CN110131958A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN110131958A CN110131958A CN201811030607.9A CN201811030607A CN110131958A CN 110131958 A CN110131958 A CN 110131958A CN 201811030607 A CN201811030607 A CN 201811030607A CN 110131958 A CN110131958 A CN 110131958A
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- refrigerant
- evaporator
- room
- refrigerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides the space saving for realizing Machine Room and the refrigerator for inhibiting noise.Refrigerator has refrigerating temperature zone room, cryogenic temperature band room, the insulation partition wall of refrigerated temperature band room and cryogenic temperature band room, spray the compressor of refrigerant, and the heat of refrigerant is made to be dispersed into the radiator of outside air, it is also equipped with the first evaporator to absorb heat out of refrigerating temperature zone room, the first gas-liquid separator for preventing the liquid refrigerant from the refrigerant that the first evaporator flows out from flowing into compressor, the second evaporator to absorb heat out of cryogenic temperature band room, the second gas-liquid separator for preventing the liquid refrigerant from the refrigerant that the second evaporator flows out from flowing into compressor, and the refrigerant merging part of the connection refrigerant from the first gas-liquid separator and the refrigerant from the second gas-liquid separator, being embedded in heat-insulating material flows refrigerant from the second gas-liquid separator to refrigerant merging part side, not from refrigerant The check-valves that merging part is flowed to the second gas-liquid separator side.
Description
Technical field
The present invention relates to refrigerators.
Background technique
Now, the structure as the refrigerating cycle of refrigerator, there are following refrigerators: being connected in parallel for cooling down refrigerated storage temperature
The freezing evaporator of the refrigeration evaporator of the storeroom of band and the cooling storeroom including cryogenic temperature band, according to time sequence
Column are alternately to cool down storeroom.In such refrigerator, generally, freezing is cold with the pressure ratio of evaporator (such as -25 DEG C)
Hiding is low with the pressure of evaporator (such as -10 DEG C), so that refrigerant is easy inverse to freezing evaporator in terms of the relationship of pressure
Stream.Therefore, check-valves is arranged by the refrigerating cycle in freezing vaporizer side, to prevent the adverse current of refrigerant.For example, special
In sharp document 1, the setting position of check-valves is set to the Machine Room on the outside of body of thermal insulating box.
Existing technical literature
Patent document 1: No. 3696064 bulletins of Japanese Patent No.
However, when check-valves is not vertically arranged, effect becomes smaller, at this if being set to Machine Room as described above
In characteristic, there is the problem of space of Machine Room becomes larger.Also, since a part of check-valves is formed as path, so having from only
Return the problem of valve makes a sound.
Summary of the invention
The purpose of the present invention is to provide realize the space saving of Machine Room and inhibit the refrigerator of noise.
The refrigerator of the invention completed in view of the above subject have refrigerating temperature zone room, cryogenic temperature band room, will be above-mentioned
Separated between refrigerating temperature zone room and above-mentioned cryogenic temperature band room insulation partition wall, spray refrigerant compressor and
The heat of refrigerant is set to be dispersed into the radiator of outside air, above-mentioned refrigerator is also equipped with: the first capillary for depressurizing refrigerant；
The first evaporator to absorb heat out of above-mentioned refrigerating temperature zone room；It is back to the refrigerant flowed out from above-mentioned first evaporator above-mentioned
First suction pipe of compressor；Prevent the liquid refrigerant from the refrigerant that above-mentioned first evaporator flows out to above-mentioned compressor stream
The first gas-liquid separator entered；The second capillary for depressurizing refrigerant；Second to absorb heat out of above-mentioned cryogenic temperature band room is steamed
Send out device；The refrigerant flowed out from above-mentioned second evaporator is set to be back to the second suction pipe of above-mentioned compressor；It prevents from above-mentioned second
The second gas-liquid separator that liquid refrigerant in the refrigerant of evaporator outflow is flowed into above-mentioned compressor；And connection comes from
The refrigerant merging part of the refrigerant of above-mentioned first gas-liquid separator and the refrigerant from above-mentioned second gas-liquid separator, upper
It states in refrigerator, check-valves is embedded in heat-insulating material, which makes refrigerant from above-mentioned second gas-liquid separator to above-mentioned
The flowing of refrigerant merging part side, and flow refrigerant from above-mentioned refrigerant merging part to above-mentioned second gas-liquid separator side.
The effect of invention is as follows.
According to the present invention, it is possible to provide realize the space saving of Machine Room and inhibit the refrigerator of noise.
Detailed description of the invention
Fig. 1 is the main view of the refrigerator of embodiment.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the B-B cross-sectional view of Fig. 2.
Fig. 4 is the schematic diagram for showing the refrigerating cycle structure in the refrigerator of embodiment.
Fig. 5 is the C-C cross-sectional view of Fig. 2.
Fig. 6 is the example of the temperature of the suction pipe in the refrigerator of embodiment.
The explanation of symbol
1-refrigerator, 2-refrigerating chambers, 2a, 2b-refrigerating-chamber door, 3-ice-making compartments, 4-upper layer freezing chambers, 5-lower layers are cold
Freeze room, 3a, 4a, 5a-refrigerating chamber door, 6-vegetable compartments, 6a-vegetable compartment door, 7-freezing chambers (3,4,5 general designations), 8a-R steaming
It sends out device room (refrigeration evaporator room), 8b-F evaporator room (freezing evaporator room), 9a-R fan (refrigeration fan),
9b-F fan (freezing fan), 10-body of thermal insulating box, the interior case of 10a-outer container, 10b-, 11-refrigerating chamber wind paths, 11a-
Refrigerating chamber ejiction opening, 12-freezing chamber wind paths, 12a-freezing chamber ejiction opening, 14a-R evaporator (refrigeration evaporator),
14b-F evaporator (freezing evaporator), 15a, 15b-refrigerating chamber return port, 16-door hinge chain guards, 17-freezing chambers return
Mouthful, 18-vegetable compartments return wind path, 18a-vegetable compartment return port, 21-pharoids, 22a, 22b-discharge outlet, 23a,
23b-chute, 24-compressors, 27a-R drainpipe, 27b-F drainpipe, 28,29,30-insulation partition walls, 31-controls
Substrate, 32-evaporating dishes, 35-chilled rooms, 39-Machine Rooms, 40a-R evaporator temperature sensor, 40b-F evaporator temperature
Degree sensor, 41-refrigerator temperature sensors, 42-freezer temperature sensors, 43-vegetable compartment temperature sensors, 45-
Chute temperature sensor, 50a, 50b-radiator, 51-driers, 52-triple valves (refrigerant control mechanism), 53a-is cold
Capillary (mechanism of decompressor) is used in hiding, 53b-freezing capillary (mechanism of decompressor), 54a-refrigeration gas-liquid separator, 54b-
Freezing gas-liquid separator, 55a-refrigeration suction pipe, 55b-freezing suction pipe, 56-check-valves, 57-refrigerants interflow
Portion, 58-vegetable compartment cooling air ducts, 59a, 59b-heat exchanging part, 101-chute portion heaters, the heating of 102-drainpipe tops
Device, 103-drainpipe lower heaters.
Specific embodiment
Hereinafter, being illustrated to the refrigerator of implementation of the invention.Fig. 1 is the main view of the refrigerator of embodiment, and Fig. 2 is Fig. 1
A-A cross-sectional view, Fig. 3 is the B-B cross-sectional view of Fig. 2.The cabinet 10 of refrigerator 1 is set side by side from top according to refrigerating chamber 2, left and right
Ice-making compartment 3 and upper layer freezing chamber 4, lower layer's freezing chamber 5, vegetable compartment 6 sequentially have storeroom.It is each that refrigerator 1 has opening and closing
The door of the opening of a storeroom.These be opened and closed refrigerating chamber 2 opening left and right segmentation revolving refrigerating-chamber door 2a,
2b and respectively be opened and closed ice-making compartment 3, upper layer freezing chamber 4, lower layer's freezing chamber 5, vegetable compartment 6 opening drawer type ice-making compartment
Door 3a, upper layer refrigerating chamber door 4a, lower layer refrigerating chamber door 5a, vegetable compartment door 6a.Hereinafter, by ice-making compartment 3, upper layer freezing chamber 4, lower layer
Freezing chamber 5 is referred to as freezing chamber 7.
Freezing chamber 7 is that -18 DEG C or so of such as average out to of cryogenic temperature band (less than 0 DEG C) will be substantially set as in case
Storeroom, refrigerating chamber 2 and vegetable compartment will be set as refrigerating temperature zone (0 DEG C or more) in case, such as refrigerating chamber 2 is 4 DEG C of average out to
The storeroom of left and right, vegetable compartment is 7 DEG C of average out to or so of storeroom.
The operation portion 26 for carrying out the operation of the setting of the temperature in case is equipped in door 2a.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 hinge on top is covered by door hinge chain guard 16.
As shown in Fig. 2, filling with foam insulation materials (such as polyurathamc) carrys out shape between outer container 10a and interior case 10b
At cabinet 10, outside the case for separating refrigerator 1 using the cabinet 10 and in case.In cabinet 10, other than foamed thermal insulating also
Multiple vacuum heat insulation materials 25 are installed between the outer container 10a and plastic interior case 10b of steel plate.Upper layer freezing chamber
4 and ice-making compartment 3 separated with refrigerating chamber 2 by insulation partition wall 28, equally, lower layer's freezing chamber 5 and vegetable compartment 6 are by insulation partition wall
29 separate.Also, insulation point is equipped in the front side of each storeroom of ice-making compartment 3, upper layer freezing chamber 4 and lower layer's freezing chamber 5
Next door 30, in case the air in freezing chamber 7 is leaked out from the gap of door 3a, 4a, 5a to outside case and the air outside case is to each storeroom
Intrusion.
Be equipped on the inside of the case of door 2a, 2b of refrigerating chamber 2 multiple door compartment 33a, 33b, 33c and multiple shelf 34a,
34b, 34c, 34d, to be divided into multiple storage spaces.In freezing chamber 7 and vegetable compartment 6, have respectively with door 3a, 4a, 5a,
Ice-making compartment container (not shown) that 6a is integrally drawn out, upper layer freezing chamber container 4b, lower layer freezing chamber container 5b, vegetable compartment are held
Device 6b.
