WO2020049630A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2020049630A1
WO2020049630A1 PCT/JP2018/032742 JP2018032742W WO2020049630A1 WO 2020049630 A1 WO2020049630 A1 WO 2020049630A1 JP 2018032742 W JP2018032742 W JP 2018032742W WO 2020049630 A1 WO2020049630 A1 WO 2020049630A1
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WO
WIPO (PCT)
Prior art keywords
damper device
refrigerator
air passage
lead wire
baffle
Prior art date
Application number
PCT/JP2018/032742
Other languages
English (en)
Japanese (ja)
Inventor
荒木 正雄
貴紀 谷川
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2018/032742 priority Critical patent/WO2020049630A1/fr
Priority to JP2020540895A priority patent/JP6956886B2/ja
Publication of WO2020049630A1 publication Critical patent/WO2020049630A1/fr

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts

Definitions

  • the present invention relates to a refrigerator that suppresses a malfunction of a damper device that opens and closes an air passage that supplies air to a storage room.
  • a refrigerator compartment is arranged at the top, and other storage compartments are arranged below the refrigerator compartment.
  • the opening on the front side of the refrigerator compartment is openable and closable, for example, with a double door.
  • the other storage rooms are openable and closable with, for example, a drawer-type door.
  • the other storage rooms are, for example, an ice making room, a small freezing room, a freezing room, and a vegetable room.
  • the following configuration is adopted in order to keep each storage room of the refrigerator at a predetermined temperature.
  • the storage room is provided with a temperature sensor for detecting the temperature in the storage room.
  • a damper device that opens and closes the air passage is provided in an air passage that supplies cool air, which is air cooled by the cooler, to the storage room.
  • This damper device has a part of an air passage for supplying cool air to the storage room.
  • the damper device includes a baffle that opens and closes the air path, and a drive unit that operates the baffle by a driving force of a motor. When the damper device closes the air passage that supplies cool air to the storage room, the baffle contacts the peripheral edge of the air passage in the damper device from above, and closes the air passage.
  • the inside of the housing is divided into a plurality of storage rooms by partitioning the inside of the housing composed of the inner box and the outer box with partitioning parts.
  • a conventional refrigerator in which a damper device is embedded in a partition part to increase the capacity of a storage room (for example, see Patent Document 1). More specifically, a recess for accommodating a lower portion of the damper device is formed in a partition part in which a part of the upper surface forms the lower surface of the storage room, behind a portion forming the lower surface of the storage room.
  • the partition part having the concave portion is provided with a dam that projects upward in front of the concave portion in order to prevent moisture from entering the concave portion.
  • the damper device is installed with at least a lower portion embedded in the recess.
  • a contact portion between the baffle and the peripheral edge of the air passage in the damper device is disposed below the dam. It will be.
  • the air path for supplying cool air to the storage room is closed by the contact between the baffle and the peripheral edge of the air path in the damper device. That is, in a state in which the air path is closed, the surface of the baffle on the side in contact with the peripheral edge of the air path is in a state of being cooled by the cool air generated by the cooler. At this time, the temperature of the cool air generated by the cooler is as low as about ⁇ 20 ° C. Therefore, if water adheres to the surface of the baffle on the side in contact with the periphery of the air path, the water freezes and the baffle and the periphery of the air path in the damper device are fixed, and the baffle may malfunction. May be. When the baffle malfunctions as described above, it becomes impossible to supply cool air to the storage room.
  • a contact portion between the baffle and the peripheral edge of the air passage in the damper device is It will be located below the dam. That is, when the damper device is embedded and installed in the partition part, the condition is such that water easily adheres to the surface of the baffle on the side in contact with the peripheral edge of the air path. Further, when the damper device is embedded in a partition part constituting the lower surface of the storage room where the set temperature is in the refrigeration temperature zone, when water spills in the storage room, the water does not freeze in the storage room. It is easy to get over the dam.
  • the refrigerated temperature zone is a temperature zone higher than 0 ° C. That is, the storage room where the set temperature is in the refrigeration temperature zone is a storage room where the set temperature is higher than 0 ° C.
  • the driving unit of the damper device operates the baffle by the driving force of the motor. Therefore, it is necessary to connect a lead wire to the drive unit of the damper device in order to supply power to the motor, transmit a control signal to the motor, and the like.
  • the lead wire is routed while being housed in a groove formed in a heat insulating component around the damper device. At this time, conventionally, the way of leading the lead wire is determined after securing the cross-sectional area of the flow path of the air passage and determining the shape of the concave portion in which the damper device is embedded. For this reason, there is little design freedom in the arrangement of the grooves for accommodating the lead wires.
  • the lead wire portion located in the concave portion in plan view may be routed to a position lower than the bank.
  • a damper device in which a damper device is embedded in a partition part constituting a lower surface of a storage room in which a set temperature is in a refrigeration temperature zone, in a conventional refrigerator, water passing over a dam flows along a groove for accommodating a lead wire and baffles.
  • the baffle adheres to the side of the air passage in contact with the peripheral edge of the air path, and the baffle adheres to the peripheral edge of the air path in the damper device, resulting in malfunction of the baffle.
  • the present invention has been made in order to solve the above-mentioned problem, and in a refrigerator in which a damper device is embedded in a partition part constituting a lower surface of a storage room where a set temperature is a refrigeration temperature zone, a baffle by freezing is provided. It is an object of the present invention to obtain a refrigerator that can suppress malfunctions more than before.
  • a refrigerator includes a storage room in which a set temperature is in a refrigeration temperature zone, a partition part in which a part of an upper surface forms a lower surface of the storage room, and a damper that opens and closes an air path for supplying air to the storage room. And a device, wherein the partitioning part is formed at the rear of a portion constituting the lower surface of the storage room, a recess is formed at the top thereof, and a lower portion of the damper device is accommodated therein, and a recess is formed in front of the recess. And a dam that protrudes upward.
  • the damper device includes a baffle that forms a first air passage that is a part of an air passage that supplies air to the storage chamber, and that opens and closes the first air passage, and a motor.
  • the contact portion between the baffle and the peripheral edge is disposed below the dam, and the lead wire is located in the recess in a plan view. The located portion is disposed above the bank.
  • the refrigerator according to the present invention a portion of the lead wire connected to the drive unit of the damper device, which is located in the recess for housing the lower portion of the damper device in plan view, is disposed above the dam. .
  • the water that has climbed over the weir adheres to the surface of the baffle on the side that comes into contact with the peripheral edge of the first air passage along the groove that houses the lead wire, as compared with the conventional case. Can be suppressed. Therefore, the refrigerator according to the present invention can suppress the malfunction of the baffle due to freezing as compared with the conventional case.
  • FIG. 1 It is a front view of the refrigerator concerning an embodiment of the invention. It is AA sectional drawing of FIG. It is the exploded perspective view which looked at the damper device of the refrigerator concerning an embodiment of the invention from the front left side. It is the longitudinal section which looked at the damper device of the refrigerator concerning an embodiment of the invention from the right side. It is the perspective view which looked at the damper device of the refrigerator concerning an embodiment of the invention from back right. It is the exploded perspective view which looked at the damper device part ASSY of the refrigerator concerning an embodiment of the invention from back right. It is the perspective view which looked at the damper device part ASSY of the refrigerator which concerns on embodiment of this invention from the front left side.
  • FIG. 1 is a front view of the refrigerator according to the embodiment of the present invention.
  • FIG. 2 is a sectional view taken along line AA of FIG.
  • Refrigerator 100 includes a box-shaped housing 90 having an open front portion.
  • the housing 90 includes an outer box 53 forming an outer peripheral surface of the housing 90 and an inner box 52 forming an inner peripheral surface of the housing 90.
  • a heat insulating material 34 such as urethane foam is provided between the outer box 53 and the inner box 52.
  • a vacuum heat insulating material may be provided as the heat insulating material 34 between the outer box 53 and the inner box 52.
  • the interior of the housing 90 is partitioned by partitioning components. Thereby, a plurality of storage rooms each having an opening at the front surface are formed in the housing 90.
  • the inside of the housing 90 is vertically partitioned by a partition component 35, a partition component 36, and a partition component 37.
  • the partition 35 and the partition 36 are also horizontally separated by a partition (not shown).
  • the refrigerator 100 includes a refrigerator room 1, an ice making room 2, a small freezing room 3, a freezing room 4, and a vegetable room 5 as storage rooms.
  • the refrigerator compartment 1 is arranged at the top of the storage compartment. That is, refrigerator 100 according to the present embodiment is a worktop refrigerator.
  • the ice making room 2 and the small freezing room 3 are arranged below the refrigeration room 1. That is, a part of the upper surface of the partition part 35 constitutes the lower surface of the refrigerator compartment 1.
  • the refrigeration room 1 is a storage room in which the set temperature is in the refrigeration temperature zone.
  • the refrigerated temperature zone is a temperature zone higher than 0 ° C. That is, the storage room where the set temperature is in the refrigeration temperature zone is a storage room where the set temperature is higher than 0 ° C. Therefore, the partition member 35 constitutes the lower surface of the storage room where the set temperature is in the refrigeration temperature zone by a part of the upper surface.
  • a part of the lower surface of the partition component 35 constitutes the upper surfaces of the ice making room 2 and the small freezing room 3.
  • a part of the upper surface of the partition member 36 constitutes the lower surface of the ice making room 2 and the small freezing room 3.
  • the freezing room 4 is arranged below the ice making room 2 and the small freezing room 3. That is, a part of the lower surface of the partition component 36 constitutes the upper surface of the freezer compartment 4.
  • a part of the upper surface of the partition member 37 constitutes the lower surface of the freezer compartment 4.
  • the vegetable room 5 is arranged below the freezing room 4. That is, a part of the lower surface of the partition part 37 constitutes the upper surface of the vegetable compartment 5.
  • the refrigerator compartment 1, the ice making compartment 2, the small freezing compartment 3, the freezing compartment 4, and the vegetable compartment 5 are examples of a storage compartment of the refrigerator 100.
  • the type and arrangement of the storage room provided in refrigerator 100 are not limited to the above-described configuration.
  • Each opening formed in the front of these storage rooms is covered with a door so that it can be opened and closed.
  • a left door 6 and a right door 7 are provided in an opening on the front surface of the refrigerator compartment 1.
  • the left end of the left door 6 is rotatably connected to the housing 90.
  • the right end of the right door 7 is rotatably connected to the housing 90. That is, the opening on the front surface of the refrigerator compartment 1 is openably and closably covered by the double door.
  • the opening at the front of the ice making chamber 2 is openably and closably covered by a drawer-type door 33.
  • the opening on the front surface of the small freezing room 3 is openably and closably covered by a drawer type door 30.
  • the opening at the front of the freezer compartment 4 is openably and closably covered by a drawer-type door 31.
  • the opening at the front of the vegetable compartment 5 is openably and closably covered by a drawer-type door 32.
  • a plurality of pockets 20 for storing items are provided at different positions in the height direction.
  • three pockets 20 are attached to at least one of the left door 6 and the right door 7.
  • the inside of the refrigerator compartment 1 is partitioned by three shelves 19.
  • the lower part of the lowermost shelf 19 is a chilled room 17.
  • the chilled room 17 is set to a temperature lower than the temperature of the refrigerator room 1. For example, when the temperature of the refrigerator compartment 1 is about 3 ° C., the temperature of the chilled compartment 17 is set to about 0 ° C., for example.
  • the chilled chamber 17 is provided with a case 18 for storing stored items.
  • the small freezing room 3 is provided with a case 25 for storing stored items.
  • the freezer compartment 4 is provided with an upper case 26 and a lower case 27 for storing stored items.
  • the vegetable room 5 is provided with an upper case 28 and a lower case 29 for storing the stored items.
  • the refrigerator 100 includes a refrigerating cycle for cooling each storage room.
  • This refrigeration cycle is a general one, and is configured by sequentially connecting a compressor 14, a condenser (not shown), a throttle mechanism such as a capillary (not shown), and a cooler 11 in sequence. That is, the refrigerant compressed to a high temperature and a high pressure by the compressor 14 is sent to the condenser, and radiates heat mainly outside the refrigerator 100 to be condensed. The condensed refrigerant is sent to the cooler 11 after being decompressed by the throttle mechanism. Then, the refrigerant sent to the cooler 11 cools the air around the cooler 11.
  • the cooler 11 is provided in a cooler room 91 formed behind the freezing room 4.
  • the cooler room 91 is separated from the freezing room 4 by a fan grill 15. That is, the cooler 11 cools the air in the cooler chamber 91. Further, the cooler room 91 and each storage room communicate with each other through an air passage.
  • an in-compartment fan 10 is provided downstream of the cooler 11. That is, by driving the in-compartment fan 10, the air cooled by the cooler 11 circulates and cools each storage room.
  • the air path component 21 is provided at the rear part of the housing 90.
  • the air path component 21 forms the back surface of the refrigerator compartment 1.
  • the chilled chamber 17 is also formed in the refrigerator compartment 1.
  • the air path component 21 also forms the back surface of the chilled chamber 17.
  • An air path 24 is formed in the air path component 21.
  • the air path component 21 is formed with, for example, a plurality of air outlets 22 that communicate the air path 24 with the refrigerator compartment 1. That is, the cool air supplied from the cooler room 91 to the air passage 24 is blown out from the outlet 22 into the refrigerator compartment 1.
  • the air passage 24 communicates with the cooler room 91 via an air passage formed in the damper device 9 described later.
  • the air passage 24 and the air outlet 22 constitute an air passage for supplying air from the cooler room 91 to the refrigerator compartment 1 together with an air passage formed in the damper device 9 described later.
  • the air path component 21 is also provided with an air path for supplying air from the cooler chamber 91 to the chilled chamber 17.
  • the air path component 21 includes, as an air path that supplies air from the cooler chamber 91 to the chilled chamber 17, an air path 80 described later communicating with the cooler chamber 91, An air outlet 23 communicating with the chamber 17 is formed. That is, the cool air supplied from the cooler room 91 to the air passage 80 is blown out from the outlet 23 into the chilled room 17.
  • the cool air generated by the cooler 11 is about ⁇ 20 ° C., which is lower than the set temperature of the refrigerator compartment 1.
  • a damper device 9 is provided between the air passage 24 of the air passage component 21 and the cooler room 91.
  • the amount of cold air supplied from the cooler room 91 to the refrigerator compartment 1 is adjusted by opening and closing the air passage for supplying air from the cooler room 91 to the refrigerator compartment 1 by the damper device 9. Is kept near the set temperature.
  • the refrigerator 100 includes a temperature sensor 38 for detecting the temperature in the refrigerator compartment 1.
  • the temperature sensor 38 is attached, for example, to the surface of the air path component 21.
  • the installation position of the temperature sensor 38 is arbitrary.
  • the damper device 9 includes a baffle 45 that opens and closes an air path formed in the damper device 9.
  • the refrigerator 100 includes a control board 16 that operates the baffle 45 based on the temperature detected by the temperature sensor 38. The control board 16 operates the baffle 45 so that the temperature detected by the temperature sensor 38 becomes the set temperature of the refrigerator compartment 1, and adjusts the amount of cool air supplied from the cooler compartment 91 to the refrigerator compartment 1.
  • the cool air supplied to the refrigerator compartment 1 returns to the cooler room 91 through a return air passage (not shown), and is cooled again by the cooler 11.
  • the control board 16 controls other than the operation of the baffle 45.
  • the control board 16 controls other than the operation of the baffle 45.
  • at least a part of the storage rooms is provided with a heater for temperature compensation.
  • a dew-prevention heater is installed on partition plate 8 and the like arranged between left door 6 and right door 7. The control board 16 also controls energization of these heaters.
  • the conventional refrigerator there is a refrigerator separately provided with a cooler for cooling the air supplied to the freezer compartment and a cooler for cooling the air supplied to the refrigerator compartment.
  • the air can be cooled to a temperature near the set temperature of the refrigerator by the cooler, and the air can be supplied to the refrigerator.
  • this type of refrigerator often does not require a damper device for adjusting the amount of cold air supplied to the refrigerator.
  • this type of refrigerator needs to be provided with an internal fan for each cooler.
  • the temperature of the air supplied to the storage chamber is determined by the flow rate of the refrigerant flowing to each cooler, so that the control of the flow rate of the refrigerant flowing to each cooler becomes very complicated.
  • the refrigerator 100 according to the present embodiment supplies the air cooled by the same cooler 11 to both the refrigerator compartment 1 and the freezer compartment 4. For this reason, as described above, the refrigerator 100 according to the present embodiment needs to adjust the amount of cool air supplied to the refrigerator compartment 1 by the damper device 9. However, in the refrigerator 100 according to the present embodiment, it is possible to easily control the flow rate of the refrigerant flowing to the cooler 11, and to easily control the temperature in the refrigerator compartment 1.
  • Refrigerator 100 also includes a drain pan 13 that receives water generated by defrosting of cooler 11.
  • the drain pan 13 is installed in a machine room 92 formed below the housing 90.
  • the compressor 14 is also installed in the machine room 92. Therefore, the temperature inside the machine room 92 is relatively high. Therefore, the water discharged to the drain pan 13 evaporates.
  • FIG. 3 is an exploded perspective view of the refrigerator damper device according to the embodiment of the present invention as viewed from the front left side. That is, FIG. 3 is an exploded perspective view of the damper device 9 viewed from the front left side of the refrigerator 100.
  • FIG. 4 is a vertical sectional view of the refrigerator damper device according to the embodiment of the present invention as viewed from the right side. That is, in FIG. 4, the left side of the drawing is the front side of the refrigerator 100 and the front side of the damper device 9, and the right side of the drawing is the rear side of the refrigerator 100 and the rear side of the damper device 9.
  • FIG. 4A shows a state of the damper device 9 in which the first air passage 47 is open.
  • FIG. 4A shows a state of the damper device 9 in which the first air passage 47 is open.
  • FIG. 4B shows a state of the damper device 9 in which the first air passage 47 is closed.
  • FIG. 5 is a perspective view of the damper device of the refrigerator according to the embodiment of the present invention as viewed from the rear right side. That is, FIG. 5 is a perspective view of the damper device 9 viewed from the rear right side of the refrigerator 100.
  • the front-rear direction and the left-right direction of the configuration of the refrigerator 100 are described, the direction in which the configuration is installed in the refrigerator 100 is assumed.
  • the damper device 9 includes a driving unit 39, a frame unit 40, and a baffle 45.
  • the housing of the drive section 39 and the frame section 40 are fastened with screws 41.
  • the drive unit 39 includes a motor 42 that is, for example, a stepping motor, and a plurality of gears 43 that reduce the rotation of the motor 42.
  • the driving section 39 includes a driving pin 44 connected to one of the plurality of gears 43 and outputting the rotation of the motor 42 after deceleration by the plurality of gears 43.
  • the driving pin 44 is connected to one of the lateral ends of the baffle 45. That is, the driving section 39 operates the baffle 45 by the driving force of the motor 42.
  • a first air passage 47 which is a through hole is formed in the frame portion 40.
  • the first air path 47 is an air path that connects the cooler room 91 and the air path 24 of the air path component 21. That is, the first air passage 47 forms a part of an air passage that supplies air from the cooler room 91 to the refrigerator compartment 1.
  • the frame portion 40 includes a rib 48 protruding upward at a peripheral portion of the first air passage 47.
  • the baffle 45 opens and closes the first air passage 47, and is disposed above the first air passage 47 of the frame unit 40.
  • One of the lateral ends of the baffle 45 is connected to the driving pin 44 of the drive unit 39 as described above.
  • the other of the lateral ends of the baffle 45 is rotatably connected to the frame unit 40.
  • the other rotation center of the lateral end of the baffle 45 is arranged coaxially with the center axis of the driving pin 44. For this reason, the baffle 45 can swing about the center axis of the driving pin 44 by the driving force of the motor 42 of the driving unit 39.
  • the baffle 45 has a seal member 46 on one surface.
  • the sealing material 46 is, for example, a polyethylene sealing material that hardly contains water.
  • FIG. 4B when the baffle 45 rotates so as to approach the first air passage 47, the sealing material 46 comes into contact with the rib 48 around the first air passage 47 from above. As a result, the first air passage 47 is closed, and the air passage for supplying air from the cooler room 91 to the refrigeration room 1 is also closed.
  • FIG. 4A when the baffle 45 rotates so as to separate from the first air passage 47, the seal member 46 separates from the rib 48 on the peripheral edge of the first air passage 47. Thereby, the first air passage 47 is opened, and the air passage for supplying air from the cooler room 91 to the refrigerator compartment 1 is also opened.
  • the driving unit 39 of the damper device 9 operates the baffle 45 by the driving force of the motor 42. For this reason, it is necessary to connect a lead wire to the drive unit 39 of the damper device 9 in order to supply power to the motor 42, transmit a control signal to the motor 42, and the like. Therefore, the damper device 9 includes a lead wire 68 described later. As shown in FIG. 5, the drive section 39 includes a connection section 49 at an upper portion on the right rear side. A later-described lead wire 68 is connected to the connection portion 49 using, for example, a connector.
  • the damper device 9 according to the present embodiment is a damper device in which only the first air passage 47 communicating with the refrigerator compartment 1 is formed as an air passage communicating with the storage room. That is, the damper device 9 according to the present embodiment is a so-called single type damper device. However, in the conventional damper device, two air passages communicating with different storage rooms are formed, and there is also a damper device that opens and closes each air passage with two independently operating baffles. That is, a so-called twin type damper device also exists in the conventional damper device. The damper device 9 according to the present embodiment may be such a twin-type damper device. When the damper device 9 is a twin type, the damper device 9 can adjust the amount of cold air supplied to the storage room other than the refrigerator room 1 in addition to the amount of cold air supplied to the refrigerator room 1. Become.
  • the front part of the upper surface of the partition component 35 constitutes the lower surface of the refrigerator compartment 1.
  • the damper device 9 is installed so that the lower part of the damper device 9 is buried behind a portion constituting the lower surface of the refrigerator compartment 1 in the partition part 35.
  • the damper device 9 and the heat insulating part 59 installed on the upper portion of the damper device 9 are assembled in advance as a damper device unit ASSY64.
  • this damper device part ASSY64 is attached to the partition component 35. Therefore, hereinafter, the damper device section ASSY64 will be described first. After that, a method of attaching the damper device assembly ASSY64 to the partition component 35 will be described.
  • FIG. 6 is an exploded perspective view of the damper device assembly ASSY of the refrigerator according to the embodiment of the present invention as viewed from the rear right side.
  • FIG. 7 is a perspective view of the damper device assembly ASSY of the refrigerator according to the embodiment of the present invention as viewed from the front left side.
  • the heat insulating component 59 is a component formed of a heat insulating material such as expanded styrene. The heat insulating component 59 is combined with the damper device 9 so as to cover the damper device 9 from above.
  • a second air passage 55a is formed in the heat insulating component 59. The second air path 55a is located above the first air path 47 of the damper device 9 and below the air path 24 of the air path component 21.
  • the second air path 55 a communicates with the first air path 47 of the damper device 9 and the air path 24 of the air path component 21, and a part of the air path that supplies air from the cooler chamber 91 to the refrigerator compartment 1.
  • the heat insulating part 59 is also formed with an air path 56a that communicates with an air path 80 of the air path part 21 described later. That is, the air passage 56 a forms a part of an air passage that supplies air from the cooler room 91 to the chilled room 17.
  • FIG. 8 is an exploded perspective view of the partition part and the damper device assembly ASSY of the refrigerator according to the present invention as viewed from the front right side.
  • FIG. 9 and FIG. 10 are exploded perspective views of a part of the partition part and the damper device assembly ASSY of the refrigerator according to the present invention as viewed from the front left side.
  • FIG. 11 is a perspective view of a part of the partition part and the damper device assembly ASSY of the refrigerator according to the present invention as viewed from the front left side.
  • FIG. 12 is a vertical sectional view of a part of the partition part of the refrigerator according to the present invention and the damper device assembly ASSY viewed from the right side.
  • the partition component 35 includes an upper member 50, a lower member 51, and a heat insulating component 54.
  • the upper member 50 is formed of, for example, a resin and is a member that forms the upper surface of the partition member 35. In other words, the front part of the upper surface of the upper member 50 forms the lower surface of the refrigerator compartment 1.
  • the lower member 51 is formed of, for example, a resin, and is a member that forms the lower surface of the partition component 35.
  • the heat insulating component 54 is formed of a heat insulating material such as expanded styrene. In a plan view, the heat-insulating component 54 is disposed between the upper member 50 and the lower member 51 behind a portion of the partition component 35 that forms the lower surface of the refrigerator compartment 1.
  • the upper member 50 and the lower member 51 are fixed with screws 41 with the heat insulating component 54 sandwiched therebetween.
  • the partition member 35 has a hollow inside before being attached to the housing 90. Then, when the partition member 35 is attached to the inner box 52 of the housing 90 and the heat insulating material 34 is foam-filled between the inner box 52 and the outer box 53, the partition member 35 is inserted through the through hole formed in the side surface. A heat insulating material 34 is filled and foamed inside.
  • a concave portion 81 having an open top is formed in the heat insulating component 54.
  • An opening is formed in the upper member 50 in an area facing the recess 81.
  • the concave portion 81 is formed, for example, at a substantially central portion in the left-right direction.
  • the lower part of the damper device 9 is accommodated in the recess 81.
  • the lower part of the heat insulating component 59 is also housed in the recess 81. More specifically, a sealing material 58 is attached to the bottom of the recess 81 in a range facing the lower part of the heat insulating component 59.
  • the lower part of the damper device part ASSY 64 that is, the lower part of the damper device 9 and the lower part of the heat insulating component 59 are accommodated in the recess 81.
  • the upper member 50 of the partition member 35 includes a dam 69 that projects upward in front of the concave portion 81 in order to prevent water spilled in the refrigerator compartment 1 from entering the concave portion 81.
  • an air path 55b and an air path 56b are formed.
  • An opening is formed in the lower member 51 in a range facing the air passage 55b and the air passage 56b.
  • the air passage 55b is located below the first air passage 47 of the damper device 9 and above the cooler room 91.
  • the air passage 55 b communicates with the first air passage 47 of the damper device 9 and the cooler room 91, and constitutes a part of an air passage that supplies air from the cooler room 91 to the refrigerator compartment 1.
  • the air path 56b is located below the air path 56a of the heat insulating component 59 and above the cooler room 91.
  • the air passage 56b communicates with the air passage 56a of the heat insulating component 59 and the cooler room 91, and forms a part of an air passage that supplies air from the cooler room 91 to the chilled room 17.
  • the heat insulating part 54 is also provided with an air passage 57 which is a part of a return air passage for returning cool air from the refrigerator compartment 1 to the cooler compartment 91.
  • the air passage 57 is formed, for example, on the right side of the concave portion 81.
  • a slit-shaped opening 65 is formed at a position of the upper member 50 facing the air passage 57 so that the air passage 57 is not blocked by the upper member 50.
  • An opening is also formed at a position of the lower member 51 facing the air path 57 so that the air path 57 is not blocked by the lower member 51.
  • the damper device assembly ASSY64 whose lower part is housed in the concave portion 81 of the partition member 35 is covered with, for example, a resin cover 60 from above.
  • the cover 60 has an opening formed at an upper portion, and covers an outer peripheral edge of an upper surface portion of the heat insulating component 59 so as not to block the second air passage 55a and the air passage 56a of the heat insulating component 59 of the damper device unit ASSY64.
  • a second sealing material 63 is attached to the upper surface of the heat insulating component 59 in a range not covered by the cover 60.
  • An opening is formed in the second sealing material 63 at a position facing the second air passage 55a and the air passage 56a so as not to block the second air passage 55a and the air passage 56a of the heat insulating component 59.
  • ⁇ ⁇ Electrical components such as a drive unit 39 of the damper device 9 and a heater (not shown) are attached to the partition member 35. For this reason, on the rear left side of the partitioning part 35, a storage part 62 for storing the ends of the lead wires of these electrical components is provided.
  • the end connected to the connection unit 49 of the drive unit 39 is a first end 68 a
  • the first end 68 a is connected to the first end 68 a.
  • the other end is referred to as a second end 68b.
  • the second end 68 b of the lead wire 68 is housed in the housing 62.
  • the first end 68a of the lead wire 68 see also FIG.
  • the second end 68b of the lead wire 68 see also FIG. 15 described later.
  • FIG. 13 is a perspective view of the housing and the partition part of the refrigerator according to the embodiment of the present invention as viewed from the front right side, and is a view showing a state before the partition part is fixed to the housing.
  • FIG. 14 is a plan view of part A shown in FIG.
  • FIG. 15 is a perspective view of the vicinity of the storage portion of the partition component of the refrigerator according to the embodiment of the present invention, as viewed from the front right side, and is a diagram illustrating a state after the partition component is fixed to the housing.
  • the end of the lead wire connected to the electrical component attached to the partition component 35 is stored in the storage portion 62 of the partition component 35. 14 and 15, these lead wires stored in the storage portion 62 are shown as lead wires 66. That is, a part of the lead wire 66 is the lead wire 68 connected to the drive unit 39 of the damper device 9.
  • the end of the lead wire 68 on the side stored in the storage section 62 is the second end 68b.
  • the partition component 35 When attaching the partition component 35 to the housing 90, first, the partition component 35 is fixed to a predetermined position of the housing 90. The other end of the main body lead wire 61, one end of which is connected to the control board 16 or the like, is exposed in the inner box 52 of the housing 90 from a position near the storage portion 62 of the partition component 35. After fixing the partition part 35 at a predetermined position of the housing 90, the lead wire 66 stored in the storage part 62 of the partition part 35 and the main body lead wire 61 are connected using, for example, a connector.
  • the upper surface of the storage section 62 is closed by a lid 67 so as to be freely opened and closed. For this reason, when connecting the lead wire 66 and the main body lead wire 61, first, the lid 67 is opened, and the lead wire 66 is taken out from the storage portion 62. Then, the lead wire 66 and the main body lead wire 61 are connected using, for example, a connector. Thereafter, the lead wire 66 is stored in the storage section 62 again, and the lid 67 is closed.
  • the lid 67 is swingable around the front end portion as a fulcrum.
  • FIG. 16 is a vertical cross-sectional view of a part of the partition part and the damper device assembly ASSY of the refrigerator according to the present invention as viewed from the right side.
  • FIG. 17 is a perspective view of the damper device assembly ASSY of the refrigerator according to the embodiment of the present invention as viewed from the front left side.
  • FIG. 18 is a longitudinal sectional view of the vicinity of a second groove formed in a heat insulating part of the damper device part ASSY of the refrigerator according to the present invention.
  • the dashed line shown in FIG. 16 indicates the height of the dam 69.
  • a lead wire portion located in a concave portion in which the damper device is embedded in a plan view may be routed to a position lower than the dam.
  • the damper device is embedded in a partition component constituting the lower surface of the storage room where the set temperature is in the refrigeration temperature zone, when water spills in the storage room, the water does not freeze in the storage room. Water is easy to get over the dam.
  • a damper device in which a damper device is embedded in a partition part constituting a lower surface of a storage room in which a set temperature is in a refrigeration temperature zone, in a conventional refrigerator, water that has passed over a dam passes through a groove or the like that stores lead wires.
  • the baffle may adhere to the surface of the baffle on the side in contact with the peripheral edge of the air path, and the baffle may adhere to the peripheral edge of the air path in the damper device, and the baffle may malfunction.
  • the damper device 9 is embedded in the partition member 35 constituting the lower surface of the refrigerator compartment 1 where the set temperature is in the refrigerator temperature zone, the water spilled in the refrigerator compartment 1 is formed. Is easy to get over the dam 69.
  • refrigerator 100 the water that has passed over the dam 69 travels along the groove accommodating the lead wire 68 and contacts the rib 48 on the peripheral edge of the first air passage 47 in the baffle 45. Adherence can be suppressed more than before. Therefore, refrigerator 100 according to the present embodiment can suppress the malfunction of baffle 45 due to freezing as compared with the conventional case.
  • the connecting portion 49 of the driving unit 39 to which the first end 68 a of the lead wire 68 is connected is a dam 69 It is located at a higher position.
  • a portion of the lead wire 68 which is disposed in the heat insulating component 59 which is to be located in the concave portion 81 of the partition component 35 in plan view is a dam 69 It is located at a higher position.
  • the lead wire 68 when the lead wire 68 is viewed from the first end 68a connected to the connection portion 49 of the drive section 39 toward the second end 68b, the lead 68 is routed as follows. Have been.
  • the lead wire 68 first extends along the side surface of the drive section 39 from the connection section 49 to the upper surface of the drive section 39.
  • the lead wire 68 extends toward the first air passage 47 on the upper surface of the drive section 39.
  • the lead wires 68 arranged on the side surface and the upper surface of the drive section 39 are fixed with a tape 70 so as not to be separated.
  • the lead wire 68 routed to the end on the first air passage 47 side on the upper surface of the drive unit 39 of the damper device 9 is routed on the surface of the heat insulating component 59 combined with the upper portion of the damper device 9 as follows. You. First, the lead wire extends through the second air passage 55 a of the heat insulating component 59 to the upper surface of the heat insulating component 59.
  • the lead wire 68 arranged on the upper surface of the heat insulating component 59 extends from the second air passage 55a to the front end of the upper surface, and is arranged along the front end.
  • the lead wire 68 when the lead wire 68 is viewed from the first end 68a toward the second end 68b, the lead 68 arranged along the front end of the upper surface of the heat insulating component 59 is It extends toward the left end.
  • the left end portion of the heat insulating component 59 is an end portion on the storage unit 62 side when the heat insulating component 59 is fixed to the partition component 35 as the damper device unit ASSY64.
  • the lead wires 68 arranged on the upper surface of the heat insulating component 59 are fixed with a tape 70 so as not to be separated.
  • the heat insulating component 59 is provided with a groove in which the lead wire 68 is arranged so that the lead wire 68 can be easily routed on the surface of the heat insulating component 59.
  • the heat insulating component 59 includes a first groove 71, a second groove 72, and a third groove 73 as the grooves.
  • the first groove 71 is formed on the inner wall portion of the second air passage 55a in a vertical direction, for example, at a position that is a corner of the second air passage 55a in plan view.
  • the second groove 72 is formed on the upper surface of the heat insulating component 59.
  • the second groove 72 communicates with the first groove 71 and the front end of the upper surface of the heat insulating component 59.
  • the third groove 73 is formed along the front end at the front end of the upper surface of the heat insulating component 59.
  • the third groove 73 communicates with the second groove 72.
  • the third groove 73 is open upward and forward.
  • the lead wires 68 are arranged in the first groove 71, the second groove 72, and the third groove 73.
  • the space between the lead wire 68 and the inner wall surface of the groove is closed by the first sealant 74.
  • at least a part of the second groove 72 is closed by the first sealant 74 between the lead wire 68 and the inner wall surface of the groove.
  • the tape-shaped first sealing material 74 is wound around the lead wire 68, and the lead wire 68 around which the first sealing material 74 is wound is inserted into the second groove 72.
  • at least a part of the second groove 72 is closed by the first sealant 74 between the lead wire 68 and the inner wall surface of the groove.
  • the second sealing material 63 is attached to the upper surface of the heat insulating component 59.
  • the second sealing material 63 is provided so as to cover the first groove 71 and the second groove 72 from above.
  • a cover 60 made of resin is put on the damper device unit ASSY 64 from above, and the cover 60 is fixed to the upper member 50 of the partition member 35 with the screw 41, and the damper device unit ASSY64 is fixed. Thereafter, the second sealing material 63 is attached to the upper surface of the heat insulating component 59, and the lead wire 68 is securely fixed. Then, after the damper device section ASSY 64 is fixed to the partition part 35, the lead wire 68 is routed around the partition part 35, and the second end 68 b is stored in the storage part 62.
  • the lead wire connected to the drive unit is exposed from the bottom of the concave portion of the partition component that houses the lower portion of the damper device.
  • the length of the exposed part of the lead wire is such that the lead wire can be connected to the drive unit before the damper device is housed in the recess.
  • a lead wire may be interposed between the damper device and the recess, and the damper device may not be able to be installed at a proper position. Further, in the refrigerator described in Patent Literature 1, the damper device cannot be installed at a proper position, and a part to be mounted on an upper portion of the damper device may not be able to be installed at a proper position. As a result, there is a case where the cool air leaks from around the damper device. In addition, water may enter the damper device through a gap around the damper device and freeze, resulting in malfunction of the baffle. Further, when the lead wire is sandwiched between the damper device and the concave portion, the lead wire may be disconnected.
  • the lead wire 68 is routed as described above, the lead wire 68 is disposed at a position where the lead wire 68 is housed in the concave portion 81 of the partition part 35 in the damper device unit ASSY64. Not done. Therefore, when the lower part of the damper device part ASSY64 is stored in the concave part 81 of the partition member 35, the lead wire 68 does not get caught between the damper device part ASSY64 and the concave part 81.
  • the lead wire 68 is routed as described above, the lead wire is attached to the upper part of the damper device unit ASSY 64 when attaching the cover 60 and the second sealing material 63 and other components. It can be confirmed whether or not 68 is arranged at a regular position. For this reason, when the lead wire 68 is not arranged at a regular position, the arrangement of the lead wire 68 can be corrected in advance before a component is mounted on the upper part of the damper device assembly ASSY64. Therefore, in refrigerator 100 according to the present embodiment, components mounted on upper portion of damper device assembly ASSY64 can be mounted at regular positions.
  • the refrigerator 100 it is possible to suppress the leakage of cool air from around the damper device assembly ASSY64, the malfunction of the baffle 45 due to freezing, and the disconnection of the lead wire 68 as compared with the conventional case.
  • FIG. 19 is a perspective view of the air path components constituting the rear surface of the refrigerator compartment in the refrigerator according to the embodiment of the present invention, as viewed from the front right side.
  • FIG. 20 is a perspective view of the air path components constituting the rear surface of the refrigerator compartment in the refrigerator according to the embodiment of the present invention, as viewed from the rear right side.
  • FIG. 21 is an exploded perspective view of the air path components forming the rear surface of the refrigerator compartment in the refrigerator according to the embodiment of the present invention, as viewed from the front right side.
  • the air path component 21 is fixed to the housing 90 with screws and claws.
  • the air path component 21 includes a front side component 75, a first heat insulating component 76, and a second heat insulating component 77.
  • the front part 75 is a part that constitutes the front part of the air path part 21. That is, the front-side component 75 is a component that constitutes the back of the refrigerator compartment 1 and the back of the chilled compartment 17.
  • a temperature sensor 38 for detecting the temperature in the refrigerator compartment 1 is provided at a position on the front side component 75 that constitutes the rear surface of the refrigerator compartment 1.
  • a temperature sensor 78 for detecting the temperature inside the chilled chamber 17 is provided at a location on the front side component 75 that constitutes the back of the chilled chamber 17.
  • the first heat insulating component 76 is formed of a heat insulating material such as expanded styrene, for example, and is provided on the back of the front component 75.
  • the first heat insulating component 76 has two grooves extending vertically. These grooves are open on the lower surface and the back surface.
  • the second heat insulating component 77 is formed of, for example, a heat insulating material such as styrene foam, and is provided on the back surface of the first heat insulating component 76. Openings on the back side of the two grooves formed in the first heat insulating component 76 are closed by the second heat insulating component 77.
  • first heat insulating component 76 and the second heat insulating component 77 two air paths whose lower parts are open are formed.
  • One of these two air paths is an air path 24 that forms a part of an air path that supplies air from the cooler room 91 to the refrigerator compartment 1.
  • One of these two air paths is an air path 80 that forms a part of an air path that supplies air from the cooler chamber 91 to the chilled chamber 17.
  • a through hole is formed in the front side component 75 and the first heat insulating component 76 at a position on the rear side of the refrigerator compartment 1 to communicate the front of the front side component 75 with the air passage 24.
  • the through-hole serves as an outlet 22 for blowing cool air into the refrigerator compartment 1.
  • a through hole is formed at a position on the back side of the chilled chamber 17 to communicate the front of the front side component 75 with the air passage 80.
  • the through hole serves as an outlet 23 for blowing cool air into the chilled chamber 17.
  • a cover portion 79 extending in the left-right direction and protruding forward is provided.
  • the lower surface of the cover 79 has a shape that descends forward. Then, as shown in FIG. 12, when the air path component 21 is attached to the upper part of the damper device unit ASSY 64, the cover 79 covers the dam 69 of the partition component 35 from above. If the humid air flows into the refrigerator compartment 1 when the left door 6 and the right door 7 of the refrigerator compartment 1 are opened, dew may be generated on the front surface of the front side component 75.
  • the refrigerator 100 has the refrigerator compartment 1, the partitioning part 35 of which a part of the upper surface constitutes the lower surface of the refrigerator compartment 1, and the damper device that opens and closes the air passage for supplying air to the refrigerator compartment 1. 9 is provided.
  • the partitioning part 35 has a concave part 81 which is open at the upper part and accommodates the lower part of the damper device 9 behind a part constituting the lower surface of the refrigerator compartment 1.
  • the partition member 35 includes a dam 69 that projects upward in front of the concave portion 81.
  • a first air passage 47 that is a part of an air passage that supplies air to the refrigerator 100 is formed.
  • the damper device 9 includes a baffle 45 that opens and closes the first air passage 47. Further, the damper device 9 has a motor 42 and a driving unit 39 that operates the baffle 45 by the driving force of the motor 42. Further, the damper device 9 includes a lead wire 68 connected to the drive unit 39.
  • the baffle 45 comes into contact with the rib 48 which is a peripheral portion of the first air passage 47 from above, and closes the first air passage 47. When the baffle 45 closes the first air passage 47, the contact portion between the baffle 45 and the rib 48 is disposed below the dam 69.
  • the portion of the lead wire 68 located in the recess 81 in plan view is disposed above the dam 69.
  • refrigerator 100 the water that has passed over the dam 69 travels along the groove accommodating the lead wire 68 and contacts the rib 48 on the peripheral edge of the first air passage 47 in the baffle 45. Adherence can be suppressed more than before. Therefore, refrigerator 100 according to the present embodiment can suppress the malfunction of baffle 45 due to freezing as compared with the conventional case.
  • the damper device 9 that opens and closes the air path that supplies cool air to the refrigerator compartment 1 has been described.
  • a storage room in which the set temperature is in the refrigeration temperature zone other than the refrigeration room 1, and a damper device that opens and closes an air path for supplying cool air to the storage room is also embedded in the partition wall that forms the lower surface of the storage room. May be installed.
  • the above-described effects can also be obtained by laying out the lead wires connected to the drive section of the damper device as described above.

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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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un réfrigérateur comprenant : un composant cloison dont une partie de la surface supérieure constitue la surface inférieure d'un compartiment de rangement dans une zone de température de réfrigération ; et un dispositif amortisseur destiné à ouvrir/fermer un trajet d'écoulement d'air pour acheminer de l'air jusqu'au compartiment de rangement. Dans le composant cloison, un renfoncement accueillant la partie inférieure du dispositif amortisseur est formé à l'arrière de l'emplacement constituant la surface inférieure du compartiment de rangement, et le composant cloison est pourvu d'une digue à l'avant du renfoncement. Le dispositif amortisseur comprend un premier trajet d'écoulement d'air, qui fait partie du trajet d'écoulement d'air. Le dispositif amortisseur est pourvu d'une chicane destinée à ouvrir/fermer le premier trajet d'écoulement d'air, d'une unité d'entraînement destinée à actionner la chicane, et d'un fil conducteur raccordé à l'unité d'entraînement. La chicane est conçue pour venir en contact avec la partie bord périphérique du premier trajet d'écoulement d'air provenant du dessus et fermer ledit premier trajet. Lorsque le premier trajet d'écoulement d'air est fermé par la chicane, la première surface côté trajet d'écoulement d'air de la chicane est située en dessous de la digue, et la partie du fil conducteur disposée dans le renfoncement dans une vue en plan est située au-dessus de la digue.
PCT/JP2018/032742 2018-09-04 2018-09-04 Réfrigérateur WO2020049630A1 (fr)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN114222614A (zh) * 2020-07-03 2022-03-22 日立环球生活方案株式会社 冰箱
CN114659319A (zh) * 2020-12-22 2022-06-24 Aqua株式会社 冰箱

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Publication number Priority date Publication date Assignee Title
JPH10205957A (ja) * 1997-01-23 1998-08-04 Toshiba Corp 冷蔵庫
KR20040078962A (ko) * 2003-03-05 2004-09-14 엘지전자 주식회사 냉장고용 스텝핑모터의 리드와이어 고정구조
WO2012008092A1 (fr) * 2010-07-12 2012-01-19 パナソニック株式会社 Réfrigérateur
JP2013087965A (ja) * 2011-10-13 2013-05-13 Panasonic Corp 冷蔵庫用ダンパー装置ケーブルの余長線収納方法およびその収納方法を用いた冷蔵庫

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Publication number Priority date Publication date Assignee Title
JP2014047958A (ja) * 2012-08-30 2014-03-17 Toshiba Corp 冷蔵庫

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10205957A (ja) * 1997-01-23 1998-08-04 Toshiba Corp 冷蔵庫
KR20040078962A (ko) * 2003-03-05 2004-09-14 엘지전자 주식회사 냉장고용 스텝핑모터의 리드와이어 고정구조
WO2012008092A1 (fr) * 2010-07-12 2012-01-19 パナソニック株式会社 Réfrigérateur
JP2013087965A (ja) * 2011-10-13 2013-05-13 Panasonic Corp 冷蔵庫用ダンパー装置ケーブルの余長線収納方法およびその収納方法を用いた冷蔵庫

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114222614A (zh) * 2020-07-03 2022-03-22 日立环球生活方案株式会社 冰箱
CN114659319A (zh) * 2020-12-22 2022-06-24 Aqua株式会社 冰箱
CN114659319B (zh) * 2020-12-22 2024-01-30 Aqua株式会社 冰箱

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