KR20100019081A - A drawer door switch for refrigorator - Google Patents

A drawer door switch for refrigorator Download PDF

Info

Publication number
KR20100019081A
KR20100019081A KR1020080077929A KR20080077929A KR20100019081A KR 20100019081 A KR20100019081 A KR 20100019081A KR 1020080077929 A KR1020080077929 A KR 1020080077929A KR 20080077929 A KR20080077929 A KR 20080077929A KR 20100019081 A KR20100019081 A KR 20100019081A
Authority
KR
South Korea
Prior art keywords
drawer door
refrigerator
hall sensor
switch
main body
Prior art date
Application number
KR1020080077929A
Other languages
Korean (ko)
Inventor
노진석
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020080077929A priority Critical patent/KR20100019081A/en
Publication of KR20100019081A publication Critical patent/KR20100019081A/en

Links

Images

Classifications

    • 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
    • F25D29/005—Mounting of control devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
    • H01H13/183—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover
    • 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
    • F25D23/021—Sliding 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
    • F25D2400/18—Aesthetic features
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The present invention simplifies the assembling work of the operator by stably controlling the lighting of the lamp (Lamp) installed in the refrigerator body according to the opening and closing state of the drawer door provided in the drawer type refrigerator body. It is possible to improve the appearance and to provide a drawer door switch for a refrigerator, which can reduce the cost of assembling the refrigerator.

Description

Drawer Door Switch for Refrigerator {A Drawer Door Switch for Refrigorator}

The present invention relates to a drawer door switch for a refrigerator capable of detecting a state of a drawer door according to drawing out or drawing out of a drawer door installed in a refrigerator main body, and controlling a lighting state of a lamp.

In general, a refrigerator is a device for low temperature storage of food, and stored in a refrigerator or frozen according to food to be stored.

The refrigeration operation of the refrigerator is performed by the heat exchange action of the refrigerant, and the compressor continuously performs a cycle of compression, condensation, expansion, and evaporation of the refrigerant by a cooling engine including a compressor, a condenser, and an evaporator. It will cool the inside.

Through this cycle, the inside of the refrigerator is cooled directly or indirectly. In general, the refrigerator adopts an indirect cooling method by circulating cold air generated during the heat exchange of the refrigerant, and the Kimchi refrigerator allows the cooler where the heat exchange occurs to contact the inside of the refrigerator. Direct cooling is adopted.

In such a refrigerator, as the contact point of the mechanical switch is turned on or off according to the drawing out or drawing out of the drawer door, the lamp inside the refrigerator is turned on or off.

A drawer type door is installed on the refrigerator, and the drawer type door is used in a structure in which the drawer type door is pushed and pushed while being pushed out or drawn in by a user, and the door switch is turned on or off. The microcomputer receives input and controls the lighting and turning off of the lamp installed in the refrigerator, and determines whether the drawer-type door is opened or closed.

However, the above-described conventional switch is disadvantageous in terms of design by being protruded on a refrigerator, and the installation structure is complicated, which is disadvantageous in terms of worker's workability and cost, and an urgent countermeasure is required.

An object of the present invention is to simplify the assembly according to the switch installation of the operator, to provide a drawer door switch for a refrigerator that can be used to accurately detect the state of the drawer door withdrawal or withdrawal.

Another object of the present invention is to provide a drawer door switch for a refrigerator capable of accurately detecting the withdrawal or withdrawal according to the motor driving when the drawer door is automatically operated.

In order to achieve the above object, a drawer door switch for a refrigerator according to the present invention includes a refrigerator body having a freezer compartment and a refrigerating compartment and a drawer door at a lower portion of the freezer compartment and a refrigerating compartment; A switch installed inside the drawer door of the refrigerator main body and generating a different output voltage when the drawer door is opened or closed; And a controller for receiving a voltage difference generated when the drawer door is opened or closed to control a lighting state of a lamp inside the refrigerator main body.

The switch according to the present invention is characterized in that the hall sensor is installed on the cap deco (Cap Deco) provided on the upper surface of the drawer door of the refrigerator body, and the magnet (Magnet) is provided to face each other with the hall sensor do.

Hall sensor according to the invention is characterized in that the installation is inserted into the receiving groove formed on the cap deco. The storage groove is characterized in that the cover is installed on the Hall sensor to prevent the inflow of foreign substances such as moisture, dust.

