CN110995151A - Cooling device of solar module - Google Patents
Cooling device of solar module Download PDFInfo
- Publication number
- CN110995151A CN110995151A CN201911278958.6A CN201911278958A CN110995151A CN 110995151 A CN110995151 A CN 110995151A CN 201911278958 A CN201911278958 A CN 201911278958A CN 110995151 A CN110995151 A CN 110995151A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- module
- solar
- solar module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect 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
- 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
The invention discloses a cooling device of a solar module, which is characterized by comprising a water tower, wherein a reservoir is arranged below the water tower, the water tower is connected with one end of a water pumping pipe, the other end of the water pumping pipe is arranged in the reservoir, the water tower is connected with one end of a water inlet pipe, the other end of the water inlet pipe is connected with a water inlet of a cooling module, a water outlet of the cooling module is connected with one end of a water outlet pipe, and the other end of the water outlet pipe is arranged in the reservoir; the cooling assembly is tightly attached to the back plate of the solar assembly. The solar module is cooled by circulating water, the equipment is convenient to install, the water cooling effect is obvious, the temperature of the solar module is uniform, the heat of the solar module is effectively reduced, and a fire disaster caused by overhigh temperature of the solar module is prevented; the water tower is adopted for supplying water, so that the energy consumption can be reduced, and the water consumption can be reduced in a wider range by utilizing the circulating water.
Description
Technical Field
The invention relates to a cooling device of a solar module, belonging to the technical field of solar modules.
Background
In recent years, the installation of solar power stations is further increased, and researches show that the efficiency of a crystalline silicon battery is reduced by 0.4% and amorphous silicon is reduced by 0.1% every time the temperature of a solar battery piece is increased by one degree, the temperature of a component in the power station can reach 50-60 ℃ at noon, so that the operation efficiency of a large power station is greatly influenced, the service life of the solar component is also reduced due to high temperature, and the operation temperature of the solar component is an important factor influencing the operation quality of the solar component. How to effectively reduce the temperature of the solar component is an important problem to be solved urgently in a photovoltaic power station.
The existing cooling technology generally comprises natural cooling and forced cooling, the forced cooling effect is better, and the latest technology mainly relates to a water-cooling device, for example, in the patent [1] in 2017, a device for cooling by water is realized. 2016 [2] discloses cooling by means of a coolant line.
The existing solar module water cooling technology equipment is complex in installation and high in cost, the cooling area is small in a cooling liquid pipeline mode, the cooling area is in line contact with a back plate in contact with a pipeline, the temperature of the solar module is not uniform easily, meanwhile, too many water storage tanks and water suction pumps are arranged, the cost is too high, and too much electric energy is consumed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to be convenient for the installation of solar energy component water cooling technology equipment for solar energy component temperature is even, improves the cooling effect, reduces the use amount of water, practices thrift the cost.
In order to solve the technical problem, the technical scheme of the invention is to provide a cooling device for a solar module, which is characterized by comprising a water tower, wherein a reservoir is arranged below the water tower, the water tower is connected with one end of a water pumping pipe, the other end of the water pumping pipe is arranged in the reservoir, the water tower is connected with one end of a water inlet pipe, the other end of the water inlet pipe is connected with a water inlet of the cooling module, a water outlet of the cooling module is connected with one end of a water outlet pipe, and the other end of the water outlet pipe is arranged in the; the cooling assembly is tightly attached to the back plate of the solar assembly.
Preferably, the water inlet pipe and the water outlet pipe are both buried under the ground.
Preferably, the water inlet is located at the lower end of the cooling assembly, and the water outlet is located at the upper end of the cooling assembly.
Preferably, the cooling module is arranged in a module frame of the solar module, and an opening through which the junction box can pass is arranged at the position of the junction box on the cooling module.
Preferably, the cooling module is laid on the back plate of the solar module.
Preferably, the cooling assembly comprises two pipelines which are arranged in parallel and are respectively connected with the water inlet pipe and the water outlet pipe, and the two pipelines are connected through a plurality of small pipelines which are uniformly distributed.
The solar module is installed by adhering the plane to the back plate of the solar module, and the flowing water enters from one end of the solar module and exits from the other end of the solar module, so that the temperature of the solar module is uniformly reduced; adopt the water tower to concentrate the water supply convenience, realize once drawing water subsequently can guarantee sufficient water pressure, bury below ground at water supply system normal water pipe, can prevent effectively that water delivery from leading to the temperature too high. The water flows out from the front solar component, flows in from the rear solar component, and finally flows back to the reservoir to be cooled for recycling.
The solar module is cooled by circulating water, the equipment is convenient to install, the water cooling effect is obvious, the temperature of the solar module is uniform, the heat of the solar module is effectively reduced, and a fire disaster caused by overhigh temperature of the solar module is prevented; the water tower is adopted for supplying water, so that the energy consumption can be reduced, and the water consumption can be reduced in a wider range by utilizing the circulating water.
Compared with the prior art, the invention has the following advantages:
1. a centralized water supply mode is adopted, and a large number of water storage tanks are not required to be installed;
2. the mode of adopting the water tower can ensure enough water pressure;
3. the cooling is carried out by water cooling, water flows enter from the lower end of the solar module and exit from the upper end, and the back plate is tightly attached to the cooling solar module, so that the temperature of the solar module is ensured to be uniform;
4. the water flow is recycled, and resources are saved.
