WO2014208585A1 - 冷蔵庫 - Google Patents
冷蔵庫 Download PDFInfo
- Publication number
- WO2014208585A1 WO2014208585A1 PCT/JP2014/066808 JP2014066808W WO2014208585A1 WO 2014208585 A1 WO2014208585 A1 WO 2014208585A1 JP 2014066808 W JP2014066808 W JP 2014066808W WO 2014208585 A1 WO2014208585 A1 WO 2014208585A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- door
- refrigerator
- opening operation
- proximity sensor
- opening
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
- F25D27/005—Lighting arrangements combined with control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/008—Alarm devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/0006—Permanent magnet actuating reed switches
- H01H36/0013—Permanent magnet actuating reed switches characterised by the co-operation between reed switch and permanent magnet; Magnetic circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2201/00—Insulation
- F25D2201/10—Insulation with respect to heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
- F25D2323/021—French doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
- F25D2400/361—Interactive visual displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/02—Sensors detecting door opening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/04—Sensors detecting the presence of a person
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/9607—Capacitive touch switches
- H03K2217/960755—Constructional details of capacitive touch and proximity switches
Definitions
- Embodiment of this invention is related with the refrigerator provided with the touch open sensor in the front plate of the door front surface.
- the operation input unit is arranged on the front plate as a capacitive touch button, and when the user touches the part corresponding to the operation button on the front of the front plate, the operation input unit is operated due to the change in capacitance. The input is sensed and a corresponding operation signal is transmitted to the refrigerator control unit.
- a door opening device that automatically opens the door by sensing a user's touch operation on a specific location on the front plate.
- JP2009-257627A JP 2009-257627 A
- JP 4347234 B JP 2012-17865
- JP 2012-17866 A JP 2012-017866 A
- the present invention has been made in view of the above-described problems of the prior art, and provides a refrigerator that does not malfunction when the user touches the place for a long time without intention of opening the door or when an object touches for a long time.
- the purpose is to provide.
- the refrigerator of the embodiment includes a refrigerator main body having an open front surface, a heat insulating door attached to the front opening of the refrigerator main body, and a door opening device that is attached to the refrigerator main body and forcibly opens the door. Prepare.
- the refrigerator includes a refrigerator main body having an open front surface, a heat insulating door attached to the front opening of the refrigerator main body, and a door opening device that is attached to the refrigerator main body and forcibly opens the door.
- a control operation unit provided on the door for changing the cooling control content of the refrigerator, a door opening operation unit provided on the door for operating the door opening operation of the door opening device, and control
- a control unit that inputs operation signals from the operation unit and the door opening operation unit and performs the corresponding cooling control and door opening control is provided.
- the part that gives the opening operation input to the opening operation part is a part of the front plate of the door, and is continuous with the front plate.
- the operation method for the control operation unit and the operation for the opening operation unit are different from each other.
- FIG. 1 is a front view of the refrigerator according to the first embodiment.
- FIG. 2 is a perspective view of the refrigerator opened according to the first embodiment.
- FIG. 3 is an enlarged perspective view of a refrigerator compartment portion of the refrigerator according to the first embodiment.
- FIG. 4 is a block diagram of door opening control in the refrigerator according to the first embodiment.
- FIG. 5 is a flowchart of door opening control in the refrigerator of the first embodiment.
- Drawing 6 is an explanatory view of attachment operation of the opening operation part in the refrigerator of a 1st embodiment.
- FIG. 7 is a cross-sectional view illustrating an attachment state of the opening operation unit in the refrigerator according to the first embodiment.
- FIG. 8 is a front view showing a door opening operation part and a door opening operation display part in the refrigerator of the seventh embodiment.
- FIG. 9 is a front view showing a door opening operation part and a door opening operation display part in the refrigerator of the eighth embodiment.
- 10 (a) -10 (e) are explanatory views showing an installation example of the door opening operation unit in the refrigerator of the ninth embodiment.
- FIG. 11 is an explanatory diagram illustrating an arrangement example of the touch detection electrodes of the opening operation unit in the refrigerator according to the tenth embodiment.
- FIG. 12 is an explanatory diagram illustrating an arrangement example of the touch detection electrodes of the opening operation unit in the refrigerator according to the eleventh embodiment.
- FIG. 13 is an explanatory diagram illustrating another arrangement example of the touch detection electrodes of the opening operation unit in the refrigerator according to the eleventh embodiment.
- FIG. 14 is a front view which shows the door opening operation part and door opening operation display part in the refrigerator of 12th Embodiment.
- FIG. 15 is a diagram illustrating a refrigerator according to a fifteenth embodiment.
- FIG. 16 is a diagram illustrating the refrigerator according to the seventeenth embodiment.
- FIG. 17 is a diagram illustrating a refrigerator according to an eighteenth embodiment.
- FIG. 18 is a diagram illustrating the refrigerator according to the sixteenth embodiment.
- FIG. 19 is a diagram illustrating the refrigerator according to the fifteenth embodiment.
- FIG. 20 is a diagram illustrating the refrigerator according to the twentieth embodiment.
- FIG. 21 is a diagram illustrating the refrigerator according to the nineteenth embodiment.
- FIG. 22 is a diagram illustrating a refrigerator according to a twenty-second embodiment.
- FIG. 23 is a diagram illustrating a refrigerator according to a twenty-fourth embodiment.
- FIG. 24 is a diagram illustrating the refrigerator according to the sixteenth embodiment.
- 25 (a) and 25 (b) are views showing a refrigerator according to a twenty-fifth embodiment.
- FIG. 26 is a diagram illustrating a refrigerator according to a twenty-sixth embodiment.
- FIG. 27 is a diagram illustrating a refrigerator according to another embodiment.
- FIG. 28 is a diagram illustrating a refrigerator according to another embodiment.
- FIG. 29 is a diagram illustrating a refrigerator according to a twenty-seventh embodiment.
- FIG. 30 is a perspective view of the refrigerator in the twenty-seventh embodiment when the door is open.
- FIG. 31 is an enlarged perspective view of the refrigerator compartment portion of the refrigerator of the twenty-seventh embodiment.
- FIG. 32 is a block diagram of door opening control in the refrigerator of the twenty-seventh embodiment.
- FIG. 33 is a flowchart illustrating a state in which the left door and the right door of the cold storage room according to the twenty-seventh embodiment are automatically opened instead of manually by a user.
- FIG. 34 is a diagram showing a schematic cross section of, for example, the right door of the refrigerator of the twenty-seventh embodiment.
- FIG. 35 is a block diagram of door opening control in the refrigerator of the twenty-seventh embodiment.
- FIG. 36 is a flowchart illustrating an operation example of the opening operation unit having the function of the proximity sensor according to the twenty-seventh embodiment.
- FIG. 37 is a front view of the refrigerator of the twenty-eighth embodiment.
- FIG. 38 is a perspective view of the refrigerator opened in the twenty-eighth embodiment.
- FIG. 39 is an enlarged perspective view of the refrigerator compartment portion of the refrigerator of the twenty-eighth embodiment.
- FIG. 40 is a block diagram of door opening control in the refrigerator of the twenty-eighth embodiment.
- FIGS. 41 (a) to 41 (d) are diagrams showing an example in which the door opening operation section shown in FIGS. 37 to 39 functions as a human body detecting means for detecting the human body of the user of the refrigerator.
- FIG. 42 is a front view showing the refrigerator of the twenty-ninth embodiment.
- FIG. 43 is a block diagram of door opening control including the human body detection means of the refrigerator shown in FIG. FIG.
- FIG. 44 is a cross-sectional view along the front-rear direction showing the upper part of the refrigerator of the twenty-ninth embodiment.
- FIG. 45 is a cross-sectional view along the front-rear direction showing the upper part of the refrigerator of the first modified example of the 29th embodiment.
- FIG. 46 is a cross-sectional view along the front-rear direction showing the upper part of the refrigerator of the second modified example of the 29th embodiment.
- FIG. 47 is a cross-sectional view along the front-rear direction showing the upper part of the refrigerator of the third modification of the 29th embodiment.
- FIG. 48 is a front view of the refrigerator 1 showing the thirtieth embodiment.
- FIG. 49 is a plan view of the refrigerator shown in FIG.
- FIG. 50 is a side view of the refrigerator shown in FIG.
- FIG. 51A and 51B show structural examples of the substrate of the opening operation unit.
- 52 is a diagram showing a proximity sensor and a guard electrode arranged on the substrate of the opening operation unit shown in FIG.
- FIG. 53 is an exploded perspective view showing a structural example of the door opening operation portion.
- FIG. 54 is a block diagram showing electrical connections of a control unit, a door opening operation unit, and a door opening drive unit that is a door opening device.
- 55 (a) -55 (c) are diagrams showing examples of substrate storage structures in the left door and the right door.
- FIG. 56 is a front view of the refrigerator 1 showing the thirty-first embodiment.
- 57 shows a structural example in the vicinity of the opening operation portion 651 including the proximity sensor 607 in the left door 21 shown in FIG.
- FIG. 56 (or in the vicinity of the opening operation portion 652 including the proximity sensor 608 in the right door 22). It is sectional drawing in the V1 line. 58 is a cross-sectional view taken along line V2-V2 of control operation unit 650 shown in FIG.
- FIG. 59 is a block diagram showing electrical connections of a control unit, a control operation unit, a door opening operation unit, and a door opening drive unit that is a door opening device.
- 60 (a) -60 (d) shows the case where the left door proximity sensor shown in FIG. 56 detects the approach of the user's finger and the finger touches the electrode of the touch button of the opening operation unit. It is a figure which shows the example of a mode that a control operation part and a door opening operation part turn on.
- FIG. 61 is a front view of the refrigerator showing the thirty-second embodiment.
- FIG. 62 is a plan view of the refrigerator shown in FIG.
- FIG. 63 is a side view of the refrigerator shown in FIG.
- FIGS. 64A and 64B show structural examples of the substrate of the opening operation portion shown in FIG.
- FIG. 65 is a diagram showing a proximity sensor and a guard electrode arranged on the substrate of the opening operation unit shown in FIG.
- FIG. 66 is an exploded perspective view showing a structural example of the door opening operation portion.
- FIG. 67 is a block diagram showing electrical connections of a control unit, a door opening operation unit, and a door opening drive unit that is a door opening device.
- FIG. 68 (a) -68 (c) are diagrams showing examples of substrate storage structures in the left door and the right door.
- FIG. 69 is a front view of the refrigerator 1 showing the thirty-third embodiment.
- FIG. 70 is a cross-sectional view showing a structural example of the operation detection unit along the ZR-ZR line shown in FIG.
- FIG. 71 is a block diagram illustrating electrical connections of a control unit, an operation detection unit, and an opening drive unit that is a door opening device.
- 72 (a) and 72 (b) show an example in which the user performs an approach operation in a specific order predetermined with respect to the proximity sensor by an operation (gesture) of the palm, the side of the hand, or the elbow.
- FIGS. 73 (a) -73 (d) are diagrams showing an example in which the proximity operation is performed on the proximity sensor in another predetermined specific order.
- 74 (a) -74 (d) are diagrams showing another embodiment.
- FIG. 75 is a circuit diagram showing the principle that the proximity sensor detects a finger touch.
- FIG. 76 is a diagram showing a basic structure of a proximity sensor.
- FIG. 77 is a diagram for explaining switching between the proximity mode and the electrostatic touch mode in the proximity sensor.
- 78 (a) and 78 (b) are diagrams for explaining the change of the proximity range in the proximity sensor.
- the refrigerator 1 of the first embodiment includes a cabinet 11 that is a refrigerator body.
- the cabinet 11 is comprised from the upper stage from the refrigerator compartment 12, the vegetable compartment 13, the switch room 14 which can switch the set temperature in a store
- An ice making chamber 16 is provided on the left side of the switching chamber 14.
- a pair of left and right left doors 21 and 22 are opened and closed in a double-opening manner at the left end and the top and bottom of the right end by hinges. It is attached to do.
- the vegetable room 13, the switching room 14, the freezing room 15, and the ice making room 16 are provided with drawer-type doors 23, 24, 25, and 26, respectively.
- a refrigeration evaporator (not shown) for cooling the refrigerator compartment 12 and the vegetable compartment 13 is arranged on the back of the vegetable compartment 13.
- a refrigeration evaporator (not shown) for cooling the switching chamber 14, the freezing chamber 15, and the ice making chamber 16 is disposed on the back surface of the switching chamber 14 and the freezing chamber 15.
- a control unit 56 comprising a microcomputer for controlling the refrigerator 1 is also arranged.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- a foamed polyurethane heat insulating material hereinafter also simply referred to as a urethane heat insulating material
- a pre-molded solid heat insulating material for example, EPC
- the degree of coloring of the front plates 21A and 22A is such that a filler such as a heat insulating material on the back side of the front plates 21A and 22A cannot be seen from the outside in a state of receiving external light. Moreover, light is transmitted from the front side in the lighting state of the LED display lamp for transparently displaying the operation button name, the cooling function name, the cooling intensity, etc., which will be described later, and the 7-segment LED display device for transparently displaying the numerical value changing such as the temperature value. It is also the darkness that can be seen. In addition, it is not limited to 7 segment LED, LCD and EL may be sufficient.
- a rotating partition 31 is provided for maintaining the sealed state.
- a condensation prevention heater for preventing condensation is built in the rotary partition 31.
- the control operation unit 50 includes an infrared light receiving unit for detecting an environmental condition around the refrigerator, a home button, an LED that detects touch of the home button and transparently displays an operation button name, a cooling function name, a cooling intensity, and the like.
- An indicator lamp, a 7-segment LED display device that transparently displays numerical values that change, such as a temperature value, and the like are provided.
- door opening operation portions 51 and 52 that are elongated in the horizontal direction are installed. And on the surface of front plate 21A, 22A, it is a door opening operation part, and the door opening operation display parts 51A and 52A which show a door opening operation direction are provided.
- the door opening operation display portion 51A of the left door 21 is provided with a left-pointing arrow mark for recognizing that the door is opened by sliding while keeping a finger touched in the left direction.
- the door opening operation display section 52A of the right door 22 is provided with a right-pointing arrow mark for recognizing that the door opening operation is performed by sliding the finger in the right direction while touching it.
- the door opening drive units 54 and 55 are respectively installed at positions corresponding to the open side end portions of the upper sides of the left door 21 and the right door 22 respectively in the left and right positions near the front end of the top surface of the top plate of the cabinet 11. is there. These door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets to push the upper sides near the open side end portions of the left door 21 and the right door 22 forward to automatically open the doors. be able to. As will be described in detail later, in order to open the left door 21, if the finger is slid in the left direction while touching the arrow mark near the right end or the right end of the left door opening operation display portion 51A, the door is opened.
- the operation unit 51 senses the continuous touch and sends a touch detection signal to the control unit 56. If the control unit 56 determines that it is a door opening operation command, the door drive driving unit 54 of the left door 21 is operated. The left door 21 is automatically opened. On the other hand, in order to open the right door 22, if the finger is slid in the right direction while touching the arrow mark near the left end or the left end of the right door opening operation display portion 52A, the door opening operation portion 52 is continuously connected. A touch detection signal is sent to the control unit 56, and if the control unit 56 determines that it is a door opening operation command, the door opening drive unit 55 of the right door 22 is operated to automatically open the right door 22. Door.
- the cooling control performed by the control unit 56 in the refrigerator of the first embodiment is general and is not particularly limited.
- the compressor, the operation panel, the dew condensation prevention heater, and the ice making in the ice making chamber are made.
- An apparatus, a refrigerator compartment fan, a freezer compartment fan, and a defrost heater are connected to this control part 56, and are controlled.
- the arrow mark in the opening operation display portions 51A and 52A is not limited to this display, and it can be easily recognized that the door opening operation can be realized by touching and sliding it to the right or left. As long as there is a mark, the shape and form of the mark are not limited.
- the left door 21 and the right door 22 are operated by inserting a finger with the palm facing upward at the lower end surface portion below the opening operation display portions 51A and 52A and pulling the finger toward the front.
- Handles 61 and 62 are installed so that each can be manually opened manually.
- the opening operation sections 51 and 52 are opposed to the arrow marks arranged in the left and right lateral directions of the opening operation display sections 51A and 52A with the front plates 21A and 22A interposed therebetween.
- capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 are arranged in a row. These capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 each detect a change in capacitance due to a user's touch and transmit a touch detection signal to the control unit 56. It is set.
- the control unit 56 determines whether or not the door opening operation is based on the logic of the flowchart of FIG. 5, and outputs a door opening drive signal to the door opening driving unit 55 of the right door if it is determined that the door opening operation is normal. Then, the right door 22 is automatically opened.
- the logic of the door opening decision here is as follows. If at least three of the five sensors on the left and right are touch-detected within a predetermined time (for example, 0.5 seconds or 1 second) and in the order of arrangement, the corresponding door is determined to be an opening operation. Is to automatically open the door.
- a predetermined time for example, 0.5 seconds or 1 second
- the opening operation of the right door 22 will be described.
- step S1 When any one of the arrow marks on the opening operation display portion 52A of the right door 22 is touched, the corresponding capacitive touch sensor on the door opening operation portion 52 side (usually the arrow mark near the left end or the left end). Since it is touched, the leftmost sensor 52-1 here detects the touch and transmits a touch detection signal to the control unit 56.
- the control unit 56 receives this signal and starts the determination process of the door opening operation (step S0). First, a timer count is started (step S1).
- the control unit 56 receives those signals.
- the touched sensors are three consecutive in the right direction, and it is determined that the opening operation direction of the right door 22 from the left to the right is a forward sliding operation. That is, NO is determined in step S2, YES is determined in step S3, YES is determined in step S4, and YES is determined in step S5.
- the control unit 56 determines that the operation is a normal opening operation for the right door 22, outputs a door opening drive command to the door opening driving unit 55 for the right door, and operates the door opening driving unit 54.
- the right door 22 is automatically opened (step S6).
- step S2 If it is not possible to determine that has been touched in the forward direction, the determination process of this door opening operation is temporarily stopped and the next touch detection is awaited (NO in step S2 and jump to step S7). To stop the decision process). Further, even if the sliding operation is performed from the right end side to the left in the opening operation display section 52A, the right door is not opened (NO in step S5, jump to step S7, and stop the determination process).
- the determination process for the opening operation of the left door 21 is the same. However, in the case of the left door 21, the direction is opposite to that of the right door 22, and it is determined that the operation is the door opening operation when the arrow mark near the right end or the right end in the door opening operation display portion 51 ⁇ / b> A is touched and slid leftward. Will do. Therefore, the left door is not opened even if a slide operation is performed to the right from the left end or an arrow mark near the left end.
- the control unit 56 determines the door opening operation and drives the door opening driving units 54 and 55.
- the door opening operation unit 51 A microcomputer is mounted on the 52 side, and the capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 detect the change in the electrostatic capacitance caused by the user's touch and send the touch detection signal to the micro-computer.
- the control signal can be transmitted to the control unit 56, and when the control unit 56 receives the door opening command, the door driving unit 54 or the door driving unit 55 can be driven to open.
- the opening operation section 52 has a structure in which capacitive touch sensors 52-1 to 52-5 are arranged in a line in the longitudinal direction L on an elongated substrate 52 P having a short W direction and a long L direction. is there. And this door operation part 52 is installed inside the lower end of the right door 22 in the attitude
- an operation portion installation space 64 that opens downward is formed.
- the operation portion installation space 64 is slightly wider in the left-right lateral direction than the length in the longitudinal direction L of the door opening operation portion 52, and the door opening operation portion 52 is in a state where the longitudinal direction L is in the horizontal direction. It can be slid and inserted upward from the lower surface opening. Then, the door opening operation part 52 is inserted upward into the operation part installation space 64 from its lower surface opening with the longitudinal direction L aligned in the horizontal direction, and is slid until the upper end of the operation part installation space 64 is reached. To do.
- the door opening operation unit 52 is temporarily fixed with a tape or the like in a state where the door opening operation unit 52 is in close contact with the back surface of the front plate 22A. Thereafter, the opening operation part 52 is fixed in the operation part installation space 64 by injecting liquid urethane as a heat insulating material 22B into the internal cavity of the right door 22 to foam and solidify.
- the door opening operation unit 51 for the left door 21 is attached in the same procedure.
- the door opening operation parts 51 and 52 are particularly installed and fixed in the operation part installation space 64 in a posture that is long in the horizontal direction T and short in the vertical direction W. Even if the right capacitive touch sensor 52-5 is in close contact with the back surface of the front plate 22A, the left capacitive touch sensor 52-1 remains on the front plate 22A. Even if the left capacitive touch sensor 52-1 is in close contact with the back surface of the front plate 22A, the right capacitive touch sensor 52- 5 can be prevented from being fixed in a floating state without being in close contact with the back surface of the front plate 22A, and all the capacitive touch sensors 52 arranged side by side as shown in FIG. -1 to 52-5 are the back of the front plate 22A It can be securely fixed equally close contact state.
- the simplest door structure of a refrigerator is a single left-open or right-open door in front of the refrigerator compartment.
- a conductive front plate can be attached, and a control operation unit for performing an operation of changing the cooling control content of the refrigerator and a door opening operation unit for operating a door opening operation of the door opening device can be provided.
- the configuration of the right door 22 shown in FIGS. 1 to 3 can be made to be provided in a single door (second embodiment).
- control operation unit 50 and the door opening operation units 51 and 52 are not limited to capacitive touch sensors, and the user does not create irregularities on the surface side of the front plates 21A and 22A such as pressure-sensitive sensors and infrared sensors. There is no limitation as long as the corresponding operation can be performed in response to the operation (third embodiment).
- control operation unit 50 and the door opening operation units 51 and 52 are set to be sensitive to operation input for different operation methods.
- one operation input is accepted in response to the point touch to the corresponding part, but in the case of the door opening operation parts 51 and 52, the corresponding part is slid while being touched for a certain distance or more. Otherwise, it can be set not to be recognized as an opening operation input (fourth embodiment).
- the door opening operation units 51 and 52 can detect an operation of touching a plurality of places in a predetermined order or in a predetermined direction in place of an operation of touching and sliding with a finger (fifth embodiment). Form). Furthermore, as another modification example, the opening operation unit can be provided at the upper end instead of the lower end of the door (sixth embodiment).
- the opening operation display portions 51A-1 and 52A-1 for the opening operation portions 51 and 52 are placed on the surface of the front plates 21A and 22A.
- the left door 21 can be opened if the user touches and slides from near the left end to near the right end in the opening operation display section 51A-1 of the left door 21.
- the opening operation display section 52A-1 of the right door 22 can also be set so that the right door 22 can be opened if the user slides while touching a finger from near the left end to near the right end. In this case, as indicated by an arrow A1 in FIG.
- one direction extends from near the left end of the opening operation display portion 51A-1 of the left door 21 to near the right end of the opening operation display portion 52A-1 of the right door 22.
- the left and right doors 21 and 22 can be simultaneously opened by the operation of sliding the finger continuously (seventh embodiment).
- the opening operation display portions 51A-2 and 52A-2 for the opening operation portions 51 and 52 are provided in front of the doors 21 and 22, respectively.
- the doors 21 and 22A may be installed near the open ends, and the doors 21 and 22 can be opened by sliding operation in the direction opposite to the open side of the doors 21 and 22, respectively.
- the door opening operation display section 51A-2 is displayed to slide leftward from the right end side.
- the left end of the right door 22 is an open end, and the opening operation display section 52A-2 is displayed to slide to the right from the left end side.
- the door opening operation section 52 is installed horizontally or vertically or obliquely toward the corner, the door operation display section 52A-3 is also installed at a position corresponding to that of the front plate 22A of the door 22, and
- the door opening operation can be set (9th embodiment).
- the door opening operation unit 52 and the door opening operation display unit 52A-31 are installed in the horizontal direction at the lower end portion of the door 22 on the open end side, and the door 22 is opened in the right direction toward the open end side. Shows a setting example that can be opened by sliding operation.
- the door opening operation section 52 and the door opening operation display section 52A-31 can be similarly installed at the upper end of the door 22 on the open end side.
- the door opening operation unit 52 and the door opening operation display unit 52A-32 are installed in the vertical direction at the lower end on the open end side of the door 22, and are slid from the top to the bottom toward the lower end of the door 22.
- FIG. 10C The example of a setting which can be opened is shown.
- FIG. 10D the door opening operation unit 52 and the door opening operation display unit 52A-33 are installed in the vertical direction at the lower end of the rotary hinge end side of the door 22, and the sliding operation is performed from the top toward the bottom toward the lower end of the door 22.
- FIG. 10D the door opening operation unit 52 and the door opening operation display unit 52A-34 are installed in the vertical direction at the lower end of the rotary hinge end side of the door 22, and the sliding operation is performed from the top toward the bottom toward the lower end of the door 22.
- the example of a setting which can be opened by doing is shown.
- the opening operation unit 52 and the opening operation display unit 52A-31 are installed at the upper end of the door 22 on the rotating hinge end side, and the door is opened by sliding from the bottom to the top.
- FIG. 10 (e) shows that one of the four corners of the door 22 and an opening operation section 52 and an opening operation display section 52A-35 are installed diagonally diagonally at the lower corner of the open end side.
- a setting example is shown in which the door can be opened by sliding operation from diagonally upward to diagonally downward.
- the opening operation unit 52 and the opening operation display unit 52A-35 are installed at any of the other three corners of the door 22, and obliquely from bottom to top toward each corner. Moreover, it can also be set to be able to open the door by sliding from diagonally up to down.
- the refrigerator door is a single door or a double door with two doors, it is provided in the opening operation section 52 installed on the back surface side of the front plate 22A of the door 22.
- the capacitive touch sensors 52-1 to 52-5 can be configured such that adjacent sensors partially overlap in a direction A3 different from the slide operation direction A2. Due to the overlap structure of this sensor, there is no shortage of touch during a slide operation, and even if adjacent sensors are touched at the same time, the change in capacitance becomes larger in a sensor with a larger area, and there is an effect that simultaneous detection is not performed ( 10th Embodiment).
- the door opening operation unit is incorporated into the door (also referred to as door 22 here).
- 52 is for detecting a door opening operation by a slide operation.
- a plurality of slide detection touch sensors are arranged in an annular shape or a matrix shape on the top, bottom, left and right, and the plurality of electrodes are fixed.
- the door opening operation can be detected with respect to the sliding operation that draws the pattern (11th embodiment).
- a plurality of slide detection touch sensors 52-1 to 52-8 in the door opening operation unit 52 incorporated in the door 22 are arranged in an annular shape.
- the door is opened when three or more adjacent touch sensors are continuously touched to draw a circle. Therefore, the door opening operation can be performed by any of the slide operations indicated by the arrows A4 to A6, or by a slide operation in the opposite direction.
- a plurality of slide detection electrodes 5211 to 5244 in the opening operation unit 52 incorporated in the door 22 are arranged in a matrix form on the top, bottom, left, and right.
- each of the opening operation display portions 51A and 52A is provided with an arrow mark toward the open end in order to indicate the slide operation direction (a twelfth embodiment).
- the opening operation by the sliding operation toward the open end is usually performed by the user from the outside of the refrigerator to the center of the refrigerator to perform the opening operation, and the flow line direction and the sliding operation direction coincide with each other. It is easy to open the door.
- Human detection means for example, an infrared sensor or a camera for recognizing a person
- the control unit may perform the control to be performed. Thereby, it can prevent that a refrigerator door opens arbitrarily by water, static electricity, etc. (13th Embodiment).
