CN215983290U - Solar photovoltaic photo-thermal coupling air source heat pump hot water system - Google Patents

Solar photovoltaic photo-thermal coupling air source heat pump hot water system Download PDF

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CN215983290U
CN215983290U CN202122604280.5U CN202122604280U CN215983290U CN 215983290 U CN215983290 U CN 215983290U CN 202122604280 U CN202122604280 U CN 202122604280U CN 215983290 U CN215983290 U CN 215983290U
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air
box body
thermal module
heat
heat pump
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周锦志
袁艳平
季文慧
张楠
邵雪峰
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Southwest Jiaotong University
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Southwest Jiaotong University
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps
    • 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
    • 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
    • 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
    • Y02E10/60—Thermal-PV hybrids
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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Abstract

The utility model provides a solar photovoltaic thermal coupling air source heat pump hot water system which comprises an air type photovoltaic photo-thermal module, a water tank type photovoltaic photo-thermal module, a solar storage battery, a solar inversion system, a water pump, a water cooling heat exchanger, an air cooling heat exchanger, a compressor and an electronic expansion valve. The air source heat pump system is arranged inside the air type photovoltaic photo-thermal module, external air is preheated by the air cooling type photovoltaic photo-thermal module and then serves as a heat source of the air source heat pump, and the air source heat pump and the water tank type photovoltaic photo-thermal module heat domestic hot water together. The system efficiently utilizes solar energy, improves the energy efficiency coefficient of the heat pump system and prevents the frosting of the heat pump evaporator. The air-cooled photovoltaic photo-thermal module and the water tank type photovoltaic photo-thermal module are combined with the air source heat pump, so that the problems that an evaporator is easy to frost, the energy efficiency coefficient is low and the like when the air source heat pump runs in a low-temperature environment in a cold region are solved, and electric energy and hot water can be provided for a building.

Description

Solar photovoltaic photo-thermal coupling air source heat pump hot water system
Technical Field
The utility model belongs to the field of solar energy and heat pump technology and combination, and particularly relates to combined application of a photovoltaic photo-thermal module and a heat pump system.
Background
The heat pump system is a device capable of transferring heat energy of a low-level heat source to a high-level heat source, and the air source heat pump water heating system is widely applied. However, when the system runs in winter, because the outdoor air temperature is low, the surface of the evaporator is frosted due to long-time running of the heat pump, the performance of the system is seriously influenced, frequent shutdown for defrosting is needed, and the application applicability of the system in cold areas is limited. For example, Chinese patents 'wall hanging split type air source heat pump water heater' (CN202020755944.0) and 'multi-section heating air source heat pump water heater' (CN202020325003.3) do not consider the applicability of different climatic regions. Solar energy is used as a wide renewable energy source, can be conveniently collected and applied, and the performance of a heat pump system can be effectively improved by combining the solar energy with a heat pump, so that the solar energy heat pump system is a future development trend.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solar photovoltaic photo-thermal coupling air source heat pump system, which aims at the problems that the existing air source heat pump system is low in energy efficiency during winter operation, the surface of an evaporator is easy to frost, the mode for heating domestic hot water is single and the like. The system is characterized in that a heat pump system is installed inside an air-cooling type photovoltaic photo-thermal module, external cold air is preheated by solar energy, the coefficient of performance of the system is improved, surface frosting is avoided, and meanwhile, a water tank type photovoltaic photo-thermal module and an air source heat pump are used for heating domestic hot water together to improve the energy utilization rate.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:
a solar photovoltaic thermal coupling air source heat pump hot water system comprises an air type photovoltaic photo-thermal module 01, a water tank type photovoltaic photo-thermal module 02 below the air type photovoltaic photo-thermal module 01, an air source heat pump system arranged inside the air type photovoltaic photo-thermal module 01, and a power storage inversion system outside the air type photovoltaic photo-thermal module 01;
the air type photovoltaic photo-thermal module 01 is a cylindrical hollow type and comprises a cylindrical box body 5-1 with an opening on the top side, a first heat absorption plate 4-1, a first flexible photovoltaic cell piece 3-1, a first air heat insulation layer 2-1 and a first hollow acrylic plate 1-1 are sequentially arranged on a light absorption surface, close to illumination, of the cylindrical box body 5-1 with the opening on the top side from inside to outside, and a heat insulation layer 12 and the first hollow acrylic plate 1-1 are sequentially arranged on a backlight surface, far away from illumination, of the cylindrical box body 5-1 with the opening on the top side from inside to outside; a round heat absorption top 6 is arranged above the cylindrical box body 5-1 with the top opening, the round heat absorption top 6 and the first hollow acrylic plate 1-1 at the outermost layer form a closed cavity, the lower end of the first hollow acrylic plate 1-1 is uniformly divided into a plurality of air inlets 15 on the circumference by a support plate 14, and a round air outlet 16 is arranged at the upper end of the backlight surface of the cylindrical box body 5-1 with the top opening;
the water tank type photovoltaic photo-thermal module 02 comprises a sealed cylindrical box body 5-2, wherein a light absorption surface, close to illumination, of the sealed cylindrical box body 5-2 is sequentially provided with a second heat absorption plate 4-2, a second flexible photovoltaic cell sheet 3-2, a second air heat insulation layer 2-2 and a second hollow acrylic plate 1-2 from inside to outside, a backlight surface, far away from illumination, of the sealed cylindrical box body 5-2 is sequentially provided with a heat insulation layer 12 and the second hollow acrylic plate 1-2 from inside to outside, the sealed cylindrical box body 5-2 is of a sealed cylindrical structure, and a water cooling heat exchanger 17 and hot water are arranged inside the sealed cylindrical box body; one end of the water-cooling heat exchanger 17 is communicated with the water pump 13, and the other end is communicated with the liquid-cooling condenser 7;
the air source heat pump system is arranged in the air type photovoltaic photo-thermal module cavity 11 and comprises a liquid cooling condenser 7, an electronic expansion valve 8, an air cooling evaporator 9 and a compressor 10; the air-cooled evaporator 9 is arranged at an air outlet 16 at the upper end of the cylindrical top side opening box body 5-1, a liquid refrigerant is arranged in the air-cooled evaporator 9, a water side heat exchange pipeline of the liquid-cooled condenser 7 is connected with a water-cooled heat exchanger 17 through a water pump 13, and the refrigerant side heat exchange pipeline of the liquid-cooled condenser 7 is connected to the air-cooled evaporator 9 through an electronic expansion valve 8; the air-cooled evaporator 9 is connected with a compressor 10, and the compressor 10 is connected with the liquid-cooled condenser 7;
the power storage inversion system comprises a solar storage battery 18 and a solar inversion system 19; the positive electrode of the solar storage battery 18 is respectively connected with the first flexible photovoltaic cell 3-1, the second flexible photovoltaic cell 3-2 and the positive electrode of the solar inversion system 19, and the negative electrode of the solar storage battery 18 is respectively connected with the first flexible photovoltaic cell 3-1, the second flexible photovoltaic cell 3-2 and the negative electrode of the solar inversion system 19.
Preferably, the air type photovoltaic and thermal module 01 and the water tank type photovoltaic and thermal module 02 have the same diameter, and are bonded and fixed to each other through the insulating layer 12.
Preferably, the air inlet 15 is an opening on the first hollow acrylic plate 1-1 and does not penetrate through the insulating layer 12 and the corresponding position of the cylindrical top-side opening box body 5-1; the air outlet 16 is an opening which simultaneously penetrates through the first hollow acrylic plate 1-1, the heat insulation layer 12 and the cylindrical top side opening box body 5-1 at corresponding positions.
As a preferable mode, an inlet of the water-cooling heat exchanger 17 is communicated with the water pump 13 after passing through the top of the sealed cylindrical box body 5-2, the heat insulation layer 12 and the bottom of the cylindrical box body 5-1 with an opening at the top side through a line; the outlet of the water-cooled heat exchanger 17 is communicated with the liquid-cooled condenser 7 after passing through the top of the sealed cylindrical box body 5-2, the heat-insulating layer 12 and the bottom of the cylindrical top side opening box body 5-1 through lines.
Preferably, the compressor 10 is directly driven by photovoltaic power, and the compressor is directly driven by direct current generated by the air type photovoltaic and thermal module 01 and the water tank type photovoltaic and thermal module 02.
Preferably, the first flexible photovoltaic cell 3-1 is laminated on the light absorption surface of the first heat absorption plate 4-1 through a hot melt adhesive, and the backlight surface of the first heat absorption plate 4-1 is attached to the surface of the cylindrical box body 5-1 with the top opening through a heat conduction adhesive.
The working principle of the utility model is as follows: when the system operates, the air-cooled evaporator 9 is started, external air enters the first air heat insulation layer 2-1 from the air inlet 15 under the drive of the fan, the air cools the first flexible photovoltaic cell 3-1 and the first heat absorption plate 4-1 which are heated by solar radiation in the rising process, the heated air enters the cavity 11 of the air-cooled photovoltaic photo-thermal module, and the heated air enters the air-cooled evaporator 9 after being reheated by the circular heat absorption top 6. The liquid refrigerant inside the air-cooled evaporator 9 absorbs heat from hot air and then vaporizes into the compressor 10, after pressurization and heating, high-pressure and high-temperature refrigerant gas enters the liquid-cooled condenser 7 and releases the heat to heat exchange fluid in the heat exchanger, and the gas refrigerant after heat release is changed into liquid state and enters the electronic expansion valve 8 to be isenthalpic and changed into low-temperature and low-pressure gas-liquid two-phase flow, so that one heat exchange cycle is completed. The heated heat exchange fluid enters the water-cooled heat exchanger 17 under the driving of the water pump 13 and releases heat to the water in the water tank type photovoltaic photo-thermal module 02. At the moment, the second flexible photovoltaic cell 3-2 and the second heat absorbing plate 4-2 absorb heat from solar radiation, and water in the sealed cylindrical box body 5-2 is heated through the wall surface of the sealed cylindrical box body 5-2, namely the air source heat pump system and the water tank type photovoltaic photo-thermal module heat the water in the sealed cylindrical box body 5-2 together. The first flexible photovoltaic cell piece 3-1 and the second flexible photovoltaic cell piece 3-2 convert part of solar illumination into electric energy and store the electric energy in the solar storage battery 18, and the electric energy can be inverted into alternating current through the solar inversion system 19 and then is used by a user.
The technical concept of the system of the utility model is as follows:
the air type photovoltaic photo-thermal module, the water tank type photovoltaic photo-thermal module and the air source heat pump system are coupled to achieve the functions of supplying power to the building and supplying domestic hot water. The water tank type photovoltaic photo-thermal module is used for assisting in heating, so that the operation energy consumption of the air source heat pump is greatly reduced, and the electric energy is saved; and the air-cooled photovoltaic photo-thermal module can preheat external cold air, so that the energy efficiency of a heat pump system is improved, and the energy consumption of the heat pump is further reduced.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the air type photovoltaic photo-thermal module and the water tank type photovoltaic photo-thermal module are combined with the heat pump system, so that electric energy and hot water can be provided for a building, and the function diversification of the system is realized.
2. The system adopts the air-cooling type photovoltaic photo-thermal module to preheat cold air, so that the performance coefficient of the heat pump is improved, and the evaporator is prevented from frosting.
3. The water tank type photovoltaic photo-thermal module and the heat pump heat domestic hot water together, so that the running time of the heat pump is shortened, and electric energy is saved.
Drawings
Fig. 1 is an operation schematic diagram of a solar photovoltaic optothermal coupling air source heat pump system according to an embodiment of the present invention;
in the figure, 01 is an air type photovoltaic photo-thermal module, 02 is a water tank type photovoltaic photo-thermal module, 1-1 is a first hollow acrylic plate, 1-2 is a second hollow acrylic plate, 2-1 is a first air heat insulation layer, 2-2 is a second air heat insulation layer, 3-1 is a first flexible photovoltaic cell, 3-2 is a second flexible photovoltaic cell, 4-1 is a first heat absorption plate, 4-2 is a second heat absorption plate, 5-1 is a cylindrical top side opening box, 5-2 is a sealed cylindrical box, 6 is a circular heat absorption top, 7 is a liquid cooling condenser, 8 is an electronic expansion valve, 9 is an air cooling evaporator, 10 is a compressor, 11 is an air cooling photovoltaic photo-thermal module cavity, 12 is a heat insulation layer, 13 is a water pump, 14 is a support plate, 15 is an air inlet, 16 is an air outlet, 17 is a water cooling heat exchanger, 18 is a solar storage battery, and 19 is a solar inversion system.
Detailed Description
As shown in fig. 1, a solar photovoltaic thermal coupling air source heat pump hot water system comprises an air type photovoltaic photo-thermal module 01, a water tank type photovoltaic photo-thermal module 02 below the air type photovoltaic photo-thermal module 01, an air source heat pump system arranged inside the air type photovoltaic photo-thermal module 01, and an electricity storage inversion system outside the air type photovoltaic photo-thermal module 01;
the air type photovoltaic photo-thermal module 01 is a cylindrical hollow type and comprises a cylindrical box body 5-1 with an opening on the top side, a first heat absorption plate 4-1, a first flexible photovoltaic cell piece 3-1, a first air heat insulation layer 2-1 and a first hollow acrylic plate 1-1 are sequentially arranged on a light absorption surface, close to illumination, of the cylindrical box body 5-1 with the opening on the top side from inside to outside, and a heat insulation layer 12 and the first hollow acrylic plate 1-1 are sequentially arranged on a backlight surface, far away from illumination, of the cylindrical box body 5-1 with the opening on the top side from inside to outside; a round heat absorption top 6 is arranged above the cylindrical box body 5-1 with the top opening, the round heat absorption top 6 and the first hollow acrylic plate 1-1 at the outermost layer form a closed cavity, the lower end of the first hollow acrylic plate 1-1 is uniformly divided into a plurality of air inlets 15 on the circumference by a support plate 14, and a round air outlet 16 is arranged at the upper end of the backlight surface of the cylindrical box body 5-1 with the top opening;
the water tank type photovoltaic photo-thermal module 02 comprises a sealed cylindrical box body 5-2, wherein a light absorption surface, close to illumination, of the sealed cylindrical box body 5-2 is sequentially provided with a second heat absorption plate 4-2, a second flexible photovoltaic cell sheet 3-2, a second air heat insulation layer 2-2 and a second hollow acrylic plate 1-2 from inside to outside, a backlight surface, far away from illumination, of the sealed cylindrical box body 5-2 is sequentially provided with a heat insulation layer 12 and the second hollow acrylic plate 1-2 from inside to outside, the sealed cylindrical box body 5-2 is of a sealed cylindrical structure, and a water cooling heat exchanger 17 and hot water are arranged inside the sealed cylindrical box body; one end of the water-cooling heat exchanger 17 is communicated with the water pump 13, and the other end is communicated with the liquid-cooling condenser 7;
the air source heat pump system is arranged in the air type photovoltaic photo-thermal module cavity 11 and comprises a liquid cooling condenser 7, an electronic expansion valve 8, an air cooling evaporator 9 and a compressor 10; the air-cooled evaporator 9 is arranged at an air outlet 16 at the upper end of the cylindrical top side opening box body 5-1, a liquid refrigerant is arranged in the air-cooled evaporator 9, a water side heat exchange pipeline of the liquid-cooled condenser 7 is connected with a water-cooled heat exchanger 17 through a water pump 13, and the refrigerant side heat exchange pipeline of the liquid-cooled condenser 7 is connected to the air-cooled evaporator 9 through an electronic expansion valve 8; the air-cooled evaporator 9 is connected with a compressor 10, and the compressor 10 is connected with the liquid-cooled condenser 7;
the power storage inversion system comprises a solar storage battery 18 and a solar inversion system 19; the positive electrode of the solar storage battery 18 is respectively connected with the first flexible photovoltaic cell 3-1, the second flexible photovoltaic cell 3-2 and the positive electrode of the solar inversion system 19, and the negative electrode of the solar storage battery 18 is respectively connected with the first flexible photovoltaic cell 3-1, the second flexible photovoltaic cell 3-2 and the negative electrode of the solar inversion system 19.
The air type photovoltaic photo-thermal module 01 and the water tank type photovoltaic photo-thermal module 02 have the same diameter, and are bonded and fixed through the heat preservation layer 12.
The air inlet 15 is an opening on the first hollow acrylic plate 1-1 and does not penetrate through the insulating layer 12 and the corresponding position of the cylindrical box body 5-1 with the top side opening; the air outlet 16 is an opening which simultaneously penetrates through the first hollow acrylic plate 1-1, the heat insulation layer 12 and the cylindrical top side opening box body 5-1 at corresponding positions.
An inlet of the water-cooling heat exchanger 17 penetrates through the top of the sealed cylindrical box body 5-2, the heat insulation layer 12 and the bottom of the cylindrical top side opening box body 5-1 through a line and then is communicated with the water pump 13; the outlet of the water-cooled heat exchanger 17 is communicated with the liquid-cooled condenser 7 after passing through the top of the sealed cylindrical box body 5-2, the heat-insulating layer 12 and the bottom of the cylindrical top side opening box body 5-1 through lines.
The compressor 10 directly drives the compressor by photovoltaic, and the compressor is directly driven to operate by direct current generated by the air type photovoltaic photo-thermal module 01 and the water tank type photovoltaic photo-thermal module 02.
The first flexible photovoltaic cell piece 3-1 is laminated on a light absorption surface of the first heat absorption plate 4-1 through a hot melt adhesive, and a backlight surface of the first heat absorption plate 4-1 is attached to the surface of the cylindrical box body 5-1 with the top opening through a heat conduction adhesive.
When the system operates, the air-cooled evaporator 9 is started, external air enters the first air heat insulation layer 2-1 from the air inlet 15 under the drive of the fan, the air cools the first flexible photovoltaic cell 3-1 and the first heat absorption plate 4-1 which are heated by solar radiation in the rising process, the heated air enters the cavity 11 of the air-cooled photovoltaic photo-thermal module, and the heated air enters the air-cooled evaporator 9 after being reheated by the circular heat absorption top 6. The liquid refrigerant inside the air-cooled evaporator 9 absorbs heat from hot air and then vaporizes into the compressor 10, after pressurization and heating, high-pressure and high-temperature refrigerant gas enters the liquid-cooled condenser 7 and releases the heat to heat exchange fluid in the heat exchanger, and the gas refrigerant after heat release is changed into liquid state and enters the electronic expansion valve 8 to be isenthalpic and changed into low-temperature and low-pressure gas-liquid two-phase flow, so that one heat exchange cycle is completed. The heated heat exchange fluid enters the water-cooled heat exchanger 17 under the driving of the water pump 13 and releases heat to the water in the water tank type photovoltaic photo-thermal module 02. At the moment, the second flexible photovoltaic cell 3-2 and the second heat absorbing plate 4-2 absorb heat from solar radiation, and water in the sealed cylindrical box body 5-2 is heated through the wall surface of the sealed cylindrical box body 5-2, namely the air source heat pump system and the water tank type photovoltaic photo-thermal module heat the water in the sealed cylindrical box body 5-2 together. The first flexible photovoltaic cell piece 3-1 and the second flexible photovoltaic cell piece 3-2 convert part of solar illumination into electric energy and store the electric energy in the solar storage battery 18, and the electric energy can be inverted into alternating current through the solar inversion system 19 and then is used by a user.
While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. A solar photovoltaic photo-thermal coupling air source heat pump hot water system is characterized in that: the solar photovoltaic and thermal power generation system comprises an air type photovoltaic and thermal module (01), a water tank type photovoltaic and thermal module (02) below the air type photovoltaic and thermal module (01), an air source heat pump system arranged inside the air type photovoltaic and thermal module (01), and a power storage inversion system outside the air type photovoltaic and thermal module (01);
the air type photovoltaic photo-thermal module (01) is a cylindrical hollow type and comprises a cylindrical box body (5-1) with an opening at the top side, a first heat absorption plate (4-1), a first flexible photovoltaic cell (3-1), a first air heat insulation layer (2-1) and a first hollow acrylic plate (1-1) are sequentially arranged on the cylindrical box body (5-1) close to an illuminated light absorption surface from inside to outside, and a heat insulation layer (12) and the first hollow acrylic plate (1-1) are sequentially arranged on the cylindrical box body (5-1) with the opening at the top side, away from the illuminated backlight surface, from inside to outside; a round heat-absorbing top (6) is arranged above the cylindrical box body (5-1) with the top side opening, the round heat-absorbing top (6) and the outermost first hollow acrylic plate (1-1) form a closed cavity, the lower end of the first hollow acrylic plate (1-1) is uniformly divided into a plurality of air inlets (15) on the circumference by a support plate (14), and a round air outlet (16) is arranged at the upper end of the backlight surface of the cylindrical box body (5-1) with the top side opening;
the water tank type photovoltaic photo-thermal module (02) comprises a sealed cylindrical box body (5-2), a second heat absorption plate (4-2), a second flexible photovoltaic cell sheet (3-2), a second air heat insulation layer (2-2) and a second hollow acrylic plate (1-2) are sequentially arranged on a light absorption surface, close to illumination, of the sealed cylindrical box body (5-2) from inside to outside, a heat insulation layer (12) and the second hollow acrylic plate (1-2) are sequentially arranged on a backlight surface, far away from illumination, of the sealed cylindrical box body (5-2) from inside to outside, the sealed cylindrical box body (5-2) is of a cylindrical sealing type structure, and a water cooling heat exchanger (17) and hot water are arranged inside the sealed cylindrical box body; one end of the water-cooling heat exchanger (17) is communicated with the water pump (13), and the other end is communicated with the liquid-cooling condenser (7);
the air source heat pump system is arranged in the air type photovoltaic photo-thermal module cavity (11) and comprises a liquid cooling condenser (7), an electronic expansion valve (8), an air cooling evaporator (9) and a compressor (10); the air-cooled evaporator (9) is arranged at an air outlet (16) at the upper end of the cylindrical top side opening box body (5-1), a liquid refrigerant is arranged in the air-cooled evaporator (9), a water side heat exchange pipeline of the liquid-cooled condenser (7) is connected with a water-cooled heat exchanger (17) through a water pump (13), and a refrigerant side heat exchange pipeline of the liquid-cooled condenser (7) is connected to the air-cooled evaporator (9) through an electronic expansion valve (8); the air-cooled evaporator (9) is connected with a compressor (10), and the compressor (10) is connected with the liquid-cooled condenser (7);
the power storage inversion system comprises a solar storage battery (18) and a solar inversion system (19); the positive pole of the solar storage battery (18) is respectively connected with the positive poles of the first flexible photovoltaic cell (3-1), the second flexible photovoltaic cell (3-2) and the solar inversion system (19), and the negative pole of the solar storage battery (18) is respectively connected with the negative poles of the first flexible photovoltaic cell (3-1), the second flexible photovoltaic cell (3-2) and the solar inversion system (19).
2. The solar photovoltaic optothermal coupling air source heat pump hot water system of claim 1, wherein: the air type photovoltaic photo-thermal module (01) and the water tank type photovoltaic photo-thermal module (02) have the same diameter, and are bonded and fixed through the heat preservation layer (12).
3. The solar photovoltaic optothermal coupling air source heat pump hot water system of claim 1, wherein: the air inlet (15) is an opening on the first hollow acrylic plate (1-1) and does not penetrate through the insulating layer (12) and the corresponding position of the cylindrical box body (5-1) with the top side opening; and the air outlet (16) is an opening which simultaneously penetrates through the first hollow acrylic plate (1-1), the heat insulation layer (12) and the corresponding position of the cylindrical top side opening box body (5-1).
4. The solar photovoltaic optothermal coupling air source heat pump hot water system of claim 1, wherein: an inlet of the water-cooling heat exchanger (17) penetrates through the top of the sealed cylindrical box body (5-2), the heat insulation layer (12) and the bottom of the cylindrical top side opening box body (5-1) through a line and then is communicated with the water pump (13); an outlet of the water-cooling heat exchanger (17) penetrates through the top of the sealed cylindrical box body (5-2), the heat insulation layer (12) and the bottom of the cylindrical top side opening box body (5-1) through a line and then is communicated with the liquid-cooling condenser (7).
5. The solar photovoltaic optothermal coupling air source heat pump hot water system of claim 1, wherein: the compressor (10) is directly driven by photovoltaic, and the compressor is directly driven to operate by direct current generated by the air type photovoltaic photo-thermal module (01) and the water tank type photovoltaic photo-thermal module (02).
6. The solar photovoltaic optothermal coupling air source heat pump hot water system of claim 1, wherein: the first flexible photovoltaic cell (3-1) is laminated on a light absorption surface of the first heat absorption plate (4-1) through a hot melt adhesive, and a backlight surface of the first heat absorption plate (4-1) is attached to the surface of the cylindrical box body (5-1) with the top side opening through heat conduction adhesive.
CN202122604280.5U 2021-10-27 2021-10-27 Solar photovoltaic photo-thermal coupling air source heat pump hot water system Active CN215983290U (en)

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