WO2014112340A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2014112340A1
WO2014112340A1 PCT/JP2014/000079 JP2014000079W WO2014112340A1 WO 2014112340 A1 WO2014112340 A1 WO 2014112340A1 JP 2014000079 W JP2014000079 W JP 2014000079W WO 2014112340 A1 WO2014112340 A1 WO 2014112340A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
refrigerator
support part
support portion
board
Prior art date
Application number
PCT/JP2014/000079
Other languages
English (en)
Japanese (ja)
Inventor
道雄 福田
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to BR112015017076-5A priority Critical patent/BR112015017076B1/pt
Publication of WO2014112340A1 publication Critical patent/WO2014112340A1/fr

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Classifications

    • 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/36—Visual displays
    • F25D2400/361—Interactive visual displays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/064—Limitation of actuating pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/01—Mounting on appliance
    • H01H2223/022—Adhesive
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/032—Operating force
    • H01H2227/034—Regulation of operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/012—Household appliance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/032—Anti-tamper
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/038—Anti-vandalism

Definitions

  • the present invention relates to a refrigerator, and more particularly to a structure of an operation switch unit.
  • the refrigerator is provided with an operation switch unit for setting a cooling temperature or the like on the front surface of the door (see, for example, Patent Document 1).
  • FIG. 7 is a front view of the refrigerator described in Patent Document 1.
  • FIG. FIG. 8 is an enlarged cross-sectional view showing an operation unit of a conventional refrigerator.
  • the conventional refrigerator includes an operation unit 102 on the front surface of the door 101, and the operation unit 102 includes an operation switch unit 103 and a display unit 104.
  • the switch 105 provided in the operation switch unit 103 is an electrostatic switch operated by touching the door glass 106 covering the front surface.
  • the sensitivity of the switch 105 decreases as the distance from the door glass 106 increases.
  • a switch board 107 incorporating a switch 105 is accommodated in a switch case 108 provided with an elastic protrusion 109.
  • the switch substrate 107 is configured to be pressed against the door glass 106 as indicated by an arrow Q.
  • the switch 105 is brought into close contact with the inner surface of the door glass 106, so that the sensitivity is ensured and an operation error can be eliminated.
  • the switch part may be damaged by the operation.
  • the switch 105 strongly pressed by the user pushes the switch board 107 strongly while greatly deforming the elastic protrusion 109 that supports the switch board 107.
  • the switch unit 107 may be out of the mounting portion, or the connection metal foil connected to the switch 105 may be cut, causing problems or damage to the switch unit.
  • the present invention solves the above-described conventional problems, and prevents malfunction and breakage of the switch portion while maintaining the operability of the switch.
  • a refrigerator includes a storage room, a door that covers the front opening of the storage room so as to be openable and closable, a recess provided on the front surface of the door, and a front surface that is installed in the recess.
  • a switch board provided with a switch, a cover covering the front surface of the switch board, and a first support part and a second support part provided behind the switch board are provided.
  • the first support portion has elasticity and elastically supports the switch board.
  • the second support part has a space between it and the switch substrate, and is harder than the first support part.
  • the switch substrate is elastically supported from the rear by the first support portion, so that the distance between the switch and the cover can be appropriately maintained and good operability can be provided.
  • the switch board When the switch board is retreated together with the first support part by being pressed from the front, the switch board contacts the second support part, and therefore does not retreat any further. In this way, it is possible to prevent the switch board from being detached from the mounting portion and the metal foil for connection connected to the switch from being cut. In this way, a highly reliable refrigerator can be realized.
  • FIG. 1 is a front view showing the appearance of the refrigerator according to the embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional view of the refrigerator according to the embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the refrigerator door according to the embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the operation switch portion of the refrigerator according to the embodiment of the present invention.
  • FIG. 5 is an enlarged cross-sectional view showing the relationship between the first support portion provided in the operation switch portion of the refrigerator and the switch substrate according to the embodiment of the present invention.
  • FIG. 6 is an enlarged cross-sectional view showing the relationship between the second support part provided in the operation switch part of the refrigerator and the switch board according to the embodiment of the present invention.
  • FIG. 7 is a front view of a conventional refrigerator.
  • FIG. 8 is an enlarged cross-sectional view showing an operation unit of a conventional refrigerator.