Drawings
FIG. 1 is a schematic structural diagram of a cooling device of a solar module on the solar module;
FIG. 2 is a side schematic view of FIG. 1;
fig. 3 is a schematic structural diagram of a cooling device of a solar module.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
The invention relates to a cooling device of a solar module, which is designed based on a water cooling system and comprises a water tower 7, wherein a reservoir 8 is arranged below the water tower 7, the water tower 7 is connected with one end of a water pumping pipe, the other end of the water pumping pipe is arranged in the reservoir 8, the water tower 7 is connected with one end of a water inlet pipe 9, the other end of the water inlet pipe 9 is connected with a water inlet 4 of a cooling module 2, a water outlet 5 of the cooling module 2 is connected with one end of a water outlet pipe 11, and the other end of the water outlet pipe 11 is arranged in the reservoir 8; the cooling module 2 is attached to the back plate of the solar module 6, i.e. to the back of the photovoltaic sub-array 10. The inlet pipe 9 and the outlet pipe 11 are buried under the ground. The water inlet 4 is located at the lower end of the cooling module 2 and the water outlet 5 is located at the upper end of the cooling module 2.
The cooling assembly 2 is arranged in the assembly frame 1 of the solar assembly 6, and an opening through which the junction box 3 can pass is formed in the position, located on the junction box 3, of the cooling assembly 2.
The cooling module 2 is laid on the back sheet of the solar module 6. The cooling assembly 2 comprises two parallel pipelines respectively connected with the water inlet pipe 9 and the water outlet pipe 11, and the two pipelines are connected through a plurality of small pipelines which are uniformly distributed.
The invention achieves the cooling purpose through water, the water flows in from the lower end of the solar component 6 after flowing through the water tower 7 and flows out from the upper end, and the water is supplied in a centralized way; it is also necessary to bury the water inlet pipe 9 under the ground to prevent the water temperature from rising.
The invention adopts a water cooling mode for cooling, water pumped out from a reservoir 8 is pressurized by a water tower 7 and then reaches the cooling component 2 at the position of the solar component 6 through a water inlet pipe 9, and in order to avoid the rise of water temperature and the icing in winter in the water delivery process, the water inlet pipe 9 must be buried on the ground to a certain depth; in order to realize uniform cooling of the solar module 6, the tiled cooling module 2 is adopted, water flows in from the water inlet 4, flows out from the water outlet 5 and is enabled to cling to the back plate of the solar module 6, and a layer of protection is provided for the back plate; in order for the water stream to have sufficient pressure, it must be of sufficient height when building the water tower 7; meanwhile, the cooling water opening time of the solar module is determined when sunlight is used for power generation and the temperature is not lower than 0 ℃ in winter.
Claims (6)
1. The cooling device for the solar module is characterized by comprising a water tower (7), a reservoir (8) is arranged below the water tower (7), the water tower (7) is connected with one end of a water pumping pipe, the other end of the water pumping pipe is arranged in the reservoir (8), the water tower (7) is connected with one end of a water inlet pipe (9), the other end of the water inlet pipe (9) is connected with a water inlet (4) of a cooling module (2), a water outlet (5) of the cooling module (2) is connected with one end of a water outlet pipe (11), and the other end of the water outlet pipe (11) is arranged in the reservoir (8); the cooling component (2) is tightly attached to the back plate of the solar component (6).
2. A cooling device for solar modules according to claim 1, characterized in that the inlet pipe (9) and the outlet pipe (11) are buried under the ground.
3. A cooling device for solar modules according to claim 1, characterized in that the water inlet (4) is located at the lower end of the cooling module (2) and the water outlet (5) is located at the upper end of the cooling module (2).
4. A cooling device for solar module according to claim 1, characterized in that the cooling module (2) is arranged in the module frame (1) of the solar module (6), and the cooling module (2) is provided with an opening for the junction box (3) to pass through at the position of the junction box (3).
5. A cooling device for solar modules according to claim 1, characterized in that the cooling module (2) is laid on the back sheet of the solar module (6).
6. A cooling device for solar modules according to claim 1 or 3 or 4 or 5, characterized in that the cooling module (2) comprises two parallel pipes connected to the inlet pipe (9) and the outlet pipe (11), respectively, and the pipes are connected by a plurality of small pipes distributed uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278958.6A CN110995151A (en) | 2019-12-13 | 2019-12-13 | Cooling device of solar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911278958.6A CN110995151A (en) | 2019-12-13 | 2019-12-13 | Cooling device of solar module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110995151A true CN110995151A (en) | 2020-04-10 |
Family
ID=70093000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911278958.6A Pending CN110995151A (en) | 2019-12-13 | 2019-12-13 | Cooling device of solar module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110995151A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980681A (en) * | 2019-03-05 | 2019-07-05 | 内蒙古能源规划设计研究院有限公司 | The generated energy optimization system of photovoltaic plant |
-
2019
- 2019-12-13 CN CN201911278958.6A patent/CN110995151A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980681A (en) * | 2019-03-05 | 2019-07-05 | 内蒙古能源规划设计研究院有限公司 | The generated energy optimization system of photovoltaic plant |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |