JP2014040939A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To arrange operation parts and display parts, which are provided at a door of a refrigerator body, with a relatively simple structure in a compact manner.SOLUTION: A refrigerator includes multiple operation parts and multiple display parts corresponding to the respective operation parts at a front surface plate portion of a door of a refrigerator body. The respective operation parts are composed of capacitance type touch sensors, each of which has an electrostatic capacitance detector arranged on the rear surface side of the front surface plate, and are arranged in a vertical direction. The respective display parts are arranged in the vertical direction. Wiring of the electrostatic capacitance detectors is disposed on a position that does not overlap with the respective display parts.

Description

  Embodiments described herein relate generally to a refrigerator.

  2. Description of the Related Art Conventionally, for example, in a refrigerator for home use, an operation panel having a plurality of operation units for instructing operations and a plurality of display units for displaying the operation results is generally provided on the door of the refrigerator compartment. In recent years, as an operation switch constituting the operation unit, for example, it has been considered to employ a capacitive touch sensor in which an electrode for touch detection is arranged on the back side of a glass front plate (for example, a patent). Reference 1). This capacitance type touch sensor determines that it has been operated based on detecting a change in capacitance of an electrode caused by a human finger touching (approaching) a front plate. Yes. In addition, the display unit is configured by arranging an LED behind a film for displaying characters, and when the operation of the operation unit is determined, the LED of the corresponding display unit emits light and the display unit shines. It has become.

JP 2012-78086 A

  In the above configuration, the plurality of operation units are arranged side by side, and the display units are also arranged side by side accordingly. However, when the wiring of the operation unit (capacitive touch sensor) is arranged, it interferes with the display of the display unit, for example, the wiring crosses the light path of the LED. To avoid this, the entire display unit is enlarged. Or the construction of the light guide plate for guiding the light of the LED to the character display film is complicated. Therefore, the operation unit and the display unit provided on the door of the refrigerator main body are compactly arranged with a relatively simple configuration.

  The refrigerator of the embodiment includes a plurality of operation units and a plurality of display units corresponding to the respective operation units on the front plate part of the door of the refrigerator main body, and each operation unit is a back surface of the front plate. It consists of a capacitive touch sensor with a capacitance detector on the side, and is arranged in the vertical direction, and each display unit is also arranged in the vertical direction. These wirings are characterized in that they are arranged at positions that do not overlap each display portion.

The front view of a refrigerator main body which shows 1st Embodiment Enlarged front view with all display on the operation panel Block diagram showing electrical configuration Exploded perspective view of the operation unit The exploded perspective view which shows the mode at the time of insertion of the operation unit with respect to a accommodating part The perspective view which shows the accommodation state of the operation unit with respect to an accommodating part in the removal state of a front plate FIG. 6 is a longitudinal side view of the operation unit along the line AA in FIG. Transverse plan view of the operation unit along line BB in FIG. Front view of flexible switch printed board Longitudinal side view of extension portion along line CC in FIG. The front view which shows 2nd Embodiment and shows schematically the structure of the wiring in a flexible switch printed circuit board FIG. 11 equivalent view showing the third embodiment

(1) First Embodiment Hereinafter, a first embodiment will be described with reference to FIGS. FIG. 1 schematically shows an external configuration of a refrigerator body 1 in the present embodiment. The refrigerator main body 1 is configured by providing a plurality of storage chambers in a vertically long rectangular box-shaped heat insulating box 2 having an open front surface. Specifically, in the heat insulation box 2, a refrigerator compartment 3 and a vegetable compartment 4 are provided in order from the top, and an ice making room 5 and a second freezer compartment (switching room) 6 are provided on the left and right sides below the vegetable compartment 4. The first freezer compartment 7 is provided at the bottom.

  Among these, the refrigerator compartment 3 and the vegetable compartment 4 are storage compartments in a refrigerator temperature zone in which the inside temperature is controlled to a refrigerator temperature of about 1 ° C. to 5 ° C., for example. The ice making room 5, the second freezing room 6, and the first freezing room 7 are storage rooms in a freezing temperature zone in which the internal temperature is controlled to a freezing temperature of, for example, −18 ° C. or lower. On the front face of the refrigerator compartment 3, there are provided double doors with heat insulation, that is, two hinged doors 8 and 9 on the left and right sides. As will be described later, an operation panel unit 10 is provided on the left door 8 (hereinafter referred to as the left door 8), as shown in FIG. The front surfaces of the vegetable room 4, the ice making room 5, the second freezing room 6, and the first freezing room 7 are opened and closed by drawer-type heat insulating doors 11, 12, 13, and 14, each of which has a storage container connected to the back. .