  • the refrigerator according to the first aspect of the present invention includes a storage chamber, a door that covers the front opening of the storage chamber so as to be openable and closable, a recess provided in the front surface of the door, and a switch provided in the front surface that is installed in the recess.
  • the first support part elastically supports the switch board.
  • the second support part has a space between it and the switch substrate, and is harder than the first support part.
  • the switch substrate is elastically supported from the rear by the first support portion, the switch and the cover can be brought into close contact with each other.
  • the switch board When the switch board is retreated together with the first support part by being pressed from the front, the switch board contacts the second support part, and therefore does not retreat any further. In this way, it is possible to prevent the switch board from being detached from the mounting portion and the metal foil for connection connected to the switch from being cut.
  • the refrigerator of the 2nd aspect which concerns on this invention is further equipped with the board
  • the switch and the cover can be brought into close contact with each other, and the trouble or breakage of the switch board can be prevented.
  • the switch is configured by using an electrostatic switch in the first or second aspect.
  • the first support portion has elasticity because the tip is curved.
  • the first support part and the second support part are integrally formed with the substrate case.
  • the first support portion and the second support portion can be easily and accurately manufactured.
  • the first support portion is disposed at a position corresponding to the switch.
  • the switch can be easily brought into close contact with the cover, and good operability can be realized.
  • FIG. 1 is a front view showing an appearance of a refrigerator according to an embodiment of the present invention.
  • the refrigerator main body 1 is a so-called top freezer type refrigerator in which a freezer room 2 as a storage room is provided above a refrigerator room 3 as a storage room.
  • the freezer compartment 2 is provided with a door 7 that covers the opening on the front face so as to be opened and closed.
  • a door 8 is attached to the refrigerating chamber 3 so as to open and close the front opening.
  • An operation unit 9 is provided on the front surface of the door 7, that is, on the surface of the door 7 opposite to the freezer compartment 2.
  • FIG. 2 is a longitudinal sectional view of the refrigerator according to the embodiment of the present invention.
  • the refrigerator main body 1 includes an outer box 4 made of metal such as iron and an inner box 5 made of hard resin such as ABS having an opening in the front. Between the outer box 4 and the inner box 5, a foam heat insulating material 6 such as hard urethane is filled.
  • the refrigerator compartment 3 has a plurality of storage shelves 14 detachably provided and has a plurality of partitioned spaces inside.
  • the doors 7 and 8 have heat insulation properties by the same configuration as the refrigerator main body 1.
  • a cooler 10 a and a blower fan 11 are provided in the cooling chamber 10 provided on the back surface of the freezer compartment 2.
  • the cold air generated in the cooling chamber 10 is supplied to the freezer compartment 2 and the refrigerator compartment 3 through the duct 13.
  • a compressor 12 is provided below the back surface of the refrigerator body 1.
  • a refrigeration cycle for performing a cooling operation is configured by the cooler 10a, the compressor 12, and a condenser, a heat radiating pipe, and a capillary tube (not shown).
  • FIG. 3 is a sectional view of the refrigerator door according to the embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of the operation switch portion of the refrigerator according to the present embodiment.
  • FIG. 5 is an enlarged cross-sectional view showing the relationship between the first support portion provided in the operation switch portion of the refrigerator according to the present embodiment and the switch substrate.
  • FIG. 6 is an enlarged cross-sectional view showing the relationship between the second support portion provided in the operation switch portion of the refrigerator according to the present embodiment and the switch substrate.
  • FIGS. 3 to 6 the right direction and the left direction on the drawings are referred to as the front and rear, respectively. Accordingly, the right surface in the cross section is referred to as the front surface, and the left surface in the cross section is referred to as the rear surface.
  • the recess 15 is formed on the front surface of the door 7.
  • the concave portion 15 is provided with a resin-made rectangular concave substrate case 16.
  • a foam insulation 6 is filled around the substrate case 16.
  • the switch board 17 is installed inside the board case 16, and includes a switch 18 and display means (not shown) on the front surface thereof.
  • the switch 18 is an electrostatic switch for setting the temperature of the freezer compartment 2 and the refrigerator compartment 3.
  • the display means is constituted by an LED or the like.
  • the cover 20 is made of an elastically deformable synthetic resin plate and covers the recess 15 and the switch substrate 17.
  • the cover 20 is attached to the door 7 by engaging claw pieces 20 a provided at appropriate positions on the outer periphery of the cover 20 with the metal surface plate 7 b of the door 7.
  • the cover 20 includes a cylindrical wall 21 that protrudes inside the door 7 in the vicinity of the periphery thereof.