In the top of insulation partition wall 28, equipped with being set as the chilled room 35 lower than the temperature band of refrigerating chamber 2.The chilled room
(do not scheme for example, by the control and the heater in insulation partition wall 28 of aftermentioned R evaporator 14a and R fan 9a
Show), allow hand over for example, about -3~0 DEG C of mould of for example, about 0~3 DEG C of the mode and cryogenic temperature band for refrigerating temperature zone
Formula.
Use what the R evaporator 14a of evaporator was arranged in that the substantially back of refrigerating chamber 2 has to use as refrigeration as refrigeration
In the R evaporator room 8a of evaporator room.It is exchanged heat with R evaporator 14a and becomes the air of low temperature by being set to R evaporator 14a
The R fan 9a as refrigeration fan of top be delivered to refrigerating chamber 2 via refrigerating chamber wind path 11, refrigerating chamber ejiction opening 11a,
To being cooled down in refrigerating chamber 2.The air for being delivered to refrigerating chamber 2 is steamed from refrigerating chamber return port 15a and 15b (referring to Fig. 3) to R
It sends out device room 8a to return, and cooling by R evaporator 14a again.
Use what the F evaporator 14b of evaporator was arranged in that the substantially back of freezing chamber 7 has to use as freezing as freezing
In the F evaporator room 8b of evaporator room.It is exchanged heat with F evaporator 14b and becomes the air of low temperature by being set to F evaporator 14b
The F fan 9b as freezing fan of top be delivered to freezing chamber 7 via freezing chamber wind path 12, freezing chamber ejiction opening 12a,
To being cooled down in freezing chamber 7.The air for being delivered to freezing chamber 7 is returned from freezing chamber return port 17 to F evaporator room 8b, and again
It is secondary cooling by F evaporator 14b.
In the refrigerator 1 of the present embodiment, vegetable compartment 6 is also carried out using the air for becoming low temperature in F evaporator 14b cold
But.Become in F evaporator 14b the air of the F evaporator room 8b of low temperature by F fan 9b via vegetable compartment wind path (not shown),
Vegetable compartment air door (not shown) is delivered to vegetable compartment 6, to cooling down in vegetable compartment 6.The case where vegetable compartment 6 is in low temperature
Under, inhibit the cooling of vegetable compartment 6 by closing vegetable compartment air door.In addition, the air for being delivered to vegetable compartment 6 divides from insulation is set to
The cold air return 18a by vegetable compartment side in front of the lower part in next door 29 is via vegetable chamber cold air return duct 18 to F evaporator
The lower part of room 8b returns.
Refrigerating chamber 2, freezing chamber 7, vegetable compartment 6 case in back side be respectively equipped with refrigerator temperature sensor 41, freezing
Room temperature sensor 42, vegetable compartment temperature sensor 43, and R evaporator temperature sensor is equipped on the top of R evaporator 14a
40a is equipped with F evaporator temperature sensor 40b on the top of F evaporator 14b, refrigerating chamber 2, cold is detected using the sensor
Freeze room 7, vegetable compartment 6, the temperature of R evaporator 14a and F evaporator 14b.Also, the door hinge chain guard 16 at the top of refrigerator 1
Inside be equipped with the temperature of detection outside air (case outer air), the external air temperature sensor of humidity 37.As other biographies
Sensor is additionally provided with and detects the door sensor (not shown) of the open and-shut mode of door 2a, 2b, 3a, 4a, 5a, 6a respectively, as aftermentioned
Lattice temperature sensor 100 of lattice temperature testing organization etc..
As shown in FIG. 2 and 3, the Defrost heater 21 of heating F evaporator 14b is equipped in the lower part of F evaporator room 8b.
Defrost heater 21 is, for example, the electric heater of 50W~200W, is the pharoid of 150W in the present embodiment.It is evaporated in F
The defrosted water (thawing water) generated when the defrosting of device 14b is fallen to the chute 23b of lower part set on F evaporator room 8b, after pass through
It is discharged from discharge outlet 22b, F drainpipe 27b to the evaporating dish 32 on the top for being set to compressor 24.
Also, the defrosted water generated in the defrosting of R evaporator 14a to set on R evaporator room 8a lower part chute 23a
It falls, and is discharged via discharge outlet 22a, R drainpipe 27a to the evaporating dish 32 on the top for being set to compressor 24, below to this
It is middle to be illustrated using Defrost method of the Fig. 3 to R evaporator 14a.
Add as shown in figure 3, being equipped with the chute for melting defrosted water when the defrosted water at chute 23a is freezed in chute 23a
Hot device 101.Drainpipe upper portion heater 102 and drainpipe lower heater 103 are equipped in R drainpipe 27a.Also, it is flowing
The final water collecting part of slot 23a and chute temperature sensor for detecting residual the presence or absence of water is embedded with inside heat-insulating material
45.Chute sensor 45 is embedded in polyurathamc heat-insulating material, is thus configured to avoid generating because of dripping for water durable
Property reduce.Also, chute sensor 45 is configured at the final water collecting part of chute 23a, is thus configured to relative to a small amount of residual
Water reacts.The control to residual water is described below.Convective tank heater 101, sparge pipe upper portion heater 102 or
The energization of water distribution lower heater 103 is controlled.In addition, each heater 101,102,103 be, for example, power consumption be 20W with
Lower and lower than the power consumption of Defrost heater 21 power consumption electric heater, in the present embodiment, chute heater 101 is 6W
Heater, drainpipe upper portion heater 102 are the heaters of 3W, and drainpipe lower heater 103 is the heater of 1W.