- the opening operation parts 51 and 52 of the refrigerator compartment doors 21 and 22 are provided not on the rotary opening doors 21 and 22 in front of the refrigerator compartment 12 but on the drawer type doors 23 and 24 such as the vegetable compartment 13 and the switching compartment 14. It can also be provided (fourteenth embodiment).
- the electrical wiring is connected to the control unit 56 along the slide rail of the drawer type door.
- refrigerator 1 of the embodiment may be configured as described in order below.
- the control operation unit (also referred to as a control operation board) 50 is formed on a door cap that constitutes the left, right, top, and bottom sides of the door that supports the door front plate that is the vertical side surface of the right door 22. Further, it can be inserted into the storage portion 50R from the insertion port 50V and stored in the G direction.
- the opening operation part (also referred to as a touch-open switch board) 52 can be stored by being inserted in the G direction into the storage part 52R from the insertion port 52V in the vertical side surface part of the right door 22. Further, the opening operation portion (touch open switch board) 51 can be inserted and stored in the H direction into the storage portion 51R from the insertion port 51V on the side surface portion of the left door 21 in the vertical direction.
- the grips (handles) 61 and 62 are disposed on the lower surface (lower side) of the left door 21 and the lower surface (lower side) of the right door 22, respectively.
- the parts 51 and 52 are respectively arranged at the lower corner position of the left door 21 and the lower corner position of the right door 22 and are arranged on different sides of the door.
- the opening operation parts 51 and 52 and the grips 61 and 62 may be in different positions in the vertical direction.
- the right door 22 includes a front plate 22A, an inner plate 22K, and a door cap 72, which are glass plates. It is good to provide in. And it is good to provide the accommodating part 50R so that it may continue in the direction of 22 A of front plates from the door cap 72 continuously with the insertion port 50V, and it is good to insert a board
- the space between the front plate 22A, the inner plate 22K, and the door cap 72 outside the storage portion 50R is filled with a foam heat insulating material such as urethane or a vacuum heat insulating material for heat insulation.
- the inserted control operation unit 50 and the door opening operation unit 51 may be brought into close contact with the front plate 22A by elastic means that presses against the front plate 22A from the rear after the insertion.
- the operation unit 51 and the like may be directly bonded to the back surface of the front plate 22A with an adhesive or the like. Then, operation sensitivity can be improved.
- LED 51M, 52M can be used for the door opening operation display parts 51A, 52A which are the arrow marks which show the position of the door opening operation parts 51, 52. Moreover, as an arrow mark, what was directly printed on glass may be sufficient, and what was printed on the film may be provided in the back surface of glass, and you may make it look with light.
- the opening operation sections 51 and 52 for opening the left door 21 and the right door 22 shown in FIG. 15 use electrostatic switches.
- the electrostatic switch can be electrically connected to the control unit on the cabinet 11 side using electric wiring. Therefore, electrostatic switches can be used as the opening operation units 51 and 52. Since the electrostatic switch is vulnerable to moisture, it is used in a portion where the temperature difference is small.
- the door opening operation unit 71 for opening the drawer door for example, the drawer door 25 of the freezer compartment 15 and the door opening operation unit 77 for opening the drawer door 23 use a Hall IC switch. Since the drawer door has a structure that can be pulled out and removed from the cabinet 11 (the refrigerator main body), the door opening operation unit 77 and the control unit on the cabinet 11 side cannot be connected using electrical wiring. For this reason, for example, as the opening operation units 71 and 77, when a magnet is arranged on the drawer door and the drawer door is pushed, the position of the magnet is changed, and the position of the magnet is changed without touching the Hall IC switch. Can be detected.
- the control unit can open the drawer door by operating the pushing means for pushing out the drawer door by the signal indicating that the position of the magnet from the Hall IC has changed.
- FIG. 19 shows a horizontal section of the right door 22 shown in FIG.
- the right door 22 includes a front plate 22 ⁇ / b> A, an inner plate 22 ⁇ / b> K, a reinforcing plate 70, a door cap 72, and a substrate 74 of the opening operation unit 52 that are glass plates.
- a urethane member for heat insulation or a vacuum heat insulating material 73 having a thickness of 20 mm is arranged inside the right door 22 .
- the gap between the substrate 74 and the glass plate 22G is zero.
- a door cap 72 covers the end of the front plate 22A, which is a glass plate.
- the front plate 22A which is a glass plate, is tempered glass, but if the end of the glass plate is exposed, the glass plate is exposed to protect the exposed end of the glass plate.
- a C-plane cut is provided at the end.
- the door opening operation part 52 since the door is automatically opened by operating the door opening operation part 52, there is a possibility that the end of the front plate 22A may come into contact with another kitchen furniture arranged next to the refrigerator or the wall. Can prevent the end face from cracking. Moreover, you may provide the prevention means protected by covering the edge part for preventing contacting to the edge part of 22 A of front plates.
- substrate 74 of the door opening operation part 52 is arrange
- the left door 21 has the same structure.
- FIG. 24 shows a longitudinal section of the refrigerator body.
- a cool air duct through which cool air from the cooler passes is provided on the back surface, and a blowout port is provided from the duct toward the door side. Flows in the direction of the arrow.
- the cabinet 11 is provided with a meat dish 99T, and a blowout opening is provided behind the meat dish 99T.
- the opening operation part 51 is arrange
- the cold air that has passed through the meat dish 99T does not reach the opening operation portion 51 in the left door 21 by windproof means such as a front wall that constitutes the front surface of the meat dish. Accordingly, the cool air does not reach the opening operation portion 51 (52) in the left door 21, and therefore, no dew condensation phenomenon due to the cooling of the opening operation portion 51 (52) occurs.
- the meat dish 99T can be used as a chilled room, has a door and a drawer container, and can be pulled out forward.
- the chilled chamber may be constituted by a sealed space that can be sealed with a reinforced storage case capable of storing a drawer container and a door, and the space inside the sealed storage space is decompressed by a vacuum pump that is a decompressing means. It is good also as a structure. By doing so, it is possible to prevent the cold air from the cold air outlet provided in the back of the storage case in the meat dish 99T from directly reaching the door, and the cold temperature zone of the outlet is reduced in the sealed space. It can insulate with a heat insulation layer, and can prevent heat transfer.
- the storage case so as to cover the outlet.
- the cool air from the air outlet provided on the back surface of the hermetic housing portion may be controlled by a damper that is an air volume adjusting means, and the temperature is lowered by a temperature sensor that measures the temperature in the cabinet in order to prevent condensation. It may be controlled so that the door is closed and the damper is closed to make it difficult for cold air to hit the door.
- a vacuum heat insulating material disposed inside the door is disposed behind the substrate provided with the door opening operation unit 52, and is disposed between the substrate and the air outlet disposed behind the meat dish 99T. It is preferable to insulate the substrate so as not to cause condensation.
- this substrate is housed in a resin housing portion having an air layer formed inside the door, and in this case, it is particularly easy to condense, but it is equipped with a vacuum heat insulating material to insulate the cold in the cabinet. Therefore, it is possible to prevent dew condensation and prevent the door from being opened unexpectedly. Further, by disposing a metal member having excellent heat transfer around the storage unit, heat from outside air may be transmitted to the storage unit and heated to prevent condensation.
- a vertical partition that is arranged between the right door and the left door and opens and closes in conjunction with the opening and closing operation of one of the doors may be provided, and a heat source may be stored inside the vertical partition. And by arrange
- the heat source extends in the vertical direction together with the vertical partition, and the amount of heat transfer may be increased by increasing the heater density at the position of the substrate or the storage unit.
- the heater density is such that the heater wires are doubled or bent, or a metal with good thermal conductivity (for example, aluminum) is extended from the heater to the substrate side so that heat is transferred to the substrate side in the vertical partition. You may arrange in.
- control operation unit 50 and the door opening operation unit 51 can be arranged on one substrate 99 in the left door 21.
- the detection unit and the detection signal processing unit of the door opening operation unit 51 (52) can be configured by a single substrate 99.
- the detection unit and the detection signal processing unit are stored together in the storage unit 50R.
- the microcomputer MC is preferably arranged on the same substrate.
- the control operation unit 50 and the door opening operation unit 52 can be arranged on different substrates in the right door 22.
- the control operation unit 50 and the microcomputer MC can be arranged on one substrate 99A, and the door opening operation unit 52 can be arranged on another substrate 99B.
- MC which may generate noise is made into another board, and the malfunction which the door opening operation part 52 detects incorrectly and a door opens arbitrarily can be prevented.
- the storage unit 50R has different storage units in which the substrate 99A and the substrate 99B are stored separately, the electrical signal line of the substrate 99B is stored in another storage unit (for example, the substrate 99A is stored). What is necessary is just to connect with the control means (MC) of a storage part.
- connection connector extends from the storage portion in another location to the storage portion of the board 99B in advance and the board 99B is stored in the storage section, the connection line of the board 99B and the connection connector are connected to each other. It is easy to manufacture the assembly.
- microcomputer MC may be arranged on the same substrate 99B or another substrate 99C arranged at a different position.
- the substrate 99 may be vertically long or horizontally long.
- control operation unit 50 and the door opening operation units 51 and 52 are not connected directly by lead wires. That is, the control operation unit 50 and the opening operation units 51 and 52 are connected to each other via the power supply board of the control unit 56 using separate electric wirings LA and LB. The reason for this is to reliably prevent the noise generated from the control operation unit 50 from inadvertently causing the opening operation of the door opening operation units 51 and 52.
- the handles (handles) of the drawer doors 23, 24, 25, 26 can be arranged on the left or right side of the drawer doors 23, 24, 25, 26.
- the handle (handle) is not disposed on the front surface portion of the drawer door.
- an opening operation portion 77 of the drawer door 23 and an opening operation portion 71 of the drawer door 25 are disposed on the front surface portion. Only. Thereby, since there is no handle (handle) in the front part of a drawer door, appearance improves.
- the arrangement positions of the control operation unit 50 and the door opening operation unit 52 are different with respect to the left and right lateral directions. That is, the control operation unit 50 is located near the right side surface of the right door 22, and the door opening operation unit 52 is located near the right side surface of the right door 22. Thereby, since the control operation unit 50 is not arranged on the upper side of the door opening operation unit 52, for example, even if water is dripped from the control operation unit 50 by touching the user with a wet hand, This water is not applied to the lower opening operation portion 52.
- the distance Wb between the storage unit of the control operation unit 50 and the storage unit of the door opening operation unit 52 is smaller than the distance Wa between the control operation unit 50 and the door opening operation unit 52, and the distance Wb is the minimum. This is the distance that must be separated.
- the storage unit for storing the substrate of the opening operation unit 52 may be arranged so as to be shifted in the vertical direction and overlapped in the horizontal direction.
- the control operation part 50 you may arrange
- the electrodes of the opening operation units 51 and 52 may have different detection sensitivities when operated by the user, compared to the electrodes of the control operation unit 50.
- the operation sensitivity of the opening operation units 51 and 52 can be improved by increasing the detection sensitivity of the electrodes of the opening operation units 51 and 52 as compared with the electrodes of the control operation unit 50.
- the electrodes of the opening operation units 51 and 52 may have different capacities of the electrodes of the control operation unit 50, or may be made different by changing the area of the electrodes.
- the opening operation units 51 and 52 may have a single electrode instead of a plurality of electrodes.
- control operation part 50 for example, the length of 0.5 second is different.
- the push operation is performed, and the door opening operation units 51 and 52 detect the operation by performing a long press operation for 1 second, for example.
- the switches of the opening operation units 51 and 52 are valid and can be operated during that time (they may be invalid and cannot be operated). While all the LEDs of the control operation unit 50 are turned off, the LEDs of the door opening operation units 51 and 52 are ON and light up.
- the door opening operation units 51 and 52 are unexpectedly moved when the control operation unit 50 is pressed with a finger. This has the effect of preventing the door from being opened unexpectedly by hitting the elbow.
- the LED of the control switch when the LED of the control switch is turned on and the LED of the door opening operation units 51 and 52 is turned off, for example, if the child lights the control operation unit 50 and the door opening operation units 51 and 52 simultaneously, Driven by the urge to push, the door may be opened, but this can be solved.
- the switches SA and SB having different shapes of the control operation unit 50 can be turned on by the same operation method with the same operation sensitivity for a predetermined time.
- a switch SA and a switch SB of the same operation method are provided on one surface of the substrate.
- the door opening operation portions 51 and 52 may have the same operation method as that of the switch SA, and this configuration can be adopted in each embodiment.
- the bundle of electric wiring LA of the control operation unit 50 and the bundle of electric wiring LB of the door opening operation units 51 and 52 and the heater wire are not put together. That is, it is good to arrange
- the front plate 22 ⁇ / b> A that is the glass plate of the right door 22 shown in FIG. 19 is tempered glass, but a reinforcing plate 70 may be added and a scattering prevention film may be disposed.
- a door cap 72 is disposed so as to cover the end portion of the front plate 22A.
- the C surface which is a cut surface at the end portion of the glass plate 22G.
- a cut or an R surface may be formed.
- the front plate 22A which is a glass plate, is tempered glass, but if the end of the glass plate 22G is exposed, a C-plane cut is applied to the glass plate 22G in order to protect the end of the glass plate 22G.
- a vacuum heat insulating material 73 is arranged, and the heat insulating thickness of the vacuum heat insulating material 78 is 20 mm or more, and is arranged by vertical partitions. Is not attached.
- a heater (not shown) is disposed in the vicinity of the opening operation portions 51 and 52, and a vacuum heat insulating material 78 is disposed behind the opening operation portions 51 and 52.
- the switches SA and SB of the control operation unit 50 as shown in FIG. 17 have a function of adjusting operation sensitivity, and have setting means for changing sensitivity and predetermined time. Thereby, it can set so that the operation sensitivity at the time of operating switch SA, SB or 51A, 51B by using a setting means may differ.
- FIG. 20 is a plan view showing, for example, the drawer doors 23 and 25 shown in FIG.
- the drawer doors 23 and 25 shown in FIG. 15 have door opening operation portions 77 and 71, respectively. If the substrate 82 of the opening operation portions 77 and 71 is configured to be inserted and stored in the storage portion 81 downward from the upper surface portion of the drawer doors 23 and 25, a gap is generated in the front portions of the drawer doors 23 and 25. It is clean because it is not present, and the glass surface of the front part of the drawer doors 23, 25 is attractive.
- the door opening operation portions 77 and 71 shown in FIG. 20 have a substrate 82, a battery 83, and elastic means 84 for pressing the substrate 82 against the inner surface of the front surface portion. To supply power. Then, compared with the case where the following electrical wiring is guided to the door along the metal rail, it is possible to prevent noise from entering the door opening operation portions 77 and 71 and opening the door without permission.
- the electric wiring is guided to the door along the metal rail, and is drawn out to the maximum according to the opening / closing operation of the door. It is preferable that the wiring length corresponding to the time distance is movable and deformable.
- noise since noise may be placed on the electrical wiring along the metal rail that guides the drawer door, the door opening operation units 77 and 71 are entered, or the door opening operation units 77 and 71 direct the opening operation. It is preferable to provide a noise filter which is a noise removing means for removing noise entering the microcomputer.
- a noise filter which is a noise removing means for removing noise entering the microcomputer.
- an insulating means (noise removing means) may be provided around the electrical wiring arranged along the metal rail, and noise may be removed by not directly contacting the metal (a twenty-first embodiment).
- the drawer door 25 is a portion other than the glass front portion of the drawer door 25 and is a door cap made of a different material.
- a push button 95 is provided (for example, made of resin). By pushing the resin push button 95, the drawer door 25 can be opened.
- FIG. 22 is a horizontal sectional view showing the drawer door 23 (24, 25, 26) and the refrigerator cabinet 11, and a pressing member 120 is provided between the drawer door 23 (24, 25, 26) and the refrigerator cabinet 11. Is arranged.
- the pressing member 120 sets a gap DH between the drawer door 23 (24, 25, 26) and the refrigerator cabinet 11.
- the user pushes the drawer door 23 (24, 25, 26) against the force of the pressing member 120 in the pressing direction indicated by the arrow, so that the transmitter 131 of the non-contact distance sensor 130 becomes the receiver 132. Get closer.
- the distance sensor 130 detects the distance, and when the detected distance becomes smaller than the predetermined distance, the door opening operation unit 77 (71) instructs the control unit to pull out by the pushing means.
- the door can be opened.
- the opening operation units 102, 102, 103, and 104 for opening the drawer doors 23, 24, 25, and 26 may be disposed on the left door 22, for example.
- the opening operation sections 102, 102, 103, 104 are designed according to the arrangement shape of the drawer doors 23, 24, 25, 26. Thereby, the user can easily grasp visually and can easily open the necessary drawer door without changing the posture.
- the left door 21, the right door 22, and the drawer doors 23, 24, 25, and 26 can be formed in an all-flat manner so that no handle (handle) is provided on the front portions thereof.
- the gaps X and Y between the drawer doors 23, 24, 25 and 26 are such that the gap X> the gap Y. That is, the clearance Y between the drawer door 23 having the opening operation portion 77 and the drawer door 25 having the opening operation portion 71 is set smaller than the clearance X between the drawer doors 24 and 26 without the opening operation portion. Yes. In other words, the gap X between the drawer doors 24 and 26 having the handle 140 and no opening operation section is used to insert the hand, and the drawer door 23 having the opening operation section 77 and the drawer operation section 71 are provided. It is larger than the gap Y of the door 25.
- the drawer door 23 having the door opening operation portion 77 and the drawer door 25 having the door opening operation portion 71 may be provided with handles on the left and right side portions of the drawer door.
- the handle can be formed by providing a recess in the cap that supports the glass plate.
- the non-contact distance sensor 130 is used as means for detecting the displacement amount of the door shown in FIG. 22 in order to open and close the drawer door having the glass plate, if the drawer door having the glass plate is slightly pushed in the direction of the arrow, The drawer door can be opened.
- control operation unit 50 can be disposed on one or both of the left door 22 and the right door 22.
- a cap 150 which is a door frame and is a decorative portion, is disposed on the upper part of the glass plates (front plates 22A and 22A) of the left door 22 and the right door 22.
- the cap 150 has a protrusion 151 that protrudes outward (upward), and the protrusion 151 abuts against a pressing member 162 of the pushing means 160.
- the protrusion 151 is provided at a position away from the front plates 21A and 22A, which are glass plates.
- Reinforcing ribs 162, 163, 164, and 165 are formed inside the cap 150.
- Glass plates front plates 21A and 22A
- a U-shaped reinforcing plate 169 is fixed.
- An inner plate 170 is disposed on the reinforcing rib 165. Urethane is embedded between the front plate 21A (22A), which is a glass plate, and the inner plate 170 for reinforcement.
- FIG. 25A shows a plane of the drawer door 25 of the refrigerator, for example, and there are building walls 200 on both sides of the drawer door 25.
- Concave handles 201 are provided on the left and right side surface portions 25 ⁇ / b> S of the drawer door 25.
- the left and right side surfaces of the drawer door 25 are provided with concave handles 202, but the left and right side surfaces are inclined surfaces 25G that are inclined forward.
- the handle 202 may be shaped so as to be easily gripped as shown on the right side of the drawing.
- FIG. 26 shows an example of the drawer doors 210, 220, and 230, and a concave handle 240 is provided on the upper surface portion of the drawer door 220.
- the drawer door 230 is provided with an opening operation portion 77 on the front surface thereof. Since the drawer door 230 is provided with the opening operation portion 77 on the front surface thereof, the front surface of the front surface portion can be a glass surface.
- the gap C between the drawer door 230 and the drawer door 220 can be made smaller than the gap B between the drawer door 210 and the drawer door 220, and the appearance is improved.
- the door 22 may be opened.
- the left door 21 or the right door 22 may be opened when a predetermined time elapses after the user touches the opening operation unit 51 or the opening operation unit 52 with a finger.
- the control unit controls to open the door at a timing different from the time when the user presses the door opening operation unit 51, and is released when the user presses the door opening operation unit 51.
- the opening of the door may be instructed by detecting the time, or the opening of the door may be instructed after a predetermined time has elapsed from when the opening operation unit 51 is pressed. Moreover, you may make it instruct
- control unit performs control to open the door after the touch sensor detects a touch operation and then becomes non-detected when performing the door opening control.
- the door opening control may be performed after a predetermined time has elapsed since the touch operation was detected (for example, within 1 second and preferably 0.3 seconds).
- the left door 21 or the right door 22 is opened more quickly than when the user opens the opening operation unit 51 or the opening operation unit 52. It is possible to suppress the hand touching the door operation unit 52 from hitting the left door 21 or the right door 22 that is opened.
- the hand touching the door opening operation unit 51 or the door opening operation unit 52 opens the left door 21 or Although it hits the right door 22, as described above, when a predetermined time elapses after the user touches the finger to the door opening operation section 51 or the door opening operation section 52, the left door 21 or the right door By opening 22, the touched hand can be prevented from hitting the opened left door 21 or right door 22.
- door structure described above may be configured in detail as follows.
- FIG. 27 is a schematic diagram of an exploded perspective view showing only one door of the double door of the refrigerator compartment 12 of the refrigerator 1 shown in FIG.
- the structure of 25 is basically the same as the door shown in FIG. 27, and the structure example will be described as the door 103b.
- the door 103b of the refrigerator compartment 12 shown in FIG. 27 has the glass plate 121 of the outer surface provided so that the front surface of the said door 103b might be covered entirely.
- the side on which the glass plate 121 is provided is the front side of the door 103 b, and the rear side opposite to the glass plate 121 is the rear side of the door 103 b facing the inside of the refrigerator compartment 12.
- An upper door cap 134, a lower door cap 133, a left door cap 135, and a right door cap 137 are provided on the upper, lower, left and right outer peripheral portions of the glass plate 121, respectively. These four upper, lower, left and right door caps hold and fix the upper, lower, left and right side surfaces of the glass plate 121 from the upper, lower, left and right sides.
- the upper door cap 134, the lower door cap 133, the left door cap 135, and the right door cap 137 are fixed to the four side portions of the glass plate 121 and decorated on the four side portions of the glass plate 121. Function as.
- the door 103b is assembled as a whole and integrally by attaching a door inner structure 125 constituting the inner plate of the door to the door cap.
- a gasket 127 which is a rectangular sealing means for sealing the door and the cabinet is provided inside the door inner structure 125 and toward the inside of the refrigerator compartment 12.
- the space between the glass plate 121, the door cap, and the door inner structure 125 is filled with a foam heat insulating material made of urethane foam or the like to improve the heat insulating performance, and the foam heat insulating material is bonded to the inner surface of the glass plate 121. Then, the glass plate 121 is fixed and fixed so that the glass plate 121 does not come off or warp.
- a coating material is applied to the glass plate 121, and a scattering prevention sheet for preventing the glass from being broken and scattered is provided on the back side of the glass plate 121, and a protection member for preventing the scattering prevention sheet and urethane from contacting each other may be provided.
- FIG. 28 shows a door (doors 21, 22, etc.) having capacitance type switches (corresponding to switches SA, SB, 51A, 52A, etc.) constituting the control operation unit 50 and the door opening operation units 51, 52 described above.
- FIG. 28 shows a door (doors 21, 22, etc.) having capacitance type switches (corresponding to switches SA, SB, 51A, 52A, etc.) constituting the control operation unit 50 and the door opening operation units 51, 52 described above.
- the left door cap 135 shown in FIG. 28 is a left decorative portion provided in the vertical direction of the door 103b (perpendicular to the plane of FIG. 28), and the right door cap 137 is a right side provided in the vertical direction of the door 103b.
- the vertical direction of the door 103b is the Z direction shown in FIG.
- one end portion (left end portion) 155 of the glass plate 121 is not entirely covered by the left door cap 135 but is exposed from the left door cap 135. It is the end of the state.
- the other end portion (right end portion) 121f of the glass plate 121 is an end portion that is not exposed by being covered with the gripping portion 137a.
- the R surface 156 is formed in the front side part of the side surface 152 of the one end part 155 of the glass plate 121, and it does not have a right-angle shape.
- the R surface 156 is, for example, a 1/4 circumferential R surface.
- the R surface 156 can be formed by polishing a part of the one end 155 and then rounding it, and the R surface 156 is formed continuously in the Z direction.
- the side surface 152 of the one end 155 of the glass plate 121 does not protrude outward. Therefore, since the side surface 152 of the glass plate 121 does not protrude from the side surface 153 of the left door cap 135, the side surface 152 of the glass plate 121 can be protected.
- a substrate insertion portion 154 is provided on the side surface 153 of the left door cap 135.
- the board insertion portion 154 is a through hole, and is provided to insert the board 110 into the storage member 105 from the outside of the left door cap 135.
- the board 110 is equipped with a communication means 106 that communicates information on the capacitance type switch 101 and the refrigerator to the outside and receives other information from the outside.
- the storage member 105 is fixed to the inner surface 121M of the glass plate 121 and the inner surface 135M of the left door cap 135, respectively.
- the storage member 105 is a member constituting a storage unit that can store the substrate 110.
- the board insertion portion 154 can be provided with a lid, and the storage portion can be sealed by closing the lid with the lid.
- the substrate 110 is held in close contact with the inner surface 121M by pressing the substrate 110 against the inner surface 121M of the glass plate 121 from the storage member 105 side using an elastic means 103 such as a spring.
- the substrate 110 is fixed at a position P1 different from the support portion P2 of the left door cap 135. Accordingly, the substrate 110 having the capacitance type switch 101 can be fixed in close contact with the inner surface 121M of the glass plate 121, avoiding the support portion P2 of the left door cap 135. For this reason, since the capacitive switch 101 can be pressed against the inner surface 121M of the glass plate 121 without leaving a gap, the user can turn on / off the capacitive switch 101 from the surface of the glass plate 121. Can be done reliably.
- a guide means for moving the substrate 110 from the rear to the front may be provided instead of the elastic means.
- the storage portion may be inclined so as to narrow toward the substrate insertion direction, or may be pressed by being guided by being inserted into a guide groove provided in the storage portion by a protrusion provided on the substrate 110.
- the substrate may be arranged in a support container that supports the substrate, and an LED as a light emitting means may be disposed in the support container, and the LED may emit light from the back surface of the substrate.
- the capacitance type switch 101 may be integrated by arranging electrodes on the surface of the LED substrate disposed on the back surface. It may be provided.
- the substrate is preferably provided with an electrode of a capacitive switch on a film-like transparent film having elasticity. If it does so, LED can be arrange
- FIG. 29 is a front view of the refrigerator 1 of the twenty-seventh embodiment
- FIG. 30 is a perspective view of the refrigerator 1 in an open state
- FIG. 31 is an enlarged view of the refrigerator compartment 12 minutes of the refrigerator 1. It is a perspective view.
- the cabinet 11 that is the refrigerator body includes a refrigerator compartment 12, a vegetable compartment 13, and a switching chamber 14 that can switch the internal set temperature from the upper stage.
- the freezer compartment 15 is comprised.
- An ice making chamber 16 is provided on the left side of the switching chamber 14.
- a pair of left and right left doors 21 and 22 are opened and closed in a double-opening manner at the left end and the top and bottom of the right end by hinges. It is attached to do.
- the vegetable room 13, the switching room 14, the freezing room 15, and the ice making room 16 are provided with drawer-type doors 23, 24, 25, and 26, respectively.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- This is a structure in which a urethane heat insulating material or a solid heat insulating material is disposed in a hollow portion that cannot be filled with a material.
- the degree of coloring of the front plates 21A and 22A is such that a filler such as a heat insulating material on the back side of the front plates 21A and 22A cannot be seen from the outside in a state of receiving external light.
