CN112202405A - A solar panel cooling device and method - Google Patents
A solar panel cooling device and method Download PDFInfo
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- CN112202405A CN112202405A CN202011117427.1A CN202011117427A CN112202405A CN 112202405 A CN112202405 A CN 112202405A CN 202011117427 A CN202011117427 A CN 202011117427A CN 112202405 A CN112202405 A CN 112202405A
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- heat
- solar cell
- cooling
- cell panel
- assembly
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- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
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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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- Photovoltaic Devices (AREA)
Abstract
本发明涉及太阳能电池板技术领域，具体是一种太阳能电池板降温装置及方法，用于太阳能电池板的降温，所述太阳能电池板降温装置包括导热组件和换热组件，所述导热组件包括导热板和导热管，所述导热板设置在太阳能电池板的背面，若干所述导热管并联连接导热板和换热组件，所述导热管内设有用于热传递的冷媒，所述换热组件设有冷却进口、冷却出口接通冷却回路，所述导热管与冷却回路在换热组件进行热交换；本发明的有益效果是：所述导热组件内的冷媒由自身特性循环传递太阳能电池板背面的热量至换热组件，降低太阳能电池板的温度，从而提高了太阳能电池板的光电转换效率。
The present invention relates to the technical field of solar cell panels, in particular to a solar cell panel cooling device and method, which are used for cooling solar cell panels. plate and heat-conducting pipe, the heat-conducting plate is arranged on the back of the solar cell panel, a plurality of the heat-conducting pipes are connected in parallel with the heat-conducting plate and the heat-exchanging assembly, the heat-conducting pipe is provided with a refrigerant for heat transfer, and the heat-exchanging assembly is provided with The cooling inlet and the cooling outlet are connected to the cooling circuit, and the heat transfer pipe and the cooling circuit conduct heat exchange in the heat exchange assembly; the beneficial effect of the present invention is that the refrigerant in the heat transfer assembly circulates and transfers the heat on the back of the solar cell panel by its own characteristics To the heat exchange component, the temperature of the solar panel is lowered, thereby improving the photoelectric conversion efficiency of the solar panel.
Description
Technical Field
The invention relates to the technical field of solar panels, in particular to a solar panel cooling device and method.
Background
With the development of global economy, the energy problem is gradually highlighted, and the fossil energy which people rely on for a long time is seriously short, so that the research and development of human beings on clean energy are promoted, wherein the solar energy is the key point of the research of scholars at home and abroad due to the characteristics of large reserve, no pollution and high efficiency. In recent years, solar photovoltaic power generation has been increasingly emphasized. At present, the solar photovoltaic power generation can only convert part of light energy equal to the bandwidth into electric energy, and the light energy larger than the forbidden bandwidth can only be stored on a solar cell panel in a thermal form.
When solar radiation irradiates on the solar cell panel, a part of light energy is absorbed by the solar cell panel and converted into electric energy, and the other part heats the solar cell panel, so that the temperature of the solar cell panel is increased, and the photoelectric conversion efficiency of the solar cell panel is reduced.
Disclosure of Invention
The invention aims to provide a solar cell panel cooling device and a solar cell panel cooling method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a solar cell panel heat sink, includes heat conduction subassembly and heat exchange assembly, the heat conduction subassembly includes heat-conducting plate and heat pipe, the heat-conducting plate sets up at solar cell panel's back, and is a plurality of heat pipe parallel connection heat-conducting plate and heat exchange assembly, be equipped with the refrigerant that is used for the heat transfer in the heat pipe, heat exchange assembly is equipped with cooling inlet, cooling outlet switch-on cooling circuit, the heat pipe carries out the heat exchange at heat exchange assembly with cooling circuit.
As a further scheme of the invention: and a heat insulation layer is arranged on one side of the heat conduction plate, which is far away from the solar cell panel.
As a still further scheme of the invention: the heat conduction pipe adopts a triangular channel heat pipe, and two ends of the triangular channel heat pipe are respectively inserted into the heat conduction plate and the heat exchange component.
As a still further scheme of the invention: the cooling loop comprises a heat exchange assembly, a heat pump and a condenser which are sequentially connected in a circulating manner, working media absorbing heat in the heat exchange assembly are conveyed to the condenser by the heat pump for heat dissipation, and the working media after heat dissipation are conveyed to the heat exchange assembly by the condenser to form circulation.
As a still further scheme of the invention: and the cooling loop is provided with an adjusting valve group for adjusting the flow and the flow speed of the working medium in the cooling loop.
As a still further scheme of the invention: the solar cooling system further comprises a control module, the control module is connected with the supporting equipment of the solar panel, and the control module controls the cooling loop to work according to relevant parameters sent by the supporting equipment.
As a still further scheme of the invention: the cooling circuit is provided with a detection element, the detection element detects the pressure and the temperature of the cooling circuit and feeds detection data back to the control module, and the control module controls the work of the cooling circuit.
The invention provides another technical scheme that: a method for cooling a solar cell panel adopts the solar cell panel cooling device, and comprises the following steps: the refrigerant in the heat conduction assembly absorbs the heat on the back surface of the solar cell panel and transfers the heat to the heat exchange assembly; the working medium circulating in the cooling loop carries heat transferred by the heat conducting component in the heat exchange component.
As a further scheme of the invention: the heat conducting pipes are connected with the heat conducting plate and the heat exchange assembly in parallel, a refrigerant used for heat transfer is arranged in the heat conducting pipes, the refrigerant absorbs heat at one ends of the heat conducting pipes close to the heat conducting plate and then flows to the ends of the heat conducting pipes far away from the heat conducting plate to release heat, and the heat emitted by the refrigerant is taken away by a working medium flowing in the heat exchange assembly.
Compared with the prior art, the invention has the beneficial effects that: the coolant in the heat conduction assembly circularly transfers the heat on the back of the solar cell panel to the heat exchange assembly by the characteristics of the coolant, so that the temperature of the solar cell panel is reduced, and the photoelectric conversion efficiency of the solar cell panel is improved.
Drawings
Fig. 1 is a schematic structural diagram of a solar panel cooling device in an embodiment of the present invention.
In the drawings: 1-solar photovoltaic cell module; 2-a solar panel; 3-heat conducting plate; 4-triangular channel heat pipe; 5-cooling water tank.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1, in an embodiment of the present invention, a solar cell panel cooling device includes a heat conducting assembly and a heat exchanging assembly, the heat conducting assembly includes a heat conducting plate 3 and heat conducting pipes, the heat conducting plate 3 is disposed on a back surface of a solar cell panel 2, the heat conducting pipes are connected in parallel to the heat conducting plate 3 and the heat exchanging assembly, a cooling medium for heat transfer is disposed in the heat conducting pipes, the heat exchanging assembly is provided with a cooling inlet and a cooling outlet, the cooling inlet is connected to a cooling loop, and the heat conducting pipes and the cooling loop perform heat exchange in the heat exchanging assembly.
Specifically, the solar photovoltaic cell module 1 arranged on the solar cell panel 2 converts light energy into electric energy and transmits the electric energy to the corollary equipment of the solar cell panel for transfer or storage, the solar photovoltaic cell module 1 is composed of a plurality of cells arranged in an array, in the process of irradiation of the solar cell panel 2, a part of light energy is absorbed as heat energy instead of being converted into electric energy, the temperature of the solar cell panel 2 is increased, a refrigerant (the refrigerant is acetone) in an evaporation section of the heat conduction pipe absorbs heat of the solar cell panel 2 to vaporize and flow to a condensation section, heat exchange is carried out in the heat exchange assembly, and the purpose of reducing the temperature of the solar cell panel 2 is achieved; the high photoelectric conversion efficiency of the solar cell panel 2 is maintained.
Referring to fig. 1, in a preferred embodiment of the present invention, an insulating layer is disposed on a side of the heat conducting plate 3 away from the solar cell panel.