  • the switch board 17 is fitted between several locking projections 22 protruding from the cylindrical wall 21 to the inside of the cylindrical wall 21 and the front plate 20 b of the cover 20. Printing or the like is performed on the inner side (rear surface) of the cover 20 facing the switch 18, and the operation switch unit 23 is configured.
  • the first support portion 24 and the second support portion 25 protrude toward the switch substrate 17 on the inner bottom surface of the substrate case 16, that is, the surface of the substrate case 16 facing the switch substrate 17. , Formed integrally with the substrate case 16.
  • the first support portion 24 and the second support portion 25 are also made of resin, like the substrate case 16. Since the first support portion 24 has a shape whose tip is curved like a hook, it has elasticity in the front-rear direction (lateral direction in FIG. 4). On the other hand, the second support portion 25 has rigidity because of its linear shape.
  • the first support portion 24 is always in contact with the switch substrate 17 and slightly bends backward when pressure is applied from the front side of the operation switch portion 23.
  • the second support portions 25 are distributed and arranged at appropriate positions on the switch board 17. When the first support portion 24 bends backward due to pressure from the front surface, the second support portion 25 is less than the first support portion 24 so that the tip of the second support portion 25 contacts the switch substrate 17. It is as short as 3mm to 0.5mm.
  • the second support portion 25 functions as a spacer that keeps the distance between the substrate case 16 and the switch substrate 17 at a certain distance or more, so that the switch substrate 17 is detached from the attachment portion or connected to the switch. It is possible to prevent the trouble or breakage of the switch substrate 17 that the metal foil for connection is cut.
  • the second support portion 25 has rigidity due to a linear shape, but it is not always necessary to have complete rigidity.
  • the switch board 17 is pressed from the front and retracted together with the first support part 24, the switch board 17 is bent beyond the allowable range by the second support part 25 that is harder than the first support part 24. If not, it is enough.
  • the switch board 17 is elastically supported by the first support portion 24 and is always pressed against the cover 20. Therefore, the sensitivity of the switch 18 is not impaired and good switch performance can be obtained.
  • the operation switch portion 23 is slightly bent when the switch 18 is operated, so that the user operates the membrane switch. Such a feeling can be given. In this way, operability is improved.
  • the switch 18 that is an electrostatic switch can be easily brought into close contact with the cover 20, thereby realizing better operability. can do.
  • a concave box-shaped substrate case 16 is embedded in a recess 15 formed in the foam heat insulating material 6 in the door 7 filled with the heat insulating material 6 and having heat insulation.
  • the first support portion 24 and the second support portion 25 are provided inside the substrate case 16 and configured to support the switch substrate 17.
  • the jig for attaching the substrate case 16 presses the substrate case 16 via the second support portion 25 when manufacturing the door, the back side of the substrate case 16 is caused by the variation in foaming of the foam heat insulating material 6. It is possible to make the unevenness generated in the flat.
  • the first support portion 24 and the second support portion 25 are different in size and shape, but can be formed simultaneously with the substrate case 16 using a mold. Therefore, the 1st support part 24 and the 2nd support part 25 can be manufactured simply and cheaply.
  • the first support portion 24 having a curved tip is only formed on the substrate case 16, it is not necessary to separately use an elastic member such as rubber. Thus, the cost can be reduced by reducing the number of parts.
  • first support portion 24 and the second support portion 25 are formed integrally with the substrate case 16, they are formed with high accuracy by reducing the dimensional variation between the components when they are configured as separate components. can do. Thereby, the contact between the cover 20 and the switch 18 and the deformation allowable amount of the switch substrate 17 can be easily and reliably controlled, and the reliability of the product can be ensured.
  • this embodiment is an example for carrying out the present invention, and some modifications and changes are possible as long as the object of the present invention can be achieved.
  • an electrostatic switch As the switch 18, it is not always necessary to use an electrostatic switch as the switch 18, and another type of switch with a click feeling may be used. When such a switch is used, the accuracy regarding the distance between a cover and a switch is not required compared with an electrostatic switch. However, such a configuration can also be an embodiment of the present invention in that a click feeling can be maintained and a malfunction or breakage of the switch substrate can be prevented.
  • the first support portion 24 has a shape whose tip is curved like a hook. However, any shape having elasticity similar to that of the first support portion 24 is applicable.
  • the contact between the switch and the cover is reliably maintained to achieve good operability, and even if the switch is strongly pressed, the malfunction or breakage of the switch board is prevented. can do. Therefore, the present invention can be applied not only to general consumers but also to other uses such as a commercial refrigerator.

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  • 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)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

Le réfrigérateur de l'invention est équipé: d'une chambre froide ; d'une porte (7) qui couvre une ouverture avant de la chambre froide de manière à permettre son ouverture/fermeture ; d'une partie en retrait (15) agencée dans la face avant de la porte ; d'une plaque de base de commutateur (17) qui est disposée à l'intérieur de la partie en retrait (15), et sur la face avant de laquelle est agencé un commutateur ; d'un couvercle (20) qui couvre la face avant de la plaque de base de commutateur (17) ; et d'une première ainsi que d'une seconde partie soutien (24, 25) agencées à l'arrière de la plaque de base de commutateur (17). La première partie soutien (24) possède une élasticité, et soutient de manière élastique la plaque de base de commutateur (17). La seconde partie soutien (25) est agencée de manière à présenter un espace vis-à-vis de la plaque de base de commutateur (17), et est plus dure que la première partie soutien (24). Selon l'invention, il est possible de maintenir de manière appropriée un intervalle entre le commutateur et le couvercle, et d'obtenir une maniabilité satisfaisante, et simultanément de réaliser un réfrigérateur de haute fiabilité sans risque d'anomalies ni de dommages de la plaque de base de commutateur, même en cas de forte pression subie par le commutateur.
PCT/JP2014/000079 2013-01-17 2014-01-10 Réfrigérateur WO2014112340A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR112015017076-5A BR112015017076B1 (pt) 2013-01-17 2014-01-10 Refrigerador

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-006028 2013-01-17
JP2013006028A JP6167281B2 (ja) 2013-01-17 2013-01-17 冷蔵庫

Publications (1)

Publication Number Publication Date
WO2014112340A1 true WO2014112340A1 (fr) 2014-07-24

Family

ID=51209438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/000079 WO2014112340A1 (fr) 2013-01-17 2014-01-10 Réfrigérateur

Country Status (3)

Country Link
JP (1) JP6167281B2 (fr)
BR (1) BR112015017076B1 (fr)
WO (1) WO2014112340A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019052795A (ja) * 2017-09-15 2019-04-04 日立アプライアンス株式会社 操作パネル及びこれを有する冷蔵庫
JP6797091B2 (ja) * 2017-09-20 2020-12-09 日立グローバルライフソリューションズ株式会社 冷蔵庫及びこの製造方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002182831A (ja) * 2000-12-11 2002-06-28 Shin Etsu Polymer Co Ltd キースイッチ用部材
JP2005078897A (ja) * 2003-08-29 2005-03-24 Nec Corp 情報端末の基板保持構造
JP2006153357A (ja) * 2004-11-30 2006-06-15 Matsushita Electric Ind Co Ltd 冷蔵庫
JP2007142212A (ja) * 2005-11-18 2007-06-07 Kenwood Corp 露出部材の固定構造
JP2007298242A (ja) * 2006-05-01 2007-11-15 Toshiba Corp 冷蔵庫
JP2009090948A (ja) * 2007-10-12 2009-04-30 Kojima Press Co Ltd 車両用２段押し下げスイッチ
US20090115738A1 (en) * 2007-11-07 2009-05-07 Coretronic Corporation Display with touch panel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002182831A (ja) * 2000-12-11 2002-06-28 Shin Etsu Polymer Co Ltd キースイッチ用部材
JP2005078897A (ja) * 2003-08-29 2005-03-24 Nec Corp 情報端末の基板保持構造
JP2006153357A (ja) * 2004-11-30 2006-06-15 Matsushita Electric Ind Co Ltd 冷蔵庫
JP2007142212A (ja) * 2005-11-18 2007-06-07 Kenwood Corp 露出部材の固定構造
JP2007298242A (ja) * 2006-05-01 2007-11-15 Toshiba Corp 冷蔵庫
JP2009090948A (ja) * 2007-10-12 2009-04-30 Kojima Press Co Ltd 車両用２段押し下げスイッチ
US20090115738A1 (en) * 2007-11-07 2009-05-07 Coretronic Corporation Display with touch panel

Also Published As

Publication number Publication date
JP2014137910A (ja) 2014-07-28
BR112015017076B1 (pt) 2022-04-05
JP6167281B2 (ja) 2017-07-26
BR112015017076A2 (pt) 2017-07-11

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