CN114725233B - Solar photovoltaic photo-thermal assembly capable of equalizing current and manufacturing method thereof - Google Patents
Solar photovoltaic photo-thermal assembly capable of equalizing current and manufacturing method thereof Download PDFInfo
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- CN114725233B CN114725233B CN202210355155.1A CN202210355155A CN114725233B CN 114725233 B CN114725233 B CN 114725233B CN 202210355155 A CN202210355155 A CN 202210355155A CN 114725233 B CN114725233 B CN 114725233B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 29
- 229910052782 aluminium Inorganic materials 0.000 claims description 29
- 239000002313 adhesive film Substances 0.000 claims description 20
- 238000004026 adhesive bonding Methods 0.000 claims description 14
- 238000004806 packaging method and process Methods 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 238000000137 annealing Methods 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229920000297 Rayon Polymers 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
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- 238000000576 coating method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
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- 239000008236 heating water Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
- H01L31/0521—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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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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- 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
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Abstract
The application relates to a current-sharing solar photovoltaic photo-thermal assembly and a manufacturing method thereof, wherein the current-sharing solar photovoltaic photo-thermal assembly comprises a photovoltaic module, a photo-thermal module and viscose; the photovoltaic module is of a multilayer structure; the photo-thermal module is a single-sided inflation type heat exchange plate; the plane side of the photo-thermal module is adhered to the back side of the back plate of the photovoltaic module through adhesive. The beneficial effects of the application are as follows: the application ensures that working media are reasonably distributed on the whole assembly panel, so that the flow is uniform, the heat absorption of the working media is uniform, the whole assembly temperature is uniform, and the improvement of the whole power generation efficiency of the photovoltaic assembly is facilitated.
Description
Technical Field
The application relates to the field of comprehensive utilization of solar photovoltaic photo-thermal, in particular to a current-sharing solar photovoltaic photo-thermal assembly and a manufacturing method thereof.
Background
Solar photovoltaic and photo-thermal utilization are currently the most dominant forms of solar energy utilization. The photoelectric conversion efficiency of the solar photovoltaic module is generally about 20%, more than 60% of incident solar light is converted into heat energy, so that the temperature of the photovoltaic module is increased, the power generation efficiency of the module is reduced, and the module is aged rapidly due to the increase of the temperature of the module. The back of the photovoltaic module is provided with the heat exchange device for heating water, air, refrigerant and the like, so that the temperature of the photovoltaic module can be reduced, the power generation efficiency is improved, the waste heat of the module can be utilized, the heat energy is output, and the comprehensive utilization efficiency of solar energy is improved.
In recent years, solar photovoltaic photo-thermal technology has been increasingly researched and developed. Compared with the traditional water working medium and air working medium photovoltaic photo-thermal utilization system, the photovoltaic photo-thermal assembly combined heat pump system taking the refrigerant as the working medium is becoming the first choice of the building energy-saving and hot water system due to higher heat utilization efficiency and more stable hot water output, and the photovoltaic photo-thermal assembly is the key component of the system. The refrigerant working medium is heated into a gaseous state from a liquid state in the photovoltaic photo-thermal assembly, the working medium has different states such as a liquid state, a gas-liquid mixed state, a gaseous state and the like, meanwhile, the photovoltaic photo-thermal assembly has the problems of uneven flow, uneven temperature and low heat collection efficiency due to large area, and in addition, when the photovoltaic photo-thermal assembly is produced by adopting the traditional lamination technology, the photovoltaic photo-thermal assembly is bent and deformed after high-temperature lamination is completed and cooled to normal temperature due to different thermal expansion coefficients of the photovoltaic assembly and the photo-thermal module, so that the quality of the photovoltaic photo-thermal assembly is affected.
Disclosure of Invention
The application aims to overcome the defects in the prior art and provides a current-sharing solar photovoltaic photo-thermal assembly and a manufacturing method thereof, wherein the technical scheme is as follows:
in a first aspect, a solar photovoltaic photo-thermal assembly for current sharing is provided, comprising: photovoltaic module, photo-thermal module and adhesive;
the photovoltaic module is of a multilayer structure, and comprises a transparent cover plate, a first packaging adhesive film, a photovoltaic cell, a second packaging adhesive film and a back plate from top to bottom; the photo-thermal module is a single-sided inflation type heat exchange plate, and the photo-thermal module comprises: a working medium inlet, a working medium outlet, a working medium flow channel and a flange; and the plane side of the photo-thermal module is adhered to the back side of the back plate of the photovoltaic module through the adhesive.
Preferably, the working fluid flow passage includes: an inlet flow equalizing area flow channel, a main working area flow channel and an outlet flow equalizing area flow channel; the hydraulic diameter of the flow passage of the outlet flow equalizing area is larger than that of the flow passage of the main working area, the hydraulic diameter of the flow passage of the main working area is larger than that of the flow passage of the inlet flow equalizing area, and the hydraulic diameter of the flow passage of the main working area is gradually increased along with the flowing direction of working medium.
Preferably, two strip-shaped intervals are arranged on the main working area flow channel, and the main working area flow channel is divided into three areas; the strip-shaped interval is perpendicular to the upper edge of the photo-thermal module.
Preferably, the main working area runner is also provided with a main working area interval, and the main working area interval is square; the inlet flow equalizing area flow channel is provided with inlet flow equalizing area intervals which are round; the outlet flow equalizing area flow channel is provided with outlet flow equalizing area intervals which are round.
Preferably, the working medium inlet is arranged at the side edge side of the boundary between the lower edge of the photo-thermal module and the side edge of the photo-thermal module; the working medium outlet is arranged on the side edge side of the junction between the upper edge of the photo-thermal module and the side edge of the photo-thermal module on the other side, and the working medium inlet and the working medium outlet are diagonally arranged; the width of the working medium outlet is 1.5-2.5 times of the width of the working medium inlet.
Preferably, the included angle between the wall surface of the flow passage of the inlet flow equalizing area, which is close to the lower edge of the photo-thermal module, and the lower edge of the photo-thermal module is 1-5 degrees; the included angle between the wall surface of the flow channel of the outlet flow equalizing area, which is close to the upper edge of the photo-thermal module, and the upper edge of the photo-thermal module is 1-5 degrees.
Preferably, the width of the photo-thermal module is equal to that of the photovoltaic module, and the length of the photo-thermal module is 30-60 mm smaller than that of the photovoltaic module.
Preferably, the junction box of the photovoltaic module is arranged at the top of the backboard and above the upper edge of the photo-thermal module, the center of the junction box is 15-30 mm away from the upper edge of the photovoltaic module, and the center of the junction box is 15-30 mm away from the upper edge of the photo-thermal module.
In a second aspect, a method for manufacturing a current-sharing solar photovoltaic and photo-thermal module is provided, where the method is used for manufacturing any one of the current-sharing solar photovoltaic and photo-thermal modules in the first aspect, and the method includes:
step 1, sequentially placing a back plate, a second packaging adhesive film, a photovoltaic cell sheet, a first packaging adhesive film and a transparent cover plate from bottom to top, and placing the back plate, the second packaging adhesive film, the photovoltaic cell sheet, the first packaging adhesive film and the transparent cover plate into a laminating machine for lamination to prepare a photovoltaic module;
step 2, manufacturing a photo-thermal module;
and 3, placing the backboard upwards on a plane, placing the gluing die on the photovoltaic backboard, brushing adhesive, and controlling the thickness of the whole adhesive film to be consistent through the gluing die, wherein the thickness of the adhesive film is 0.3-2 mm. And taking down the gluing mould after gluing, placing the plane side of the photo-thermal module on the adhesive, and bonding the photovoltaic module and the photo-thermal module into a photovoltaic photo-thermal assembly.
Preferably, step 2 includes:
step 2.1, preparing an aluminum alloy aluminum plate and a pure aluminum plate; printing a rolling inhibitor on the aluminum alloy aluminum plate according to the patterns of the working medium inlet, the working medium outlet and the working medium flow channel;
step 2.2, attaching an aluminum alloy aluminum plate and a pure aluminum plate, and fixing; then hot rolling and cold rolling are carried out on the two aluminum plates, so that the two aluminum plates are closely attached;
step 2.3, selecting an inflation port at the working medium inlet, introducing high-pressure gas of 10-15 MPa, and inflating the bonded aluminum alloy aluminum plate and pure aluminum plate to form a single-sided inflation type heat exchange plate;
step 2.4, annealing the single-sided inflation type heat exchange plate at the annealing temperature of 400-500 ℃ for 12-24 hours;
and 2.5, cutting the annealed single-sided expansion type heat exchange plate according to a certain size, and performing four-sided flanging on the cut single-sided expansion type heat exchange plate to form the photo-thermal module.