The controller according to the present invention receives the voltage output from the Hall sensor when the Hall sensor and the magnet is in close proximity, and determines that the drawer door is in the closing state, and applies an off operation signal to the lamp inside the refrigerator body. ,

When the hall sensor and the magnet are positioned apart from each other, it is determined that the drawer door is in an open state by receiving the voltage output from the hall sensor and applying an on operation signal to the lamp inside the refrigerator main body.

As described above, the drawer door switch for a refrigerator according to the present invention can simplify the work when the operator installs the switch in the refrigerator body, thereby improving the workability.

In addition, since the switch is not protruded separately from the refrigerator main body, the design aesthetics can be improved, and manufacturing costs can be reduced.

Hereinafter, an embodiment of a drawer door switch for a refrigerator according to the present invention will be described with reference to the accompanying drawings.

1 is a view illustrating a refrigerator main body having a drawer door switch for a refrigerator according to the present invention, and FIG. 2 is a perspective view showing a drawer door having a drawer door switch for a refrigerator according to the present invention, and FIG. 4 is a perspective view illustrating a state in which a drawer door switch for a refrigerator according to the present invention is installed, and FIGS. 4A to 4B are diagrams illustrating an operation state of the drawer door switch for a refrigerator according to the present invention.

1 to 4B, the drawer door switch for a refrigerator according to the present invention includes a refrigerator main body 100 having a freezer compartment and a refrigerating compartment and a drawer door 110 under the freezer compartment and the refrigerating compartment; A switch 200 installed inside the drawer door 110 of the refrigerator main body 100 and generating different output voltages when the drawer door 110 is opened or closed; And a controller 400 that receives a voltage difference generated when the drawer door 110 is opened or closed to control a lighting state of the lamp 300 inside the refrigerator main body 100.

The switch 200 according to the present invention includes a hall sensor 210 installed in a cap deco 10 provided at an upper surface of the drawer door 110 of the refrigerator main body 100, and the hall sensor ( The magnet 220 is installed to face each other.

The Hall sensor is a sensor used to measure the strength or direction of a magnetic field using a Hall voltage. The Hall sensor detects the magnetic field when a magnetic field is generated around a conductive wire using a Hall effect. However, there is a characteristic that the resulting output is a voltage.

Hall sensor 210 according to the present invention is characterized in that the insertion groove 12 is formed on the cap deco 10. The receiving groove 12 is characterized in that the cover 202 for preventing the inflow of foreign substances such as moisture, dust on the Hall sensor 210 is installed.

The controller 400 according to the present invention receives the voltage output from the hall sensor 210 when the hall sensor 210 and the magnet 220 are in a proximate state, and the drawer door 110 is in a closing state. It is determined that the off operation signal to the lamp 300 inside the refrigerator main body 100,

When the hall sensor 210 and the magnet 220 are spaced apart from each other, the refrigerator main body 100 determines that the drawer door 110 is in an open state by receiving the voltage output from the hall sensor 210. It is characterized in that the on operation signal is applied to the lamp 300 inside.

The controller 400 according to the present invention is installed in a circuit connection with a plurality of output pins (not shown) provided in the hall sensor 210, and receives the change in the voltage output from the hall sensor 210 to the It is made to be calculated through a calculator (not shown) provided in one controller 400.

The operation state of the drawer door switch for a refrigerator according to the present invention configured as described above will be described with reference to the drawings.

Referring to FIG. 1, the drawer door switch for a refrigerator according to the present invention is installed in a drawer type refrigerator main body 100.

A lamp 300 is installed inside the refrigerator main body 100, and the lamp 300 is electrically connected to the controller 400, and is turned on by the controller 400. The off state is controlled. In FIG. 1 of the present invention, it is not shown a separate connection line between the controller 400 and the lamp 300, but it is clear that the electrical connection is installed.

A plurality of drawer doors 110 are installed below the refrigerator main body 100 according to the present invention, and the drawer door 110 is provided with a first drawer door 110a and a second under the refrigerator main body 100. Drawer doors 110b are respectively installed.

The first drawer door (110a) and the second drawer door (110b) has only a difference in volume, the structure of the receiving groove (not shown) for storing food and the first and second drawer doors (110a, 110b). Is the same.