Fig. 4 is the figure for showing the structure of R drainpipe 27a.201,202 in figure show it is identical as shown in Fig. 3 201,202
Height and position, range 201 indicates the altitude range of freezing chamber 7 and F evaporator room 8b, and range 202 indicates to separate from insulation
Altitude range until wall 28 to the lower end of insulation partition wall 29.
The top of R drainpipe 27a is to use evaporator room 8 and from discharge outlet 22a outside far from freezing chamber 7 and freezing
The mode of the side case 10a is obliquely arranged downward outward, and is equipped with drainpipe upper portion heater 102 in the section.Its
Lower part is substantially set near outer container 10a, and drainpipe lower heater 103 is arranged up to the insulation partition wall 29 in the section
Lower end.The R drainpipe 27a of its underpart (leaning on lower part than insulation partition wall 29) is in a manner of being discharged defrosted water to evaporating dish 32
It tilts inwardly.In addition, in the present embodiment, drainpipe upper portion heater 102 and drainpipe lower heater 103 are using leading
The higher aluminum seals of heating rate and be fixed on R drainpipe 27a, even the position of non-Direct Contact Heating line as a result, also constitute
For that can be heated using thermally conductive caused by aluminum seals.
By the way that drainpipe upper portion heater 102 and drainpipe lower heater 103 are arranged as described above, thus drainpipe
The upper end of upper portion heater 102 and drainpipe lower heater 103 is arranged to the position higher than the upper end of range 201, and under
The end setting extremely position lower than the lower end of range 201.Since the R drainpipe 27a in range 201 is frozen the freezing of temperature band
Room 7 and F evaporator room 8b are cooling, so becoming zubzero temperature in R drainpipe 27a, possible defrosted water is in R drainpipe 27a
Freeze.On the other hand, by the way that drainpipe upper portion heater 102 and drainpipe lower heater 103 is arranged in range 201, in water
It can also be allowed to melt in the case where having freezed in drainpipe, it can be from R drainpipe 27a to evaporating dish 32 (referring to Fig. 3)
Draining.
In addition, the upper end of drainpipe upper portion heater 102 is set to the upper end of range 202 on an equal basis or than range 202
The high position in upper end, the lower end of drainpipe lower heater 103 are set to the lower end of range 202 on an equal basis or than range 202
The low position in lower end.It is insulated partition wall 28 and is insulated the freezing chamber 7 and F evaporator room 8b of partition wall 29 and cryogenic temperature band
Contact becomes zubzero temperature at least partially.Therefore, it is insulated partition wall 28 and is insulated the R row of the altitude range of partition wall 29
It may also become zubzero temperature in water pipe 27a, but pass through setting drainpipe upper portion heater 102 and drainpipe lower heater
103 until with the same above range of range 202, so as to more reliably from R drainpipe 27a to evaporating dish 32 (referring to figure
3) it drains.In addition, in R drainpipe 27a insulation partition wall 28 inside position be easy directly be adiabatic partition wall 28 cool down and
Become low temperature, to be especially effective in position setting drainpipe upper portion heater 102.
Herein, it is configured to as shown in Figure 2 and Figure 3, in chute 23a, if driving R fan 9a, flows from refrigerating chamber 2
The returning air returned to refrigerator evaporator 14a.Due to driving R fan in the defrosting operating of aftermentioned R evaporator 14a
9a, so can be heated using the returning air convective tank 23a of the temperature above freezing.Thereby, it is possible to inhibit at chute 23a
Defrosted water is freezed, and even if is also able to suppress adding for chute heater 101 required for melting in the case where having freezed
Heat, so as to improve energy-efficient performance.
Also, the lower part drainpipe 27a (position equipped with drainpipe lower heater 103) is evaporated than freezing chamber 7 and F
Device room 8b is closer to outer container 10a.As a result, especially in outside air high temperature, can via outer container 10a and utilize outside air into
Row heating, so as to inhibit to freeze at the lower part drainpipe 27a, and even if is also able to suppress in the case where having freezed
The heating amount of drainpipe lower heater 103, so as to improve energy-efficient performance.It on the other hand, is low temperature in outside air
In the case of, can heating drain pipe lower heater 103 defrosted water is reliably discharged.In addition to this, due to R drainpipe 27a
For about 0 DEG C of defrosting water flowing, so the outer container 10a close with R drainpipe 27a is defrosted water cooling, so as to become to compare
The low temperature of dew-point temperature, but by setting drainpipe lower heater 103, in the case where outside air is high humidity, rear
It is powered to drainpipe lower heater 103 when the defrosting of R first operating and the defrosting operating of R second stated to inhibit the temperature of outer container 10a
Degree reduces, so as to inhibit the moisture condensation on outer container 10a.
