CN110118461A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN110118461A
CN110118461A CN201811032563.3A CN201811032563A CN110118461A CN 110118461 A CN110118461 A CN 110118461A CN 201811032563 A CN201811032563 A CN 201811032563A CN 110118461 A CN110118461 A CN 110118461A
Authority
CN
China
Prior art keywords
mentioned
cooler
room
temperature zone
refrigerating
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811032563.3A
Other languages
Chinese (zh)
Inventor
石崎聪
小川真申
河井良二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Appliances Inc
Original Assignee
Hitachi Appliances Inc
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
Priority claimed from JP2018018780A external-priority patent/JP2019138481A/en
Priority claimed from JP2018018779A external-priority patent/JP2019138480A/en
Application filed by Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Publication of CN110118461A publication Critical patent/CN110118461A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • 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
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements 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
    • F25D17/065Arrangements 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
    • 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
    • F25D23/00General constructional features
    • F25D23/006General constructional features for mounting refrigerating machinery components
    • 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
    • F25D2317/00Details 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
    • F25D2317/06Details 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
    • F25D2317/067Details 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

Abstract

The present invention provides refrigerator, realizes the samming in refrigerating chamber and will not promote the drying of food, and have: the first refrigerating temperature zone room;Second refrigerating temperature zone room;Cryogenic temperature band room;The first cooler set on the back of the first refrigerating temperature zone room;The cold air of first cooler is blown to the first air blower of the first refrigerating temperature zone room;The first refrigerating temperature zone room is flowed through from the first cooler and returns to the first wind path of the first cooler;The second cooler set on cryogenic temperature band room or the back of the second refrigerating temperature zone room;The cold air of second cooler is blown to the second air blower of cryogenic temperature band room or the second refrigerating temperature zone room;And cryogenic temperature band room or the second refrigerating temperature zone room are flowed through from the second cooler and returns to the second wind path of the second cooler, the refrigerator is characterized in that, the delivery outlet of first wind path is not set to the front surface of the first refrigerating temperature zone room, and the mainstream cold air from the first cooler goes to the indoor wall surface of the first refrigerating temperature zone.

Description

Refrigerator
Technical field
The present invention relates to refrigerators.
Background technique
For common refrigerator, refrigerating chamber, freezing chamber, vegetable compartment etc. due to the food of storage is different and storage appropriate Temperature is different, so being equipped with multiple storerooms, wherein refrigerating chamber is designed to be maximum more.Therefore, in refrigerating chamber, cooler bin The Temperature Distribution of interior cold air is easy uneven.Therefore, as shown in Patent Document 1, circulating cold air wind is set in refrigeration chamber Fan, to seek to refrigerate indoor samming.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2000-88422 bulletin
Summary of the invention
Problems to be solved by the invention
But in the case where patent document 1, since circulating cold air fan being arranged in the case, cold air is directly contacted Food can promote the drying of food.
Solution for solving the problem
In order to solve the above problems, refrigerator has: the first refrigerating temperature zone room;Second refrigerating temperature zone room;And freezing Temperature band room, and have: the first cooler set on the back of above-mentioned first refrigerating temperature zone room;By above-mentioned first cooler Cold air is blown to the first air blower of above-mentioned first refrigerating temperature zone room;Above-mentioned first refrigeration temperature is flowed through from above-mentioned first cooler Spend with room and return the first wind path of above-mentioned first cooler;Set on above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone Second cooler at the back of room;The cold air of above-mentioned second cooler is blown to above-mentioned cryogenic temperature band room or the second refrigeration temperature Spend the second air blower with room;And above-mentioned cryogenic temperature band room or above-mentioned second refrigerated storage temperature are flowed through from above-mentioned second cooler With room and the second wind path of above-mentioned second cooler is returned to, above-mentioned refrigerator is characterized in that the delivery outlet of above-mentioned first wind path is not Front surface set on above-mentioned first refrigerating temperature zone room, the mainstream cold air from above-mentioned first cooler go to above-mentioned first refrigeration The indoor wall surface of temperature band.
Invention effect
According to the present invention, in the refrigerator for having refrigerated cooler and freezing cooler, it is capable of providing realization refrigeration Indoor samming and will not promote food drying refrigerator.
Detailed description of the invention
Fig. 1 is the main view outside drawing using refrigerator of the invention.
Fig. 2 is the longitudinal section view for indicating the vertical section of refrigerator shown in FIG. 1.
Fig. 3 is the sectional elevation for indicating the cross section of refrigerator shown in FIG. 1.
Fig. 4 is the ideograph for indicating the wind path structure of refrigerator of embodiment.
Fig. 5 is the schematic diagram for indicating the refrigerating cycle structure of the refrigerator of embodiment.
Fig. 6 be indicate embodiment refrigerator it is normal when operating time diagram an example.
