CN211451451U - Air source heat pump system combined with photovoltaic system - Google Patents
Air source heat pump system combined with photovoltaic system Download PDFInfo
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- CN211451451U CN211451451U CN201921781289.XU CN201921781289U CN211451451U CN 211451451 U CN211451451 U CN 211451451U CN 201921781289 U CN201921781289 U CN 201921781289U CN 211451451 U CN211451451 U CN 211451451U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses an air source heat pump system combined with a photovoltaic system, which comprises a compressor, an electromagnetic four-way reversing valve, a finned heat exchanger and an electronic expansion valve which are connected through a first pipeline, wherein a refrigerant is arranged in the first pipeline, the photovoltaic system comprises a photovoltaic plate, a plate heat exchanger and a second circulating water pump which are connected in sequence through a second pipeline to form a circulating loop, and an antifreezing solution is arranged in the second pipeline; the interface of electromagnetism four-way reversing valve connects the export of compressor, the entry of finned heat exchanger, electronic expansion valve and compressor respectively, the department passes plate heat exchanger between the entry that first pipeline corresponds electromagnetism four-way reversing valve and compressor, the utility model discloses make air source system's refrigerant no longer pass through the photovoltaic board, the photovoltaic board adopts antifreeze solution to circulate alone, and air source and photovoltaic interact improve work efficiency, green each other.
Description
Technical Field
The utility model belongs to air source heat pump system field, more specifically the air source heat pump system who combines with photovoltaic system that says so relates to.
Background
An air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source. It is a form of heat pump. As the name implies, a heat pump, like a pump, can convert low-level heat energy (such as heat contained in air, soil and water) which cannot be directly utilized into high-level heat energy which can be utilized, thereby achieving the purpose of saving part of high-level energy (such as coal, gas, oil, electric energy and the like).
The traditional process for combining the air source with the photovoltaic directly adopts a refrigerant and photovoltaic waste heat for heat exchange, a plurality of copper pipes are arranged on site, welding spots are more, professional welding and vacuumizing are needed, the operation is complex, and the leakage problem is easy to occur. In addition, the cleanliness of the heat transfer pipe in the heat dissipation plate on the back of the photovoltaic power generation panel cannot be guaranteed, so that the risks of system filth blockage and system pollution, influence on normal use of a machine and the like can be caused.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model provides a make air source system's refrigerant no longer through the photovoltaic board, the photovoltaic board adopts antifreeze solution alone to circulate, and refrigerant and antifreeze solution carry out the heat transfer in plate heat exchanger department, and on-the-spot installation degree of difficulty coefficient greatly reduced does not have because of on-the-spot welding with fill the refrigerant cause leak with the system cleanliness factor hidden danger such as not up to standard, air source and photovoltaic interact, improve work efficiency each other, green.
In order to achieve the above purpose, the utility model provides a following technical scheme: an air source heat pump system combined with a photovoltaic system comprises a compressor, an electromagnetic four-way reversing valve, a finned heat exchanger and an electronic expansion valve which are connected through a first pipeline, wherein a refrigerant is arranged in the first pipeline, the photovoltaic system comprises a photovoltaic plate, a plate heat exchanger and a second circulating water pump which are sequentially connected through a second pipeline to form a circulating loop, and an anti-freezing solution is arranged in the second pipeline; the interfaces of the electromagnetic four-way reversing valve are respectively connected with the outlet of the compressor, the finned heat exchanger, the electronic expansion valve and the inlet of the compressor, and the first pipeline penetrates through the plate type heat exchanger corresponding to the position between the electromagnetic four-way reversing valve and the inlet of the compressor.
And a gas-liquid separator is arranged between the electromagnetic four-way reversing valve and the plate heat exchanger.
Further be provided with the bypass pipeline parallelly connected with electronic expansion valve on the first pipeline, the bypass pipeline is including the bypass solenoid valve and the capillary that set gradually.
And a liquid storage tank is arranged between the second circulating water pump and the photovoltaic panel.
