JP6403484B2 - refrigerator - Google Patents

Description

  Embodiments described herein relate generally to a refrigerator.

  For example, in a refrigerator for home use, an operation panel having a plurality of operation switches for performing a setting operation related to the operation of the refrigerator is generally provided on the door of the refrigerator compartment. In recent years, for example, a capacitive touch sensor (transparent electrode) for detecting that a human finger has touched the front surface of a glass is provided on the back side of a glass door front plate, and from a display sheet, a light guide plate, and an LED. It is considered that a plurality of operation switches are configured by providing a display unit (see Patent Document 1, for example).

  Specifically, in the touch panel unit of Patent Document 1, an operation nameplate having a transmission part for displaying characters and the like on the back surface of an outer plate (front plate) constituting the front surface of the door, and a plurality of capacitance detecting capacitances. A flexible board having circular detection sensors arranged in the vertical direction, a pressing member that presses the flexible board against the back side of the front plate, a support member that functions as an LED reflector, and an operation board are sequentially stacked. . The pressing member is integrally provided with a circular reflecting plate corresponding to each detection sensor and a connecting member for sequentially connecting the reflecting plates, and each detection sensor is brought into close contact with the back side of the front plate by the reflecting plate. It has a function so that the detection accuracy of the touch operation can be improved.

JP 2014-44016 A

  In the pressing member having the above-described configuration, the connecting portion is configured in a relatively short arm shape that connects two locations of the adjacent reflectors, is sufficiently hard as a whole pressing member, and is very flexible (cushioning property). Did not have. Here, the back surface of the front plate is not necessarily a flat surface. For example, the front plate is warped due to thermal expansion, contraction, etc., and some unevenness (distortion) is partially formed on the back surface of the front plate. It may happen.

  However, in the conventional configuration, sufficient flexibility cannot be obtained in that the reflecting plate of the pressing member follows the distorted shape of the back surface of the front plate. There was a tendency for the adhesion of the (detection sensor) to be inferior.

  Therefore, the adhesiveness of each capacitance detection part of the flexible switch printed board with respect to the back surface of the front plate is made good.

The refrigerator of the embodiment includes a front panel provided on the door of the refrigerator body, an operation panel unit that is provided on the front part of the front panel and includes a plurality of operation buttons for performing a setting operation related to the operation of the refrigerator, A flexible switch printed board disposed on the back surface of the front plate and corresponding to each of the operation buttons and having a plurality of capacitance detectors for detecting a touch operation of each of the operation buttons; and the flexible switch A pressing member for pressing each capacitance detection unit of the printed board against the back side of the front plate, and the pressing member is adjacent to a plurality of unit pressing units corresponding to the capacitance detection units. The unit pressing portions are configured integrally with a plurality of connecting portions that elastically connect each other between the matching unit pressing portions, and the length of each of the connecting portions is the length of the one unit pressing portion. In a form that is larger than the size Vignetting, further the pressing member is a two positions located symmetrically from the center of the unit pressing portion, in a position shifted with respect to the arrangement direction of the plurality of unit pressing section, next to each far side by the connecting portion It is characterized in that it is configured to be connected to a matching unit pressing part .

The front view of the refrigerator main body in standby mode which shows one Embodiment Enlarged front view with all display on the operation panel Block diagram showing electrical configuration Exploded perspective view of the operation unit Vertical side view of the operation unit Front view of flexible switch printed board Front view of pressing member

  Hereinafter, an embodiment will be described with reference to the drawings. 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, 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 in 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 is between a front plate 24 arranged on the front side and a thin plastic box before and after the front side arranged on the back side is opened. The heat insulating material is arranged. The front plate 24 is made of, for example, glass and has translucency. As shown in FIG. 5 and the like, the operation panel unit 10 is configured by disposing an operation unit 25 to be described later 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.

  FIG. 2 illustrates a state in which all of the operation unit and the display unit described later are displayed (all light sources are turned on) in the operation panel unit 10 (operation unit 25). 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 by a finger of a hand, arranged in a vertical row 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 known electrostatic capacitance type touch sensor, and the operation button 26a-31a virtually set to the front surface of the front plate 24, and the electrostatic capacitance located in the back side It has the detection parts 26b-31b (refer FIG. 6). The electrostatic capacity type touch sensor detects that the user has touched (closed) the operation buttons 26a to 31a on the front plate 24 as a change in electrostatic capacity.

  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 a circular mark. Under the operation button 31a, a “key lock” mark and a “○ three-second press” character are always displayed.

  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 includes an “antenna” mark, “automatic door off” characters, “key lock” characters, “eco mode” characters, The letters “door” are selectively displayed.

  In addition, although detailed illustration and description are omitted, the front plate 24 is in a translucent state, for example, by applying paint on the back side. Further, as will be described later, the operation buttons 26a to 31a (circles, characters, and marks) are projected and displayed only when the LED as the light source is turned on by the display mechanism, so that the display looks bright. However, as shown in FIG. 1, only the “Home” operation button 31a (and the mark and character below it) positioned at the bottom is always displayed by printing, for example. In addition, the display units 32 to 36 are configured so that characters and marks selected by the operation units 26 to 31 are projected and displayed only when the LED as a light source is turned on.

  Next, the operation unit 25 constituting the operation panel unit 10 will be described with reference to FIGS. That is, as shown in FIG. 4, the operation unit 25 is configured by arranging the circuit board 37, the shielding plate 38, the pressing 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 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. Is provided. Further, the circuit board 37 includes external connection connectors 43 and 44 for connection to the outside.

  The shielding plate 38 is made of a colored plastic molded product (which does not transmit light) and is formed into a vertically long rectangular shape as a whole, and a plurality of light guide portions 45 are integrally formed on the plate surface. doing. Each of these light guide portions 45 guides the light of each LED 42 of the circuit board 37 toward the front operation portions 26 to 31 and the display portions 32 to 36 while preventing light leakage. belongs to.

  Accordingly, as shown in FIG. 5, the light guide 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 center of the shielding plate 38. A total of 6 pieces are formed vertically and positioned on the right side. Further, the light guide 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 pressing member 39 is made of, for example, a transparent plastic material, and has a thick unit pressing portion 47 having a circular shape corresponding to each operation portion 26 to 31 (operation buttons 26a to 31a) and a thick unit pressing portion 47 in order. A connecting portion 48 that is connected vertically is integrally formed. The pressing member 39 is attached so as to be fitted into a recess 49 formed in the right front portion of the shielding plate 38. Thus, the pressing member 39 functions as a cushioning material having a spring property that is disposed on the back side of each of the capacitance detection units 26b to 31b of the flexible switch printed board 40, and detects each of these capacitances. It functions to press the portions 26 b to 31 b against the back surface of the front plate 24 through the name plate film 41. Details of the pressing member 38 will be described later.

  As shown in FIG. 7, the flexible switch printed board 40 has a vertically long rectangular thin sheet that covers the right half of the shielding plate 38 as a whole. Although not shown in detail, the flexible switch printed board 40 is provided on the surface of a transparent base film 40a made of, for example, PET having flexibility, and the capacitance detection units 26b to 31b, the wiring 51, and prevention of erroneous detection. The electrode 52 and the like are printed and formed, and the surface thereof is covered with a transparent cover film made of PET. At the lower end of the right side portion of the flexible switch printed board 40, an extended portion 40b that extends narrowly downward is integrally provided.

  Each of the capacitance detection units 26b to 31b is configured by printing and applying, for example, a conductive polymer having a certain transparency to the surface of the base film 40a in a circular shape. The wiring 51 and the false detection preventing electrode 52 are formed by printing silver paste on the surface of the base film 40a, extend from the respective capacitance detection units 26b to 31b to the right side, then bend downward, and extend the extension. It extends to the portion 40b. On the left side of the distal end of the extension portion 40b, a connection portion 53 for electrical connection with the outside is provided. The connection portion 53 is connected to the connector portion 44 of the circuit board 37.

  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. 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 a unitized operation unit 25 is configured.

  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 projected and displayed on the front plate 24 (operation panel portion 10). Become. Thus, the operation unit 25 is configured to include a display mechanism, and the display mechanism (each LED 42) is controlled by the operation control unit 23. As shown in FIG. 5, the operation unit 25 is stored in a storage space (storage case 46) formed by removing the heat insulating material inside the left door 8 so as to contact the back surface of the front plate 24. Is done. At the time of this assembly, the operation unit 25 (operation control unit 23) is electrically connected to the main control device 22 via the connector 43.

  As shown in FIG. 3, the operation control unit 23 includes a computer (CPU), and controls each LED 42 by its software configuration or the like to operate the operation buttons 26a of the operation units 26 to 31. -31a are displayed, and the display units 32-36 are displayed in a form corresponding to the current setting status. At the same time, the operation control unit 23 monitors the touch operation (proximity operation) of the operation buttons 26a to 31a based on the detection signals of the capacitive touch sensors (capacitance detection units 26b to 31b).

  At this time, in the operation panel unit 10, in a normal state (when there is no operation by the user), only the “home” operation button 31a is displayed (operable). 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, when the operation control unit 23 recognizes the touch operation of each of the operation buttons 26a to 31a based on the detection signals of the respective capacitance detection units 26b to 31b, the operation unit 23 displays the display units 32 to 32 according to the operation result. In addition to changing the display of 36, a buzzer sounds a notification sound such as “beep”. At the same time, the operation control unit 23 transmits a setting signal corresponding to the operation to the main control device 22 of the refrigerator body 1. 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.

  Now, the pressing member 39 of this embodiment will be described with reference to FIGS. As shown in FIGS. 4 and 7, the pressing member 39 is made of transparent plastic and has six disk-shaped unit pressing portions 47 arranged in the vertical direction and the adjacent unit pressing portions 47 in the vertical direction. A plurality of connecting portions 48 that are elastically connected to each other are integrally formed. Each of the connecting portions 48 is slightly thinner than each unit pressing portion 47. As described above, each unit pressing portion 47 has a function of pressing (adhering) the capacitance detecting portions 26b to 31b of the flexible switch printed board 40 against the back surface side of the front plate 24. In addition, the unit pressing portion 47 has transparency and allows the light from the LED 42 to pass through.

  At this time, each connecting portion 48 is provided in such a form that its length dimension is larger than the length dimension (diameter dimension) in the vertical direction of one unit pressing portion 47. Specifically, when one unit pressing portion 47 is viewed, it is two locations that are symmetrically positioned from the center of the unit pressing portion 47, and the arrangement direction of the plurality of unit pressing portions 47 (in this case, the vertical direction). The connecting portion 48 is connected at a position shifted with respect to (). Moreover, the connection part 48 is provided so that the unit press part 47 adjacent to the side respectively distant from the connection part in the up-down direction may be connected.

  In other words, the plurality of connecting portions 48 are arranged on the left and right side portions of the arrangement of the plurality of unit pressing portions 47 while being shifted by one pitch (one unit pressing portion 47) vertically on both the left and right sides. The connecting portion 48 positioned on the right side of the unit pressing portion 47 connects the odd-numbered unit pressing portion 47 from the top and the unit pressing portion 47 below it, and the connecting portion 48 positioned on the left side is the even number from the top. The unit pressing part 47 and the unit pressing part 47 below the unit pressing part 47 are connected. That is, in the uppermost (odd number from the top) unit pressing portion 47, the connecting portion 48 is connected at the upper right 45 ° oblique position and the lower left oblique 45 ° position. In the unit pressing portion 47 that is second from the top (even number from the top), the connecting portion 48 is connected at the position of 45 degrees obliquely on the upper left and the position of 45 degrees obliquely on the right.

  The connecting part 48 located on the right side of the arrangement of the unit pressing parts 47 extends from the upper right part of the upper (odd numbered top) unit pressing part 47 obliquely to the upper right and is then folded downward. The second unit pressing portion extends downward, extends to a position slightly below the second (even number from the top) unit pressing portion 47, and then extends obliquely to the left and is the second (even number from the top) unit pressing portion. 47 is connected to the lower right diagonal portion.

  The connecting portion 48 positioned on the left side of the unit pressing portions 47 extends from the upper left side of the even-numbered unit pressing portion 47 to the upper left side, and then is folded downward to extend downward. After extending to a position slightly lower than the (odd-numbered unit pressing portion) 47, the unit pressing portion 47 extends obliquely to the right and is connected to the lower left diagonal portion of the odd-numbered unit pressing portion 47 from above. Of the connecting portions 48 located on the left side of the unit pressing portions 47, the connecting portion 48 connected to the lower left portion of the upper unit pressing portion 47 and the left of the lowermost unit pressing portion 47. Since there is no partner to be connected to each of the connecting parts 48 connected to the oblique upper part, it is cut in the middle, but it is longer than a certain length (half the vertical length of the other connecting parts 48). It is provided extending in length.

  Moreover, in this embodiment, each connection part 48 has the connection end part 48a connected to the said unit press part 47 compared with another part (part which extends the left and right side parts of the unit press part 47 up and down). It is configured to be thick. Although not described in detail, the pressing member 39 is manufactured (integrated molding) by plastic injection molding using an injection mold having a cavity corresponding to the outer shape of the pressing member 39. Yes. At this time, as indicated by symbol G in FIG. 7, the resin injection gate G at that time is arranged in the connection end portion 48 a portion (total of six locations) that is thicker than the other portions of the connecting portion 48. It is configured as follows.

  As shown in FIG. 4, the pressing member 39 configured as described above has some play in a recess 49 provided on the front surface of the shielding plate 38 corresponding to the outer shape of the pressing member 39. It arrange | positions so that it may be inserted. At this time, in the recess 49 of the shielding plate 38, a plurality of protrusions 49a for pushing the connecting portion 48 forward are provided in a narrow groove in which the connecting portion 48 is accommodated. In the present embodiment, the protrusions 49a are positioned at seven locations so that the vertical central portion of each connecting portion 48 is the pressing position, that is, the position P0 indicated by the white triangle in FIG. 7 is pushed forward. Is provided.

  Next, the operation and effect of the above configuration will be described. In the operation panel unit 10 according to the present embodiment, the operation buttons 26 a to 31 a are displayed on the front surface of the front plate 24, and the capacitance detection units 26 b to 26 b are displayed on the back side of the front plate 24. It comprised from the electrostatic capacitance type touch sensor which has arrange | positioned 31b. The user can perform various setting operations related to the operation of the refrigerator by touching the operation buttons 26 a to 31 a of the operation panel unit 10. The operation panel unit 10 can be excellent in design, and it is easy for the user to see the operation buttons 26a to 31a and the display units 32 to 36, and to operate the operation buttons 26a to 31a. I was able to.

  In this case, a flexible switch printed board 40 having a plurality of capacitance detection units 26b to 31b arranged in correspondence with the operation buttons 26a to 31a is disposed on the back surface of the front plate 24. The flexible switch Each unit pressing portion 47 of the pressing member 39 disposed on the back side of the printed board 40 is configured to press the capacitance detecting units 26b to 31b to the back side of the front plate 24 via the name plate film 41. . Thereby, it is possible to detect that the operation buttons 26a to 31a on the front surface of the front plate 24 are touched as capacitance changes by the capacitance detection units 26b to 31b.

  Here, the back surface of the front plate 24 is not necessarily a flat surface, and some unevenness (distortion) such as warping may occur partially. However, in the present embodiment, since the connecting portions 48 that elastically connect the unit pressing portions 47 that are vertically adjacent to each other are configured to be sufficiently long, the connecting portions 48 provide a sufficient spring property, The unit pressing portion 47 can freely move in the front-rear direction. As a result, according to the present embodiment, the unit pressing portion 47 can flexibly follow the unevenness (distortion) shape of the back surface of the front plate 24, and the flexible switch printed board 40 with respect to the back surface of the front plate 24. It is possible to improve the adhesion of each of the electrostatic capacitance detection units 26b to 31b, and to increase the detection accuracy of the touch operation of the operation buttons 26a to 31a.

  Further, particularly in the present embodiment, the connecting portion 48 of the pressing member 39 extends once obliquely upward from the upper portion of the unit pressing portion 47, then turns back and extends to below the unit pressing portion 47 one lower, and obliquely upward. The shape is such that it is folded and connected to the lower portion of the unit pressing portion 47. Thereby, even if the space | interval of the adjacent unit press part 47 is comparatively small, it becomes possible to take the length of the connection part 48 enough, and can obtain high spring property. Moreover, since the connection end portion 48a connected to the unit pressing portion 47 in each connecting portion 48 is configured to be thicker than the other portions, the connection strength at the connection end portion 48a is ensured. However, it is possible to obtain a sufficient spring property as the connecting portion 48 by narrowing other portions.

  By the way, in the present embodiment, the pressing member 39 is manufactured by being integrally molded by plastic injection molding, so that it can be manufactured easily and inexpensively, and the number of parts can be reduced and the assemblability can be improved. it can. At that time, since the molding gate G is arranged in the connection end portion 48a portion thicker than the other portions of the connecting portion 48, the unit pressing portion 47 has a weld line or a gate mark. Can be prevented from coming. At the same time, the gate G can be brought to a thick portion, and the advantage that the flow of the resin can be made smooth can be obtained.

  In the above-described embodiment, a plurality of protrusions 49a for pushing the connecting portion 48 of the pressing member 39 forward are provided in the recess 49 of the shielding plate 38, as shown in FIG. The position P0) indicated by a white triangle is set as the pressing position. As the position (pressing position) where the protrusion 49a is provided, as shown by the arrow P in FIG. In the left and right parts, if a plurality of (a total of 12) protrusions that push the connecting part 48 forward are provided, the pressing force can be further increased. Further, in the above embodiment, the portion extending in the vertical direction of the connecting portion 48 is provided in a straight line, but the connecting portion is provided in a curved shape (for example, extending in the vertical direction by drawing an S-shaped curve). May be. Moreover, not all the connection parts are made into the same shape uniformly, but some connection parts are made smaller than the length dimension of one unit press part among several connection parts, and other connection You may use the connection part from which length differs in one press member, such as making a part larger than the length dimension of one unit press part. Further, the case where the unit pressing portions are arranged in a row in the vertical direction has been described as an example. However, the unit pressing portions may be arranged in the horizontal direction or may be arranged in two rows in the vertical direction.

  In addition, it is not limited to the above-mentioned embodiment, For example, you may make it provide the operation panel part 10 (operation unit 25) in the door 9 on the right side, and the structure (arrangement | positioning) of each chamber of a refrigerator main body. Various modifications can be considered for the type and number of operation units (operation buttons) in the operation panel unit, the display form of the display unit, and the like. Further, various modifications can be made to the specific structure of the operation unit, for example, the type of light source in the circuit board and the structure of the shielding plate. It is.

  In the drawings, 1 is a refrigerator body, 8 is a left door (door), 10 is an operation panel unit, 23 is an operation control unit, 24 is a front plate, 25 is an operation unit, 26 to 31 are operation units, and 26a to 31a are operations. Buttons, 26b to 31b are capacitance detection units, 32-36 are display units, 37 is a circuit board, 38 is a shielding plate, 39 is a pressing member, 40 is a flexible switch printed board, 41 is a nameplate film, and 42 is LED (light source), 47 is a unit pressing portion, 48 is a connecting portion, 48a is a connecting end portion, 49 is a recess, and 49a is a protruding portion.

Claims (4)

A front plate provided on the door of the refrigerator body;
An operation panel unit that is provided on the front surface of the front plate and includes a plurality of operation buttons for performing a setting operation related to the operation of the refrigerator,
A flexible switch printed board having a plurality of capacitance detection units arranged on the back surface of the front plate and corresponding to the operation buttons to detect touch operations of the operation buttons;
A pressing member for pressing each capacitance detection part of the flexible switch printed board against the back side of the front plate;
The pressing member integrally includes a plurality of unit pressing portions corresponding to the capacitance detecting units and a plurality of connecting portions that elastically connect adjacent unit pressing portions to each other. And each said connection part is provided in the form from which the length dimension becomes larger than the length dimension of said one unit press part ,
Further, the pressing members are two units located symmetrically from the center of the unit pressing part, and are adjacent to the far side by the connecting part at positions shifted with respect to the arrangement direction of the plurality of unit pressing parts. Refrigerator configured to be connected to the section . The refrigerator according to claim 1 , wherein the connecting portion is configured such that a connection end connected to the unit pressing portion is thicker than other portions . The pressing member is manufactured by plastic injection molding, and is configured such that a molding gate is disposed at a connection end portion thicker than other portions of the connecting portion. 2. The refrigerator according to 2. A front plate provided on the door of the refrigerator body;
An operation panel unit that is provided on the front surface of the front plate and includes a plurality of operation buttons for performing a setting operation related to the operation of the refrigerator,
A flexible switch printed circuit board having a plurality of capacitance detection unit that detects their touch operation of the operation buttons provided in correspondence with the respective operation buttons are arranged on the rear surface of the front SL front plate,
A pressing member for pressing each capacitance detection part of the flexible switch printed board against the back side of the front plate;
The pressing member integrally includes a plurality of unit pressing portions corresponding to the capacitance detecting units and a plurality of connecting portions that elastically connect adjacent unit pressing portions to each other. And each said connection part is provided in the form from which the length dimension becomes larger than the length dimension of said one unit press part,
The connecting portion is configured such that a connection end connected to the unit pressing portion is thicker than other portions,
The pressing member, while being manufactured by injection molding of plastics, the other thicker connection end portion than the portion of the connecting portion, Tei Ru refrigerated gate for molding is configured to be placed Warehouse.

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