WO2015027885A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2015027885A1
WO2015027885A1 PCT/CN2014/085124 CN2014085124W WO2015027885A1 WO 2015027885 A1 WO2015027885 A1 WO 2015027885A1 CN 2014085124 W CN2014085124 W CN 2014085124W WO 2015027885 A1 WO2015027885 A1 WO 2015027885A1
Authority
WO
WIPO (PCT)
Prior art keywords
compartment
blower
air
refrigerator
refrigerating
Prior art date
Application number
PCT/CN2014/085124
Other languages
English (en)
Chinese (zh)
Inventor
青木均史
大汤英树
町田典正
馆野恭也
山口龙彦
Original Assignee
海尔亚洲国际株式会社
青岛海尔股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海尔亚洲国际株式会社, 青岛海尔股份有限公司 filed Critical 海尔亚洲国际株式会社
Publication of WO2015027885A1 publication Critical patent/WO2015027885A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • F25D17/045—Air flow control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F25D2317/0671—Inlet ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

Definitions

  • a refrigerator in which a damper (refrigerator damper) is provided in a supply air passage (refrigeration chamber supply air passage) for sending cold air sent from the blower to a refrigerating compartment, and the plenum can be controlled by the refrigerating compartment damper
  • the amount of cold air to the refrigerator compartment for example, Patent Document 1.
  • the refrigerator includes a refrigerating compartment temperature sensor and a freezing compartment temperature sensor that respectively detect a temperature of the refrigerating compartment and the freezing compartment
  • the control apparatus may control the second blower according to a refrigerating compartment temperature detected by the refrigerating compartment temperature sensor.
  • the rotational speed of the first blower may also be controlled according to the temperature of the freezer compartment detected by the freezer compartment temperature sensor. Thereby, an appropriate amount of cold air can be supplied to the refrigerating compartment and the freezing compartment, respectively.
  • FIG. 1 is a front outward view of a refrigerator in accordance with one embodiment of the present invention.
  • 2 is a side cross-sectional view showing a schematic structure of a refrigerator in accordance with one embodiment of the present invention.
  • Fig. 3 is a front schematic view for explaining a supply air passage of a refrigerator in accordance with one embodiment of the present invention.
  • the front side of the heat insulating box 2 is opened, and the heat insulating doors 8 to 12 which are openable and closable are provided in the opening portions corresponding to the respective storage chambers 3 to 7.
  • the heat insulating doors 8a, 8b are separated on the front side of the refrigerating chamber 3, and cover the front side of the refrigerating chamber 3, and the left upper and lower portions of the heat insulating door 8a and the right upper and lower portions of the heat insulating door 8b are rotatably supported by the heat insulating box On body 2.
  • the heat insulating doors 9 to 12 are integrally combined with the corresponding storage containers, and are supported by the heat insulating box 2 so as to be pulled out in front of the refrigerator 1.
  • Fig. 2 is a side cross-sectional view showing a schematic structure of the refrigerator 1.
  • the heat insulating box 2 as the main body of the refrigerator 1 includes a steel plate outer casing 2a having an opening on the front side, and a synthetic resin inner casing 2b provided in the inner space of the outer casing 2a and having an opening on the front side. And a foamed polyurethane heat insulating material 2c formed by filling and foaming in a gap between the outer casing 2a and the inner liner 2b.
  • each of the heat insulating doors 8 to 12 may have the same heat insulating structure as that of the heat insulating box 2.
  • the angle (opening) of the flap 53 By appropriately adjusting the angle (opening) of the flap 53, it is possible to position and cool a specific portion. Further, by swinging the flap 53, the air in the refrigerating compartment 3 can be effectively agitated, so that the temperature can be made uniform and the cooling efficiency can be improved.
  • a freezer compartment supply air passage 18 is formed on the rear side of the freezing compartments 4 to 6, and the cold airflow for cooling the cooler 32 is directed to the freezing compartments 4 to 6.
  • the freezer compartment supply air passage 18 is formed with a cooling chamber 13 on the rear side, and a cooler 32 (evaporator) for cooling the circulating air in the refrigerator is disposed inside.
  • the cooler 32 is connected to a compressor 31, a radiator (not shown), and an expansion valve (capillary tube) (not shown) via a refrigerant pipe to constitute a vapor compression refrigeration cycle. Further, isobutyl hydrazine (R600a) is used as the refrigerant of the refrigeration cycle in the refrigerator 1 according to the present embodiment.
  • the refrigerator 1 includes a control device (not shown) that performs predetermined algorithm processing based on input values of the respective sensors to control the compressor 31, the first blower 35, the second blower 50, the shutter device 40, and the refrigerator.
  • a control device (not shown) that performs predetermined algorithm processing based on input values of the respective sensors to control the compressor 31, the first blower 35, the second blower 50, the shutter device 40, and the refrigerator.
  • Each of the components such as the damper 51.
  • FIG. 3 is a front schematic view showing a schematic configuration of a supply air passage of the refrigerator 1.
  • the refrigerating compartment supply air passage 17 conveys cold air to the uppermost portion in the central portion of the refrigerating compartment 3, and then the cold air is lowered from both sides, and is supplied to the cold chamber 3. Thereby, the cold air can be efficiently supplied to the cold The entire interior of the chamber 3.
  • the vegetable compartment supply air passage 19 is provided with a vegetable compartment damper 52 for controlling the flow of cold air supplied to the vegetable compartment 7.
  • a vegetable compartment damper 52 for controlling the flow of cold air supplied to the vegetable compartment 7.
  • the vegetable compartment supply air passage 19 may be configured to be branched from the side or the lower side of the freezer supply air passage 18. Thereby, the vegetable compartment supply air passage 19 can be shortened, and the loss of the force can be reduced.
  • the vegetable compartment supply air passage 19 can be communicated with the return air passage 20 for returning the cold air from the refrigerating compartment 3.
  • the vegetable compartment supply air passage 19 can be configured to be branched from the return air passage 20, whereby the cost can be reduced by omitting the vegetable compartment damper 52.
  • the vegetable compartment 7 is formed with a return port 27, and the air in the vegetable compartment 7 flows from the return port 27 through the vegetable compartment back to the air passage 21 (see Fig. 2) and the return port 16 (see Fig. 2) to the lower portion of the cooling chamber 13.
  • Fig. 4 is a side cross-sectional view showing the structure in the vicinity of the cooling chamber 13 of the refrigerator 1.
  • the cooling chamber 13 is disposed inside the heat insulating box 2 on the rear side of the freezer compartment supply air passage 18.
  • the cooling chamber 13 is partitioned from the freezer compartment supply air passage 18 or the freezing compartments 4 to 6 by a synthetic resin separator 55. That is, the cooling chamber 13 is a space formed by sandwiching the inner liner 2b and the separator 55.
  • a second air supply port 15 is formed on the top surface of the cooling chamber 13, which is an opening to the refrigerating chamber 3. As described above, the second air supply port 15 is connected to the refrigerating compartment supply air path 17.
  • the refrigerating compartment supply air passage 17 is formed further rearward than the prior art. s position. Thereby, the storage space in the lower portion of the refrigerator compartment 3 can be enlarged.
  • the freezer compartment supply air passage 18 formed in front of the cooling chamber 13 is a space formed between the partition body 55 and a front cover 56 made of synthetic resin (mounted in front of the partition body 55), which is cooled by the cooler 32.
  • the front cover 56 is formed with an air outlet 23 which is an opening for blowing cold air into the freezing chambers 4 to 6.
  • a return port 26 for returning air from the freezing compartments 4 to 6 to the cooling chamber 13 is formed on the lower rear surface of the lower freezing compartment 6. Further, below the cooling chamber 13, a return port 16 connected to the return port 26 and sucking the return cold air from the storage chamber into the inside of the cooling chamber 13 is formed.
  • a defrosting heater 33 which serves as a defrosting device for melting and removing the frost attached to the cooler 32.
  • the defrosting heater 33 is a resistance heating heater.
  • other defrosting means such as power-off defrosting or hot air defrosting without using an electric heater can be employed.
  • the partition 55 at the upper portion of the cooling chamber 13 is formed with a first air supply port 14 as an opening connected to the freezing chambers 4 to 6.
  • the first air supply port 14 is an opening for supplying the air passage 18 to the cooling chamber 13 and the freezing chamber.
  • the first air supply port 14 is provided with a first air blower 35 that supplies cold air to the freezing rooms 4 to 6 and the like.
  • the first blower 35 is an axial flow blower including a rotary screw fan 37 and a fan case 36, and the fan case 36 is formed with a wind tunnel 36a having a substantially cylindrical opening.
  • the first air supply port 14 to which the fan case 36 is attached to the cooling chamber 13 is a member provided on the boundary between the suction side and the air outlet side of the first blower 35.
  • the outside of the first air supply port 14 of the cooling chamber 13, i.e., the air outlet side of the first blower 35, is provided with a shielding device 40, and the shielding device 40 includes a blower cover 41 for closing the first air supply port 14.
  • the shutter 40 is mounted such that its support base 42 is in close contact with the casing 36 of the first blower 35.
  • the surface of the blower cover 41 facing the cooling chamber 13, that is, the one facing the first blower 35 A surface is formed into a concave surface (41b). Further, a peripheral portion of the concave portion 41b is formed with an abutting portion 41a that abuts against the support base 42. Thereby, although the fan 37 protrudes toward the air outlet side more than the fan case 36, the blower cover 41 does not come into contact with the fan 37, but abuts against the support base 42 on the outer side of the wind tunnel 36a, thereby blocking the first air supply port 14 .
  • FIGS. 5(A) and (B) are perspective views showing the structure of a first blower 35 and a shutter 40 of the refrigerator 1 according to an embodiment of the present invention, wherein (A) the blower cover 41 is in a closed state, and (B) a blower cover 41 is open. Further, in Figs. 5(A) and (B), the opening and closing mechanism of the blower cover 41 is omitted.
  • the first blower 35 includes a fan motor 38 for rotationally driving the fan 37.
  • the fan motor 38 is fixed to the fan case 36 via a support frame 39, and the rotary shaft of the fan motor 38 is mounted on the fan 37.
  • the air outlet side end faces of the fan case 36 are fixed together in close contact with the support base 42 of the shutter unit 40.
  • the support base 42 is a substantially flat member having a cold air flowable opening at a substantially central portion.
  • the main surface 42a of the support base 42 facing the freezing compartments 4 to 6 (see FIG. 4) is provided with a guide post 46, and the blower cover 41 is reciprocally supported on the guide post 46 in the rotation axis direction (Z direction) of the fan 37. on. That is, the guide post 46 extending in the direction of the rotation axis (Z direction) of the fan 37 is slidably inserted into the support hole 41b formed in the blower cover 41. Thereby, the blower cover 41 can approach the first blower 35 as shown in Fig. 5(A); or can be separated from the first blower 35 as shown in Fig. 5(B).
  • the blower cover 41 if the blower cover 41 approaches the first blower 35, the abutting portion 41a at the periphery of the blower cover 41 abuts against the main surface 42a of the support base 42, thereby closing the air flow of the first blower 35. road. That is, the first air supply port 14 (see Fig. 4) of the cooling chamber 13 (see Fig. 4) is closed by the blower cover 41 so that the air flow path is closed. Further, instead of the configuration in which the blower cover 41 abuts against the main surface 42a of the support base 42, the blower cover 41 can be used to abut against the outer peripheral surface of the support base 42 or the wind-side end surface or the outer peripheral surface of the fan case 36.
  • blower cover 41 can be opened and closed by a motor, a solenoid, or the like.
  • the structure in which the member corresponding to the support base 42 of the shielding device 40 is fixed to the front cover 56 can be used to achieve the abutment of the blower cover 41 and the fan case 36.
  • the symbol V is the wind speed vector distribution on the main surface 42a (see Fig. 5) of the support base 42. Further, in the case where the support base 42 is not attached to the fan case 36 (see Fig. 5), the symbol V corresponds to the wind speed vector distribution on the wind-side end face of the fan case 36. Further, the symbol VI indicates the wind speed vector distribution on the surface S1 on the suction side (right side of the paper), and the symbol V2 indicates the wind speed vector distribution on the surface S2 on the air outlet side (left side of the paper surface).
  • the wind speed vectors V, VI, and V2 are expressed as follows:
  • the direction of the arrow is the direction of each airflow, and the length of the arrow is proportional to the speed of each airflow.
  • the horizontal line M drawn above and below the fan 37 is used for convenience calculation, and is not intended to illustrate the analysis result, and the horizontal line can be ignored.
  • the wind speed vector V on the air outlet side of the first blower 35 is substantially oriented in the vertical direction of the drawing. Further, the wind speed vector V2 on the surface S2 on the air outlet side becomes very short.
  • BP it can be seen that, under the condition that the force difference is 12 Pa, the speed of the air flow blown by the first blower 35 in the direction of the rotational axis Z of the fan 37 becomes very small, and the speed in the direction of the rotational radius R becomes large. .
  • the first blower 35 The blown air does not flow to the front of the first blower 35 (i.e., in the Z direction) but flows in the direction of the radius of rotation R.
  • the air flow on the air outlet side of the first blower 35 forms a swirl flow centering on the rotating shaft of the fan 37.
  • the characteristics of the axial flow fan as the first blower 35 have been described above.
  • the air outlet side and the suction side of the first blower 35 The difference in force is about 10 ⁇ 12Pa. That is, as shown in Fig. 6(A), the cold air blown by the first blower 35 is expanded toward the radius R of the radius of the fan 37 of the first blower 35.
  • the blower cover 41 moves in a manner of leaving the cooling chamber 13 during the cooling operation, and an opening for the flow of the cold air is formed between the blower cover 41 and the cooling chamber 13. Therefore, as described above, the air blown by the first blower 35 having a large flow velocity in the direction of the radius of rotation R passes through the opening along the fan casing 36 and the partition 55, and flows into the freezer compartment with a very small flow resistance. Wind road 18. At this time, as shown in Fig. 6(A), since the air flowing toward the front of the first blower 35 starts very little, the blower cover 41 that has been moved away from the cooling chamber 13 has a very small influence on the air passage resistance.
  • the distance X (i.e., the distance X forming the air flow path opening) has a specific length. Specifically, it should be ensured that the distance X is equal to or greater than 30 mm, preferably greater than or equal to 50 mm. If the distance X is shorter than 30 mm, the flow loss caused by the blower cover 41 is increased, and it is difficult to suppress the loss of the force to a small extent as compared with the case of using a damper of the prior art.
  • the distance X is ensured to be equal to or larger than 50 mm, the increase in the force loss due to the increase of the blower cover 41 can be almost eliminated.
  • the wind-side surface S3 shown in the drawing is at a position where the distance X (see Fig. 5 (B)) is equal to 50 mm.
  • the surface S2 is at a position where the distance X is 80 mm.
  • the compressor 31 is made In operation, the refrigerating compartment damper 51 is opened, and the second blower 50 is operated to cool the refrigerating compartment 3.
  • the air cooled by the cooler 32 sequentially passes through the second air blowing port 15 of the cooling chamber 13, the refrigerating compartment damper 51, the refrigerating compartment supply air path 17, and the air outlet 22, and is supplied to the refrigerating compartment 3.
  • the foodstuff etc. stored in the refrigerator compartment 3 can be cooled and stored at the appropriate temperature.
  • the circulating cold air supplied into the refrigerating compartment 3 is returned from the return port 25 to the cooling chamber 13 via the return air passage 20. Therefore, the cooler 32 will cool it again.
  • the refrigerator compartment 4 can be provided with respect to the freezing compartment 4
  • the cooling operation of 6 independently performs the cooling operation of the refrigerating compartment 3. Specifically, when the blower cover 41 closes the first air blowing port and the first blower 35 is stopped, the second blower 50 is operated by opening the refrigerating compartment damper 51, and only the cold air can be supplied to the refrigerating compartment 3.
  • the air passage from the cooling chamber 13 to the refrigerating chamber supply air passage 17 can be formed in a substantially linear shape.
  • cold air is blown from the cooling chamber 13 to the front by a blower provided in front of the cooling chamber 13, and a part of the cold air flows to the supply air passage located obliquely upward on the rear side, with this
  • the above-described shunt structure of the embodiment of the present invention can reduce the flow loss as compared with the structure.
  • the compressor 31 is operated to operate the first blower 35, and the blower cover 41 is opened, whereby the freezing compartments 4 to 6 can be cooled.
  • the blower cover 41 is in a state of leaving the first blower 35 as shown in Fig. 5(B).
  • the air cooled by the cooler 32 is sent out through the first blower 35 disposed at the first air blowing port 14 of the cooling chamber 13, and sequentially passes through the freezing compartment supply air passage 18 and the blowout port 23, and is supplied to the freezing compartments 4 to 6 .
  • the air in the freezing compartments 4 to 6 flows back into the cooling chamber 13 through the return port 16 of the cooling chamber 13 through the return port 26 formed on the rear side of the lower freezing compartment 6.
  • the cooling operation of the freezing compartments 4 to 6 is independently performed with respect to the cooling of the refrigerating compartment 3. That is, by stopping the second blower 50, the refrigerating compartment damper 51 is closed, the blower cover 41 is opened, and the first blower 35 is operated, and only the cold air can be supplied to the freezing compartments 4 to 6.
  • the cold air cooled by one cooler 32 can be efficiently supplied to the respective storage compartments 3 to 7 independently with a small pressure loss. Thereby, the refrigerating compartment 3 and the freezing compartments 4 to 6 can be appropriately cooled in accordance with the respective cooling loads.
  • the refrigerator 1 can alternately cool the refrigerating compartment 3 and the freezing compartments 4 to 6 as in the prior art refrigerator including two coolers by only one cooler 32.
  • the ice box 1 does not require complicated refrigerant circuit and circuit switching control, so that each of the storage rooms 3 to 7 can be efficiently cooled with less heat loss.
  • the refrigerator 1 does not require a refrigerator dedicated for refrigerating, so that the space of the refrigerating compartment 3 can be enlarged.
  • the cooling temperature of the cooler 32 (the evaporation temperature of the refrigerant) can be adjusted in accordance with the target cooling temperature of the storage chamber to which the cold air is to be supplied, whereby the efficiency of the refrigeration cycle can be further improved.
  • the refrigerator of the embodiment of the present invention may include the refrigerating compartment temperature sensor 61 and the freezing compartment temperature sensor 62 that respectively detect the temperatures of the refrigerating compartment 3 and the freezing compartments 4 to 6, and thus may also be based on the refrigerating compartment 3 detected by the refrigerating compartment temperature sensor 61.
  • the temperature is used to control the number of revolutions of the second blower 50, and the number of revolutions of the first blower 35 is controlled based on the temperatures of the freezer compartments 4 to 6 detected by the freezer compartment temperature sensor 62. Thereby, an appropriate amount of cold air is supplied to the refrigerating compartment 3 and the freezing compartments 4 to 6, respectively.
  • the cooling operation is continuously performed, and the air-side heat transfer surface of the cooler 32 adheres to the frost, hinders heat transfer, and blocks the air flow path. Therefore, the frost is judged from the decrease in the evaporation temperature of the refrigerant, or the frosting is performed by the defrosting timer or the like, and the defrosting cooling operation or the defrosting operation is started to remove the frost attached to the cooler 32.
  • a defrosting cooling operation for cooling the refrigerating compartment 3 by the latent heat of the frost attached to the cooler 32 will be explained.
  • the compressor 31 is stopped, and the first blower 35 is stopped.
  • the blower cover 41 is in a closed state. Further, the refrigerating compartment damper 51 is opened to operate the second blower 50.
  • the refrigerator 1 of the present invention it is possible to reduce the heater input for defrosting and The input of the compressor for cooling reduces the power consumption of the refrigerator 1 and comprehensively improves the cooling efficiency. Further, since cold air having a high humidity due to defrosting can be supplied to the refrigerating compartment 3, it is possible to prevent the food or the like stored therein from being dried and to improve the fresh-keeping effect. In addition, by providing a supply air passage for supplying cold air to the vegetable compartment 7 without passing through the freezer compartment supply air passage 18, even the vegetable compartment 7 can be cooled and rewound by the defrosting latent heat.
  • the blower cover 41 or the refrigerating chamber damper 51 is opened to start the first blower 35 or the second blower 50. Running. Thereby, the influence caused by the defrosting heat is suppressed to a small extent as much as possible, and the cooling operation is started again.
  • the door opening and closing sensor 63 detects that the heat insulating door 8 is open.
  • the control device of the refrigerator 1 detects that the heat insulating door 8 is in the open state, the refrigerating compartment damper 51 is opened to operate the second blower 50, and the flap 53 is opened.
  • the air blower 22a formed from the upper front portion of the refrigerating compartment 3 blows cold air downward, and a wind curtain is formed at the front opening of the cold storage compartment 3.
  • a wind curtain is formed at the front opening of the cold storage compartment 3.
  • the control device of the refrigerator 1 performs the aforementioned conventional cooling operation.
  • the second blower 50 can be continuously operated for a predetermined period of time after the heat insulating door 8 is closed, and the flap 53 can be swung. Thereby, the refrigerating compartment 3 which is warmed by opening the heat insulating door 8 can be effectively cooled.
  • the inside is particularly the housing wall box 57 inside the heat insulating door 8.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

Réfrigérateur (1), comprenant : un compartiment de stockage, divisé au moins en un compartiment réfrigération (3) et en un compartiment congélation (4-6) ; et une chambre de refroidissement (13), équipée d'un refroidisseur (32) servant à refroidir de l'air envoyé vers le compartiment de stockage. La chambre de refroidissement (13) est formée d'une première ouverture d'alimentation en air (14) dans le compartiment congélation (4-6) et d'une seconde ouverture d'alimentation en air (15) dans le compartiment réfrigération (3). Le réfrigérateur (1) envoie de manière indépendante et efficace de l'air froid refroidi par le refroidisseur (32) vers le compartiment réfrigération (3) et vers le compartiment congélation (4-6) respectivement avec moins de perte de pression. Le compartiment congélation (4-6) est disposé en-dessous du compartiment réfrigération (3). La chambre de refroidissement (13) est disposée derrière le compartiment congélation (4-6). La première ouverture d'alimentation en air (14) est formée dans la paroi avant de la chambre de refroidissement (13), et la seconde ouverture d'alimentation en air (15) est formée sur la surface supérieure de la chambre de refroidissement (13), ce qui permet ainsi de diminuer la perte de pression du cheminement d'air, et d'assurer une plus grande capacité de logement.
PCT/CN2014/085124 2013-08-29 2014-08-25 Réfrigérateur WO2015027885A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-177946 2013-08-29
JP2013177946A JP6254385B2 (ja) 2013-08-29 2013-08-29 冷蔵庫

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WO2015027885A1 true WO2015027885A1 (fr) 2015-03-05

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CN105466106A (zh) * 2015-12-22 2016-04-06 青岛海尔股份有限公司 冰箱
WO2018086577A1 (fr) * 2016-11-11 2018-05-17 青岛海尔股份有限公司 Réfrigérateur
EP3450888A1 (fr) * 2017-08-28 2019-03-06 Liebherr-Hausgeräte Lienz GmbH Armoire de stockage du vin à deux compartiments
CN109196290B (zh) * 2016-06-01 2020-09-15 松下知识产权经营株式会社 冷藏库
CN112066616A (zh) * 2019-06-11 2020-12-11 青岛海尔特种电冰柜有限公司 具有风幕功能的冷柜

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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JP6675211B2 (ja) * 2016-01-28 2020-04-01 シャープ株式会社 冷蔵庫
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