The first and second drawer doors 110a and 110b may be operated by a motor (not shown) separately provided to automatically open and close a state, and a driving member connected to the motor. In the embodiment of the present invention, since the first and second drawer doors 110a and 110b are automatically operated, the detailed description is omitted.

2 to 3, in the switch 200 according to the present invention, the Hall sensor 210 is inserted into and installed in the accommodation groove 12 formed in the cap deco 10 of the second drawer door 110b. In order to prevent contamination and damage of the hall sensor 210, a separate cover 202 is rotatably installed in the receiving groove 12.

The installation position of the hall sensor 210 according to the present invention has been described as being installed in the cap deco 10 installed on the front upper side of the first drawer door 110a or the second drawer door 110b, but changes to another position. It also turns out that it is possible.

The magnet 220 is installed on the lower side of the front side of the second drawer door 110b by being spaced apart a predetermined distance from the upper portion of the hall sensor 210 according to the present invention.

The operation state of the drawer door switch for a refrigerator according to the present invention will be described with reference to the drawings.

Referring to FIG. 4A, when the user does not draw out the first drawer door 110a or the second drawer door 110b to the outside in a state in which food or fruit is stored in the refrigerator main body 100, the drawing is not shown. As shown, the hall sensor 210 and the magnet 220 are positioned on the same line, and a magnetic field is applied to the hall sensor 210 by the magnet 220.

When a magnetic field is applied to the hall sensor 210, a specific voltage is output by a hall effect. The output voltage output from the hall sensor 210 is transmitted to the controller 400, and the controller 400 calculates the voltage output from the hall sensor 210 to the first drawer door 110a or the second. It is determined that the drawer door 110b is not drawn out and transmits an off signal to the lamp 300 so as not to turn on the lamp 300.

Referring to FIG. 4B, when the user draws out the second drawer door 110b to the outside of the refrigerator main body 100 in order to take out food or fruit inside the drawer door 110, the magnet 220 and the hole are provided. As the position of the sensor 210 moves away, the magnetic field is not applied to the hall sensor 210.

As the magnetic field is not applied to the hall sensor 210 according to the present invention, the output voltage output from the hall sensor 210 has a voltage different from that before the second drawer door 110b is drawn out. As shown in the figure, it is transmitted to the controller 400.

The controller 400 according to the present invention calculates the output voltage output from the hall sensor 210, and determines whether the output voltage is the state in which the second drawer door 110b is drawn out.

For example, assuming that the output voltage output from the hall sensor 210 is 10V before the second drawer door 110b is drawn out, when the second drawer door 110b is drawn outward, it is more than 10V. A small voltage is output and transmitted to the controller 400, and the controller 400 calculates this to control the lighting state of the lamp 300.

In the present invention, the controller 400 receives the output voltage of the hall sensor 210 to control the lighting state inside the refrigerator main body 100 by turning on the lamp 300.

In the exemplary embodiment of the present invention, the second drawer door 110b has been described as being drawn out, but the operating state according to the drawing out or drawing out of the first drawer door 110a is also the same.

When the second drawer door 110b is retracted, the hall sensor 210 installed in the second drawer door 110b is positioned near the magnet 220 and outputs a voltage to the controller 400. The controller 400 controls the lighting state of the lamp 300 by calculating the changed output voltage.

The drawer door 110 according to the present invention may be drawn out or drawn in manually by a user as described above, but the drawer door 110 may be a combination of a motor and a driving member provided separately in the drawer door 110. It is noted that when the 110 is automatically operated, the withdrawal or withdrawal according to the motor driving can be accurately detected.

Although the above has been shown and described with respect to the preferred embodiments of the present invention, the present invention is not limited to the above-described embodiment, in the technical field to which the present invention pertains without departing from the spirit of the invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such changes will fall within the scope of the claims set forth.

1 is a view showing a refrigerator main body having a drawer door switch for a refrigerator according to the present invention installed;

Figure 2 is a perspective view showing a drawer door with a drawer door switch for a refrigerator according to the present invention.

Figure 3 is a perspective view showing a state in which a drawer door switch for a refrigerator according to the present invention is installed.

Figure 4a to 4b is an operating state of the drawer door switch for a refrigerator according to the present invention.