- the coloring degree of the front plates 21A and 22A is the LED display lamp that transparently displays operation button names, cooling function names, cooling intensity, etc., which will be described later, and the 7-segment LED display device that transparently displays changing numerical values such as temperature values. It is also the darkness that can be seen from the front side when light is transmitted in the lighting state.
- the control operation unit 50 includes an infrared light receiving unit for detecting an environmental condition around the refrigerator, a home button, an LED that detects touch of the home button and transparently displays an operation button name, a cooling function name, a cooling intensity, and the like.
- An indicator lamp, a 7-segment LED display device that transparently displays numerical values that change, such as a temperature value, and the like are provided.
- door operation portions 51 and 52 that are elongated in the horizontal direction are respectively installed. And on the surface of front plate 21A, 22A, it is a door opening operation part, and the door opening operation display parts 51A and 52A which show a door opening operation direction are provided.
- the opening operation display portion 51A of the left door 21 is provided with a left-pointing arrow mark for recognizing that the opening operation is performed by sliding the finger in the left direction while touching the finger.
- the door opening operation display section 52A of the right door 22 is provided with a right-pointing arrow mark for recognizing that the door opening operation is performed by sliding the finger in the right direction while touching it.
- Opening drive units 54 and 55 are installed at two positions near the front end of the top surface of the cabinet 11 at positions corresponding to the open side end portions of the upper sides of the left door 21 and the right door 22, respectively. It is. These door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets, thereby pushing the upper sides in the vicinity of the open side ends of the left door 21 and the right door 22 forward to automatically open the doors. Can be opened.
- the door opening operation portion 51 When a continuous touch is sensed, a touch detection signal is sent to the control unit 56, and if the control unit 56 determines that it is a door opening operation command, the door opening drive unit 54 of the left door 21 is operated and the left door 21 is automatically operated. Open the door.
- the door opening operation section 52 When a continuous touch is sensed, a touch detection signal is sent to the control unit 56, and if the control unit 56 determines that it is a door opening operation command, the door opening drive unit 55 of the right door 22 is operated to automatically activate the right door 22. Open the door.
- the cooling control performed by the control unit 56 in the refrigerator of the twenty-seventh embodiment is general and is not particularly limited.
- the ice making device, the refrigerator compartment fan, the freezer compartment fan, and the defrost heater are connected to the control unit 56 and controlled.
- the arrow mark in the opening operation display portions 51A and 52A is not limited to this display, and a display that can be easily recognized as an opening operation if touched there and slid rightward or leftward. If so, the shape and form of the mark are not limited.
- the left door 21 and the right door 22 are operated by inserting a finger with the palm facing upward at the lower end surface portion below the opening operation display portions 51A and 52A and pulling the finger toward the front.
- Handles 61 and 62 are installed so that each can be manually opened manually.
- FIG. 32 is a block diagram of door opening control in the refrigerator 1.
- the opening operation sections 51 and 52 are respectively opposed to the arrow marks arranged in the left and right lateral directions of the opening operation display sections 51A and 52A with the front plates 21A and 22A interposed therebetween.
- the capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 are arranged in a row. These capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 each detect a change in capacitance due to a user's touch and transmit a touch detection signal to the control unit 56. It is set.
- the control unit 56 determines whether or not it is a door opening operation, and if it is determined to be a regular door opening operation, it outputs a door opening drive signal to the door opening driving unit 55 of the right door to automatically turn the right door 22 on. Open the door.
- the logic of the door opening decision here is as follows. If at least three of the five sensors on the left and right are touch-detected within a predetermined time (for example, 0.5 seconds or 1 second) and in the order of arrangement, the corresponding door is determined to be an opening operation. Is to automatically open the door.
- a predetermined time for example, 0.5 seconds or 1 second
- the opening operation of the right door 22 will be described.
- the corresponding capacitive touch sensor on the door opening operation portion 52 side detects the touch and transmits a touch detection signal to the control unit 56.
- the control unit 56 receives this signal and starts the determination process of the door opening operation.
- the control unit 56 determines that the operation is a normal opening operation for the right door 22, outputs a door opening drive command to the door opening driving unit 55 for the right door, and operates the door opening driving unit 54.
- the right door 22 is automatically opened.
- the determination process for the opening operation of the left door 21 is the same.
- the direction is opposite to that of the right door 22, and it is determined that the operation is the door opening operation when the arrow mark near the right end or the right end in the door opening operation display portion 51 ⁇ / b> A is touched and slid leftward. Will do.
- voice recognition sensors NS1 and NS2 which are voice recognition means, a human sensor HS, and an illuminance sensor LS will be described.
- one voice recognition sensor NS1 a human sensor HS, and an illuminance sensor LS are arranged on the upper surface of the cabinet 11 of the refrigerator 1.
- Another voice recognition sensor NS2 is arranged at a distance from one voice recognition sensor NS1, for example, in the lower part of the right door 22.
- these voice recognition sensors NS1 and NS2 for example, condenser microphones can be used, but are not particularly limited.
- the upper voice recognition sensor NS ⁇ b> 1 is arranged on the upper surface of the cabinet 11 of the refrigerator 1, but the lower voice recognition sensor NS ⁇ b> 2 is arranged, for example, in the lower end portion of the right door 22.
- the present invention is not limited to this, and only one of the two voice recognition sensors NS1 and NS2 may be arranged.
- the human sensor HS shown in FIG. 31 for example, an infrared sensor can be used.
- the upper voice recognition sensor NS1, the human sensor HS, and the illuminance sensor LS shown in FIG. 31 are housed in the housing cases CS1, CS2, and CS3, respectively.
- the voice recognition sensor NS1, the human sensor HS, and the illuminance sensor LS can be arranged on the upper surface of the cabinet 11 or arranged side by side, and can be protected from dust and the like.
- the storage cases C1, C2, and C3 are disposed on the upper surface of the cabinet 11 at, for example, a position between the door opening operation portions 51 and 52, but the positions of the sensors are not limited thereto.
- these sensors may be accommodated in the case of the door opening drive units 54 and 55, or may be accommodated in a case for covering a hinge of a fulcrum that opens and closes the door.
- FIG. 32 is a block diagram of door opening control in the refrigerator.
- the flowchart of FIG. 33 shows a case where the left door 21 and the right door 22 of the refrigerator compartment are automatically opened.
- the two voice recognition sensors NS 1 and NS 2 are electrically connected to the control unit 56.
- the voice signal when the two voice recognition sensors NS1 and NS2 receive the sound can be sent to the control unit 56.
- the detection signal of the human sensor HS can be sent to the control unit 56.
- the illuminance signal of the illuminance sensor LS can be sent to the control unit 56.
- the left door 21 of the refrigerator compartment and The right door 22 is not manually opened by the user, that is, the user can automatically open the door by using a different detection (operation) method such as detecting sound or sound, in addition to opening the door with a handle (handle). It can be done.
- the storage unit 300 and the relevance input registration unit 305 are connected to the control unit 56.
- the user can select “name of food or the like that is contained”, for example, “name of the storage pocket of the left door 21”, “name of the storage pocket of the right door 22”, “ The name of the storage location in the warehouse "can be entered and registered. Examples of the “name of food or the like that is contained” include “milk”, “egg”, “butter”, “juice”, “wasabi”, “tofu”, and the like.
- the “name of the storage place in the refrigerator 1” is, for example, the refrigerator room 12, the vegetable room 13, the switching room 14, the freezer room 15, the ice making room 16, and the like shown in FIG.
- the control unit 56 illustrated in FIG. 32 stores, in the storage unit 300, related information indicating that “the name of the food that is the stored item” is included in “the name of the storage location in the refrigerator 1”. It comes to memorize.
- the user sets (stores), for example, “milk”, “egg”, and “butter” in the storage pocket on the left door 21 side.
- the right door 22 is set. For example, “juice”, “wasabi”, and “tofu” can be set (stored) in the storage pocket on the side.
- step S11 the user operates, for example, the keyboard or the touch panel of the relevance input registration unit 305 in advance, and for example, “milk”, “egg”, For example, “juice”, “wasabi”, and “tofu” are entered and registered in the storage pocket on the right door 22 side.
- the control unit 56 shown in FIG. 32 sets, for example, “milk”, “egg”, and “butter” in relation to the storage pocket on the left door 21 side with respect to the storage unit 300 shown in FIG.
- step S12 for example, “juice”, “wasabi”, and “tofu” are set (stored) in the storage pocket on the right door 22 side.
- step S13 of FIG. 33 is the detection signal sent from the human sensor HS to the control unit 56 by detecting that the user has approached the refrigerator by using the human sensor HS or the illuminance sensor LS, for example?
- an illuminance signal is sent from the illuminance sensor LS.
- the trigger of the voice recognition function start of the control part 56 is triggered by the detection signal or the illuminance signal, that is, the control part 56 generates a timing for demonstrating the voice recognition function.
- the voice recognition function starts working.
- the trigger for starting the voice recognition function is when a detection signal is given from the human sensor HS to the control unit 56 or when the illuminance sensor LS is activated. This is the time when an illuminance signal is given from the illuminance sensor LS to the controller 56 when it is detected that the user has turned on the kitchen in which the refrigerator is placed.
- step S14 of FIG. 33 when the user says at least one of “milk”, “egg”, and “butter” by voice, the voice recognition sensors NS1 and NS2 shown in FIG. 32 receive this voice. Then, since the voice signal is sent to the control unit 56, the control unit 56 recognizes the voice. Thereby, in step S15, the control unit 56 drives to open the door with respect to the door opening drive unit 54 of the left door 21 shown in FIG. 32 in which at least one of “milk”, “egg”, and “butter” is accommodated. A command is output and the door opening drive part 54 is operated. Therefore, in step S ⁇ b> 16, the storage pocket of the left door 21 can be automatically opened by the operation of the door opening drive unit 54.
- step S14 when the user says at least one of “juice”, “wasabi”, and “tofu” by voice, the voice recognition sensors NS1 and NS2 shown in FIG. 32 receive this voice. Thus, since the voice signal is sent to the control unit 56, the control unit 56 recognizes the voice. Thereby, in step S17, the control unit 56 outputs a door opening drive command to the door opening driving unit 55 of the right door 22 in which at least one of “juice”, “wasabi”, and “tofu” is accommodated. Then, the door opening drive unit 54 is operated. For this reason, in step S18, the storage pocket of the right door 22 can be automatically opened by the operation of the door opening drive unit 54.
- a storage pocket on the left door 21 side containing “milk” is registered in advance so that even a person who does not know the location in the refrigerator containing “milk” can receive “milk” "The left door 21 side can be automatically opened. This prevents a person who does not know the location in the refrigerator containing “milk” from opening the right door 22 that does not contain “milk” by mistake. For this reason, the frequency
- the user speaks, for example, “water storage” to open the door on which the water storage tank is stored, for example, the left door 21. Therefore, the user can accommodate the water storage tank in a predetermined storage position of the water storage tank while holding the water storage tank. Accordingly, even when the user holds the water storage tank with both hands and both hands are blocked, the left door 21 to be opened to accommodate the water storage tank is used, for example, using the handle 61 shown in FIG. It can be opened automatically without it.
- drawer-type doors 23, 24, 25, and 26 shown in FIG. 29 can be automatically opened by voice in the same manner as the left door 21 and the right door 22 by providing door opening driving sections. it can.
- the door can be automatically opened. This is very convenient, for example, when the user holds food with both hands.
- the doors may be prevented from colliding with the user by opening the different doors at different timings.
- step S13 shown in FIG. 33 as an example in which a trigger for starting speech recognition is given to the control unit 56, words (words) uttered by the user are recognized by the speech recognition sensors NS1 and NS2. It is an audio signal from the obtained voice recognition sensors NS1 and NS2.
- a predetermined word (word) uttered by the user for example, “plus opening sesame” or the like can be adopted. That is, as a preferable example for giving a trigger for starting voice recognition to the control unit 56, for example, “open sesame” or “plus open sesame” is a word that does not appear in normal conversation. Is desirable.
- the sound that gives a trigger for starting speech recognition to the control unit 56 is used in an abnormal sound generated in the refrigerator, such as a sound of a compressor, an alarm sound for notifying when the door is released, a door opening / closing sound, or a room. It is better to set the sound different from the sound of music flowing in a vacuum cleaner or room.
- the sound to be recognized is set to a sound that is not a voice, if it is set to recognize a sound that is obtained by tapping a hand a plurality of times (for example, twice), it is different from the sound generated from the refrigerator, so that erroneous opening and closing is eliminated.
- FIG. 34 is a schematic diagram of a cross section of the right door 22, for example.
- the voice recognition sensor NS2 is, for example, a condenser microphone, and is disposed below the right door 22.
- the voice recognition sensor NS2 is disposed in the storage member 105.
- the storage member 105 is fixed to the inner surface 121M of the glass plate 121 and the inner surface 135M of the left door cap 135, respectively.
- the storage member 105 is a member constituting a storage unit that can store the substrate 110.
- the hole 154 is provided in a lower portion of the left door cap 135 of the right door 22. The voice generated by the user reaches the voice recognition sensor NS2 through the hole 154.
- the hole 154 may be a single hole or a plurality of holes.
- the voice recognition sensor NS2 can be disposed so as to be built in the lower part of the right door 22, and external voices can be reliably picked up through the hole 154.
- the voice recognition sensor NS2 may be mounted on the substrate 110, may be provided with a lid that covers the hole 154, and a small hole may be formed in the lid.
- control unit 56 is connected to the light emitting unit 330, the sound generation unit 340, and the sound generation unit 350.
- the light emitting unit 330, the sound generating unit 340, and the voice generating unit 350 are used to warn the user that the door is opened when the door is opened by sound (voice) detected by the voice recognition sensors NS1 and NS2. Informing means for informing the user.
- the light emitting unit 330 is, for example, an LED light emitting unit
- the sound generating unit 340 is, for example, a buzzer.
- the sound generator 350 is, for example, a speaker.
- the control unit 56 issues a command to open the left door 21 or the right door 22, for example, the control is performed.
- the unit 56 causes the light emitting unit 330 shown in FIG. 32 to emit light, for example, “red”, the sound generating unit 340 generates an alarm sound, or the sound generating unit 350 generates a warning “door opens”.
- the contents can be notified to the user. Thereby, since it can alert
- a human sensor HS is connected to the control unit 56.
- the human sensor HS issues a detection signal to the control unit 56 to notify that a person has been detected.
- the control unit 56 shown in FIG. 32 sends an inquiry content “Do you want to open the door?” Via the sound generation unit 350. You can ask the user with voice guidance. In this case, for example, when the user answers “YES”, this “YES” is recognized by the voice recognition sensors NS 1 and NS 2, and a voice signal is notified to the control unit 56.
- control part 56 can open the right door 22 by outputting a door opening drive command with respect to the door opening drive part 55 of the right door 22, for example.
- control unit 56 can open the left door 21 by, for example, outputting a door opening drive command to the door opening drive unit 54 of the left door 21.
- the left door 21 and the right door 22 can be opened at different speeds.
- the left door 21 and the right door 22 are normally configured so that the doors do not open suddenly by setting the opening speed to be slow and slow by driving the door opening drive units 54 and 55.
- a height measurement sensor 410 is connected to the control unit 56.
- the height measurement sensor 410 for example, an optical sensor such as a photocoupler can be used, and the approximate height of the user is measured.
- the height measurement sensor 410 only needs to be able to distinguish whether the height value of the user is a value until reaching the left door 21 and the right door 22 on the upper side or not.
- the control part 56 can change the opening speed of the left door 21 and the right door 22 of the upper stage side based on the value of the height of the user which the height measurement sensor 410 measured.
- the control unit 56 includes the door opening drive unit 54, By further delaying the operation of 55, the opening drive units 54 and 55 open the left door 21 and the right door 22 on the upper stage side at a speed slower than the normal opening speed.
- the door opening drive units 54 and 55 are on the left side on the upper side.
- the door 21 and the right door 22 are each opened at a normal opening speed.
- the control unit 56 shown in FIG. 32 or FIG. 35 notifies the user of the warning content “open the right door”, for example, using the sound generation unit 350, the user once again issues this warning.
- you want to check the contents you can do it as follows.
- the voice recognition sensors NS1 and NS2 send voice signals of repeated prompting contents such as “one more time” or “repeat”. Send to.
- the control unit 56 notifies the user of the warning content “open the right door” at least once again by using the voice generation unit 350 based on the voice signals from the voice recognition sensors NS1 and NS2. Thereby, even if a user hears the warning content which the refrigerator side emits, he can confirm again easily.
- the control unit 56 does not accept an operation that automatically opens the left door 21, which is another door. It is like that.
- the user opens the right door 22 and looks into the cabinet, and the user murmurs, for example, “If you don't put out milk,” the left side of the side containing “milk” by mistake. It is possible to prevent the door 21 from automatically opening and to reliably prevent the left door 21 from hitting the face of the user, for example.
- the voice of the instruction to the user such as “Please speak again” is given. It may flow from the speaker.
- the proximity sensor 400 is connected to the controller 56.
- the proximity sensor 400 is disposed, for example, on the left door 21 and the right door 22, and when the user brings his or her hand close to the left door 21 or the right door 22, the door opening operation units 51 and 52 which are touch switches and control operations are performed.
- the unit 50 shines using, for example, an LED lamp. Thereby, even if the place where the refrigerator is placed is a dark place, the user can visually confirm the positions of the opening operation units 51 and 52 and the control operation unit 50.
- the function of the proximity sensor and the function of the door opening operation units 51 and 52 can be combined. In this case, it is not necessary to separately provide the proximity sensor 400 as shown in FIG.
- FIG. 36 is a flowchart showing an operation example of the opening operation unit having the function of the proximity sensor.
- the control unit 56 in FIG. 35 increases the sensitivity of the electrostatic switches of the opening operation units 51 and 52 that also serve as proximity sensors by software and holds them. This keeps the function of the proximity sensor.
- step S22 of FIG. 36 when the opening operation units 51 and 52 that also serve as proximity sensors detect the approach of the user's finger, the door opening operation that also functions as a proximity sensor in response to a command from the control unit 56 in step S23.
- the door opening operation parts 51 and 52 also serving as proximity sensors function only as the door opening operation part by lowering the sensitivity of the door opening operation parts 51 and 52 also serving as proximity sensors to the original state. .
- the sensitivity of the opening operation units 51 and 52 that also serve as proximity sensors is lowered, detection is performed before touch input to the door opening operation units 51 and 52 that also functions as proximity sensors, and accurate input cannot be performed. Because it will end up.
- the door opening operation units 51 and 52 that also serve as proximity sensors sense the approach of the user's fingers, and the door opening operation units 51 and 52 that also serve as proximity sensors shine, thereby opening the doors also serving as proximity sensors.
- the positions of the parts 51 and 52 can be clearly understood, and the user can be notified that the input is possible by using the opening operation parts 51 and 52 that also serve as proximity sensors. Since there is no need to provide a separate proximity sensor, the number of parts can be reduced.
- FIG. 37 is a front view of the refrigerator 1 according to the twenty-eighth embodiment.
- FIG. 38 is a perspective view of the refrigerator 1 in the opened state.
- FIG. 39 is an enlarged perspective view of the refrigerator compartment portion of the refrigerator 1.
- the refrigerator 1 of the 28th embodiment includes a cabinet 11 that is a refrigerator main body.
- the cabinet 11 is comprised from the upper stage from the refrigerator compartment 12, the vegetable compartment 13, the switch room 14 which can switch the set temperature in a store
- An ice making chamber 16 is provided on the left side of the switching chamber 14.
- a pair of left and right left doors 21 and 22 is opened and closed in a double-opening manner at the left end and upper and lower ends of the right end by hinges. It is attached to do.
- the vegetable compartment 13, the switching compartment 14, the freezing compartment 15, and the ice making compartment 16 are provided with drawer-type doors 23, 24, 25, and 26, respectively.
- the refrigeration evaporator for cooling the refrigerator compartment 12 and the vegetable compartment 13 is arranged on the back of the vegetable compartment 13.
- a freezing evaporator for cooling the switching chamber 14, the freezing chamber 15, and the ice making chamber 16 is arranged.
- a control unit 56 composed of a microcomputer for controlling the refrigerator 1 is disposed on the back of the vegetable compartment 13.
- both the left door 21 and the right door 22 are attached with colored transparent glass front plates 21A and 22A at the opening of a flat inner plate that opens to the front, and the internal cavity is vacuumed.
- a heat insulating material is arranged, and a urethane heat insulating material or a solid heat insulating material is arranged in a hollow portion that cannot be filled with a vacuum heat insulating material.
- the coloration degree of the front plates 21A and 22A made of glass is such that the filler such as a heat insulating material on the back side of the front plates 21A and 22A cannot be seen from the outside in a state of receiving external light.
- the coloration degree of the glass front plates 21A and 22A is, for example, LED buttons for transparently displaying operation button names, cooling function names, cooling strengths, etc. in the control operation unit 50, and transparent numerical values such as temperature values are displayed. In the lighting state of the 7-segment LED display device, the light is transmitted and the depth is visible from the front side.
- a condensation prevention heater for preventing condensation is built in the rotary partition 31.
- the control operation unit 50 includes an infrared light receiving unit for detecting an environmental condition around the refrigerator, a home button, an LED that detects touch of the home button and transparently displays an operation button name, a cooling function name, a cooling intensity, and the like.
- An indicator lamp, a 7-segment LED display device that transparently displays numerical values that change, such as a temperature value, and the like are provided.
- This control operation part 50 is arrange
- the home button of the control operation unit 50 is a menu button that can instruct various operations to the control unit 56 of the refrigerator 1 by a user (user) touching with a finger of a hand.
- elongated door opening operation portions 51 and 52 are installed along the left and right lateral directions, respectively.
- the opening operation sections 51 and 52 are also called door open buttons.
- Opening operation display portions 51B and 52B indicating the opening operation direction are provided on the surfaces of the front plates 21A and 22A.
- the opening operation display portion 51B of the left door 21 is provided with a left-pointing arrow mark that allows the user to recognize that the user performs the opening operation by sliding the finger while touching the left direction with a finger.
- the opening operation display portion 52B of the right door 22 is provided with a right-pointing arrow mark for recognizing that the user slides the door while touching it with the finger in the right direction to perform the opening operation.
- the door opening drive units 54 and 55 are located at two left and right positions in the vicinity of the front end of the top surface of the top plate of the cabinet 11, i. Each is installed at a position corresponding to the vicinity.
- These door opening drive units 54 and 55 push the plungers 54B and 55B forward by an electromagnet to push the upper sides near the open side end portions of the left door 21 and the right door 22 forward, and the left door 21 and the right door
- Each door 22 can be automatically opened.
- the door opening operation portion 51 is continuously displayed.
- a touch detection signal is sent to the control unit 56. And if it judges that it is a door opening operation command in the control part 56, the door opening drive part 54 of the left door 21 will be operated, and the left door 21 can be opened automatically.
- the door opening operation portion 52 is opened. Senses the continuous touch and sends a touch detection signal to the control unit 56. And if it judges that it is a door opening operation command in the control part 56, the door opening drive part 55 of the right door 22 will be operated, and the right door 22 can be opened automatically.
- a control operation unit 50 for performing an operation to change the cooling control content of the refrigerator 1 is provided, for example, on the right door 12, and the user operates the control operation unit 50, The cooling control content of the refrigerator 1 is changed.
- the door opening operation unit 52 is disposed below the control operation unit 50, and the door opening operation unit 52 is not at a position directly below the control operation unit 50 but on the left and right with respect to the control operation unit 50. It is arranged at a position shifted in the direction.
- a door opening operation unit 52 is disposed at a position below the control operation unit 50 having menu buttons.
- the door opening operation unit 52 includes a control operation unit having menu buttons. With respect to the position of 50, it is shifted to a different position in the right direction along the arrow QR direction.
- the right door 22 of the refrigerator 1 has a clean appearance.
- the cooling control performed by the control unit 56 in the refrigerator of the twenty-eighth embodiment is general and is not particularly limited.
- the compressor, the operation panel, the dew condensation prevention heater, and the ice making in the ice making chamber are made.
- An apparatus, a refrigerator compartment fan, a freezer compartment fan, and a defrost heater are connected to this control part 56, and are controlled.
- the arrow mark in the opening operation display portions 51B and 52B shown in FIGS. 37 and 39 is not limited to this display, and if the user touches and slides to the right or left, the opening operation is performed. As long as the display can be easily recognized, the shape and form of the mark are not limited.
- the left door 21 and the right door 22 are provided with handles 61 and 62.
- the grips 61 and 62 are provided on the lower lower end surface portion of the door opening operation display portions 51B and 52B, and the left door is operated by inserting the finger into the grips 61 and 62 with the palm facing upward and pulling it toward the front side. 21 and the right door 22 can be manually opened individually.
- FIG. 40 is a block diagram of the door opening control in the refrigerator 1.
- the door opening operation parts 51 and 52 have door opening operation display parts 51B and 52B, respectively.
- the opening operation display parts 51B and 52B have five arrow marks arranged in the horizontal direction.
- Capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 are respectively arranged in the opening operation display portions 51 B and 52 B. These capacitive touch sensors 51-1 to 51-5 and 52-1 to 52-5 detect a change in capacitance caused by a user's touch, and transmit a touch detection signal to the control unit 56. It is set to.
- the control unit 56 determines whether or not the operation is a door opening operation, and if it is determined that the operation is a normal door opening operation, the control unit 56 outputs a door opening driving signal to the door opening driving unit 55 of the right door to turn the right door 22 on. Let the door open automatically.
- the control unit 56 determines the same opening operation of the left door 21.
- FIG. 41 shows an example in which the opening operation part 51 of the left door 21 and the opening operation part 52 of the right door 22 shown in FIGS. 37 to 39 function as human body detection means for detecting the human body of the user of the refrigerator 1. Is shown.
- the door opening operation unit 51 and the door opening operation unit 52 send a human body detection signal to the control unit 56 when detecting the user's human body.
- the control part 56 validates the input of the operation signal from the door opening operation part 51, performs opening control of the left door 21 concerned, and validates the input of the operation signal from the door opening operation part 52, The opening control of the corresponding right door 22 is performed.
- the control unit 56 turns on the display of the opening operation unit 52 when the opening operation unit 52 detects the human body.
- the control part 56 can switch the display by lighting of the door opening operation part 52 by the way of the door opening operation of the right door 22.
- the opening operation unit 52 serving as a human body detection unit is an electrostatic switch as described above.
- the control unit 56 increases the sensitivity of the electrostatic switch. It can be implemented by switching.
- the opening operation unit 52 that is a human body detection means is a proximity sensor that detects when a human body approaches, and the control unit 56 switches the sensitivity of the opening operation unit 52 that is the proximity sensor to contact the opening operation unit 52.
- the control unit 56 functions as a sensor to enable the opening operation of the right door 22 and detects that the user has touched the opening operation unit 52 as a contact sensor with a finger.
- the control unit 56 opens the right door 22. The door operation is actually performed.
- the control unit 56 sets the sensitivity of the opening operation unit 52 to “high” so that the opening operation unit 52 that is an electrostatic switch functions as a “proximity sensor”. Thus, the function as the “proximity sensor” is “valid”. For this reason, the control unit 56 sets “open” (opening operation) of the right door 22 which is an original function of the opening operation unit 52 to “invalid”. In addition, the controller 56 indicates that the lighting operation of the opening operation unit 52 is in an off state, as indicated by a broken line.
- the door opening operation part 52 turns on the approach of the hand as “proximity sensor”. Detect.
- the control unit 56 switches and sets the sensitivity of the opening operation unit 52 as the “proximity sensor” from “large” to “small”. For this reason, since the control unit 56 functions as a “contact sensor” that is the original function of the door opening operation unit 52, the right door 22 opening operation (door opening operation) by touching the door opening operation unit 52 with the finger HT. ) Becomes “valid”.
- the control unit 56 turns on the lighting operation of the door opening operation unit 52 from the off state to the on state as indicated by the solid line, and turns on the door opening operation unit 52 by, for example, an LED.
- the control unit 56 displays the “contact sensor” of the door opening operation unit 52.
- the sensitivity is maintained in the “small” state, and the “contact sensor” is functioned as it is.
- the controller 56 remains “valid” when the right door 22 is opened (opening operation), which is the original function of the opening operation unit 52.
- the controller 56 indicates that the lighting operation of the opening operation unit 52 is in an ON state as indicated by a solid line, and the opening operation unit 52 is lit by, for example, an LED.
- the control unit 56 indicates that the finger HT of the user's hand has left the state where the finger opening HT 52 functioning as a “contact sensor (touch sensor)” is in direct contact (touch).
- the control unit 56 recognizes, the control unit 56 makes the input of the operation signal from the door opening operation unit 52 valid and operates the door opening driving unit 55 to perform the door opening control of the corresponding right door 22. Thereby, the right door 22 can be opened automatically.
- the control unit 56 detects erroneous detection of the door opening instruction. In order to prevent this, it is possible to determine whether direct contact (touch) is valid or invalid.
- the lighting operation display of the opening operation part 52 can be turned on as shown by a solid line and the opening operation part 52 can be lit by, for example, an LED, for the user, for example, by the LED lighting display of the opening operation part 52
- the visibility of the opening operation part 52 can be improved.
- control unit 56 when the control unit 56 recognizes that the finger HT of the user's hand has left the state of being in direct contact (touch) with the opening operation unit 52 functioning as a “contact sensor (touch sensor)”, the control unit 56 Is configured to enable the input of an operation signal from the opening operation unit 52 to perform the opening control of the corresponding right door 22. From this, since the right door 22 actually opens after the user's hand leaves the opening operation part 52 of the right door 22, it is possible to prevent the user from making a finger by the opening operation of the right door 22. .
- the opening operation of the right door 22 described can be performed in the same manner as the opening operation of the left door 21 using the opening operation unit 51 arranged on the left door 21 in FIG.
- the color of the lighting display in the left and right door operation units 51 and 52 may be the same color or different colors in the left and right door operation units 51 and 52.
- the lighting display colors of the left and right opening operation sections 51 and 52 may be displayed differently.
- the color of the lighting display on the left and right opening operation portions 51 and 52 can be changed.
- the user only needs to operate one of the door opening operation portions 51 and 52 to open both the left door 21 and the right door 22, the inside of the left door 21 and the right door 22. Unlike the case where only one of them is opened, a different display color may be used.
- the opening operation units 51 and 52 when the sensitivity of the opening operation units 51 and 52 is set to “high” to function as the opening operation units 51 and 52 “proximity sensor”, when it is detected that the human body has approached for a predetermined time or more
- the specification can be changed so that only one of the left door 21 and the right door 22 is opened, and the left door 21 and the right door 22 are simultaneously opened.
- the opening operation units 51 and 52 may be turned on or the opening operation units 51 and 52 may have different colors. it can.
- the lighting method of the opening operation parts 51 and 52 such as the blinking display of the opening operation parts 51 and 52, can be changed arbitrarily.
- the refrigerator 1 it is possible to prevent a user (user) from making a false detection in the middle of an operation of making a touch, and to prevent a malfunction of opening the door.
- FIG. 42 is a front view showing the refrigerator 1 according to the twenty-ninth embodiment.
- FIG. 43 is a block diagram of the door opening control including the human body detecting means of the refrigerator 1 shown in FIG.
- the human body detection unit 500 includes, for example, a remote detection sensor 100 and an opening operation unit 52 that also functions as a proximity sensor.
- the remote detection sensor 100 and the opening operation unit 52 that also functions as a proximity sensor are disposed on the right door 22, for example.
- the remote detection sensor 100 is positioned above the door opening operation unit 52 that also functions as a proximity sensor.
- the remote detection sensor 100 is, for example, an infrared sensor for detecting a human body when the user's human body is located far from the refrigerator 1.
- the opening operation unit 52 that also functions as a proximity sensor is an electrostatic detection sensor that detects a human body when the user's human body approaches the refrigerator 1.
- the remote detection sensor 100 and the opening operation unit 52 that also functions as a proximity sensor are connected to the control unit 56.
- the control unit 56 is preferably connected with a switching unit 104.
- a selection signal is sent from the switching unit 104 to the control unit 56, so that the human body is detected, and the remote detection sensor 100 and the proximity sensor (electrostatic detection sensor). Also, the user can select which one of the opening operation unit 52 that functions as a human body to be detected.
- the opening operation unit 52 that also functions as a proximity sensor is an electrostatic detection sensor, and includes a sensitivity adjustment unit 199 that adjusts the sensitivity of the electrostatic detection sensor by arbitrarily changing it. May be.
- the sensitivity adjustment unit 199 is connected to the control unit 56, and sends a sensitivity adjustment signal to the control unit 56 when the user operates the sensitivity adjustment unit 199.
- the control part 56 can adjust the sensitivity of the opening operation part 52 which is an electrostatic detection sensor between "large” and "small”.
- the electrostatic detection sensor As a method of changing the sensitivity of the door opening operation unit 52 that is an electrostatic detection sensor, the electrostatic detection sensor has a cycle of repeatedly charging and discharging the electrostatic capacity (capacitor capacity) several tens of times per second, for example. Yes. It utilizes the fact that the capacitance of the capacitor is changed by the user bringing his / her finger close to or in contact with the opening operation unit 52 which is an electrostatic detection sensor. Accordingly, when the user brings his / her finger close to or touches the opening operation unit 52, the charge / discharge cycle changes.
- the control unit 56 checks the degree of change in the charge / discharge cycle, and by setting a threshold value in advance, it is determined whether the user has approached or touched the door opening operation unit 52 based on the threshold value. The control unit 56 can make a determination.
- control unit 56 can determine that the user has returned to normal after changing to the charge / discharge cycle.
- the user can change and adjust the sensitivity of the opening operation unit 52 that is an electrostatic detection sensor. If the refrigerator 1 is installed, for example, on the back side of the sink in the kitchen, the remote detection sensor 100 will always detect the human body when the user is near the sink. In such a case, when the user operates the switching unit 104, a selection signal is sent from the switching unit 104 to the control unit 56, and the door that functions not as the remote detection sensor 100 but also as a proximity sensor is opened.
- the operation unit 52 can be selected as a human body detection means. Thereby, the door opening operation part 52 does not detect a human body only if a user exists in the vicinity of a sink.
- the opening operation part 52 which functions as a proximity detection sensor of the refrigerator 1
- the opening operation part 52 can detect a human body. Thereby, erroneous detection when the user is relatively away from the refrigerator 1 can be prevented.
- the remote detection sensor 100 Since the remote detection sensor 100 is used, as the printing coloring on the back surface of the glass front plate 22A shown in FIG. 42, printing that transmits infrared light is adopted, or the infrared light is passed through the back surface of the glass front plate 22A. It is better not to print.
- the refrigerator 1 it is possible to prevent a user (user) from making a false detection in the middle of an operation of making a touch and prevent a malfunction of opening the door.
- the case arranged on the ceiling of the refrigerator 1 has voice recognition means, and this case has a hole through which voice is transmitted.
- the control board case is arranged so as to be equal to or less than the height of the solenoid case.
- the control board is disposed at a location where the back of the ceiling wall is concave, and the support portion of the board is embedded in urethane.
- the solenoid is also buried.
- the parts embedded by folding the vacuum heat insulating material are arranged apart from each other, and are arranged so as to cover the lower side of the solenoid and the lower side of the substrate, and the whole part is folded and covered.
- the ceiling lighting is arranged buried in the recess of the urethane on the ceiling. The vacuum insulation is placed away from the ceiling lighting.
- the vacuum heat insulating material is placed in contact with the inner wall of the ceiling, and the LED is placed outside the ceiling wall. Moreover, it arrange
- the vacuum insulation material is divided and wrapped under the solenoid and the substrate.
- the LED is separated from the vacuum heat insulating material, and the vacuum heat insulating material under the substrate is in contact with the inner wall.
- ⁇ It is inclined to the bent part of the ceiling wall, and the LED is embedded in the inclined part so as not to contact the vacuum heat insulating material.
- FIG. 44 is a cross-sectional view along the front-rear direction showing the upper part of the refrigerator 1 having the above-described structure.
- a case 700 is disposed on the ceiling portion 11 ⁇ / b> A of the cabinet (main body) 11.
- the rear portion 11B of the ceiling portion 11A is provided with a recessed portion 11C, and the case 700 is disposed in the recessed portion 11C.
- the case 700 has a rectangular parallelepiped shape, for example, and the control board 710 is inclined and disposed in the internal space of the case 700.
- the control board 710 is disposed so as to be inclined so that the front side of the control board 710 is above the rear side.
- Voice recognition means 720 is mounted on the front side of the control board 710.
- a microphone is used as the voice recognition means 720.
- the front portion of the case 700 has a hole 700H so that the voice can be transmitted to the voice recognition means 720.
- the voice recognition means 720 is arranged in the case 700, for example, the voice uttered by the user is surely transmitted to the voice recognition means 720 through the hole 700H of the case 700. Can recognize voice and sound.
- an opening drive unit 54 (55) is provided on the front side of the ceiling portion 11A.
- the door opening drive unit 54 (55) is preferably a solenoid, and the door opening drive unit 54 (55) includes a case 762 and a telescopic rod 761. As the door opening drive unit 54 (55) is driven and the rod 761 comes out, the door opening drive unit 54 (55) is configured to push and open the inside of the left door 21 (or the right door 22). .
- the height of the case 700 is the same as the height of the case 762 of the door opening drive unit 54 (55), or the height of the case 700 is different from the height of the case 762 of the door opening drive unit 54 (55). Only DF is lower. Thereby, even if it arrange
- the control board 710 has a plurality of support portions 711, and is supported by being embedded in a heat insulating material 730 such as urethane in an inclined state using the support portions 711. Yes. Thereby, the control board 710 is supported so as not to move using the heat insulating material 730.
- the door opening drive unit 54 (55) includes a plurality of support portions 763, and is supported by being embedded in the heat insulating material 730 using the support portions 763. Thereby, the opening drive part 54 (55) is supported so that it may not move using the heat insulating material 730.
- a heat insulating material 730 such as urethane and a vacuum heat insulating material 740 are arranged inside the ceiling portion 11A.
- the vacuum heat insulating material 740 is located on the lower side of the heat insulating material 730, and the middle portion of the vacuum heat insulating material 740 is bent and arranged substantially at a right angle. As described above, the middle portion of the vacuum heat insulating material 740 is bent at a substantially right angle, so that the vacuum heat insulating material 740 includes the lower region portion of the door opening drive unit 54 (55) and the lower part of the control board 710.
- the vacuum heat insulating material 740 is separated from the support portion 763 of the door opening drive portion 54 (55) and the support portion 711 of the control board 710.
- the vacuum heat insulating material 740 is separated from the ceiling lighting 750 by an inner wall 755.
- FIGS. 45 to 47 The location of the refrigerator of the modification of the twenty-ninth embodiment shown in FIGS. 45 to 47 is shown in FIG. When it is substantially the same as the location of the refrigerator of 29th Embodiment, the same code
- 45 to 47 are cross-sectional views along the front-rear direction showing the upper part of the refrigerator of another modified example, similarly to FIG.
- the ceiling lighting 750 is disposed in contact with the inner wall 755 of the ceiling, and the LED lamp 750a of the ceiling lighting 750 is disposed outside the inner wall 755 of the ceiling (inside the warehouse). ) Is exposed in the refrigerator compartment. Moreover, the ceiling illumination 750 is disposed at the bent portion 757 of the inner wall 755 of the ceiling.
- the bent portion of the inner wall 755 of the ceiling is positioned on the front side with respect to the bent portion of the concave portion 11C of the ceiling portion 11A of the cabinet (main body) 11, the bent portion of the outer wall of the cabinet and the bent portion of the inner wall 755 are arranged in the front-rear direction. Since a space can be created in the gap, a vacuum heat insulating material can be arranged in the vertical direction between them. Therefore, the bent part of the middle part of the vacuum heat insulating material 740 can be arranged in the space. Note that the vacuum heat insulating material arranged in the vertical direction may be a separate body.
- the front side corner of the bottom of the recessed portion 11C of the bent portion of the outer wall and the angle and distance dimension of the upper side (the recessed portion 11C side) of the bent portion of the inner wall 755 are the same as those of the ceiling portion 11A having no other bent portion. Since it is smaller than the thickness dimension, the heat insulating property may be deteriorated only with the urethane heat insulating material, but the heat insulating property can be greatly improved by adopting the configuration including the vacuum heat insulating material.
- the vacuum heat insulating material 770 is divided into a plurality of parts, and the vacuum heat insulating material 770 is divided into a first part 771 and a second part 772.
- the first portion 771 covers a lower region portion of the door opening drive unit 54 (55), and the second portion 772 covers a lower region portion of the control board 710.
- the LED lamp 750 a of the ceiling illumination 750 is separated from the first portion 771 of the vacuum heat insulating material 770, and the second portion 772 of the vacuum heat insulating material 770 on the control board 710 side is in contact with the inner wall portion 776.
- the vacuum heat insulating materials of the first portion 771 and the second portion 772 are arranged to wrap in the front-rear direction. This is because the bent portion of the inner wall 755 of the ceiling is positioned on the front side with respect to the bent portion of the concave portion 11C of the ceiling portion 11A of the cabinet (main body) 11, so that the bent portion of the outer wall of the cabinet and the bent portion of the inner wall 755 are front and rear. Since a space is formed in the gap in the direction, it can be overlapped.
- the dimension of the front side corner of the bottom of the concave portion 11C of the bent portion of the outer wall and the corner of the upper side (the concave portion 11C side) of the bent portion of the inner wall 755 is the ceiling portion 11A having no other bent portion.
- the thickness is smaller than the thickness dimension of urethane, it may be difficult for urethane, which is a foam insulation, to flow during manufacture. Certainly, the filling speed can be improved.
- the bent portion 780 of the inner wall 755 of the ceiling is formed to be inclined.
- the ceiling illumination 750 is formed in a right triangle shape, for example, in accordance with the shape of the bent portion 780 that is inclined, and the ceiling illumination 750 is disposed so as to be embedded in the bent portion 780.
- the vacuum heat insulating material 740 is not divided and is a single body. Thus, the LED lamp 750a of the ceiling illumination 750 is disposed in the bent portion 780, and the ceiling illumination 750 is not in contact with the vacuum heat insulating material 740 but is separated.
- the user may operate the door opening device by continuously touching the door opening operation portions 51 and 52 shown in FIG.
- the remote detection sensor 100 shown in FIG. 42 is, for example, an infrared sensor for detecting a human body when the human body of the user (user) is located far from the refrigerator 1.
- the hole (opening) which cut out the printing paint of the front plate for permeating to the front of a door you may arrange
- the paint is not noticeable by applying paint so that a plurality of small holes (openings) can be formed at the location. This also makes it difficult for the remote detection sensor, which is an infrared sensor disposed on the back surface of the glass plate, to be visually recognized from the front.
- the coating material may be a coating material that transmits infrared rays, or semi-transparent means that transmits infrared wavelengths by sputtering, etching, or the like to make it difficult to transmit part of visible light.
- a semi-transparent means that transmits a color having a long wavelength. For example, if it is configured to transmit a red wavelength (for example, 620-750 nm) that is longer than the blue wavelength (450-495 nm), the infrared wavelength (for example, 760 to 830 nm or more is longer) ) Is more easily transmitted.
- the color of the display means in the vicinity of the infrared sensor is also semi-transparent by using a light emitting means having a long wavelength (such as a green, yellow, or red light emitting diode).
- the means can be transmitted and can be visually recognized by the user, and the infrared sensor and the components inside the door can be made difficult to visually recognize.
- the remote detection sensor that is an infrared sensor may be arranged on the base and may be inserted together with the control operation unit 50 or the opening operation units 51 and 52. In that case, it is preferable to cut out a part of the electrode of the control operation unit 50 or the opening operation unit 51, 52 or provide a slit so that infrared rays can be transmitted from the back side of the electrode to the door side. By doing so, a remote detection sensor becomes easy to detect the user who operates. Moreover, you may provide a remote detection sensor between the control operation part 50 and the door opening operation parts 51 and 52 of touch open SW.
- FIG. 48 is a front view of the refrigerator 1 showing the thirtieth embodiment. 49 is a plan view of the refrigerator 1 shown in FIG. 48, and FIG. 50 is a side view of the refrigerator 1 shown in FIG.
- the pair of left door 21 and right door 22 cover the front opening of the refrigerator compartment 12 of the refrigerator 1.
- the left door 21 and the right door 22 are attached so that the left and right ends of the cabinet 11 that is the refrigerator main body are opened and closed in a double-opening manner at the hinges.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- This is a heat insulating structural member in which a foamed polyurethane heat insulating material (hereinafter also simply referred to as a urethane heat insulating material) or a pre-molded solid heat insulating material (for example, EPC) is disposed in a hollow portion that cannot be filled with a material.
- the opening operation sections 551 and 552 are installed in the vicinity of the lower side of the front plate 21A of the left door 21 and the front plate 22A of the right door 22, respectively.
- the door opening drive units 54 and 55 are respectively installed at positions corresponding to the vicinity of the open side end portion of the upper side of the left door 21 and the right door 22 at the left and right locations near the front end of the top surface of the cabinet 11. Yes.
- These door opening drive units 54 and 55 are door opening devices that forcibly open the left door 21 and the right door 22 separately.
- the door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets, thereby pushing the upper sides near the open end portions of the left door 21 and the right door 22 forward, The right door 22 is forcibly automatically opened.
- One door operation portion 551 is disposed at the lower right position of the left door 21, and the other door operation portion 552 is disposed at the lower left position of the right door 22.
- the opening operation unit 551 is disposed inside the glass front plate 21 ⁇ / b> A of the left door 21, and the door opening operation unit 552 is disposed inside the glass front plate 22 ⁇ / b> A of the right door 22.
- FIG. 51 shows a structural example of the substrate 553 of the door opening operation portion 551 shown in FIG.
- FIG. 52 is a diagram showing the proximity sensor 560 and the guard electrode 570 arranged on the substrate 553 of the door opening operation portion 551 shown in FIG.
- FIG. 53 is an exploded perspective view showing a structural example of the door opening operation portion 551.
- FIG. 48 shows an example of the shape of the substrate 553 of the door opening operation portion 551. Since the door opening operation portion 552 and the door opening operation portion 551 have substantially the same shape, see FIG. 51 to FIG. Then, the substrate 553 of the door opening operation unit 551 will be described as a representative.
- the opening operation unit 551 includes a board assembly 500M, a plastic storage space member 585 called an open box for storing the board assembly 500M, and a plastic lid member 590.
- a plastic storage space member 585 called an open box for storing the board assembly 500M
- a plastic lid member 590 Have.
- On the back surface 585R of the plastic storage space member 585 for example, an aluminum foil which is preferably a metal body is pasted.
- a metal body 591 such as an aluminum foil is attached to the inner surface of the plastic lid member 590.
- the substrate assembly 500M includes a plastic shielding plate 599, a substrate 553, an operation name plate 597, and an LED substrate 598 on which a display LED 557 is mounted.
- the substrate 553 is an electrostatic touch switch substrate, and is supported and fixed on the front surface side of the shielding plate 599.
- An operation nameplate 597 is disposed on the front side of the substrate 553.
- An LED substrate 598 for display is supported and fixed on the back side of the shielding plate 599.
- a plurality of LEDs 577 are mounted on the LED substrate 598.
- the shielding plate 599 functions as an instruction unit that supports the two substrates 553 and the LED substrate 598 and a separation unit that separates the LED light.
- Left and right slits 574 and 575 are formed at positions corresponding to the substrate 553 and the operation nameplate 597.
- the positions of the slits 574 and 575 are between the proximity sensor 560 and the intermediate region portion 589.
- the substrate assembly 500M is stored in the storage space member 585 through the rectangular opening 586 of the storage space member 585.
- An opening 586 of the storage space member 585 is covered with a lid member 590.
- the substrate 553 of the opening operation portion 551 is a vertically long rectangle or square, and the substrate 553 is formed on the surface 553A shown in FIG. 51 (a) and FIG. 51 (b). It has a back surface 553B shown.
- the substrate 553 is provided with an electronic component mounting portion 571 and an arrangement portion 572 for the proximity sensor 560 and the guard electrode 570.
- the electronic component mounting portion 571 shown in FIGS. 51A and 52 is mounted with necessary electronic components, connector components, and the like so as to protrude from the back surface and be accommodated in the concave portion of the shielding plate 599 of the separating means. Further, by forming the metal electrical connection portion 571b on the surface of the substrate 553 in a substantially flat state without protruding, the substrate 553 can be brought into contact with the back surface of the glass door.
- the operation name plate 597 may be colored or vapor-deposited.
- a proximity sensor 560 as a first electrode, a guard electrode 570 as a third electrode, and an intermediate region portion 589 as a second electrode are provided.
- the intermediate region portion 589 is provided between the proximity sensor 560 and the guard electrode 570.
- the proximity sensor 560, the guard electrode 570, and the intermediate region portion 589 are metal electrodes, but are electrically insulated from each other.
- the intermediate region portion 589 serving as the second electrode assists the proximity sensor 560 and has a function as a proximity sensor.
- the guard electrode 570 changes the effective range of detection by the proximity sensor 560.
- a mesh ground pattern 573 which is a fourth electrode, is arranged on the back surface 553 B corresponding to the arrangement portion 572 of the substrate 553. Accordingly, the ground pattern 573 prevents noise from the refrigerator main body from affecting the electromagnetic field generated by the proximity sensor 560 and the electromagnetic field generated by the guard electrode 570.
- a through hole 560C is formed at the center position of the proximity sensor 560.
- a conductive wire pattern is formed in the through hole 560C. 560H is connected. Since the action of the user pressing (contacting) the proximity sensor 560 with a finger is usually performed aiming at the middle of the proximity sensor 560, the through hole 560C is formed at a position in the middle of the proximity sensor 560. Yes.
- the through hole 560C is formed at a position almost in the middle of the proximity sensor 560 for the following reason. That is, in the proximity sensor 560, the central area where the through hole 560C is formed has the highest switch sensitivity compared to the other areas. For this reason, the user's finger presses the middle of the proximity switch 560 having the through-hole 560C so that the finger can touch the most sensitive place.
- the proximity sensor 560 shown in FIGS. 51 and 52 is an electrode for electrostatic touch (contact), and is about 100 mm in the front (front) direction of the left door 21 and the right door 22 shown in FIGS. 49 and 50, for example. It is a capacitance type detection means for detecting that a human body or an object is approaching.
- the proximity sensor 560 detects the approach of a finger when a part of the user's human body, specifically, for example, a finger of a hand approaches.
- the proximity sensor 560 is a capacitive touch sensor, but a mutual capacitance touch sensor or a self-capacitance touch sensor can be used.
- the mutual capacitance method is composed of one transmission electrode and one reception electrode.
- a current is supplied to the transmission electrode, an electromagnetic field is generated and the electromagnetic field is received by the reception electrode.
- a part of the electromagnetic field is absorbed and received by the reception electrode, so that the amount of detected energy is reduced, and the proximity sensor 560 approaches the finger. Can be detected.
- the self-capacitance method requires one electrode (proximity sensor 560) having stray capacitance.
- the stray capacitance of the electrode (proximity sensor 560) is affected by the parasitic capacitance between the electrode (proximity sensor 560) and the surrounding conductor (human finger).
- the proximity sensor 560 can detect the approach of the finger by measuring the increased stray capacitance.
- the proximity sensor 560 is, for example, a rectangular switch that is long in the vertical direction, and slits 574 and 575 are formed around the proximity sensor 560 so as to surround the electrodes.
- the slits 574 and 575 cover the substrate 598 from the back, and a plurality of LEDs 577 functioning as a lighting device are arranged at intervals.
- the four LEDs 577 corresponding to the four corners 576R of the slits 574 and 575 among the plurality of LEDs 577 are arranged at positions outside the slit 576 that are out of the slit 576.
- one end portion of the proximity sensor 560 is connected to the arrangement portion 572 by a connection portion 560A, and the other end portion of the proximity sensor 560 is connected to the arrangement portion 572 by a connection portion 560B.
- a through hole 560C for electrical connection is formed at the center of the proximity sensor 560.
- the through hole 560C is formed in the central portion of the proximity sensor 560 as described above because the region portion of the proximity sensor 560 provided with the through hole 560C has a detection sensitivity compared to other region portions. high. Since the region where the user's finger is in close contact is the central portion of the proximity sensor 560, the through hole 560C is provided in the central portion of the proximity sensor 560.
- the proximity sensor 560 is formed in a substantially rectangular shape by forming electrodes in the dotted line area in the area 572a of the slits 574 and 575 in the arrangement portion of the substrate.
- the slits 574 and 575 do not surround the entire proximity sensor 560 but are formed in a U shape.
- a bridge 572ab connected to the peripheral portion 572b around the slit is formed so that the inner side and the outer side are connected and the substrate is kept as one substrate without being divided.
- the guard electrode 570 shown in FIGS. 51 and 52 is formed in a rectangular frame shape around the proximity sensor 560 and the intermediate region portion 589 in the arrangement portion 572.
- the guard electrode 570 is a metal body and includes a pair of short side electrode portions 570A and a pair of long side electrode portions 570B.
- the guard electrode 570 generates an electromagnetic field in a direction opposite to the electromagnetic field generated by the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is suppressed from being spread by the electromagnetic field in the opposite direction generated by the guard electrode 570. Therefore, the electromagnetic field generated by the guard electrode 570 suppresses the spread of the electromagnetic field 560P generated by the proximity sensor 560, so that the guard electrode 570 changes the effective range of the human body detection range. Acts as a means of change.
- the guard electrode 570 changes the effective range of the detection range of the proximity sensor 560 by narrowing and changing the detection range of the proximity sensor 560 when detecting the approach of a finger of a human body, for example. Specifically, as a result of the guard electrode 570 changing the effective range of the detection range of the proximity sensor 560, as shown in FIG. 49, the electromagnetic field 560P generated by the proximity sensor 560 of the door opening operation portion 551 of the left door 21. Is guided only in the front front direction of the proximity sensor 560. Similarly, the electromagnetic field 560P generated by the proximity sensor 560 of the door opening operation unit 552 of the right door 22 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is narrowed so as not to expand in the X direction, which is the left-right direction.
- the electromagnetic field 560P generated by the proximity sensor 560 of the opening operation unit 551 of the left door 21 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 of the door opening operation unit 552 of the right door 22 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is narrowed so as not to expand in the Z direction, which is the vertical direction.
- the electromagnetic field 560P of the proximity sensor 560 shown in FIGS. 49 and 50 indicates the effective range of the human body detection range, and the effective range of the human body detection range is different from the front of the proximity sensor 560. It corresponds to a range different from the range (range extending up and down and left and right).
- the effective range of the human body detection range is that at least the operation direction of the user of the proximity sensor 560 is the effective range, and the effective range is limited by changing the range in a direction different from the operation direction. Specifically, it is a range excluding at least a part of a range in a direction different from the front (at least a part such as a range extending up and down, left and right, and rearward).
- FIG. 54 is a block diagram showing electrical connections of the control unit 556, the opening operation units 551 and 552, and the opening drive units 54 and 55 that are opening devices.