The beneficial effects of the application are as follows:
(1) According to the photovoltaic photo-thermal assembly, the flow equalizing areas are arranged in the outlet area and the inlet area, so that the working medium is uniformly distributed, the reasonable intervals are arranged in the main flow area, the working medium is prevented from being directly rushed to the outlet from the inlet, the circular intervals and the square intervals are adopted, the working medium is reasonably distributed on the whole assembly panel, the flow is uniform, the heat absorption of the working medium is uniform, the overall temperature of the assembly is uniform, and the overall power generation efficiency of the photovoltaic assembly is improved;
(2) According to the photovoltaic photo-thermal assembly provided by the application, the working medium is changed from a liquid state to a gas state, a gas-liquid mixed state exists, the hydraulic diameter of a flow channel is continuously increased along with the flowing direction, so that the flowing resistance of the working medium is smaller, and the power required for pushing the working medium to flow is reduced;
(3) The manufacturing method of the solar photovoltaic photo-thermal assembly provided by the application adopts a method combining a lamination technology and an adhesive technology, solves the problem of deformation of the photovoltaic photo-thermal assembly generated by the traditional lamination technology, and uses the adhesive coating die to ensure that the adhesive coating is uniform, the thickness of the whole adhesive coating is kept consistent, air bubbles generated during adhesive bonding are reduced, and heat exchange non-uniformity and temperature non-uniformity caused by contact thermal resistance due to the air bubbles are reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of a current-sharing solar photovoltaic photo-thermal module provided by the application;
FIG. 2 is a schematic view of a flow channel structure of a photo-thermal module according to the present application;
FIG. 3 is a top view of the back side of the solar photovoltaic thermal module provided by the application;
fig. 4 is a top view of the glue application mold provided by the application;
FIG. 5 is a cross-sectional view taken along the direction A-A of FIG. 4 in accordance with the present application;
reference numerals illustrate: the photovoltaic module 1, the transparent cover plate 11, the first packaging adhesive film 12, the photovoltaic cell 13, the second packaging adhesive film 14, the back plate 15, the photovoltaic module upper edge 16, the photo-thermal module 2, the single-sided inflation heat exchange plate 21, the folded edge 22, the working medium flow channel 23, the working medium inlet 24, the working medium outlet 25, the inlet flow equalizing area flow channel 26, the inlet flow equalizing area interval 27, the main working area flow channel 28, the main working area interval 29, the strip-shaped interval 210, the outlet flow equalizing area flow channel 211, the outlet flow equalizing area interval 212, the photo-thermal module upper edge 213, the photo-thermal module lower edge 214, the photo-thermal module side edge 215, the adhesive 3, the junction box position 4 and the gluing die 5.
Detailed Description
The application is further described below with reference to examples. The following examples are presented only to aid in the understanding of the application. It should be noted that it will be apparent to those skilled in the art that modifications can be made to the present application without departing from the principles of the application, and such modifications and adaptations are intended to be within the scope of the application as defined in the following claims.
Example 1:
a current sharing solar photovoltaic photo-thermal assembly, as shown in fig. 1, comprising: a photovoltaic module 1, a photo-thermal module 2 and an adhesive 3;
the photovoltaic module 1 is in a multilayer structure, and comprises a transparent cover plate 11, a first packaging adhesive film 12, a photovoltaic cell 13, a second packaging adhesive film 14 and a back plate 15 from top to bottom; the photo-thermal module 2 is a single-sided expansion heat exchange plate 21, as shown in fig. 2, and the photo-thermal module 2 includes: a working medium inlet 24, a working medium outlet 25, a working medium flow channel 23 and a flange 22; the planar side of the photo-thermal module 2 is adhered to the back side of the back sheet 15 of the photovoltaic module 1 by means of the adhesive 3.
The working fluid flow passage 23 includes: an inlet equalization zone flow channel 26, a primary working zone flow channel 28, and an outlet equalization zone flow channel 211; the hydraulic diameter of the outlet flow equalizing area flow channel 211 is larger than that of the main working area flow channel 28, the hydraulic diameter of the main working area flow channel 28 is larger than that of the inlet flow equalizing area flow channel 26, and the hydraulic diameter of the main working area flow channel 28 gradually increases along with the flowing direction of the working medium. Because the application adopts the round and square intervals and the hydraulic diameter of the variable flow channel, the working medium flows uniformly in the whole photo-thermal module, and the power generation efficiency and the power generation capacity of the assembly can be improved.
Two strip-shaped spaces 210 are arranged on the main working area flow channel 28 to divide the main working area flow channel 28 into three areas; the elongated spaces 210 are perpendicular to the photothermal module upper edge 213.
The main working area flow channel 28 is also provided with a main working area interval 29, and the main working area interval 29 is square; the inlet flow equalizing area flow channel 26 is provided with an inlet flow equalizing area interval 27, and the inlet flow equalizing area interval 27 is circular; the outlet flow equalizing area channel 211 is provided with an outlet flow equalizing area interval 212, and the outlet flow equalizing area interval 212 is circular.
As shown in fig. 3, the 5 working medium inlet 24 is arranged at the side edge of the boundary between the lower edge 214 of the photo-thermal module and the side edge 215 of the photo-thermal module; the working medium outlet 25 is arranged on the side edge side of the junction of the upper edge 213 of the photo-thermal module and the side edge 215 of the photo-thermal module on the other side, and the working medium inlet 24 and the working medium outlet 25 are diagonally arranged; the width of the working medium outlet 25 is 1.5-2.5 times of the width of the working medium inlet 24.
The included angle between the flow passage wall surface of the flow passage 26 of the inlet flow equalizing area, which is close to the lower edge 214 of the photo-thermal module, and the lower edge 214 of the photo-thermal module is 1-5 degrees; the included angle between the flow channel wall surface of the flow channel 211 of the outlet flow equalizing area, which is close to the upper edge 213 of the photo-thermal module, and the upper edge 213 of the photo-thermal module is 1-5 degrees.
The width of the photo-thermal module 2 is equal to that of the photovoltaic module 1, and the length of the photo-thermal module 2 is 30-60 mm smaller than that of the photovoltaic module 1.
The junction box position 4 of the photovoltaic module 1 is arranged on the top of the back plate 15 and above the upper edge 213 of the photo-thermal module, the size of the center of the junction box position 4 from the upper edge 16 of the photovoltaic module is 15-30 mm, and the size of the center of the junction box position 4 from the upper edge 213 of the photo-thermal module is 15-30 mm. The photovoltaic module junction box is arranged outside the photo-thermal module area, so that the influence of the junction box on the photo-thermal module flow channel can be avoided.
Example 2:
a manufacturing method of a current-sharing solar photovoltaic photo-thermal assembly comprises the following steps:
step 1, sequentially placing a back plate 15, an encapsulation adhesive film 14, a photovoltaic cell sheet 13, an encapsulation adhesive film 12 and a transparent cover plate 11 from bottom to top, and placing the materials into a laminating machine for lamination to prepare a photovoltaic module 1;
step 2, manufacturing a photo-thermal module 2;
and 3, placing the backboard 15 on a plane upwards, placing the gluing die 5 on the photovoltaic backboard 15, brushing the adhesive 3, and controlling the thickness of the whole adhesive film to be consistent through the gluing die 5, wherein the thickness of the adhesive film is 0.3-2 mm. And after gluing, taking down the gluing mould 5, placing the plane side of the photo-thermal module 2 on the adhesive 3, and bonding the photovoltaic module 1 and the photo-thermal module 2 into a photovoltaic photo-thermal assembly.
The application adopts the manufacturing method of the photovoltaic photo-thermal component combining the traditional lamination method and the adhesive method, solves the problem of component deformation existing before, improves the quality of the component and prolongs the service life.
The step 2 comprises the following steps:
step 2.1, preparing an aluminum alloy aluminum plate and a pure aluminum plate; printing a rolling inhibitor on the aluminum alloy aluminum plate according to the patterns of the working medium inlet 24, the working medium outlet 25 and the working medium flow channel 23;
in step 2.1, the aluminum alloy aluminum plate is 3003 or 3004, and the pure aluminum plate is 1050 or 1060.
Step 2.2, attaching an aluminum alloy aluminum plate and a pure aluminum plate, and fixing; then hot rolling and cold rolling are carried out on the two aluminum plates, so that the two aluminum plates are closely attached;
step 2.3, selecting an inflation port at the working medium inlet 24, introducing high-pressure gas of 10-15 MPa, and inflating the bonded aluminum alloy aluminum plate and pure aluminum plate to form a single-sided inflation type heat exchange plate 21;
step 2.4, carrying out annealing treatment on the single-sided inflation type heat exchange plate 21, wherein the annealing temperature is 400-500 ℃ and the annealing time is 12-24 hours;
and 2.5, cutting the annealed single-sided expansion type heat exchange plate 21 according to a certain size, and performing four-sided flanging on the cut single-sided expansion type heat exchange plate 21 to form the photo-thermal module 2.
Claims (7)
1. A solar photovoltaic photo-thermal assembly for current sharing, comprising: the photovoltaic module (1), the photo-thermal module (2) and the adhesive (3);
the photovoltaic module (1) is of a multilayer structure, and comprises a transparent cover plate (11), a first packaging adhesive film (12), a photovoltaic cell (13), a second packaging adhesive film (14) and a back plate (15) from top to bottom; the photo-thermal module (2) is a single-sided inflation type heat exchange plate (21), and the photo-thermal module (2) comprises: a working medium inlet (24), a working medium outlet (25), a working medium flow channel (23) and a flange (22); the plane side of the photo-thermal module (2) is adhered to the back side of the back plate (15) of the photovoltaic module (1) through the adhesive (3);
the working fluid flow passage (23) includes: an inlet flow equalizing area flow passage (26), a main working area flow passage (28) and an outlet flow equalizing area flow passage (211); the hydraulic diameter of the outlet flow equalizing area flow channel (211) is larger than that of the main working area flow channel (28), the hydraulic diameter of the main working area flow channel (28) is larger than that of the inlet flow equalizing area flow channel (26), and the hydraulic diameter of the main working area flow channel (28) is gradually increased along with the flowing direction of working medium;
two strip-shaped intervals (210) are arranged on the main working area flow channel (28), and the main working area flow channel (28) is divided into three areas; the strip-shaped interval (210) is perpendicular to the upper edge (213) of the photo-thermal module;
a main working area interval (29) is further arranged on the main working area runner (28), and the main working area interval (29) is square; an inlet flow equalizing area interval (27) is arranged on the inlet flow equalizing area flow channel (26), and the inlet flow equalizing area interval (27) is circular; the outlet flow equalizing area flow channel (211) is provided with outlet flow equalizing area intervals (212), and the outlet flow equalizing area intervals (212) are round.
2. The flow-equalizing solar photovoltaic photo-thermal assembly according to claim 1, wherein the working medium inlet (24) is arranged at the side edge side of the interface between the photo-thermal module lower edge (214) and the photo-thermal module side edge (215); the working medium outlet (25) is arranged on the side edge side of the junction of the upper edge (213) of the photo-thermal module and the side edge (215) of the photo-thermal module on the other side, and the working medium inlet (24) and the working medium outlet (25) are diagonally arranged; the width of the working medium outlet (25) is 1.5-2.5 times of the width of the working medium inlet (24).
3. The flow equalization solar photovoltaic photo-thermal assembly of claim 1, wherein an included angle between a flow passage wall surface of the inlet flow equalization region flow passage (26) close to the lower edge (214) of the photo-thermal module and the lower edge (214) of the photo-thermal module is 1-5 degrees; the included angle between the flow passage wall surface of the flow passage (211) of the outlet flow equalizing area, which is close to the upper edge (213) of the photo-thermal module, and the upper edge (213) of the photo-thermal module is 1-5 degrees.
4. The current-sharing solar photovoltaic photo-thermal assembly according to claim 1, wherein the photo-thermal module (2) is equal to the photovoltaic module (1) in width, and the length of the photo-thermal module (2) is 30-60 mm smaller than the length of the photovoltaic module (1).
5. The current-sharing solar photovoltaic photo-thermal assembly according to claim 1, wherein the junction box position (4) of the photovoltaic module (1) is arranged on the top of the back plate (15) and above the upper edge (213) of the photo-thermal module, the size of the center of the junction box position (4) from the upper edge (16) of the photovoltaic module is 15-30 mm, and the size of the center of the junction box position (4) from the upper edge (213) of the photo-thermal module is 15-30 mm.