* Description of the symbols for the main parts of the drawings *

100: refrigerator body 110: drawer door

200: switch 210: Hall sensor

220: magnet 300: lamp

400: controller

Claims (4)

A refrigerator body having a freezer compartment and a refrigerating compartment and a drawer door at a lower portion of the freezer compartment and the refrigerating compartment; A switch installed inside the drawer door of the refrigerator main body and generating a different output voltage when the drawer door is opened or closed; And And a controller configured to control a lighting state of a lamp inside the refrigerator main body by receiving a voltage difference generated when the drawer door is opened or closed. According to claim 1, The switch may include a hall sensor installed in a cap deco provided on an upper surface of a drawer door of a refrigerator main body, and a magnet installed to face the hall sensor. Refrigerator drawer door switch. The method of claim 2, The hall sensor is a drawer door switch for a refrigerator, characterized in that inserted into the receiving groove formed on the cap decor. The method according to claim 1 or 2, The controller receives the voltage output from the hall sensor when the hall sensor and the magnet are in close proximity, determines that the drawer door is in a closed state, and applies an off operation signal to the lamp inside the refrigerator main body. When the hall sensor and the magnet are located apart from each other, the refrigerator receives a voltage output from the hall sensor and determines that the drawer door is in an open state, and applies an on operation signal to a lamp inside the refrigerator main body. Drawer door switch.
KR1020080077929A 2008-08-08 2008-08-08 A drawer door switch for refrigorator KR20100019081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020080077929A KR20100019081A (en) 2008-08-08 2008-08-08 A drawer door switch for refrigorator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020080077929A KR20100019081A (en) 2008-08-08 2008-08-08 A drawer door switch for refrigorator

Publications (1)

Publication Number Publication Date
KR20100019081A true KR20100019081A (en) 2010-02-18

Family

ID=42089603

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080077929A KR20100019081A (en) 2008-08-08 2008-08-08 A drawer door switch for refrigorator

Country Status (1)

Country Link
KR (1) KR20100019081A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140121684A (en) * 2013-04-08 2014-10-16 엘지전자 주식회사 Refrigerator
CN106642909A (en) * 2016-11-11 2017-05-10 青岛海尔股份有限公司 Refrigerator and refrigerator storage box
KR20190111858A (en) * 2019-09-20 2019-10-02 엘지전자 주식회사 Refrigerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140121684A (en) * 2013-04-08 2014-10-16 엘지전자 주식회사 Refrigerator
CN106642909A (en) * 2016-11-11 2017-05-10 青岛海尔股份有限公司 Refrigerator and refrigerator storage box
CN106642909B (en) * 2016-11-11 2019-08-27 青岛海尔股份有限公司 Refrigerator and article storing box in refrigerator
KR20190111858A (en) * 2019-09-20 2019-10-02 엘지전자 주식회사 Refrigerator

Similar Documents

Publication Publication Date Title
JP6097922B2 (en) refrigerator
US20140245758A1 (en) Cooling appliance and operation method thereof
KR100693192B1 (en) Apparatus for circulating cold air in kimchi refrigerator
US20060137378A1 (en) Apparatus and method for controlling lamp of refrigerator
KR20100019081A (en) A drawer door switch for refrigorator
US11549740B2 (en) Refrigerator and controlling method for the same
US20140230483A1 (en) Refrigeration device
US10429863B2 (en) Systems and methods for refrigerator control
JP7032026B2 (en) Cool storage
KR101577870B1 (en) Refrigerator with a configurable room in a cool chamber
KR100975026B1 (en) Temperature control device for a refrigerator
KR101295989B1 (en) A control method for refrigerator
KR20070016320A (en) Refrigerator of controllable Independently the temperature of Vegetable room
KR20170029347A (en) Mechanical refrigerator
KR100577124B1 (en) Apparatus and method of preventing to make dew at front plate for a refrigerator
JP5523987B2 (en) refrigerator
CN202582034U (en) Temperature control device of refrigerators
KR101005697B1 (en) Low temperature compensation lamp heating apparatus oof refrigerator
KR100386505B1 (en) Exclusive refrigerator for vegetables and kimchi
KR100438952B1 (en) Method for cooling air supply of cooling device
CN217131592U (en) Refrigeration cabinet of intelligent double-evaporator temperature control
JP2019199837A (en) Compressor inspection device
JP2014142121A (en) Refrigerator
KR20090119082A (en) Control device and method for lamp of refrigerator
KR20080090944A (en) Refrigerator and control method thereof

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application