CN106524552A - CO2 cascaded heat pump system and heat pump equipment unit suitable for extremely cold area - Google Patents
CO2 cascaded heat pump system and heat pump equipment unit suitable for extremely cold area Download PDFInfo
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- CN106524552A CN106524552A CN201611198222.4A CN201611198222A CN106524552A CN 106524552 A CN106524552 A CN 106524552A CN 201611198222 A CN201611198222 A CN 201611198222A CN 106524552 A CN106524552 A CN 106524552A
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- Prior art keywords
- heat pump
- heat
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- overlapping
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a CO2 cascaded heat pump system and a heat pump equipment unit suitable for an extremely cold area. The system comprises a carbon dioxide heat pump refrigeration cycle system and a common heat pump refrigeration cycle system; a loop of the carbon dioxide heat pump refrigeration cycle system is connected with a first connector and a second connector of an evaporation condenser; a loop of the common heat pump refrigeration cycle system is connected with a third connector and a fourth connector of the evaporation condenser; an outdoor heat exchanger in the carbon dioxide heat pump refrigeration cycle system is communicated with the loop of the common heat pump refrigeration cycle system through two communicating pipelines; each communicating pipeline is provided with a first control valve; and a second control valve is arranged at the position of each of the third connector and the fourth connector. According to the scheme, by controlling switching of the first control valves and the second control valves, the function of performing heating in winter and performing refrigeration in summer is achieved, and therefore the multifunctional application of the unit is achieved.
Description
Technical field
The present invention relates to technical field of heat pumps, more particularly, to a kind of CO suitable for extremely cold area2The heat pump system of overlapping
System and heat-pump apparatus unit.
Background technology
Heat pump be it is a kind of can be by the device of the heat energy transfer of low level heat energy to high-order thermal source, typically first from the sky of nature
Low grade heat energy is obtained in gas and water or soil, is done work through electric power, then the high-grade heat that can be utilized is provided to people again
Energy.
Specifically, CO2Overlapping heat pump can be mainly used in the freezing and refrigeration of food, crop seeds preservation with
And the field such as Refrigeration System in Supermarkets, which has two sets of circulatory systems, and a set of is that the gas for being used as low-temperature zone by carbon dioxide is followed
Ring, another set of is that, by the liquid circulation as high temperature section such as freon, and two sets of circulatory systems can pass through evaporative condenser
It is linked togather, and the effect in evaporative condenser under cooling condition to realize heat exchange, freeze.
However, present inventor has found, due to existing CO2The energy consumed in overlapping heat pump can only be used for
Refrigeration is heated, and limits CO2The use range of cascade system, therefore lack to the energy two grades of utilizations.
The content of the invention
It is an object of the invention to provide a kind of CO suitable for extremely cold area2The heat pump and heat-pump apparatus machine of overlapping
Group, can only be asked for freezing or heating technology with solving the energy consumed in overlapping heat pump present in prior art
Topic.
To achieve these goals, the invention provides technical scheme below；
The CO suitable for extremely cold area that the present invention is provided2The heat pump of overlapping, including carbon dioxide heat-pump refrigeration follow
Loop systems and common heat pump cooling cycle system；
The loop of the carbon dioxide heat-pump cooling cycle system connects the first interface and second of evaporative condenser respectively
Interface；
The loop of the common heat pump cooling cycle system connects the 3rd interface and the 4th of the evaporative condenser respectively
Interface；
Wherein, the outdoor heat exchanger in the carbon dioxide heat-pump cooling cycle system by two connecting pipelines with it is described
The loop of common heat pump cooling cycle system is connected, and the first control valve, institute are respectively arranged with each described connecting pipeline
State the 3rd interface and the 4th interface is respectively arranged with the second control valve.
In above-mentioned technical proposal, further, the carbon dioxide heat-pump cooling cycle system includes that the outdoor is changed
Hot device, internal exchanger, the first compressor and the first expansion valve；
The outdoor heat exchanger is respectively arranged with air inlet, gas outlet, first, second mouthful, the 3rd mouthful and the 4th mouthful, institute
State first to connect with the first port of the internal exchanger by first expansion valve, the second of the internal exchanger
Port is connected with the first interface of the evaporative condenser；Described second mouthful, it is the 3rd port of the internal exchanger, described
4th port of internal exchanger and first compressor are sequentially communicated, and the compressor and the of the evaporative condenser
Two interfaces are connected；
Described 3rd mouthful and described 4th mouthful connects two connecting pipelines respectively.
In any of the above-described technical scheme, further, the common heat pump refrigeration cycle includes second for setting gradually
Compressor, the 3rd heat exchanger, the first fluid reservoir, the second expansion valve, and second expansion valve and the of the evaporative condenser
Second control valve of three interfaces is connected；
Second compressor is connected with the second control valve of the 4th interface of the evaporative condenser.
In any of the above-described technical scheme, further, arrange between the 3rd heat exchanger and first fluid reservoir
There is unidirectional valve group.
In any of the above-described technical scheme, further, arrange between the 3rd heat exchanger and second compressor
There is reversal valve, and the reversal valve is connected with the second control valve of the 3rd heat exchanger, the 4th interface respectively.
In any of the above-described technical scheme, further, second compressor is controlled with the second of the 4th interface
The second fluid reservoir is provided between valve processed.
In any of the above-described technical scheme, further, the outdoor heat exchanger, the internal exchanger and the described 3rd
Heat exchanger is respectively finned heat exchanger.
In any of the above-described technical scheme, further, the first control valve and the second control valve are respectively electricity
Magnet valve.
In any of the above-described technical scheme, further, the reversal valve is four-way change-over valve.
Present invention also offers a kind of heat-pump apparatus unit, including the overlapping heat pump system described in any of the above-described technical scheme
System.
The heat-pump apparatus unit is provided with the above-mentioned CO suitable for extremely cold area2The heat pump of overlapping, therefore have suitable
For the CO of extremely cold area2Whole beneficial effects of the heat pump of overlapping, here are not just repeated one by one.
Hinge structure of the present invention has the beneficial effect that：
The CO suitable for extremely cold area that the present invention is provided2The heat pump of overlapping, carbon dioxide heat-pump kind of refrigeration cycle system
The loop of system connects the first interface and second interface of evaporative condenser respectively；The loop difference of common heat pump cooling cycle system
3rd interface and the 4th interface of connection evaporative condenser, wherein, the outdoor heat exchange in carbon dioxide heat-pump cooling cycle system
Device is connected with the loop of common heat pump cooling cycle system by two connecting pipelines, and is respectively provided with each connecting pipeline
There are the first control valve, the 3rd interface and the 4th interface to be respectively arranged with the second control valve, valve is controlled when closing first, open the
During two control valves, now, refrigerant carbon dioxide completes low-temperature zone circulation in carbon dioxide heat-pump cooling cycle system, commonly
In heat pump refrigeration cycle system, cold-producing medium completes high temperature section circulation through common heat pump refrigeration cycle, to realize heating condition
Circulation；Valve is controlled when closing second, when opening the first control valve, cold-producing medium is in common heat pump cooling cycle system and carbon dioxide
The loop that heat pump refrigeration cycle system is formed is being followed through common heat pump cooling cycle system formation refrigeration by outdoor heat exchanger
Ring, realize the heat pump of overlapping refrigeration and heat it is dual-purpose, it is achieved thereby that utilizing to two grades of the energy.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the CO suitable for extremely cold area provided in an embodiment of the present invention2The structural representation of the heat pump of overlapping；
The CO suitable for extremely cold area that Fig. 2 is provided for another embodiment of the present invention2The structure of the heat pump of overlapping is shown
It is intended to；
Fig. 3 is the CO suitable for extremely cold area provided in an embodiment of the present invention2Winter heating in the heat pump of overlapping
Flow to schematic diagram；
Fig. 4 is the CO suitable for extremely cold area provided in an embodiment of the present invention2Cooling in summer in the heat pump of overlapping
Flow to schematic diagram.
Reference：
The first expansion valves of 1-；2- outdoor heat exchangers；3- internal exchangers；The first compressors of 4-；5- first controls valve；6-
Two control valves；7- evaporative condensers；8- four-way change-over valves；The second compressors of 9-；The second expansion valves of 10-；The unidirectional valve groups of 11-；12-
3rd heat exchanger；The second fluid reservoirs of 13-；The first fluid reservoirs of 14-.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or imply indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the CO suitable for extremely cold area provided in an embodiment of the present invention2The structural representation of the heat pump of overlapping；
The CO suitable for extremely cold area that Fig. 2 is provided for another embodiment of the present invention2The structural representation of the heat pump of overlapping；Fig. 3
For the CO suitable for extremely cold area provided in an embodiment of the present invention2In the heat pump of overlapping, winter heating flows to schematic diagram；
Fig. 4 is the CO suitable for extremely cold area provided in an embodiment of the present invention2In the heat pump of overlapping, the flow direction of cooling in summer is illustrated
Figure；
As Figure 1-4, the CO suitable for extremely cold area that embodiments of the invention are provided2The heat pump of overlapping, bag
Include carbon dioxide heat-pump cooling cycle system and common heat pump cooling cycle system；
The loop of the carbon dioxide heat-pump cooling cycle system connects the first interface and second of evaporative condenser 7 respectively
Interface；
The loop of the common heat pump cooling cycle system connects the 3rd interface and the 4th of the evaporative condenser 7 respectively
Interface；
Wherein, the outdoor heat exchanger 2 in the carbon dioxide heat-pump cooling cycle system passes through two connecting pipelines and institute
The loop for stating common heat pump cooling cycle system is connected, and the first control valve 5 is respectively arranged with each described connecting pipeline,
3rd interface and the 4th interface are respectively arranged with the second control valve 6.
The CO suitable for extremely cold area that embodiments of the invention are provided2The heat pump of overlapping, carbon dioxide heat-pump system
The loop of SAPMAC method system connects the first interface and second interface of evaporative condenser 7 respectively；Common heat pump cooling cycle system
Loop connect the 3rd interface and the 4th interface of evaporative condenser 7 respectively, wherein, in carbon dioxide heat-pump cooling cycle system
Outdoor heat exchanger 2 be connected with the loop of common heat pump cooling cycle system by two connecting pipelines, and each communicating pipe
The first control valve 5 is respectively arranged with road, the 3rd interface and the 4th interface are respectively arranged with the second control valve 6, when closing the
One control valve 5, when opening the second control valve 6, now, refrigerant carbon dioxide is complete in carbon dioxide heat-pump cooling cycle system
Circulate into low-temperature zone, in common heat pump cooling cycle system, cold-producing medium completes high temperature section through common heat pump refrigeration cycle and follows
Ring, to realize that heating condition is circulated；Valve 6 is controlled when closing second, when opening the first control valve 5, cold-producing medium is in common heat pump system
The loop that SAPMAC method system and carbon dioxide heat-pump cooling cycle system are formed is by outdoor heat exchanger 2 through common heat pump system
SAPMAC method system formed kind of refrigeration cycle, realize overlapping heat pump refrigeration and heat it is dual-purpose, it is achieved thereby that unit is more
Application of function.
In order to further realize above-mentioned winter heating's cooling in summer function, specifically, further, the carbon dioxide heat
Pump cooling cycle system includes the outdoor heat exchanger 2, internal exchanger 3, the first compressor 4 and the first expansion valve 1；
The outdoor heat exchanger 2 is respectively arranged with air inlet, gas outlet, first, second mouthful, the 3rd mouthful and the 4th mouthful,
The first is connected with the first port of the internal exchanger 3 by first expansion valve 1, the internal exchanger 3
Second port be connected with the first interface of the evaporative condenser 7；Described second mouthful, the 3rd of the internal exchanger 3 the
Port, the 4th port of the internal exchanger 3 and first compressor 4 are sequentially communicated, and the compressor and the steaming
The second interface of condenser 7 of feeling cold is connected；
Described 3rd mouthful and described 4th mouthful connects two connecting pipelines respectively.
Further, the common heat pump refrigeration cycle includes the second compressor 9, the 3rd heat exchanger for setting gradually
12nd, the first fluid reservoir 14, the second expansion valve 10, and the 3rd interface of second expansion valve 10 and the evaporative condenser 7
Second control valve 6 be connected；
Second compressor 9 is connected with the second control valve 6 of the 4th interface of the evaporative condenser 7.
Further, unidirectional valve group 11 is provided between the 3rd heat exchanger 12 and first fluid reservoir 14.
Further, reversal valve, and the commutation are provided between the 3rd heat exchanger 12 and second compressor 9
Valve is connected with the second control valve 6 of the 3rd heat exchanger 12, the 4th interface respectively.
Further, the second storage is provided between second compressor 9 and the second control valve 6 of the 4th interface
Flow container 13.
It should be noted that the outdoor heat exchanger 2, the internal exchanger 3 and the 3rd heat exchanger 12 are respectively
Finned heat exchanger.
Preferably, the first control valve 5 and the second control valve 6 are respectively magnetic valve.
Preferably, the reversal valve is four-way change-over valve 8.
To above-mentioned concrete operations explanation；
When the heat pump of overlapping is in winter heating's state of cyclic operation, as shown in figure 3, closing first controls valve 5, open
Second control valve 6, low-temperature zone refrigerant carbon dioxide after the first expansion valve 1 absorbs outdoor heat into outdoor heat exchanger 2,
The first compressor 4 is entered through internal exchanger 3 again, is entered after evaporative condenser 7 generates heat after the first compressor 4 compresses and is returned
Low-temperature zone circulation is completed at the first expansion valve 1；Now, the cold-producing medium working medium of high temperature section is through the second expansion valve 10, into steaming
The condenser 7 that feels cold compressed by four-way change-over valve 8, the second fluid reservoir 13, the second compressor 9 after absorbing low-temperature zone heat after into the
Second expansion valve 10 is returned to into the first fluid reservoir 14 by unidirectional valve group 11 after three heat exchangers, 12 heat release and complete high temperature section circulation, it is real
Existing winter heating function.
When the heat pump of overlapping is in cooling in summer state of cyclic operation, as shown in figure 4, opening first controls valve 5, close
Second control valve 6, refrigeration working medium are passed through into after the heat absorption of the 3rd heat exchanger 12 by the second expansion valve 10 Jing after unidirectional valve group 11
After the commutation of four-way change-over valve 8 is compressed into the second compressor 9, then unidirectional valve group 11 is returned to by outdoor heat exchanger 2 complete the summer
Season kind of refrigeration cycle.
Embodiments of the invention additionally provide a kind of heat-pump apparatus unit, including answering described in any of the above-described technical scheme
Overlapping heat pump system.
The heat-pump apparatus unit that the embodiment is provided is provided with above-mentioned overlapping heat pump, therefore has overlapping heat pump
Whole beneficial effects, here just do not repeated one by one.
In sum, hinge structure of the present invention has the beneficial effect that：
The CO suitable for extremely cold area that the present invention is provided2The heat pump of overlapping, carbon dioxide heat-pump kind of refrigeration cycle system
The loop of system connects the first interface and second interface of evaporative condenser 7 respectively；The loop point of common heat pump cooling cycle system
Not Lian Jie evaporative condenser 7 the 3rd interface and the 4th interface, wherein, the outdoor in carbon dioxide heat-pump cooling cycle system is changed
Hot device 2 is connected with the loop of common heat pump cooling cycle system by two connecting pipelines, and on each connecting pipeline respectively
The first control valve 5 is provided with, the 3rd interface and the 4th interface are respectively arranged with the second control valve 6, valve is controlled when closing first
5, when opening the second control valve 6, now, refrigerant carbon dioxide completes low-temperature zone in carbon dioxide heat-pump cooling cycle system
Circulation, in common heat pump cooling cycle system, cold-producing medium completes high temperature section circulation through common heat pump refrigeration cycle, with reality
Existing heating condition circulation；Valve 6 is controlled when closing second, when opening the first control valve 5, cold-producing medium is in common heat pump refrigeration cycle system
The loop that system and carbon dioxide heat-pump cooling cycle system are formed is by outdoor heat exchanger 2 through common heat pump refrigeration cycle system
System form kind of refrigeration cycle, realize the heat pump of overlapping refrigeration and heat it is dual-purpose, it is achieved thereby that unit it is multi-functional should
With.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein include other enforcements
Some included features rather than further feature in example, but the combination of the feature of different embodiments means in the present invention
Within the scope of and form different embodiments.For example, in the following claims, embodiment required for protection
One of arbitrarily can in any combination mode using.
Claims (10)
1. a kind of CO suitable for extremely cold area2The heat pump of overlapping, it is characterised in that follow including carbon dioxide heat-pump refrigeration
Loop systems and common heat pump cooling cycle system；
The loop of the carbon dioxide heat-pump cooling cycle system connects the first interface and second interface of evaporative condenser respectively；
The loop of the common heat pump cooling cycle system connects the 3rd interface and the 4th interface of the evaporative condenser respectively；
Wherein, the outdoor heat exchanger in the carbon dioxide heat-pump cooling cycle system is common with described by two connecting pipelines
The loop of heat pump refrigeration cycle system is connected, and the first control valve is respectively arranged with each described connecting pipeline, and described
Three interfaces and the 4th interface are respectively arranged with the second control valve.
2. the CO suitable for extremely cold area according to claim 12The heat pump of overlapping, it is characterised in that
The carbon dioxide heat-pump cooling cycle system includes the outdoor heat exchanger, internal exchanger, the first compressor and
One expansion valve；
The outdoor heat exchanger is respectively arranged with air inlet, gas outlet, first, second mouthful, the 3rd mouthful and the 4th mouthful, and described
Connected with the first port of the internal exchanger by first expansion valve flatly, the second port of the internal exchanger
It is connected with the first interface of the evaporative condenser；Described second mouthful, the 3rd port of the internal exchanger, the inside
4th port of heat exchanger and first compressor are sequentially communicated, and the compressor is connect with the second of the evaporative condenser
Mouth is connected；
Described 3rd mouthful and described 4th mouthful connects two connecting pipelines respectively.
3. the CO suitable for extremely cold area according to claim 22The heat pump of overlapping, it is characterised in that
It is the second compressor that the common heat pump refrigeration cycle includes setting gradually, the 3rd heat exchanger, the first fluid reservoir, second swollen
Swollen valve, and the second control valve of second expansion valve and the 3rd interface of the evaporative condenser is connected；
Second compressor is connected with the second control valve of the 4th interface of the evaporative condenser.
4. the CO suitable for extremely cold area according to claim 32The heat pump of overlapping, it is characterised in that
Unidirectional valve group is provided between 3rd heat exchanger and first fluid reservoir.
5. the CO suitable for extremely cold area according to claim 42The heat pump of overlapping, it is characterised in that
It is provided with reversal valve between 3rd heat exchanger and second compressor, and the reversal valve is respectively with the described 3rd
Heat exchanger, the second control valve of the 4th interface are connected.
6. the CO suitable for extremely cold area according to claim 52The heat pump of overlapping, it is characterised in that
The second fluid reservoir is provided between second compressor and the second control valve of the 4th interface.
7. the CO suitable for extremely cold area according to claim 32The heat pump of overlapping, it is characterised in that
The outdoor heat exchanger, the internal exchanger and the 3rd heat exchanger are respectively finned heat exchanger.
8. the CO suitable for extremely cold area according to claim 52The heat pump of overlapping, it is characterised in that
The first control valve and the second control valve are respectively magnetic valve.
9. the CO suitable for extremely cold area according to claim 62The heat pump of overlapping, it is characterised in that
The reversal valve is four-way change-over valve.
10. a kind of heat-pump apparatus unit, it is characterised in that include
Tremble with fear regional CO2The heat pump of overlapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198222.4A CN106524552A (en) | 2016-12-22 | 2016-12-22 | CO2 cascaded heat pump system and heat pump equipment unit suitable for extremely cold area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611198222.4A CN106524552A (en) | 2016-12-22 | 2016-12-22 | CO2 cascaded heat pump system and heat pump equipment unit suitable for extremely cold area |
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| CN106524552A true CN106524552A (en) | 2017-03-22 |
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| CN201611198222.4A Pending CN106524552A (en) | 2016-12-22 | 2016-12-22 | CO2 cascaded heat pump system and heat pump equipment unit suitable for extremely cold area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056582A (en) * | 2020-01-08 | 2020-04-24 | 浙江工业大学 | Air heat dissipation cascade heat pump sea water desalination device of economic benefits and social benefits |
| CN113551441A (en) * | 2021-08-02 | 2021-10-26 | 姜春辉 | Heat pump set |
| CN114103591A (en) * | 2021-11-18 | 2022-03-01 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321574A1 (en) * | 1993-06-24 | 1995-01-05 | Gwa Umweltconcept Gmbh | Method and arrangement for generating thermal energy for central-heating and distant-heating installations using process waste heat or environmental heat |
| JP2001263801A (en) * | 2000-03-24 | 2001-09-26 | Daikin Ind Ltd | Heat pump water heater |
| CN101650097A (en) * | 2009-09-07 | 2010-02-17 | 纽恩泰热能科技发展（昆明）有限公司 | Hot-water system of air-condition directly-heated air-source heat pump |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
| CN104819591A (en) * | 2015-04-24 | 2015-08-05 | 河南佰衡节能技术有限公司 | Agricultural local product heating pump drying device with refrigeration function |
| CN106016802A (en) * | 2016-07-01 | 2016-10-12 | 杭州佳力斯韦姆新能源科技有限公司 | Cascade CO2 heat pump capable of achieving defrosting through reversing of four-way valve and defrosting method of cascade CO2 heat pump |
-
2016
- 2016-12-22 CN CN201611198222.4A patent/CN106524552A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321574A1 (en) * | 1993-06-24 | 1995-01-05 | Gwa Umweltconcept Gmbh | Method and arrangement for generating thermal energy for central-heating and distant-heating installations using process waste heat or environmental heat |
| JP2001263801A (en) * | 2000-03-24 | 2001-09-26 | Daikin Ind Ltd | Heat pump water heater |
| CN101650097A (en) * | 2009-09-07 | 2010-02-17 | 纽恩泰热能科技发展（昆明）有限公司 | Hot-water system of air-condition directly-heated air-source heat pump |
| CN103697613A (en) * | 2013-12-28 | 2014-04-02 | 金国达科技（湖南）有限公司 | High-temperature water source heat pump unit |
| CN104819591A (en) * | 2015-04-24 | 2015-08-05 | 河南佰衡节能技术有限公司 | Agricultural local product heating pump drying device with refrigeration function |
| CN106016802A (en) * | 2016-07-01 | 2016-10-12 | 杭州佳力斯韦姆新能源科技有限公司 | Cascade CO2 heat pump capable of achieving defrosting through reversing of four-way valve and defrosting method of cascade CO2 heat pump |
Non-Patent Citations (1)
| Title |
|---|
| 卢士勋: "《制冷技术及工程应用》", 31 March 2010 * |
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| CN111056582A (en) * | 2020-01-08 | 2020-04-24 | 浙江工业大学 | Air heat dissipation cascade heat pump sea water desalination device of economic benefits and social benefits |
| CN113551441A (en) * | 2021-08-02 | 2021-10-26 | 姜春辉 | Heat pump set |
| CN114103591A (en) * | 2021-11-18 | 2022-03-01 | 美的集团(上海)有限公司 | Heat management system of automobile and automobile |
| CN114103591B (en) * | 2021-11-18 | 2023-11-03 | 美的集团(上海)有限公司 | Thermal management system of automobile and automobile |
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