In figure:
1-refrigerator, 2-refrigerating chambers (the first refrigerating temperature zone room), 2a, 2b-refrigerating-chamber door, 3-ice-making compartments, 4-upper layers Freezing chamber, 5-lower layer's freezing chambers, 3a, 4a, 5a-refrigerating chamber door, 6-vegetable compartments (the second refrigerating temperature zone room), 6a-vegetables Room door, 7-freezing chambers (3,4,5 general names), 8a-refrigerator cooler room (the first cooler receiving room), 8b-freezing is with cold But device room (the second cooler receiving room), 9a-refrigeration fan (the first air blower), 9b-freezing fan (the second air blast Machine), 10-body of thermal insulating box, the interior case of 10a-outer container, 10b-, 11-refrigerating chamber air supply paths, 11a-refrigerating chamber delivery outlet, 12- Freezing chamber air supply path, 12a-freezing chamber delivery outlet, 13-vegetable compartment air supply paths, 13a-vegetable compartment delivery outlet, 14a-refrigeration are used Cooler (the first cooler), 14b-freezing cooler (the second cooler), 15a, 15b -15c-refrigerating chamber reflux wind Road, 16-knuckle guards, 17-freezing chamber refluxing openings, 18-vegetable compartments reflux wind path, 18a-vegetable compartment refluxing opening, 19-vegetables Room windscreen, 21-pharoids, 22a, 22b-discharge outlet, 23a, 23b-chute, 24-compressors, 25-wind paths, 26- Case external fan, 27a-refrigeration drainpipe, 27b-freezing drainpipe, 28,29,30-insulating partitions, 31-control base boards, 32-evaporating dishes, 35-chilled rooms, 39-Machine Rooms, 40a-refrigerated cooler temperature sensor, 40b-freezing cooling Device temperature sensor, 41-refrigerator temperature sensors, 42-freezer temperature sensors, 43-vegetable compartment temperature sensors, The outer radiator (cooling mechanism) of 50a, 50b-case, 50c-moisture condensation inhibit piping (cooling mechanism), 51-drying machines, 52-threeways Valve (refrigerant control mechanism), 53a-refrigeration with capillary (mechanism of decompressor), 53b-freezing with capillary (mechanism of decompressor), 54a-refrigeration gas-liquid separator, 54b-freezing gas-liquid separator, 55a, 55b-heat exchange department, 56-check-valves, 91- Deodorizing part, 95a, 95b-refrigeration chamber liner (the first seal member), 96a, 96b, 96c-freezing chamber liner (the second sealing Part), 97-vegetables chamber liners (third seal member), 101-chute portion heaters, 102-drainpipe upper portion heaters, 103-drainpipe lower heaters.
Specific embodiment
Hereinafter, embodiments of the present invention are described in detail using attached drawing, the present invention is not limited to implementations below Various modifications example, application examples are all contained in its range in technical concept of the invention by mode.
< first embodiment >
The embodiment of refrigerator of the invention is illustrated.Firstly, referring to Fig.1~Fig. 5, to the structure of the refrigerator of embodiment It is illustrated.Fig. 1 is the main view of the refrigerator of embodiment, and Fig. 2 is the A-A cross-sectional view of Fig. 1, and Fig. 3 is the B-B cross-sectional view of Fig. 2, figure 4 be the ideograph for indicating the wind path structure of refrigerator of embodiment, and Fig. 5 is the structure for indicating the refrigerating cycle of refrigerator of embodiment Schematic diagram.The body of thermal insulating box 10 of refrigerator 1 is in front openings, from top simultaneously with refrigerating chamber 2 (the first refrigerating temperature zone room), left and right The ice-making compartment 3 and upper layer freezing chamber 4, lower layer's freezing chamber 5, vegetable compartment 6 (the second refrigerating temperature zone room) for arranging setting sequentially form Storeroom.Hereinafter, ice-making compartment 3, upper layer freezing chamber 4, lower layer's freezing chamber 5 are collectively referred to as freezing chamber 7 (cryogenic temperature band room).
The opening in the front of refrigerating chamber 2 is opened and closed by revolving refrigerating-chamber door 2a, 2b of left and right segmentation, ice-making compartment 3, upper layer The opening in the front of freezing chamber 4, lower layer's freezing chamber 5 and vegetable compartment 6 is respectively by ice-making compartment door 3a, the upper layer freezing chamber of drawer type Door 4a, lower layer refrigerating chamber door 5a, vegetable compartment door 6a opening and closing.Periphery has as sealing on the inside of the case of refrigerating-chamber door 2a, 2b Refrigeration chamber liner 95a, 95b (the first seal member) of part, in ice-making compartment door 3a, upper layer refrigerating chamber door 4a, lower layer's refrigerating chamber door Periphery has freezing chamber liner 96a, 96b, 96c (the second seal member) as a seal part on the inside of the case of 5a, as vegetable Periphery has (the third sealing of vegetables chamber liner 97 as a seal part on the inside of the case of the vegetable compartment door 6a of the door of dish room 6 Part), it when closing each door, is contacted with the leading edge potion of body of thermal insulating box 10, to inhibit the circulation of the air inside and outside case.Refrigerating chamber The perimeter of liner 95a, 95b are respectively 2271mm, 2441mm, refrigerate whole perimeters (the first seal member of chamber liner 95a, 95b Perimeter) be 4712mm.The perimeter of freezing chamber liner 96a, 96b, 96c are respectively 976mm, 1416mm, 2087mm, freezing chamber lining The whole perimeters (perimeter of the second seal member) for padding 96a, 96b, 96c are 4209mm.In addition, the perimeter of vegetables chamber liner 97 (perimeter of third seal member) is 2107mm.
In order to fix refrigerator 1 and door 2a, 2b, it is equipped with door hinge (not shown) on 2 top of refrigerating chamber and lower part, the door on top Hinge is covered with door hinge chain guard 16.In addition, being equipped with the operation portion 99 for carrying out the operation of the setting of the temperature in case in door 2a.
The temperature of refrigerating chamber 2 and the temperature of freezing chamber 7 can be selected to maintain temperature grade via operation portion 99 by user. Specifically, the setting of the maintenance temperature grade of refrigerating chamber 2 and freezing chamber 7 can be respectively set as " strong ", " in ", " weak " three Grade stage, refrigerating chamber 2 are maintained about 2 DEG C under " strong ", " in " under maintain about 4 DEG C, maintain about 6 DEG C under " weak ", freezing Room 7 is maintained about -22 DEG C under " strong ", " in " under be maintained about -20 DEG C, about -18 DEG C are maintained under " weak ".In addition, vegetable Dish room 6 is averagely maintained 7 DEG C or so.
The width W of refrigerator 1 is W=685mm (referring to Fig.1), and depth D is D=738mm (referring to Fig. 2), and height H is H= 1833mm (referring to Fig.1), the refrigerating chamber height dimension H of the opening portion of body of thermal insulating box 10RFor HR=787mm, freezing chamber height dimension HFFor HF=482mm, vegetable compartment height dimension HVFor HV=334mm (referring to Fig. 2).It is in full fixed based on JISC9801-3:2015 Internal volume is 602L, and in detail, refrigerating chamber 308L, fully to determine the 51.2% of internal volume, freezing chamber is that 180L is 29.9% (fully determining 28% of internal volume or more), vegetable compartment 114L are accounted for and are fully determined the 18.9% of internal volume.
As shown in Fig. 2, the shape by the filled and process insulation (for example, foamed polyurethane) between outer container 10a and interior case 10b At body of thermal insulating box 10 will separate outside the case of refrigerator 1 and in case.In body of thermal insulating box 10 other than foam insulation part, also in steel plate system Outer container 10a and plastic interior case 10b between multiple vacuum insulation parts 36 are installed.Refrigerating chamber 2 and upper layer freezing chamber 4 And ice-making compartment 3 is separated by insulating partitions 28 (air circulation blocking mechanism), lower layer's freezing chamber 5 and vegetable compartment 6 are by insulating partitions 29 It separates.In addition, the front-surface side in each storeroom of ice-making compartment 3, upper layer freezing chamber 4 and lower layer's freezing chamber 5 is equipped with for preventing Only via the insulating partitions 30 of the air circulation inside and outside the case in the gap of door 3a, 4a, 5a.
It is equipped with multiple pockets 33a, 33b, 33c being open upwards on the inside of the case of door 2a, 2b of refrigerating chamber 2 and multiple puts Plate 34a, 34b, 34c, 34d are divided into multiple storage spaces.In addition, open height (the void in Fig. 2 of the door pocket 33a of topmost Line) set on the position of the shelf 34a high than top layer.Freezing chamber 7 and vegetable compartment 6 have respectively with door 3a, 4a, 5a, 6a mono- Ice-making compartment container (not shown), upper layer freezing chamber container 4b, the lower layer freezing chamber container 5b, vegetable compartment container 6b pulled out to body. Vegetable compartment container 6b points are upper layer and lower layer, have the bottle storage space 6c for the bottle class that can store drink in front of lower layer side. The height dimension of bottle storage space 6c ensures 305mm or more (in the present embodiment, 315mm), so as to store with erecting 1.5L, The mode of the bottle of the drink of 2L.In addition, the bottle that can store drink passes through goods catalogue, operation instructions, advertising media etc. Literal, figure, photograph, image and well known to user.
The chilled room 35 lower than the temperature band of refrigerating chamber 2 can be set as by being equipped in the top of insulating partitions 28.With regard to chilled For room 35, user can select set temperature via operation portion 99.Specifically, can be set as maintaining refrigerating temperature zone About 0~3 DEG C of " temperature grade 1 " and maintain cryogenic temperature band either one or two of " temperature grade 2 " of pact -3~0 DEG C.
Have refrigerator cooler room 8a at the substantially back of refrigerating chamber 2, work is accommodated in refrigerator cooler room 8a For the refrigerated cooler 14a (the first cooler) of fin tube type heat exchanger.Have above refrigerated cooler 14a cold Use fan 9a (the first air blower) in hiding.In addition, the approximate centre in the width direction at 2 back of refrigerating chamber has refrigerating chamber air supply path 11, have refrigerating chamber delivery outlet 11a on the top of refrigerating chamber air supply path 11, refrigerating chamber delivery outlet 11a has the air for making blowout The directing mechanism pointed up.In addition, in the refrigerator of the present embodiment, it, will be cold as the directing mechanism of refrigerating chamber delivery outlet 11a The opening of room delivery outlet 11a is hidden facing towards top.The cooling air such as Fig. 2 to produce by boasting upward from refrigerating chamber delivery outlet 11a It is dynamic along the ceiling surface current of refrigerating chamber 2 shown in middle arrow, the region in the front of refrigerating chamber 2 is reached, in shelf 34a, 34b, 34c The gap that front and door pocket 33a, 33b, 33c are generated is flowed, via set on the left back of the space between shelf 34c and shelf 34d The opening 92 (referring to Fig. 3) of side enters the rear space of chilled room 35, and from the table before the lower part of refrigerator cooler room 8a Refrigerating chamber reflux wind path 15a, 15b, 15c (referring to Fig. 3) the return refrigeration cooling in face, lower left side face, lower part right anterior surface Device room 8a.In addition, a part of the air of the spatial flow between shelf 34c and shelf 34d is from set on shelf 34c and shelf The refrigerating chamber reflux wind path 15d (referring to Fig. 3) of the right back in the space between 34d returns to refrigerator cooler room 8a.In addition, Refrigerating chamber reflux wind path 15c a part using with have in such a way that the air that refrigerating chamber 2 flows contacts deodorizing part 91 (as An example, open-celled structure deodorizing part).
By forming such wind path structure, the cold air exported from refrigerated cooler 14a, which is not directly contacted with to be accommodated in, to be put It circulates to the food of plate, therefore does not promote the drying of food that can also cool down in refrigerating chamber 2.In addition, the delivery outlet of the present embodiment 11a is configured to, and is the wall surface for making cold air encounter top that is open with top, but the position being open is not limited to top, even if constituting For the opening left and right directions for making delivery outlet, so that cold air is encountered the side wall surface of left and right, can also reach above-mentioned purpose.In addition, i.e. Make that slightly there is opening in front surface, if the opening area of top is sufficiently large relative to the opening area of front surface, makes mainstream Cold air goes to the top surface of refrigerating chamber 2, then can also reach above-mentioned purpose.
In addition, in the present embodiment, top surface of the cold air come from refrigerated cooler 14a output in refrigerating chamber 2 is forward Surface side flowing is easy to reach the opening portion of door pocket 33a from the top of door 2a, 2b of refrigerating chamber 2, therefore having can be cold rapidly But the effect in door pocket 33a.
Have freezing cooler chamber 8b at the substantially back of freezing chamber 7, work is accommodated in freezing cooler chamber 8b For the freezing cooler 14b (the second cooler) of fin tube type heat exchanger.Have above freezing cooler 14b cold Freeze and uses fan 9b.In addition, have freezing chamber air supply path 12 at the back of freezing chamber 7, in freezing with fan 9b (the second air blower) The freezing chamber air supply path 12 in front have multiple freezing chamber delivery outlet 12a.In front of lower part of the freezing chamber with cooler room 8b Has the freezing chamber reflux wind path 17 returned for the air for being delivered to freezing chamber 7 (referring to Fig. 2 and Fig. 3).
Vegetable compartment air supply path 13 as from the wind path to vegetable compartment 6 is formed from the lower right branch of freezing chamber air supply path 12, And pass through insulating partitions 29.The vegetable compartment delivery outlet 13a of outlet as vegetable compartment air supply path 13 is set as, and is carried on the back with vegetable compartment 6 The height of 29 lower surface of insulating partitions of portion's upper right is substantially uniform, and is open downwards.Have vegetables in vegetable compartment air supply path 13 The cooling control mechanism that is, vegetable compartment windscreen 19 of room 6 (referring to Fig. 3).Insulating partitions 29 between vegetable compartment 6 and freezing chamber 7 Lower left quarter in front of have vegetable compartment reflux inflow entrance 18a, form following flow path: via the vegetable passed through in insulating partitions 29 Dish room reflux wind path 18 reaches the flow path of the vegetable compartment reflux outflux 18b in front of the lower part of freezing cooler chamber 8b.
Next, being illustrated referring to Fig. 4 to the wind path structure of the refrigerator of the present embodiment.By driving refrigeration fan 9a carries out heat exchange with refrigerated cooler 14a and becomes the air of low temperature via refrigerating chamber air supply path 11, refrigerating chamber delivery outlet 11a blows to refrigerating chamber 2, in cooling refrigerating chamber 2.Air-supply to the air of refrigerating chamber 2 from refrigerating chamber flow back wind path 15a, 15b, 15c And 15d (referring to Fig. 3) returns to refrigerator cooler room 8a.Hereinafter, refrigerating chamber 2 will be flowed through from refrigerator cooler room 8a and returned The wind path for returning refrigerator cooler room 8a is known as refrigerating wind path 111 (the first wind path).In addition, by driving freezing fan 9b, Heat exchange is carried out with freezing cooler 14b and becomes the air of low temperature via freezing chamber air supply path 12, freezing chamber delivery outlet 12a It blows to freezing chamber 7, in cooling freezing chamber 7.The air for being delivered to freezing chamber 7 is returned from freezing chamber reflux wind path 17 to be freezed with cold But device room 8b.In addition, flowing into the cooling air of freezing chamber air supply path 12 in the case where vegetable compartment windscreen 19 is opening-wide state A part flowed in vegetable compartment air supply path 13, vegetable compartment 6 is reached via vegetable compartment delivery outlet 13a, in cooling vegetable compartment 6.It is defeated It send the air to vegetable compartment 6 to flow through vegetable compartment reflux wind path 18 and returns to freezing cooler chamber 8b.Hereinafter, will be from the freezing with cold But device room 8b flows through freezing chamber 7 and returns to the wind path of freezing cooler chamber 8b and flow through vegetable compartment from freezing cooler chamber 8b It 6 and returns to the wind path of freezing cooler chamber 8b and is known as refrigerated vegetables wind path 112 (the second wind path).
In the refrigerator of the present embodiment, refrigeration is that the centrifugal fan that blade diameter (wing diameter) is 100mm is (backward with fan 9a I Off ァ Application: blade fan), the freezing aerofoil fan (propeller fan) that fan 9b is that blade diameter is 110mm.From Heart fan, which has, turns to 90 degree of characteristics radially blown out for the air come from axial sucking.On the other hand, aerofoil fan has By the air come from axial sucking along the characteristic axially blown out.Therefore, in the wind for making the flowing come along axial sucking turn to 90 degree The installation of Lu Zhong, centrifugal fan are excellent, in the flowing that will come along axial sucking along the wind path axially blown out, aerofoil fan Installation is excellent.Therefore, as refrigeration fan 9a, the air that comes from front sucking is turned to 90 degree upwards due to becoming The structure that refrigerating chamber air supply path 11 is blown out, so it is employed as the blade fan that falls of centrifugal fan, as freezing fan 9b, due to As the structure for blowing out the freezing chamber air supply path 12 of the air come from rear sucking forwards, so being employed as aerofoil fan Propeller fan, become the high refrigerator of space efficiency.
As shown in Figures 2 and 3, refrigerating chamber 2, freezing chamber 7, vegetable compartment 6 case in back side have temperature of refrigerating chamber biography Sensor 41, freezer temperature sensor 42, vegetable compartment temperature sensor 43 detect refrigerating chamber 2, freezing chamber 7, vegetable compartment 6 respectively Temperature.In addition, having refrigerated cooler temperature sensor 40a on the top of refrigerated cooler 14a, in freezing cooling The top of device 14b has freezing cooler temperature sensor 40b, detects refrigerated cooler 14a and freezing cooler 14b Temperature.In addition, having the temperature of detection outside air (the outer air of case) in the inside of the door hinge chain guard 16 in the ceiling portion of refrigerator 1 The outside air Temperature Humidity Sensor 37 of degree, humidity has the door for detecting open and-shut mode respectively in door 2a, 2b, 3a, 4a, 5a, 6a Sensor (not shown).
In addition, having the Defrost heater for heating frozen cooler 14b in the lower part of freezing cooler chamber 8b 21.Defrost heater 21 is, for example, that the pharoid of 150W is arranged in the present embodiment in the electric heater of 50W~200W.It is cold The defrosted water (thawing water) generated when the jelly defrosting of cooler 14b runs underneath to the lower part for being provided to freezing cooler chamber 8b Chute 23b reaches the Machine Room for being set to rear (back side) lower part of refrigerator 1 via discharge outlet 22b, freezing with drainpipe 27b 39, it is expelled to the evaporating dish 32 on the top of the compressor 24 in Machine Room 39.
In addition, the Defrost method about refrigerated cooler 14a is followed by narration, the defrosting of refrigerated cooler 14a When the defrosted water that generates run underneath to the chute 23a for being provided to the lower part of refrigerator cooler room 8a, via discharge outlet 22a, refrigeration The evaporating dish 32 for being provided to the top of compressor 24 is expelled to drainpipe 27a.
Has with above-mentioned compressor 24, evaporating dish 32 case as fin tube type heat exchanger together in Machine Room 39 Outer radiator 50a, case external fan 26.By the driving of case external fan 26, radiator 50a, evaporating dish 32 outside compressor 24, case Moving air promotes the heat dissipation of the radiator 50a outside compressor 24 and case, improves energy-efficient performance, and by evaporating dish 32 ventilations promote the evaporation for being stranded in the defrosted water of evaporating dish 32, inhibit spilling water, improve reliability.
As shown in figure 3, having the chute heater 101 for melting the defrosted water freezed in chute 23a in chute 23a.Separately Outside, have drainpipe upper portion heater 102 and drainpipe lower heater 103 in refrigeration drainpipe 27a.In addition, chute adds Hot device 101, drainpipe upper portion heater 102, drainpipe lower heater 103, which are that load capacity is lower than Defrost heater 21, to be added Hot device makes 101 6W of chute heater in the present embodiment, makes 102 3W of drainpipe upper portion heater, makes drainpipe lower part Heater 103 is 1W.
Here, flowing back if driving refrigeration fan 9a via the refrigerating chamber of the upper right set on refrigerator cooler room 8a Mouth 15b, flows the return air from refrigerating chamber 2 downwards towards chute 23a, heats chute 23a, improves temperature.As a result, It can be reduced the effect of the heating amount for the chute heater 101 for melting the defrosted water freezed in chute 23a, improve energy conservation Performance.
In addition, freezing chamber 7 and freezing cooler chamber 8b are compared close to outer container 10a in the lower part drainpipe 27a.Thereby, it is possible to The heating amount for the drainpipe lower heater 103 for melting the defrosted water freezed in drainpipe 27a is reduced, energy-efficient performance is improved.
It is configured with control base board 31 in the ceiling portion (referring to Fig. 2) of refrigerator 1, equipped with as control in the control base board 31 The memories such as CPU, ROM, RAM of a part of device processed, interface circuit etc..Control base board 31 and refrigerator temperature sensor 41, freezer temperature sensor 42, vegetable compartment temperature sensor 43, chiller temperature sensor 40a, 40b etc. connect, above-mentioned CPU carries out compressor 24, cold based on these output valves, the setting of operation portion 99, the program for being pre-recorded in above-mentioned ROM etc. Hiding fan 9a, the freezing on/off of fan 9b, revolving speed control, Defrost heater 21, chute heater 101, drainpipe Upper portion heater 102, drainpipe lower heater 103 and control of aftermentioned triple valve 52 etc..
Fig. 5 is the refrigerating cycle (refrigerant flow path) of the refrigerator of embodiment 1.In the refrigerator 1 of the present embodiment, have: compression Machine 24 (swept volume 9.2cc);The outer radiator 50a of case and heat-loss at wall for carrying out the heat dissipation of refrigerant are piped 50b;Inhibit to exhausted The moisture condensation of the moisture condensation of the leading edge potion in hot next door 28,29,30 inhibit piping 50c (by radiator 50b outside radiator 50a outside case, case, Moisture condensation inhibits piping 50c to be known as cooling mechanism);Triple valve 52 as refrigerant flow control mechanism;Make subtracting for refrigerant decompression Press mechanism, that is, refrigeration capillary 53a;Freezing capillary 53b;And so that air in refrigerant and case is carried out heat exchange and The refrigerated cooler 14a and freezing cooler 14b that heat in case is absorbed heat.In addition, having in the upstream of triple valve 52 The drying machine 51 of moisture in standby removal refrigerating cycle, under the downstream and freezing cooler 14b of refrigerated cooler 14a Trip has respectively prevents the refrigeration of liquid refrigerant inflow compressor 24 with gas-liquid separator 54a, freezing gas-liquid separator 54b.Moreover, having check-valves 56 in the downstream of freezing gas-liquid separator 54b.These structural elements are passed through into refrigerant piping Connection, to constitute refrigerating cycle.In addition, being used in the refrigerator of the present embodiment by compressor 24, refrigeration fan 9a, freezing The revolving speed of fan 9b adjusts the temperature of refrigerated cooler 14a and freezing cooler 14b, therefore by compressor 24, refrigeration It is referred to as chiller temperature adjustment mechanism with fan 9a, freezing with fan 9b.In addition, refrigerant uses the isobutyl of combustible refrigerant Alkane, refrigeration dose enclosed volume are 88g.
Triple valve 52 has outflux 52a and outflux 52b, is the refrigerant flow control valve for having following state: making to flow Outlet 52a is opening-wide state and is in off state outflux 52b, flows the state 1 of refrigerant with the side capillary 53a to refrigeration (refrigeration mode);It is in off state outflux 52a and makes outflux 52b opening-wide state, to freezing capillary 53b effluent The state 2 (frozen mode) of dynamic refrigerant;And the state 3 (fully closed mode) for being in off state outflux 52a, 52b.
In the case where the control of triple valve 52 is state 1 (refrigeration mode), the refrigerant come from the output of compressor 24 is flowed through The outer radiator 50a of case, the outer radiator 50b of case, moisture condensation inhibit piping 50c to radiate, and reach triple valve 52 via drying machine 51. Since triple valve 52 is state 1 (outflux 52a is opening-wide state, and outflux 52b is in off state), therefore, next, refrigeration Agent flows through refrigeration and is depressurized with capillary 53a, reaches refrigerated cooler 14a, carries out hot friendship with the return air of refrigerating chamber 2 It changes.The refrigerant of refrigerated cooler 14a is left by refrigeration gas-liquid separator 54a, is contacted with what capillary 53a was contacted Portion 57a flowing, to carry out returning to compressor 24 after heat exchange with the refrigerant flowed in capillary 53a.
In the case where the control of triple valve 52 is state 2 (frozen mode), the refrigerant come from the output of compressor 24 is flowed through The outer radiator 50a of case, the outer radiator 50b of case, moisture condensation inhibit piping 50c flowing to radiate, and reach threeway via drying machine 51 Valve 52.Since triple valve 52 is state 2 (outflux 52a is in off state, and outflux 52b is opening-wide state), therefore, connect down Come, refrigerant, which flows through freezing and is depressurized with capillary 53b, carries out low temperature, in the reflux of freezing cooler 14b and freezing chamber 7 Air and the return air (the case where vegetable compartment windscreen 19 is opening-wide state) of vegetable compartment 6 carry out heat exchange.It leaves and freezes with cold But the refrigerant of device 14b is by freezing gas-liquid separator 54b, in the contact portion 57b flowing contacted with capillary 53b, thus It carries out returning to compressor 24 after heat exchange with the refrigerant flowed in capillary 53b.
In the case where the control of triple valve 52 is state 3 (fully closed mode), if driving compressor 24, becomes not from refrigeration The state of refrigerant, therefore the refrigerant or cold in refrigerated cooler 14a are supplied with capillary 53a, freezing capillary 53b Jelly is recovered to cooling mechanism side (described in detail later) with the refrigerant in cooler 14b.
The refrigerator of the present embodiment is above-mentioned by being appropriately carried out each storeroom in case of each operating below to cool down refrigerator 1 Operating are as follows: triple valve 52 control as state 1 (refrigerating mode), makes 24 driving condition of compressor, make to refrigerate by " refrigeration operating " It is driving condition with fan 9a, makes freezing fan 9b halted state, thus cooling refrigerating chamber 2;" refrigerated vegetables operating ", will The control of triple valve 52 is state 2 (frozen mode), makes 24 driving condition of compressor, makes 19 opening-wide state of vegetable compartment windscreen, Make refrigeration fan 9a driving condition or halted state, make freezing fan 9b driving condition, thus cooling 7 He of freezing chamber Vegetable compartment 6;Triple valve 52 is controlled as state 2 (frozen mode), makes 24 driving condition of compressor, make vegetable by " freezing operating " Dish room windscreen 19 is in off state, and makes refrigeration fan 9a driving condition or halted state, makes freezing fan 9b driving State, thus cooling freezing chamber 7;Triple valve 52 is controlled as state 3 (fully closed mode), makes to compress by " refrigerant-recovery operating " Machine 24 be driving condition, by the refrigerant-recovery in the refrigerant or freezing cooler 14b in refrigerated cooler 14a to dissipate Hot mechanism side;" operating stops ", is set as state 3 (fully closed mode) for triple valve 52, makes 24 halted state of compressor, make to refrigerate It is halted state with fan 9a, makes freezing fan 9b halted state;" refrigerated cooler defrosting operating ", by triple valve 52 Control be state 2 (frozen mode) and controls compressor 24 for driving condition, or triple valve 52 is controlled as state 3 (entirely Close pattern) and control compressor 24 for halted state, become refrigerant and do not flow in the state of refrigerated cooler 14a, makes Refrigeration is driving condition with fan, utilizes the cold-storage heat of the frost, cooler itself grown up on the surface of refrigerated cooler 14a The defrosting of refrigerated cooler 14a is carried out while cooling down refrigerating chamber 2;" freezing cooler defrosting operating ", makes triple valve 52 be state 3 (fully closed mode), makes 24 halted state of compressor, makes refrigeration fan 9a driving condition or halted state, Make freezing fan 9b halted state, make 21 energized state of Defrost heater, to carry out removing for freezing cooler 14b Frost.
Fig. 6 is usually operated in the environment of indicating for the refrigerator of the present embodiment to be set to 32 DEG C and relative humidity 70% The time diagram of the state for stablizing cooling operating under mode.In addition, the maintenance temperature grade of refrigerating chamber 2 be set as " in ", freezing The maintenance temperature grade of room 7 be set as " in ", chilled room 35 is set as " temperature grade 1 ".
By time t0It is the process time of cooling refrigerating chamber 2 refrigerated after operation start.Under usual operation mode In refrigeration operating, the control of triple valve 52 is state 1 (refrigeration mode), with 1 (800min of speed-1) driving compressor 24, Xiang Lengzang Refrigerant is supplied with cooler 14a, to reduce the temperature of refrigerated cooler 14a.Under the state, with 2 (1500min of speed-1) driving refrigeration fan 9a, to become the air of low temperature from refrigerating chamber delivery outlet 11a by refrigerated cooler 14a (referring to Fig. 2) is blown out into refrigerating chamber 2, and refrigerating chamber 2 is cooled, and temperature reduces.