6. A method for manufacturing a current-sharing solar photovoltaic photo-thermal module, for manufacturing the current-sharing solar photovoltaic photo-thermal module according to any one of claims 1 to 5, comprising:
step 1, sequentially placing a back plate (15), a second packaging adhesive film (14), a photovoltaic cell sheet (13), a first packaging adhesive film (12) and a transparent cover plate (11) from bottom to top, and placing the materials into a laminating machine for lamination to prepare a photovoltaic module (1);
step 2, manufacturing a photo-thermal module (2);
step 3, placing the back plate (15) upwards on a plane, placing the gluing die (5) on the back plate (15), brushing the glue (3), and controlling the thickness of the whole glue film to be consistent through the gluing die (5), wherein the thickness of the glue film is 0.3-2 mm; and taking down the gluing mould (5) after gluing, placing the plane side of the photo-thermal module (2) on the adhesive (3), and bonding the photovoltaic module (1) and the photo-thermal module (2) into a photovoltaic photo-thermal assembly.
7. The method for manufacturing a current-sharing solar photovoltaic and thermal assembly according to claim 6, wherein the step 2 comprises:
step 2.1, preparing an aluminum alloy aluminum plate and a pure aluminum plate; printing a rolling inhibitor on the aluminum alloy aluminum plate according to the patterns of the working medium inlet (24), the working medium outlet (25) and the working medium flow channel (23);
step 2.2, attaching an aluminum alloy aluminum plate and a pure aluminum plate, and fixing; then hot rolling and cold rolling are carried out on the two aluminum plates, so that the two aluminum plates are closely attached;
step 2.3, selecting an inflation port at a working medium inlet (24), introducing high-pressure gas of 10-15 MPa, and inflating the bonded aluminum alloy aluminum plate and pure aluminum plate to form a single-sided inflation type heat exchange plate (21);
step 2.4, carrying out annealing treatment on the single-sided inflation type heat exchange plate (21), wherein the annealing temperature is 400-500 ℃ and the annealing time is 12-24 hours;
and 2.5, cutting the annealed single-sided expansion type heat exchange plate (21), and performing four-sided flanging on the single-sided expansion type heat exchange plate (21) after cutting to form the photo-thermal module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355155.1A CN114725233B (en) | 2022-03-31 | 2022-03-31 | Solar photovoltaic photo-thermal assembly capable of equalizing current and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210355155.1A CN114725233B (en) | 2022-03-31 | 2022-03-31 | Solar photovoltaic photo-thermal assembly capable of equalizing current and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114725233A CN114725233A (en) | 2022-07-08 |
| CN114725233B true CN114725233B (en) | 2023-10-24 |
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| CN111412781A (en) * | 2020-04-27 | 2020-07-14 | 杭州沈氏节能科技股份有限公司 | Heat exchange plate, printed circuit board type heat exchanger and hydrogenation machine |
| CN112378123A (en) * | 2020-11-04 | 2021-02-19 | 上海交通大学 | Efficient flow-equalizing low-resistance reducing solar photovoltaic/photothermal heat collection/evaporator |
| CN112378124A (en) * | 2020-11-04 | 2021-02-19 | 上海交通大学 | Solar photovoltaic/photothermal heat collection/evaporator with double-effect cogeneration |
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| US20060054212A1 (en) * | 2004-09-10 | 2006-03-16 | Fraas Lewis M | Solar photovoltaic mirror modules |
| FR2967817B1 (en) * | 2010-11-22 | 2013-08-16 | Solaire 2G | HYBRID SOLAR PANEL. |
| US20160036378A1 (en) * | 2014-07-31 | 2016-02-04 | Bruce Lloyd GRAY | Hybrid photovoltatic and photo-thermal solar panel |
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| CN111412781A (en) * | 2020-04-27 | 2020-07-14 | 杭州沈氏节能科技股份有限公司 | Heat exchange plate, printed circuit board type heat exchanger and hydrogenation machine |
| CN112378123A (en) * | 2020-11-04 | 2021-02-19 | 上海交通大学 | Efficient flow-equalizing low-resistance reducing solar photovoltaic/photothermal heat collection/evaporator |
| CN112378124A (en) * | 2020-11-04 | 2021-02-19 | 上海交通大学 | Solar photovoltaic/photothermal heat collection/evaporator with double-effect cogeneration |
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| 基于动态分布参数模型的光伏太阳能热泵***的数值模拟;何汉峰 等;太阳能学报;第29卷(第12期);第1504-1509页 * |
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