CN202719806U - Double-heat-source type high-temperature heat pump - Google Patents
Double-heat-source type high-temperature heat pump Download PDFInfo
- Publication number
- CN202719806U CN202719806U CN 201220333841 CN201220333841U CN202719806U CN 202719806 U CN202719806 U CN 202719806U CN 201220333841 CN201220333841 CN 201220333841 CN 201220333841 U CN201220333841 U CN 201220333841U CN 202719806 U CN202719806 U CN 202719806U
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- heat exchanger
- expansion valve
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Abstract
The utility model relates to a double-heat-source type high-temperature heat pump, belonging to the field of heat pumps. The double-heat-source type high-temperature heat pump comprises a compressor, an oil separator, a first heat exchanger, a liquid storage tank, a second heat exchanger, a first expansion valve, a second expansion valve, a third heat exchanger, a gas-liquid separator and a return oil capillary tube, wherein an outlet of the first heat exchanger is connected with an inlet of the liquid storage tank; one outlet of the liquid storage tank is connected to an inlet of the second expansion valve; an outlet of the second expansion valve is connected with a refrigerant inlet of the third heat exchanger; a refrigerant outlet of the third heat exchanger is connected with an inlet of the gas-liquid separator; another outlet of the liquid storage tank is connected to an inlet of the first expansion valve; an outlet of the first expansion valve is connected with a refrigerant inlet of the second heat exchanger; a refrigerant outlet of the second heat exchanger is connected with an inlet of the gas-liquid separator; the first heat exchanger and the third heat exchanger are water-refrigerant heat exchangers; and the second heat exchanger is an air-refrigerant heat exchanger. The double-heat-source type high-temperature heat pump disclosed by the utility model can ensure continuous heating and drying of a system by providing two heat sources, namely an air source and a water source.
Description
Technical field
A kind of double heat source type high temperature heat pump of the utility model belongs to art of heat pumps, particularly relates to a kind of double heat source type high temperature heat pump of a kind of air-source, the two thermals source in water source.
Background technology
At present, the heat pump in market is generally the single source heat pump, the heat pump of single source is when operation, it generally is the refrigerant gas distribute heat that enters the HTHP of condenser, after heat passed to the water that enters condenser, then hot water entered into the outside wind dish of leaking water and realizes heating or dry purpose; Simultaneously evaporimeter is realized the purpose of freezing by leak water heat in the wind dish suction chamber of outside.When indoor cryogenic temperature has reached design temperature, evaporimeter is then drawn less than heat, thermal source is interrupted, the heat supply of condensation end or drying also can realize, again because system is the single source system, do not have many thermals source as a supplement, so just cause system can't realize continuing heat supply or drying.
The general employing of the heat pump of domestic current all is the R22 cold-producing medium, but still there is following problem in the R22 cold-producing medium, first: R22 cold-producing medium operating pressure is high, just so that the condensation temperature of unit is on the low side, the heat that refrigerant gas distributes is few, naturally the temperature of the water of heat exchange is not high yet with it to enter condenser inside, causes system to can not do high-temperature water, will have influence on simultaneously like this that system heats or dry effect.Second: the R22 cold-producing medium has destruction, not environmental protection to ozone layer.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art, can provide various heating sources to come the assurance system to continue to heat or drying and provide a kind of, and can produce a kind of double heat source type high temperature heat pump high-temperature water, environmental protection.
The purpose of this utility model reaches by following measures, a kind of double heat source type high temperature heat pump comprises compressor, oil eliminator, First Heat Exchanger, fluid reservoir, the second heat exchanger, the first expansion valve, the second expansion valve, the 3rd heat exchanger, gas-liquid separator, the oil return capillary, the exhaust outlet of compressor links to each other with the import of oil eliminator, the outlet of oil eliminator is connected with the import of First Heat Exchanger refrigerant, oil eliminator is connected by the muffler of oil return capillary and compressor, the muffler of compressor is connected on the gas-liquid separator, the outlet of First Heat Exchanger is connected with the fluid reservoir import, an outlet of fluid reservoir is connected to the second expansion valve import, the outlet of the second expansion valve links to each other with the 3rd heat exchanger refrigerant import, the 3rd heat exchanger refrigerant exit is connected with the gas-liquid separator import, another outlet of fluid reservoir is connected to the first expansion valve import, the outlet of the first expansion valve links to each other with the second heat exchanger refrigerant import, the second heat exchanger refrigerant exit is connected with the gas-liquid separator import, First Heat Exchanger and the 3rd heat exchanger are water-refrigerant heat exchanger, and the second heat exchanger is air-refrigerant heat exchanger.
Thermal source heat exchanger of the present utility model is the second heat exchanger and the 3rd heat exchanger.
The first expansion valve of the present utility model and the second expansion valve are electric expansion valve or heating power expansion valve.
Fluid reservoir of the present utility model is the three-dimensional fluid reservoir.
The utility model can provide two kinds of thermals source of air-source and water source guarantee system continue heat and dry, and can also produce 75 ℃ high-temperature-hot-water, simultaneously, because system has adopted the R134a environmental protection refrigerant, system moves more environmental protection.The utlity model has compact conformation, thermal source abundance, high-efficiency environment friendly, have widely marketing prospect of the application.
Description of drawings
Accompanying drawing 1 is principle schematic of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Among the figure: 1, compressor; 2, oil eliminator; 3, First Heat Exchanger; 4, fluid reservoir; 5, the second heat exchanger; 6, the first expansion valve; 7, the second expansion valve; 8, the 3rd heat exchanger; 9, gas-liquid separator; 10, oil return capillary.
As shown in Figure 1, a kind of double heat source type high temperature heat pump of the utility model comprises compressor 1, oil eliminator 2, First Heat Exchanger 3, fluid reservoir 4, the second heat exchanger 5, the first expansion valve 6, the second expansion valve 7, the 3rd heat exchanger 8, gas-liquid separator 9, oil return capillary 10, the exhaust outlet of compressor 1 links to each other with the import of oil eliminator 2, the outlet of oil eliminator 2 is connected with First Heat Exchanger 3 refrigerant imports, oil eliminator 2 is connected by oil return capillary 10 and the muffler of compressor 1, the muffler of compressor 1 is connected on the gas-liquid separator 9, and the outlet of gas-liquid separator 9 links to each other with the gas returning port of compressor 1.The outlet of First Heat Exchanger 3 is connected with fluid reservoir 4 imports, and an outlet of fluid reservoir 4 is connected to 7 imports of the second expansion valve, and 7 outlets of the second expansion valve link to each other with the 8 refrigerant imports of the 3rd heat exchanger, and the 3rd heat exchanger 8 refrigerant exits are connected with gas-liquid separator 9 imports; Fluid reservoir 4 another outlets are connected to 6 imports of the first expansion valve, and 6 outlets of the first expansion valve link to each other with the 5 refrigerant imports of the second heat exchanger, and the second heat exchanger 5 refrigerant exits are connected with gas-liquid separator 9 imports.
Heating operation (water source is as thermal source): the first expansion valve 6 is fastened, 7 conductings of the second expansion valve, the gas returning port of compressor 1 is got back in the exhaust of compressor successively through oil eliminator 2, First Heat Exchanger 3, fluid reservoir 4, the second expansion valve 7, the 3rd heat exchanger 8, gas-liquid separator 16, finish heating circulation.After the condensation, then distribute heat carries out heat exchange with the water that enters in the First Heat Exchanger 3 to the refrigerant gas of HTHP in First Heat Exchanger 3, and hot water is leaked water by the outside again, and the realization of wind dish heats and the purpose of drying; Simultaneously, the refrigerant liquid of cryogenic high pressure is through evaporating at the 3rd heat exchanger 8 places after the throttling, and at this moment, the 3rd heat exchanger 8 is realized the purpose of indoor refrigeration by the heat in the wind dish absorption chamber of leaking water of outside.
Heating operation (air-source is as thermal source): when indoor cryogenic temperature has reached design temperature, the 3rd heat exchanger 8 can't draw heat, thermal source interrupts, condensation end also just can't be proceeded heat supply and drying so, close the second expansion valve 7 this moment, the gas returning port of compressor 1 is got back in 6 conductings of the first expansion valve, the exhaust of compressor successively through oil eliminator 2, First Heat Exchanger 3, fluid reservoir 4, the first expansion valve 6, the second heat exchanger 5, gas-liquid separator 16, finish heating circulation.At this moment, system is by fastening the second expansion valve 7, conducting the first expansion valve 6, switched the flow direction of cold-producing medium, in this time, the heat that the second heat exchanger 5 absorbs from outside air is thermal source as a supplement, has guaranteed that condensation end can proceed heat supply and dry.
System adopts environmental protection R134a cold-producing medium, and it has, and operating pressure is low, the feature of environmental protection, and its operating pressure is low, so that the condensation temperature of unit is high, the heat that refrigerant gas distributes is many, naturally enter condenser inside with it the temperature of the water of heat exchange also uprised, high-temperature water reaches as high as 75 ℃.The system that guaranteed heats and dry effect.
Claims (3)
1. double heat source type high temperature heat pump, comprise compressor, oil eliminator, First Heat Exchanger, fluid reservoir, the second heat exchanger, the first expansion valve, the second expansion valve, the 3rd heat exchanger, gas-liquid separator, the oil return capillary, the exhaust outlet of compressor links to each other with the import of oil eliminator, the outlet of oil eliminator is connected with the import of First Heat Exchanger refrigerant, oil eliminator is connected by the muffler of oil return capillary and compressor, the muffler of compressor is connected on the gas-liquid separator, the outlet that it is characterized in that First Heat Exchanger is connected with the fluid reservoir import, an outlet of fluid reservoir is connected to the second expansion valve import, the outlet of the second expansion valve links to each other with the 3rd heat exchanger refrigerant import, the 3rd heat exchanger refrigerant exit is connected with the gas-liquid separator import, another outlet of fluid reservoir is connected to the first expansion valve import, the outlet of the first expansion valve links to each other with the second heat exchanger refrigerant import, the second heat exchanger refrigerant exit is connected with the gas-liquid separator import, First Heat Exchanger and the 3rd heat exchanger are water-refrigerant heat exchanger, and the second heat exchanger is air-refrigerant heat exchanger.
2. a kind of double heat source type high temperature heat pump according to claim 1 is characterized in that the first expansion valve and the second expansion valve are electric expansion valve or heating power expansion valve.
3. a kind of double heat source type high temperature heat pump according to claim 1 is characterized in that fluid reservoir is the three-dimensional liquid storage
Tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333841 CN202719806U (en) | 2012-07-11 | 2012-07-11 | Double-heat-source type high-temperature heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220333841 CN202719806U (en) | 2012-07-11 | 2012-07-11 | Double-heat-source type high-temperature heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719806U true CN202719806U (en) | 2013-02-06 |
Family
ID=47621628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220333841 Expired - Fee Related CN202719806U (en) | 2012-07-11 | 2012-07-11 | Double-heat-source type high-temperature heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257159A (en) * | 2016-07-27 | 2016-12-28 | 南京理工大学 | A kind of double thermal source big temperature difference heat pump assembly and heating method |
-
2012
- 2012-07-11 CN CN 201220333841 patent/CN202719806U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106257159A (en) * | 2016-07-27 | 2016-12-28 | 南京理工大学 | A kind of double thermal source big temperature difference heat pump assembly and heating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20210711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |