TW201825844A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
TW201825844A
TW201825844A TW106130781A TW106130781A TW201825844A TW 201825844 A TW201825844 A TW 201825844A TW 106130781 A TW106130781 A TW 106130781A TW 106130781 A TW106130781 A TW 106130781A TW 201825844 A TW201825844 A TW 201825844A
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TW
Taiwan
Prior art keywords
cooler
refrigerator
room
path
heat
Prior art date
Application number
TW106130781A
Other languages
Chinese (zh)
Other versions
TWI716636B (en
Inventor
中津哲史
Original Assignee
日商三菱電機股份有限公司
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Publication of TW201825844A publication Critical patent/TW201825844A/en
Application granted granted Critical
Publication of TWI716636B publication Critical patent/TWI716636B/en

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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
    • F25CPRODUCING, WORKING OR HANDLING ICE
    • F25C1/00Producing ice
    • F25C1/22Construction of moulds; Filling devices for moulds
    • F25C1/24Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • 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
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F25D19/00Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • F25D19/003Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
    • 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
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04Preventing the formation of frost or condensate
    • 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
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14Collecting or removing condensed and defrost water; Drip trays
    • 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
    • F25D29/00Arrangement or mounting of control or safety devices
    • 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
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/003Arrangement or mounting of control or safety devices for movable devices
    • 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
    • F25D29/00Arrangement or mounting of control or safety devices
    • F25D29/005Mounting of control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Removal Of Water From Condensation And Defrosting (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

A refrigerator is provided with: a thermal insulation casing; a machine room which is formed by causing a lower back surface portion of the thermal insulation casing to be depressed inwards and in which a compressor is disposed; a cooler room which is formed above the machine room and in the thermal insulation casing and in which a cooler for generating cold air is disposed; a water receiving unit which is provided below the cooler in the cooler room and which receives water from the cooler; and a discharge channel having an inlet provided to the water receiving unit and an outlet protruded to the machine room, the discharge channel penetrating a thermal insulation wall intervened between the cooler room and the machine room so as to cause the cooler room and the machine room to communicate. On the inlet side, a cross-sectional area of the discharge channel is gradually reduced toward a downstream side, and a center position of the cross section approaches a back surface side. The discharge channel is configured integrally from the inlet to the outlet.

Description

冰箱    Refrigerator   

本發明係關於具備排水路徑的冰箱。 The present invention relates to a refrigerator having a drainage path.

過去的冰箱中,有產品是在冷卻器的下方設置接水部(接水盤),在接水盤之下設置貫穿隔熱壁的排水路徑(例如參照專利文獻1及專利文獻2)。在專利文獻1中揭露的排水路徑係設置為相對於冷卻器,在鉛直線上的下方,而在專利文獻2中揭露之構成為,排水路徑出口從設置在冷卻器室下方的機械室的頂面突出。在想要確保排水路徑是最短距離的情況下,適用上述專利文獻的各種構成。 In conventional refrigerators, there are products in which a water receiving portion (a water receiving pan) is provided below a cooler, and a drainage path passing through a heat insulation wall is provided below the water receiving pan (for example, refer to Patent Documents 1 and 2). The drainage path disclosed in Patent Document 1 is provided below the plumb line with respect to the cooler, while the configuration disclosed in Patent Document 2 is such that the drainage path exits from the top surface of the machine room provided below the cooler chamber. protruding. When it is desired to ensure that the drainage path is the shortest distance, various configurations of the aforementioned patent documents are applied.

但是,冰箱要省空間且大容量,而且還要有節能性。因此,也有例如在隔熱壁的一部分使用具有優良隔熱性的真空隔熱材的冰箱。 However, refrigerators need to be space-saving and large-capacity, as well as energy-saving. Therefore, there is also a refrigerator using, for example, a vacuum insulation material having excellent heat insulation properties in a part of a heat insulation wall.

先行技術文獻     Advance technical literature     專利文獻:     Patent Literature:    

專利文獻1:日本特開2003-56972號公報 Patent Document 1: Japanese Patent Application Laid-Open No. 2003-56972

專利文獻2:日本特開2003-83668號公報 Patent Document 2: Japanese Patent Application Laid-Open No. 2003-83668

尤其,專利文獻2的冰箱,在背面下部設有機械室,在機械室的正上方配置冷卻器室,因此,在分隔溫度差最大的空間的隔熱壁中,會因為排水路徑而使得隔熱性能顯著劣化,並降低冷卻能力。相對於此,雖然考慮到在隔熱材的一部分使用上述真空隔熱材以確保隔熱性能,但在此情況下,始自接水盤的排水路徑為了要避開真空隔熱材而大幅彎曲。因此,排水路徑必須要在填充於真空隔熱材的周圍的發泡隔熱材的內部設置連接部。另外,例如專利文獻1那樣,在確保排水路徑為最短距離的構成中,基於成型容易性等的理由,排水路徑有時會構成為連接複數零件。像這樣,在排水路徑途中設置連接部的構成中,在長期使用時,附著在排水路徑內部的連接部的融解水,藉由毛細管現象而漸漸滲透到發泡隔熱材內。然後,隨著時間,發泡隔熱材會變成內部保持了水分的膨潤狀態。隔熱材內部的水分不會自己蒸發,結果會因為水分而使已膨潤的發泡隔熱材的熱容量變大。因此,已膨潤的發泡隔熱材,變成和冷凍溫度同等的溫度,使得附著在排水路徑的連接部的水分結冰,已結冰的冰塊變成核而漸漸成長,而使得排水路徑閉塞。其結果為,因為除霜動作而產生的融解水不會排出到機械室,而會排出到冰箱內而發生庫內漏水。 In particular, the refrigerator of Patent Document 2 has a machine room at the lower part of the back and a cooler room directly above the machine room. Therefore, the heat insulation wall that separates the space with the largest temperature difference is insulated by the drainage path. Significant performance degradation and reduced cooling capacity. On the other hand, although it is considered that the vacuum heat insulating material is used in a part of the heat insulating material to ensure heat insulation performance, in this case, the drainage path from the water receiving tray is largely bent in order to avoid the vacuum heat insulating material. Therefore, the drainage path must be provided with a connection portion inside the foamed heat insulation material filled around the vacuum heat insulation material. In addition, for example, in Patent Document 1, in a configuration in which the drain path is ensured to have the shortest distance, the drain path may be configured to connect a plurality of parts for reasons such as ease of molding. As described above, in the configuration in which the connection portion is provided in the middle of the drainage path, the melted water adhering to the connection portion inside the drainage path during long-term use gradually penetrates into the foamed heat insulation material due to the capillary phenomenon. Then, over time, the foamed heat-insulating material becomes a swelled state in which moisture is kept inside. The moisture inside the heat-insulating material does not evaporate by itself, and as a result, the heat capacity of the swollen foamed heat-insulating material increases due to the moisture. Therefore, the swelled foamed heat-insulating material becomes the same temperature as the freezing temperature, so that the moisture attached to the connection portion of the drainage path freezes, and the frozen ice cubes become cores and gradually grow, thereby blocking the drainage path. As a result, the melting water generated by the defrosting operation is not discharged into the machine room, but is discharged into the refrigerator to cause water leakage in the refrigerator.

像這樣,在隔熱材內設置連接部的排水路徑中,除霜時發生的融解水從連接部滲透到隔熱材內,在排水路徑內發生結冰。另外,在冷卻器下部的接水盤和冰箱背面下部的機械室之間有排水路徑的情況下,無法在隔熱材內部設置真空隔熱材,使得最需要隔熱的冷卻器室和機械室間的邊界處的隔熱 性能降低。其結果為造成,冰箱的節能性惡化,或者機械室頂面的結露等。 In this way, in the drainage path in which the connection portion is provided in the heat insulation material, the melted water generated during the defrosting penetrates from the connection portion into the heat insulation material, and icing occurs in the drainage path. In addition, when there is a drainage path between the water receiving tray at the lower part of the cooler and the machine room at the lower part of the back of the refrigerator, a vacuum heat insulation material cannot be provided inside the heat insulation material, so that the heat insulation room between the cooler room and the machine room is most needed. The insulation performance at the boundary of the electrode is reduced. As a result, the energy saving performance of the refrigerator is deteriorated, and condensation on the top surface of the machine room is caused.

本發明係為了解決如上述的課題,其目的在於提供兼顧性能和品質的冰箱。 The present invention is to solve the problems as described above, and an object thereof is to provide a refrigerator having both performance and quality.

本發明的冰箱,其包括:隔熱箱體,具有內箱及外箱,還有設置於上述內箱和上述外箱之間的空間之隔熱材;機械室,形成為上述隔熱箱體的背面下部向內側凹陷,配置壓縮機;冷卻器室,在上述機械室的上方形成於上述隔熱箱體內,配置產生冷氣的冷卻器;接水部,設置在上述冷卻器室中的上述冷卻器之下方,承接來自上述冷卻器的水;排水路徑,在上述接水部設置入口,貫穿介於上述冷卻器室和上述機械室之間的隔熱壁,以將上述冷卻器室和上述機械室連通,出口突出於上述機械室;路徑加熱器,設置於上述排水路徑的上述入口側; 上述排水路徑的上述入口的剖面形狀為橢圓形狀或長圓形狀;上述排水路徑的上述入口側的形狀為,越往下游側其剖面積越小,且,剖面的中心位置靠近背面側;上述排水路徑,從上述入口到上述出口係為一體構成。 The refrigerator of the present invention includes a heat-insulating box having an inner box and an outer box, and a heat-insulating material disposed in a space between the inner box and the outer box; and a machine room formed as the heat-insulating box. The lower part of the rear side is recessed inward to arrange a compressor; a cooler chamber is formed in the heat insulation box above the machinery chamber to arrange a cooler that generates cold air; and a water receiving part is provided for the cooling in the cooler chamber. Beneath the cooler, it receives water from the cooler; a drainage path, an inlet is provided in the water receiving part, and a heat insulation wall interposed between the cooler room and the machinery room is passed to connect the cooler room and the machinery The chamber communicates with the outlet protruding from the machine room; the path heater is provided on the inlet side of the drainage path; the cross-sectional shape of the inlet of the drainage path is oval or oval; , The cross-sectional area becomes smaller toward the downstream side, and the center position of the cross section is closer to the back side; the drainage path is integrally formed from the inlet to the outlet .

依據本發明的冰箱,排水路徑,從入口越向出口,內徑一邊縮小的同時中心位置越靠近冰箱的背面側,因此,在冷卻器室和機械室之間的隔熱壁中,確保較排水路徑前方的區域廣闊,而能夠在已確保地區域中設置真空隔熱材。因此,能夠使得冰箱的真空隔熱材的設置面積變大,並提高其隔熱性 能。另外,排水路徑從入口到出口係為一體構成,所以能夠抑制水分從排水路徑向隔熱材滲透,並能夠降低發生排出路徑閉塞的確立。像這樣,冰箱能夠維持隔熱性,並能具有良好排水性。 According to the refrigerator of the present invention, the drainage path goes from the entrance to the exit, and the inner diameter is reduced while the center position is closer to the rear side of the refrigerator. Therefore, the heat insulation wall between the cooler room and the machine room ensures a relatively drainage. The area in front of the path is wide, and a vacuum insulation material can be installed in the secured area. Therefore, the installation area of the vacuum heat insulating material of the refrigerator can be increased, and the heat insulating performance can be improved. In addition, since the drainage path is integrally formed from the inlet to the outlet, it is possible to suppress the penetration of moisture from the drainage path to the heat insulating material, and to reduce the establishment of the blocking of the drainage path. In this way, the refrigerator can maintain heat insulation properties and have good drainage properties.