On the top (referring to Fig. 2) of refrigerator 1, configured with equipped with a part as control device CPU, ROM or
The control base board 31 of the memories such as RAM, interface circuit etc..Control base board 31 and refrigerator temperature sensor 41, freezer temperature
Sensor 42, vegetable compartment temperature sensor 43, evaporator temperature sensor 40a, 40b etc. connection, above-mentioned CPU based on they
Output valve, the setting of operation portion 26, the program being previously recorded in above-mentioned ROM etc., it is Lai Jinhang compressor 24, R fan 9a, cold
Hiding fan 9b, above-mentioned each heater 21,101,102,103 and control of aftermentioned refrigerant control 52 etc..
Fig. 4 is the refrigerating cycle (refrigerant flow path) of the refrigerator of embodiment.In the refrigerator 1 of the present embodiment, has compression
Machine 24 is insulated as radiator 50a outside the case of the cooling mechanism for the heat dissipation for carrying out refrigerant and heat-loss at wall piping 50b, inhibition
The anti-condensation of the moisture condensation of the front face of partition wall 28,29,30 is piped 50c, as the refrigeration for the mechanism of decompressor for depressurizing refrigerant
With capillary 53a and freezing with capillary 53b, the air in refrigerant and case is made to be exchanged heat come the R of the heat in suction box
The refrigeration that evaporator 14a and F evaporator 14b and refrigeration are exchanged heat with capillary 53a with suction pipe 55a and with freezing hair
The freezing that tubule 53b exchanges heat suction pipe 55b, and using above-mentioned component to being cooled down in case.Also, has removing freezing
The drier 51 of moisture in circulation and gas-liquid separator 54a, the 54b for preventing liquid refrigerant from flowing into compressor 24, and
It is also equipped with the triple valve 52, check-valves 56 and the refrigerant merging part 57 of connection refrigerant flowing of control refrigerant flow path, is led to
It crosses and connects above-mentioned component using refrigerant piping to constitute refrigerating cycle.In addition, the refrigerant use of the refrigerator 1 of the present embodiment can
The iso-butane of combustion property refrigerant.Also, the compressor 24 of the present embodiment can have inverter to change rotation speed.Refrigeration is used
Capillary 53a and refrigeration are carried out solder brazing or solder with suction pipe 55a and form such heat exchanging part that can mutually exchange heat
59a, freezing capillary 53b and freezing suction pipe 55b similarly form such heat exchanging part 59b that can exchange heat.
Triple valve 52 is the component for having two outfluxes shown in 52a, 52b, has to flow to the side outflux 52a and make
The refrigeration mode of cryogen and the frozen mode that refrigerant is flowed to the side outflux 52b, and allow hand over above two mode.And
And the triple valve 52 of the present embodiment is also equipped with not to the fully closed or equal of outflux 52a and outflux 52b flowing refrigerant
The mode of the standard-sized sheet of refrigerant is flowed, and is also allowed hand over to both modes.
In the refrigerator 1 of the present embodiment, refrigerant flows as follows.The refrigerant sprayed from compressor 24 is successively dissipated to outside case
The outer radiator 50b of hot device 50a, case, anti-condensation piping 50c, drier 51 flow, and reach triple valve 52 later.Triple valve 52
Outflux 52a is connect via refrigerant piping and with refrigeration with capillary 53a, and outflux 52b via refrigerant piping and
It is connect with freezing with capillary 53b.
If refrigerant is flowed to the side outflux 52a, the refrigerant flowed out from outflux 52a successively flows to refrigeration capillary
Pipe 53a, R evaporator 14a, gas-liquid separator 54a, refrigeration suction pipe 55a, refrigerant merging part 57, are back to compressor later
24.R evaporator 14a is flowed through with the refrigerant for becoming low-pressure low-temperature in capillary 53a in refrigeration, so that R evaporator 14a becomes low
Temperature can cool down the air of R evaporator room 8a, can cool down refrigerating chamber 2.
Also, by triple valve 52 be set as refrigerant to the side outflux 52b flow in the case where, from outflux 52b flow out
Refrigerant successively flow to freezing capillary 53b, F evaporator 14b, gas-liquid separator 54b, refrigeration suction pipe 55a, non-return
Valve 56, refrigerant merging part 57, are back to compressor 24 later.Check-valves 56, which is matched, to be set as making refrigerant from gas-liquid separator 54b
It flows to 55 side of refrigerant merging part, but is flowed not from refrigerant merging part 55 to the side gas-liquid separator 54b.In freezing capillary
The refrigerant for becoming low-pressure low-temperature in pipe 53b flows through F evaporator 14b, so that F evaporator 14b becomes low temperature, can cool down R steaming
The air for sending out device room 8a, can cool down freezing chamber 7.
Fig. 5 is the C-C cross-sectional view of Fig. 1, and the suction pipe 55a, 55b, check-valves 56 and insulation for showing the refrigerator of embodiment separate
The positional relationship of wall 28,29.Refrigeration suction pipe 55a, which matches to be set as increasing generally in a horizontal direction at the back side of R evaporator 14a, to be had
Effect heat exchange length, and pass through insulation partition wall 28.Herein, in the present embodiment, the arranging at the back side of partition wall 28 will be insulated
Be set as minimum limit, if but be not insulated thickness, be insulated partition wall 28 construction interference, preferably in the temperature difference with suction pipe
The back side of less refrigerating chamber 2, insulation partition wall 28 increases effectively heat exchange length (extending path) generally in a horizontal direction.It
Afterwards, the back side of freezing chamber 7 is substantially arranged vertically until being insulated the back side of partition wall 29, vegetable compartment 6.For freezing chamber
For the arranging at 7 back side, refrigeration is larger with suction pipe 55a and the temperature difference of freezing chamber 7, leads to the drop of the heat exchange property of suction pipe
Low, freezing chamber 7 heating, so that it is effective for minimally inhibiting (not extending path).In the present embodiment, with suction pipe
The back side of the less vegetable compartment 6 of temperature difference increase effectively heat exchange length (extending path), but can also be in insulation partition wall 29
The back side increase (extend path).Especially, closer to the downstream of suction pipe, then temperature is higher, and heating efficiency increases, to if match
Set on the position of desired heating, then effective effect can be obtained.Freezing preferentially increases heat exchange length with suction pipe 55b as far as possible and (extends
Path).But the suction pipe downstream portion for becoming high temperature is disposed in the back side of insulation partition wall 29.Later, it is arrived by check-valves 56
Up to refrigerant merging part 57.
Herein, by the way that check-valves 56 to be accommodated in the inside of polyurathamc heat-insulating material, the refrigerant of Machine Room 39 is matched
The assembly of pipe becomes simply, so as to realize mechanical indoor space saving in the height direction, and to improve workability.
Also, the opening and closing sound etc. for being also able to suppress valve caused by check-valves 56.In order to inhibit the sound of check-valves 56, not make non-return
It is also effective that the measures such as padded coaming, which are arranged, in the mode that valve 56 is contacted with wall surface.Check-valves 56 sometimes because manufacture when heat affecting
And failure is generated, but as long as paying attention to thermic load, failure would not be generated.Also, due to the feelings for generating failure when customer uses
Condition is extremely rare, so the maintainability that is difficult to give priority to is the larger advantage in manufacture.In addition, due to the non-return of the present embodiment
The cylindrical shape of valve 56, by being stowed in the inside of polyurathamc heat-insulating material, thus even if by blow pressure,
It is difficult to deform.
Fig. 6 shows the relative length (length from evaporator outlet/from evaporator outlet to compressor of suction pipe 55a, 55b
Overall length) relationship with the temperature of suction pipe 55a, 55b.In addition, the refrigerator operating condition of Fig. 6 is no load condition, outside air
Temperature is 30 DEG C.The temperature of suction pipe 55a, 55b are downstream flowed because of the heat exchange with capillary 53a, 53b with from evaporator outlet
It moves and rises, if reaching refrigerant merging part 57, become inlet temperature, that is, external air temperature close to capillary 53a, 53b
Temperature band.Therefore, it is embedded in suction pipe 55a, 55b inside heat-insulating material to radiate to the refrigerator 1 cooled, to avoid freezing
The back part of room 7, especially F evaporator 14b the back side be effective.On the other hand, if being intended to be set as such configuration, nothing
Method sufficiently obtains the heat exchange length (heat exchanging part that suction pipe 55a, 55b and capillary 53a, 53b exchange heat of suction pipe 55a, 55b
The length of 59a, 59b), to damage cooling Power sometimes and lead to the deterioration of energy saving.Therefore, by insulation partition wall 28,
29 back side obtains the length of suction pipe 55a, 55b, can effectively improve the performance of refrigerator and suction pipe.In addition, refrigerator
Performance refers to cooling capacity and energy-efficient performance, the performance of suction pipe refer to exchange capability of heat in the state of insulation completely with it is actual
The ratio of exchange capability of heat.
As shown in figure 5, for refrigeration is with suction pipe 55a, due to the temperature of the temperature (such as -10 DEG C) of R evaporator 14a
The temperature spent than F evaporator 14b (such as -25 DEG C) is high, so avoiding low temperature portion at all sites from entrance to outlet is
Effectively.On the other hand, in the centre of the ratio overall length of heat exchanging part 59a, 59b until from evaporator 14a, 14b to compressor 24
Position is up to 15 DEG C or so closer to the side of compressor 24, the temperature of suction pipe 55a, 55b, to avoid the freezing chamber back side as far as possible
And the back side evaporator 14b F is effective to constitute.Especially, in the heat exchanging part until from evaporator 14a to compressor 24
The centre of the ratio overall length of 59a passes through compared with through the length at the back side of cryogenic temperature band room closer to the side of compressor 24
The length for being insulated the back side of partition wall and the back side of refrigerating temperature zone room is longer, to obtain higher effect.In addition, can also
To come total by the back side of chute 23b, F drainpipe 27b for the defrosted water that the high-temperature portion is embedded in discharge F evaporator 14b
It is to be heated, for inhibiting drainpipe to freeze.
Also, the cooling that vegetable compartment 6 in the present embodiment, is carried out by F evaporator 14b, thus temporarily in vegetable compartment 6
The wall surface of case 10b is cooled down.In this case, knot is generated because of vegetable compartment 6 and the temperature difference of room temperature (such as 6 DEG C) sometimes
Dew.As shown in this embodiment, by be set as vegetable compartment cooling air duct 58, suction pipe 55a, 55b, refrigerant merging part 57 structure,
Wall surface heating can be carried out using suction pipe, so as to inhibit to condense.For the downstream temperature of check-valves 56, due to temperature
Independently rise with the cooling operating of freezing chamber, the cooling operating of refrigerating chamber, so so that the downstream side of check-valves 56 becomes vegetable compartment 6
It is effective that the mode of the wall portion at the back side, which configures,.But because suction pipe 55a, 55b are to F drainpipe 27b or vegetable compartment cooling wind
The wall surface for the vegetable compartment 6 that road 58 is cooled down is heated, the reduced performance of suction pipe, and if the suction pipe of Machine Room temperature excessively
Lower than external air temperature, then the generation probability of pipe moisture condensation increases, to need to be adjusted according to the heat exchange length etc. of suction pipe.
In addition, in the present embodiment, check-valves 56 is not buried at the back side of F evaporator 14b, from the outlet of F evaporator 14b
Piping (heat exchanging part 59b) length until check-valves 56 is also than the piping (heat exchanging part until from check-valves 56 to compressor 24
59b) length is long, so as to minimally inhibit heat to the influence in case.
It is the embodiment for showing present embodiment example above.In addition, the present invention is not limited to the above embodiments, including it is each
Kind variation.For example, the above embodiments are for easy understanding to illustrate the present invention and be described in detail, and it is non-limiting
All structures illustrated by having.Also, a part of the structure for embodiment, be able to carry out other structures addition,
It deletes, displacement.
Claims (10)
1. a kind of refrigerator, there is refrigerating temperature zone room, cryogenic temperature band room, by above-mentioned refrigerating temperature zone room and above-mentioned cryogenic temperature
With the insulation partition wall separated between room, sprays the compressor of refrigerant and the heat of refrigerant is made to be dispersed into external sky
The radiator of gas,
Above-mentioned refrigerator is also equipped with:
The first capillary for depressurizing refrigerant；
The first evaporator to absorb heat out of above-mentioned refrigerating temperature zone room；
The refrigerant flowed out from above-mentioned first evaporator is set to be back to the first suction pipe of above-mentioned compressor；
The first gas-liquid for preventing the liquid refrigerant from the refrigerant that above-mentioned first evaporator flows out from flowing into above-mentioned compressor
Separator；
The second capillary for depressurizing refrigerant；
The second evaporator to absorb heat out of above-mentioned cryogenic temperature band room；
The refrigerant flowed out from above-mentioned second evaporator is set to be back to the second suction pipe of above-mentioned compressor；
The second gas-liquid for preventing the liquid refrigerant from the refrigerant that above-mentioned second evaporator flows out from flowing into above-mentioned compressor
Separator；And
Connect the refrigeration of the refrigerant from above-mentioned first gas-liquid separator and the refrigerant from above-mentioned second gas-liquid separator
Agent merging part,
Above-mentioned refrigerator is characterized in that,
Check-valves is embedded in heat-insulating material, which makes refrigerant from above-mentioned second gas-liquid separator to above-mentioned refrigerant
The flowing of merging part side, and flow refrigerant from above-mentioned refrigerant merging part to above-mentioned second gas-liquid separator side.
2. refrigerator according to claim 1, which is characterized in that
Piping length from above-mentioned second evaporator to above-mentioned check-valves is than matching pipe range from above-mentioned check-valves to above-mentioned compressor
Degree length.
3. refrigerator according to claim 1, which is characterized in that
Above-mentioned check-valves is not buried at the back side of above-mentioned second evaporator.
4. refrigerator according to any one of claims 1 to 3, which is characterized in that
The above-mentioned cylindrical shape of check-valves.
5. refrigerator according to any one of claims 1 to 4, which is characterized in that
For above-mentioned second evaporator not only to freezing chamber cool-air feed, the vegetable compartment supply also to the lower section for being located at above-mentioned freezing chamber is cold
Gas, the piping from above-mentioned check-valves to above-mentioned compressor are located at the back side of above-mentioned vegetable compartment.
6. a kind of refrigerator, there is refrigerating temperature zone room, cryogenic temperature band room, by above-mentioned refrigerating temperature zone room and above-mentioned cryogenic temperature
With the insulation partition wall separated between room, sprays the compressor of refrigerant and the heat of refrigerant is made to be dispersed into external sky
The radiator of gas,
Above-mentioned refrigerator is also equipped with:
The first capillary for depressurizing refrigerant；
The first evaporator to absorb heat out of above-mentioned refrigerating temperature zone room；
The refrigerant flowed out from above-mentioned first evaporator is set to be back to the first suction pipe of above-mentioned compressor；
The second capillary for depressurizing refrigerant；
The second evaporator to absorb heat out of above-mentioned cryogenic temperature band room；And
The refrigerant flowed out from above-mentioned second evaporator is set to be back to the second suction pipe of above-mentioned compressor,
Above-mentioned refrigerator is characterized in that,
It is more closer than the middle position of its overall length in the heat exchanging part for making above-mentioned first capillary and above-mentioned first suction pipe exchange heat
The side of above-mentioned compressor extends path at the back side of above-mentioned insulation partition wall or above-mentioned refrigerating temperature zone room.
7. refrigerator according to claim 6, which is characterized in that
Above-mentioned heat exchanging part does not extend path at the back side of above-mentioned cryogenic temperature band room.
8. a kind of refrigerator, there is refrigerating temperature zone room, cryogenic temperature band room, by above-mentioned refrigerating temperature zone room and above-mentioned cryogenic temperature
With the insulation partition wall separated between room, sprays the compressor of refrigerant and the heat of refrigerant is made to be dispersed into external sky
The radiator of gas,
Above-mentioned refrigerator is also equipped with:
The first capillary for depressurizing refrigerant；
The first evaporator to absorb heat out of above-mentioned refrigerating temperature zone room；
The refrigerant flowed out from above-mentioned first evaporator is set to be back to the first suction pipe of above-mentioned compressor；
The second capillary for depressurizing refrigerant；
The second evaporator to absorb heat out of above-mentioned cryogenic temperature band room；And
The refrigerant flowed out from above-mentioned second evaporator is set to be back to the second suction pipe of above-mentioned compressor,
Above-mentioned refrigerator is characterized in that,
It is more closer than the middle position of its overall length in the heat exchanging part for making above-mentioned first capillary and above-mentioned first suction pipe exchange heat
Only prolong generally in a horizontal direction at the back side of above-mentioned insulation partition wall or above-mentioned refrigerating temperature zone room the side of above-mentioned compressor
It is long.
9. a kind of refrigerator, there is refrigerating temperature zone room, cryogenic temperature band room, by above-mentioned refrigerating temperature zone room and above-mentioned cryogenic temperature
With the insulation partition wall separated between room, sprays the compressor of refrigerant and the heat of refrigerant is made to be dispersed into external sky
The radiator of gas,
Above-mentioned refrigerator is also equipped with:
The first capillary for depressurizing refrigerant；
The first evaporator to absorb heat out of above-mentioned refrigerating temperature zone room；
The refrigerant flowed out from above-mentioned first evaporator is set to be back to the first suction pipe of above-mentioned compressor；
The second capillary for depressurizing refrigerant；
The second evaporator to absorb heat out of above-mentioned cryogenic temperature band room；And
The refrigerant flowed out from above-mentioned second evaporator is set to be back to the second suction pipe of above-mentioned compressor,
Above-mentioned refrigerator is characterized in that,
It is more closer than the middle position of its overall length in the heat exchanging part for making above-mentioned first capillary and above-mentioned first suction pipe exchange heat
The side of above-mentioned compressor is passed through above-mentioned by above-mentioned insulation partition wall or the length ratio at the back side of above-mentioned refrigerating temperature zone room
The length at the back side of cryogenic temperature band room is long.
10. according to refrigerator described in any one of claim 6~9, which is characterized in that
Successively have from upper using above-mentioned first evaporator carry out cooling refrigerating chamber, using above-mentioned second evaporator carry out it is cold
But freezing chamber and cooling vegetable compartment is carried out using above-mentioned second evaporator, above-mentioned heat exchanging part is embedded in discharge above-mentioned the
The back part of the chute of the defrosted water of two evaporators.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-020654 | 2018-02-08 | ||
| JP2018-020656 | 2018-02-08 | ||
| JP2018020654A JP6934433B2 (en) | 2018-02-08 | 2018-02-08 | refrigerator |
| JP2018020656A JP2019138514A (en) | 2018-02-08 | 2018-02-08 | refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110131958A true CN110131958A (en) | 2019-08-16 |
Family
ID=67568378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811030607.9A Pending CN110131958A (en) | 2018-02-08 | 2018-09-05 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006431A (en) * | 2019-11-19 | 2020-04-14 | 长虹美菱股份有限公司 | Refrigeration device with ice fresh room |
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| JP2000121178A (en) * | 1998-10-15 | 2000-04-28 | Matsushita Refrig Co Ltd | Cooling cycle and refrigerator |
| JP2002071262A (en) * | 2000-08-24 | 2002-03-08 | Toshiba Corp | Refrigerator |
| JP2006064256A (en) * | 2004-08-26 | 2006-03-09 | Sanyo Electric Co Ltd | Refrigerator |
| CN101044360A (en) * | 2004-10-20 | 2007-09-26 | 松下电器产业株式会社 | Refrigerator |
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| JPH11311465A (en) * | 1998-04-28 | 1999-11-09 | Hitachi Ltd | Refrigerator |
| JP2000121178A (en) * | 1998-10-15 | 2000-04-28 | Matsushita Refrig Co Ltd | Cooling cycle and refrigerator |
| JP2002071262A (en) * | 2000-08-24 | 2002-03-08 | Toshiba Corp | Refrigerator |
| JP2006064256A (en) * | 2004-08-26 | 2006-03-09 | Sanyo Electric Co Ltd | Refrigerator |
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| CN111006431A (en) * | 2019-11-19 | 2020-04-14 | 长虹美菱股份有限公司 | Refrigeration device with ice fresh room |
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| CB02 | Change of applicant information |
Address after: Tokyo, Japan, Japan Applicant after: Hitachi Global Living Program Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Hitachi Household Electric Appliance Co. |
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