CN216790351U - Photovoltaic solar heat pump system - Google Patents
Photovoltaic solar heat pump system Download PDFInfo
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- CN216790351U CN216790351U CN202122976668.8U CN202122976668U CN216790351U CN 216790351 U CN216790351 U CN 216790351U CN 202122976668 U CN202122976668 U CN 202122976668U CN 216790351 U CN216790351 U CN 216790351U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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
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Abstract
The utility model discloses a photovoltaic solar heat pump system, which belongs to the technical field of solar energy application and comprises a four-way valve, wherein a first inlet of the four-way valve is connected with a variable frequency compressor through a pipeline, a second outlet of the four-way valve is connected with a heat exchanger through a pipeline, a second outlet of the heat exchanger is connected with a hot water outlet pipeline, a third inlet of the heat exchanger is connected with a hot water inlet pipeline, and a fourth outlet of the heat exchanger is connected with a throttling device through a pipeline; the photovoltaic power generation system generates power through the PVT photovoltaic power generation boards, most of electric quantity is stored in the storage battery, the inverter converts direct current into alternating current to provide electric energy for the variable frequency compressor to enable the variable frequency compressor to work, heating is achieved, a small part of direct current directly heats the heat storage water tank, hot water is achieved, the effect of self-generation and self-use of electricity is achieved, the comprehensive utilization rate of solar energy is improved, the structure is simple, and the photovoltaic power generation system is suitable for small peasant households.
Description
Technical Field
The utility model belongs to the technical field of solar energy application, and particularly relates to a photovoltaic solar heat pump system.
Background
With the development of economy and the advancement of science and technology, energy and environment are two outstanding social problems in the world today, which makes people more aware of the importance of energy sources to human beings and pay more and more attention to the utilization technology of solar energy.
The utilization of solar energy in China mainly focuses on hot water and heating, but at present, the utilization of the two aspects is temporarily independent, and an electricity dual-purpose system is not provided, so that a photovoltaic solar heat pump system needs to be designed to achieve the effect of dual purposes of electricity and fully improve the comprehensive utilization rate of the solar energy.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a photovoltaic solar heat pump system which has the characteristics of self-generation and self-use, realization of dual-purpose effects of water heating and heat supply by one power supply, improvement of the comprehensive utilization rate of solar energy, simple structure and suitability for small peasant household families.
In order to achieve the purpose, the utility model provides the following technical scheme: a photovoltaic solar heat pump system comprises a four-way valve, wherein a first inlet of the four-way valve is connected with a variable frequency compressor through a pipeline, a second outlet of the four-way valve is connected with a heat exchanger through a pipeline, a second outlet of the heat exchanger is connected with a hot water outlet pipeline, a third inlet of the heat exchanger is connected with a hot water inlet pipeline, a fourth outlet of the heat exchanger is connected with a throttling device through a pipeline, an outlet of the throttling device is connected with a plate heat exchanger through a pipeline, a second outlet of the plate heat exchanger is connected with a third inlet of the four-way valve through a pipeline, a fourth outlet of the four-way valve is connected with an inlet of the variable frequency compressor, a third inlet of the plate heat exchanger is connected with a solar heat collecting plate through a pipeline, and a heat conducting liquid circulating pump is assembled on the pipeline between the third inlet of the plate heat exchanger and the outlet of the solar heat collecting plate, the fourth export of plate heat exchanger passes through the access connection of pipeline with solar panel, one side of solar panel is provided with a plurality of PVT photovoltaic power generation board, and is a plurality of assemble supply structure between PVT photovoltaic power generation board's electric energy output port and frequency conversion compressor's electric energy input port, and supply structure makes the electric energy of a plurality of PVT photovoltaic power generation boards supply to frequency conversion compressor, and is a plurality of PVT photovoltaic power generation board's electric energy output port is connected with the heat storage water tank through connecting wire electricity, the access connection of heat storage water tank has the running water inlet pipe way, the exit linkage of heat storage water tank has hot water outlet pipe way, the inside of heat storage water tank is equipped with the electrical heating stick.
Preferably, the supply structure comprises a storage battery and an inverter, an electric energy input port of the storage battery is electrically connected with the plurality of PVT photovoltaic power generation boards through a connecting wire, an electric energy output port of the storage battery is electrically connected with the inverter through a connecting wire, and an electric energy output port of the inverter is electrically connected with the inverter compressor through a connecting wire.
Preferably, the throttling device is an electronic expansion valve.
Preferably, the solar heat collecting plate is provided with an exhaust valve.
Preferably, the electric energy input port of the variable frequency compressor is electrically connected with a change-over switch through a connecting wire, one input wiring terminal of the change-over switch is electrically connected with the inverter through a connecting wire, and the other input wiring terminal of the change-over switch is connected with a 220V commercial power alternating current power supply circuit through a connecting wire.
Preferably, the electric energy input port of the heat storage water tank is connected with a 220V alternating current power supply circuit of commercial power through a connecting wire.
Compared with the prior art, the utility model has the beneficial effects that:
1. the photovoltaic power generation system generates power through the PVT photovoltaic power generation boards, most of electric quantity is stored in the storage battery, the inverter converts direct current into alternating current to provide electric energy for the variable frequency compressor to enable the variable frequency compressor to work, heating is achieved, a small part of direct current directly heats the heat storage water tank, hot water is achieved, the effect of self-generation and self-use of electricity is achieved, the comprehensive utilization rate of solar energy is improved, the structure is simple, and the photovoltaic power generation system is suitable for small peasant households.
2. The compressor is a variable frequency compressor, so that the problem that the service life of the compressor is influenced by instability of the conversion voltage of the PVT photovoltaic power generation panel can be prevented, and the service life of the variable frequency compressor is prolonged.
3. Most of electric quantity is stored in the storage battery, the variable frequency compressor can be used under the condition that the PVT photovoltaic power generation panel is insufficient in power generation at night, meanwhile, an electric energy input port of the variable frequency compressor is connected with a 220V alternating current power supply circuit of a mains supply through the change-over switch and an electric energy input port of the heat storage water tank through a connecting wire, and the variable frequency compressor can be used under the condition that the PVT photovoltaic power generation panel is insufficient in power generation in continuous cloudy and snowy weather periods, so that the functions of continuously heating water and heating all the year around are achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a heat exchanger; 2. a four-way valve; 3. a variable frequency compressor; 4. a throttling device; 5. a plate heat exchanger; 6. a heat transfer liquid circulating pump; 7. a solar collector panel; 8. a PVT photovoltaic panel; 9. a storage battery; 10. an inverter; 11. an exhaust valve; 12. a transfer switch; 13. an electrical heating rod; 14. a heat storage water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: a photovoltaic solar heat pump system comprises a four-way valve 2, a first inlet of the four-way valve 2 is connected with a variable frequency compressor 3 through a pipeline, a second outlet of the four-way valve 2 is connected with a heat exchanger 1 through a pipeline, a second outlet of the heat exchanger 1 is connected with a hot water outlet pipeline, a third inlet of the heat exchanger 1 is connected with a hot water inlet pipeline, a fourth outlet of the heat exchanger 1 is connected with a throttling device 4 through a pipeline, an outlet of the throttling device 4 is connected with a plate heat exchanger 5 through a pipeline, a second outlet of the plate heat exchanger 5 is connected with a third inlet of the four-way valve 2 through a pipeline, a fourth outlet of the four-way valve 2 is connected with an inlet of the variable frequency compressor 3, a third inlet of the plate heat exchanger 5 is connected with a solar heat collecting plate 7 through a pipeline, a heat conducting liquid circulating pump 6 is assembled on a pipeline between the third inlet of the plate heat exchanger 5 and an outlet of the solar heat collecting plate 7, the fourth export of plate heat exchanger 5 passes through the access connection of pipeline with solar panel 7, one side of solar panel 7 is provided with a plurality of PVT photovoltaic power generation boards 8, the assembly feed structure between the electric energy output port of a plurality of PVT photovoltaic power generation boards 8 and the electric energy input port of inverter compressor 3, feed structure makes the electric energy of a plurality of PVT photovoltaic power generation boards 8 supply to inverter compressor 3, the electric energy output port of a plurality of PVT photovoltaic power generation boards 8 is connected with heat storage water tank 14 through connecting wire electricity, heat storage water tank 14's access connection has the running water inlet pipe way, heat storage water tank 14's exit linkage has hot water outlet pipe way, heat storage water tank 14's inside is equipped with electrical heating stick 13.
Specifically, the supply structure comprises a storage battery 9 and an inverter 10, an electric energy input port of the storage battery 9 is electrically connected with the plurality of PVT photovoltaic power generation panels 8 through a connecting wire, an electric energy output port of the storage battery 9 is electrically connected with the inverter 10 through a connecting wire, and an electric energy output port of the inverter 10 is electrically connected with the variable frequency compressor 3 through a connecting wire.
Specifically, the throttle device 4 is an electronic expansion valve.
In particular, the solar collector panel 7 is equipped with an exhaust valve 11.
The working principle of the embodiment is as follows:
the PVT photovoltaic power generation plates 8 generate power, most of electric quantity is stored in a storage battery 9, direct current is converted into alternating current through an inverter 10, electric energy is provided for a variable frequency compressor 3 to enable the variable frequency compressor 3 to work, the low-temperature and low-pressure fluorine medium is compressed into high-temperature and high-pressure gaseous state by the variable frequency compressor 3, the high-temperature and low-pressure fluorine medium enters a heat exchanger 1 through a four-way valve 2, the heat exchanger 1 exchanges heat with a tail end heating system through the heat exchanger 1 to heat and supply heat, the low-temperature and high-pressure gas-liquid mixed state is obtained after the heat exchange with medium water in the heat exchanger 1, the low-temperature and low-pressure gaseous state enters a throttling device 4, the low-temperature and low-pressure gaseous state is expanded into a plate type heat exchanger 5 through a heat conducting liquid circulating pump 6 to exchange heat with heat conducting liquid entering the plate type heat exchanger 5 through the four-way valve 2 after the heat exchange, the variable frequency compressor 3 compresses the heat conducting liquid after the heat exchange enters a solar heat collection plate 7, the circulation is carried out back and forth, a small part of direct current directly heats the heat storage water tank 14, and the effects of spontaneous self-use and one-power dual-use are achieved.
Example 2
The present embodiment is different from embodiment 1 in that:
specifically, an electric energy input port of the inverter compressor 3 is electrically connected with a change-over switch 12 through a connecting wire, one input connection terminal of the change-over switch 12 is electrically connected with the inverter 10 through a connecting wire, and the other input connection terminal of the change-over switch 12 is connected with a commercial power 220V alternating current power supply circuit through a connecting wire.
Specifically, the electric energy input port of the heat storage water tank 14 is connected to a 220V mains supply alternating current power supply circuit through a connecting wire.
In the continuous cloudy snow day period, when a plurality of PVT photovoltaic power generation boards 8 generate electricity insufficiently, carry out AC power supply to inverter compressor 3 and heat storage water tank 14 through commercial power 220V AC power supply circuit to realize hot water, heating dual-purpose.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a photovoltaic solar thermal energy pump system, includes cross valve (2), its characterized in that: the heat exchanger is characterized in that a first inlet of the four-way valve (2) is connected with a variable frequency compressor (3) through a pipeline, a second outlet of the four-way valve (2) is connected with a heat exchanger (1) through a pipeline, a second outlet of the heat exchanger (1) is connected with a hot water outlet pipeline, a third inlet of the heat exchanger (1) is connected with a hot water inlet pipeline, a fourth outlet of the heat exchanger (1) is connected with a throttling device (4) through a pipeline, an outlet of the throttling device (4) is connected with a plate heat exchanger (5) through a pipeline, a second outlet of the plate heat exchanger (5) is connected with a third inlet of the four-way valve (2) through a pipeline, a fourth outlet of the four-way valve (2) is connected with an inlet of the variable frequency compressor (3), a third inlet of the plate heat exchanger (5) is connected with a solar heat collecting plate (7) through a pipeline, and a heat conducting pipe is assembled between the third inlet of the plate heat exchanger (5) and an outlet of the solar heat collecting plate (7) Liquid circulation pump (6), the fourth export of plate heat exchanger (5) passes through the access connection of pipeline with solar panel (7), one side of solar panel (7) is provided with a plurality of PVT photovoltaic power generation board (8), and is a plurality of assemble supply structure between the electric energy output port of PVT photovoltaic power generation board (8) and the electric energy input port of inverter compressor (3), supply structure makes the electric energy of a plurality of PVT photovoltaic power generation board (8) supply to inverter compressor (3), and is a plurality of the electric energy output port of PVT photovoltaic power generation board (8) is electrically connected with heat storage water tank (14) through connecting wire, the access connection of heat storage water tank (14) has running water inlet pipe, the exit linkage of heat storage water tank (14) has hot water outlet pipe way, the inside of heat storage water tank (14) is equipped with electric heating rod (13).
2. A photovoltaic solar heat pump system according to claim 1, characterized in that: the supply structure comprises a storage battery (9) and an inverter (10), wherein an electric energy input port of the storage battery (9) is electrically connected with a plurality of PVT photovoltaic power generation panels (8) through a connecting wire, an electric energy output port of the storage battery (9) is electrically connected with the inverter (10) through the connecting wire, and an electric energy output port of the inverter (10) is electrically connected with the variable-frequency compressor (3) through the connecting wire.
3. A photovoltaic solar heat pump system according to claim 1, characterized in that: the throttling device (4) is an electronic expansion valve.
4. A photovoltaic solar heat pump system according to claim 1, characterized in that: an exhaust valve (11) is assembled on the solar heat collecting plate (7).
5. A photovoltaic solar heat pump system according to claim 2, characterized in that: the electric energy input port of inverter compressor (3) is connected with change over switch (12) through connecting wire electricity, an input binding post of change over switch (12) is connected with dc-to-ac converter (10) electricity through connecting wire, another input binding post of change over switch (12) is connected with commercial power 220V through connecting wire and exchanges power supply circuit.
6. A photovoltaic solar heat pump system according to claim 1, characterized in that: and an electric energy input port of the heat storage water tank (14) is connected with a 220V alternating current power supply circuit of commercial power through a connecting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976668.8U CN216790351U (en) | 2021-11-30 | 2021-11-30 | Photovoltaic solar heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122976668.8U CN216790351U (en) | 2021-11-30 | 2021-11-30 | Photovoltaic solar heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790351U true CN216790351U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122976668.8U Active CN216790351U (en) | 2021-11-30 | 2021-11-30 | Photovoltaic solar heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790351U (en) |
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2021
- 2021-11-30 CN CN202122976668.8U patent/CN216790351U/en active Active
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