The floor heating system comprises a floor heating system, a sleeve heat exchanger, a third circulating water pump and a buffer water tank which are sequentially connected through a third pipeline to form a circulating loop, a fan coil is connected to the position, corresponding to the floor heating, of the third pipeline in parallel, and the first pipeline penetrates through the sleeve heat exchanger corresponding to the position between the electromagnetic four-way reversing valve and the electronic expansion valve.
Further, a temperature sensor is arranged at an outlet of the first pipeline corresponding to the compressor and electrically connected with the bypass electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-freezing liquid is used in the heat dissipation plate on the back of the photovoltaic panel, and exchanges heat with the refrigerant in the plate heat exchanger, so that the PPR pipes are used for butt joint in site construction, vacuumizing is not needed, the leakage and dirty blocking risks of a refrigeration system are avoided, and the heat exchange efficiency is high and safe; the antifreeze (water) and the refrigerant are adopted for heat exchange, and the method is economical, efficient and safe. The labor cost and the material cost are saved, and the construction efficiency is high. The construction cost can be saved by about 40%, and the construction efficiency is improved by about 30%; the photovoltaic power generation preheating is used for providing a supplementary heat source for the unit, the air source heat pump can finish the process of absorbing heat from low temperature by using a normal temperature compressor, and a special enhanced vapor injection compressor is not needed, so that the production cost is greatly saved; the heat generated by photovoltaic power generation is taken away by utilizing the principle of evaporation and heat absorption of a refrigerant, so that the photovoltaic power generation is more efficient, the unit power generation capacity is greatly improved, and the photovoltaic power generation capacity can be improved by more than or equal to 30 percent; the heat source is provided for the air source heat pump by utilizing the photovoltaic power generation waste heat, so that the heat exchange of the refrigerant is more sufficient, more heat energy is absorbed, the low-temperature operation safety of the unit is ensured, and the energy efficiency of the unit is relatively improved by about 30%.
Drawings
Fig. 1 is a schematic structural diagram of an air source heat pump system combined with a photovoltaic system according to the present invention.
Reference numerals: 1. a first pipeline; 11. a compressor; 117. a temperature sensor; 12. an electromagnetic four-way reversing valve; 13. a finned heat exchanger; 14. a direction regulating valve; 15. a liquid storage tank; 16. drying the filter; 17. an electronic expansion valve; 18. a bypass line; 181. a bypass solenoid valve; 182. A capillary tube; 19. a gas-liquid separator; 2. a second pipeline; 21. a plate heat exchanger; 22. a second circulating water pump; 23. a liquid storage tank; 3. a third pipeline; 31. a double pipe heat exchanger; 32. a buffer water tank; 33. floor heating; 34. a fan coil; 35. and a third circulating water pump.
Detailed Description
An embodiment of the present invention in combination with a photovoltaic system is further described with reference to fig. 1.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
An air source heat pump system combined with a photovoltaic system comprises a compressor 11, an electromagnetic four-way reversing valve 12, a finned heat exchanger 13 and an electronic expansion valve 17 which are connected through a first pipeline 1, wherein a refrigerant is arranged in the first pipeline 1, the photovoltaic system comprises a photovoltaic plate, a plate heat exchanger 21 and a second circulating water pump 22 which are sequentially connected through a second pipeline 2 to form a circulating loop, and an antifreezing solution is arranged in the second pipeline 2; the interfaces of the electromagnetic four-way reversing valve 12 are respectively connected with the outlet of the compressor 11, the finned heat exchanger 13, the electronic expansion valve 17 and the inlet of the compressor 11, and the plate-type heat exchanger 21 penetrates through the position, corresponding to the position between the electromagnetic four-way reversing valve 12 and the inlet of the compressor 11, of the first pipeline 1.
In the present embodiment, a gas-liquid separator 19 is preferably disposed between the electromagnetic four-way selector valve 12 and the plate heat exchanger 21.
The first pipeline 1 shown in the preferred embodiment is provided with a bypass pipeline 18 connected with the electronic expansion valve 17 in parallel, and the bypass pipeline 18 comprises a bypass solenoid valve 181 and a capillary tube 182 which are arranged in sequence.
In the preferred embodiment, a liquid storage tank 23 is disposed between the second circulating water pump 22 and the photovoltaic panel.
The floor heating 33 system preferably further comprises a floor heating 33 system, the floor heating 33 system comprises a floor heating 33, a sleeve heat exchanger 31, a third circulating water pump 35 and a buffer tank 32 which are sequentially connected through a third pipeline 3 to form a circulating loop, a fan coil 34 is connected in parallel to the floor heating 33 on the third pipeline 3, the sleeve heat exchanger 31 penetrates through the position between the electromagnetic four-way reversing valve 12 and the electronic expansion valve 17 corresponding to the first pipeline 1, as shown in fig. 1, a direction regulating valve 14 is preferably additionally arranged in the first pipeline 1 at the moment, the structure and the working principle of the direction regulating valve 14 can refer to the patent with the application number of CN201420756936.2, a liquid storage tank 15 and a drying filter 16 are arranged behind the direction regulating valve 14, and four interfaces of the direction regulating valve 14 are respectively connected with the fin heat exchanger 13, the liquid storage tank 15, the sleeve heat exchanger 31 and the electronic expansion valve 17.
In the present embodiment, a temperature sensor 117 is disposed at an outlet of the first pipeline 1 corresponding to the compressor 11, and the temperature sensor 117 is electrically connected to the bypass solenoid valve 181.
Referring to fig. 1, the operation principle of the air source heat pump system is as follows: as shown by a dotted arrow in fig. 1, the refrigerant is compressed by a compressor 11 to discharge a high-temperature high-pressure gaseous refrigerant, is reversed by an electromagnetic four-way reversing valve 12, flows through a double-pipe heat exchanger 31 to be cooled to become a medium-temperature medium-pressure liquid refrigerant, is throttled by an electronic expansion valve 17 to become a gas-liquid mixed state after passing through a direction regulating valve 14, a liquid storage tank 15 and a drying filter 16, enters a fin heat exchanger 13 to absorb heat, then enters a gas-liquid separator 19 through the electromagnetic four-way reversing valve 12, is sucked and compressed by the compressor 11, and is circulated in a reciprocating manner; air source heat pump system refrigeration principle: as shown by a solid arrow in fig. 1, the refrigerant is compressed by the compressor 11 to discharge a high-temperature high-pressure gaseous refrigerant, is reversed by the electromagnetic four-way reversing valve 12, flows through the fin heat exchanger 13 to dissipate heat, becomes a medium-temperature medium-pressure liquid refrigerant, then passes through the reversing valve 14, the liquid storage tank 15 and the drying filter 16, is throttled by the electronic expansion valve 17 to become a gas-liquid mixed state, enters the double-pipe heat exchanger 31 to absorb heat, then passes through the electromagnetic four-way reversing valve 12, enters the gas-liquid separator 19, is sucked and compressed by the compressor 11, and is circulated in a reciprocating manner.
Photovoltaic air energy system principle: on the basis of an air source, a plate type heat exchanger 21 is additionally arranged in front of a gas-liquid separator 19, so that heat generated during photovoltaic panel power generation is released in the plate type heat exchanger 21, and a refrigerant absorbs heat and is vaporized in the plate type heat exchanger 21 after passing through the gas-liquid separator 19, so that a heat pump system can generate more heat, the consumed electric energy can be relatively reduced under the condition of generating the same heat, and the COP is correspondingly improved. The photovoltaic power generation panel can be cooled, so that the unit generated energy of the photovoltaic power generation panel is improved, and the power generation efficiency of the photovoltaic power generation panel is improved.
When the air source heat pump heats, the refrigerant is compressed by the compressor 11 to discharge high-temperature and high-pressure gaseous refrigerant, and when the refrigerant passes through the double-pipe heat exchanger 31, the heat is transferred to the third pipeline 3, and the third pipeline 3 provides heat for the floor heating 33.
The temperature sensor 117 is connected with the controller, meanwhile, the temperature sensor 117 is also connected with the electronic expansion valve 17 in the prior art, the opening degree of the electronic expansion valve 17 is automatically adjusted through the superheat degree and the exhaust temperature fed back by the temperature sensor 117, when the superheat degree is larger than a set value, the opening degree of the electronic expansion valve 17 is increased, and when the superheat degree is smaller than the set value, the opening degree of the electronic expansion valve 17 is decreased, so that the system is always kept in an optimal operation state.
In the embodiment, an upper limit value of the exhaust temperature is set logically in the controller, when the temperature sensor 117 detects that the exhaust temperature reaches the set upper limit, the bypass electromagnetic valve 181 is powered on and opened, the refrigerant enters the evaporator after being throttled by the capillary tube 182 to exchange heat with the outside and returns to the compressor 11, the mass flow of the refrigerant in the evaporator is increased in the shortest time, and the exhaust temperature is reduced; when the exhaust temperature decreases to a set lower limit, the bypass solenoid valve 181 is de-energized and closed.
In order to prevent the photovoltaic panel cooling liquid from being too high in temperature in summer and prevent the exhaust temperature from being protected due to the fact that the suction temperature is too high after heat exchange (the electronic expansion valve 17 cannot meet the system requirement due to the fact that the electronic expansion valve 17 is opened to the maximum), a bypass electromagnetic valve 181 and an auxiliary capillary tube 182 are specially added to the electronic expansion valve 17 and are opened when the exhaust temperature is higher than the set temperature, so that the mass flow of a system refrigerant is increased, the compression ratio is improved, the exhaust temperature is reduced, the heat exchange energy efficiency is improved, and the.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an air source heat pump system with photovoltaic system combination, air source heat pump system include through first tube coupling's compressor, electromagnetism four-way reversing valve, finned heat exchanger and electronic expansion valve, there is the refrigerant in the first pipeline, its characterized in that: the photovoltaic system comprises a photovoltaic plate, a plate heat exchanger and a second circulating water pump which are sequentially connected through a second pipeline to form a circulating loop, wherein an anti-freezing solution is arranged in the second pipeline; the interfaces of the electromagnetic four-way reversing valve are respectively connected with the outlet of the compressor, the finned heat exchanger, the electronic expansion valve and the inlet of the compressor, and the first pipeline penetrates through the plate type heat exchanger corresponding to the position between the electromagnetic four-way reversing valve and the inlet of the compressor.
2. The air-source heat pump system in combination with a photovoltaic system of claim 1, wherein: and a gas-liquid separator is arranged between the electromagnetic four-way reversing valve and the plate heat exchanger.
3. The air-source heat pump system in combination with a photovoltaic system of claim 2, wherein: the first pipeline is provided with a bypass pipeline connected with the electronic expansion valve in parallel, and the bypass pipeline comprises a bypass electromagnetic valve and a capillary tube which are sequentially arranged.
4. The air-source heat pump system in combination with a photovoltaic system of claim 3, wherein: and a liquid storage tank is arranged between the second circulating water pump and the photovoltaic panel.
5. The air-source heat pump system in combination with a photovoltaic system of claim 4, wherein: the floor heating system comprises a floor heating device, a sleeve pipe heat exchanger, a third circulating water pump and a buffer water tank, wherein the floor heating device, the sleeve pipe heat exchanger, the third circulating water pump and the buffer water tank are sequentially connected through a third pipeline to form a circulating loop, a fan coil is connected to the third pipeline in parallel at a position corresponding to the floor heating device, and the first pipeline penetrates through the sleeve pipe heat exchanger at a position corresponding to the position between the electromagnetic four-way reversing valve and the electronic expansion valve.
6. The air-source heat pump system in combination with a photovoltaic system of claim 5, wherein: and a temperature sensor is arranged at the outlet of the first pipeline corresponding to the compressor and is electrically connected with the bypass electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781289.XU CN211451451U (en) | 2019-10-22 | 2019-10-22 | Air source heat pump system combined with photovoltaic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921781289.XU CN211451451U (en) | 2019-10-22 | 2019-10-22 | Air source heat pump system combined with photovoltaic system |
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| CN211451451U true CN211451451U (en) | 2020-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631291A (en) * | 2019-10-22 | 2019-12-31 | 浙江智恩电子科技有限公司 | Air source heat pump system combined with photovoltaic system |
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- 2019-10-22 CN CN201921781289.XU patent/CN211451451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631291A (en) * | 2019-10-22 | 2019-12-31 | 浙江智恩电子科技有限公司 | Air source heat pump system combined with photovoltaic system |
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