WO2018158977A1 - 冷蔵庫および冷蔵庫扉の製造方法 - Google Patents

冷蔵庫および冷蔵庫扉の製造方法 Download PDF

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Publication number
WO2018158977A1
WO2018158977A1 PCT/JP2017/025357 JP2017025357W WO2018158977A1 WO 2018158977 A1 WO2018158977 A1 WO 2018158977A1 JP 2017025357 W JP2017025357 W JP 2017025357W WO 2018158977 A1 WO2018158977 A1 WO 2018158977A1
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WO
WIPO (PCT)
Prior art keywords
door
refrigerator
electronic component
connector
connector protection
Prior art date
Application number
PCT/JP2017/025357
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
武志 久津輪
勇也 長谷川
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201780055474.8A priority Critical patent/CN110337574A/zh
Priority to JP2019502438A priority patent/JP6877529B2/ja
Publication of WO2018158977A1 publication Critical patent/WO2018158977A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

Definitions

  • One embodiment of the present invention relates to a refrigerator including electronic parts such as a camera and a display panel on a door.
  • Another embodiment of the present invention relates to a method for manufacturing a refrigerator door including an electronic component.
  • Patent Document 1 discloses a refrigerator including an operation unit and a substrate connected to the operation unit on an inner plate of a refrigerator door.
  • the refrigerator of patent document 1 is provided with the door which opens and closes the box which is equipped with a heat insulation part between an outer plate and an inner plate and the front surface opens.
  • substrate storage member which has the board
  • the refrigerator door is mainly composed of an outer plate (also referred to as a front side member) that constitutes the outer shape of the door, an inner plate (also referred to as a rear side member), and the above-described heat insulating layer that exists between them.
  • an outer plate also referred to as a front side member
  • an inner plate also referred to as a rear side member
  • a material for a heat insulating layer (for example, a mixture of a monomer agent, a foaming agent, etc., which is a raw material of polyurethane) is usually mounted on either the outer plate or the inner plate. Immediately after placing, the other of the outer plate and the inner plate is covered from above. Thereby, a sealed space is formed between the outer plate and the inner plate. And in this sealed space, the formation reaction of foamed polyurethane proceeds and a heat insulating layer is formed.
  • a material for a heat insulating layer for example, a mixture of a monomer agent, a foaming agent, etc., which is a raw material of polyurethane
  • a structure is proposed in which an electronic component can be more easily attached to a rear side member of a refrigerator door.
  • the method of manufacturing the refrigerator door which can install an electronic component in a back side member is provided.
  • the refrigerator includes a door and an electronic component installed on the door.
  • the door includes a front-side member, a back-side member disposed to face the front-side member, and a heat insulating layer disposed between the front-side member and the back-side member.
  • a connector protection member having a space for arranging a connector connected to the electronic component is provided.
  • an electronic component installation part to which the electronic component is attached is provided on the back side member side.
  • the electronic component installation portion communicates with the space of the connector protection member, and the electronic component can be connected to the connector from the electronic component installation portion.
  • the connector protection member is preferably formed of a second heat insulating material different from the heat insulating material included in the heat insulating layer.
  • the heat insulating layer may be formed on the front side member, and the connector protection member may be disposed on the heat insulating layer.
  • the electronic component installation portion on the back side member side includes the space for arranging the connector of the electronic component together with the connector protection member.
  • a connector protection member may be provided.
  • the back-side member may be provided with a protrusion, and the electronic component installation portion may be disposed on the protrusion.
  • Another aspect of the present invention relates to a method for manufacturing a refrigerator door including an electronic component.
  • This manufacturing method includes a step of disposing a front side member having a connector protection member and a back side member having an electronic component installation portion, and a foaming heat insulating material between the front side member and the back side member.
  • the method includes at least a step of forming a heat insulating layer by foaming a raw material and a step of attaching the electronic component to the electronic component installation portion.
  • a space for arranging a connector connected to the electronic component is formed in the connector protection member.
  • the front side member and the back side member are arranged so that the space formed in the connector protection member and the electronic component installation portion overlap each other. And place.
  • FIG. 1 It is a front view which shows the external appearance of the refrigerator which concerns on the 1st Embodiment of this invention. It is a top view which shows the structure of the back side of the right refrigerator compartment door with which the refrigerator shown in FIG. 1 was equipped. It is a perspective view which shows the structure of the back side of the front member which comprises the refrigerator compartment door shown in FIG. It is a top view which shows the structure of the front side of the front member of the refrigerator compartment door shown in FIG. It is a top view which shows the structure of the front side of the door back which comprises the refrigerator compartment door shown in FIG. It is a perspective view which shows the structure of the door back of the refrigerator compartment door shown in FIG. It is a perspective view which shows the structure of the front side of the refrigerator compartment door shown in FIG.
  • FIG. It is sectional drawing which shows the internal structure of a part of refrigerator door shown in FIG.
  • This figure is a cross-sectional view taken along line AA of the refrigerator door shown in FIG.
  • (A) And (b) is a perspective view which shows the structure of the door back of the stage in the middle of manufacturing a refrigerator compartment door.
  • (A) And (b) is a perspective view which shows the structure of the front member of the stage in the middle of manufacturing a refrigerator compartment door.
  • This figure is a cross-sectional view of a portion corresponding to the AA line portion of the refrigerator compartment door shown in FIG.
  • FIG. 1 It is a side view which shows the refrigerator compartment door on the right side of the refrigerator which concerns on the 2nd Embodiment of this invention.
  • This figure shows a state in which the camera mounting structure 135 is removed.
  • This figure shows a state in which the camera attachment structure 135 is attached.
  • It is a top view which shows the structure of the back side of the right refrigerator compartment door with which the refrigerator which concerns on the 3rd Embodiment of this invention was equipped.
  • It is sectional drawing which shows the internal structure of the right refrigerator compartment door with which the refrigerator which concerns on the 3rd Embodiment of this invention was equipped.
  • FIG. 1 schematic structure of the refrigerator 1 concerning this embodiment is shown.
  • the refrigerator 1 includes a first refrigeration room in the upper stage, a freezing room in the middle stage, and a second refrigeration room (vegetable room) in the lower stage.
  • each storage room in the refrigerator 1 are not limited to the above.
  • the configuration and arrangement of each storage room can be changed as appropriate according to the capacity, usage, and the like of the refrigerator.
  • the upper first refrigerator compartment is provided with a double door (French door) type refrigerator door 11 (right refrigerator door) and 12 (left refrigerator door) divided into left and right.
  • the right refrigerator compartment door 11 is larger than the left refrigerator compartment door 12.
  • a drawer-type freezer compartment door 13 is provided in the middle freezer compartment.
  • a drawer-type refrigerator compartment door 14 is provided in the lower second refrigerator compartment.
  • each door in the refrigerator 1 is not limited to the above.
  • the doors of each storage room are, for example, a double door system, a system that opens and closes from either the left or right end, a system that can be opened or closed from both sides, and a drawer system. It can be adopted as appropriate.
  • the surface on which the door is provided is the front (front) of the refrigerator. And based on the position which exists when the refrigerator 1 is installed in a normal state on the basis of a front surface, let each surface of the refrigerator 1 be an upper surface, a side surface, a back surface, and a bottom surface. Therefore, in the present specification, when the term “front side” or “back side” is defined, the side where the front or back is provided based on an arbitrary position, or the front or back from an arbitrary position. It means direction. Moreover, in this specification, the direction which goes to the back from the front of the refrigerator 1 and the direction which goes to the front from the back of the refrigerator 1 are called the front-back direction.
  • the direction which goes to the other side surface from the one side surface of the refrigerator 1 is called the left-right direction.
  • the "right side” of the refrigerator or refrigerator door means the side that hits the right side when viewed from the front of the refrigerator, and the "left side” of the refrigerator or refrigerator door is, It means the side that hits the left side when viewed from the front of the refrigerator.
  • a display panel 50 is installed on the right refrigerator door (door or refrigerator door) 11.
  • the display panel 50 is an example of an electronic component provided in the refrigerator compartment door 11.
  • the display panel 50 is disposed in the central portion in the vertical direction of the refrigerator compartment door 11.
  • the display panel 50 can be composed of, for example, a liquid crystal display, an organic EL display, or the like.
  • the display panel 50 can be removable. In this case, the removed display panel 50 can be used as a tablet terminal.
  • the right refrigerator compartment door 11 is provided with a small camera 70 (see FIG. 2).
  • the small camera 70 is also an example of an electronic component provided in the refrigerator compartment door 11.
  • the small camera 70 is for photographing the inside of the refrigerator compartment. Therefore, the small camera 70 is installed on the back side of the refrigerator compartment door 11 (that is, the door back 31).
  • the number of small cameras 70 may be one or plural.
  • the display panel 50 can display refrigerator operation information, refrigerator control information, inventory information, calendar information, recipe information, message information, and the like.
  • the display panel 50 can display a video image in the cabinet taken by the small camera 70.
  • various home page information obtained via the Internet can be displayed. Further, by providing an input device such as a touch sensor on the display surface or edge of the display panel, an input operation can be performed along the display content from the display panel 50.
  • a configuration in which only the small camera is provided in the refrigerator compartment door and the display panel is not provided is also possible.
  • the video data in the warehouse photographed with the small camera is transmitted from the transmission unit in the refrigerator to a tablet terminal or the like at a remote position. Thereby, the image
  • FIG. 2 shows an enlarged view of the back side of the refrigerator compartment door 11.
  • 3 and 4 show the configuration of the front member (front side member) 41 that constitutes the refrigerator compartment door 11.
  • FIG. 3 shows the configuration of the back surface (back surface) side of the front member 41 that is shown.
  • FIG. 4 shows the configuration of the front member 41 on the front (front) side.
  • 5 and 6 show the configuration of the door back (back side member) 31 that constitutes the refrigerator compartment door 11.
  • 5 and 6 show the configuration of the front side of the door back 31 (the side facing the front member 41).
  • FIG. 7 the structure of the front side of the refrigerator compartment door 11 of the state which removed the display panel 50 is shown.
  • FIG. 8 the cross-sectional structure of the open end part side (end part on the opposite side to the edge part in which the hinge is provided) of the refrigerator compartment door 11 is shown.
  • the refrigerator compartment door 11 is opened and closed from the open end side.
  • the back side of the refrigerator compartment door 11 is formed with a door back 31.
  • the door back 31 is formed of, for example, a resin plate member.
  • a plurality of storage pockets 61, 62, and 63 are attached to the door back 31 so as to extend the back of the refrigerator compartment door 11 in the left-right direction.
  • a protruding wall (protrusion) 32 is formed on the back side of the refrigerator compartment door 11 along the outer periphery of the door.
  • the protruding wall 32 is also called a bank or a flange.
  • a center cap 21 is attached to the open end of the refrigerator compartment door 11.
  • a heat radiating pipe for preventing condensation may be disposed inside the center cap 21.
  • a side cap 23 is attached to the right end of the refrigerator compartment door 11 (the end opposite to the open end).
  • a hinge portion 22 is provided inside the side cap 23 (see FIG. 3).
  • three small cameras 70 are provided at the tip of the protruding wall 32 at the open end of the refrigerator compartment door 11.
  • the small camera 70 is constituted by, for example, a CCD camera.
  • the uppermost small camera 70 a is positioned above the storage pocket 61
  • the central small camera 70 b is positioned between the storage pocket 61 and the storage pocket 62, and is the lowermost.
  • the small camera 70 c is located between the storage pocket 62 and the storage pocket 63.
  • the refrigerator compartment door 11 is provided with the front member 41, the door back 31, and the heat insulation layer 44 (refer FIG. 8) as main structural members.
  • the front member 41 is located on the front side of the refrigerator compartment door 11 and constitutes the front of the refrigerator compartment door 11.
  • the door back 31 is disposed to face the front member 41 and constitutes the back side of the refrigerator compartment door 11.
  • the door back 31 is fitted on the back surface of the front member 41, and the side portion is covered with the center cap 21 and the side cap 23, whereby the outer shape of the refrigerator compartment door 11 is formed.
  • the heat insulating layer 44 is disposed between the front member 41 and the door back 31.
  • the heat insulating layer 44 is made of, for example, a vacuum heat insulating material and a foam heat insulating material.
  • the vacuum heat insulating material is a sheet-shaped or plate-shaped heat insulating material.
  • Examples of the foam insulation include foamed polyurethane (also referred to as rigid urethane foam).
  • the vacuum heat insulating material is partially arranged inside the refrigerator casing and each door.
  • the vacuum heat insulating material is formed by covering a core material having fine voids such as glass wool and silica powder with a gas barrier outer covering material (bag-like body, for example, a laminate film), and sealing the inside of the outer covering material under reduced pressure.
  • the vacuum heat insulating material can realize a high heat insulating effect by keeping its internal space in a high vacuum and reducing the amount of heat transmitted through the gas phase as much as possible.
  • a material constituting the vacuum heat insulating material conventionally known materials can be used.
  • a vacuum heat insulating material in a place where particularly high heat insulation is required in the refrigerator.
  • a vacuum heat insulating material at a position facing the display panel 50 in the refrigerator compartment door 11.
  • Polyurethane foam is the main constituent material of the heat insulation layer 44.
  • Foamed polyurethane is a uniform resin foam obtained by mixing a catalyst, a foaming agent, a foaming agent and the like with two main raw materials and simultaneously causing a foaming reaction and a resinification reaction. The foamed polyurethane after completion of the reaction is hard.
  • the front side of the front member 41 is composed of a glass panel installation surface 42a, a display panel installation part 42c, and a glass panel installation surface 42b in this order from the top.
  • a glass panel is attached to the glass panel installation surfaces 42a and 42b.
  • the display panel installation part 42c located in the center part is formed in the position dented from the glass panel installation surfaces 42a and 42b.
  • the display panel 50 is attached to the display panel installation part 42c.
  • harnesses 74 and 75 pass through the display panel installation part 42c. More specifically, the harnesses 74 and 75 pass through the space between the display panel 50 and the display panel installation part 42c.
  • the harness 74 is an assembly of wires that connect the control unit and the power supply unit or display panel 50 provided in the main body of the refrigerator 1 and each small camera 70.
  • the harness 75 is an assembly of wirings that connects the control unit and the power supply unit provided in the main body of the refrigerator 1 and the display panel 50 or the small camera 70. In FIG. 4, a part of the harness 75 is illustrated.
  • the harness 74 extends along the open end (center cap 21 side).
  • the harness 74 extends from the display panel installation part 42c toward the installation part of each small camera 70a, 70b, 70c.
  • a connector 72 is attached to the tip of each harness 74.
  • the connector 72 is connected to the wiring 71 (see FIG. 8) on the small camera 70 side. Thereby, power can be supplied to the small camera 70.
  • image data captured by the small camera 70 can be transmitted to the control board of the display panel 50.
  • a connector protection member 43 is disposed at a position where each connector is disposed.
  • four connector protection members 43 are arranged along the open end (center cap 21 side).
  • the number of connector protection members 43 is not limited to four. The number of connector protection members 43 may be determined according to the number of connectors.
  • the connector protection member 43 is provided with a space P in which the distal end portion of the harness 74 including the connector 72 is accommodated.
  • the space P is obtained by forming a recess on the surface of the connector protection member 43.
  • the connector protection member 43 is preferably formed of a heat insulating material in order to maintain the heat insulating performance of the refrigerator compartment door 11. Further, it is preferable that the space P be formed of a material softer than polyurethane foam, which is a main component of the heat insulating layer 44, so that the space P can be easily formed.
  • the connector protection member 43 is made of foamed polystyrene (second heat insulating material).
  • Styrofoam is formed of polystyrene containing air bubbles. Since the expanded polystyrene is softer than the expanded polyurethane, it can be easily molded into a desired shape. Therefore, in the refrigerator 1 of this embodiment, the polystyrene foam is suitably used as the material for the connector protection member 43 and the second connector protection member 33.
  • FIGS. 5 and 6 show a part of the configuration of the front side of the door back 31 (the side facing the front member 41). Specifically, FIGS. 5 and 6 show a detailed configuration of the open end portion 31a (center cap 21 side) where the harness 74 is disposed.
  • the left end of the door back 31 is 31a, and the right end of the door back 31 is 31b.
  • the left end 31a corresponds to an open end to which the center cap 21 is attached.
  • a plurality of second connector protection members 33 are arranged along the left end 31 a of the door back 31.
  • the second connector protection member 33 is disposed at a position corresponding to the connector protection member 43 of the front member 41. Therefore, in the example shown in FIG. 5, four second connector protection members 33 are arranged along the open end (center cap 21 side) corresponding to the connector protection member 43 on the front member 41 side. .
  • the number of the second connector protection members 33 is not limited to four, and can be appropriately determined according to the number of connectors.
  • a space P is provided in the second connector protection member 33.
  • the space P is obtained by forming a recess in the surface of the second connector protection member 33.
  • the space P formed in the second connector protection member 33 communicates with the space P formed in the front member 41 described above.
  • the distal end portion of the harness 74 including the connector 72 is accommodated.
  • the wiring 71 on the small camera 70 side connected via the connector 72 is also arranged in the space P.
  • the second connector protection members 33 are arranged along the arrangement positions of the protruding walls 32. This is because a small camera 70 corresponding to an electronic component is installed at the tip of the protruding wall 32. Therefore, the space P formed in the second connector protection member 33 penetrates the inside of the protruding wall 32. The space P formed in the second connector protection member 33 corresponds to an electronic component installation part to which an electronic component is attached.
  • the second connector protection member 33 is preferably formed of a heat insulating material in order to maintain the heat insulating performance of the refrigerator compartment door 11. Further, it is preferable that the space P be formed of a material softer than polyurethane foam, which is a main component of the heat insulating layer 44, so that the space P can be easily formed. In the present embodiment, the second connector protection member 33 is formed of foamed polystyrene (second heat insulating material), like the connector protection member 43.
  • the front member 41 and the door back 31 described above are arranged to face each other, and the refrigerator door 11 as shown in FIG. 7 is configured.
  • FIG. 8 shows an internal configuration of the protruding wall 32 on which the small camera 70 is installed.
  • the connector protection member 43 and the second connector protection member 33 are overlapped in the front-rear direction. Then, the spaces P formed in the protection members 43 and 33 communicate with each other to form one space P.
  • a wiring 71, a connector 72, and a harness 74 that are electrically connected to the small camera 70 are arranged.
  • the refrigerator compartment door 11 includes electronic components such as the small camera 70.
  • Such a method of manufacturing the refrigerator door 11 includes a step of disposing the front member 41 having the connector protection member 43 and the door back 31 having the electronic component installation portion, and between the front member 41 and the door back 31. It includes at least a step of forming a heat insulating layer by foaming the raw material of the foamable heat insulating material, and a step of attaching the electronic component to the electronic component installation portion formed on the door back 31 side.
  • the connector protection member 43 has a space P for arranging the connector 72 and the wiring 71 connected to the electronic component.
  • the front member 41 and the door back 31 are arranged so that the space formed in the connector protection member 43 and the electronic component installation portion overlap in the front-rear direction. To do.
  • FIG. 9 and FIG. 9A and 9B show a part of the door back 31 before assembly.
  • the region of the door back 31 shown in these figures corresponds to the region in the broken line frame shown in FIG.
  • FIG. 10A and FIG. 10B show a part of the front member 41 before assembly.
  • region of the front member 41 shown to these figures is corresponded to the area
  • the door back 31 is provided with second connector protection members 33a and 33b.
  • a space P1 is formed in the second connector protection member 33a, and a space P2 is formed in the second connector protection member 33b.
  • the front member 41 is provided with connector protection members 43a and 43b. Further, a space P1 is formed in the connector protection member 43a, and a space P2 is formed in the connector protection member 43b. In addition, the front-end
  • a sheet member 81 is attached to the sheet.
  • a sheet member 82 is attached to the surfaces of the connector protection members 43a and 43b so as to cover the space P1 and the space P2.
  • the sheet members 81 and 82 are, for example, adhesive tapes.
  • a foamed polyurethane raw material is added to one of the front member 41 and the door back 31.
  • the raw material of the foamed polyurethane is a mixture of two main raw materials with a catalyst, a foaming agent, a foaming agent and the like.
  • the front member 41 and the door back 31 are arranged to face each other.
  • the space P1 of the connector protection member 43a and the space P1 of the second connector protection member 33a are opposed to each other, and the space P2 of the connector protection member 43b and the space P2 of the second connector protection member 33b are
  • the front member 41 and the door back 31 are arrange
  • the foamed polyurethane raw material present between the front member 41 and the door back 31 simultaneously causes a foaming reaction and a resinification reaction to form a hard foamed polyurethane that is a resin foam.
  • the heat insulation layer 44 is formed.
  • the spaces P1 and P2 are covered with the sheet member 81 or 82 during the formation reaction of the polyurethane foam. For this reason, even when the space P on the connector protection member 43 side and the space P on the second connector protection member 33 side are slightly shifted or a slight gap is formed, the polyurethane foam is contained in the space P. Can be more reliably suppressed.
  • the small camera 70 is installed at the tip of the protruding wall 32 of the door back 31. Specifically, a part of the portion where the space P of the door back 31 is formed (that is, an electronic component installation portion) is cut out. Then, it enters the space P from the formed notch, and breaks the sheet members 81 and 82. Thereby, the connector 72 accommodated in the space P on the connector protection member 43 side can be pulled out. Further, the wiring 71 of the small camera 70 is passed through the notch formed in the door back 31. Then, the connection of the small camera 70 is completed by connecting the wiring 71 to the connector 72 (see FIG. 8).
  • the cutout portion may be formed in the door back 31 in advance, or an installation location of an electronic component to be installed in the door back 31 may be used as the cutout portion.
  • the periphery of the notch is surrounded by the connector protection member 33 so that the polyurethane foam does not enter the notch.
  • a sealing member such as an adhesive tape to the notch so that the foamed polyurethane does not leak out of the door back 31 from the notch, the foamed polyurethane is generated to form the heat insulation layer 44.
  • the connector 72 can be disposed in the space P formed in the connector protection member 43. Therefore, at the time of manufacturing the refrigerator compartment door 11, the connector 72 can be protected so as not to come into contact with the foamed polyurethane, which is a main component of the heat insulating layer 44. That is, it is possible to suppress the connector 72 from being eroded by the foamed polyurethane that expands and expands during the manufacture of the refrigerator compartment door 11 and buried in the foamed polyurethane.
  • the door back 31 of the refrigerator compartment door 11 is provided with an electronic component installation portion to which an electronic component such as a camera is attached, and this electronic component installation portion communicates with the space P of the connector protection member 43. . Therefore, after the refrigerating room door 11 is assembled, the electronic component can be connected to the connector 72 from the electronic component installation portion of the door back 31. Thereby, an electronic component can be easily installed on the back side of the refrigerator compartment door 11.
  • the connector protection member 43 is formed with the 2nd heat insulating material (for example, polystyrene foam) different from a polyurethane foam. Therefore, the fall of the heat insulation performance of the refrigerator compartment door 11 can be suppressed.
  • the 2nd heat insulating material for example, polystyrene foam
  • the second connector protection member 33 is provided in the electronic component installation portion of the door back 31.
  • the second connector protection member 33 forms a space P for arranging the connector 72 together with the connector protection member 43. Thereby, a larger space for arranging the connector 72 can be secured. Further, by bringing the surface of the connector protection member 43 and the surface of the second connector protection member 33 into contact with each other, the possibility that the polyurethane foam enters the space P in which the connector 72 and the like are accommodated can be reduced.
  • FIG. 11 shows a cross-sectional configuration of the refrigerator compartment door 111 of the refrigerator 1 according to the second embodiment. Moreover, in FIG. 12 and FIG. 13, the left side surface (side surface by the side of an open end part) of the refrigerator compartment door 111 is shown.
  • the refrigerator compartment door 11 includes a front member 141, a door back 131, and a heat insulating layer 44 as main components.
  • the front member 141 can have the same configuration as the front member 41 of the first embodiment.
  • the heat insulation layer 44 can apply the structure similar to the heat insulation layer 44 of 1st Embodiment.
  • the door back 131 has substantially the same configuration as the door back 31 of the first embodiment. However, the door back 131 has a recess 132 on the open end side (that is, the side where the center cap 21 is provided). As shown in FIG. 12, the recess 132 is formed so as to cut out a part of the protruding wall 32. In the present embodiment, a camera mounting structure 135 (electronic component) is attached to the recess 132 (see FIG. 13). That is, the recess 132 of the door back 131 corresponds to an electronic component installation part.
  • a connector protection member 143 is arranged at a place where each connector is arranged. As in the first embodiment, a plurality of connector protection members 143 are arranged along the open end (center cap 21 side).
  • the connector protection member 143 is provided with a space P in which the distal end portion of the harness 74 including the connector 72 is accommodated.
  • the space P is obtained by forming a recess on the surface of the connector protection member 143.
  • the connector protection member 143 is made of foamed polystyrene (second heat insulating material).
  • the second connector protection member 33 is provided at a position corresponding to the connector protection member 43 on the door back 31 side.
  • the door back 131 is not provided with a connector protection member. Therefore, as shown in FIG. 11, the connector protection member 143 is formed so as to contact the door back 131.
  • the front member 141 and the door back 131 are arranged to face each other so that the recess 132 of the door back 31 is located at a position corresponding to the space P formed in the connector protection member 143.
  • the recess 132 is provided with an opening, and the opening opposes the space P formed in the connector protection member 143.
  • a sheet member is attached to the surface of the connector protection member 143 so as to cover the space P. Note that a sheet member may also be attached to the opening of the recess 132.
  • a foamed polyurethane raw material is injected between the front member 141 and the door back 131 to form a hard foamed polyurethane, whereby the heat insulating layer 44 is formed.
  • the camera mounting structure 135 is formed separately from the refrigerator compartment door 111.
  • the camera mounting structure 135 includes a small camera 70, wiring 71, a second connector protection member 133, a mounting portion 136, and the like. A configuration similar to that of the first embodiment can be applied to the small camera 70 and the wiring 71.
  • the mounting portion 136 forms the outer shape of the camera mounting structure 135.
  • the attachment portion 136 can be formed of the same resin material as the material of the door back 131, for example.
  • the attachment portion 136 is disposed so as to protrude rearward from the surface of the door back 131.
  • the attachment portion 136 has a substantially cylindrical shape that is substantially the same shape as the cross section of the protruding wall 32, and a cavity is formed inside. Then, the small camera 70 is attached to one end portion (tip portion) of the attachment portion 136. The other end of the attachment portion 136 is connected to the door back 131.
  • the second connector protection member 133 is disposed inside the attachment portion 136.
  • the second connector protection member 133 is disposed so as to occupy a part of the internal space of the attachment portion 136 having a substantially cylindrical shape. Similar to the connector protection member 143, the second connector protection member 133 is formed of a heat insulating material such as polystyrene foam. In the present embodiment, the second connector protection member 133 is disposed at a position corresponding to the outside of the refrigerator 1.
  • a space P is formed in the attachment portion 136 in an area not occupied by the second connector protection member 133.
  • wiring 71 connected to the small camera 70 is arranged.
  • the space P inside the attachment portion 136 is a space P formed in the connector protection member 143 on the refrigerator compartment door 111 side, It is located so as to overlap at least partially in front view.
  • a space for arranging the connector 72, the wiring 71, and the harness 74 of the small camera 70 is formed by the space P of the connector protection member 143 and the space P of the second connector protection member 133.
  • the camera attachment structure 135 is attached to the refrigerator door 111 after the refrigerator compartment door 111 is formed.
  • the camera attachment structure 135 is attached to the recess 132 of the door back 131, the distal ends of the connector 72 and the harness 74 housed in the space P in the connector protection member 143 are taken out from the opening formed in the recess 132.
  • the sheet member is affixed to the connector protection member 143 or the opening, the sheet member is broken and the distal ends of the connector 72 and the harness 74 are pulled out. Thereafter, the wiring 71 is connected to the connector 72, and the attachment portion 136 is fixed on the door back 131.
  • the small camera 70 can be installed on the back surface of the refrigerator compartment door 111 by attaching the camera attachment structure 135 to the recess 132 of the door back 131.
  • an electronic component can be attached to the door back 131 of the refrigerator compartment door 111 more easily.
  • the camera mounting structure 135 is formed separately from the refrigerator compartment door 111, it can be easily detached from the refrigerator compartment door 111 even when the small camera 70 is replaced due to failure or upgrade. Can do.
  • FIG. 14 shows the configuration of the back side of the refrigerator compartment door 211 of the refrigerator 1 according to the third embodiment.
  • FIG. 15 the cross-sectional structure of the refrigerator compartment door 211 of the refrigerator 1 concerning 3rd Embodiment is shown.
  • the refrigerator compartment door 211 includes a front member 241, a door back 231, and a heat insulating layer 44 as main components.
  • the front member 241 can have the same configuration as the front member 41 of the first embodiment.
  • the heat insulation layer 44 can apply the structure similar to the heat insulation layer 44 of 1st Embodiment.
  • the back side of the refrigerator compartment door 211 is formed with a door back 231.
  • a plurality of storage pockets 61, 62, and 63 are attached to the door back 231.
  • a protruding wall 232 is formed on the back side of the refrigerator compartment door 211 along the outer periphery of the door.
  • the same configuration as in the first embodiment can be applied.
  • a small camera (electronic component) 70 is attached to the protruding wall 32 of the door back 31.
  • a small camera (electronic component) 270 is installed on a flat surface existing inside the protruding wall 232 of the door back 231. That is, the flat part of the door back 231 corresponds to an electronic component installation part.
  • the number of small cameras 270 may be one or plural. In the example shown in FIG. 14, two small cameras 270 are provided.
  • a connector protection member 243 is disposed between the front member 241 and the door back 231.