  Although not shown in detail, the refrigerator main body 1 incorporates a refrigeration cycle. As shown in part in FIG. 3, this refrigeration cycle includes a refrigerator for a refrigerator compartment for cooling the refrigerator compartment 3 and the vegetable compartment 4, the ice making chamber 5 and the first and second refrigerator compartments 7 and 6. In addition to two coolers, a freezer compartment cooler for cooling, a compressor 15 (shown only in FIG. 3), a condenser, a switching valve 16 for switching the flow of refrigerant to the two coolers, etc. It is configured with.

  In addition, as shown in FIG. 3, the refrigerator main body 1 includes a refrigeration blower 17, an ice making chamber 5, and a first refrigeration chamber 3 and a vegetable compartment 4 for circulating and supplying cold air from the refrigeration room cooler. A refrigeration blower 18 for circulating and supplying cold air from the freezer cooler to the second freezer compartments 7 and 6, and a defrost heater 19 for defrosting the freezer cooler. A refrigerator compartment temperature sensor 20, a freezer compartment temperature sensor 21 and the like are provided.

  Further, the refrigerator main body 1 is provided with a main controller 22 that is configured mainly by a computer and controls the whole. The main controller 22 is also connected to an operation control unit 23 to be described later, and based on a signal from the operation control unit 23, a signal from the cold room temperature sensor 20, the freezer room temperature sensor 21, and the like. The cooling fan 17, the refrigeration fan 18, the compressor 15, the switching valve 16, and the defrost heater 19 are controlled to perform the cooling operation of the refrigerator body 1.

  Next, the configuration of the operation panel unit 10 provided on the left door 8 of the refrigerator compartment 3 will be described in detail with reference to FIGS. Here, although not shown in detail, the left door 8 includes a glass front plate 24 disposed on the front surface side, and a thin plastic box body before and after the front surface disposed on the rear surface side is opened. Between them, a heat insulating material is arranged. As shown in FIG. 5 and the like, the operation panel unit 10 is configured by disposing an operation unit 25 described later in detail on the back side of the front plate 24. As shown in FIG. 1, the operation panel unit 10 is provided on the front side of the left door 8 on the opening side opposite to the hinge, that is, in a vertically long rectangular region near the right side.

  At this time, as shown in FIG. 2, the operation panel unit 10 includes a plurality of, in this case, six operation units 26 to 31, which are touched with a finger of a hand, arranged in a vertical line on the right side. At the same time, display units 32 to 36 corresponding to the respective operation units 26 to 31 are provided vertically on the left side of the operation units 26 to 31. Each operation part 26-31 is comprised from the electrostatic capacitance type touch sensor, Operation button 26a-31a virtually set to the front surface of the front plate 24, and the electrostatic capacitance detection part located in the back surface side 26b to 31b (see FIG. 9 and the like).

  Specifically, as shown in FIG. 2, the “refrigeration” operation unit 26 (operation buttons 26 a), the “freezing” operation unit 27 (operation buttons 27 a), and the “refrigeration function” operation unit 28 in order from the top. (Operating button 28a), an “ice making” operating unit 29 (operating button 29a), a “power saving” operating unit 30 (operating button 30a), and a “home” operating unit 31 (operating button 31a) are provided. Among them, the operation buttons 26a to 30a of “refrigeration”, “freezing”, “freezing function”, “ice making”, and “power saving” are configured by arranging those characters in a circle. The operation button 31 a of the “home” operation unit 31 is provided with a substantially pentagonal mark (house image).

  On the other hand, the uppermost display unit 32 is provided at an intermediate height corresponding to the operation units 26 and 27 of “refrigeration” and “frozen”, and the characters “strong” and “weak” It consists of five circular line-shaped marks arranged in a circle as a whole, and the number of lightings serves as an indicator representing the intensity level. The lower display unit 33 corresponds to the operation unit 28 of the “freezing function”, and the letters “freezing at once”, “freezing hot”, “freezing vegetables”, and “dry” are selectively displayed in order from the top. Is displayed.

  The display unit 34 below corresponds to the operation unit 29 of “ice making”, and characters “Ice ice making” and “Ice making off” are selectively displayed. The display unit 35 below corresponds to the operation unit 30 for “power saving”, and characters “power saving”, “outing”, and “peak shift” are selectively displayed in order from the top. The lowermost display unit 36 corresponds to the “home” operation unit 31 and displays “eco mode” characters and “key” marks.

  In addition, although detailed illustration and description are omitted, the front plate 24 is, for example, coated with a coating on the back side to be in a translucent state, and the operation buttons 26a to 31a (only when an LED as a light source to be described later is turned on. Circles and letters) appear to be bright. However, only the “Home” operation button 31a located at the bottom is always displayed by printing, for example. In addition, the display units 32 to 36 are configured such that the characters and marks selected by the operation units 26 to 31 appear brightly only when the LED as the light source is turned on.

  Now, the operation unit 25 of the operation panel unit 10 is configured as follows. That is, as shown in FIG. 4, the operation unit 25 is configured by arranging the circuit board 37, the shielding plate 38, the spring member 39, the flexible switch printed board 40, and the nameplate film 41 in order from the back side. Is done.

  Among them, the circuit board 37 is formed in a slightly vertically long rectangular shape, and a plurality of LEDs 42 serving as light sources corresponding to the operation units 26 to 31 and the display units 32 to 36 are formed on the front surface (front surface). Has been implemented. At the same time, the circuit board 37 includes an operation control unit 23 (shown only in FIG. 3) including a circuit for energizing the LED 42 and signal processing circuits (detection units) of the capacitance detection units 26b to 31b described later. Further, an external connection connector 43 for connection to the outside is provided. The circuit board 37 is also provided with a connector portion 44 to which a connecting portion of a flexible switch printed board 40 described later is connected.

  The shielding plate 38 is made of a colored plastic molded product (which does not transmit light), and has a vertically long rectangular shape as a whole. Specifically, as shown in FIG. 4, the shielding plate 38 includes a vertically long rectangular front plate portion 38 a, a peripheral wall portion 38 b that falls rearward from the periphery (four sides) of the front plate portion 38 a, and the front plate A plurality of light transmission portions 45 provided in the portion 38a are integrally provided. Further, a notch 38 c for electrically connecting a flexible switch printed board 40 (to be described later) to the circuit board 37 is formed at the lower end of the right side of the shielding plate 38. Further, on the left side portion of the peripheral wall portion 38b of the shielding plate 38, a stopper portion 49 having a spring shape having a rectangular frame shape projecting to the left side is provided integrally at three positions side by side in the vertical direction. It has been.

  Each light transmission part 45 guides the light of each LED 42 of the circuit board 37 toward the respective operation parts 26 to 31 and the display parts 32 to 36 ahead while preventing light leakage. Is for. Accordingly, as shown in FIGS. 6 and 7, the light transmitting portion 45 corresponding to each of the operation portions 26 to 31 has a tapered shape (conical shape) that swells toward the rear, and the shielding plate. A total of 6 pieces are formed in a line in the center of 38. Further, the light transmitting portion 45 corresponding to each of the display portions 32 to 36 (each character or mark) has a frame shape with a depth in the front and rear (for example, a portion corresponding to the character is a horizontally long frame shape), and a shielding plate It is located on the left side of 38 and is formed side by side. The shielding plate 38 is coupled to the surface side of the circuit board 37 so as to be covered in a positioned state.

  The spring member 39 is made of a transparent plastic material having flexibility (elasticity), and is a thick circular portion having a circular shape corresponding to each operation portion 26 to 31 (operation buttons 26a to 31a). 39a and a connecting portion 39b that connects the upper and lower portions in order so as to form a substantially "<" shape. The spring member 39 is attached so as to fit into a recess formed in the front right portion of the front plate portion 38a of the shielding plate 38. Thus, the spring member 39 functions as a cushioning material having a spring property that is disposed on the back side of each of the electrostatic capacitance detection units 26b to 31b of the flexible switch printed board 40 described below. The capacitance detecting units 26b to 31b function to press against the back surface of the front plate 24 through the name plate film 41.

  As shown in FIG. 9, the flexible switch printed board 40 has a vertically long rectangular thin sheet shape covering the right half of the front plate portion 38a of the shielding plate 38 as a whole. . The flexible switch printed board 40 is not shown in detail, but the capacitance detection units 26b to 31b, the wiring 46, and the error are formed on the surface of a base film 40a which is a transparent film made of, for example, PET having flexibility. The detection prevention electrode 47 and the like are formed by printing, and the surface thereof is covered with a transparent cover film made of PET.

  At this time, each of the capacitance detection units 26b to 31b constituting a part of each of the operation units 26 to 31 has, for example, a circular (maximum) conductive polymer having a certain transparency on the surface of the base film 40a. Only the lower capacitance detection unit 31b is printed and applied to a pentagon). The wiring 46 is formed by printing silver paste on the surface of the base film 40a, extends from the capacitance detection units 26b to 31b to the right side, then bends at right angles and extends downward.

  The erroneous detection preventing electrode 47 is printed (simultaneously) together with the wiring 46 by printing silver paste on the surface of the base film 40a, and the right side of each of the wirings 46 from the capacitance detection units 26b to 31b. It is provided so as to sandwich the extending part from both sides. The plurality of wirings 46 are gathered together with the wiring extending from the false detection preventing electrode 47, and in the right side of the flexible switch printed board 40 (on the right side of the capacitance detection units 26b to 31b). They are arranged so as to extend in the vertical direction so as to be lined up at a narrow interval on the left and right.

  The flexible switch printed board 40 is located at the lower end portion of the right side portion, extends downward in a narrow width, and has an extension portion 40b provided with the plurality of wirings 46. A connecting portion 48 is provided at the tip so as to bend to the left. A plurality of carbon contacts to which the wirings 46 are connected are provided at the tip (left side) of the connection portion 48. At this time, the flexible switch printed board 40 is disposed on the front surface of the front plate portion 38a (spring member 39) of the shielding plate 38, but the extension portion 40b is folded back as shown in FIG. Instead, it passes through the notch 38 c of the shielding plate 38 and falls to the front surface side of the circuit board 37, so that the connection portion 48 is connected to the connector portion 44.

  Although not shown in detail, the nameplate film 41 is configured by providing a light shielding part and a display light transmitting part on the surface of a vertically long transparent film. Among them, the display translucent portion corresponds to the marks and characters for displaying the respective operation buttons 26a to 31a and the respective characters and marks constituting the respective display portions 32 to 36 (in a state where they are transparently extracted). ) Is formed. As described above, when the LED 42 is turned on, light is transmitted through the display translucent portion of the nameplate film 41, so that characters and marks are displayed on the front plate 24 (operation panel portion 10). . The flexible switch printed board 40 and the nameplate film 41 described above are attached so as to be superimposed on the front surface of the shielding plate 38 in a positioning state, and thus the unitized operation unit 25 is configured.

  As shown in FIGS. 5 and 6, the operation unit 25 configured as described above is detachably stored in a storage portion 50 provided in a lower right portion of the left door 8. At this time, the right side wall 8a of the left door 8 (box) is provided with a vertically long opening 50a for taking in and out the operation unit 25. The storage portion 50 is provided with a space in a form in which a heat insulating material is removed at a right front portion continuous from the opening portion 50a of the left door 8, and is located in the space portion and is made of plastic on the side wall portion 8a. The storage case 51 is attached.

  As shown in part in FIGS. 7 and 8, the storage case 51 has an open front surface and has a thin rectangular box shape in the front-rear direction in which the operation unit 25 can be stored. In this case, the storage case 51 has a vertically long rectangular plate-like back plate portion 51a, a peripheral wall portion 51b that rises forward from its upper side, left side, and lower side, and a flange portion 51c that is positioned at the front end of these peripheral wall portions. Have. At this time, the front surface of the flange portion 51 c is provided so as to contact the back surface of the front plate 24.

  As shown in FIG. 5, the operation unit 25 is slid and stored in the storage case 51 (storage unit 50) through the opening 50a. And as shown in FIG. 6, the cover member 52 is attached to the opening part 50a part so that attachment or detachment is possible. The lid member 52 closes the opening 50a and functions to hold the operation unit 25 against the storage case 51 with the upper and lower arms 52a. At this time, as shown also in FIG. 8, the three stopper portions 49 having spring properties protruding leftward from the operation unit 25 (shielding plate 38) are pressed against the storage case 51.