1‧‧‧冰箱 1‧‧‧ refrigerator

2‧‧‧冷藏室 2‧‧‧ freezer

3‧‧‧製冰室 3‧‧‧ ice making room

4‧‧‧溫度切換室 4‧‧‧Temperature Switching Room

5‧‧‧蔬菜室 5‧‧‧ Vegetable Room

6‧‧‧冷凍室 6‧‧‧ freezer

7‧‧‧冷媒回路 7‧‧‧Refrigerant circuit

8‧‧‧壓縮機 8‧‧‧compressor

9‧‧‧空冷凝縮器 9‧‧‧ air condenser

10‧‧‧放熱管 10‧‧‧ Exothermic tube

11‧‧‧結露防止管 11‧‧‧ Condensation prevention tube

12‧‧‧乾燥器 12‧‧‧ dryer

13‧‧‧減壓裝置 13‧‧‧ Decompression device

14‧‧‧冷卻器 14‧‧‧ cooler

14a‧‧‧下端 14a‧‧‧bottom

15‧‧‧送風機 15‧‧‧ blower

16(16a,16b,16c,16d)‧‧‧溫度感測器 16 (16a, 16b, 16c, 16d) ‧‧‧Temperature sensor

17‧‧‧控制基板 17‧‧‧Control Board

18(18a,18b,18c)‧‧‧風量調整裝置 18 (18a, 18b, 18c) ‧‧‧Air volume adjustment device

19‧‧‧隔熱箱體 19‧‧‧ Insulated Box

19a‧‧‧壁部 19a‧‧‧Wall

21‧‧‧外箱 21‧‧‧ Outer Box

22‧‧‧內箱 22‧‧‧Inner Box

23‧‧‧隔熱材 23‧‧‧Insulation

23a‧‧‧聚氨基甲酸酯發泡材 23a‧‧‧Polyurethane Foam

23b‧‧‧真空隔熱材 23b‧‧‧Vacuum insulation material

25a‧‧‧框構造 25a‧‧‧frame structure

25b‧‧‧軌道構造 25b‧‧‧orbital structure

25c‧‧‧支撐物 25c‧‧‧Support

26‧‧‧墊片 26‧‧‧ Gasket

27‧‧‧冷卻器室 27‧‧‧Cooler Room

28‧‧‧風路 28‧‧‧Wind Road

29a,29b,29c,29d,29e‧‧‧吹出風路 29a, 29b, 29c, 29d, 29e‧‧‧

30a,30b,30c,30e‧‧‧返回風路 30a, 30b, 30c, 30e

31‧‧‧背面壁 31‧‧‧back wall

32‧‧‧頂面壁 32‧‧‧top wall

33a,33b‧‧‧風路加熱器 33a, 33b‧‧‧Air heater

34‧‧‧壁部 34‧‧‧Wall

34a‧‧‧上面 34a‧‧‧above

34b‧‧‧下面 34b‧‧‧below

34c‧‧‧隔熱材 34c‧‧‧Insulation

35‧‧‧底壁 35‧‧‧ bottom wall

35a‧‧‧聚氨基甲酸酯發泡材 35a‧‧‧Polyurethane foam

35b‧‧‧真空隔熱材 35b‧‧‧Vacuum insulation material

36‧‧‧空氣循環路徑 36‧‧‧Air circulation path

38‧‧‧隔熱壁外廓 38‧‧‧ Outer insulation profile

39‧‧‧真空隔熱材 39‧‧‧Vacuum insulation material

40‧‧‧發泡隔熱材 40‧‧‧foam insulation

42‧‧‧隔熱壁外廓 42‧‧‧Outer insulation profile

44‧‧‧吹出口 44‧‧‧ Blow Out

45‧‧‧返回口 45‧‧‧ Return

46‧‧‧保溫加熱器 46‧‧‧Insulation heater

47‧‧‧放熱管 47‧‧‧ Exothermic tube

48‧‧‧流路切換三向閥 48‧‧‧flow path switching three-way valve

49,50‧‧‧出口管 49,50‧‧‧Export tube

51a,51b‧‧‧毛細管 51a, 51b‧‧‧Capillary

53‧‧‧閥本體 53‧‧‧Valve body

54‧‧‧磁轉子 54‧‧‧ magnetic rotor

55‧‧‧中心齒輪 55‧‧‧ sun gear

56‧‧‧回轉齒輪 56‧‧‧Slewing gear

57‧‧‧回轉墊 57‧‧‧turning pad

58‧‧‧閥座 58‧‧‧Valve seat

59‧‧‧外廓殼體 59‧‧‧Outer shell

60‧‧‧床 60‧‧‧ beds

61‧‧‧小孔 61‧‧‧small hole

62‧‧‧小孔 62‧‧‧Eyelet

63‧‧‧小孔 63‧‧‧small hole

64‧‧‧出口小孔 64‧‧‧ exit hole

67‧‧‧除霜裝置 67‧‧‧ Defrosting device

70‧‧‧吹出口 70‧‧‧ blowing outlet

71‧‧‧製冰機構 71‧‧‧Ice-making mechanism

72‧‧‧返回口 72‧‧‧ Return

74‧‧‧冷氣返回口 74‧‧‧ air-conditioning return port

75‧‧‧冷藏返回口 75‧‧‧ Refrigerated return

76‧‧‧返回風路 76‧‧‧ return to the wind

77‧‧‧孔 77‧‧‧hole

78‧‧‧滑塊 78‧‧‧ slider

80‧‧‧接水盤 80‧‧‧ water tray

81‧‧‧接水部 81‧‧‧ Water Department

82,182‧‧‧排水路徑 82,182‧‧‧Drainage path

82a,182a‧‧‧上流部 82a, 182a‧‧‧Upstream

82b,182b‧‧‧下游部 82b, 182b ‧‧‧ downstream

83,183‧‧‧入口 83,183‧‧‧ Entrance

84,184‧‧‧出口 84,184‧‧‧Export

85‧‧‧路徑加熱器 85‧‧‧path heater

89‧‧‧金屬盤 89‧‧‧ metal plate

90‧‧‧機械室 90‧‧‧machine room

91‧‧‧排水盤 91‧‧‧ Drain pan

92‧‧‧加熱用配管 92‧‧‧Pipe for heating

95‧‧‧機械室風扇 95‧‧‧machine room fan

99‧‧‧隔熱壁 99‧‧‧ thermal insulation wall

Oa,Ob‧‧‧剖面中心 Oa, Ob‧‧‧section center

θ‧‧‧角度 θ‧‧‧ angle

【圖1】顯示本發明的實施形態1的冰箱的外觀立體圖。 Fig. 1 is a perspective view showing the appearance of a refrigerator according to a first embodiment of the present invention.

【圖2】顯示本發明的實施形態1的冰箱的冷媒回路和空氣循環路徑的模式圖。 Fig. 2 is a schematic diagram showing a refrigerant circuit and an air circulation path of the refrigerator according to the first embodiment of the present invention.

【圖3】顯示本發明的實施形態1的冰箱的側面剖面圖。 Fig. 3 is a side sectional view showing a refrigerator according to a first embodiment of the present invention.

【圖4】本發明的實施形態1的冰箱之背面的機械室的概略構成圖。 Fig. 4 is a schematic configuration diagram of a machine room on the back of the refrigerator according to the first embodiment of the present invention.

【圖5】顯示本發明的實施形態1的隔熱箱體的構成之部分剖面圖。 Fig. 5 is a partial cross-sectional view showing the structure of a heat-insulating box according to a first embodiment of the present invention.

【圖6】顯示本發明的實施形態1的隔熱箱體的構件被固定之狀態的部分剖面圖。 Fig. 6 is a partial cross-sectional view showing a state where the members of the heat insulation box according to the first embodiment of the present invention are fixed.

【圖7】顯示本發明的實施形態1的隔熱箱體的構成之第1例的部分剖面圖。 Fig. 7 is a partial cross-sectional view showing a first example of the configuration of a heat-insulating box according to the first embodiment of the present invention.

【圖8】顯示本發明的實施形態1的隔熱箱體的構成之第2例的部分剖面圖。 [Fig. 8] Fig. 8 is a partial cross-sectional view showing a second example of the structure of the heat-insulating box according to the first embodiment of the present invention.

【圖9】顯示本發明的實施形態1的隔熱箱體的構成之第3例的部分剖面圖。 [Fig. 9] Fig. 9 is a partial cross-sectional view showing a third example of the structure of the heat-insulating box according to the first embodiment of the present invention.

【圖10】顯示本發明的實施形態1的冰箱的下部周邊之說明圖。 FIG. 10 is an explanatory view showing a lower periphery of a refrigerator according to the first embodiment of the present invention.

【圖11】顯示本發明的實施形態1的蔬菜室周邊的構成之側面剖面圖。 [FIG. 11] A side cross-sectional view showing the configuration of the periphery of a vegetable room according to Embodiment 1 of the present invention.

【圖12】顯示從本發明的實施形態1的蔬菜室內觀看之背面壁的正面剖面圖。 [Fig. 12] A front cross-sectional view showing a rear wall viewed from a vegetable room according to Embodiment 1 of the present invention.

【圖13】顯示本發明的實施形態1的冰箱的冷藏室吹出風路和冷藏室2的返回風路的說明圖。 FIG. 13 is an explanatory view showing a refrigerating chamber blowing-out air path and a returning air path of the refrigerating chamber 2 in the refrigerator according to the first embodiment of the present invention.

【圖14A】顯示本發明的實施形態1的冰箱的風路加熱器的設置例之正面圖。 [FIG. 14A] A front view showing an example of installation of the air-path heater of the refrigerator according to the first embodiment of the present invention.

【圖14B】顯示本發明的實施形態1的冰箱的風路加熱器另一設置例的正面圖。 [FIG. 14B] A front view showing another installation example of the air path heater of the refrigerator according to Embodiment 1 of the present invention.

【圖15】顯示本發明的實施形態1的冰箱的製冰室吹出風路及製冰室返回風路的說明圖。 FIG. 15 is an explanatory diagram showing an air blowing path and a return air path of the ice-making chamber of the refrigerator according to the first embodiment of the present invention. FIG.

【圖16】顯示本發明的實施形態1的冰箱的切換室吹出風路及切換室返回風路的說明圖。 FIG. 16 is an explanatory view showing a switching-chamber blowing air path and a switching-chamber return air path of the refrigerator according to the first embodiment of the present invention.

【圖17】顯示本發明的實施形態1的冰箱的冷凍室吹出風路及冷凍室6的返回風路的說明圖。 FIG. 17 is an explanatory diagram showing a freezer blowing air path and a returning air path of the freezer 6 in the refrigerator according to the first embodiment of the present invention.

【圖18】顯示本發明的實施形態1的貯藏室分隔構成的第1例之概略剖面圖。 18 is a schematic cross-sectional view showing a first example of a storage compartment partition structure according to Embodiment 1 of the present invention.

【圖19】顯示本發明的實施形態1的貯藏室分隔構成的第2例之概略剖面圖。 [FIG. 19] A schematic cross-sectional view showing a second example of a storage compartment partition structure according to Embodiment 1 of the present invention.

【圖20】顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第1例的側面剖面圖。 20 is a side cross-sectional view showing a first example of a wall surface configuration around a vegetable room according to Embodiment 1 of the present invention.

【圖21】顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第2例的側面剖面圖。 [FIG. 21] A side sectional view showing a second example of the wall surface configuration around the vegetable room according to Embodiment 1 of the present invention.

【圖22】顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第3例的側面剖面圖。 Fig. 22 is a side sectional view showing a third example of the wall surface configuration around the vegetable room in the first embodiment of the present invention.

【圖23A】顯示從本發明的實施形態1的蔬菜室內觀看之背面壁的第1例的正面剖面圖。 [FIG. 23A] A front cross-sectional view showing a first example of a back wall viewed from a vegetable room according to Embodiment 1 of the present invention.

【圖23B】顯示從本發明的實施形態1的蔬菜室內觀看之背面壁的第2例的正面剖面圖。 [FIG. 23B] A front sectional view showing a second example of the back wall viewed from the vegetable room according to Embodiment 1 of the present invention.

【圖24】顯示本發明的實施形態1的蔬菜室之保溫加熱器的配置的模式圖。 [Fig. 24] A schematic diagram showing the arrangement of a heat preservation heater in a vegetable room according to Embodiment 1 of the present invention.

【圖25】顯示本發明的實施形態1的蔬菜室之放熱管的配置的模式圖。 25 is a schematic diagram showing an arrangement of heat radiation pipes in a vegetable room according to Embodiment 1 of the present invention.

【圖26】顯示本發明的實施形態1的蔬菜室之放熱管和冷媒回路的連接關係的模式圖。 [Fig. 26] A schematic diagram showing a connection relationship between a heat radiation pipe and a refrigerant circuit in a vegetable room according to Embodiment 1 of the present invention.

【圖27】顯示本發明的實施形態1的流路切換三向閥中,未與朝向蔬菜室的放熱管連接的出口管側的流量特性之圖。 [FIG. 27] A diagram showing a flow rate characteristic on the outlet pipe side of the flow path switching three-way valve according to the first embodiment of the present invention, which is not connected to the heat pipe facing the vegetable compartment.

【圖28】本發明的實施形態1的流路切換三向閥的概略構成圖。 [FIG. 28] A schematic configuration diagram of a flow path switching three-way valve according to Embodiment 1 of the present invention.

【圖29】顯示本發明的實施形態1的流路切換三向閥中,對於回轉齒輪的STEP的流路形成狀態之說明圖。 [FIG. 29] An explanatory diagram showing a flow path formation state of a stepped gear in a flow path switching three-way valve according to Embodiment 1 of the present invention.

【圖30】顯示本發明的實施形態1的冷卻器室之一部分和機械室的構成的部分側面剖面圖。 30 is a partial side cross-sectional view showing a configuration of a part of a cooler room and a machine room according to Embodiment 1 of the present invention.

【圖31A】顯示本發明的實施形態1的接水盤之構成的第1例的概略平面圖。 [FIG. 31A] A schematic plan view showing a first example of the structure of a water receiving pan according to Embodiment 1 of the present invention.

【圖31B】顯示本發明的實施形態1的接水盤之構成的第2例的概略平面圖。 [Fig. 31B] A schematic plan view showing a second example of the structure of the water drain pan according to the first embodiment of the present invention.

【圖32】顯示本發明的實施形態1的機械室之內部構成的背面圖。 [Fig. 32] A back view showing the internal structure of a machine room according to Embodiment 1 of the present invention.

【圖33】顯示從本發明的實施形態1的冰箱的蔬菜室內觀看之背面壁的另一構成例的正面圖。 [FIG. 33] A front view showing another configuration example of the rear wall viewed from the vegetable room of the refrigerator according to Embodiment 1 of the present invention.

【圖34】顯示本發明的實施形態2的冷卻器室之一部分和機械室的構成的部分側面剖面圖。 [FIG. 34] A partial side cross-sectional view showing a configuration of a part of a cooler room and a machine room according to Embodiment 2 of the present invention.

實施形態1 Embodiment 1

基於圖1~圖4,說明冰箱1的構成。圖1為顯示本發明的實施形態1的冰箱的外觀立體圖。圖2為顯示本發明的實施形態1的冰箱的冷媒回路和空氣循環路徑的模式圖。圖3為顯示本發明的實施形態1的冰箱的側面剖面圖。圖4為本發明的實施形態1的冰箱之背面的機械室的概略構成圖。 The configuration of the refrigerator 1 will be described based on FIGS. 1 to 4. FIG. 1 is an external perspective view showing a refrigerator according to a first embodiment of the present invention. FIG. 2 is a schematic diagram showing a refrigerant circuit and an air circulation path of the refrigerator according to the first embodiment of the present invention. Fig. 3 is a side sectional view showing a refrigerator according to the first embodiment of the present invention. FIG. 4 is a schematic configuration diagram of a machine room on the back of the refrigerator according to the first embodiment of the present invention.

如圖1及圖3所示,冰箱1具有構成為縱長的直方體形狀的隔熱箱體19,在隔熱箱體19內形成複數貯藏室。冰箱1,由上而下按照冷藏室2、左側的製冰室3及製冰室3的右側溫度切換室4、蔬菜室5、冷凍室6的順序配置貯藏室,在各貯藏室之間分別設有分隔。 As shown in FIGS. 1 and 3, the refrigerator 1 includes a heat-insulating box 19 configured as a vertically long rectangular parallelepiped, and a plurality of storage rooms are formed in the heat-insulating box 19. In the refrigerator 1, storage rooms are arranged from top to bottom in the order of the refrigerating compartment 2, the ice making compartment 3 on the left, and the right temperature switching compartment 4, the vegetable compartment 5, and the freezing compartment 6 of the ice making compartment 3. Divided.

隔熱箱體19由下列構成:上面部、底面部、右側面部、左側面部、背面部、還有分別設置在各貯藏室的正面側的門片。另外,如圖3所示,在隔熱箱體19內形成冷卻器室27,冷卻器室27位於製冰室3、溫度切換室4、及蔬菜室5的背面。另外,冰箱1具備機械室90,其係在背面下部,隔熱箱體19的一部分的壁部19a向內部凹陷而形成於隔熱箱體19外側。機械 室90位於冷凍室6的背面,在機械室90的背面側設有未圖示的機械室外蓋。 The heat-insulating box 19 is composed of an upper surface portion, a bottom surface portion, a right surface portion, a left surface portion, a rear surface portion, and door panels provided on the front side of each storage room, respectively. As shown in FIG. 3, a cooler chamber 27 is formed in the heat-insulating box 19, and the cooler chamber 27 is located on the back of the ice-making chamber 3, the temperature switching chamber 4, and the vegetable chamber 5. Moreover, the refrigerator 1 is provided with the machine room 90 which is a lower part of a back surface, and a part of wall part 19a of the heat insulation box 19 is recessed inward, and is formed in the outer side of the heat insulation box 19. The machine room 90 is located on the back of the freezer compartment 6, and a machine outdoor cover (not shown) is provided on the back side of the machine room 90.

如圖2所示,冰箱1具有:冷媒循環的冷媒回路7、以及空氣循環的空氣循環路徑36,使冷媒和空氣進行熱交換,藉此使冰箱1內冷卻。在圖2中,實線的箭頭表示流經冷媒回路7的冷媒的流動方向,虛線的箭頭表示流經空氣循環路徑的冷氣的流動方向。 As shown in FIG. 2, the refrigerator 1 includes a refrigerant circuit 7 that circulates a refrigerant, and an air circulation path 36 that circulates air to exchange heat between the refrigerant and the air, thereby cooling the inside of the refrigerator 1. In FIG. 2, solid arrows indicate the flow direction of the refrigerant flowing through the refrigerant circuit 7, and dotted arrows indicate the flow direction of the cold air flowing through the air circulation path.

圖4中,顯示將機械室外蓋取下,從後方觀看時的機械室90的內部。如圖2及圖4所示,冷媒回路7係藉由配管連接下列裝置所構成:壓縮機8、空冷凝縮器9、放熱管10、結露防止管11、乾燥器12、減壓裝置13、冷卻器14等。壓縮機8為,將冷媒壓縮並使其在冷媒回路7內循環的裝置,其設置在機械室90。機械室90中設置了機械室風扇95,其將外部空氣吸入機械室90內,使機械室90內的空氣循環以使壓縮機8等冷卻。空冷凝縮器9,配置在機械室90,其係為使冷媒的熱放熱到機械室風扇95所吹送的空氣之空冷的熱交換器。放熱管10為設置在冰箱1本體的聚氨基甲酸酯內部的配管,其使得冷媒的熱自然放熱到冰箱1外的空氣。結露防止管11,圍在冰箱1前面的各貯藏室周圍,防止在前面的結露。如此一來,空冷凝縮器9、放熱管10及結露防止管11,具有在冷媒回路7中使得冷媒凝縮的功能。另外,乾燥器12,除去冷媒內的水分,防止因為水分而造成凍結。減壓裝置13係構成為具有例如毛細管等,以使得冷媒減壓。冷卻器14配置在冷卻器室27,在冷卻器室27中,還配置了使得冰箱1內的空氣循環的送風機15。冷卻器14為,吸熱 從送風機15所吹送的空氣中冷媒的熱之熱交換器。亦即,冷卻器14具有使冷媒蒸發的功能。 FIG. 4 shows the inside of the machine room 90 when the machine outdoor cover is removed and viewed from the rear. As shown in FIG. 2 and FIG. 4, the refrigerant circuit 7 is constituted by piping connected to the following devices: compressor 8, air condenser 9, heat release tube 10, condensation prevention tube 11, dryer 12, decompression device 13, cooling器 14 等。 The 14 and so on. The compressor 8 is a device that compresses a refrigerant and circulates the refrigerant in the refrigerant circuit 7, and is provided in the machine room 90. The machine room 90 is provided with a machine room fan 95 that draws external air into the machine room 90 and circulates the air in the machine room 90 to cool the compressor 8 and the like. The air condenser 9 is disposed in the machine room 90 and is an air-cooled heat exchanger that radiates the heat of the refrigerant to the air blown by the machine room fan 95. The heat radiation pipe 10 is a pipe provided inside the polyurethane of the main body of the refrigerator 1, and naturally radiates the heat of the refrigerant to the air outside the refrigerator 1. The dew condensation prevention tube 11 surrounds each storage compartment in front of the refrigerator 1 to prevent dew condensation in the front. In this way, the air condenser 9, the heat radiation tube 10, and the dew condensation prevention tube 11 have a function of condensing the refrigerant in the refrigerant circuit 7. In addition, the dryer 12 removes moisture from the refrigerant to prevent freezing due to the moisture. The decompression device 13 is configured to have, for example, a capillary tube to decompress the refrigerant. The cooler 14 is disposed in the cooler chamber 27. The cooler chamber 27 is further provided with a blower 15 that circulates air in the refrigerator 1. The cooler 14 is a heat exchanger that absorbs heat of the refrigerant in the air blown from the blower 15. That is, the cooler 14 has a function of evaporating the refrigerant.

另外,冰箱1具有:用以將冷卻器室27所冷卻的冷氣導入各貯藏室的風路;及設置於風路,調整流向各貯藏室的冷氣的量的風量調整裝置18a,18b,18c(以下,亦總稱為風量調整裝置18)等。風量調整裝置18係由例如開度可變的氣閘等構成。另外,如圖3所示,冰箱1具有控制基板17及複數個溫度感測器等。溫度感測器16a,16b,16c,16d(以下,亦總稱為溫度感測器16)係由例如熱敏電阻等構成,分別設置在各貯藏室,檢知其設置所在的貯藏室內的空氣溫度、或者貯藏食品的溫度。在圖3中,溫度感測器16a設置在冷藏室2中、溫度感測器16b設置在溫度切換室4中、溫度感測器16c設置在蔬菜室5中、而溫度感測器16d設置在冷凍室6中。控制基板17內建於冰箱1的背面上部。控制基板17具有例如微電腦及電子零件等,進行冰箱1的各種控制。例如,控制基板17,因應從溫度感測器16輸入的溫度資訊,控制設置在風路的風量調整裝置18的開度、壓縮機8的驅動頻率、及送風機15的送風量等。 In addition, the refrigerator 1 includes an air path for introducing cool air cooled by the cooler chamber 27 into each storage room, and air volume adjustment devices 18a, 18b, and 18c provided in the air path to adjust the amount of cold air flowing to each storage room. Hereinafter, it is also collectively called an air volume adjustment device 18) and the like. The air volume adjustment device 18 is composed of, for example, an airlock with a variable opening degree. As shown in FIG. 3, the refrigerator 1 includes a control board 17 and a plurality of temperature sensors. The temperature sensors 16a, 16b, 16c, and 16d (hereinafter, also collectively referred to as the temperature sensor 16) are composed of, for example, a thermistor, etc., and are respectively installed in each storage room, and the air temperature in the storage room where the installation is located is detected. , Or the temperature of the stored food. In FIG. 3, the temperature sensor 16a is provided in the refrigerator compartment 2, the temperature sensor 16b is provided in the temperature switching room 4, the temperature sensor 16c is provided in the vegetable room 5, and the temperature sensor 16d is provided in Freezer compartment 6. The control board 17 is built in the upper part of the back of the refrigerator 1. The control board 17 includes, for example, a microcomputer and electronic components, and performs various controls of the refrigerator 1. For example, the control substrate 17 controls the opening degree of the air volume adjustment device 18 installed in the air path, the driving frequency of the compressor 8, and the amount of air supplied by the blower 15 in accordance with the temperature information input from the temperature sensor 16.

在冷媒回路7中,從壓縮機8吐出的冷媒,依序通過空冷凝縮器9、放熱管10、及結露防止管11,在通過的期間放熱而凝縮。流出結露防止管11的冷媒,流入乾燥器12以除去水分,再流入減壓裝置13。流入減壓裝置13的冷媒被減壓,再流入冷卻器14。在冷卻器14中,冷媒,從藉由送風機15而在冰箱1內循環的空氣吸熱而蒸發。此時,冷卻器14周邊的空氣被冷卻。在冷卻器14中蒸發了的冷媒,通過將冷卻器14和壓縮機 8連接的吸入管時,和流過減壓裝置13的冷媒進行熱交換的同時溫度上升,再回到壓縮機8。 In the refrigerant circuit 7, the refrigerant discharged from the compressor 8 passes through the air condenser 9, the heat radiation tube 10, and the dew condensation prevention tube 11 in this order, and heat is condensed during the passage. The refrigerant flowing out of the dew condensation prevention tube 11 flows into the dryer 12 to remove moisture, and then flows into the decompression device 13. The refrigerant flowing into the decompression device 13 is decompressed and then flows into the cooler 14. In the cooler 14, the refrigerant absorbs heat from the air circulating in the refrigerator 1 by the blower 15 and evaporates. At this time, the air around the cooler 14 is cooled. When the refrigerant evaporated in the cooler 14 passes through a suction pipe connecting the cooler 14 and the compressor 8, the temperature rises while exchanging heat with the refrigerant flowing through the pressure reducing device 13, and then returns to the compressor 8.

另一方面,冰箱1內的空氣和流過冷卻器室27內的冷媒熱交換所產生的冷氣,藉由送風機15,通過風路向各貯藏室吹送,將各貯藏室冷卻。由設置在各貯藏室的溫度感測器16檢測各貯藏室的溫度,控制基板17使風量調整裝置18等動作,以使得檢測到的溫度達到預設的溫度,保持適當的溫度。冷卻了各貯藏室的冷氣,藉由送風機15,通過風路再回到冷卻器室27。 On the other hand, the air in the refrigerator 1 and the cold air generated by the heat exchange of the refrigerant flowing through the cooler chamber 27 are blown to each storage chamber through the air path by the blower 15 to cool each storage chamber. The temperature of each storage room is detected by a temperature sensor 16 provided in each storage room, and the control board 17 controls the air volume adjustment device 18 to make the detected temperature reach a preset temperature and maintain an appropriate temperature. The cold air cooled in each storage chamber is returned to the cooler chamber 27 through the air path by the blower 15.

圖3所示,冷卻器14的位置可以設定為,在冷卻器室27內,下端14a位於較蔬菜室5的底面的位置F更靠下方。如此構成的情況下,確保在冷卻器14的上部有更大的空間,因此,使得將冷氣吹送到各貯藏室的送風機15的尺寸的自由度增加,另外,確保了用以配置風量調整裝置18的空間。 As shown in FIG. 3, the position of the cooler 14 may be set such that the lower end 14 a is located below the position F of the bottom surface of the vegetable compartment 5 in the cooler chamber 27. In the case of such a structure, a larger space is ensured in the upper part of the cooler 14. Therefore, the degree of freedom of the size of the blower 15 that blows cold air to each storage room is increased, and the air volume adjustment device 18 is secured. Space.

繼之,基於圖5~圖9,說明冰箱1的隔熱箱體19的構成。圖5為顯示本發明的實施形態1的隔熱箱體的構成之部分剖面圖。圖6為顯示本發明的實施形態1的隔熱箱體的構件被固定之狀態的部分剖面圖。圖7為顯示本發明的實施形態1的隔熱箱體的構成之第1例的部分剖面圖。圖8為顯示本發明的實施形態1的隔熱箱體的構成之第2例的部分剖面圖。圖9為顯示本發明的實施形態1的隔熱箱體的構成之第3例的部分剖面圖。 Next, the structure of the heat insulation box 19 of the refrigerator 1 is demonstrated based on FIGS. 5-9. Fig. 5 is a partial cross-sectional view showing the structure of a heat-insulating box according to the first embodiment of the present invention. FIG. 6 is a partial cross-sectional view showing a state where the members of the heat insulation box according to the first embodiment of the present invention are fixed. 7 is a partial cross-sectional view showing a first example of the configuration of a heat-insulating box according to the first embodiment of the present invention. Fig. 8 is a partial cross-sectional view showing a second example of the configuration of the heat-insulating box according to the first embodiment of the present invention. FIG. 9 is a partial cross-sectional view showing a third example of the structure of the heat-insulating box according to the first embodiment of the present invention.

圖5所示,隔熱箱體19由下列構成:構成外廓的外箱21及內箱22、配置在外箱21和內箱22之間的隔熱材23等,抑制來自外部的熱侵入。內箱22,為隔熱箱體19的外廓的一部分, 構成各貯藏室的內壁。隔熱材23係使用例如聚氨基甲酸酯發泡材23a等。 As shown in FIG. 5, the heat-insulating box 19 is composed of an outer box 21 and an inner box 22 constituting an outer frame, a heat-insulating material 23 disposed between the outer box 21 and the inner box 22, and the like, and suppresses heat intrusion from the outside. The inner box 22 is a part of the outer contour of the heat insulation box 19, and comprises the inner wall of each storage room. The heat insulating material 23 is, for example, a polyurethane foamed material 23a.

另外,圖6所示,在設置了具有框構造25a的抽屜式的貯藏室門片的情況下,在隔熱箱體19的內箱22側,設置了承接框構造25a的軌道構造25b。隔熱箱體19,在設置軌道構造25b的支撐物25c的位置,其形狀對應於支撐物25c的形狀,支撐物25c藉由周圍的內箱22及聚氨基甲酸酯發泡材23a而固定。藉由聚氨基甲酸酯發泡材23a,將矯正冰箱1的扭曲的補強構件、上述冷媒回路7的零件、及電氣配線零件等的各種內設構件固定在隔熱箱體19的其他部位。 In addition, as shown in FIG. 6, when a drawer-type storage compartment door having a frame structure 25 a is provided, a rail structure 25 b that receives the frame structure 25 a is provided on the inner box 22 side of the heat insulation box 19. The shape of the heat insulation box 19 corresponds to the shape of the support 25c at the position where the support 25c of the rail structure 25b is installed. The support 25c is fixed by the surrounding inner box 22 and the polyurethane foam 23a. . Various internal components such as the reinforcing members that correct the distortion of the refrigerator 1, the components of the refrigerant circuit 7, and the electrical wiring components are fixed to the other parts of the heat insulation box 19 by the polyurethane foam 23 a.

圖7所示,隔熱箱體19的隔熱材23,可以由聚氨基甲酸酯發泡材23a和真空隔熱材23b構成。在此情況下,在形成於外箱21和內箱22之間的空間的一部分配置真空隔熱材23b,在剩餘的空間中填充聚氨基甲酸酯發泡材23a。在圖7中,真空隔熱材23b貼附在外箱21的壁面。如此一來,隔熱材23的一部分使用真空隔熱材23b,藉此,隔熱箱體19能夠更進一步減少向冰箱1內的熱侵入量。 As shown in FIG. 7, the heat insulation material 23 of the heat insulation box 19 may be composed of a polyurethane foam material 23 a and a vacuum heat insulation material 23 b. In this case, a vacuum heat insulating material 23b is arranged in a part of the space formed between the outer case 21 and the inner case 22, and the remaining space is filled with the polyurethane foam 23a. In FIG. 7, the vacuum heat insulating material 23 b is attached to the wall surface of the outer box 21. In this way, by using a vacuum heat insulating material 23b as a part of the heat insulating material 23, the heat insulating box 19 can further reduce the amount of heat intrusion into the refrigerator 1.

另外,圖8所示,真空隔熱材23b可以構成為,對應於在隔熱箱體19內部設置的位置,藉由墊片26配置在外箱21的壁面和內箱22的壁面的中間位置。或者,如圖9所示,真空隔熱材23b亦可貼附於內箱22的壁面。圖9的構成中,真空隔熱材23b設置為不會干擾上述內設構件即可。再者,隔熱箱體19中設置真空隔熱材23b的位置及範圍不限於上述構成,只要設置為能夠確保冰箱1的殼體強度即可。冰箱1,藉由搭載真空隔 熱材23b,能夠使外箱21和內箱22之間的距離(隔熱厚)變窄,內容積增加。 In addition, as shown in FIG. 8, the vacuum heat insulating material 23 b may be configured to be disposed at an intermediate position between the wall surface of the outer box 21 and the wall surface of the inner box 22 by a gasket 26 corresponding to a position provided inside the heat insulation box 19. Alternatively, as shown in FIG. 9, the vacuum heat insulating material 23 b may be attached to the wall surface of the inner box 22. In the configuration of FIG. 9, the vacuum heat insulating material 23 b may be provided so as not to interfere with the above-mentioned internal members. The position and range of the vacuum insulation material 23b in the heat insulation box 19 are not limited to the above-mentioned configuration, and may be provided so as to ensure the strength of the casing of the refrigerator 1. By installing the vacuum heat insulating material 23b in the refrigerator 1, the distance (heat insulation thickness) between the outer case 21 and the inner case 22 can be narrowed, and the inner volume can be increased.

繼之,說明形成於冰箱1內的風路。風路由下列構成:與冷卻器室27和一部分貯藏室風路連接的風路、將冷氣向各貯藏室吹出的吹出風路、冷氣從各貯藏室回流的返回風路等。 Next, an air path formed in the refrigerator 1 will be described. The air passage has the following constitutions: an air passage connected to the cooler chamber 27 and a part of the storage chamber air passages, a blowout air passage for blowing cold air to each storage chamber, a return air passage for returning cold air from each storage chamber, and the like.

圖10為顯示本發明的實施形態1的冰箱的下部周邊的說明圖。(a)為將門片卸下時的正面剖面圖、(b)為側面剖面圖。如圖10所示,在冷卻器14的右側形成始自冷藏室2的返回風路30a,在返回風路30a的前方,形成始自溫度切換室4的返回風路30c及向蔬菜室5的吹出風路29d。冷卻器14,在返回風路30c及吹出風路29d的前方,形成作為與蔬菜室5內的空間之分隔的背面壁31。 FIG. 10 is an explanatory view showing a lower periphery of a refrigerator according to the first embodiment of the present invention. (a) is a front sectional view when the door piece is removed, and (b) is a side sectional view. As shown in FIG. 10, a return air path 30a from the refrigerating compartment 2 is formed on the right side of the cooler 14, and a return air path 30c from the temperature switching chamber 4 and a path to the vegetable compartment 5 are formed in front of the return air path 30a. Blow out the wind path 29d. The cooler 14 forms a back wall 31 as a partition from the space in the vegetable compartment 5 in front of the return air path 30c and the blow-out air path 29d.

圖11為顯示本發明的實施形態1的蔬菜室周邊的構成之側面剖面圖。在蔬菜室5的背面,形成將蔬菜室5與冷卻器室27隔開的背面壁31。背面壁31為隔熱壁,由下列構成:蔬菜室5側的隔熱壁外廓38及冷卻器室27側的隔熱壁外廓42、真空隔熱材39、配置在真空隔熱材39周圍的發泡隔熱材40等。在背面壁31的發泡隔熱材40,設置將冷氣向冷凍室6及冷藏室2等的貯藏室吹送的風路28。從後方開始,風路28的前後配置依序為冷卻器14、隔熱壁外廓42、形成了風路28的發泡隔熱材40、真空隔熱材39、及蔬菜室5側的隔熱壁外廓38。設有風路構成的發泡隔熱材40,具有保持風量調整裝置18的功能。 FIG. 11 is a side cross-sectional view showing the configuration of the periphery of a vegetable compartment in Embodiment 1 of the present invention. A back wall 31 is formed on the back surface of the vegetable room 5 to separate the vegetable room 5 from the cooler room 27. The back wall 31 is a heat insulation wall and is composed of the heat insulation wall outline 38 on the vegetable room 5 side and the heat insulation wall outline 42 on the cooler room 27 side, the vacuum insulation material 39, and the vacuum insulation material 39. The surrounding foam insulation material 40 and the like. An air path 28 is provided in the foamed heat insulating material 40 on the back wall 31 to blow cool air to storage rooms such as the freezing compartment 6 and the refrigerating compartment 2. Starting from the rear, the front and rear arrangements of the air path 28 are the cooler 14, the heat insulation wall outline 42, the foamed heat insulation material 40 forming the air path 28, the vacuum heat insulation material 39, and the partition on the side of the vegetable room 5. Hot wall profile 38. The foamed heat insulation material 40 provided with an air path has a function of holding the air volume adjustment device 18.

蔬菜室5的頂面壁32係作為蔬菜室5、製冰室3及溫 度切換室4之間的分隔,蔬菜室5的底壁35係作為蔬菜室5和冷凍室6之間的分隔。頂面壁32及底壁35,由隔熱壁構成,抑制設定溫度相異的貯藏室間的熱移動。頂面壁32及底壁35為,例如用射出成型材構成外廓,其內部則由聚氨基甲酸酯發泡材35a及真空隔熱材35b構成。藉由確保聚氨基甲酸酯發泡材35a的黏性或流路寬度,將真空隔熱材35b配置在分隔外廓壁面的中間,用聚氨基甲酸酯發泡材35a將全體包住,能夠進一步抑制劣化。如圖11所示,真空隔熱材35b配置在低溫的貯藏室側的情況下,容易維持設定在低溫的貯藏室內的溫度。在圖11中,真空隔熱材35b,在頂面壁32內配置在製冰室3及溫度切換室4側,在底壁35內配置在冷凍室6側。 The top wall 32 of the vegetable compartment 5 serves as a partition between the vegetable compartment 5, the ice-making compartment 3, and the temperature switching chamber 4. The bottom wall 35 of the vegetable compartment 5 serves as a partition between the vegetable compartment 5 and the freezing compartment 6. The top wall 32 and the bottom wall 35 are made of a heat-insulating wall, and suppress heat transfer between storage rooms having different set temperatures. The top wall 32 and the bottom wall 35 are, for example, formed by an injection molding material, and the inside thereof is formed of a polyurethane foam material 35a and a vacuum insulation material 35b. To ensure the viscosity or flow path width of the polyurethane foam 35a, the vacuum insulation material 35b is arranged in the middle of the partition wall surface, and the whole is covered with the polyurethane foam 35a. It is possible to further suppress deterioration. As shown in FIG. 11, when the vacuum heat insulating material 35b is arrange | positioned at the low temperature storage room side, it is easy to maintain the temperature set in the low temperature storage room. In FIG. 11, the vacuum heat insulating material 35 b is arranged on the ice-making chamber 3 and the temperature switching chamber 4 side in the top wall 32, and is arranged on the freezing chamber 6 side in the bottom wall 35.

圖12為顯示從本發明的實施形態1的蔬菜室內觀看之背面壁部的正面剖面圖。如圖12所示,向蔬菜室5內吹出冷氣的吹出口44,形成在蔬菜室5的背面壁31的內壁之右側上部。冷氣的吹出口44,位於在背面壁31設置的真空隔熱材39的前後方向上的較投影面更靠外側。另外,冷氣從蔬菜室5回流的返回口45,在背面壁31中,形成於相對於吹出口44的對角上的左側下部。返回口45,位於在真空隔熱材39的前後方向上的較投影面更靠外側。吹出口44,藉由配置在冷卻器14上方的送風機15,經由設置在冷卻器室27上方的風量調整裝置18(例如風量調整裝置18c)而供給冷卻器14所產生的冷氣。從吹出口44向蔬菜室5內吹出的冷氣,將蔬菜室5內冷卻之後,從冷氣的返回口45排出,導向冷卻器室27,再度由冷卻器14冷卻之。 12 is a front cross-sectional view showing a rear wall portion viewed from a vegetable room according to Embodiment 1 of the present invention. As shown in FIG. 12, an air outlet 44 for blowing cold air into the vegetable compartment 5 is formed on the upper right side of the inner wall of the rear wall 31 of the vegetable compartment 5. The cold air outlet 44 is located further outside than the projection surface in the front-rear direction of the vacuum heat insulating material 39 provided on the back wall 31. In addition, a return port 45 through which the cold air flows back from the vegetable compartment 5 is formed in the lower wall portion on the left side of the back wall 31 at a diagonal with respect to the air outlet 44. The return opening 45 is located further outside than the projection surface in the front-rear direction of the vacuum heat insulating material 39. The air outlet 44 is configured to supply the cold air generated by the cooler 14 via a blower 15 disposed above the cooler 14 via an air volume adjustment device 18 (for example, an air volume adjustment device 18c) provided above the cooler chamber 27. The cold air blown from the blower outlet 44 into the vegetable compartment 5 cools the inside of the vegetable compartment 5 and is then discharged from the cold air return opening 45 to be guided to the cooler chamber 27 and cooled by the cooler 14 again.

圖13為顯示本發明的實施形態1的冰箱的冷藏室 吹出風路和冷藏室2的返回風路的說明圖。(a)為門片卸下後的冰箱1的部分正面圖、(b)為冷藏室的吹出風路29a中的冰箱1的側面剖面圖、(c)為冷藏室2的返回風路30a中的冰箱1的部分側面剖面圖。 Fig. 13 is an explanatory view showing a refrigerating chamber blow-out air path and a returning air path of the refrigerating chamber 2 in the refrigerator according to the first embodiment of the present invention. (a) is a partial front view of the refrigerator 1 after the door is removed, (b) is a side sectional view of the refrigerator 1 in the air outlet 29a of the refrigerator compartment, and (c) is a return air channel 30a in the refrigerator 2 Side sectional view of a part of the refrigerator 1.

圖13所示,冷藏室2的吹出風路29a為,冷氣從設置在冷卻器14的上方的送風機15排出後通過的複數風路連接而成。複數風路為,例如背面壁31內的風路28、冷卻器室27上方的發泡隔熱材內的向冷藏室2的風路、將冷藏室2和製冰室3及溫度切換室4分隔的隔熱壁內的風路、由冷藏室2的背面側設置的發泡隔熱材所成型的風路等。另外,調整向冷藏室2的冷氣供給量的風量調整裝置18a,設置在例如冷藏室2的吹出風路29a的途中。另外,冷藏室2的返回風路30a設置為,在較冷卻器14右側使用發泡隔熱材以獲得必要隔熱。冷藏室2的返回風路30a的排出口,在冷卻器室27內從冷卻器14的下方右側,與承接除霜時的融解水的接水盤80連接。 As shown in FIG. 13, the blowing air path 29 a of the refrigerating compartment 2 is formed by connecting a plurality of air paths through which cold air is discharged from the blower 15 provided above the cooler 14. The plurality of air paths are, for example, the air path 28 in the back wall 31, the air path to the refrigerating compartment 2 in the foam insulation material above the cooler compartment 27, and the refrigerating compartment 2 and the ice-making compartment 3 and the temperature switching compartment 4 are separated. Air passages in the heat-insulating wall, air passages formed by a foamed heat-insulating material provided on the back side of the refrigerator compartment 2, and the like. The air volume adjustment device 18 a that adjusts the amount of cold air supplied to the refrigerating compartment 2 is provided, for example, on the way of the blowing air path 29 a of the refrigerating compartment 2. In addition, the return air path 30a of the refrigerator compartment 2 is provided by using a foamed heat insulating material on the right side of the cooler 14 to obtain necessary heat insulation. The discharge port of the return air path 30a of the refrigerator compartment 2 is connected to the drain pan 80 that receives the melted water during defrosting from the lower right side of the cooler 14 in the cooler chamber 27.

上述冷藏室2的返回風路30a中未確保必要隔熱的情況下,在返回風路30a設置用以避免因為結霜而使風路閉塞的風路加熱器即可。圖14A為顯示本發明的實施形態1的冰箱的風路加熱器的設置例之正面圖。圖14B為顯示本發明的實施形態1的冰箱的風路加熱器另一設置例的正面圖。圖14A及圖14B中顯示將門片卸下後的冰箱的下部周邊。 In the case where the necessary heat insulation is not ensured in the return air path 30a of the refrigerating compartment 2, an air path heater may be provided in the return air path 30a to avoid blocking the air path due to frost. FIG. 14A is a front view showing an installation example of the air path heater of the refrigerator according to the first embodiment of the present invention. FIG. FIG. 14B is a front view showing another installation example of the air-path heater of the refrigerator according to the first embodiment of the present invention. FIG. 14A and 14B show the lower periphery of the refrigerator after the door sheet is removed.

在圖14A中,風路加熱器33a設置在冷藏室2的返回風路30a內,在必要時進行發熱。風路加熱器33a,在返回風路30a內的任意的位置設置於風路長邊方向上,例如,設置在將 冷卻器14於上下方向投影的尺寸以上的範圍中即可。另外,圖14B中,風路加熱器33b設置在接水盤80的附近。風路加熱器33b可以設置為,例如,以返回風路30a焊接水盤80的接合部為中心,在上下100mm左右的範圍中沿著回流冷氣的流動方向。 In FIG. 14A, the air path heater 33a is provided in the return air path 30a of the refrigerator compartment 2, and generates heat when necessary. The air path heater 33a may be installed in the air path longitudinal direction at an arbitrary position in the return air path 30a, for example, it may be provided in a range greater than or equal to the size of the cooler 14 projected in the vertical direction. In addition, in FIG. 14B, the air path heater 33 b is provided near the water receiving tray 80. The air path heater 33b may be provided, for example, centering on the joint portion of the welding water pan 80 of the return air path 30a, along the flow direction of the returning cold air in a range of about 100 mm up and down.

圖15為顯示本發明的實施形態1的冰箱的製冰室吹出風路及製冰室返回風路的說明圖。(a)為門片卸下後的冰箱1的部分正面圖、(b)為製冰室3內的立體圖。 FIG. 15 is an explanatory diagram showing an ice-making chamber blow-out air path and an ice-making chamber return air path of the refrigerator according to the first embodiment of the present invention. (a) is a partial front view of the refrigerator 1 with the door sheet removed, and (b) is a perspective view of the inside of the ice-making compartment 3.

圖15所示,製冰室3的吹出風路29b為,冷氣從冷卻器14上方設置的送風機15排出後通過的複數風路連接而成。複數風路為,例如冷卻器室27上方的發泡隔熱材內的風路、及由製冰室3的背面側設置的發泡隔熱材成型的風路等。再者,調整向製冰室3的冷氣供給量的未圖示的風量調整裝置,設置在例如製冰室3的吹出風路29b的途中。製冰室3中的冷氣的吹出口70設置在製冰室3背面的任意位置,從吹出口70吹出的冷氣流入製冰機構71。製冰室3的返回風路30b設置為,從冷卻器14的前面在冷卻器14的全幅內的較冰箱1中心靠製冰室3側且在製冰室3的前後方向的投影幅內。製冰室3的返回風路30b由下列構成:製冰室3的背面壁內任意設置的返回口72、製冰室表面的外廓中的裏側、製冰室3的表面的外廓鄰接的發泡隔熱材的一部分等。製冰室3的返回風路30b的排出口,在來自冷凍室6的冷氣返回口74附近合流。為了避免合流壓損,來自冷凍室6的冷氣返回口74可以形成為,在來自製冰室3的冷氣的排出口附近,具有為製冰室3的返回風路30b的左右寬度以上的尺寸。另外,製冰室3的返回風路30b,可以在較來自冷凍室 6的冷氣返回口74更靠上方位置,直接返回冷卻器室27內。 As shown in FIG. 15, the blowing air path 29 b of the ice making chamber 3 is formed by connecting a plurality of air paths through which cold air is discharged from a blower 15 provided above the cooler 14. The plurality of air passages are, for example, an air passage in a foamed heat insulation material above the cooler chamber 27 and an air passage formed by a foamed heat insulation material provided on the back side of the ice making chamber 3. In addition, an unillustrated air volume adjustment device that adjusts the amount of cold air supplied to the ice making chamber 3 is provided, for example, on the way of the blowing air path 29 b of the ice making chamber 3. The cold air outlet 70 in the ice-making chamber 3 is provided at an arbitrary position on the back of the ice-making chamber 3, and the cold air flow blown from the air outlet 70 enters the ice-making mechanism 71. The return air path 30b of the ice making chamber 3 is provided so that the ice making chamber 3 is located closer to the center of the refrigerator 1 than the center of the refrigerator 1 from the front of the cooler 14 and within the projection frame of the ice making chamber 3 in the front-rear direction. The return air path 30b of the ice-making chamber 3 is composed of a return opening 72 arbitrarily provided in the rear wall of the ice-making chamber 3, an inner side of the outer contour of the surface of the ice-making chamber, and an outer contour of the surface of the ice-making chamber 3 adjacent Part of the foamed heat insulation material. The discharge port of the return air path 30 b of the ice making chamber 3 merges near the cold air return port 74 from the freezing chamber 6. In order to avoid confluent pressure loss, the cold air return port 74 from the freezing compartment 6 may be formed to have a size that is greater than the left and right widths of the return air passage 30b of the ice making chamber 3 near the discharge port of the cold air from the ice making chamber 3. In addition, the return air path 30b of the ice making chamber 3 can be returned directly to the cooler chamber 27 at a position higher than the cold air return port 74 from the freezing chamber 6.

圖16為顯示本發明的實施形態1的冰箱的切換室吹出風路及切換室返回風路的說明圖。(a)為門片卸下後的冰箱1的部分正面圖、(b)為冰箱1的部分側面剖面圖。 FIG. 16 is an explanatory view showing a switching-chamber blowing air path and a switching-chamber return air path of the refrigerator according to the first embodiment of the present invention. (a) is a partial front view of the refrigerator 1 with the door sheet removed, and (b) is a partial side sectional view of the refrigerator 1.

如圖16所示,向溫度切換室4的冷氣的吹出風路29c為,由從冷卻器14的上方設置的送風機15排出後的冷器通過的複數風路連接而成。複數風路為,冷卻器室27上方的發泡隔熱材內的風路、及由溫度切換室4的背面側設置的發泡隔熱材成型的風路等。另外,調整向溫度切換室4的冷氣供給量的風量調整裝置18b(參照圖3)設置在,例如,溫度切換室4的吹出風路29c的途中。另外,切換室的返回風路30c由下列構成:在溫度切換室4的背面壁內任意設置的冷氣返回口、溫度切換室4表面的外廓的裏側、溫度切換室4表面的外廓鄰接的發泡隔熱材的一部分等。另外,返回風路30c的排出口設置在來自冷凍室6的返回風路30e的右側。 As shown in FIG. 16, the cold air blowing air path 29 c to the temperature switching chamber 4 is formed by a plurality of air paths connected by a cooler discharged from a blower 15 provided above the cooler 14. The plurality of air passages are an air passage in the foamed heat insulation material above the cooler chamber 27, and an air passage formed by the foamed heat insulation material provided on the back side of the temperature switching chamber 4. The air volume adjustment device 18 b (see FIG. 3) that adjusts the amount of cooling air supplied to the temperature switching room 4 is provided, for example, on the way of the air outlet 29 c of the temperature switching room 4. In addition, the return air path 30c of the switching chamber is composed of a cold air return opening arbitrarily provided in the rear wall of the temperature switching chamber 4, the inner side of the outer surface of the surface of the temperature switching chamber 4, and the outer contour of the surface of the temperature switching chamber 4 adjoining. Part of the foamed heat insulation material. The discharge port of the return air path 30 c is provided on the right side of the return air path 30 e from the freezing compartment 6.

圖17為顯示本發明的實施形態1的冰箱的冷凍室吹出風路及冷凍室6的返回風路的說明圖。(a)為門片卸下後的冰箱1的部分正面圖、(b)為冰箱1的部分側面剖面圖。 FIG. 17 is an explanatory diagram showing a freezer blowing air passage and a returning air passage of the freezer 6 in the refrigerator according to the first embodiment of the present invention. (a) is a partial front view of the refrigerator 1 with the door sheet removed, and (b) is a partial side sectional view of the refrigerator 1.

圖17所示,冷凍室6的吹出風路29e為,冷氣從冷卻器14上方設置的送風機15排出後通過的複數風路連接而成。複數風路為,例如背面壁31內的風路28、及設於蔬菜室5的底壁35的風路等。通過了冷凍室6的吹出風路29e的冷氣,藉由設置在冷凍室6的進深側頂面的引導部,被導入在冷凍室6內堆疊為複數層的收納盒內,將冷凍室6內的貯藏物冷卻。另外, 冷凍室6的返回風路30e,由從冷凍室6內向蔬菜室5的底壁35的後方設置的風路所構成。返回風路30e形成於冷卻器14的左右寬度內的範圍。冷凍室6的返回風路30e的排出口,和冷藏室2的返回風路30a一樣,在冷卻器室27內從冷卻器14的下方右側與接水盤80連接。另外,上述的引導部,例如,具備在冰箱1的前後方向配列的2個引導件,亦可配置在前向方冷凍室6內的吹出側的引導件、還有在後方來自冷凍室6內的返回側的引導件。 As shown in FIG. 17, the blowing air passage 29 e of the freezing compartment 6 is formed by connecting a plurality of air passages through which cold air is discharged from a blower 15 provided above the cooler 14. The plurality of air passages are, for example, an air passage 28 in the back wall 31 and an air passage provided in the bottom wall 35 of the vegetable compartment 5. The cold air that has passed through the blow-out air path 29e of the freezing chamber 6 is introduced into a storage box stacked in a plurality of layers in the freezing chamber 6 by a guide provided on the deep side top surface of the freezing chamber 6, and the inside of the freezing chamber 6 The storage is cooled. In addition, the return air path 30e of the freezer compartment 6 is constituted by an air path provided from the inside of the freezer compartment 6 to the rear of the bottom wall 35 of the vegetable compartment 5. The return air path 30 e is formed in a range within the left and right widths of the cooler 14. The outlet of the return air path 30e of the freezer compartment 6 is connected to the drain pan 80 in the cooler chamber 27 from the lower right side of the cooler 14 in the same manner as the return air path 30a of the refrigerator compartment 2. In addition, the above-mentioned guide includes, for example, two guides arranged in the front-rear direction of the refrigerator 1, and the guides may be disposed on the blow-out side in the front-side freezer compartment 6 and from the rear of the freezer compartment 6. Guide on the return side.

圖18為顯示本發明的實施形態1的貯藏室分隔構成的第1例之概略剖面圖。圖19為顯示本發明的實施形態1的貯藏室分隔構成的第2例之概略剖面圖。上述的圖11中,已說明蔬菜室5的底壁35內的真空隔熱材35b配置在低溫的貯藏室側(冷凍室6側)的情況,但如圖18及圖19所示,真空隔熱材35b可以配置在底壁35內的任意位置。如圖19所示,真空隔熱材35b配置在外廓壁面的蔬菜室5側的情況下,能夠增加對於蔬菜室5內壁面的覆蓋率,能夠抑制熱侵入量。 Fig. 18 is a schematic cross-sectional view showing a first example of a storage compartment partition structure according to the first embodiment of the present invention. Fig. 19 is a schematic cross-sectional view showing a second example of a storage compartment partition structure according to the first embodiment of the present invention. In FIG. 11 described above, the case where the vacuum insulation material 35b in the bottom wall 35 of the vegetable compartment 5 is disposed on the low-temperature storage compartment side (the freezer compartment 6 side) has been described, but as shown in FIGS. 18 and 19, the vacuum insulation The hot material 35 b may be arranged at any position in the bottom wall 35. As shown in FIG. 19, when the vacuum heat insulating material 35b is arrange | positioned on the vegetable room 5 side of an outer wall surface, the coverage with respect to the inner wall surface of the vegetable room 5 can be increased, and the amount of heat intrusion can be suppressed.

另外,真空隔熱材39在蔬菜室5的背面壁31內,也能配置在任意位置。圖20為顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第1例的側面剖面圖。圖21為顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第2例的側面剖面圖。圖22為顯示本發明的實施形態1的蔬菜室周邊之壁面構成的第3例的側面剖面圖。 In addition, the vacuum heat insulating material 39 can also be arrange | positioned at arbitrary positions in the back wall 31 of the vegetable compartment 5. FIG. 20 is a side cross-sectional view showing a first example of a wall surface configuration around a vegetable room according to Embodiment 1 of the present invention. 21 is a side cross-sectional view showing a second example of a wall surface configuration around a vegetable room according to Embodiment 1 of the present invention. 22 is a side cross-sectional view showing a third example of a wall surface configuration around a vegetable room according to Embodiment 1 of the present invention.

在圖20中,背面壁31構成為,從靠近冷卻器14的後方向前方依序為隔熱壁外廓42、形成了風路28的發泡隔熱材 40、真空隔熱材39、發泡隔熱材40、蔬菜室5側的隔熱壁外廓38。另外,在圖21中,為了確保真空隔熱材39的效果,真空隔熱材39貼附在冷卻器14側的隔熱壁外廓42的內壁。圖21所示的構成例中,受到從送風機15排出之冷氣的出口的位置或者出口的尺寸的限制,有時真空隔熱材39的高尺寸減少。另外,真空隔熱材39的周圍未配置發泡隔熱材40的構成中,有加速真空隔熱材39的劣化的疑慮,但如圖22所示,藉由在隔熱壁外廓42和真空隔熱材39之間設置發泡隔熱材40,而保護真空隔熱材39。另外,真空隔熱材39的尺寸設定為大於將冷卻器14向前方投影的面積,藉此,使得通過背面壁31的1次元的熱移動量最小化。 In FIG. 20, the rear wall 31 is configured to be a heat insulation wall profile 42, a foam insulation material 40 that forms an air path 28, a vacuum insulation material 39, and The thermal insulation material 40 and the thermal insulation wall outline 38 on the vegetable compartment 5 side. In addition, in FIG. 21, in order to ensure the effect of the vacuum heat insulating material 39, the vacuum heat insulating material 39 is affixed to the inner wall of the heat insulation wall profile 42 of the cooler 14 side. In the configuration example shown in FIG. 21, the height of the vacuum heat insulating material 39 may be reduced depending on the position or the size of the outlet of the cold air discharged from the blower 15. In addition, in the configuration in which the foamed heat insulating material 40 is not arranged around the vacuum heat insulating material 39, there is a concern that the deterioration of the vacuum heat insulating material 39 is accelerated. However, as shown in FIG. A foamed heat insulating material 40 is provided between the vacuum heat insulating materials 39 to protect the vacuum heat insulating materials 39. In addition, the size of the vacuum heat insulating material 39 is set larger than the area where the cooler 14 is projected forward, thereby minimizing the amount of one-dimensional heat movement through the back wall 31.

另外,形成於蔬菜室5的背面的上述吹出口44及返回口45,在左側及右側當中的任一方配置亦可。圖23A為顯示從本發明的實施形態1的蔬菜室內觀看之背面壁的第1例的正面剖面圖。圖23B為顯示從本發明的實施形態1的蔬菜室內觀看之背面壁的第2例的正面剖面圖。 In addition, the above-mentioned air outlet 44 and the return opening 45 formed on the back surface of the vegetable compartment 5 may be arranged on either the left side or the right side. FIG. 23A is a front cross-sectional view showing a first example of a rear wall viewed from a vegetable room according to Embodiment 1 of the present invention. FIG. FIG. 23B is a front cross-sectional view showing a second example of the back wall viewed from the vegetable room according to Embodiment 1 of the present invention. FIG.

如圖23A般配置在左側的情況下,或者如圖23B般配置在右側的情況下,在右側或左側不需要設置風路,而能夠擴張配置真空隔熱材39。在此種構成中,蔬菜室5被真空隔熱材39的覆蓋率增加,而強化其隔熱性。亦即,抑制從蔬菜室5向其他貯藏室的熱移動、或者從其他貯藏室及冷卻器室27等向蔬菜室5的冷熱移動。另外,抑制從冰箱1外部向蔬菜室5的熱侵入。 When it is arranged on the left side as shown in FIG. 23A or when it is arranged on the right side as shown in FIG. 23B, there is no need to provide an air passage on the right or left side, and the vacuum heat insulating material 39 can be expanded and arranged. In such a configuration, the coverage of the vegetable compartment 5 by the vacuum heat insulating material 39 is increased, and the heat insulation property is enhanced. That is, heat transfer from the vegetable compartment 5 to other storage compartments, or cold and hot transfer from the other storage compartments, the cooler compartment 27, and the like to the vegetable compartment 5 is suppressed. In addition, heat intrusion into the vegetable compartment 5 from the outside of the refrigerator 1 is suppressed.

另一方面,真空隔熱材的覆蓋率設定得較大的情況下,蔬菜室5的平均溫度有降低的傾向。因此,冰箱1具備用 以維持蔬菜室5的室內溫度的構成即可。 On the other hand, when the coverage of the vacuum heat insulating material is set to be large, the average temperature of the vegetable compartment 5 tends to decrease. Therefore, the refrigerator 1 may be configured to maintain the indoor temperature of the vegetable compartment 5.

圖24為顯示本發明的實施形態1的蔬菜室之保溫加熱器的配置的模式圖。圖24中顯示,為了在必要時維持蔬菜室5的室內溫度,設置利用電氣阻抗的保溫加熱器46之例。保溫加熱器46為,在蔬菜室5的底面、背面、左側面及右側面中的任意位置,尤其是在蔬菜室5的室內溫度比較低的點,以例如3W以下10W左右的任意容量設置。保溫加熱器46,依據外部空氣溫度、及蔬菜室5的室內溫度按照時間基礎的通電率(通電時間相對於規準時間的比例)進行通電。 FIG. 24 is a schematic diagram showing an arrangement of a heat-preserving heater in a vegetable room according to Embodiment 1 of the present invention. FIG. 24 shows an example in which a thermal insulation heater 46 using an electrical impedance is provided in order to maintain the indoor temperature of the vegetable compartment 5 as necessary. The thermal insulation heater 46 is installed at any position on the bottom surface, the back surface, the left side, and the right side of the vegetable compartment 5, especially at a point where the indoor temperature of the vegetable compartment 5 is relatively low. The thermal insulation heater 46 is energized in accordance with the time-based energization rate (the ratio of the energization time to the regulated time) based on the outside air temperature and the indoor temperature of the vegetable compartment 5.

圖25為顯示本發明的實施形態1的蔬菜室之放熱管的配置的模式圖。圖26為顯示本發明的實施形態1的蔬菜室之放熱管和冷媒回路的連接關係的模式圖。圖25中顯示,在蔬菜室5的左右側壁中的聚氨基甲酸酯發泡材23a的內部、底壁35的外廓內部中的隔熱材側,配置放熱管47取代上述保溫加熱器46的構成。放熱管47為,使得用於冷卻器14的冷媒流通並向蔬菜室5內放熱的裝置。如圖26所示,冷媒回路7的減壓裝置13,由例如流路切換三向閥48及2支毛細管(毛細管51a及毛細管51b等)構成。在上述冷媒回路7上,經過結露防止管11而與乾燥器12連接後,流路切換三向閥48的下游側切換連接。流路切換三向閥48下游側的2支出口管49、50當中,出口管50透過上述放熱管47,與毛細管51a的一端連接。另一方面,出口管49與毛細管51b的一端連接。出口管49連接的毛細管51b可以為能夠變更減壓量的構成。 FIG. 25 is a schematic diagram showing an arrangement of heat radiation pipes in a vegetable room according to Embodiment 1 of the present invention. FIG. 26 is a schematic diagram showing a connection relationship between a heat radiation pipe and a refrigerant circuit in a vegetable room according to Embodiment 1 of the present invention. As shown in FIG. 25, a heat radiation pipe 47 is disposed in place of the heat insulation heater 46 inside the polyurethane foamed material 23 a in the left and right side walls of the vegetable compartment 5 and in the inside of the outer wall of the bottom wall 35. Composition. The heat radiation tube 47 is a device that circulates the refrigerant for the cooler 14 and releases heat into the vegetable compartment 5. As shown in FIG. 26, the decompression device 13 of the refrigerant circuit 7 includes, for example, a flow path switching three-way valve 48 and two capillary tubes (capillary tube 51a, capillary tube 51b, etc.). After the refrigerant circuit 7 is connected to the dryer 12 via the dew condensation prevention pipe 11, the downstream side of the flow path switching three-way valve 48 is switched and connected. Among the two outlet pipes 49 and 50 on the downstream side of the flow path switching three-way valve 48, the outlet pipe 50 is connected to one end of the capillary tube 51a through the heat radiation pipe 47 described above. On the other hand, the outlet pipe 49 is connected to one end of the capillary 51b. The capillary tube 51b connected to the outlet pipe 49 may have a structure capable of changing the amount of reduced pressure.

像這樣的構成中,放熱管47將冷媒的熱向蔬菜室5 內放熱,則朝向在空氣側增加負荷,在冷凍循環側增加冷媒的凝縮能力的方向作用。其結果為,冷凍循環的效率獲得改善,相較於使用保溫加熱器46的情況,能夠減少消費電力。 In such a configuration, the heat radiation pipe 47 functions to increase the load on the air side and increase the condensation capacity of the refrigerant on the refrigeration cycle side when the heat of the refrigerant is radiated into the vegetable compartment 5. As a result, the efficiency of the refrigerating cycle is improved, and power consumption can be reduced as compared with the case where the thermal insulation heater 46 is used.

基於圖27~圖29,說明調整流向放熱管47的冷媒流量的構成。圖27為顯示本發明的實施形態1的流路切換三向閥中,未與朝向蔬菜室的放熱管連接的出口管側的流量特性之圖。圖28為本發明的實施形態1的流路切換三向閥的概略構成圖。圖29為顯示本發明的實施形態1的流路切換三向閥中,對於回轉齒輪的STEP的流路形成狀態之說明圖。 The configuration for adjusting the refrigerant flow rate to the heat radiation pipe 47 will be described with reference to FIGS. 27 to 29. FIG. 27 is a diagram showing a flow rate characteristic on the outlet pipe side of the flow path switching three-way valve according to the first embodiment of the present invention, which is not connected to the heat pipe facing the vegetable compartment. FIG. 28 is a schematic configuration diagram of a flow path switching three-way valve according to Embodiment 1 of the present invention. FIG. 29 is an explanatory diagram showing a flow path formation state of a stepped gear in a flow path switching three-way valve according to Embodiment 1 of the present invention.

如圖28所示,流路切換三向閥48係使用例如類似如線性電子膨脹閥等的電子控制膨脹閥,多階段地調整與毛細管51b連接的出口管49所排出的冷媒的流量。流路切換三向閥48,大致上由低電壓4相步進馬達52和閥本體53等構成。閥本體53具有:磁轉子54、中心齒輪55、回轉齒輪56、回轉墊57、閥座58、外廓殼體59、及底板60等,作為內部主要零件。流路切換三向閥48,使4相步進馬達52藉由1-2相勵磁而單極驅動,藉此,使磁轉子54回轉動作。磁轉子54,和中心齒輪55直結,當磁轉子54回轉時,中心齒輪55進行和磁轉子54同方向且同量的回轉動作。 As shown in FIG. 28, the flow path switching three-way valve 48 uses, for example, an electronically controlled expansion valve such as a linear electronic expansion valve to adjust the flow rate of the refrigerant discharged from the outlet pipe 49 connected to the capillary tube 51b in multiple stages. The flow path switching three-way valve 48 is basically composed of a low-voltage 4-phase stepping motor 52, a valve body 53, and the like. The valve body 53 includes a magnetic rotor 54, a sun gear 55, a slewing gear 56, a slewing pad 57, a valve seat 58, an outer case 59, and a bottom plate 60 as main internal components. The flow path switching three-way valve 48 causes the 4-phase stepping motor 52 to be unipolar driven by 1-2 phase excitation, thereby rotating the magnetic rotor 54 to operate. The magnetic rotor 54 is directly connected to the sun gear 55. When the magnetic rotor 54 rotates, the sun gear 55 performs a turning operation in the same direction and the same amount as the magnetic rotor 54.

另外,如圖29所示,中心齒輪55和回轉齒輪56係直接接合,因此,固定在回轉齒輪56的回轉墊57,以設置在閥座58的中心軸為基準,受到中心齒輪55的回轉驅動而進行回轉動作。回轉墊57上,設有三處內徑相異的小孔61、62、63。3處的小孔61、62、63當中,任何一個小孔因為回轉墊57的回轉 動作而和閥座58的出口小孔64重疊時,特定的冷媒流量流出。在圖29的(a)~(g)中,顯示對於回轉齒輪56的相異STEP的流路形成狀態。如圖27所示,在出口管49側,構成為可切換為5階段的流量控制,按照流量小的順序依序為全閉、縮小流量A、縮小流量B、縮小流量C、及全開。在圖29的流路形成狀態中,狀態(b)對應於全閉、狀態(c)對應於縮小流量A、狀態(d)對應於縮小流量B、狀態(e)對應於縮小流量C、狀態(f)對應於全開。 In addition, as shown in FIG. 29, the sun gear 55 and the slewing gear 56 are directly engaged. Therefore, the slewing pad 57 fixed to the slewing gear 56 is driven by the slewing gear of the sun gear 55 with reference to the central axis provided on the valve seat 58. Instead, a turning action is performed. The rotary pad 57 is provided with three small holes 61, 62, 63 having different inner diameters. Among the small holes 61, 62, 63 at any of the three positions, any one of the small holes is caused by the rotary action of the rotary pad 57 and the valve seat 58. When the outlet orifices 64 overlap, a specific refrigerant flow rate flows out. (A)-(g) of FIG. 29 shows the flow path formation states of the different STEPs with respect to the slewing gear 56. As shown in FIG. 27, on the side of the outlet pipe 49, it is configured to be switchable to a five-stage flow control, and in the order of small flow, it is fully closed, reduced flow A, reduced flow B, reduced flow C, and fully opened. In the flow path forming state of FIG. 29, the state (b) corresponds to the fully closed state, the state (c) corresponds to the reduced flow rate A, the state (d) corresponds to the reduced flow rate B, and the state (e) corresponds to the reduced flow rate C, state. (f) corresponds to full open.

冰箱1藉由具備此種構成,能夠確保蔬菜室5的溫度,同時降低消費電量。另外,蔬菜室5的保溫係使用利用電氣阻抗的保溫加熱器46的情況下,亦可不使用流路切換三向閥,而使用僅存2個出口當中可以流量控制之側的雙向閥。 By having such a configuration, the refrigerator 1 can reduce the power consumption while ensuring the temperature of the vegetable compartment 5. In addition, when the heat preservation system 46 using an electrical impedance is used for the heat preservation system of the vegetable room 5, instead of using a flow path switching three-way valve, a two-way valve on the side where flow control is possible among only two outlets may be used.

基於圖30~圖31B中,說明設置在冷卻器室27及機械室90的排水路徑。圖30為顯示本發明的實施形態1的冷卻器室之一部分和機械室的構成的部分側面剖面圖。圖31A為顯示本發明的實施形態1的接水盤之構成的第1例的概略平面圖。圖31B為顯示本發明的實施形態1的接水盤之構成的第2例的概略平面圖。 A drainage path provided in the cooler chamber 27 and the machine chamber 90 will be described with reference to FIGS. 30 to 31B. FIG. 30 is a partial side cross-sectional view showing a configuration of a part of a cooler room and a machine room according to Embodiment 1 of the present invention. FIG. 31A is a schematic plan view showing a first example of the configuration of a water pan according to the first embodiment of the present invention. FIG. FIG. 31B is a schematic plan view showing a second example of the structure of the water pan according to the first embodiment of the present invention. FIG.

如圖30所示,在冷卻器室27的下方,設置將附著在冷卻器14的霜融解的除霜裝置67、將除霜動作時產生的融解水等的水分從冷卻器室27導向機械室90的接水盤80。 As shown in FIG. 30, below the cooler chamber 27, a defrosting device 67 for melting the frost attached to the cooler 14 and moisture such as melting water generated during the defrosting operation are provided from the cooler chamber 27 to the machine room. 90 的 接 盘 80 80 of the water receiving tray.

除霜裝置67由例如玻璃管加熱器所構成。玻璃管加熱器由鎳鉻電熱絲和保護鎳鉻電熱絲的玻璃管等構成,在冷卻器14除霜時,鎳鉻電熱絲藉由電氣阻抗而發熱。除霜裝置67可以設置在,冷卻器室27中冷卻器14的下方,後述排水路徑入 口之上下方向的投影面內。 The defrosting device 67 is constituted by, for example, a glass tube heater. The glass tube heater is composed of a nickel-chrome electric heating wire and a glass tube that protects the nickel-chrome electric heating wire. When the cooler 14 is defrosted, the nickel-chrome electric heating wire generates heat by electrical impedance. The defrosting device 67 may be provided below the cooler 14 in the cooler chamber 27, and in a projection plane in the up-down direction of the drainage path inlet which will be described later.

接水盤80,於介於蔬菜室5和機械室90之間的隔熱壁99構成,其設置於較蔬菜室5的底面低的位置。隔熱壁99表示,例如構成蔬菜室5的底壁35的隔熱壁的後方部分(以下稱之為壁部34)、及在隔熱箱體19中形成機械室90的壁部19a。壁部34為,例如,上面34a與蔬菜室5的底面一體成型、下面34b與冷凍室6的頂面一體成型。壁部34的上面34a和下面34b之間設置了隔熱材34c,下面34b成形為從上面34a偏離一定距離。 The water receiving tray 80 is formed by a heat-insulating wall 99 interposed between the vegetable room 5 and the machine room 90, and is disposed at a position lower than the bottom surface of the vegetable room 5. The heat insulation wall 99 indicates, for example, a rear portion (hereinafter referred to as a wall portion 34) of the heat insulation wall constituting the bottom wall 35 of the vegetable room 5, and a wall portion 19 a forming the machine room 90 in the heat insulation box 19. For example, the wall portion 34 is formed integrally with the bottom surface of the vegetable compartment 5 and the bottom surface 34b is integrally formed with the top surface of the freezing compartment 6. A heat insulating material 34c is provided between the upper surface 34a and the lower surface 34b of the wall portion 34, and the lower surface 34b is formed so as to be offset from the upper surface 34a by a certain distance.

接水盤80具有:承接從冷卻器14滴落之水分的接水部81、及讓接水部81所承接的水通過的管形狀的排水路徑82。接水部81,形成於壁部34的上面34a,為朝向排水路徑82的入口83向下方傾斜的形狀,以將水分誘導向排水路徑82。排水路徑82,貫穿隔熱壁99的隔熱材內部,出口84突出於機械室90。排水路徑82,出口84中的內徑小於入口83。排水路徑82,在隔熱壁99的內部的路徑上沒有接縫,從入口83到出口84為一體成型。另外,排水路徑82在入口83處,與接水部81一體成型。例如,接水部81及排水路徑82由作為壁部34的上面34a的外廓形成的情況下,誘導水分從冷卻器室27到機械室90而不通過連接部。 The water receiving pan 80 includes a water receiving portion 81 that receives water dripped from the cooler 14, and a pipe-shaped drainage path 82 that allows water received by the water receiving portion 81 to pass through. The water receiving portion 81 is formed on the upper surface 34 a of the wall portion 34 and has a shape inclined downward toward the inlet 83 of the drainage path 82 to induce water to the drainage path 82. The drainage path 82 penetrates the inside of the heat insulation material of the heat insulation wall 99, and the outlet 84 protrudes from the machine room 90. The inner diameter of the drainage path 82 and the outlet 84 is smaller than the inlet 83. The drainage path 82 has no seam on the path inside the heat insulation wall 99, and is integrally formed from the inlet 83 to the outlet 84. The drainage path 82 is formed integrally with the water receiving portion 81 at the inlet 83. For example, when the water receiving portion 81 and the drain path 82 are formed by the outer surface of the upper surface 34 a as the wall portion 34, moisture is induced from the cooler chamber 27 to the machine chamber 90 without passing through the connection portion.

如圖31A及圖31B所示,入口83為,例如,配置在左右方向中的接水盤80的略中央部,形成為在前後方向上從前方的任意位置到後方的寬度50mm以下的溝形狀。入口83的剖面形狀為例如圓形狀、橢圓形狀或長圓形狀、或者為半橢圓和長方形的組合形狀、或者為半長圓和長方形的組合形狀,後方 側到達接水盤80的水承接面的幾乎最後部。另外,排水路徑82的出口84形成為,例如,內徑20mm以下且剖面形狀為略圓形狀。 As shown in FIGS. 31A and 31B, the inlet 83 is, for example, a groove portion having a width of 50 mm or less from an arbitrary position in the front-rear direction to the rear in a substantially central portion of the water receiving tray 80 disposed in the left-right direction. The cross-sectional shape of the inlet 83 is, for example, a circular shape, an elliptical shape, or an oblong shape, or a combination of a semi-ellipse and a rectangle, or a combination of a semi-ellipse and a rectangle. The rear side reaches almost the last part of the water receiving surface of the water receiving tray 80 . The outlet 84 of the drainage path 82 is formed to have, for example, an inner diameter of 20 mm or less and a substantially circular cross-sectional shape.

如圖30、圖31A及圖31B所示,排水路徑82為,隨著從排水路徑82的入口83朝向下方伸入,在進深方向漸漸變窄的略漏斗形狀。亦即,排水路徑82的入口83側(以下稱之為上流部82a),隨著向下游側伸入,其剖面積變小,且剖面的前方側的位置靠近背面側。排水路徑82的出口84側(以下稱之為下游部82b),具有內徑大致一定的管形狀,形成為突出到機械室90內的長度。上流部82a的剖面,從上述入口83的剖面形狀收束為下游部82b的圓形狀。如圖30所示,上流部82a形成為貫穿壁部34,下游部82b形成為貫穿壁部19a。另外,亦可在排水路徑82的出口設置蓋構造,構成為使得機械室90內的高濕度空氣不會經由排水路徑82而逆流到冰箱1內部。 As shown in FIGS. 30, 31A, and 31B, the drainage path 82 has a slightly funnel shape that gradually narrows in the depth direction as it extends downward from the inlet 83 of the drainage path 82. That is, the inlet 83 side of the drainage path 82 (hereinafter referred to as the upstream portion 82a) has a smaller cross-sectional area as it extends downward, and the position on the front side of the cross section is closer to the rear side. An outlet 84 side of the drainage path 82 (hereinafter referred to as a downstream portion 82 b) has a tube shape having a substantially constant inner diameter, and is formed to have a length protruding into the machine room 90. The cross-section of the upstream portion 82a is converged from the cross-sectional shape of the inlet 83 to the circular shape of the downstream portion 82b. As shown in FIG. 30, the upstream portion 82a is formed to penetrate the wall portion 34, and the downstream portion 82b is formed to penetrate the wall portion 19a. In addition, a cover structure may be provided at an outlet of the drainage path 82 so that high-humidity air in the machine room 90 does not flow back into the refrigerator 1 through the drainage path 82.

在圖31A及圖31B中,顯示了上流部82a的剖面中心Oa及下游部82b的剖面中心Ob,上流部82a的剖面中心Oa,隨著向下游側前進而向冰箱1後方移動,而到達下游部82b的剖面中心Ob。排水路徑82設置為,從入口83到出口84,最後部沿著冰箱1的背面。 In Figs. 31A and 31B, the cross-sectional center Oa of the upstream portion 82a and the cross-sectional center Ob of the downstream portion 82b, and the cross-sectional center Oa of the upstream portion 82a are moved toward the rear side of the refrigerator 1 and reach the downstream side. The section center Ob of the section 82b. The drainage path 82 is provided from the inlet 83 to the outlet 84, and the rear part is along the back of the refrigerator 1.

另外,如圖30所示,在壁部19a內設置了聚氨基甲酸酯發泡材23a和真空隔熱材23b。如上述,排水路徑,在形成於壁部19a內的下游部82b中的剖面積小於上流部82a,而且,排水路徑的最後部設置為沿著冰箱1的背面。因此,真空隔熱材23b,在壁部19a內,可以配設到冰箱1的背面附近為止。 Moreover, as shown in FIG. 30, the polyurethane foam material 23a and the vacuum heat insulation material 23b are provided in the wall part 19a. As described above, the drainage path has a smaller cross-sectional area in the downstream portion 82b formed in the wall portion 19a than the upstream portion 82a, and the last portion of the drainage path is provided along the rear surface of the refrigerator 1. Therefore, the vacuum heat insulating material 23b can be arranged in the wall portion 19a to the vicinity of the rear surface of the refrigerator 1.

另外,如圖30所示,亦可在排水路徑82的上流部82a進一步設置路徑加熱器85。例如,路徑加熱器85由具有矽製被覆的線圈加熱器等構成,設置在壁部34的隔熱材34c內。路徑加熱器85,在除霜時,藉由發熱,將尚未溶解為水就落入排水路徑82的入口83的冰融解,藉此抑制排水路徑82堵塞。 As shown in FIG. 30, a path heater 85 may be further provided in the upstream portion 82 a of the drainage path 82. For example, the path heater 85 is made of a coil heater or the like having a silicon coating, and is provided in the heat insulating material 34 c of the wall portion 34. During the defrosting, the path heater 85 dissolves the ice that has fallen into the inlet 83 of the drainage path 82 without dissolving into water due to heat generation, thereby suppressing the drainage path 82 from being blocked.

另外,形成入口83的面上,設置了由金屬成型的金屬盤89。在圖30中,金屬盤89設置在接水部81、及排水路徑82的上流部82a,將除霜裝置67的輻射熱傳遞到接水盤80面上,並且使得落入接水盤80的冰容易融解。 In addition, a metal disc 89 formed of a metal is provided on a surface forming the inlet 83. In FIG. 30, a metal plate 89 is provided in the water receiving portion 81 and the upstream portion 82a of the drainage path 82, and transmits the radiant heat of the defrosting device 67 to the surface of the water receiving plate 80, and makes the ice falling into the water receiving plate 80 easily melt. .

金屬盤89可以構成為,於左右方向,相對於在上方設置的除霜裝置67的長度,具有同等以上的尺寸,於前後方向,具有接水盤80的前後幅的二分之一以上的尺寸。另外,在接水盤80中被金屬盤89覆蓋之區域外側的區域,亦可用金屬製的膠帶等包覆。 The metal pan 89 may have a size equal to or larger than the length of the defrosting device 67 provided above in the left-right direction, and may have a size of one-half or more of the front-back width of the water receiving pan 80 in the front-rear direction. The area outside the area covered by the metal plate 89 in the water receiving tray 80 may be covered with a metal tape or the like.

金屬盤89,沿著接水部81及上流部82a形成,使其與排水路徑82的入口83的形狀大略一致,促進由設置在隔熱材34c內部的路徑加熱器85之發生熱的傳遞。 The metal plate 89 is formed along the water receiving portion 81 and the upstream portion 82a so as to be substantially the same as the shape of the inlet 83 of the drainage path 82, and promotes heat transfer by the path heater 85 provided inside the heat insulating material 34c.

藉由除霜裝置67而部分被融解,並從冷卻器14滴落到接水盤80的接水部81的融解水,由於接水部81的傾斜而被導向排水路徑82的入口83。被導向入口83的融解水,流入排水路徑82,在通過上流部82a的期間被路徑加熱器85進一步融解,流入內徑小的下游部82b。在排水路徑82沒有設置連接部,所以通過的融解水不會滲透到隔熱壁99,從突出於機械室90內的出口84向機械室90排出。 The melting water partially melted by the defrost device 67 and dripped from the cooler 14 to the water receiving portion 81 of the water receiving tray 80 is guided to the inlet 83 of the drainage path 82 due to the inclination of the water receiving portion 81. The melted water guided to the inlet 83 flows into the drainage path 82 and is further melted by the path heater 85 while passing through the upstream portion 82a, and flows into the downstream portion 82b having a small inner diameter. Since there is no connection portion in the drainage path 82, the passing melting water does not penetrate into the heat insulation wall 99, and is discharged to the machine room 90 from an outlet 84 protruding into the machine room 90.

圖32為顯示本發明的實施形態1的機械室之內部構成的背面圖。在機械室90中,更設置承接從排水路徑82的出口84排出到機械室90的水分的接水盤(排水盤91),在排水盤91內設置了加熱用配管92。加熱用配管92,由例如高溫冷媒流通的冷媒配管所構成。 Fig. 32 is a rear view showing the internal structure of a machine room according to the first embodiment of the present invention. In the machine room 90, a water receiving pan (drain pan 91) for receiving moisture discharged from the outlet 84 of the drainage path 82 to the machine room 90 is further provided, and a heating pipe 92 is provided in the drain pan 91. The heating piping 92 is composed of, for example, a refrigerant pipe through which a high-temperature refrigerant flows.

通過排水路徑82的融解水,從出口84排出到機械室90的排水盤91,並積存在排水盤91內。積存在排水盤91的融解水,藉由加熱用配管92、及將設置在機械室90內的空冷凝縮器9及壓縮機8等冷卻之冷卻風等,而促進其蒸發。藉由此構成,在下一次除霜動作開始之前,使得前一次產生的融解水之蒸發完成。 The melted water passing through the drainage path 82 is discharged from the outlet 84 to the drainage pan 91 of the machine room 90 and is accumulated in the drainage pan 91. The melted water accumulated in the drain pan 91 is promoted to be evaporated by the heating pipe 92 and cooling air cooling the air condenser 9 and the compressor 8 installed in the machine room 90 and the like. With this configuration, before the next defrosting operation starts, the evaporation of the melting water generated in the previous time is completed.

另外,冰箱1的風路還有吹出口及返回口不限定於上述的構成。圖33為顯示從本發明的實施形態1的冰箱的蔬菜室內觀看之背面壁的另一構成例的正面圖。如圖33所示,亦可為來自冷藏室2的回流冷氣流入蔬菜室5的構成。在此情況下,例如,來自冷藏室2的回流冷氣向蔬菜室5吹出的吹出口(亦即冷藏返回口75),形成於蔬菜室5的背面壁31的內壁中的右側上部,來自蔬菜室5的返回口45,形成於蔬菜室5的背面下部的略中央部。而且,冷藏室2的返回風路和蔬菜室返回風路構成為,在蔬菜室5的背面下側合流,從分隔為左右的冷凍室6的返回風路30e之間回到冷卻器室27。例如,配設在蔬菜室5的背面壁31內的冷藏室2的返回風路76,和蔬菜室5內之間係由沒有隔熱機能之藉由射出成型而成型的內壁面隔開。因此,為了調整蔬菜室5內的溫度,在將冷藏室2的返回風路76和蔬菜室5內隔開的 內壁面上設置複數孔77亦可。另外,亦可設置使複數孔77自由開閉的滑塊78。滑塊78在箭頭所示的上下方向滑動時,閉塞的孔77的數量就得以調整,因此,使用者藉由使得滑塊78移動,能夠任意調整蔬菜室5內的溫度。在此構成中,因為能夠進行蔬菜室5內的溫度調整,所以在風路中亦可不設置用以調整對蔬菜室5內的冷氣供給量的前述風量調整裝置18c。 The air path of the refrigerator 1 and the air outlet and the return port are not limited to the above-mentioned configuration. 33 is a front view showing another configuration example of the rear wall viewed from the vegetable room of the refrigerator according to the first embodiment of the present invention. As shown in FIG. 33, a configuration may be adopted in which the returning cold airflow from the refrigerator compartment 2 flows into the vegetable compartment 5. In this case, for example, a blow-out port (that is, a refrigerating return port 75) for returning cold air from the refrigerating compartment 2 to the vegetable compartment 5 is formed on the upper right side of the inner wall of the back wall 31 of the vegetable compartment 5 and comes from vegetables. The return opening 45 of the chamber 5 is formed at a substantially central portion of the lower portion of the rear surface of the vegetable chamber 5. The return air path of the refrigerator compartment 2 and the return air path of the vegetable compartment are configured to converge on the lower side of the back surface of the vegetable compartment 5 and return to the cooler room 27 from between the return air paths 30e of the freezer compartment 6 partitioned to the left and right. For example, the return air path 76 of the refrigerator compartment 2 arranged in the back wall 31 of the vegetable compartment 5 and the inside of the vegetable compartment 5 are separated by an inner wall surface formed by injection molding without heat insulation function. Therefore, in order to adjust the temperature in the vegetable compartment 5, a plurality of holes 77 may be provided on an inner wall surface that separates the return air path 76 of the refrigerating compartment 2 from the inside of the vegetable compartment 5. A slider 78 may be provided to open and close the plurality of holes 77 freely. When the slider 78 slides in the vertical direction indicated by the arrow, the number of the closed holes 77 is adjusted. Therefore, the user can arbitrarily adjust the temperature in the vegetable compartment 5 by moving the slider 78. In this configuration, since the temperature in the vegetable compartment 5 can be adjusted, the air volume adjustment device 18c for adjusting the amount of cold air supplied to the vegetable compartment 5 may not be provided in the air passage.

如上述,在實施形態1中,冰箱1包括:隔熱箱體19,具有內箱22及外箱21、還有設置在內箱22和外箱21之間的空間的隔熱材23;機械室90,由隔熱箱體19的背面下部向內側凹陷所形成,配置壓縮機8;冷卻器室27,形成於機械室90的上方的隔熱箱體19內,配置產生冷氣的冷卻器14;接水部81,設置在冷卻器室27中的冷卻器14的下方,承接來自冷卻器14的水;排水路徑82,在接水部81設置入口83,貫穿介於冷卻器室27和機械室90之間的隔熱壁99,以將冷卻器室27和機械室90連通,出口84突出於機械室90;排水路徑82的入口83側的形狀為,越往下游側,剖面積越小,且、剖面的中心位置(剖面中心Oa)越靠近背面側,排水路徑82,從入口83到出口84為一體構成。 As described above, in Embodiment 1, the refrigerator 1 includes a heat-insulating box 19, an inner box 22 and an outer box 21, and a heat-insulating material 23 provided in a space between the inner box 22 and the outer box 21; The chamber 90 is formed by recessing the lower part of the rear surface of the heat-insulating box 19 inward, and arranges the compressor 8; the cooler chamber 27 is formed in the heat-insulating box 19 above the machine room 90, and the cooler 14 generating cold air is arranged Water receiving section 81 is provided below the cooler 14 in the cooler chamber 27 to receive water from the cooler 14; drainage path 82 is provided with an inlet 83 in the water receiving section 81 and penetrates between the cooler chamber 27 and the machine The heat insulation wall 99 between the chambers 90 communicates with the cooler chamber 27 and the machine chamber 90, and the outlet 84 protrudes from the machine chamber 90. The shape of the inlet 83 side of the drainage path 82 is such that the cross-sectional area decreases toward the downstream side. Moreover, as the center position of the section (section center Oa) is closer to the back side, the drainage path 82 is integrally formed from the inlet 83 to the outlet 84.

藉此,排水路徑82具有從入口83向出口84之內徑縮小,同時剖面中心Oa向冰箱1的背面側靠近的形狀,因此,冷卻器室27和機械室90之間的隔熱壁99能夠配設真空隔熱材(例如真空隔熱材23b)。因此,冰箱1能夠確保其隔熱性能。另外,排水路徑82,不同於像過去那樣在隔熱材內具有連接部的構成,從入口83到出口84為一體成型,所以,抑制了水份從排水路徑82向隔熱壁99內部滲透。因此,冰箱1能夠減少因為排 水路徑82的閉塞而造成庫內漏水等的發生。 Accordingly, the drainage path 82 has a shape in which the inner diameter decreases from the inlet 83 to the outlet 84 and the cross-sectional center Oa approaches the rear side of the refrigerator 1. Therefore, the heat insulation wall 99 between the cooler chamber 27 and the machine room 90 can be formed. A vacuum heat insulating material (for example, a vacuum heat insulating material 23b) is provided. Therefore, the refrigerator 1 can ensure its heat insulation performance. In addition, the drainage path 82 is different from the structure having a connection portion in the heat-insulating material as in the past, and is integrally formed from the inlet 83 to the outlet 84. Therefore, the water leakage from the drainage path 82 into the heat-insulating wall 99 is suppressed. Therefore, the refrigerator 1 can reduce the occurrence of water leakage and the like in the refrigerator due to the blockage of the drain path 82.

另外,排水路徑82,在平面視中,在背面側或背面側的一部份具有於垂直方向延伸的壁面。亦即,例如,排水路徑82設置為,在平面視中最靠近冰箱1背面的部位,在冰箱1的上下方向沿著冰箱1背面。藉此,在介於冷卻器室27和機械室90之間的隔熱壁99中,能夠使得配設真空隔熱材(例如真空隔熱材23b)的範圍向冰箱1的背面側擴張。因此,冰箱1,在特別需要隔熱的位置上,能夠加大真空隔熱材23b的被覆面積。其結果為,降低機械室90頂面的結露,並改善節能性。 In addition, the drainage path 82 has a wall surface extending in a vertical direction on a rear surface side or a part of the rear surface side in a plan view. That is, for example, the drainage path 82 is provided in a portion closest to the back surface of the refrigerator 1 in plan view, and along the back surface of the refrigerator 1 in the vertical direction of the refrigerator 1. Thereby, in the heat insulation wall 99 interposed between the cooler chamber 27 and the machine room 90, the range in which the vacuum heat insulating material (for example, the vacuum heat insulating material 23b) is arrange | positioned can be expanded toward the back side of the refrigerator 1. Therefore, the refrigerator 1 can increase the covered area of the vacuum heat insulating material 23b at a position where heat insulation is particularly required. As a result, dew condensation on the top surface of the machine room 90 is reduced, and energy saving performance is improved.

另外,排水路徑82與接水部81一體構成。藉此,在從冷卻器14滴落的融解水通過的路徑上沒有設置連接部,因此,能夠更確實地將融解水從冷卻器14排水到機械室90。 The drainage path 82 is formed integrally with the water receiving portion 81. Thereby, since the connection part is not provided in the path | route which the melting water dripped from the cooler 14 passes, it is possible to more reliably drain the melting water from the cooler 14 to the machine room 90.

另外,排水路徑82的入口83的剖面形狀為橢圓形狀或長圓形狀。藉此,排水路徑容易與接水盤80一體成型。但是,過去,設置在接水盤的水承接面的排水路徑入口係為略圓形形狀。要維持著此種形狀而確保排水路徑有突出至機械室的長度的情況下,由於排水路徑為細長形狀的關係,在製品製作及成型程序中,為了確保脫模性而將排水路徑出口的內徑做得很小。因此,在過去的排水路徑中,排水性低,而且因為異物而導致閉塞等的可能性高。另一方面,上述排水路徑82,入口83構成為如上述的形狀,因此,容易將接水部81和排水路徑82一體成型。因此,冰箱1能夠獲致品質穩定的排水路徑82。 The cross-sectional shape of the inlet 83 of the drainage path 82 is an elliptical shape or an oblong shape. Thereby, the drainage path can be easily integrally formed with the water receiving tray 80. However, in the past, the inlet of the drainage path provided on the water receiving surface of the water receiving pan has a substantially circular shape. In order to maintain this shape and ensure that the drainage path protrudes to the length of the machine room, the drainage path has a long and narrow shape. In the product manufacturing and molding process, the inside of the drainage path exit is ensured in order to ensure mold release. The trail is small. Therefore, in the conventional drainage path, the drainage performance was low, and the possibility of occlusion or the like due to foreign matter was high. On the other hand, since the drainage path 82 and the inlet 83 are configured as described above, it is easy to integrally mold the water receiving portion 81 and the drainage path 82. Therefore, the refrigerator 1 can obtain the drainage path 82 with stable quality.

另外,冰箱1更包括將冷卻器14的霜藉由加熱器或高溫冷媒融解的除霜裝置67。藉此,除霜裝置67,將附著在冷 卻器14的霜融解以將之從冷卻器14去除,能夠維持冷卻器14的性能。 In addition, the refrigerator 1 further includes a defrosting device 67 that melts the frost of the cooler 14 by a heater or a high-temperature refrigerant. Thereby, the defrosting device 67 can melt the frost attached to the cooler 14 to remove it from the cooler 14, and the performance of the cooler 14 can be maintained.

另外,冰箱1更包括設置在機械室90中出口84的下方的排水盤91,排水盤91,其內部配置加熱用配管92。藉此,能夠使得排出到機械室90的水分在排水盤91內蒸發,能夠保護設置在機械室90的機器等。 The refrigerator 1 further includes a drain pan 91 and a drain pan 91 provided below the outlet 84 in the machine room 90, and a heating pipe 92 is disposed inside the drain pan 91. Thereby, the water discharged into the machine room 90 can be evaporated in the drain pan 91, and the equipment etc. installed in the machine room 90 can be protected.

另外,冰箱1更包括形成在隔熱箱體19內的第1貯藏室(例如蔬菜室5),接水部81及排水路徑82,第1貯藏室(蔬菜室5)的底面向冷卻器室27延伸而形成,配置為較底面還低的位置。藉此,冰箱1,減少為了單獨構成接水盤80的零件,同時能夠獲致在融解水通過的路徑上不設置連接部的接水盤80。 In addition, the refrigerator 1 further includes a first storage compartment (for example, a vegetable compartment 5) formed in the heat-insulating box 19, a water receiving portion 81 and a drainage path 82, and the bottom of the first storage compartment (vegetable compartment 5) faces the cooler compartment. 27 is formed by extending, and is arranged at a position lower than the bottom surface. Thereby, the refrigerator 1 can reduce the number of parts which constitute the water receiving tray 80 separately, and can obtain the water receiving tray 80 which does not provide a connection part in the path | route which melted water passes.

另外,冰箱1更包括第2貯藏室(例如冷凍室6),其位於第1貯藏室(例如蔬菜室5)的下方且形成於機械室90的前方,設定為較第1貯藏室(蔬菜室5)低溫,隔熱壁99為形成第1貯藏室(蔬菜室)的底壁35、及隔熱箱體19的機械室的壁部19a。藉此,冰箱1,在設置於低溫的第2貯藏室(冷凍室6)和形成於隔熱箱體19的外側的機械室90之間,也能夠確保隔熱性,能夠提高節能性。尤其是,排水路徑的下游部82b,其內徑小於上流部82a,且位於背面側,因此,冰箱1,藉由擴張壁部19a內的真空隔熱材23b,能夠提高機械室90、第2貯藏室(冷凍室6)及冷卻器室27之間的隔熱。 In addition, the refrigerator 1 further includes a second storage compartment (for example, the freezing compartment 6), which is located below the first storage compartment (for example, the vegetable compartment 5) and is formed in front of the mechanical compartment 90, and is set to be more than the first storage compartment (vegetable compartment 5) At low temperature, the heat insulation wall 99 is a wall portion 19 a forming a bottom wall 35 of the first storage room (vegetable room) and a machine room of the heat insulation box 19. With this, the refrigerator 1 can also ensure heat insulation between the second low-temperature storage room (freezer compartment 6) and the machine room 90 formed on the outside of the heat insulation box 19, and can improve energy saving. In particular, the downstream portion 82b of the drainage path has an inner diameter smaller than that of the upstream portion 82a and is located on the back side. Therefore, the refrigerator 1 can increase the machine room 90, the second through the expansion of the vacuum insulation material 23b in the wall portion 19a. Thermal insulation between the storage room (freezing room 6) and the cooler room 27.

實施形態2 Embodiment 2

在實施形態1中,排水路徑設置為,從入口到出口,最後部沿著冰箱的背面。在實施形態2中,針對排水路徑在出口側 傾斜的構成進行說明。以下,僅說明與實施形態1相異之處,其他構成則具有相同構成。 In the first embodiment, the drainage path is provided so that the rearmost part follows the back of the refrigerator from the inlet to the outlet. In the second embodiment, a configuration in which the drainage path is inclined on the outlet side will be described. In the following, only differences from the first embodiment will be described, and other configurations have the same configuration.

圖34為顯示本發明的實施形態2的冷卻器室之一部分和機械室的構成的部分側面剖面圖。排水路徑182的入口183為例如圓形狀、橢圓形狀或長圓形狀、或者、半橢圓和長方形的組合形狀、或半長圓和長方形的組合形狀,後方側到達水承接面的幾乎最後部。另外,出口184形成為例如剖面形狀為略圓形狀。如圖34所示,排水路徑182的入口183側(以下稱之為上流部182a),隨著向下游側伸入,其剖面積變小、且剖面的前方側的位置靠近背面側。另外,排水路徑182的出口184側(以下稱之為下游部182b),具有內徑大致一定的管形狀,形成為突出到機械室90內的長度。而且,排水路徑182,從入口183到出口184為一體構成,上流部182a的剖面形成為,從上述入口183的剖面形狀收束為下游部182b的圓形狀。 FIG. 34 is a partial side cross-sectional view showing a configuration of a part of a cooler room and a machine room according to Embodiment 2 of the present invention. The inlet 183 of the drainage path 182 is, for example, a circular shape, an elliptical shape, or an oblong shape, or a combination of a semi-ellipse and a rectangle, or a combination of a semi-ellipse and a rectangle, and the rear side reaches almost the last part of the water receiving surface. In addition, the outlet 184 is formed into a substantially circular shape in cross section, for example. As shown in FIG. 34, the inlet 183 side of the drainage path 182 (hereinafter referred to as the upstream portion 182a) has a smaller cross-sectional area as it is projected downstream, and the front side of the cross section is closer to the rear side. In addition, an outlet 184 side of the drainage path 182 (hereinafter referred to as a downstream portion 182b) has a tube shape having a substantially constant inner diameter, and is formed to have a length protruding into the machine room 90. The drainage path 182 is integrally formed from the inlet 183 to the outlet 184, and the cross-section of the upstream portion 182a is formed so as to converge from the cross-sectional shape of the inlet 183 to the circular shape of the downstream portion 182b.

實施形態2中,排水路徑182的下游部182b形成為,從沿著冰箱1背面的方向(例如鉛直朝下方向),向背面側傾斜。亦即,下游部182b越靠近出口184之處,越靠冰箱1的後方側。下游部182b形成的角度設定為,不損及排水路徑182的成形性及融解水的排出性、且不讓異物滯留的角度。例如,出口184的傾斜角可以構成為,相對於冰箱1的進深水平方向7°以上的俯角(角度θ),其係為水滴靠本身重量落下的角度。另外,例如,俯角(角度θ)的上限可以設定為未滿90°,以免妨礙來自排水路徑182的上流部182a的融解的流動。 In the second embodiment, the downstream portion 182b of the drainage path 182 is formed to be inclined toward the rear side from a direction along the rear surface of the refrigerator 1 (for example, a vertical downward direction). That is, the closer the downstream portion 182b is to the outlet 184, the closer it is to the rear side of the refrigerator 1. The angle formed by the downstream portion 182b is set to an angle that does not impair the formability of the drainage path 182 and the dischargeability of the molten water and does not allow foreign matter to stay. For example, the inclination angle of the outlet 184 may be a depression angle (angle θ) of 7 ° or more with respect to the depth of the refrigerator 1 in a horizontal direction, which is an angle at which a water drop falls by its own weight. In addition, for example, the upper limit of the depression angle (angle θ) may be set to less than 90 ° so as not to hinder the flow of melting from the upstream portion 182 a of the drainage path 182.

如上述,在實施形態2中也和實施形態1的情況一 樣,排水路徑182形成為,從入口183朝向出口184的內徑縮小,同時中心位置靠近冰箱1的背面側,另外,從入口183到出口184為一體構成。因此,和實施形態1的情況一樣,冰箱1能夠確保隔熱壁99的隔熱性能,並且能夠避免排水路徑182的閉塞,能夠抑制庫內漏水等的發生。 As described above, in the second embodiment, as in the case of the first embodiment, the drain path 182 is formed so that the inner diameter of the drain path 182 decreases from the inlet 183 toward the outlet 184, and the center position is close to the rear side of the refrigerator 1. The outlet 184 is integrally formed. Therefore, as in the case of the first embodiment, the refrigerator 1 can ensure the heat insulation performance of the heat insulation wall 99, can prevent the drainage path 182 from being blocked, and can suppress the occurrence of water leakage and the like in the refrigerator.

另外,排水路徑182的出口184的傾斜角為,相對於進深水平方向的俯角(角度θ)為7°以上。藉此,排水路徑182的出口184形成為朝向冰箱1的背面側,因此,能夠確保在隔熱壁99內能夠配設真空隔熱材的區域較廣,冰箱1,使得真空隔熱材的被覆面積加大,而能夠強化隔熱性能。 The inclination angle of the outlet 184 of the drainage path 182 is such that the depression angle (angle θ) with respect to the depth in the horizontal direction is 7 ° or more. Thereby, the outlet 184 of the drainage path 182 is formed to face the rear side of the refrigerator 1. Therefore, it is possible to ensure a wide area where the vacuum heat insulating material can be arranged in the heat insulating wall 99. The refrigerator 1 covers the vacuum heat insulating material. The area is increased, and the heat insulation performance can be enhanced.

另外,本發明的實施形態不限定於上述實施形態,而能夠進行各種的變更。例如,實施形態1中,使用藉由通電而發熱的加熱器作為除霜裝置67,但也可以不用加熱器,而採用藉由高溫冷媒使霜融解的構成。 The embodiment of the present invention is not limited to the above-mentioned embodiment, and various changes can be made. For example, in the first embodiment, a heater that generates heat by being energized is used as the defrosting device 67, but a configuration in which frost is melted by a high-temperature refrigerant may be used instead of a heater.

Claims (8)

一種冰箱,其包括:隔熱箱體,具有內箱及外箱,還有設置於上述內箱和上述外箱之間的空間之隔熱材;機械室,由上述隔熱箱體的背面下部向內側凹陷所形成,配置壓縮機;冷卻器室,形成在上述機械室上方的上述隔熱箱體內,配置產生冷氣的冷卻器;接水部,設置在上述冷卻器室中的上述冷卻器之下方,承接來自上述冷卻器的水;排水路徑,在上述接水部設置入口,貫穿介於上述冷卻器室和上述機械室之間的隔熱壁,以將上述冷卻器室和上述機械室連通,出口突出於上述機械室;路徑加熱器,設置於上述排水路徑的上述入口側;上述排水路徑的上述入口的剖面形狀為橢圓形狀或長圓形狀;上述排水路徑的上述入口側的形狀為,越往下游側其剖面積越小,且剖面的中心位置越靠近背面側;上述排水路徑,從上述入口到上述出口係為一體構成。     A refrigerator includes: a heat-insulating box having an inner box and an outer box, and a heat-insulating material provided in a space between the inner box and the outer box; and a machine room formed by a lower portion of the back of the heat-insulating box. A compressor is formed by being recessed inward; a cooler chamber is formed in the heat-insulating box above the machinery chamber, and a cooler that generates cold air is arranged; a water receiving part is provided in one of the coolers in the cooler chamber. Underneath, it receives water from the cooler; a drainage path, an inlet is provided in the water receiving part, and a heat insulation wall interposed between the cooler room and the machine room is passed to communicate the cooler room and the machine room The outlet protrudes from the machine room; the path heater is provided on the inlet side of the drainage path; the cross-sectional shape of the inlet of the drainage path is oval or oval; the shape of the inlet side of the drainage path is The downstream area has a smaller cross-sectional area, and the center position of the cross-section is closer to the rear side; the drainage path is integrally formed from the inlet to the outlet.     如申請專利範圍第1項所記載的冰箱,上述排水路徑,於平面視時,在背面側或背面側的一部份具有向垂直方向延伸的壁面。     In the refrigerator described in the first patent application range, the drainage path has a wall surface extending in a vertical direction on a back side or a part of the back side in a plan view.     如申請專利範圍第1項所記載的冰箱,上述排水路徑的上述出口的傾斜角,其相對於進深水平方向的俯角為7°以上。     According to the refrigerator described in the first item of the patent application range, the inclination angle of the outlet of the drainage path is 7 ° or more with respect to the depth in the horizontal direction.     如申請專利範圍第1到3項中任一項所記載的冰箱,上述排水路徑與上述接水部一體構成。     According to the refrigerator described in any one of claims 1 to 3, the drainage path is formed integrally with the water receiving portion.     如申請專利範圍第1到3項中任一項所記載的冰箱,更包括除霜裝置,藉由加熱器或高溫冷媒,使上述冷卻器的霜融解。     The refrigerator described in any one of claims 1 to 3 of the patent application scope further includes a defrost device, and the frost of the cooler is melted by a heater or a high-temperature refrigerant.     如申請專利範圍第1到3項中任一項所記載的冰箱,更包括在上述機械室中設置在上述出口之下方的接水盤,上述接水盤,在內部配置加熱用配管。     The refrigerator according to any one of claims 1 to 3, further includes a water receiving tray provided below the outlet in the machine room, and the water receiving tray is provided with a heating pipe inside.     如申請專利範圍第1到3項中任一項所記載的冰箱,更包括形成於上述隔熱箱體內的第1貯藏室;上述接水部及上述排水路徑,上述第1貯藏室的底面向上述冷卻器室延伸而形成,配置為較上述底面低的位置。     The refrigerator according to any one of claims 1 to 3, further comprising a first storage compartment formed in the heat-insulating box; the water receiving portion and the drainage path, and a bottom surface of the first storage compartment. The cooler chamber is formed by being extended, and is arranged at a position lower than the bottom surface.     如申請專利範圍第7項所記載的冰箱,更包括第2貯藏室,位於上述第1貯藏室的下方,且形成於上述機械室的前方,設定為較上述第1貯藏室低溫;上述隔熱壁為,形成上述第1貯藏室的底壁、及上述隔熱箱體的上述機械室的壁部。     The refrigerator described in item 7 of the scope of patent application, further includes a second storage room, which is located below the first storage room and is formed in front of the mechanical room, and is set to be cooler than the first storage room; the heat insulation The wall is a bottom wall of the first storage room and a wall portion of the machine room of the heat insulation box.    
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