Here, the time mean temperature of the refrigerated cooler 14a in refrigeration operating is -6 DEG C, operated than aftermentioned freezing In freezing cooler 14b time mean temperature -24 DEG C of height.Generally, chiller temperature (evaporating temperature) is high, then cold Freeze circularly cooling coefficient (ratio of the caloric receptivity of the input relative to compressor 24) height, energy-efficient performance is high.Freezing chamber 7 is in order to tie up Cryogenic temperature is held, needs to make the temperature of freezing cooler 14b to become low temperature, but refrigerating chamber 2 maintains refrigerated storage temperature, because This, the revolving speed of refrigeration fan 9a and compressor 24 are controlled in a manner of improving the temperature of refrigerated cooler 14a, improves section It can performance.Passing through time t1, the temperature of refrigerating chamber T of the detection of refrigerator temperature sensor 41RIt is reduced to refrigeration operating to terminate temperature TR_off, to switch to refrigerant-recovery operating from refrigeration operating.In refrigerant-recovery operating, the control of triple valve 52 is shape State 3 (fully closed mode), with 1 (800min of speed-1) driving compressor 24, with 2 (1500min of speed-1) driving refrigeration fan Refrigerant in 9a, refrigerated cooler 14a can be recovered (Δ T at two minutesA1=2min).Thereby, it is possible to inhibit in the case where connecing Cooling efficiency caused by the lack of refrigerant in refrigerated vegetables operating and freezing operating come reduces.Further, since cold at this time Hiding fan 9a is driven, so as to efficiently use the residual refrigerant in refrigerated cooler 14a in the cold of refrigerating chamber 2 But, and the pressure reduction in refrigerated cooler 14a can be mitigated using the heating of the air in refrigerating chamber 2.As a result, may be used Inhibit the specific volume of the sucking refrigerant of compressor 24 to increase, more refrigerant can be recycled in the shorter time, it can Improve cooling efficiency.
If refrigerant-recovery operating terminates (by time t2), then judge whether to implement refrigerated cooler defrosting operating, Here, being set as " temperature grade 1 " due to chilled room 35, so refrigeration is with fan 9a with 1 (900min of speed-1) driven, Carry out refrigerated cooler defrosting operating.The temperature of refrigerated cooler 14a rises as a result, and using frost and refrigerates with cold But the temperature that the cooling effect that the cold-storage heat of device 14a obtains can mitigate refrigerating chamber 2 rises.Refrigerate with cold in this way, having But the defrosting of device operates and drives the mode of refrigeration fan, so that the driving time of refrigeration fan is than aftermentioned freezing wind The driving time of fan is long, in addition, indoor air can be refrigerated circulation for a long time, can be realized the samming in refrigeration chamber.
In addition, due to passing through time t2The freezer temperature T detected of freezer temperature sensor 42FAs freezing vegetable Dish operation starting temperature TF_onMore than, therefore starting refrigerated vegetables operating, vegetable compartment 6 is cooled, vegetables room temperature TVIt reduces.? In refrigerated vegetables operating, the control of triple valve 52 is state 2 (frozen mode), and compressor 24 is with 2 (1400min of speed-1) driven, Refrigerant is supplied to freezing cooler 14b, freezing cooler 14b becomes low temperature.Under the state, vegetable compartment windscreen 19 is spacious It opens, freezing is with fan 9b with 1 (1200min of speed-1) driven, so that freezing chamber 7 and vegetable compartment 6 are passed through freezing cooler 14b and the air for becoming low temperature is cooling.
Passing through time t3The vegetables room temperature T detected of vegetable compartment temperature sensor 43VReach the cooling end temperature of vegetable compartment Spend TV_off, to close vegetable compartment windscreen 19, it is transitioned into freezing operating.
Passing through time t4, the freezer temperature T detected of freezer temperature sensor 42FReaching freezing operating terminates temperature Spend TF_off, and vegetable compartment windscreen 19 is closed, therefore freezing operating terminates.Refrigerator temperature sensor 41 is detected at this time Temperature of refrigerating chamber TRReach refrigeration operation starting temperature TR_onMore than, therefore refrigerate operation start condition and set up, carry out refrigerant Recycling operating.In refrigerant-recovery operating, the control of triple valve 52 is state 3 (fully closed mode), and compressor 24 is with speed 2 (1400min-1) driven, freezing is with fan 9b with 1 (1200min of speed-1) driven, the refrigeration in freezing cooler 14b Agent can be recovered (Δ t in 1.5 minutesB1=1.5min).Thereby, it is possible to inhibit to draw in the lack of refrigerant of next refrigeration operating The cooling efficiency risen reduces.In addition, freezing fan 9b is driven at this time, so that the residual in freezing cooler 14b be freezed Agent is efficiently used in the cooling of freezing chamber 7, and can mitigate freezing cooler using the heating of the air in freezing chamber 7 Pressure reduction in 14b.It, can be shorter thereby, it is possible to inhibit the specific volume increase of the sucking refrigerant of compressor 24 Time recycles more refrigerant, improves cooling efficiency.
The operating of cooling freezing chamber 7 is refrigerated vegetables operating (t2~t3), freezing operating (t3~t4), refrigerant-recovery fortune Turn (t4~t5), in such a way that the time mean temperature of the freezing cooler 14b during carrying out these operatings is about -24 DEG C Control freezing fan 9b and compressor 24.In addition, being refrigerated with the freezing operating and refrigeration that fan 9a is driving condition Time average with the refrigerating chamber delivery air temperature during cooler defrosting operating is -1.5 DEG C, becomes and maintains than freezing chamber Temperature TF_keep(- 20 DEG C) and refrigerating chamber maintain temperature TR_keepThe high temperature of the arithmetic mean of instantaneous value (- 8 DEG C) of (4 DEG C).
Pass through time t from what refrigerant-recovery operating terminated5Refrigeration operating is started again at, is repeated periodically later above-mentioned Operating, refrigerating chamber 2 is maintained about 4 DEG C, and freezing chamber 7 is maintained about -20 DEG C, and vegetable compartment is maintained about 7 DEG C.
Here, vegetable compartment 6 substantially stores vegetables and the fruit contained compared with juicy, therefore, the relative humidity in vegetable compartment 6 In higher state.But in the present embodiment, refrigerating chamber 2 by independent wind path and utilizes dedicated refrigerated cooler 14a is cooling, and vegetable compartment 6 is by other wind path and cooling using other freezing cooler 14b, and therefore, the air in vegetable compartment 6 is not It can be blown to the wind path of refrigerating chamber 2.Therefore, the how wet air in vegetable compartment 2 will not reach refrigerating chamber cooler 14a, energy Enough attachments for inhibiting frost to refrigerating chamber cooler 14a, prevent the reduction of the cooling performance of refrigerating chamber 2.
Additionally, this invention is not limited to embodiments shown in above-mentioned, include various modifications example.For example, real shown in above-mentioned Applying example is the example for for easy understanding illustrating the present invention and being described in detail, and is not necessarily limited to the whole for having illustrated Structure.In addition, a part of the structure of certain embodiment can be replaced as to the structure of other embodiments, in addition, also can be to certain The structure of the structure addition other embodiments of embodiment.

Claims (10)

1. a kind of refrigerator, has: the first refrigerating temperature zone room;Second refrigerating temperature zone room;And cryogenic temperature band room,
And have:
First cooler is set to the back of above-mentioned first refrigerating temperature zone room;
First air blower blows the cold air of above-mentioned first cooler to above-mentioned first refrigerating temperature zone room;
First wind path flows through above-mentioned first refrigerating temperature zone room from above-mentioned first cooler and returns to above-mentioned first cooler;
Second cooler is set to the back of above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room;
Second air blower blows the cold air of above-mentioned second cooler to above-mentioned cryogenic temperature band room or the second refrigerating temperature zone Room;And
Second wind path flows through above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room from above-mentioned second cooler and returns Above-mentioned second cooler is returned,
Above-mentioned refrigerator is characterized in that,
The delivery outlet of above-mentioned first wind path is not set to the front surface of above-mentioned first refrigerating temperature zone room, comes from above-mentioned first cooler Mainstream cold air go to the above-mentioned indoor wall surface of first refrigerating temperature zone.
2. refrigerator according to claim 1, which is characterized in that
The driving time of above-mentioned first air blower is longer than the driving time of above-mentioned second air blower.
3. refrigerator according to claim 1, which is characterized in that
In the cooling operating of above-mentioned refrigerator, the temperature of above-mentioned first cooler is higher than the temperature of above-mentioned second cooler.
4. refrigerator according to claim 1, which is characterized in that
The delivery outlet of above-mentioned first wind path is open above, and the mainstream cold air from above-mentioned first cooler goes to above-mentioned first cold Hide the top surface of temperature band room.
5. a kind of refrigerator, has: multiple storerooms;Cooler;The cold air of above-mentioned cooler is blown to the drum of above-mentioned storeroom Blower;And flow through above-mentioned storeroom from above-mentioned cooler and return to the wind path of above-mentioned cooler,
Above-mentioned refrigerator is characterized in that,
It is not set to the front surface of above-mentioned refrigerating chamber to the delivery outlet of refrigerating chamber output cold air in above-mentioned storeroom, and makes from upper The mainstream cold air for stating cooler goes to the top surface of above-mentioned refrigerating chamber.
6. a kind of refrigerator, has: the first refrigerating temperature zone room;Second refrigerating temperature zone room;And cryogenic temperature band room,
And have:
First cooler is set to the back of above-mentioned first refrigerating temperature zone room;
First air blower blows the cold air of above-mentioned first cooler to above-mentioned first refrigerating temperature zone room;
First wind path flows through above-mentioned first refrigerating temperature zone room from above-mentioned first cooler and returns to above-mentioned first cooler;
Second cooler is set to the back of above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room;
Second air blower blows the cold air of above-mentioned second cooler to above-mentioned cryogenic temperature band room or the second refrigerating temperature zone Room;And
Second wind path flows through above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room from above-mentioned second cooler and returns Above-mentioned second cooler is returned,
Above-mentioned refrigerator is characterized in that,
The delivery outlet of above-mentioned first wind path is not set to the front surface of above-mentioned first refrigerating temperature zone room, comes from above-mentioned first cooler Mainstream cold air go to the top surface of above-mentioned first refrigerating temperature zone room.
7. a kind of refrigerator, has: the first refrigerating temperature zone room;Second refrigerating temperature zone room;And cryogenic temperature band room,
And have:
First cooler is set to the back of above-mentioned first refrigerating temperature zone room;
First air blower blows the cold air of above-mentioned first cooler to above-mentioned first refrigerating temperature zone room;
First wind path flows through above-mentioned first refrigerating temperature zone room from above-mentioned first cooler and returns to above-mentioned first cooler;
Second cooler is set to the back of above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room;
Second air blower blows the cold air of above-mentioned second cooler to above-mentioned cryogenic temperature band room or the second refrigerating temperature zone Room;And
Second wind path flows through above-mentioned cryogenic temperature band room or above-mentioned second refrigerating temperature zone room from above-mentioned second cooler and returns Above-mentioned second cooler is returned,
Above-mentioned refrigerator is characterized in that,
The delivery outlet of the mainstream cold air of above-mentioned first wind path compares the shelf of the top layer set on above-mentioned first refrigerating temperature zone room It is only located at top.
8. refrigerator according to claim 6 or 7, which is characterized in that
In the cooling operating of above-mentioned refrigerator, the driving time of the driving time of above-mentioned first air blower than above-mentioned second air blower It is long.
9. refrigerator according to claim 6 or 7, which is characterized in that
In cooling operating, the temperature of above-mentioned first cooler is higher than the temperature of above-mentioned second cooler.
10. refrigerator according to claim 6 or 7, which is characterized in that
In the cooling operating of above-mentioned refrigerator, pass through the temperature for flowing into air and flowing out air in the air of above-mentioned first cooler Difference is smaller than the temperature difference for flowing into air with flowing out air in the air by above-mentioned second cooler.
CN201811032563.3A 2018-02-06 2018-09-05 Refrigerator Pending CN110118461A (en)

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JP2018018780A JP2019138481A (en) 2018-02-06 2018-02-06 refrigerator
JP2018-018780 2018-02-06
JP2018-018779 2018-02-06
JP2018018779A JP2019138480A (en) 2018-02-06 2018-02-06 refrigerator

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CN113251719A (en) * 2020-02-07 2021-08-13 日立环球生活方案株式会社 Refrigerator with a door

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