CN207716714U - A kind of three-circulation refrigerating system for refrigerator - Google Patents
A kind of three-circulation refrigerating system for refrigerator Download PDFInfo
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- CN207716714U CN207716714U CN201721876772.7U CN201721876772U CN207716714U CN 207716714 U CN207716714 U CN 207716714U CN 201721876772 U CN201721876772 U CN 201721876772U CN 207716714 U CN207716714 U CN 207716714U
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- valve
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- outlet
- refrigerator
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- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 235000013305 food Nutrition 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a kind of three-circulation refrigerating systems for refrigerator, it is related to technical field of refrigeration equipment, refrigerator is equipped with control unit, the first alternating temperature compartment, the second alternating temperature compartment and third alternating temperature compartment, compressor is set to refrigerator bottom rear, condenser inlet and outlet are connected with compressor outlet and device for drying and filtering entrance respectively, device for drying and filtering exports connection switching unit entrance, switch unit is connect with alternating temperature structure, it is controlled by described control unit, alternating temperature structure is connected to suction port of compressor and forms refrigerant circuit.Three alternating temperature compartments of the utility model are respectively equipped with three evaporators, and realize that the function that three compartments individually freeze, three compartments can realize the random conversion of 24 DEG C~8 DEG C refrigeration and freezing function by the switch unit of three outlets and four shut-off valves；The adjusting of distribution of refrigerant can be realized by adjusting the aperture of each shut-off valve, ensure that refrigerant feed liquid amount is sufficient when each compartment refrigeration, improves the refrigerating efficiency of refrigerator, reduces refrigerator power consumption.
Description
Technical field
The utility model is related to technical field of refrigeration equipment, and in particular to a kind of three-circulation refrigerating system for refrigerator.
Background technology
Refrigerator is a kind of refrigeration equipment keeping constant low temperature, be in life common one kind for low-temperature preservation food or
The electric appliance of other articles is widely used in life, industrial circle.With the development and improvement of living standard of scientific and technological level, band
There is the refrigerator of temperature-varying zone gradually to come into every household.Currently, the temperature-varying zone in refrigerator becomes only as a kind of additional function of refrigerator
The quantity and capacity of warm area are all very limited, and different food products and article are not fully identical suitable for the temperature of storage, single to become
Warm area is difficult to reasonably store food and article.Meanwhile with the increase of consumer's food and article amount of storage, little Rong
Long-pending temperature-varying zone has been difficult to meet the storage demand of consumer.
Utility model content
The utility model is provided and a kind of being used for refrigerator precisely in order to avoid above-mentioned existing deficiencies in the technology
Three-circulation refrigerating system.
The present invention is to solve technical problem to adopt the following technical scheme that：A kind of three-circulation refrigerating system for refrigerator, institute
It states refrigerator and is equipped with control unit, the first alternating temperature compartment, the second alternating temperature compartment and third alternating temperature compartment：Compressor is set to the refrigerator
Bottom rear, condenser inlet and outlet are connected with the compressor outlet and device for drying and filtering entrance respectively, described dried
Filter outlets connection switching unit entrance；
The switch unit set there are three outlet, respectively with the first capillary, the second capillary and third capillary inlet
Connection, the first evaporator, the second evaporator and third evaporator inlet respectively with first capillary, second capillary
It is connected with the third capillary outlet；First cut-off valve inlet and first evaporator and the second evaporator outlet phase
Even, the second cut-off valve inlet is connected with second capillary outlet, and outlet is steamed with first shut-off valve and the third
Hair device outlet is connected in parallel to third cut-off valve inlet, the 4th cut-off valve inlet is connected with the third capillary outlet, export and
The third cut-off valve outlet is connected in parallel to the suction port of compressor and forms refrigerant circuit；
Described control unit is used to control opening and closing and first shut-off valve, described second of the switch unit entrance
The break-make of shut-off valve, the third shut-off valve and the 4th shut-off valve.
Further, first evaporator, second evaporator and the third evaporator are respectively arranged at described
First alternating temperature compartment, the second alternating temperature compartment and the indoor back of third alternating temperature.
Further, first shut-off valve, second shut-off valve, the third shut-off valve and the 4th shut-off valve
In it is at least one in the open state during the refrigeration for refrigerator.
Further, the switch unit is solenoid valve.
The utility model provides a kind of three-circulation refrigerating system for refrigerator, has the advantages that：
1, three alternating temperature compartments are respectively equipped with three evaporators, and pass through the switch unit and four shut-off valve realities of three outlets
The function that existing three compartments individually freeze, three compartments can realize -24 DEG C~8 DEG C refrigerations and freezing function, and three
It arbitrarily can mutually turn between a compartment, can more meet individual demand of the user for warm area；
2, the adjusting of distribution of refrigerant can be realized by adjusting the aperture of each shut-off valve, ensure refrigerant when each compartment refrigeration
Liquid supply rate is sufficient, improves the refrigerating efficiency of refrigerator, reduces refrigerator power consumption；
3, the volume of alternating temperature compartment, position are unrestricted, convenient for being configured according to the actual needs of client, can more cater to
Consumer demand.
Description of the drawings
Fig. 1 is the attachment structure schematic diagram of the utility model.
In figure：
1, compressor；2, condenser；3, device for drying and filtering；4, switch unit；51, the first capillary, the 52, second capillary
Pipe, 53, third capillary；61, the first evaporator, the 62, second evaporator, 63, third evaporator；71, the first shut-off valve, 72,
Second shut-off valve, 73, third shut-off valve, the 74, the 4th shut-off valve；8, the first alternating temperature compartment；9, the second alternating temperature compartment；10, third
Alternating temperature compartment.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described implementation
Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that those of ordinary skill is obtained without creative efforts, belongs to the utility model
The range of protection.
As shown in Figure 1, its structural relation is：Refrigerator is equipped with control unit, the first alternating temperature compartment 8,9 and of the second alternating temperature compartment
Third alternating temperature compartment 10, compressor 1 are set to refrigerator bottom rear, and 2 entrance and exit of condenser is exported and done with compressor 1 respectively
3 entrance of dry filter is connected, and device for drying and filtering 3 exports 4 entrance of connection switching unit；
Switch unit 4 is set there are three outlet, is entered respectively with the first capillary 51, the second capillary 52 and third capillary 53
Mouthful connection, the first evaporator 61, the second evaporator 62 and 63 entrance of third evaporator respectively with the first capillary 51, the second capillary
Pipe 52 is connected with the outlet of third capillary 53；First shut-off valve, 71 entrance exports phase with the first evaporator 61 and the second evaporator 62
Even, 72 entrance of the second shut-off valve is connected with the outlet of the second capillary 52, outlet and the first shut-off valve 71 and third evaporator 63
Outlet is connected in parallel to 73 entrance of third shut-off valve, and 74 entrance of the 4th shut-off valve is connected with the outlet of third capillary 53, exports and the
The outlet of three shut-off valves 73 is connected in parallel to 1 entrance of compressor and forms refrigerant circuit；
Control unit is used to control opening and closing and the first shut-off valve 71, the second shut-off valve 72, the third of 4 entrance of switch unit
The break-make of shut-off valve 73 and the 4th shut-off valve 74.
Preferably, the first evaporator 61, the second evaporator 62 and third evaporator 63 are respectively arranged at the first alternating temperature compartment
8, back in the second alternating temperature compartment 9 and third alternating temperature compartment 10.
Preferably, at least one in the first shut-off valve 71, the second shut-off valve 72, third shut-off valve 73 and the 4th shut-off valve 74
It is in the open state during refrigeration for refrigerator.
Preferably, switch unit 4 is solenoid valve.
When specifically used, when the first alternating temperature compartment 8, the second alternating temperature compartment 9 and third alternating temperature compartment 10 freeze simultaneously, system
Cryogen passes sequentially through compressor 1, condenser 2, device for drying and filtering 3, first outlet of the switch unit 4 through switch unit 4 and enters the
After one capillary 51, end through the first evaporator 61, the second evaporator 62, the second shut-off valve 72, third evaporator 63 and the 4th
Valve 74 returns to compressor 1, forms complete refrigerant circuit.This first shut-off valve of process 71, third shut-off valve 73 and switching are single
The second outlet of member 4, third outlet remain off.
It requires or closes when the first alternating temperature compartment 8 reaches shutdown, and the second alternating temperature compartment 9 and third alternating temperature compartment 10 need
When continuing refrigeration, refrigerant passes sequentially through the of compressor 1, condenser 2, device for drying and filtering 3, switch unit 4 through switch unit 4
After two outlets enter the second capillary 52, through the second evaporator 62, the first shut-off valve 71, third evaporator 63, the 4th shut-off valve
74 return to compressor 1, form complete refrigerant circuit.This second shut-off valve of process 72, third shut-off valve 73 and switch unit 4
First outlet, third outlet remain off.
It requires or closes when the second alternating temperature compartment 9 reaches shutdown, and the first alternating temperature compartment 8 and third alternating temperature compartment 10 need
When continuing refrigeration, refrigerant passes sequentially through the of compressor 1, condenser 2, device for drying and filtering 3, switch unit 4 through switch unit
After one outlet enters the first capillary 51, through the first evaporator 61, the first shut-off valve 71, third evaporator 63, the 4th shut-off valve
74 return to compressor 1, form complete refrigerant circuit.This second shut-off valve of process 72, third shut-off valve 73 and switch unit 4
Second outlet, third outlet remain off.
It requires or closes when third alternating temperature compartment 10 reaches shutdown, and the first alternating temperature compartment 8 and the second alternating temperature compartment 9 need
When continuing refrigeration, refrigerant passes sequentially through the of compressor 1, condenser 2, device for drying and filtering 3, switch unit 4 through switch unit
After one outlet enters the first capillary 51, through the first evaporator 61, the second evaporator 62, the second shut-off valve 72, third shut-off valve
73 return to compressor 1, form complete refrigerant circuit.This process the second shut-off valve 72, the 4th shut-off valve 74 and switch unit 4
Second outlet, third outlet remain off.
When the first alternating temperature 8 separate refrigeration of compartment, refrigerant pass sequentially through compressor 1, condenser 2, device for drying and filtering 3,
Switch unit 4 through the first outlet of switch unit enter the first capillary 51 after, through the first evaporator 61, the first shut-off valve 71,
Third shut-off valve 73 returns to compressor 1, forms complete refrigerant circuit.This process the second shut-off valve 72, the 4th shut-off valve 74
It exports and remains off with second outlet, the third of switch unit 4.
When the second alternating temperature 9 separate refrigeration of compartment, refrigerant pass sequentially through compressor 1, condenser 2, device for drying and filtering 3,
Switch unit 4 through the second outlet of switch unit enter the second capillary 52 after, through the second evaporator 62, the first shut-off valve 71,
Third shut-off valve 73 returns to compressor 1, forms complete refrigerant circuit.This process the second shut-off valve 72, the 4th shut-off valve 74
It exports and remains off with first outlet, the third of switch unit 4.
When third alternating temperature 10 separate refrigeration of compartment, refrigerant pass sequentially through compressor 1, condenser 2, device for drying and filtering 3,
Switch unit 4 is after the outlet of the third of switch unit enters third capillary 53, through third evaporator 63, third shut-off valve 73
Compressor 1 is returned to, complete refrigerant circuit is formed.This process first shut-off valve 71, the second shut-off valve 72, third shut-off valve
73 and switch unit 4 second outlet, third outlet remain off.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (4)
1. a kind of three-circulation refrigerating system for refrigerator, the refrigerator is equipped with control unit, the first alternating temperature compartment (8), second
Alternating temperature compartment (9) and third alternating temperature compartment (10), it is characterised in that：Compressor (1) is set to the refrigerator bottom rear, condenser
(2) entrance and exit is connected with the compressor (1) outlet and device for drying and filtering (3) entrance respectively, the device for drying and filtering (3)
Export connection switching unit (4) entrance；
The switch unit (4) set there are three outlet, respectively with the first capillary (51), the second capillary (52) and third capillary
Manage the connection of (53) entrance, the first evaporator (61), the second evaporator (62) and third evaporator (63) entrance are respectively with described the
One capillary (51), second capillary (52) are connected with the third capillary (53) outlet；First shut-off valve (71) enters
It mouthful exports and to be connected with first evaporator (61) and second evaporator (62), the second shut-off valve (72) entrance and described the
Two capillaries (52) outlet is connected, and outlet is connected in parallel to first shut-off valve (71) and the third evaporator (63) outlet
Third shut-off valve (73) entrance, the 4th shut-off valve (74) entrance are connected with the third capillary (53) outlet, outlet and institute
Third shut-off valve (73) outlet is stated to be connected in parallel to the compressor (1) entrance and form refrigerant circuit；
Described control unit is used to control the opening and closing of the switch unit (4) entrance and first shut-off valve (71), described
The break-make of second shut-off valve (72), the third shut-off valve (73) and the 4th shut-off valve (74).
2. a kind of three-circulation refrigerating system for refrigerator according to claim 1, it is characterised in that：First evaporation
Device (61), second evaporator (62) and the third evaporator (63) are respectively arranged at the first alternating temperature compartment (8), institute
State the second alternating temperature compartment (9) and the interior back of the third alternating temperature compartment (10).
3. a kind of three-circulation refrigerating system for refrigerator according to claim 1, it is characterised in that：First cut-off
In valve (71), second shut-off valve (72), the third shut-off valve (73) and the 4th shut-off valve (74) it is at least one
It is in the open state during the refrigeration for refrigerator.
4. a kind of three-circulation refrigerating system for refrigerator according to claim 1, it is characterised in that：The switch unit
(4) it is solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876772.7U CN207716714U (en) | 2017-12-28 | 2017-12-28 | A kind of three-circulation refrigerating system for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876772.7U CN207716714U (en) | 2017-12-28 | 2017-12-28 | A kind of three-circulation refrigerating system for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716714U true CN207716714U (en) | 2018-08-10 |
Family
ID=63050983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876772.7U Active CN207716714U (en) | 2017-12-28 | 2017-12-28 | A kind of three-circulation refrigerating system for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207716714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238095A (en) * | 2020-03-12 | 2020-06-05 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111578548A (en) * | 2020-05-25 | 2020-08-25 | 珠海格力电器股份有限公司 | Refrigerator refrigerating system and control method thereof |
-
2017
- 2017-12-28 CN CN201721876772.7U patent/CN207716714U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238095A (en) * | 2020-03-12 | 2020-06-05 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111238095B (en) * | 2020-03-12 | 2023-04-07 | 长虹美菱股份有限公司 | Refrigerating system for realizing variable-temperature chamber deep cooling and control method thereof |
| CN111578548A (en) * | 2020-05-25 | 2020-08-25 | 珠海格力电器股份有限公司 | Refrigerator refrigerating system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |
|
| CP03 | Change of name, title or address |