  • the connector protection member 243 is provided at a place where the connector 272 connected to the wiring 271 of the small camera 270 is disposed.
  • the connector protection member 243 is provided with a space P in which the distal end portion of the harness 274 including the connector 272 is accommodated.
  • the space P is obtained by forming a recess on the surface of the connector protection member 143.
  • the connector protection member 243 is made of foamed polystyrene (second heat insulating material).
  • the second connector protection member 33 is provided at a position corresponding to the connector protection member 43 on the door back 31 side.
  • the door back 231 is not provided with a connector protection member. Therefore, the upper surface of the connector protection member 243 is disposed so as to contact the door back 231.
  • the connector protection member 243 is spaced apart from the front member 241 by a predetermined distance toward the back side. And between the connector protection member 243 and the front member 241, the heat insulation layer 44 formed by the polyurethane foam is arrange
  • a height holding member 245 is provided between the front member 241 and the connector protection member 243. Accordingly, the connector protection member 243 can be disposed on the back surface of the front member 241 while being separated from the front member 241 by a predetermined distance.
  • a part of the heat insulating layer 44 may be a vacuum heat insulating material. In this case, at least a part of the height holding member 245 can be a vacuum heat insulating material.
  • the front member 241 to which the connector protection member 243 is attached via the height holding member 245 and the door back 231 are arranged to face each other, so that the front member 241 and the door back are arranged.
  • the heat insulating layer 44 is formed by foaming a foamable heat insulating material between the two.
  • the small camera 270 is attached to the door back 231 via the attachment portion 275.
  • the attachment part 275 can be formed of the same resin material as that of the door back 231, for example.
  • the attachment portion 275 is disposed so as to protrude rearward from the surface of the door back 231. Then, the small camera 70 is attached to one end portion (surface on the back side) of the attachment portion 275. Further, the other end of the attachment portion 275 is connected to the door back 231.
  • a space P is formed inside the attachment portion 275.
  • a wiring 271 connected to the small camera 270 is arranged.
  • the space P inside the attachment portion 275 is the same as the space P formed in the connector protection member 243 on the refrigerator compartment door 211 side and the front surface. It is positioned so as to overlap in view.
  • the space P for arranging the connector 272, the wiring 271, and the harness 274 of the small camera 270 is formed by the space P of the connector protection member 243 and the space P of the attachment portion 275.
  • an opening 231 a is formed in the door back 231. Then, the connector 272 accommodated in the space P in the connector protection member 243 is taken out from the opening 231a, and the wiring 271 is connected to the connector 272. Thereafter, the attachment portion 275 is fixed on the door back 231.
  • an electronic component such as a camera can be easily attached to a place other than the region where the protruding wall 232 of the door back 231 is formed.
  • the connector protection member 243 is arrange
  • a space P for placement can be formed. Thereby, the heat insulation performance of the refrigerator compartment door 211 can be maintained.
  • Refrigerator 11 Refrigeration room door (door, refrigerator door) 21: Center cap 22: Hinge portion 31: Door back (back side member) 32: protruding wall (protrusion) 33: 2nd connector protection member 41: Front member (front side member) 43: Connector protection member (second heat insulating material) 44: heat insulation layer 50: display panel 70: small camera (electronic component) 71: Wiring 72: Connector 74: Harness 111: Refrigeration room door 131: Door back (back side member) 132: Recess 133: Second connector protection member 135: Camera mounting structure 141: Front member (front side member) 143: Connector protection member (second heat insulating material) 211: Refrigeration room door 231: Door back (back side member) 232: Protruding wall 241: Front member (front side member) 243: Connector protection member (second heat insulating material) 245: Height holding member 270: Small camera (electronic component) 275: Mounting portion P: Space

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
PCT/JP2017/025357 2017-03-03 2017-07-12 冷蔵庫および冷蔵庫扉の製造方法 WO2018158977A1 (ja)

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CN201780055474.8A CN110337574A (zh) 2017-03-03 2017-07-12 冰箱及冰箱门的制造方法
JP2019502438A JP6877529B2 (ja) 2017-03-03 2017-07-12 冷蔵庫および冷蔵庫扉の製造方法

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JPWO2018158977A1 (ja) 2019-12-26
CN110337574A (zh) 2019-10-15
JP6877529B2 (ja) 2021-05-26
TW201833498A (zh) 2018-09-16

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