The heat preservation has insulation material to paste and forms on the heat-conducting plate, separates to keep away from heat-conducting plate 3 through setting up the heat preservation heat absorption of one side of solar cell panel 2, keeps the high endothermic efficiency of heat-conducting plate 3 to solar cell panel 2 one side, improves cooling performance.
Referring to fig. 1, in another embodiment of the present invention, the heat conducting pipe is a triangular channel heat pipe 4, and two ends of the triangular channel heat pipe 4 are respectively inserted into the heat conducting plate 3 and the heat exchanging assembly.
Specifically, four triangular channel heat pipes 4 are arranged side by side, and two ends of each triangular channel heat pipe 4 are respectively inserted into the heat conducting plate 3 and the heat exchange assembly; the liquid filling rate of the triangular channel heat pipe 4 is 29%, when the temperature reaches 18 ℃, acetone in the triangular channel heat pipe 4 absorbs heat, is vaporized and flows to the condensation section of the triangular channel heat pipe 4, in order to enhance the heat exchange effect, the condensation section of the triangular channel heat pipe 4 is directly inserted into the heat exchange assembly and directly exchanges heat with the working medium of the cooling loop, at the moment, the acetone is condensed into liquid and flows back to the evaporation section of the triangular channel heat pipe 4 through capillary action, the temperature of the solar cell panel 2 is reduced through the circulation, the photoelectric conversion efficiency of the solar cell panel 2 is kept stable, and the service life of the solar cell panel 2 is prolonged.
The heat exchange component adopts round tubes, four round tubes are arranged side by side, and two ends of each round tube are respectively inserted into the heat conduction plate 3 and the heat exchange component; the liquid filling rate of pipe is 29%, when the temperature reached 18 ℃, acetone in the pipe absorbed the heat and takes place the condensation segment of vaporization flow direction pipe, for reinforcing heat transfer effect, during the pipe condensation segment disect insertion heat exchange assembly, directly carry out the heat transfer with cooling circuit's working medium, acetone condenses for liquid this moment, flows back the pipe evaporation zone by capillary action, so circulate for solar cell panel 2 reduce temperature, make its photoelectric conversion efficiency remain stable, improve 2 life of solar cell panel.
The photoelectric conversion efficiency of the solar cell panel is used as an evaluation index of the heat exchange efficiency of different heat conduction pipes, the ambient temperature is 31.6 ℃, the water temperature of a cooling inlet is 33 ℃, and the mass flow is 0.0458 kg/s. If the heat conduction pipe conducts heat conduction and cools the solar cell panel, the electric efficiency of the solar cell panel is below 6%; the solar cell panel is subjected to heat conduction and cooling by adopting a circular pipe, and the electric efficiency of the solar cell panel can reach 7-8%; the triangular channel heat pipe 4 is adopted to conduct heat and cool the solar cell panel, and the electric efficiency of the solar cell panel can reach 8-27%;
therefore, the triangular channel heat pipe 4 is used as a heat conduction pipe, so that the heat conduction capability is enhanced, and the photoelectric conversion efficiency of the solar cell panel is improved.
Referring to fig. 1, in another embodiment of the present invention, the solar panel further includes a control module, the control module is connected to the supporting device of the solar panel, and the control module controls the operation of the cooling circuit according to the relevant parameters sent by the supporting device.
Specifically, control module includes microprocessor, microprocessor and solar cell panel's supporting solar control ware communication is connected, and solar control ware sends solar cell panel's photoelectric conversion power curve for microprocessor, microprocessor will receive photoelectric conversion power curve and preset photoelectric conversion power curve and compare, and analysis solar cell panel's work efficiency controls cooling circuit's work according to the analysis result for cooling circuit keeps in the optimum to solar cell panel's cooling effect, avoids influencing solar cell panel's job stabilization nature.
Referring to fig. 1, in another embodiment of the present invention, the cooling circuit includes a heat exchange assembly, a heat pump and a condenser, which are sequentially connected in a circulating manner, a working medium absorbing heat in the heat exchange assembly is delivered to the condenser by the heat pump for heat dissipation, and the working medium after heat dissipation is delivered to the heat exchange assembly by the condenser for forming a circulation; the cooling loop is provided with an adjusting valve group and a detection element, and the adjusting valve group is used for adjusting the flow and the flow speed of working media in the cooling loop; the detection element detects the pressure and the temperature of the cooling loop and feeds detection data back to the control module, and the control module controls the work of the cooling loop.
Specifically, the heat exchange assembly adopts a cooling water tank 5, a cooling outlet of the cooling water tank 5 is connected with a water inlet of a heat pump, a water outlet of the heat pump is connected with an inlet of a condenser, and an outlet of the condenser is connected with a cooling inlet of the cooling water tank 5; the water (working medium) after absorbing heat in the cooling water tank 5 becomes hot water, the hot water is conveyed to the condenser by the heat pump for heat dissipation, and the cold water after heat dissipation is conveyed to the cooling water tank 5 by the condenser to form circulation; the regulating valve group comprises one or more regulating valves, and the flow speed of water in the cooling loop are controlled through the regulating valves. The detection element comprises a temperature sensor and a pressure sensor and is used for detecting the pressure and the temperature of the cooling loop and feeding detection data back to the microprocessor, and the microprocessor controls the heat pump and the condenser of the cooling loop to work.
Referring to fig. 1, in another embodiment of the present invention, a method for cooling a solar panel, which uses the solar panel cooling device as described above, includes the following steps: the refrigerant in the heat conduction assembly absorbs the heat on the back surface of the solar cell panel and transfers the heat to the heat exchange assembly; the working medium circulating in the cooling loop carries heat transferred by the heat conducting component in the heat exchange component.
Specifically, the heat conduction assembly includes heat-conducting plate 3 and heat pipe, heat-conducting plate 3 sets up at solar cell panel 2's back, and is a plurality of heat pipe parallel connection heat-conducting plate and heat exchange assembly, be equipped with the refrigerant that is used for the heat transfer in the heat pipe, the refrigerant circulates to the heat pipe and keeps away from the one end of heat-conducting plate and releases heat after the heat pipe is close to the heat absorption of the one end of heat-conducting plate, and the heat that the refrigerant was emitted is taken away by the working medium. Heat exchange is carried out in the heat exchange assembly, so that the purpose of reducing the temperature of the solar cell panel 2 is achieved; the high photoelectric conversion efficiency of the solar cell panel 2 is maintained.
The working principle of the invention is as follows: the refrigerant (the refrigerant is acetone) of the evaporation section of the heat conduction pipe absorbs heat of the solar cell panel 2, evaporates and flows to the condensation section, heat exchange is carried out in the heat exchange assembly, and the purpose of reducing the temperature of the solar cell panel 2 is achieved.
It should be noted that the temperature sensor, the pressure sensor and the microprocessor used in the present invention are all prior art applications, and those skilled in the art can implement the functions to be achieved according to the related descriptions, or implement the technical features to be achieved through similar technologies, and will not be described in detail herein.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117427.1A CN112202405A (en) | 2020-10-19 | 2020-10-19 | A solar panel cooling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117427.1A CN112202405A (en) | 2020-10-19 | 2020-10-19 | A solar panel cooling device and method |
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| Publication Number | Publication Date |
|---|---|
| CN112202405A true CN112202405A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011117427.1A Pending CN112202405A (en) | 2020-10-19 | 2020-10-19 | A solar panel cooling device and method |
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| CN (1) | CN112202405A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115589206A (en) * | 2022-10-26 | 2023-01-10 | 宁夏启辰智能低碳科技有限公司 | Concentrating photovoltaic equipment for photovoltaic integrated building roof |
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- 2020-10-19 CN CN202011117427.1A patent/CN112202405A/en active Pending
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| JP2003050056A (en) * | 2001-08-06 | 2003-02-21 | Matsushita Electric Ind Co Ltd | Solar equipment |
| JP2003336930A (en) * | 2002-05-23 | 2003-11-28 | Matsushita Electric Ind Co Ltd | Photovoltaic power generating heat pump device |
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