- control unit 556 is electrically connected to the proximity sensor 560 and the guard electrode 570 of the door opening operation units 551 and 552, the door opening driving units 54 and 55, and the LED 577 serving as a plurality of lighting devices. Has been.
- the proximity sensor 560 is controlled by the control unit 556, and the control unit 556 holds the proximity sensor 560 in a “high sensitivity” state.
- the control unit 556 in FIG. 54 sends a signal SG indicating that the finger is approaching the proximity sensor 560 from the proximity sensor 560. To receive.
- the control unit 556 receives the signal SG from the proximity sensor 560, determines that the finger has approached the proximity sensor 560, stops energization of the guard electrode 570, and closes the proximity sensor 560.
- the sensitivity is changed from “High sensitivity” to "Low sensitivity”.
- the control unit 556 turns on the LED 577 to illuminate the vicinity of the proximity switch 560, so that the position of the proximity switch 560 is raised by illumination.
- the user can visually confirm the position of the proximity switch 560.
- the operation location can be visually recognized by the user, and the operation position of the operation unit with respect to the front plate 21A (or 22A) of the glass plate. There is no need to perform printing or the like.
- the proximity sensor 560 When the finger touches the proximity sensor 560 from a state where the finger is close to the proximity sensor 560, the proximity sensor 560 functions as a contact switch, and the proximity sensor 560 makes contact with the control unit 556 when the finger contacts the proximity sensor 560.
- the control unit 556 causes the proximity sensor 560 to function as a contact sensor, for example, enables the opening operation of the left door 21, and the control unit 56 operates the door opening driving unit 54 to operate the left door 21.
- the door opening operation can be actually performed.
- the operation procedure described above is the same for the right door 22.
- the user touches the position of the proximity switch 560 disposed inside the glass surface of the left door 21 or the right door 22 while visually confirming with the help of illumination by the LED 577, and the left door 21 or the right door is touched.
- the door 22 can be opened.
- the control unit 556 causes the proximity sensor 560 to function as a contact sensor by switching the sensitivity of the proximity sensor 560 from “high sensitivity” to “low sensitivity” when the finger approaches. Yes.
- the control unit 556 sets the sensitivity of the proximity sensor 560 to “high” so that the electrostatic switch 560 functions as a “proximity sensor”.
- the function as “proximity sensor” is “valid”. For this reason, since the control unit 556 does not cause the proximity sensor 560 to function as a “contact sensor”, the proximity sensor 560 opens (opens) the left door 21 and the right door 22, which are the original functions of the door opening operation units 551 and 552. “Door operation” is “invalid”.
- the proximity sensor 560 controls the approach of the finger of the hand. 556 is notified.
- the control unit 556 switches the sensitivity of the proximity sensor 560 from “large” to “small” and sets it.
- the control unit 556 switches the lighting display of the proximity sensor 560 from the off state to the on state, and the position of the proximity sensor 560 can be clearly indicated by the LED 577.
- the user can securely touch the proximity sensor 560 with a finger while visually confirming the position of the proximity sensor 560. Since the control unit 56 causes the proximity sensor 560 to function as a “contact sensor”, which is the original function, the opening operation (opening operation) of the left door 21 or the right door 22 is performed by touching the proximity sensor 560 with a finger. "validate.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560, For example, it is detected that a person's hand or finger approaches a range of about 100 mm in the front direction (forward direction) of the door 22.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560, is restricted so as not to expand in the vertical direction and the horizontal direction by disposing the guard electrode 570.
- the left door 21 has a locus indicated by an arrow 21M.
- the finger is brought close to the proximity sensor 560 of the left door 21 so as to open along, the finger can be prevented from being detected by the proximity sensor 560 of the closed right door 22.
- the finger is brought close to the proximity sensor 560 of the right door 22 so as to open the right door 22 along the locus indicated by the arrow 22M, the finger is not detected by the proximity sensor 560 of the closed left door 21. can do.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the right door 22, does not enter the locus when the left door 21 as the moving means is opened.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the left door 21, does not enter the trajectory when the right door 22 as the moving means is opened.
- the right sensor 22 or the proximity sensor 560 of the left door 21 that is closed without being opened does not prepare the user's finger or the left door 21 or the right door 22. It is possible to prevent erroneous detection.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the left door 21, and the electromagnetic field 560P, which is the effective range of the human body detection range of the proximity sensor 560 of the right door 22, are the drawer type door 23. Do not enter the path when opening.
- the proximity sensor 560 of the left door 21 and the proximity sensor 560 of the right door 22 inadvertently detect the user's finger or the drawer-type door 23 inadvertently. Can be prevented.
- the size of the guard electrode 570 shown in FIGS. 51 and 52 can be set to 30 mm ⁇ 30 mm or more in vertical and horizontal sizes, for example.
- the size of the guard electrode 570 in this way, when the user tries to open the left door 21 or the right door 22 by touching the proximity sensor 560 with the elbow instead of the finger, for example, the elbow approaches The sensor 560 and the guard electrode 570 can be prevented from touching at the same time. Thereby, the user can open the left door 21 or the right door 22 with a finger or an elbow.
- FIG. 55 is a diagram illustrating an example of a storage structure of the substrate 553 in the left door 21 and the right door 22.
- 55A is a front view of the left door 21 and the right door 22
- FIG. 55B is an inner end surface portion 21T of the left door 21 showing the storage structure of the substrate 553 (the inner end surface portion of the right door 22).
- 22T is a perspective view showing a structure.
- FIG. 55C is a diagram illustrating an example of the lid member 590.
- FIG. 55 (a) when the left door 21 and the right door 22 are closed, the inner end surface portion 21T of the left door 21 and the inner end surface portion 22T of the right door 22 face each other.
- a rectangular opening 586 of the storage space member 585 is positioned, and the storage space member 585 of the board assembly 500M is positioned inside the left door 21 and the right door 22.
- the board assembly 500M is inserted and stored in the storage space member 585 from the opening 586.
- the opening portion 586 is closed by the lid member 590 after the substrate assembly 500M is accommodated.
- a metal body 591 such as an aluminum foil tape or an iron plate is disposed on the inner surface of the lid member 590.
- the metal body 591 is a changing unit that changes the effective range of the detection range of the proximity sensor 560 by limiting the electromagnetic field as the effective range of the human body detection range generated by the proximity sensor 560.
- the metal body 591 as the effective range changing means of the detection range is disposed between the left door 21 and the right door 22 which are adjacent moving means.
- the metal body 591 blocks the electromagnetic field between the left door 21 and the right door 22. Therefore, the electromagnetic field of the proximity sensor 560 of the left door 21 and the electromagnetic field of the guard electrode 570 do not affect the electromagnetic field side of the proximity sensor 560 and guard electrode 570 of the right door 22. Further, the electromagnetic field from the proximity sensor 560 of the right door 22 and the electromagnetic field of the guard electrode 570 do not affect the electromagnetic field side of the proximity sensor 560 and guard electrode 570 of the left door 21.
- the proximity sensor 560 detects that the finger is approaching the proximity sensor 560.
- 54 receives signal SG indicating that the finger is approaching proximity sensor 560.
- the control unit 556 stops the energization of the guard electrode 570 by the signal SG from the proximity sensor 560, and the control unit 556 decreases the sensitivity of the proximity sensor 560 from “high sensitivity” to “low”. Change to "Sensitivity”. In addition, the control unit 556 lights the LED 577 to illuminate the proximity switch 560, thereby clearly indicating the position of the proximity switch 560 so that the user can visually confirm the position of the proximity switch 560.
- the low-sensitivity proximity sensor 560 functions as a touch switch (contact switch) for opening the left door 21, and the finger is moved to the control unit 556 in FIG.
- the contact signal SH that has been touched is sent.
- the control unit 556 validates the opening operation of the left door 21 and the control unit 556 operates the door opening drive unit 54, so that the left door 21 can be opened.
- the control unit 556 can automatically open the left door 21 or the right door 22.
- the control unit 556 causes the proximity sensor 560 to function as a touch sensor (contact sensor) and “opens” the opening operation of the left door 21, whereby the left door 21. Open the door.
- a touch sensor contact sensor
- the control unit 556 When the user carelessly touches both the proximity sensor 560 and the guard electrode 570 shown in FIG. 51, the control unit 556 does not function the proximity sensor 560 as a contact sensor and opens the left door 21. By disabling the door operation, the left door 21 is not opened. As a result, when the user's elbow or the like carelessly touches both the proximity sensor 560 and the guard electrode 570, the control unit 556 sets the opening operation of the left door 21 to “invalid” and sets the left door 21 The door opening operation can be prohibited. Moreover, even when water droplets adhere to both the proximity sensor 560 and the guard electrode 570 shown in FIGS. 54 and 51, the control unit 556 does not function the proximity sensor 560 as a contact sensor, and opens the left door 21. By making the operation “invalid”, the opening operation of the left door 21 is not performed. The prohibition of the opening operation described above is the same for the right door 22.
- the double-open left door 21 and the right door 22 having the glass front plates 21A and 22A each have an electrostatic touch type contact sensor. It is used as a proximity sensor 560 that detects that a human finger or the like has approached. As shown in FIG. 51, on the substrate 553, a guard electrode 570 is disposed around the proximity sensor 560 that is an electrode for electrostatic touch so as to surround the proximity sensor 560 with a space therebetween.
- the guard electrode 570 is a detection range effective range changing means for changing the effective range of the human body detection range of the proximity sensor 560 when the human body approaches.
- the guard electrode 570 generates an electromagnetic field in a direction opposite to the electromagnetic field generated when the proximity sensor 560 detects the proximity of the human body.
- the guard electrode 570 restricts the electromagnetic field generated when the proximity sensor 560 detects the proximity of the human body in the vertical direction and the horizontal direction, and as shown in FIGS. 49 and 50, The range of the electromagnetic field for proximity detection generated by 560 is limited. Therefore, the electromagnetic field 560P (proximity detection range) generated by the proximity sensor 560 can be limited only to the front front direction of the proximity sensor 560.
- the proximity sensor 560 of the right door 22 is prevented from being erroneously detected by opening and closing the left door 21, and the right door By opening and closing the door 22, it is possible to prevent the proximity sensor 560 of the left door 21 from being erroneously detected.
- the proximity sensor of the door inadvertently detects the human body or object inadvertently. You can prevent it.
- FIG. 56 is a front view of the refrigerator 1 showing the thirty-first embodiment.
- a pair of left door 21 and right door 22 covers the front opening of the refrigerator compartment 12 of the refrigerator 1 so that it can be opened and closed.
- the left door 21 and the right door 22 are attached so that the left and right ends of the cabinet 11 that is the refrigerator main body are opened and closed in a double-opening manner at the hinges.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion, thereby providing vacuum heat insulation.
- This is a heat insulating structural member in which a foamed polyurethane heat insulating material (hereinafter also simply referred to as a urethane heat insulating material) or a pre-molded solid heat insulating material (for example, EPC) is disposed in a hollow portion that cannot be filled with a material.
- a pair of door opening operation portions 651 and 652 are installed in the vicinity of the lower side of the back side of the front plate 21A of the left door 21 and the front plate 22A of the right door 22, respectively.
- the opening operation units 651 and 652 can be touch-operated from the front surface of the front plate 21A by the user's fingers.
- the opening operation unit 651 includes a capacitive proximity sensor 607 and a capacitive touch button electrode 633.
- the opening operation unit 652 includes a capacitance type proximity sensor 608 and a capacitance type touch button electrode 633.
- the proximity sensor 607 is disposed above the touch button electrode 633, and the proximity sensor 608 is disposed above the touch button electrode 633.
- a capacitance type control operation unit 650 for operating the refrigerator by a touch operation from the front of the front plate 21A with a user's finger is installed.
- the control operation unit 650 includes, for example, an infrared light receiving unit for detecting an environmental condition around the refrigerator, a control button (control switch) 650CS, a home button (home switch) 650HS, and a touch on the home button 650HS.
- an LED indicator for transparently displaying button names, cooling function names, cooling intensity, etc.
- a 7-segment LED display device for transparently displaying changing numerical values such as temperature values, and the like.
- the door opening drive portions 54 and 55 are located at the left and right locations near the front end of the top surface of the top plate of the cabinet 11 and correspond to the vicinity of the open side end portions of the upper sides of the left door 21 and the right door 22. It is installed at each position.
- These door opening drive units 54 and 55 are door opening devices for forcibly opening the left door 21 and the right door 22 separately.
- the door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets, thereby pushing the upper sides near the open end portions of the left door 21 and the right door 22 forward, The right door 22 is forcibly automatically opened.
- the opening operation unit 651 including one proximity sensor 607 is disposed at the lower right position of the left door 21, and the opening operation unit 652 including the other proximity sensor 608 is the right door 22. It is arranged at the lower left position.
- the opening operation unit 651 including the proximity sensor 607 is disposed inside the glass front plate 21A of the left door 21, and the opening operation unit 652 including the proximity sensor 608 is the glass front plate 22A of the right door 22. Is placed inside.
- FIG. 57 shows a structural example in the vicinity of the opening operation portion 651 including the proximity sensor 607 in the left door 21 shown in FIG. 56 (or in the vicinity of the opening operation portion 652 including the proximity sensor 608 in the right door 22). It is sectional drawing in the V1 line.
- a structural example in the vicinity of the door opening operation unit 652 shown in FIG. 56 is the same as the structural example in the vicinity of the door opening operation unit 651 shown in FIG.
- a shielding sheet material 621 is disposed on the inner surface side of the glass front plates 21A and 22A by printing or the like.
- the sheet material 621 is arranged to prevent the inside from being seen through the front plates 21A and 22A.
- the first substrate 631 and the second substrate 632 are arranged in parallel to the front plates 21A and 22A at intervals on the inner surfaces of the front plates 21A and 22A.
- a proximity sensor 607 (or proximity sensor 608) and a connector 629 are disposed on the back surface of the first substrate 631 disposed on the front side, and a plurality of capacitive touch buttons (electrodes) are disposed on the surface of the first substrate 631. 633 is arranged. A plurality of through holes 634 are formed in the first substrate 631, and each hole 634 is disposed at a back position corresponding to the touch button 633.
- the proximity sensors 607 and 608 are microcomputers having a proximity sensor function.
- a plurality of LEDs 635 and connectors 636 are disposed on the surface of the second substrate 632 disposed on the rear side of the first substrate 631.
- the connector 636 of the second substrate 632 is connected to the connector 629 of the first substrate 631 by a relay bundle wire 628.
- Each LED 635 is disposed at a position facing each hole 634 of the first substrate 631.
- the illumination light LLT generated by each LED 635 can illuminate the touch button 633 from the back toward the front plate 21A (22A) through each hole 634.
- the user can visually confirm the position of the proximity sensor 607 (608) and the position of each touch button 633 through the front plate 21A (or the front plate 22A) and the sheet material 621.
- FIG. 58 is a cross-sectional view taken along line V2-V2 of the control operation unit 650 shown in FIG.
- a shielding sheet material 621 is disposed on the inner surface side of the glass front plate 21A by printing or the like.
- the sheet material 621 is arranged to prevent the inside from being seen through the front plate 21A.
- An operation name plate 661, a diffusion film 662, a transparent electrode 663, and a substrate 664 are disposed inside the front plate 21A.
- An operation name plate 661, a diffusion film 662, and a transparent electrode 663 are arranged in parallel in this order from the front plate 21A toward the substrate 664.
- the diffusion film 662 diffuses the illumination light LLS generated by the plurality of LEDs 665 mounted on the substrate 664 to the front plate 21A side.
- a plurality of LEDs 665, a light guide shielding plate 666, and a flexible printed circuit board connector 667 are mounted on the surface of the substrate 664.
- the connector 667 is connected to the transparent electrode 663 by a flexible printed circuit board 668.
- Each LED 665 is disposed between the adjacent shielding plates 666, and the light LLS for illumination of each LED 665 is irradiated to the transparent electrode 663 side by the shielding plate 666, passes through the transparent electrode 663, and then diffuses. 662 diffuses into the front plate 21A. Accordingly, the user can visually confirm the position of the transparent electrode 663 through the front plate 21A and the sheet material 621.
- FIG. 59 is a block diagram showing electrical connections of the control unit 656, the control operation unit 650, the opening operation units 651 and 652, and the opening drive units 54 and 55 which are opening devices.
- control unit 656 is electrically connected to the control operation unit 650, the first substrate 631, the second substrate 632, and the door opening drive units 54 and 55.
- the position of the proximity sensor 607 (608) of the opening operation units 651 and 652 is determined as being in a dark environment. It is difficult to visually recognize the position of the touch button 633.
- An LED 635 is mounted on the back surface of the LED as illumination means for supplying illumination light.
- the capacitive proximity sensor 607 detects that a person is approaching. To do. Since the control unit 656 receives a signal from the proximity sensor 607 (or the proximity sensor 608) notifying that a person has approached, the illumination LED 635 is turned on by a command from the control unit 656.
- the user can easily recognize the position of the proximity sensor 607 (608) of the door opening operation units 651 and 652 and the position of the touch button 633 even in a dark environment, and easily touch the touch buttons 633 of the door opening operation units 651 and 652.
- the left door 21 (or the right door 22) can be opened.
- the control unit 656 receives a signal from the proximity sensor 607 (or the proximity sensor 608) to notify that a person is approaching.
- the LED 665 for illumination of the control operation unit 650 shown in FIG. 58 is turned on by a command from the unit 656.
- the user can easily operate the control operation unit 650 by visually recognizing the position of the control operation unit 650 even in a dark environment.
- the lighting brightness can be set in multiple stages.
- the control unit 656 in FIG. 59 causes the LED 635 to light slightly.
- the control unit shown in FIG. 656 turns on the LED 635 completely to increase the amount of light.
- the control unit 656 operates the door opening drive unit 54 (or the door opening drive unit 55) to open the left door 21 (right door 22). Yes.
- the LED 635 is completely lit from the low light. Therefore, the user can visually confirm that the opening operation has been established by changing the light amount, that is, preferably by increasing the light amount.
- the control operation unit 650 shown in FIG. 59 is operated, for example, for the user to change the cooling control content.
- the operation start time (lighting timing) for turning on the LED 665 of the control operation unit 650 shown in FIG. 58 is the operation start time (lighting timing) for turning on the LED 635 of the door opening operation units 651 and 652 shown in FIG. It can be set to be delayed by a predetermined delay time. That is, the timing of how the LED 665 lights up in the control operation unit 650 and the timing of how the LED 635 lights up in the door opening operation units 651 and 652 can be changed.
- the lighting timing of the LED 635 of the opening operation unit 651, 652 can be made earlier than the lighting timing of the LED 665 of the control operation unit 650.
- the lighting timing of the LED 665 of the control operation unit 650 may be earlier than the lighting timing of the LED 635 of the door opening operation units 651 and 652.
- the proximity sensor 607 detects that a person is approaching, not only the LED 635 of the door opening operation units 651 and 652, but also the LED 665 of the control operation unit 650 can be turned on.
- the positions of the proximity sensors 607 and 608 are arranged below the position of the control operation unit 650, and the proximity sensors 607 and 608 are operated to open the door. Arranged near the touch buttons 633 of the parts 651 and 652.
- the door opening operation unit 651 is moved by lowering the slight finger as it is. , 652 is easy to use for the user.
- FIG. 60 illustrates the control of the left door 21 when the finger touches the touch button 633 of the door opening operation unit 651 after the proximity sensor 607 of the left door 21 illustrated in FIG.
- the example of a mode that the operation part 650 and the door opening operation part 651 light is shown.
- the control unit 656 sets the sensitivity of the proximity sensor 607 to “high” and increases the sensitivity so that the proximity sensor 607 that is an electrostatic switch functions as a “proximity sensor”. Thus, the function as the “proximity sensor” is “valid”.
- control unit 656 sets the opening (opening operation) of the left door 21 which is a function of the touch button 633 of the opening operation unit 651 to “invalid”.
- control unit 656 sets the lighting display of the control operation unit 650 and the lighting display of the door opening operation unit 651 to the “off state” as indicated by a broken line.
- operation (door opening operation) function of the control switch (control button) 650CS and the home switch (home button) 650HS of the control operation unit 650 is “invalid”.
- FIG. 60B shows a state in which the finger HT is approaching the proximity sensor 607.
- the control unit 656 switches the sensitivity of the proximity sensor 607 as the “proximity sensor” from “large” to “small” and decreases the sensitivity. Lower the function.
- control unit 656 causes the touch button 633 of the door opening operation unit 651 to function, the opening operation (door opening operation) of the left door 21 when the finger HT touches the touch button 633 from the front surface of the front plate. )
- the function changes from “invalid” to “valid”.
- control unit 656 turns on the lighting display of the control operation unit 650 and the lighting display of the door opening operation unit 651 of the proximity sensor 607 as shown by the solid line, and the LED 635 shown in FIG.
- the LED 665 shown in 58 is slightly lit. That is, the LED 665 shown in FIG. 58 is slightly lit to illuminate the control operation unit 650 from behind, and the LED 635 shown in FIG. 57 is lit to illuminate the door opening operation unit 651 from behind. .
- the lighting display time is set to light only for a predetermined time, for example, 10 seconds. If the finger HT does not touch the touch button 633 of the door opening operation unit 651 during the 10 seconds, the LED 635 is again displayed. 665 may be turned off.
- the operation start point (lighting timing) at which the control unit 656 turns on the LED 665 of the control operation unit 650 shown in FIG. 58 is the operation start point (lighting timing) at which the LED 635 of the door opening operation unit 651 shown in FIG. It can be set to be delayed by a predetermined delay time. That is, the control unit 656 can change the timing of how the LED 665 of the control operation unit 650 shines and the timing of the LED 635 of the door opening operation unit 651.
- the lighting timing of the LED 635 of the door opening operation unit 651 can be made earlier than the lighting timing of the LED 665 of the control operation unit 650.
- the lighting timing of the LED 665 of the control operation unit 650 may be earlier than the lighting timing of the LED 635 of the door opening operation unit 651.
- control switch 650CS and the home switch 650HS of the control operation unit 650 are turned on and changed from “invalid” to “valid”.
- FIG. 60C shows a state in which the finger HT is in contact with the touch button 633 of the door opening operation unit 651.
- the control unit 656 maintains the proximity sensor 607 in the “small” state, which is the sensitivity as the “contact sensor”.
- the control unit 656 keeps the open operation (opening operation) function of the left door 21 that is the function of the touch button 633 of the opening operation unit 651 as “valid”.
- control button (control switch) 650CS and the home button (home switch) 650HS of the control operation unit 650 are turned on and “valid”, and thus can be operated.
- control unit 656 maintains the “ON state” of the lighting display of the control operation unit 650 and the lighting display of the door opening operation unit 651 of the proximity sensor 607 as indicated by a solid line.
- the light amount of the lighting display of the control operation unit 650 and the light amount of the lighting display of the door opening operation unit 651 are increased from the fine lighting, and the complete lighting with the larger light amount is performed. Let it glow.
- the LED 635 increases the light amount from the low lighting to the complete lighting.
- the user can visually confirm that the opening operation has been established by increasing the lighting amount.
- the user can more reliably visually recognize the display of the control operation unit 650 and the display of the door opening operation unit 651, and can increase the energy saving effect of power consumption.
- the amount of light at the time of lighting can be changed and increased as described above.
- FIG. 60D shows a state where the finger HT of the user's hand is separated from the touch button 633 of the door opening operation unit 52.
- the control unit 656 performs the door opening control of the corresponding left door 21 by operating the door opening driving unit 54 by enabling the input of the operation signal from the touch button 633 of the door opening operation unit 651. .
- the left door 21 can be opened automatically.
- control unit 656 maintains the “ON state” of the lighting display of the control operation unit 650 and the lighting display of the door opening operation unit 651 of the proximity sensor 607 as indicated by a solid line. Then, the operation functions of the control switch 650CS and the home switch 650HS of the control operation unit 650 are turned off and change from “valid” to “invalid”.
- the opening operation of the right door 22 using the opening operation portion 652 of the right door 22 shown in FIG. 56 is also performed in the same manner as the opening operation of the left door 21 described with reference to FIG. Can do.
- the control unit 656 in FIG. 59 can preferably change the lighting color when the LED 635 is lit. it can. That is, when the proximity sensor 607 (or the proximity sensor 608) detects that a person is approaching, the control unit 656 of FIG. 59 turns on the LED 635 with the first emission color, for example, blue. When the user touches the touch buttons 633 of the door opening operation units 651 and 652 with the finger to open the left door 21 (or the right door 22), the control unit 656 in FIG. The LED 635 is lit in the second emission color, for example, red.
- control unit 656 operates the door opening drive unit 54 (or the door opening drive unit 55) to open the left door 21 (right door 22).
- the LED 635 is lit from red to blue. Therefore, the user can visually confirm that the opening operation has been established by changing the lighting color. Note that the types of the first emission color and the second emission color can be arbitrarily selected.
- the LEDs 635 and 665 blink, and when the finger HT is brought into contact with the touch button 633 shown in FIG. , 665 can be always lit. The user can visually confirm that the door opening operation has been established.
- the left door 21 and the right door 22 shown in FIG. 56 are provided in a double-opening manner, but when the left door 21 is open, the control unit 656 is a touch button of the opening operation unit 652 in the right door 22.
- the LED 635 633 may be constantly lit.
- the control unit 656 may cause the LED 635 of the touch button 633 of the opening operation unit 651 in the left door 21 to be constantly lit.
- FIG. 61 is a front view of the refrigerator 1 showing the thirty-second embodiment.
- 62 is a plan view of the refrigerator 1 shown in FIG. 61, and
- FIG. 63 is a side view of the refrigerator 1 shown in FIG.
- the pair of left door 21 and right door 22 cover the front opening of the refrigerator compartment 12 of the refrigerator 1.
- the left door 21 and the right door 22 are attached so that the left and right ends of the cabinet 11 that is the refrigerator main body are opened and closed in a double-opening manner at the hinges.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- This is a heat insulating structural member in which a foamed polyurethane heat insulating material (hereinafter also simply referred to as a urethane heat insulating material) or a pre-molded solid heat insulating material (for example, EPC) is disposed in a hollow portion that cannot be filled with a material.
- the opening operation sections 551 and 552 are installed near the lower side of the front plate 21A of the left door 21 and the front plate 22A of the right door 22, respectively.
- the door opening drive units 54 and 55 are respectively installed at positions corresponding to the vicinity of the open side end portion of the upper side of the left door 21 and the right door 22 at the left and right locations near the front end of the top surface of the cabinet 11. Yes.
- These door opening drive units 54 and 55 are door opening devices that forcibly open the left door 21 and the right door 22 separately.
- the door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets, thereby pushing the upper sides near the open end portions of the left door 21 and the right door 22 forward, The right door 22 is forcibly automatically opened.
- one opening operation portion 551 is disposed at the lower right position of the left door 21, and the other opening operation portion 552 is disposed at the lower left position of the right door 22.
- the opening operation unit 551 is disposed inside the glass front plate 21 ⁇ / b> A of the left door 21, and the door opening operation unit 552 is disposed inside the glass front plate 22 ⁇ / b> A of the right door 22.
- a capacitive control operation unit 650 for operating the refrigerator by a touch operation from the front of the front plate 21A is installed by a user's finger.
- the control operation unit 650 is disposed at the upper position of the opening operation unit 551 in the left door 21.
- the control operation unit 650 includes, for example, an infrared light receiving unit for detecting an environmental condition around the refrigerator, a control button (control switch) 650CS, a home button (home switch) 650HS, and a touch on the home button 650HS.
- an LED indicator for transparently displaying button names, cooling function names, cooling intensity, etc.
- a 7-segment LED display device for transparently displaying changing numerical values such as temperature values, and the like.
- FIG. 64 shows a structural example of the substrate 553 of the door opening operation portion 551 shown in FIG.
- FIG. 65 is a diagram showing the proximity sensor 560 and the guard electrode 570 arranged on the substrate 553 of the door opening operation portion 551 shown in FIG.
- FIG. 66 is an exploded perspective view showing a structural example of the door opening operation portion 551.
- FIG. 61 Although the door opening operation part 551 and the door opening operation part 552 shown in FIG. 61 have the same structure, they are symmetrical. 64 shows an example of the shape of the substrate 553 of the door opening operation portion 551. Since the door opening operation portion 552 and the door opening operation portion 551 have substantially the same shape, see FIGS. 64 to 66. Then, the substrate 553 of the door opening operation unit 551 will be described as a representative.
- the opening operation unit 551 includes a board assembly 500M, a plastic storage space member 585 called an open box for storing the board assembly 500M, and a plastic lid member 590.
- a plastic storage space member 585 called an open box for storing the board assembly 500M
- a plastic lid member 590 Have.
- On the back surface 585R of the plastic storage space member 585 for example, an aluminum foil which is preferably a metal body is pasted.
- a metal body 591 such as an aluminum foil is attached to the inner surface of the plastic lid member 590.
- the substrate assembly 500M includes a plastic shielding plate 599, a substrate 553, an operation name plate 597, and an LED substrate 598 on which a display LED 557 is mounted.
- the substrate 553 is an electrostatic touch switch substrate, and is fixed to the front side of the shielding plate 599.
- An operation nameplate 597 is disposed on the front side of the substrate 553.
- a display LED substrate 598 is fixed to the back side of the shielding plate 599.
- a plurality of LEDs 577 are mounted on the LED substrate 598.
- Left and right slits 574 and 575 are formed at positions corresponding to the substrate 553 and the operation nameplate 597.
- the board assembly 500M is stored in the storage space member 585 through an opening 586 that is a rectangular insertion port of the storage space member 585.
- An opening 586 of the storage space member 585 is covered with a lid member 590.
- the substrate 553 of the opening operation portion 551 is rectangular or square, and the substrate 553 has a front surface 553A shown in FIG. 64 (a) and a back surface shown in FIG. 64 (b). 553B.
- the substrate 553 is provided with an electronic component mounting portion 571 and an arrangement portion 572 for the proximity sensor 560 and the guard electrode 570.
- the electronic component mounting portion 571 on the back surface 553B side shown in FIG. 64 (b) has a first step portion 553M and a second step portion 553N at the lower end portion.
- the lower end portion of the electronic component mounting portion 571 on the back surface 553B side is formed in a step shape.
- two connector parts CC1 and CC2 and an electronic part such as a microcomputer are mounted on the mounting part 571 of the electronic part on the back surface 553B side.
- the connector component CC1 is disposed on the first step portion 553M
- the connector component CC2 is disposed on the second step portion 553N.
- the connector part CC1 and the connector part CC2 are not horizontally arranged, and the position where the connector part CC1 is attached to the back surface 553B of the board 553 of the connector part CC1 is attached to the back face 553B of the board 553 of the connector part CC2. It is a lower position in the Z direction (up and down direction) compared to the position that is provided.
- the connector component CC1 is disposed along the first step portion 553M
- the connector component CC2 is disposed along the second step portion 553N.
- the connector parts CC1 and CC2 can be easily attached and detached using a tool when the connector parts CC1 and CC2 are removed or attached during maintenance.
- the connector parts CC1 and CC2 are shifted with respect to the vertical direction, the water due to condensation is likely to flow down between the connector parts CC1 and CC2, so the water due to condensation at the connector parts CC1 and CC2. Can be prevented from accumulating.
- the connector parts CC1 and CC2 are separated from the back surface of the board, the connector parts CC1 and CC2 are not wetted even when water is accumulated in the storage portion.
- two connector parts CC1 and CC2 and an electronic component are mounted on the electronic component mounting portion 571 on the back surface 553B side of the substrate 553 so that the electronic component is not mounted on the front surface 553A of the substrate 553. It has become.
- the electronic component include a noise removing capacitor, a signal processing capacitor, a transistor, and a microcomputer. As described above, since the electronic component is arranged not on the front surface 553A of the substrate 553 but on the back surface 553B side, as shown in FIG. 66, the inner surface of the operation name plate 597 is not affected by the electronic component, and the surface of the substrate 553 It can be placed in close contact with 553A.
- the two connector parts CC1 and CC2 are arranged on the electronic part mounting portion 571 on the back surface 553B side of the substrate 553, the connector parts CC1 and CC2, the proximity sensor 560, and the guard electrode 570 are arranged apart from each other. This prevents noise from the connector parts CC1 and CC2 from affecting the proximity sensor 560 and the guard electrode 570.
- a disposition portion 572 on the surface 553A side of the substrate 533 shown in FIG. 64A includes a proximity sensor 560 that is a first electrode, a guard electrode 570 that is a third electrode, and an intermediate region that is a second electrode.
- a portion 589 is disposed.
- the proximity sensor 560 is located at the center of the placement portion 572, and the guard electrode 570 is located at the outermost side of the placement portion 572.
- the intermediate region portion 589 is provided between the proximity sensor 560 and the guard electrode 570.
- the proximity sensor 560, the guard electrode 570, and the intermediate region portion 589 are metal electrodes, but are electrically insulated from each other.
- the intermediate region portion 589 serving as the second electrode assists the proximity sensor 560 and has a function as a proximity sensor.
- the guard electrode 570 changes the effective range of detection by the proximity sensor 560.
- the proximity sensor 560 is not composed of a plurality of electrodes, but is composed of a single rectangular electrode. Thereby, the user can
- a mesh ground pattern 573 as a fourth electrode is disposed on the back surface 553B corresponding to the arrangement portion 572 of the substrate 553. Accordingly, the ground pattern 573 prevents noise from the refrigerator main body from affecting the electromagnetic field generated by the proximity sensor 560 and the electromagnetic field generated by the guard electrode 570.
- a through hole 560C is formed at the center of the proximity sensor 560.
- a conductive wire pattern 560H is connected to the through hole 560C as shown in FIG. 64 (b).
- the conductive wire pattern 560H is connected to the through hole 560C through the connecting portion 560A.
- Conductive pattern 560H is arranged through the back side portion of connecting portion 560A, which is a place other than slits 574 and 575. This connecting portion 560A will be described later.
- the through hole 560C is formed at a position in the middle of the proximity sensor 560. Yes.
- the through hole 560C is formed at the center position of the proximity sensor 560 for the following reason. That is, in the proximity sensor 560, the central area where the through hole 560C is formed has the highest switch sensitivity compared to the other areas. For this reason, the user's finger presses the middle of the proximity switch 560 having the through-hole 560C so that the finger can touch the most sensitive place.
- the proximity sensor 560 shown in FIGS. 64 and 65 is an electrode for electrostatic touch (contact), and is about 100 mm in the front (front) direction of the left door 21 and the right door 22 shown in FIGS. 62 and 63, for example. It is a capacitance type detection means for detecting that a human body or an object is approaching.
- the proximity sensor 560 detects the approach of a finger when a part of the user's human body, specifically, for example, a finger of a hand approaches.
- the proximity sensor 560 is a capacitive touch sensor, but a mutual capacitance touch sensor or a self-capacitance touch sensor can be used.
- the mutual capacitance method is composed of one transmission electrode and one reception electrode.
- a current is supplied to the transmission electrode, an electromagnetic field is generated and the electromagnetic field is received by the reception electrode.
- a part of the electromagnetic field is absorbed and received by the reception electrode, so that the amount of detected energy is reduced, and the proximity sensor 560 approaches the finger. Can be detected.
- the self-capacitance method requires one electrode (proximity sensor 560) having stray capacitance.
- the stray capacitance of the electrode (proximity sensor 560) is affected by the parasitic capacitance between the electrode (proximity sensor 560) and the surrounding conductor (human finger).
- the proximity sensor 560 can detect the approach of the finger by measuring the increased stray capacitance.
- the proximity sensor 560 is, for example, a rectangular switch that is long in the vertical direction, and slits 574 and 575 are formed around the proximity sensor 560 so as to surround the electrode. Has been. That is, the slits 574 and 575 are formed along the Z direction so as to surround the proximity sensor 560. Thereby, the position of the proximity sensor 560 is easily understood by providing the slits 574 and 575. As shown in FIG. 65, the slits 574 and 575 are covered with a transparent film body 576, for example, and the transparent film body 576 is provided with a plurality of LEDs 577 which are light emitting elements functioning as an illumination device. Has been placed.
- the four LEDs 577 corresponding to the four corners 576R of the slits 574 and 575 among the plurality of LEDs 577 are arranged at positions outside the slits 574 and 575. In this way, the illumination light generated by the four LEDs 577 corresponding to the four corners 576R can be irradiated without causing a shadow on the slits 574 and 575.
- one end portion of the proximity sensor 560 is connected to the arrangement portion 572 by a connection portion 560A, and the other end portion of the proximity sensor 560 is connected to the arrangement portion 572 by a connection portion 560B.
- These connecting portions 560A and 560B are connected so as to connect the proximity sensor 560 and the intermediate region portion 589 which is the peripheral portion thereof, and are also referred to as “bridges”.
- the connecting portions 560A and 560B are provided avoiding the positions other than the place where the LED 577 is disposed. Accordingly, the connecting portions 560A and 560B do not disturb the illumination light of the LED 577.
- a through hole 560C for electrical connection is formed in the center of the proximity sensor 560.
- the through hole 560C is formed in the central portion of the proximity sensor 560 as described above because the region portion of the proximity sensor 560 provided with the through hole 560C has a detection sensitivity compared to other region portions. high. Since the region where the user's finger is in close contact is the central portion of the proximity sensor 560, the through hole 560C is provided in the central portion of the proximity sensor 560.
- the guard electrode 570 is formed in a rectangular frame shape around the proximity sensor 560 and the intermediate region portion 589 in the arrangement portion 572.
- the guard electrode 570 is a metal body and includes a pair of short side electrode portions 570A and a pair of long side electrode portions 570B.
- the guard electrode 570 generates an electromagnetic field in a direction opposite to the electromagnetic field generated by the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is suppressed from being spread by the electromagnetic field in the opposite direction generated by the guard electrode 570. Therefore, the electromagnetic field generated by the guard electrode 570 suppresses the spread of the electromagnetic field 560P generated by the proximity sensor 560, so that the guard electrode 570 changes the effective range of the human body detection range. Acts as a means of change.
- the guard electrode 570 changes the effective range of the detection range of the proximity sensor 560 by narrowing and changing the detection range of the proximity sensor 560 when detecting the approach of a finger of a human body, for example. Specifically, as a result of the guard electrode 570 changing the effective range of the detection range of the proximity sensor 560, as shown in FIG. 62, the electromagnetic field 560P generated by the proximity sensor 560 of the opening operation portion 551 of the left door 21 is shown. Is guided only in the front front direction of the proximity sensor 560. Similarly, the electromagnetic field 560P generated by the proximity sensor 560 of the door opening operation unit 552 of the right door 22 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is narrowed so as not to expand in the X direction, which is the left-right direction.
- the electromagnetic field 560P generated by the proximity sensor 560 of the opening operation unit 551 of the left door 21 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 of the door opening operation unit 552 of the right door 22 is guided only in the front front direction of the proximity sensor 560.
- the electromagnetic field 560P generated by the proximity sensor 560 is narrowed so as not to expand in the Z direction, which is the vertical direction.
- the electromagnetic field 560P of the proximity sensor 560 shown in FIGS. 62 and 63 indicates the effective range of the human body detection range, and the effective range of the human body detection range is different from the front of the proximity sensor 560. It corresponds to a range different from the range (range extending up and down and left and right).
- FIG. 67 is a block diagram showing electrical connections of the control unit 556, the door opening operation units 551 and 552, and the door opening drive units 54 and 55 which are door opening devices.
- control unit 556 is electrically connected to the proximity sensor 560 and the guard electrode 570 of the door opening operation units 551 and 552, the door opening driving units 54 and 55, and the LED 577 serving as a plurality of lighting devices. Has been.
- the proximity sensor 560 is held in a “high sensitivity” state under the control of the control unit 556.
- the control unit 556 in FIG. 67 sends a signal SG indicating that the finger is approaching the proximity sensor 560 from the proximity sensor 560. To receive.
- 67 receives signal SG from proximity sensor 560, determines that the finger has approached proximity sensor 560, stops energization of guard electrode 570, and proximity sensor 560.
- the sensitivity is changed from “High sensitivity” to “Low sensitivity”.
- the control unit 556 turns on the LED 577 to illuminate the vicinity of the proximity switch 560, so that the position of the proximity switch 560 is raised by illumination.
- the user can visually confirm the position of the proximity switch 560.
- the proximity sensor 560 When the finger touches the proximity sensor 560 from a state where the finger is close to the proximity sensor 560, the proximity sensor 560 functions as a contact switch, and the proximity sensor 560 makes contact with the control unit 556 when the finger contacts the proximity sensor 560.
- the control unit 556 causes the proximity sensor 560 to function as a contact sensor, for example, enables the opening operation of the left door 21, and the control unit 56 operates the door opening driving unit 54 to operate the left door 21.
- the door opening operation can be actually performed.
- the operation procedure described above is the same for the right door 22.
- the user touches the position of the proximity switch 560 disposed inside the glass surface of the left door 21 or the right door 22 while visually confirming with the help of illumination by the LED 577, and the left door 21 or the right door is touched.
- the door 22 can be opened.
- the control unit 556 causes the proximity sensor 560 to function as a contact sensor by switching the sensitivity of the proximity sensor 560 from “high sensitivity” to “low sensitivity” when the finger approaches. Yes.
- the control unit 556 sets the sensitivity of the proximity sensor 560 to “high” so that the electrostatic switch 560 functions as a “proximity sensor”.
- the function as “proximity sensor” is “valid”. For this reason, since the control unit 556 does not cause the proximity sensor 560 to function as a “contact sensor”, the proximity sensor 560 opens (opens) the left door 21 and the right door 22, which are the original functions of the door opening operation units 551 and 552. “Door operation” is “invalid”.
- the proximity sensor 560 controls the approach of the finger of the hand. 556 is notified.
- the control unit 556 switches the sensitivity of the proximity sensor 560 from “large” to “small” and sets it.
- the control unit 556 switches the lighting display of the proximity sensor 560 from the off state to the on state, and the position of the proximity sensor 560 can be clearly indicated by the LED 577.
- the user can securely touch the proximity sensor 560 with a finger while visually confirming the position of the proximity sensor 560. Since the control unit 56 causes the proximity sensor 560 to function as a “contact sensor”, which is the original function, the opening operation (opening operation) of the left door 21 or the right door 22 is performed by touching the proximity sensor 560 with a finger. "validate.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560, For example, it is detected that a person's hand or finger approaches a range of about 100 mm in the front direction (forward direction) of the door 22.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560, is restricted so as not to expand in the vertical direction and the horizontal direction by disposing the guard electrode 570.
- the left door 21 has a locus indicated by an arrow 21M.
- the finger is brought close to the proximity sensor 560 of the left door 21 so as to open along, the finger can be prevented from being detected by the proximity sensor 560 of the closed right door 22.
- the finger is brought close to the proximity sensor 560 of the right door 22 so as to open the right door 22 along the locus indicated by the arrow 22M, the finger is not detected by the proximity sensor 560 of the closed left door 21. can do.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the right door 22, does not enter the locus when the left door 21 as the moving means is opened.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the left door 21, does not enter the trajectory when the right door 22 as the moving means is opened.
- the right sensor 22 or the proximity sensor 560 of the left door 21 that is closed without being opened does not prepare the user's finger or the left door 21 or the right door 22. It is possible to prevent erroneous detection.
- the pull-out type door 23 as the moving means is pulled out in the arrow direction.
- the electromagnetic field 560P which is the effective range of the human body detection range of the proximity sensor 560 of the left door 21, and the electromagnetic field 560P, which is the effective range of the human body detection range of the proximity sensor 560 of the right door 22, are the drawer type door 23. Do not enter the path when opening.
- the proximity sensor 560 of the left door 21 and the proximity sensor 560 of the right door 22 inadvertently detect the user's finger or the drawer-type door 23 inadvertently. Can be prevented.
- the guard electrode 570 is a metal body, and includes a pair of short side electrode portions 570A and a pair of long side electrode portions 570B.
- the guard electrode 570 detects a change in capacitance due to moisture.
- the control unit 556 shown in FIG. 67 invalidates the door opening operation of the door opening drive units (door opening devices) 54 and 55 by the proximity sensor 560.
- the guard electrode 570 detects moisture when the user wipes the surface of the front plate 21A of the left door 21 or the front plate 22A of the right door 22 with a wet cloth
- the proximity sensor 560 is detected.
- the control unit 556 shown in FIG. 67 sets the door opening operation of the door opening drive units (door opening devices) 54 and 55 by the proximity sensor 560 to “invalid”.
- the left door 21 or the right door 22 is prevented from being opened without permission.
- the left door 21 or the right door 22 is prevented from being opened carelessly.
- the control unit 556 “invalidates” the door opening operation of the door opening drive units (door opening devices) 54 and 55 by the proximity sensor 560. To do. Furthermore, when the user touches the proximity sensor 560 at the same time as the user touches the guard electrode 570 with the finger, the control unit 556 “invalidates” the door opening operation of the door opening drive units (door opening devices) 54 and 55 by the proximity sensor 560. To do.
- a control operation unit 650 is provided inside the front plate 21A of the left door 21, and a door operation unit 551 is provided below the control operation unit 650. Accordingly, the short-side electrode portion 570A of the guard electrode 570 of the door opening operation unit 551 is disposed at a position between the control operation unit 650 and the proximity sensor 551 of the door opening operation unit 551. The short side electrode portion 570A is also shown in FIGS.
- the control operation unit 650 when the user wipes the control operation unit 650 on the surface of the front plate 21A of the left door 21 with a wet cloth, the water hangs along the front plate 21A and reaches the guard electrode 570.
- the short-side electrode portion 570A of the guard electrode 570 detects moisture, even if the proximity sensor 560 senses a wet cloth and turns on, the control unit 556 shown in FIG.
- the opening operation of the opening drive unit (door opening device) 54 By making the opening operation of the opening drive unit (door opening device) 54 by 560 “invalid”, the left door 21 is prevented from being opened without permission. This prevents the left door 21 from being opened carelessly.
- the lateral electrode gap interval HF and the vertical electrode gap interval RF of the guard electrode 570 shown in FIG. 65 are larger than the width MF of the human finger HT.
- the electrode gap interval HF in the horizontal direction and the electrode gap interval RF in the vertical direction of the guard electrode 570 can be selected preferably in the range of 15 mm to 75 mm. Accordingly, it is possible to prevent the finger HT from inadvertently touching the guard electrode 570 when the user touches the finger HT close to the proximity sensor 560.
- the horizontal electrode gap interval HF and the vertical electrode gap interval RF of the guard electrode 570 are such that the guard electrode 570 is not touched even when a bent elbow of the human body hits.
- the electrode gap interval HF in the horizontal direction and the electrode gap interval RF in the vertical direction of these guard electrodes 570 can be selected within a range of 30 mm to 75 mm, for example.
- FIG. 68 is a diagram illustrating an example of a storage structure of the substrate 553 in the left door 21 and the right door 22.
- 68A is a front view of the left door 21 and the right door 22
- FIG. 68B is an inner end surface portion 21T of the left door 21 showing the storage structure of the substrate 553 (the inner end surface portion of the right door 22).
- 22T is a perspective view showing a structure.
- FIG. 68 (c) is a diagram illustrating an example of the lid member 590.
- FIG. 68 (a) when the left door 21 and the right door 22 are closed, the inner end surface portion 21T of the left door 21 and the inner end surface portion 22T of the right door 22 face each other.
- a rectangular opening 586 of the storage space member 585 is positioned, and the storage space member 585 of the board assembly 500M is positioned inside the left door 21 and the right door 22.
- the board assembly 500M is inserted and stored in the storage space member 585 from the opening 586.
- the arrangement portion 572 side of the board 553 is located on the lid member 590 side, The electronic component mounting portion 571 side is inserted into the opening portion 586 so that the electronic component mounting portion 571 side reaches the back side of the storage space member 585.
- the proximity sensor 560 and the guard electrode 570 are arranged on the surface of the substrate 553, the electronic component mounting portion 571 is provided on the back surface of the substrate 553, and the substrate 553 is held in the left door 21.
- the electronic component mounting portion 571 is located on the side opposite to the arrangement portion 572 of the substrate 553 located on the opening portion 586 side which is an insertion port.
- the operator visually determines the positions of the first step portion 553M and the second step portion 553N of the electronic component mounting portion 571. While checking, the board assembly 500M can be inserted into the storage space member 585, thus preventing the board assembly 500M from being inserted in the wrong insertion direction.
- the opening portion 586 is closed by the lid member 590 after the substrate assembly 500M is accommodated.
- a metal body 591 such as an aluminum foil tape or an iron plate is disposed on the inner surface of the lid member 590.
- the metal body 591 is a changing unit that changes the effective range of the detection range of the proximity sensor 560 by limiting the electromagnetic field as the effective range of the human body detection range generated by the proximity sensor 560.
- the metal body 591 as the effective range changing means of the detection range is disposed between the left door 21 and the right door 22 which are adjacent moving means.
- the metal body 591 blocks the electromagnetic field between the left door 21 and the right door 22. Therefore, the electromagnetic field of the proximity sensor 560 of the left door 21 and the electromagnetic field of the guard electrode 570 do not affect the electromagnetic field side of the proximity sensor 560 and guard electrode 570 of the right door 22. Further, the electromagnetic field from the proximity sensor 560 of the right door 22 and the electromagnetic field of the guard electrode 570 do not affect the electromagnetic field side of the proximity sensor 560 and guard electrode 570 of the left door 21.
- control unit 556 in FIG. 67 receives signal SG indicating that the finger is approaching proximity sensor 560.
- the control unit 556 stops the energization of the guard electrode 570 by the signal SG from the proximity sensor 560, and the control unit 556 decreases the sensitivity of the proximity sensor 560 from “high sensitivity” to “low”. Change to "Sensitivity”. In addition, the control unit 556 lights the LED 577 to illuminate the proximity switch 560, thereby clearly indicating the position of the proximity switch 560 so that the user can visually confirm the position of the proximity switch 560.
- the low-sensitivity proximity sensor 560 functions as a touch switch (contact switch) for opening the left door 21, and the finger is moved to the control unit 556 in FIG.
- the contact signal SH that has been touched is sent.
- the control unit 556 validates the opening operation of the left door 21 and the control unit 556 operates the door opening drive unit 54, so that the left door 21 can be opened.
- the control unit 556 can automatically open the left door 21 or the right door 22.
- the control unit 556 causes the proximity sensor 560 to function as a touch sensor (contact sensor) and “opens” the opening operation of the left door 21, whereby the left door 21. Open the door.
- a touch sensor contact sensor
- the control unit 556 when the user carelessly touches both the proximity sensor 560 and the guard electrode 570 shown in FIG. 64, the control unit 556 does not function the proximity sensor 560 as a contact sensor, and opens the left door 21. By disabling the door operation, the left door 21 is not opened. As a result, when the user's elbow or the like carelessly touches both the proximity sensor 560 and the guard electrode 570, the control unit 556 sets the opening operation of the left door 21 to “invalid” and sets the left door 21 The door opening operation can be prohibited.
- the control unit 556 does not function the proximity sensor 560 as a contact sensor, and opens the left door 21. By making the operation “invalid”, the opening operation of the left door 21 is not performed. The prohibition of the opening operation described above is the same for the right door 22.
- the proximity sensor of the door inadvertently detects the human body or object inadvertently. You can prevent it.
- the proximity sensor 560 shown in FIG. 64 detects the proximity of the user's finger HT, and the proximity sensor 560 functions as a contact sensor that detects the contact of the user's finger HT.
- the “mode” can be switched as follows.
- a proximity sensor 560 as a first electrode and an intermediate region portion 589 as a second electrode are connected to a microcomputer 599C of the control unit 556.
- the proximity sensor 560 When switching from the “proximity detection mode” to the “electrostatic touch mode”, if the proximity sensor 560 detects the proximity of the finger HT, the microcomputer 599C detects the proximity sensor 560 as the first electrode and the intermediate as the second electrode. Only the proximity sensor 560 functions as an electrostatic touch sensor in the “electrostatic touch mode” by disconnecting the internal connection with the region portion 589.
- the finger HT moves away from the proximity sensor 560 and a predetermined time, for example, 10 seconds elapses from the “electrostatic touch mode”, or the door
- a predetermined time for example, 10 seconds elapses from the “electrostatic touch mode”
- the microcomputer 599C makes an internal connection between the proximity sensor 560 as the first electrode and the intermediate region portion 589 as the second electrode.
- FIGS. 74 (a) and 74 (b) show a case where the left door 21 is opened by bringing the finger HT into contact with the proximity sensor 560 as the first electrode shown in FIGS. 51 and 52 in the thirty-second embodiment.
- the proximity sensor 560 as the first electrode and the intermediate region portion 589 as the second electrode are switched, and the control operation unit 650 and the proximity sensor 560 of the left door 21 are turned on. Yes.
- the situation is the same for the right door 22.
- the control unit 556 in order for the control unit 556 to function the proximity sensor 560 that is an electrostatic switch as a “proximity sensor”, the control unit 556 turns on the proximity sensor 560 and sets the sensitivity of the proximity sensor 560 to “high”. By setting and increasing the sensitivity, the function as “proximity sensor” is “valid”. Moreover, the function as the “proximity sensor” is “valid” by the control unit 556 turning on the intermediate region portion 589 and setting the sensitivity of the intermediate region portion 589 to “high” to increase the sensitivity. .
- control unit 556 sets the opening (opening operation) of the left door 21 which is a function of the touch button 633 of the opening operation unit 651 to “invalid”.
- control unit 556 sets the lighting display of the control operation unit 650 and the lighting display of the proximity sensor 560 to the “off state”.
- operation (door opening operation) function of the control switch (control button) 650CS and the home switch (home button) 650HS of the control operation unit 650 is “invalid”.
- FIG. 74B shows a state in which the finger HT is approaching the proximity sensor 560.
- the control unit 556 since the proximity sensor 560 detects the approach of the finger HT, the control unit 556 turns on the proximity sensor 560 and changes the sensitivity of the proximity sensor 560 from “large” to “small”. The sensitivity is lowered by switching to lower the function of the proximity sensor, but the intermediate region portion 589 is turned off.
- the control unit 556 causes the proximity sensor 560 to function as a contact sensor, the opening operation (opening) of the left door 21 by touching the proximity sensor 560 with the finger HT functioning as a contact sensor from the front panel is performed.
- the “door operation” function changes from “invalid” to “valid”.
- control unit 556 turns on the LED lighting display of the control operation unit 650 and the LED lighting display of the proximity sensor 560, and the LED lighting state is, for example, slightly lit. That is, when the LED 665 shown in FIG. 58 is slightly lit, the control operation unit 650 is illuminated and illuminated from behind, and when the LED 577 shown in FIG. 52 is lit slightly, the proximity sensor 560 that functions as a contact sensor is slit. Illuminated from behind through 574,575.
- the lighting display time is set to light for a predetermined time, for example, 10 seconds, and when the finger HT does not touch the proximity sensor 560 functioning as a contact sensor during the 10 seconds, The LEDs 635 and 577 may be turned off again.
- the operation start point (lighting timing) for turning on the LED 665 of the control operation unit 650 shown in FIG. 58 is compared with the operation start point (lighting timing) for turning on the LED 577 of the proximity sensor 560 shown in FIG. It can be set to be delayed by a predetermined delay time. That is, the control unit 556 can change the timing of how the LED 665 of the control operation unit 650 shines and the timing of how the LED 577 of the proximity sensor 560 shines. For example, the lighting timing of the LED 577 of the proximity sensor 560 can be made earlier than the lighting timing of the LED 665 of the control operation unit 650.
- the lighting timing of the LED 665 of the control operation unit 650 may be made earlier than the lighting timing of the LED 577 of the proximity sensor 560. By making the lighting timing different in this way, the position of the control operation unit 650 and the positions of the proximity sensor 560 and the intermediate area portion 589 can be distinguished and displayed for the user.
- control switch 650CS and the home switch 650HS of the control operation unit 650 are turned on and changed from “invalid” to “valid”.
- FIG. 74 (c) shows a state where the finger HT is in contact with the proximity sensor 560 functioning as a contact sensor.
- the control unit 556 maintains the “small” state, which is the sensitivity of the proximity sensor 560 as the “contact sensor”.
- the control unit 556 keeps the open operation (opening operation) function of the left door 21 that is a function of the proximity sensor 560 functioning as a contact sensor as “valid”.
- the control unit 556 changes the lighting state from the fine lighting to the normal lighting as the lighting state of the LED lighting display of the proximity sensor 560.
- the control operation unit 650 when the LED 665 shown in FIG. 58 is normally lit, the control operation unit 650 is illuminated and illuminated from behind, and the LED 577 shown in FIG.
- the functioning proximity sensor 560 is illuminated and illuminated through the slits 574 and 575 so as to be brighter from behind. That is, when the finger HT is touched in FIG. 74 (c), the light amount of the lighting display of the control operation unit 650 and the light amount of the lighting display of the proximity sensor 560 are increased from the fine lighting to the normal lighting, and the complete light amount is increased. By making it light by lighting, the lighting display of the proximity sensor 560 becomes brighter.
- the control unit 556 changes the light of the LED of the control operation unit 650 from normal lighting to normal lighting.
- control button (control switch) 650CS and the home button (home switch) 650HS of the control operation unit 650 are turned on and “valid”, and thus can be operated.
- the LED 577 is turned on from light to complete lighting to increase the amount of light. By the increase, it can be visually confirmed that the door opening operation has been established. Moreover, the user can more reliably visually recognize the display of the control operation unit 650 and the display of the LED 577, and can increase the energy saving effect of power consumption.
- the amount of light at the time of lighting can be changed and increased.
- FIG. 74D shows a state in which the finger HT of the user's hand is separated from the proximity sensor 560 functioning as a contact sensor.
- the control unit 556 performs the door opening control of the corresponding left door 21 by operating the door opening driving unit 54 by enabling the input of the operation signal from the proximity sensor 560. Thereby, the left door 21 can be opened automatically. Then, the control unit 556 “invalidates” the function of the proximity sensor 560 that functions as a contact sensor.
- control unit 556 maintains the “ON state” of the lighting display of the control operation unit 650 and the lighting display of the LEDs 577 in the slits 574 and 575 of the proximity sensor 560 as indicated by solid lines. Then, the operation functions of the control switch 650CS and the home switch 650HS of the control operation unit 650 are turned off and change from “valid” to “invalid”.
- the opening operation of the right door 22 using the opening operation portion 652 of the right door 22 shown in FIG. 56 is performed in the same manner as the opening operation of the left door 21 described with reference to FIG. Can do.
- FIG. 75 is a circuit diagram showing the principle that the proximity sensor 560 detects the contact of the finger HT.
- a proximity sensor 560 as a contact sensor (Cx), an adjustment capacitor (Cmod) 889, a clock generation source 890, an IDAC (current output digital analog converter) 891, and a latch 892. , A timer 893, an AND circuit 894, and a counter 895.
- the IDAC 891 causes the same current to flow through the proximity sensor (Cx) 560 and the adjustment capacitor (Cmod) 889 as a contact sensor a plurality of times each time, and the proximity sensor (Cx) 560 and the adjustment capacitor (Cmod) as a contact sensor. ) Accumulate charges in 889 little by little.
- the capacitance of the proximity sensor (Cx) 560 serving as the contact sensor increases, so that the charge that flows through the adjustment capacitor (Cmod) 889 is reduced. Therefore, since it takes time until the charge is completely accumulated in the adjustment capacitor (Cmod) 889, the number of pulses counted by the counter 895 is large (gradient slope), and as a result, the displacement of the slope changes. The presence / absence of a finger is determined from the difference in displacement of the tilt.
- the control unit 556 causes the finger HT to function as the contact sensor (Cx). It is determined that the proximity sensor 560 has been touched.
- the sensitivity becomes high when judging with the same threshold.
- the inclination In the state where the inclination is gentle (the current value is small), when detecting the state where the finger is in contact from the state where the finger is not in contact, the change of the inclination is large, and the threshold is easily exceeded, and the sensitivity is high. Further, in a state where the inclination is not gentle (the current value is large), when detecting a state where the finger is in contact from a state where the finger is not in contact, a change in the inclination is small, and the sensitivity is difficult to exceed the threshold value.
- the sensitivity is changed by the above-described sensitivity changing method.
- FIG. 76 is a diagram showing a basic structure of the proximity sensor.
- the proximity sensor 560 and the copper ground 569 are positioned between the covering layer 560R and the dielectric layer 560D, and the capacitance CP of the proximity sensor 560 itself and the capacitance CF of the finger HT. Is the capacitance CX of the proximity sensor 560 when a finger touches it.
- a change in the capacitance CX of the proximity sensor 560 when the finger HT touches is detected.
- a change in the capacitance CP of the proximity sensor 560 itself when the finger approaches is detected.
- the proximity distance (sensitivity) is changed by changing the capacitance CP of the proximity sensor 560 itself.
- the capacitance CP is an electric field in a three-dimensional direction, and changes slightly when the finger is in the electric field. Therefore, the capacitance CX of the entire proximity sensor changes, and the finger can be detected by the above-described detection. .
- FIG. 77 shows switching between the proximity mode and the electrostatic touch mode for the proximity sensor 560 functioning as the contact sensor that is the first electrode shown in FIG. 74 and the intermediate region portion 589 that is the second electrode. It is a figure explaining operation.
- the proximity sensor 560 functioning as a contact sensor as the first electrode and the intermediate region portion 589 as the second electrode are connected to the multiplexer 556R.
- the multiplexer 556R can internally connect or disconnect the proximity sensor 560 and the intermediate region portion 589 in accordance with a command from the microcomputer 556M of the control unit 556.
- the finger HT When performing the switching operation from the proximity mode to the electrostatic touch mode, as shown in FIGS. 74 (a) to 74 (b), the finger HT
- the proximity mode is switched to the electrostatic touch mode. That is, in response to an instruction from the microcomputer 556M in FIG. 77, the multiplexer 556R disconnects the proximity sensor 560 and the intermediate region portion 589 from the internal connection state to the internal connection release state by changing the proximity sensor 560 and the intermediate region portion 589 from the internal connection state. .
- the proximity sensor 560 functions and functions as an electrostatic contact sensor, and the intermediate region portion 589 is turned off and is not used.
- FIGS. 48 to 50 show examples of changing the proximity detection effective range of the proximity sensor 560 that is the first electrode and the intermediate region portion 589 that is the second electrode.
- the proximity detection effective range of the proximity sensor 560 is a range of a small circle HC1 when only the proximity sensor 560 which is the first electrode is used.
- the intermediate region portion 589, which is the second electrode is used in combination, so that the proximity detection effective range of the proximity sensor 560 can be expanded from a small circle HC1 to a large circle HC2. .
- the adjacent door 21 (or door 22), which is a moving means, or the door pocket on the back side of the door.
- an incoming plastic bottle or the like reacts with the proximity detection effective range of the proximity sensor 560, and a command to open the door is issued, so that the door that is not intended to be opened may be opened carelessly.
- a ground pattern 573 which is the fourth electrode shown in FIGS. 78 and 51B, and FIG. A guard electrode 570 which is the third electrode shown in a) is provided.
- FIG. 78 is a diagram for explaining the change of the proximity range in the proximity sensor 560 and the intermediate region portion 589.
- FIG. 78 is a diagram for explaining the change of the proximity range in the proximity sensor 560 and the intermediate region portion 589.
- a mesh ground pattern 573 as a fourth electrode is arranged on the back surface 553B corresponding to the arrangement portion 572 of the substrate 553.
- the ground pattern (mesh electrode) 573 covers the proximity sensor 560 and the substrate 553 on the back side of the intermediate region portion 589.
- the electric field from the ground pattern 573 is generated only in the direction of the proximity sensor 560 and the intermediate region portion 589, and the electric field directed from the proximity sensor 560 and the intermediate region portion 589 toward the ground pattern 573 is canceled, and the substrate The electric field in the reverse direction of 553 is eliminated (cancelled).
- the proximity detection range DL1 between the proximity sensor 560 and the intermediate region 589 is changed to that shown in FIG. It can be made larger than the proximity detection range DL2 shown in FIG.
- the ground pattern 573 is a mesh metal shield electrode.
- a frame-shaped guard electrode 570 is disposed on the substrate 553, and the guard electrode 570 surrounds the proximity sensor 560 and the intermediate region portion 589, thereby causing a range U shown in FIG.
- the electric field in the left-right direction decreases by the amount.
- the proximity detection effective range of the proximity sensor 560 can be changed from the large circle HC2 to the small shape HC3, and as shown in FIG. Decrease by the amount of.
- the proximity detection effective range of the proximity sensor 560 generally extends only in the forward direction of the proximity detection range DL1 of the proximity sensor 560 and the intermediate region portion 589, and the distance is long. Proximity detection is possible within a range. 53 also has a function to prevent the proximity detection effective range of the proximity sensor from exceeding the metal body 591 by applying an electric field to prevent erroneous detection by the proximity sensor. it can.
- FIG. 69 is a front view of the refrigerator 1 showing the thirty-third embodiment.
- the refrigerator 1 has a refrigerator compartment 12, a vegetable compartment 13, a switching room 14, a freezer compartment 15, and an ice making room 16.
- a pair of left door 21 and right door 22 cover the front opening of the refrigerator compartment 12.
- the left door 21 and the right door 22 are attached so that the left and right ends of the cabinet 11 that is the refrigerator main body are opened and closed in a double-opening manner at the hinges.
- the width of the right door 22 is larger than the width of the left door 21.
- Both the left door 21 and the right door 22 are provided with colored transparent glass front plates 21A and 22A attached to the opening portion of a flat inner plate that opens to the front surface, and a vacuum heat insulating material is disposed in the internal cavity portion to provide vacuum heat insulation.
- This is a heat insulating structural member in which a foamed polyurethane heat insulating material (hereinafter also simply referred to as a urethane heat insulating material) or a pre-molded solid heat insulating material (for example, EPC) is disposed in a hollow portion that cannot be filled with a material.
- one operation detection unit 701 is installed at a position below the front plate 22A of the right door 22 that is larger in size than the left door 21, for example.
- the door opening drive units 54 and 55 are respectively installed at positions corresponding to the vicinity of the open side end portion of the upper side of the left door 21 and the right door 22 at the left and right locations near the front end of the top surface of the cabinet 11. Yes.
- These door opening drive units 54 and 55 are door opening / closing devices (door opening devices) for forcibly opening the left door 21 and the right door 22 separately.
- the door opening drive units 54 and 55 push the plungers 54A and 55A forward by electromagnets, thereby pushing the upper sides near the open end portions of the left door 21 and the right door 22 forward, The right door 22 is forcibly automatically opened.
- FIG. 70 is a cross-sectional view showing a structural example of the operation detection unit 701 along the ZR-ZR line shown in FIG.
- a shielding sheet material 721 is arranged on the inner surface side of the glass front plate 22A by printing or the like.
- the sheet material 721 is arranged to prevent the inside from being seen through the front plate 22A.
- a first substrate 731 and a second substrate 732 are disposed on the inner surface side of the front plate 22A.
- the first substrate 731 and the second substrate 732 are arranged in parallel to the front plate 22A with a space therebetween.
- proximity sensors 711, 712, 713, 714 as non-contact sensors are arranged on the surface of the first substrate 631, and a connector 729 is arranged on the back surface.
- These proximity sensors 711, 712, 713, and 714 are arranged two-dimensionally (on a plane) on the first substrate 631 in the right door 22, for example.
- the proximity sensors 711, 712, 713, and 714 are respectively disposed at the corners of the square, the proximity sensor 711 is disposed at the upper left corner, and the proximity sensor 712 is Arranged in the upper right corner, the proximity sensor 713 is arranged in the lower right corner, and the proximity sensor 714 is arranged in the lower left corner.
- These proximity sensors 711, 712, 713, 714 are not in contact with the user's (human body) fingers, but also the state of moving the palm (the palm, the back of the hand), the side of the hand, the elbow, etc. Can be detected. Thus, the left door 21 or the right door 22 is opened by driving the opening drive unit 54 or the opening drive unit 55.
- the proximity sensors 711, 712, 713, and 714 are electrodes for electrostatic touch (contact), and the fact that the user's hand, elbow, etc. are approaching in the front (front) direction of the right door 22 through the front plate 22A.
- it is a capacitance type detection means that detects without contact.
- the proximity sensors 711 to 714 detect the approach of a part of the user's human body, specifically, for example, when the palm (the palm, the back of the hand), the side of the hand, the elbow, or the like approaches.
- the proximity sensors 711 to 714 are capacitive touch sensors, and a mutual capacitance touch sensor or a self-capacitance touch sensor can be used.
- a plurality of LEDs 735 and connectors 736 are arranged on the surface of the second substrate 732.
- the connector 736 of the second substrate 732 is connected to the connector 729 of the first substrate 731 by a relay bundle wire 728.
- Each LED 735 is arranged at a position corresponding to each hole 734 of the first substrate 731. Thereby, the light generated by each LED 635 can illuminate the proximity sensors 711 to 714 from the back through the respective holes 734. Thereby, even in a dark environment, the user can visually confirm the positions of the proximity sensors 711 to 714 through the front plate 22A and the sheet material 721.
- FIG. 71 is a block diagram showing electrical connections of the control unit 756, the operation detection unit 701, and the door opening drive units 54 and 55 that are door opening devices.
- control unit 756 is electrically connected to the operation detection unit 701, the door opening drive units 54 and 55, the plurality of LEDs 735, and the distance measurement unit 777.
- the refrigerator 1 shown in FIG. 69 when the user opens the left door 21 (or the right door 22) of the refrigerator 1, the user performs an operation by non-contact of the operation detection unit 701 with a finger in a dark environment.
- the positions of the proximity sensors 711 to 714 of the operation detection unit 701 are difficult to see.
- LEDs 735 are mounted on the back surfaces of the proximity sensors 711 to 714, respectively.
- the control unit 756 Since the sensor 711, 712, 713, 714 receives a signal notifying that the person is approaching, the control unit 756 controls the left door 21 or the right door by the opening drive unit 54 or the opening drive unit 55 that is a door opening device. The door 22 is operated to open.
- control unit 756 receives signals from the proximity sensors 711, 712, 713, and 714 that indicate that a person is approaching, so that the LED 735 can be turned on by a command from the control unit 756. .
- the user can visually check the positions of the proximity sensors 711, 712, 713, and 714 of the operation detection unit 701 even in a dark environment, and can easily operate the proximity sensors 711, 712, 713, and 714, and The door 21 (or the right door 22) can be opened.
- the operation detection unit 701 of the thirty-third embodiment is configured to open the left door 21 or the right door 22 by non-contact detection instead of performing human operation detection by contact detection.
- the door is opened by contact detection, it is necessary to touch the contact detection part with a finger.
- the operation detection unit 701 can employ a non-contact operation that does not need to touch the contact detection part, thereby suppressing a user's unintentional opening operation due to a change in the user's operation or surrounding environment. .
- Each of the proximity sensors 711, 712, 713, and 714 of the operation detection unit 701 shown in FIGS. 69 and 70 is not only the user's finger, but also the palm (the palm, the back of the hand), the side of the hand, the elbow, etc. It is possible to open the left door 21 or the right door 22 in a non-contact manner by performing a so-called gesture, which is an operation of moving the user. The opening operation of the door not intended by the user due to changes in the surrounding environment can be suppressed.
- the proximity sensors 711, 712, 713, and 714 of the operation detection unit 701 are two-dimensionally arranged in the vertical direction (VT direction) and the horizontal direction (HL direction) at the same interval. Preferably, it is located at each of the four corners of the square.
- VT direction vertical direction
- HL direction horizontal direction
- the control unit 756 drives the door opening drive unit 54 of the left door 21 to open the left door 21, or the control unit 756 drives the door opening drive unit 55 of the right door 22 to drive the right door 22.
- the function to open is to be demonstrated.
- the operation detection part 701 can be attached to any partition part of the right door 22. Thereby, the operation detection part 701 can be arrange
- each proximity sensor 711, 712, 713, 714 of the operation detection unit 701 is provided on a single first substrate 731, the manufacturing can be facilitated. Further, the proximity sensors 711, 712, 713, and 714 of the operation detection unit 701 can be provided on a plurality of substrates instead of being provided on the single first substrate 731. Thereby, the freedom degree in arrangement
- the proximity sensors 711 to 714 shown in FIG. 69 are used when the user uses the fingers of both hands to hold an article, for example, a dish or a pan, and the hands are closed. For example, a case where the left door 21 (or the right door 22) cannot be opened by touching will be described.
- the parts of the user's human body that can operate the proximity sensors 711 to 714 in a non-contact manner are the palm (the palm, the back of the hand), the side of the hand, or the elbow.
- the control unit 756, opens the left door 21.
- the door driving unit 54 can be driven to open the left door 21, or the control unit 756 can drive the door opening driving unit 55 of the right door 22 to open the right door 22.
- FIG. 72 shows an example in which the user performs an approach operation in proximity to the proximity sensors 711 to 714 by a movement (gesture) of the palm, the side of the hand, or the elbow.
- the specific order refers to a path in which the user's palm, the side of the hand, or the elbow moves in proximity to at least two of the proximity sensors 711 to 714, and is determined in advance. .
- the specific order shown in FIG. 72 (a) is that the two proximity sensors 711 and 712 are moved in the human body (side of the user's palm or hand or along the first direction DD1 indicated by the right arrow of the elbow).
- the two proximity sensors 712 and 711 are sequentially detected by the movement along the second direction (opposite direction) DD2 indicated by the left arrow different from the first direction DD1. It is obtained by sequentially detecting (palm, hand side, or elbow).
- first direction DD1 and the second direction DD2 constitute a first specific direction F1
- the specific order of the first specific direction F1 is, for example, a door opening drive with respect to the control unit 756.
- a function for opening the left door 21 is instructed by the unit 54.
- the two proximity sensors 711 and 712 are moved by movement along the first direction DD1 indicated by the right arrow of the palm or hand of the user or the elbow.
- the two proximity sensors 712 and 713 are detected by the human body (palm or side of the hand or elbow) sequentially and moved along the third direction DD3 indicated by the downward arrow different from the first direction DD1. And the side of the hand or elbow).
- the first direction DD1 and the third direction DD3 constitute the second specific direction F2
- the specific order of the second specific direction F2 is, for example, the storage room of the refrigerator 1, for example
- the control unit 756 is instructed to perform a so-called “one-time freezing” function of rapidly freezing the inside of the switching chamber 14 that can switch the internal set temperature shown in 69.
- This “frozen freezing” function is a function that passes through the temperature range of ⁇ 1 ° C. to ⁇ 5 ° C. where water of food freezes at a stretch, suppresses cell damage during freezing, and maintains umami.
- the user performs a predetermined order with respect to at least two of the proximity sensors 711 to 714 by the operation (gesture) of the palm, the side of the hand, or the elbow.
- the approaching operation for example, the left door 21 or the right door 22 can be opened as a predetermined function.
- FIG. 73 is a diagram showing an example in which the proximity operation is performed on the proximity sensor in another predetermined specific order.
- the proximity sensors 711 to 714 are detected in a predetermined specific order in a non-contact manner. This function can be instructed to the control unit 756.
- the direction of gesturing and moving the palm can be used in any combination of two or more in the vertical direction, the horizontal direction, and the diagonal direction. .
- FIG. 73 (a) shows a combination of the first direction (right direction) DD1 and the fourth direction (diagonal downward direction) DD4, and FIG. 73 (b) shows the fifth direction (downward direction) DD5 and the sixth direction. A combination of directions (upward) DD6 is shown.
- FIG. 73 (c) shows a combination of the third direction (downward direction) DD3 and the seventh direction (upward direction) DD7
- FIG. 73 (d) shows the eighth direction (right direction) DD8 and the ninth direction (left direction).
- Direction A combination of DD9 is shown.
- the control unit 756 can exhibit various functions such as opening the left door 21 and opening the right door 22 by combining these gestures in a plurality of directions.
- the operation detection unit 701 includes four proximity sensors 711, 712, 713, and 714.
- the present invention is not limited to this, and the operation detection unit 701 can also be composed of two proximity sensors, three proximity sensors, and five or more proximity sensors. These proximity sensors can be arranged two-dimensionally (on a plane) at the door.
- the refrigerator 1 described above includes a double door left door 21 and a right door 22, and front plates 21 ⁇ / b> A and 22 ⁇ / b> A of glass plates are arranged on the front side of the left door 21 and the right door 22.
- the present invention is not limited to this, and the front side of the left door 21 and the right door 22 may be not a glass plate but a metal plate such as a steel plate.
- you may have one door of a single opening type.
- each proximity sensor 711,712,713,714 of the operation detection part 701 is an electrostatic capacitance type, you may employ
- the refrigerator includes distance measuring means 777 illustrated in FIGS. 69 and 71, for example, on the back side of the glass front plate 21A of the left door 21 or on the back side of the glass front plate 22A of the right door 22, and on the refrigerator frame. Or it can arrange
- This distance measuring means 777 measures the distance from the refrigerator 1 to the user's human body. For example, depending on the size of the room in which the refrigerator is installed, the distance of the human body measured by the distance measuring unit 777 may be changed. If the refrigerator is installed in a large room, the distance between the refrigerator 1 and the human body increases. If the refrigerator is installed in a narrow room, the distance between the refrigerator 1 and the human body decreases.
- the control unit 756 can effectively operate the proximity sensors 711, 712, 713, and 714 that are non-contact sensors to detect the human body.
- the range can be configured to be changeable. That is, the sensitivity at the time of detection by the proximity sensors 711, 712, 713, 714 can be adjusted between high sensitivity and medium sensitivity.
- Each proximity sensor 711,712,713,714 of the operation detection part 701 can be attached to the right door 22, for example, made of a steel plate having a normal structure that does not have a glass front plate.
- the operation detection unit 701 can be arranged at any position on the door.
- the operation detection unit 701 can be installed inside the urethane heat insulating material inside the front plate 22A shown in FIG. Thereby, the operation detection part 701 can be arrange
- the operation detection unit 701 can be attached on or under the plastic cap disposed on the edge portion of the right door 22. Thereby, the operation detection part 701 can be arrange
- This printing is preferably translucent printing through which LED light is transmitted.
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Abstract
Description
図1、図2に示すように、第1実施形態の冷蔵庫1は、冷蔵庫本体であるキャビネット11を備えている。キャビネット11は、上段から冷蔵室12、野菜室13、庫内設定温度を切り換えることができる切替室14、冷凍室15より構成されている。また切替室14の左側には製氷室16が設けられている。
冷蔵庫の最もシンプルな扉の構造としては、冷蔵室の前方に左開き若しくは右開きの片開き1枚の扉を配置し、この扉の構造として、断熱性の扉本体の前面に着色透明の非導電性の前面板を取り付け、冷蔵庫の冷却制御内容を変更する操作をするための制御操作部と開扉装置の開扉動作を操作するための開扉操作部を設ける構成にすることもできる。すなわち、図1~図3に示した右扉22の構成を1枚扉に備えさせた構成にすることもできる(第2実施形態)。
図15に示すように、制御操作部(制御操作基板ともいう)50は、右扉22の縦方向の側面部である扉前面板を支持する扉の左右上下側面を構成する扉キャップに形成された挿入口50Vから収納部50R内に、G方向に挿入して収納することができる。開扉操作部(タッチオープン用スイッチ基板ともいう)52は、右扉22の縦方向の側面部の挿入口52Vから収納部52R内に、G方向に挿入して収納することができる。また、開扉操作部(タッチオープン用スイッチ基板)51は、左扉21の縦方向の側面部の挿入口51Vから収納部51R内に、H方向に挿入して収納することができる。
図18に示すように、左扉21の内側の肉皿天井板の下端線の位置LLより下に、開扉操作部51を配置する。すなわち、図24は冷蔵庫本体の縦方向の断面を示している。図24に示すように、キャビネット11内では、冷却器からの冷気が通過する冷気ダクトが背面にあって、ダクトから扉側に向けて吹き出し口が設けられており、図24のように冷気が矢印方向に流れる。
図16に示すように、制御操作部50と開扉操作部51は、左扉21において、1枚の基板99に配置することもできる。開扉操作部51(52)の検知部と検知信号処理部は、1枚の基板99で構成することができる。検知部と検知信号処理部は、収納部50Rに一緒に収納する。マイクロコンピュータMCは、同じ基板に配置するとよい。
図17に示すように、右扉22では、制御操作部50と開扉操作部52の配置位置が、左右の横方向に関して異なっている。すなわち、制御操作部50は右扉22の右側面部寄りの位置にあり、開扉操作部52は右扉22の右側面部寄りの位置にある。これにより、制御操作部50は開扉操作部52の上側には配置されていないので、例えば、使用者が濡れた手でさわったりすることで制御操作部50から仮に水が垂れたとしても、この水が下部の開扉操作部52には掛からないようになっている。また、制御操作部50の収納部と開扉操作部52の収納部との間の距離Wbは、制御操作部50と開扉操作部52の間の距離Waに比べて小さく、距離Wbは最低限離間しなければならない距離である。
図21に示すように、制御操作部50のLEDは全部消灯していて、制御操作部50のどこかのスイッチを押すと、制御操作部50の複数のLEDあるいは全部のLEDが点灯する。そして、点灯中は、その間、開扉操作部51,52のスイッチは操作を検知しても無効とする制御を有し、使用者の操作を受け付けず扉開放操作を無効にする構成とするとよい(有効であり操作できるようにしても良い)。点灯中は、その間、開扉操作部51,52のLEDはOFFであり、点灯していない。そうでなく、制御操作部50のLEDが全部消灯中は、その間開扉操作部51,52のスイッチは有効であり操作できる(無効であり操作できないようにしても良い)。制御操作部50のLEDが全部消灯中は、間開扉操作部51,52のLEDはONであり点灯する。
図20は、図15に示す例えば引出し扉23,25を示す平面図である。図15に示す例えば引出し扉23,25は、それぞれ開扉操作部77,71を有している。開扉操作部77,71の基板82は、引出し扉23,25の上面部から下向きに収納部81に挿入して収納できるように構成すると、引出し扉23,25の前面部には隙間が生じないのできれいであり、引出し扉23,25の前面部のガラス面の見栄えが良い。
図22は、引出し扉23(24,25,26)と冷蔵庫のキャビネット11を示す水平断面図であり、引出し扉23(24,25,26)と冷蔵庫のキャビネット11の間には、押圧部材120が配置されている。押圧部材120は、引出し扉23(24,25,26)と冷蔵庫のキャビネット11の間に隙間DHを設定している。使用者が、引出し扉23(24,25,26)を押圧部材120の力に抗して、矢印で示す押圧方向に押すことで、非接触の距離センサ130の発信部131が受信部132に近づく。これにより、距離センサ130は、距離を検知して、この検知した距離が、予め定めた距離よりも小さくなると、開扉操作部77(71)が制御部に指令をして、押出し手段により引出し扉を開けることができる。
図15に示すように、引出し扉23,24,25,26の間の隙間X、Yについては、隙間X>隙間Yになっている。すなわち、開扉操作部77を有する引出し扉23と開扉操作部71を有する引出し扉25の隙間Yは、開扉操作部の無い引出し扉24,26の隙間Xに比べて、小さく設定されている。つまり、把手140を有していて開扉操作部の無い引出し扉24,26の隙間Xは、手を入れるために、開扉操作部77を有する引出し扉23と開扉操作部71を有する引出し扉25の隙間Yに比べて大きく取っている。なお、開扉操作部77を有する引出し扉23と開扉操作部71を有する引出し扉25は、引出し扉の左右側面部に把手を設ければよい。この際、この把手は、ガラス板を支持しているキャップに凹部を設けることで形成できる。
図23に示すように、左扉22と右扉22のガラス板(前面板22A、22A)の上部には、扉のフレームであって装飾部であるキャップ150が配置されている。このキャップ150は、外部(上方)に突出して設けられた突起151を有しており、この突起151は、押出し手段160の押部材162に突き当てるようになっている。突起151は、ガラス板である前面板21A、22Aからは離れた位置に設けられており、押出し手段160の押部材162が突起151を押して、左扉21あるいは右扉22を開けようとする際に、前面板21A、22Aは力の影響を受けない。キャップ150の内部には、補強リブ162,163,164,165が形成されており、補強リブ162,163にはガラス板(前面板21A、22A)がはまり込み、補強リブ163,164には断面コ字型の補強板169が固定されている。補強リブ165には内板170が配置されている。ガラス板である前面板21A(22A)と内板170の間には、補強のためにウレタンが埋め込まれる。
図25(a)は、冷蔵庫の例えば引出し扉25の平面を示しており、引出し扉25の両側には建物の壁200がある。引出し扉25の左右の側面部25Sには、凹状の把手201が設けられている。図25(b)では、引出し扉25の左右の側面部には、凹状の把手202が設けられているが、左右の側面部は、前側に傾斜する傾斜面25Gとなっている。これにより、左右に建物の壁200があっても、傾斜面25Gが形成されているので、隙間ができ、使用者は指を把手202に簡単に入れることができる。尚、このとき把手202は、図の右側にしめすように把持しやすいような形状としてもよい。
図26は、引出し扉210,220,230の例を示しており、引出し扉220の上面部には、凹状の把手240が設けられている。引出し扉230はその前面部に開扉操作部77が設けられている。引出し扉230はその前面部に開扉操作部77が設けられているので、前面部の前面がガラス面にすることができる。引出し扉230と引出し扉220の隙間Cは、引出し扉210と引出し扉220の隙間Bに比べて小さくすることができ、見栄えが良くなる。
図29は、第27実施形態の冷蔵庫1の正面図であり、図30は、この冷蔵庫1の開扉状態の斜視図であり、そして図31は、この冷蔵庫1の冷蔵室部12分の拡大斜視図である。
で、例えば使用者が両手で食品等を持っている場合等に、非常に便利である。
[第28実施形態]
図37は、第28実施形態の冷蔵庫1の正面図である。図38は、この冷蔵庫1の開扉状態の斜視図である。図39は、この冷蔵庫1の冷蔵室部分の拡大斜視図である。
されているが、この開扉操作部52は、メニューボタンを有する制御操作部50の位置に対して、矢印QR方向にそって右方向に異なる位置にずらして配置されている。
図42は、第29実施形態の冷蔵庫1を示している正面図である。図43は、図42に示す冷蔵庫1の人体検知手段を含む開扉制御のブロック図である。
図48は、第30実施形態を示す冷蔵庫1の正面図である。図49は、図48に示す冷蔵庫1の平面図であり、図50は、図48に示す冷蔵庫1の側面図である。
図56は、第31実施形態を示す冷蔵庫1の正面図である。
図61は、第32実施形態を示す冷蔵庫1の正面図である。図62は、図61に示す冷蔵庫1の平面図であり、図63は、図61に示す冷蔵庫1の側面図である。
近接モードから静電タッチモードへの切替動作を行う場合には、図74(a)から図74(b)に示すように、指HTが近接センサ560に近づいて、近接センサ560が指HTを検知すると、近接モードから静電タッチモードへ切り替わる。すなわち、図77のマイクロコンピュータ556Mの指令により、マルチプレクサ556Rは、近接センサ560と中間領域部分589を内部接続状態から、内部接続の解除状態にして、近接センサ560と中間領域部分589の接続を切る。これにより、近接センサ560のみが静電接触センサとして機能して使用することになり、中間領域部分589はオフになり使用しない。
逆に、静電タッチモードから近接モードへの切替動作を行う場合とは、例えば静電タッチモードから10秒間経過したり、あるいは扉のオープンから扉のクローズ等でリセットされる場合である。この場合には、マイクロコンピュータ556Mの指令により、マルチプレクサ556Rは、近接センサ560と中間領域部分589の内部接続の解除状態から、内部接続状態に戻して、近接センサ560と中間領域部分589を接続することができる。
図69は、第33実施形態を示す冷蔵庫1の正面図である。
Claims (85)
- 前面が開口した冷蔵庫本体と、
前記冷蔵庫本体の前面開口部に取り付けられた断熱性の扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる開扉装置と
を備えることを特徴とする冷蔵庫。 - 前記扉に設けられた、冷蔵庫の冷却制御内容を変更する操作をするための制御操作部と、
前記扉に設けられ、前記開扉装置の開扉動作を操作するための開扉操作部と、
前記制御操作部と前記開扉操作部とからの操作信号を入力し、該当する冷却制御と開扉制御を行う制御部とを備え、
前記開扉操作部に対して開扉操作入力を与える部分は前記扉の前面板の一部であって当該前面板と一体に連続しており、
前記制御操作部に対する操作と前記開扉操作部に対する操作とは異なった操作方法である
ことを特徴とする請求項1に記載の冷蔵庫。 - 前記開扉操作部は、前記扉に設けられた複数の操作検知部から成り、当該複数の操作検知部から前記制御部に操作検知信号を出力し、前記制御部が前記複数の操作検知部からの操作検知信号に対して所定の操作であるか否かを判断し、前記所定の操作であるときに開扉操作と判断し、前記開扉装置に対して開扉制御する
ことを特徴とする請求項2に記載の冷蔵庫。 - 前記開扉操作部は、前記扉に設けられた複数の操作検知部から成り、
前記制御部が前記複数の操作検知部のうちの1つの操作検知部に対する操作検知信号を受信した後、一定時間以内に前記複数の操作検知部のうちの他の操作検知部に対する操作検知信号を受信しない場合には、前記開扉装置に対して開扉制御しない
ことを特徴とする請求項3に記載の冷蔵庫。 - 前記開扉操作部は、前記扉に設けられた3以上の複数の操作検知部から成り、
前記制御部は、前記3以上の複数の操作検知部のうち少なくとも2以上の複数の操作検知部が順に操作検知信号を出力するときに開扉操作と判断し、前記開扉装置に対して開扉制御する
ことを特徴とする請求項4に記載の冷蔵庫。 - 前記制御部は、前記3以上の複数の操作検知部のうち少なくとも3個の操作検知部が順に操作検知信号を出力するときに開扉操作と判断し、前記開扉装置に対して開扉制御する
ことを特徴とする請求項5に記載の冷蔵庫。 - 前記複数の操作検知部は左右の横方向に列設されている
ことを特徴とする請求項3~6のいずれか1項に記載の冷蔵庫。 - 前記断熱性の扉は、前記冷蔵庫本体の前面開口部に複数枚取り付けられており、
前記開扉操作部は、前記複数枚の扉それぞれに設置されており、
前記制御部は、前記複数枚の扉それぞれで異なった操作を検知して開扉操作と判断し、開扉制御する
ことを特徴とする請求項2~7のいずれか1項に記載の冷蔵庫。 - 前記開扉操作部は、静電容量式のタッチセンサで成る
ことを特徴とする請求項2~8のいずれか1項に記載の冷蔵庫。 - 前記複数の操作検知部は、前記扉の上辺又は下辺近傍において左右の横方向に列設されていることを特徴とする請求項3~9のいずれか1項に記載の冷蔵庫。
- 前記複数の操作検知部は1枚の左右の横方向に細長い基板上に列設されており、
前記基板は、前記扉の上端面若しくは下端面から横方向に長い状態で当該扉の上辺近傍又は下辺近傍に挿入され固定されたものである
ことを特徴とする請求項10に記載の冷蔵庫。 - 前記断熱性の扉は、前記冷蔵庫本体の前面開口部に左右2枚、両開き式に開閉するように取り付けられており、
前記開扉操作部は、前記左右2枚の扉それぞれに、かつ地上から同じ高さの位置に設置されている
ことを特徴とする請求項2~6のいずれか1項に記載の冷蔵庫。 - 前記開扉操作部は、前記扉の開放端の近傍に左右方向に設置されており、
前記制御部は、前記開扉操作部に対して前記開放端側からその反対方向へ移動するスライド操作を検知して開扉操作と判断し、開扉制御する
ことを特徴とする請求項2~11のいずれか1項に記載の冷蔵庫。 - 前記開扉操作部は、前記扉の4隅のいずれかの端部に設置され、
前記制御部は、前記開扉操作部に対する開扉操作方向が当該扉の外側に向かう方向である場合に開扉操作と判断し、開扉制御する
ことを特徴とする請求項2~7のいずれか1項に記載の冷蔵庫。 - 前記扉における前記開扉操作部の設置場所に対応する前面板の該当位置に、開扉操作方向に示すマークを設けた
ことを特徴とする請求項2~14のいずれか1項に記載の冷蔵庫。 - 前記開扉操作は、前記開扉操作部に対する一方向へのスライド操作であり、
前記開扉操作部には、前記スライド操作の方向に複数個のスライド検知用のタッチセンサが配設され、かつ、前記複数個のタッチセンサは前記スライド操作の方向と異なる方向でスライド方向に隣り合うタッチセンサ同士を一部オーバーラップさせている
ことを特徴とする請求項2~15のいずれか1項に記載の冷蔵庫。 - 前記開扉操作は、前記開扉操作部に対するスライド操作であり、
前記開扉操作部には、複数個のスライド検知用のタッチセンサが上下、左右に配設され、
前記制御部は、前記開扉操作部の複数個のタッチセンサが一定のパターンを描くようにタッチ操作されたときに開扉操作と判断し、開扉制御する
ことを特徴とする請求項2~6,9のいずれか1項に記載の冷蔵庫。 - 前記制御部は、前記開扉操作部に対する一方向へのスライド操作に対して開扉操作と判断するものであり、前記扉の開放端側に向かう方向のスライド操作であると判断したときに、開扉制御する
ことを特徴とする請求項2~7,9,11,15のいずれか1項に記載の冷蔵庫。 - 前記扉において、前記開扉操作部の設置場所とは異なる場所に扉手動開閉用の把手を設けたことを特徴とする請求項2~18のいずれか1項に記載の冷蔵庫。
- 前記制御部に接続された音声認識手段を有し、
前記音声認識手段が音による前記扉を開くための指示を検知すると、前記制御部の指令により前記開扉操作部が前記扉を開く構成である
ことを特徴とする請求項2に記載の冷蔵庫。 - 収容物の名称と、前記収容物を収容する前記扉の名称または貯蔵室の名称と、の関連を記憶しており、
前記収容物の名称に応じて対応する前記扉が開く
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記収容物の名称と、前記収容物を収容する前記扉の名称または前記貯蔵室の名称と、の関連を、入力して登録する関連入力登録手段を有する
ことを特徴とする請求項21に記載の冷蔵庫。 - 前記音声認識手段は、前記扉の内部に配置されており、
前記音声認識手段は、前記扉に設けられた穴部を通じて、外部の音を認識する
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記穴部は、前記扉の下部に設けられている
ことを特徴とする請求項23に記載の冷蔵庫。 - 前記音声認識手段は、前記冷蔵庫の外部に配置された収納ケース内に配置されている
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記音声認識手段が検知した音により前記扉を開く場合には、前記扉が開くことを報知する報知手段を有することを特徴とする請求項20に記載の冷蔵庫。
- 前記扉を開けて良いかと音声で使用者側に問い合わせる音声発生部を備え、
前記音声発生部からの問い合わせに応じて使用者の前記扉を開けて良い旨の音声を前記音声認識手段が検知すると、前記制御部の指令により前記開扉操作部が前記扉を開く
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記制御部の指令により前記開扉操作部が前記扉を開くスピードを変える
ことを特徴とする請求項20に記載の冷蔵庫。 - 使用者の身長を計測する身長計測センサを有し、
前記身長計測センサが検出する前記身長の値の大小により、前記扉を開くスピードを変える
ことを特徴とする請求項28に記載の冷蔵庫。 - 前記制御部は、前記音声認識を開始するためのきっかけであるトリガを得た後に、前記音声認識手段が音声による前記扉を開くための指示を検知すると、前記制御部の指令により前記開扉操作部が前記扉を開く
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記トリガとして用いられる前記音声は、前記冷蔵庫が動作時に発生する音とは異なる音であることを特徴とする請求項30に記載の冷蔵庫。
- 前記制御部の指示により前記冷蔵庫から発生する警告内容は、前記制御部に対して使用者から前記警告内容を繰り返して発生する指示がある場合には、繰り返して報知される
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記制御部は、前記扉の開放時に、別の前記扉を開く操作を受け付けない
ことを特徴とする請求項20に記載の冷蔵庫。 - 前記開扉操作部は、使用者が前記冷蔵庫に近づいたことを検知する近接センサの役割を有し、
前記使用者の手指が前記開扉操作部に近づくと前記開扉操作部が光る
ことを特徴とする請求項20に記載の冷蔵庫。 - 前面が開口した前記冷蔵庫本体と、
前記冷蔵庫本体の前面開口に取り付けられた断熱性の前記扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる前記開扉装置と、
前記扉に設けられ、前記開扉装置の開扉動作を操作するための開扉操作部と、
前記冷蔵庫の使用者の人体を検知するための人体検知手段と、
前記人体検知手段により前記人体を検知したときには、前記開扉操作部からの操作信号の入力を有効として該当する前記扉の前記開扉制御を行う制御部と
を備えることを特徴とする請求項1に記載の冷蔵庫。 - 前記制御部は、前記人体検知手段により前記人体の検知をしたときには、前記開扉操作部の表示をオンすることを特徴とする請求項35に記載の冷蔵庫。
- 前記制御部は、前記開扉操作部の表示を、前記扉の開扉操作の仕方により切り替える
ことを特徴とする請求項36に記載の冷蔵庫。 - 前記人体検知手段は、静電スイッチであり、
前記静電スイッチが前記人体の検知をする際には、前記静電スイッチの感度を高く切り替えて実施する
ことを特徴とする請求項35乃至37のいずれかに記載の冷蔵庫。 - 前記人体検知手段は、近接センサであり、
前記制御部は、前記近接センサの感度を切り替えて前記扉の開扉操作を有効にするとともに、
前記制御部は、前記近接センサに前記使用者が触れたことを検知すると、前記扉の開扉操作を実際に行う
ことを特徴とする請求項35に記載の冷蔵庫。 - 前記人体検知手段は、
遠くの位置にある前記使用者の人体を検知する遠隔検知センサと、
前記遠くの位置に比べて近くの位置にある前記使用者の人体を検知する近接検知センサと、
前記遠隔検知センサと、前記近接検知センサのいずれを採用するかの切り替えの指令を前記制御部に対して行うための切り替え手段と
を備えることを特徴とする請求項35に記載の冷蔵庫。 - 前記遠隔検知センサは赤外線センサであり、前記近接検知センサは静電検知センサであることを特徴とする請求項40に記載の冷蔵庫。
- 前記静電検知センサの感度を調整する感度調整手段を有する
ことを特徴とする請求項41に記載の冷蔵庫。 - 前記扉に設けられて、前記冷蔵庫の冷却制御内容を変更する操作をするための制御操作部を有し、
前記開扉操作部は、前記制御操作部の下方に配置され、かつ
前記開扉操作部は、当該制御操作部に対して左右方向にずらした位置に配置されている
ことを特徴とする請求項36乃至42のいずれかに記載の冷蔵庫。 - 前記冷蔵庫本体の天井部には、ケースが配置され、
前記ケース内には音声を認識する音声認識手段が収容され、
前記ケースには孔が形成されている
ことを特徴とする請求項2に記載の冷蔵庫。 - 前記音声認識手段を収容している前記ケース内には、制御基板が配置され、
前記制御基板には前記音声認識手段が設けられており、
前記音声認識手段を収容している前記ケースの高さは、前記開扉装置のケースの高さと同じか、前記開扉装置のケースの高さよりも低くなっている
ことを特徴とする請求項44に記載の冷蔵庫。 - 前記制御基板と前記ケースは、前記冷蔵庫本体の前記天井部に設けられた凹部に配置され、
前記制御基板の支持部は、前記冷蔵庫本体の前記天井部内の断熱材に埋め込まれている
ことを特徴とする請求項45に記載の冷蔵庫。 - 前記冷蔵庫本体の前記天井部内には、真空断熱材が折り曲げて配置され、
前記真空断熱材は、前記開扉装置の下側領域部分と、前記制御基板の下側領域部分とを覆うように配置されている
ことを特徴とする請求項45または46に記載の冷蔵庫。 - 前記冷蔵庫本体の庫内の天井照明は、前記天井部の内壁の凹部に埋まっており、
前記天井照明は前記真空断熱材から離間している
ことを特徴とする請求項47に記載の冷蔵庫。 - 前記真空断熱材は、前記冷蔵庫本体の天井部の内壁に接して配置され、
前記冷蔵庫本体の庫内の天井照明は、前記天井部の内壁の外に露出しており、前記天井部の前記内壁の折れ曲がり部に配置されている
ことを特徴とする請求項47に記載の冷蔵庫。 - 前記真空断熱材は、複数の部分に分割されており、
分割された各前記部分は、前記開扉装置の下側領域部分と、前記制御基板の下側領域部分とを覆うように配置されている
ことを特徴とする請求項45または46に記載の冷蔵庫。 - 前記天井部の前記内壁の折れ曲がり部は、傾斜して形成されており、
前記折れ曲がり部には、前記冷蔵庫本体の庫内の天井照明が埋め込まれており、
前記天井照明は前記真空断熱材から離間している
ことを特徴とする請求項47に記載の冷蔵庫。 - 前面が開口した前記冷蔵庫本体と、
前記冷蔵庫本体の前面開口に取り付けられた断熱性の前記扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる前記開扉装置と、
前記扉に設けられ、前記冷蔵庫への人体の接近を検知可能で、前記人体が触れることで前記開扉装置の開扉動作をするスイッチとなる近接センサと
を備え、
前記人体の接近を検知する際の前記近接センサの検知範囲の有効範囲を変更するための検知範囲の有効範囲変更手段を有する
ことを特徴とする請求項1に記載の冷蔵庫。 - 前記近接センサは、静電容量式の近接センサであり、
前記検知範囲の有効範囲変更手段は、前記近接センサから生じる電磁界の範囲を変えて前記近接センサの前記検知範囲の有効範囲を変更する
ことを特徴とする請求項52に記載の冷蔵庫。 - 前記検知範囲の前記有効範囲が、前記近接センサの前方と異なる方向の範囲とは異なる
ことを特徴とする請求項52または53に記載の冷蔵庫。 - 前記近接センサの周囲には、移動手段が配置されている
ことを特徴とする請求項52~54のいずれかに記載の冷蔵庫。 - 前記移動手段は、前記扉であることを特徴とする請求項55に記載の冷蔵庫。
- 前記近接センサの前記検知範囲の有効範囲は、前記移動手段の移動する軌跡内に入らないことを特徴とする請求項55または56に記載の冷蔵庫。
- 前記検知範囲の有効範囲変更手段は、前記近接センサの周囲に配置された金属体である
ことを特徴とする請求項52~57のいずれかに記載の冷蔵庫。 - 前記検知範囲の有効範囲変更手段は、隣接する前記移動手段との間に配置されている
ことを特徴とする請求項58に記載の冷蔵庫。 - 前記近接センサが生じる前記電磁界の向きと、前記検知範囲の有効範囲変更手段が生じる電磁界の向きが、反対であることを特徴とする請求項53または54に記載の冷蔵庫。
- 前記近接センサが搭載されている基板には、メッシュのグランドパターンが配置されていることを特徴とする請求項52に記載の冷蔵庫。
- 前記金属体は、前記近接センサが搭載されている基板を前記扉内に挿入するための開口部分を塞ぐ蓋部材に、配置されていることを特徴とする請求項58に記載の冷蔵庫。
- 前面が開口した前記冷蔵庫本体と、
前記冷蔵庫本体の前面開口に取り付けられた断熱性の前記扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる前記開扉装置と、
前記扉に設けられた、冷蔵庫の冷却制御内容を変更する操作をするための制御操作部と、
前記扉に設けられ、使用者が前記冷蔵庫へ接近することを検知可能な近接センサと、前記人体が触れることで前記開扉装置の開扉動作をさせるためのタッチボタンを有する開扉操作部と
を備え、
前記開扉操作部は、前記使用者の手指が近づくと点灯する構成とされ、
前記手指が前記近接センサに近づいた時の前記開扉操作部の点灯の光り方と、前記タッチボタンに触れた時の前記開扉操作部の点灯の光り方とが、変更される
ことを特徴とする請求項1に記載の冷蔵庫。 - 前記制御操作部は、前記人体が前記近接センサに近づいた時に点灯する
ことを特徴とする請求項63に記載の冷蔵庫。 - 前記制御操作部の点灯タイミングと、前記開扉操作部の点灯タイミングを変更する
ことを特徴とする請求項64に記載の冷蔵庫。 - 一方と他方の前記扉を備え、
前記一方の前記扉が開いている際に前記開扉操作部は点灯しているとともに、前記他方の前記扉の前記開扉操作部も点灯する
ことを特徴とする請求項64または65に記載の冷蔵庫。 - 前面が開口した前記冷蔵庫本体と、
前記冷蔵庫本体の前面開口に取り付けられた断熱性の前記扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる前記開扉装置と、
前記扉に設けられ、前記冷蔵庫への人体の接近を検知可能で、前記人体が触れることで前記開扉装置の開扉動作をするスイッチとなる近接センサと、
前記近接センサの周囲に配置されているガード電極と、
前記ガード電極が変化を検知すると、前記近接センサによる前記開扉装置の開扉動作を無効にする制御部と
を備えることを特徴とする請求項1に記載の冷蔵庫。 - 前記制御部は、
前記ガード電極が前記人体を検知した後に前記近接センサが前記人体を検知すると、前記近接センサによる前記開扉装置の開扉動作を無効にし、
前記ガード電極と前記近接センサが前記人体を同時に検知すると、前記近接センサによる前記開扉装置の開扉動作を無効にする
ことを特徴とする請求項67に記載の冷蔵庫。 - 前記扉に設けられて冷蔵庫の冷却制御内容を変更する操作をするための制御操作部を有し、
前記制御操作部と前記近接センサの間の位置には、前記ガード電極が配置されている
ことを特徴とする請求項67または68に記載の冷蔵庫。 - 前記ガード電極が形成している隙間の間隔は、前記人体の指の幅より大きい
ことを特徴とする請求項67乃至69のいずれかに記載の冷蔵庫。 - 前記ガード電極が形成している隙間の間隔は、前記人体の曲がっている肘が当たっても前記ガード電極には触れない大きさである
ことを特徴とする請求項67乃至69のいずれかに記載の冷蔵庫。 - 前記ガード電極の内側の領域であって、前記近接センサの周囲に孔が形成されており、前記孔から照明用の光が照射される
ことを特徴とする請求項67乃至71のいずれかに記載の冷蔵庫。 - 前記孔は、前記近接センサの周囲に沿って設けられ、前記近接センサと前記近接センサを囲む周囲領域とは、連結部分により連結されている
ことを特徴とする請求項72に記載の冷蔵庫。 - 前記孔には照明用の発光素子が配置され、前記発光素子は、前記連結部分の裏側の位置以外の前記孔に配置されている
ことを特徴とする請求項73に記載の冷蔵庫。 - 前記発光素子は、前記孔の外側の角部に配置されている
ことを特徴とする請求項74に記載の冷蔵庫。 - 前記近接センサは、1つの電極から構成され、
前記近接センサにはスルーホールが設けられており、
前記スル―ホールは、前記近接センサの端部の位置には設けられていない
ことを特徴とする請求項72乃至75のいずれかに記載の冷蔵庫。 - 前記スルーホールに対する配線は、前記連結部分を通って配置されている
ことを特徴とする請求項76に記載の冷蔵庫。 - 前記扉の挿入口から挿入して保持する基板を備え、
前記近接センサと前記ガード電極は、前記基板の表面側に配置され、前記基板の裏面側には部品搭載領域が設けられており、
前記基板が前記扉内に保持された状態では、前記部品搭載領域は、前記挿入口側に位置される前記基板の部分とは反対側に位置されている
ことを特徴とする請求項67乃至77のいずれかに記載の冷蔵庫。 - 第1電極としての前記近接センサと、第2電極としての中間領域部分とを、前記人体が近接することを検知する近接検知モードの時には、前記近接センサと前記中間領域部分との接続を切り、前記近接センサに前記人体が接触して接触センサとして機能する時には、前記近接センサと前記中間領域部分との接続を行うことで、前記近接センサの感度を変更する構成とした
ことを特徴とする請求項67乃至78のいずれかに記載の冷蔵庫。 - 前記中間領域部分は、前記近接センサの周囲に配置されている
ことを特徴とする請求項79に記載の冷蔵庫。 - 前面が開口した前記冷蔵庫本体と、
前記冷蔵庫本体の前面開口に取り付けられた断熱性の前記扉と、
前記冷蔵庫本体に取り付けられ、前記扉を強制的に開扉動作させる前記開扉装置と、
前記扉に設けられ、前記冷蔵庫への人体の接近を検知可能な複数の非接触センサと、
前記複数の非接触センサが、予め定めた特定の順番で前記人体の接近を検知すると、前記開扉装置により前記開扉動作させる制御部と
を備えることを特徴とする請求項1に記載の冷蔵庫。 - 前記特定の順番は、前記人体の第1方向に沿った移動により前記複数の非接触センサが前記人体を検知し、かつ前記人体の前記第1方向とは異なる第2方向に沿った移動により前記複数の非接触センサが前記人体を検知することにより得られる
ことを特徴とする請求項81に記載の冷蔵庫。 - 前記複数の非接触センサは、前記扉において二次元的に配置されている
ことを特徴とする請求項81又は82に記載の冷蔵庫。 - 前記特定の順番は、前記制御部に対して前記開扉装置により前記開扉動作させる機能を指示し、
別の前記特定の順番は、前記制御部に対して前記冷蔵庫の貯蔵室を急激に冷凍する機能を指示する
ことを特徴とする請求項81乃至83のいずれかに記載の冷蔵庫。 - 前記人体との距離を測定する距離測定手段を有し、
前記距離測定手段により測定された前記人体の距離が変更されることに基づいて、前記非接触センサが前記人体を検知する動作が有効になる
ことを特徴とする請求項84に記載の冷蔵庫。
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