  Although not shown, the storage unit 50 is provided with a connector connected to the external connection connector 43 of the circuit board 37 in a state of being connected to a lead wire. It is provided with a margin that can be pulled out from the portion 50a. Thus, after the connector connection operation for the external connection connector 43 of the operation unit 25 is performed outside the left door 8, the storage operation in the storage portion 50 is performed. By the connection of the connector, the main controller 22 and the operation control unit 23 (operation unit 25) shown in FIG. 3 are electrically connected.

  Although not described in detail, as described above, in the operation panel unit 10, only the “Home” operation button 31a is displayed (operable) in the normal state (when there is no operation by the user). ) State. When the user performs a touch operation on the operation button 31a, the operation of the operation buttons 26a to 30a is displayed by the lighting of the LED 42, and the operation is possible. 36 becomes visible. Thereafter, necessary display is performed on the display units 32 to 36 in accordance with the operation (setting) of the operation buttons 26a to 31a. When the operation of the operation units 26 to 31 is finished and a predetermined time has elapsed (or when the “home” operation button 31 a is operated), the LED 42 is turned off and the normal state is restored.

  Next, the operation and effect of the above configuration will be described. In the operation panel unit 10 having the above-described configuration, each of the operation units 26 to 31 is configured by a capacitive touch sensor in which the capacitance detection units 26 b to 31 b are arranged on the back surface side of the front plate 24, and these are arranged in the vertical direction The display units 32 to 36 are also provided side by side in the vertical direction. In the operation panel unit 10, the operation buttons 26a to 31a of the operation units 26 to 31 are arranged in the vertical direction, and the display units 32 to 36 are also arranged in the vertical direction. When operating 26 to 31, the display units 32 to 36 and the other operation units 26 to 31 are less likely to be hidden by the user's hand or finger.

  Accordingly, the user can easily view the operation buttons 26a to 31a and the display units 32 to 36 and can easily operate the operation buttons 26a to 31a. And since the wiring 46 from the electrostatic capacitance detection parts 26b-31b is arrange | positioned in the position which does not overlap with each display parts 32-36, it does not become a hindrance of the display of the display parts 32-36. In addition, since it is not necessary to add a light guide plate or the like for avoiding wiring to the display units 32 to 36, a simple structure can be made compact accordingly.

  Moreover, in this embodiment, in the refrigerator main body 1 which employ | adopted the double doors 8 and 9 as the door of the refrigerator compartment 3, the operation panel part 10 is made into the right side part of the left door 8, ie, the opening side opposite to a hinge. It was arranged to be located at. Thereby, the maintenance etc. of the operation panel part 10 (operation unit 25) can be performed in the opening side of the left door 8, and it becomes excellent in maintainability. Since the operation units 26 to 31 are located on the right side of the left door 8, that is, closer to the center, the operation units 26 to 31 can be easily operated.

  In addition, in the operation panel unit 10, the wiring 46 is arranged on the right side where the plurality of operation units 26 to 31 are arranged in the vertical direction, and the plurality of operation units 26 to 31 are positioned on the left side of the plurality of operation units 26 to 31. The display units 32 to 36 are arranged in the vertical direction. Accordingly, when the user operates the operation buttons 26a to 31a with the right hand, the display units 32 to 36 are not hidden with the right hand, so that the display on the display units 32 to 36 is easy to see, and the operation units 26 to 31 are displayed. The operability can be improved.

  The operation units 26 to 31 and the display units 32 to 36 are united as the operation unit 25, and the operation unit 25 is slid and stored with respect to the storage unit 50 (storage case 51) provided in the left door 8. Configured to be. Thereby, the operation unit 25 is easy to handle, and assembly and maintenance can be easily performed.

  In the operation unit 25, the flexible switch printed board 40 is provided by forming the capacitance detecting portions 26b to 31b and the plurality of wirings 46 on the flexible base film 40a. At this time, the plurality of wirings 46 are collectively arranged with the base film 40a extending in the vertical direction, and the wirings 46 are connected to the extension portions 40b of the end portions of the base film 40a. Accordingly, the wiring 46 can be made thin and easy to handle, and the connection portion 48 can easily connect to the circuit board 37. Can do.

  In the operation unit 25, the flexible switch printed board 40 and the circuit board 37 are provided apart from each other through the shielding plate 38, and the extension 40b of the flexible switch printed board 40 is arranged in the vertical direction. The connecting portion 48 is configured to be connected to the connector portion 44 without being folded and folded back so that the front end side extends through the notch portion 38c of the shielding plate 38 and extends to the back. did. Accordingly, for example, when the operation unit 25 is slid and housed in the housing portion 50, the extension portion 40b of the flexible switch printed board 40 does not get in the way, and for example, the folded portion of the film (extension portion 40b) is opened. Problems such as being caught on the edge of the portion 50a can be prevented in advance.

  Furthermore, in the present embodiment, the flexible switch printed board 40 is provided with the electrode 47 for preventing erroneous detection located in the vicinity of the wiring 46 from the capacitance detection units 26b to 31b. It can be made excellent in performance. In addition, by providing the wiring 46 at a place different from the display portions 32 to 36 (on the right side), it is possible to secure a space for arranging such an erroneous detection preventing electrode 47.

(2) Second and Third Embodiments and Other Embodiments FIG. 11 shows a second embodiment and schematically shows a wiring structure in the flexible switch printed board 61. The flexible switch printed board 61 is formed by printing a plurality of circular capacitance detection units 62 constituting an operation unit vertically on a flexible transparent base film 61a having a vertically long rectangular shape. The wirings 63 and 64 extending therefrom are formed by printing.

  As these wirings, there are a main wiring 63 disposed on the right side portion of the base film 61a and an auxiliary wiring 64 provided separately from the main wiring 63 on the left side portion of the base film 61a and having the same function as the main wiring 63. Two series are provided. At this time, the main wiring 63 extends rightward from the capacitance detection unit 62 and then extends downward so that the right side portion of the base film 61a is lined up at a narrow interval from side to side. The auxiliary wiring 64 extends leftward from the capacitance detection unit 62, then bends at a right angle and extends downward on the left side of the base film 61a, and further bends rightward at the lower end of the base film 61a. Each is connected to a corresponding main wiring 63.

  The flexible switch printed board 61 is integrally provided with an extension 61b extending downward from the right end so that the main wiring 63 extends straight downward, and a connection portion 65 is provided at the tip of the extension 61b. It has been. Although not shown in the drawing, it is a matter of course that the left auxiliary wiring 64 is also provided at a position that does not overlap the display unit (does not obstruct display).

  According to such 2nd Embodiment, the operation part and display part which are provided in the left door 8 of the refrigerator main body 1 can be arrange | positioned compactly by a comparatively simple structure, etc., and said 1st Embodiment. In addition to obtaining the same functions and effects as the above, it is possible to obtain an advantage that even if the main wiring 63 is disconnected, it is possible to easily cope with the use of the auxiliary wiring 64.

  FIG. 12 shows the third embodiment and schematically shows the wiring structure in the flexible switch printed board 71. The flexible switch printed board 71 is formed by printing a plurality of circular capacitance detection units 72 constituting an operation unit vertically on a flexible transparent base film 71a having a vertically long rectangular shape. The main wiring 73 and the auxiliary wiring 74 extending therefrom are formed by printing.

  At this time, the main wiring 73 extends to the right from the capacitance detection unit 72 and then extends downward so that the right side of the base film 71a is lined up at a narrow interval from side to side. The auxiliary wiring 74 extends to the left from the capacitance detection unit 72 and then bends at a right angle to extend the left side of the base film 61a downward. The flexible switch printed board 71 is integrally provided with an extension 71b extending downward from the right end so that the main wiring 73 extends straight downward, and a connecting portion 75 is provided at the tip of the extension 71b. It has been. Further, the flexible switch printed board 71 is integrally provided with an extension portion 71c extending downward from the left end portion so that the auxiliary wiring 74 extends straight downward, and an auxiliary connection portion 76 is provided at the tip of the extension portion 71c. Is provided.

  According to the third embodiment, the same operation and effect as the second embodiment can be obtained, and at the same time, the main wiring 73 is connected to the circuit board on the flexible switch printed board 71. Since the auxiliary connection portion 76 for connecting the auxiliary wiring 74 to the circuit board is provided in addition to the connecting portion 75 to be used, when the main wiring 73 is disconnected as described above, the use of the auxiliary wiring 74 is changed from the use of the main wiring 73. Switching to can be easily performed.

  In each of the above embodiments, the operation panel unit 10 (operation unit 25) is provided on the left door 8 among the double doors, but it may be provided on the right door 9. Also in this case, the operation panel unit can be provided on the opening side (close to the left side) opposite to the hinge. In this case, the position of the display unit and the wiring (left and right) in the operation panel unit may be switched. Even when the refrigerator compartment is opened and closed by a hinged door, the operation panel portion can be provided on the opening side opposite to the hinge.

  In addition, it is not limited to each embodiment mentioned above, For example, the structure (arrangement | positioning) of each room | chamber of a refrigerator main body, the kind and number of the operation parts (operation button) in an operation panel part, the display form of a display part Various modifications can be considered for the above. Furthermore, the specific structure of the operation unit, for example, the type of light source on the circuit board, the structure of the shielding plate, the presence or absence of a spring member, the placement of the capacitance detection section and wiring on the flexible switch printed board, and prevention of false detection Various modifications can be made with respect to the presence or absence of the electrodes, the arrangement, and the like.

  In the drawings, 1 is a refrigerator body, 8 is a left door, 10 is an operation panel unit, 24 is a front panel, 25 is an operation unit, 26 to 31 are operation units, 26a to 31a are operation buttons, 26b to 31b, 62, 72 Is a capacitance detection unit, 32-36 is a display unit, 37 is a circuit board, 38 is a shielding plate, 39 is a spring member, 40, 61 and 71 are flexible switch printed boards, 40a is a base film (film), 40b, 61a, 71a are extension parts, 41 is a nameplate film, 42 is an LED, 43 is a connector for external connection, 44 is a connector part, 46 is wiring, 47 is an electrode for preventing false detection, and 48, 65, and 75 are connection parts. , 50 is a storage part, 51 is a storage case, 52 is a lid member, 63 and 73 are main wirings, 64 and 74 are auxiliary wirings, and 76 is an auxiliary connecting part.

Claims (11)

In the refrigerator comprising a plurality of operation units and a plurality of display units corresponding to the respective operation units on the front plate part of the door of the refrigerator main body,
Each operation unit is composed of a capacitance type touch sensor having a capacitance detection unit arranged on the back side of the front plate, and is provided side by side in the vertical direction.
Each display unit is also provided side by side in the vertical direction,
The refrigerator characterized by the wiring of each said electrostatic capacitance detection part being arrange | positioned in the position which does not overlap with each said display part.   The refrigerator according to claim 1, wherein the door is a hinge opening and closing type, and the operation unit and the display unit are provided on the opening side opposite to the hinge of the door.   The wiring is arranged on the right side where the plurality of operation units are arranged in the vertical direction, and the plurality of display units are arranged in the vertical direction, located on the left side of the plurality of operation units. The refrigerator according to claim 1 or 2, wherein the refrigerator is provided.   The refrigerator according to any one of claims 1 to 3, further comprising a double door, wherein the operation unit and the display unit are provided on a left door.   The operation unit and the display unit are unitized as an operation unit, and the operation unit is configured to be slid and stored with respect to a storage unit provided in the door. The refrigerator according to any one of claims 1 to 4.   The wiring of the operation unit is formed in a flexible film, and the wiring of a plurality of capacitive touch sensors is arranged to extend in the vertical direction of the film, and at the end of the film, The refrigerator according to any one of claims 1 to 5, further comprising a connection portion for connecting the wiring to a circuit board.   The film and the circuit board are provided to be separated from each other in the front-rear direction, and the connection portion of the film extends in the vertical direction, and is connected to the circuit board so that the tip extends deeper than the operation portion. The refrigerator according to claim 6.   The refrigerator according to claim 6 or 7, wherein the connection portion of the film is configured to be connected to the circuit board without being folded back.   The refrigerator according to any one of claims 6 to 8, wherein the film is provided with an electrode for preventing erroneous detection located in the vicinity of the wiring.   In the film, the wiring of each capacitance detection unit is provided over two lines of main wiring and auxiliary wiring which is provided separately from the main wiring and has the same function as the main wiring. The refrigerator according to any one of claims 6 to 9, wherein   11. The refrigerator according to claim 10, wherein the film is provided with an auxiliary connection part for connecting the auxiliary wiring to the circuit board in addition to a connection part for connecting the main wiring to the circuit board. .

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