CN207265978U - A kind of photovoltaic module cooling system - Google Patents
A kind of photovoltaic module cooling system Download PDFInfo
- Publication number
- CN207265978U CN207265978U CN201720770820.8U CN201720770820U CN207265978U CN 207265978 U CN207265978 U CN 207265978U CN 201720770820 U CN201720770820 U CN 201720770820U CN 207265978 U CN207265978 U CN 207265978U
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- China
- Prior art keywords
- photovoltaic module
- water pump
- module cooling
- circulation
- valve
- 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.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000002826 coolant Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of photovoltaic module cooling system, in order to solve effectively to reduce by photovoltaic component back plate temperature, the energy collected to photovoltaic component back plate is recycled, system installation cost is low and operational simplicity, and system safety problem, the utility model have the following advantages compared with prior art：Effectively avoid photovoltaic module from being reduced when generating electricity by the power generation for shining upon lower temperature rise and influencing photovoltaic module, improve the generated energy of photovoltaic module；The pressure requirements of circulation conduit are low, can use common conduit, system mounting means is convenient, and cost is low；Photovoltaic module cooling bladder has elasticity, under extremely cold weather, bear the pressure of the heat expansion cooling of coolant, avoid hidden caused by photovoltaic module split, the energy to be cooled down by photovoltaic module to collect is utilized, Household water heating is reduced to the use of energy, realizes family energy saving, the fire threat that can effectively alleviate photovoltaic module hot spot effect and bring.
Description
Technical field
It the utility model is related to solar panel field of cooling, more particularly to a kind of photovoltaic module cooling system.
Background technology
In practical applications, its power generation performance is had a great influence photovoltaic generating system by natural environmental condition, wherein system
One of an important factor for operating temperature of the photovoltaic module of critical piece is influence photovoltaic generating system performance.
The mainly silicon systems photovoltaic module of large scale investment commercial applications at present：Monocrystalline silicon component, polysilicon members and
Amorphous silicon module, influence of the temperature to photovoltaic module are mainly manifested in open-circuit voltage, short circuit current flow and the peak power of component
Parameter variation with temperature and change.The open-circuit voltage of photovoltaic module is reduced with the rise of temperature；The short circuit of photovoltaic module
Electric current is raised with the rise of temperature；The peak power of photovoltaic module is raised and declined with temperature.The rise of temperature is brought therewith
Be exactly photovoltaic module efficiency decline；Temperature often raises 1 DEG C, peak power loss 0.35%--0.45%；Such as it is operated in
20 DEG C of photovoltaic module, it is higher by 20% in the case of exporting peak power than being operated in 70 DEG C；It can be seen that temperature is to photovoltaic group
The influence of part is very big.
The implementation method of currently available technology is using the circulating cooling system that nitrogen pressure air bag and water pump are formed and sky
Gas carries out heat exchange, so as to the temperature of solar panel be reduced, to extend the service life of solar panel
(referenced patents CN104201985A).
Use control of the nitrogen pressure air bag to current in publication, and the water that circulating-heating is crossed and surrounding air into
Row heat exchange, heat conduction velocity and thermal conduction effect are poor, and the water temperature after air cooler is higher than air themperature, and cold sky
The temperature of device annex is also very high；Air themperature is again high more than tap water (underground water) temperature, is difficult to further drop in practical application
The temperature of low photovoltaic module；Water pump has been arrived in use in whole system, if uncontrolled strategy, when need not cool down,
Water pump also works, and can waste much electricity；The application method of nitrogen pressure air bag is numerous and diverse；In addition pressure wants nitrogen
Ask, safety problem also can not be ignored.
Utility model content
The purpose of this utility model is on the basis of the disclosed cooling system applied to solar panel, for cold
But system control process, in order to solve effectively to reduce by photovoltaic component back plate temperature, to the energy of photovoltaic component back plate collection
Recycled, system installation cost is low and operational simplicity, and system safety problem, and the utility model proposes one
Kind photovoltaic module cooling system.
The utility model is achieved through the following technical solutions：A kind of photovoltaic module cooling system, the system include light
Lie prostrate component cooling bladder, photovoltaic module temperature sensor, control unit, outer circulation conduit, the first valve, the second valve, the 3rd valve
Door, outer circulation coolant adding set, external circulation water pump, heat-exchange device, interior circulation conduit, internal circulation water pump, water storage device
And the water storage device temperature sensor of sealing；
Wherein, the external circulating system is that photovoltaic module cooling bladder is close on photovoltaic component back plate, each photovoltaic
Component cooling bladder head and the tail are connected into a string by outer circulation conduit, and with the first valve, the second valve, the 3rd valve, follow outside
Ring liquid adding set, external circulation water pump and heat exchange unit connection, finally with the other end phase of photovoltaic module cooling bladder string
Connection；Outer circulation coolant constitutes a complete circulatory system；
The internal circulation system be by heat-exchange system by interior circulation conduit with sealing water storage device, internal circulation water pump
Connection；What internal circulation system was physically entirely isolated with external circulating system；
The control system is temperature sensor signal line, the water in water storage device that will be drawn in photovoltaic module cooling bladder
Temperature sensor signal line, and external circulation water pump and internal circulation water pump control line are connected to control unit.
Preferably, wherein the photovoltaic module cooling bladder is made of using the good silica gel of heat conductivility.
Preferably, the outer circulation conduit is pvc pipe.
Whole cooling system passes through water in control unit collection photovoltaic module cooling bladder temperature and the water storage device of sealing
Temperature control the work of external circulation water pump and internal circulation water pump.
The strategy of control unit described in the utility model：When photovoltaic module temperature is low, does not start external circulation water pump and interior follow
Ring water pump；When photovoltaic module temperature reaches threshold value, control unit starts external circulation water pump and internal circulation water pump works, then
Energy exchange is completed by heat-exchange device.At the time of photovoltaic module temperature is also that solar irradiation is most strong when high, at this time
Photovoltaic module should generated output it is maximum, but the rise of photovoltaic module temperature but have impact on the efficiency that component generates electricity, and open at this time
Dynamic water pump circulation lowers the temperature of photovoltaic module, the part energy for providing efficiency can be used for the operation of water pump, so
Photovoltaic module can be allowed to cool down and reach the generating efficiency of higher and by heating of the heat of photovoltaic module to domestic water,
Reduce in life to the energy needed for water heating.
In this programme using water temperature in water storage device come control the advantages of the operation of water pump be when photovoltaic module temperature much
During higher than temperature inside water storage device, start external circulation water pump and internal circulation water pump at this time, can further reduce the component back of the body
The temperature of plate, can further improve generated energy.
The control method for the photovoltaic module cooling system that the utility model mainly solves, is collected for photovoltaic component back plate
Energy carries out heat exchange with tap water (underground water), and reasonable temperature can be dropped to by photovoltaic component back plate temperature by so doing,
Increase photovoltaic module generating efficiency, while reduce photovoltaic module hot spot and cause the risk of fire；Tap water (underground water) is added
Heat arrives certain temperature, so that family life uses, reduces use of the life to electric energy；Reduce grasping to cooling system installation
The property made and cost；Carried out for system capacity on the basis of rationally utilizing, and propose and reach in solar components backboard temperature
The control strategy of reasonable temperature.
The key innovations of the utility model are：
(1), photovoltaic module is effectively avoided to be subtracted when generating electricity by the power generation for shining upon lower temperature rise and influencing photovoltaic module
It is few, improve the generated energy of photovoltaic module；
(2), the pressure requirements of circulation conduit are low, can use common conduit, system mounting means is convenient, and cost is low；
(3), photovoltaic module cooling bladder has elasticity, under extremely cold weather, bears the pressure of the heat expansion cooling of coolant, keeps away
Exempt from hidden caused by photovoltaic module split；
(4), the energy to be cooled down by photovoltaic module to collect is utilized, and reduces Household water heating and energy is made
With realizing family energy saving；
(5), the fire threat that can effectively alleviate photovoltaic module hot spot effect and bring.
Brief description of the drawings
Fig. 1 is a kind of system principle diagram for photovoltaic module cooling system that the utility model embodiment provides；
Fig. 2 is a kind of structure of the photovoltaic module cooling bladder for photovoltaic module cooling system that the utility model embodiment provides
Schematic diagram.
Embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in Figure 1, 2, a kind of photovoltaic module cooling system provided in this embodiment, the system are cooled down by photovoltaic module
Capsule, photovoltaic module temperature sensor, control unit, outer circulation conduit, the first valve, the second valve, the 3rd valve, outer circulation are cold
But liquid adding set, external circulation water pump, heat-exchange device, interior circulation conduit, internal circulation water pump, water storage device and the storage of sealing
Water installations temperature sensor is formed.
The present embodiment is that photovoltaic module cooling bladder is close on photovoltaic component back plate, each photovoltaic module cooling bladder is first
Pipe joint at tail is connected into a string using pvc pipe, and is added with the first valve, the second valve, the 3rd valve, outer circulation liquid
Feeder apparatus, external circulation water pump and heat exchange unit connection, finally the other end with photovoltaic module cooling bladder string is connected, structure
Into the circulatory system of a closing.First valve and the second valve are to be close to installation, and close to outer circulation liquid addition dress
The exit put.
Coolant selects the coolant of good heat conduction effect according to environmental requirement, and wherein photovoltaic module cooling bladder is to use heat conduction
Silica gel of good performance is made, and the adding procedure of coolant is as described below, closes the second valve, opens the first valve and the 3rd valve
Door, adds coolant outward at circulation fluid adding set, when liquid stream to be cooled crosses external circulation water pump, start external circulation water pump, allow
Coolant sufficiently flows into photovoltaic module cooling bladder, is finally observed at the first valve, and coolant is stablized will when flowing out the first valve
The second valve is opened, closes the first valve and the 3rd valve, outer circulation coolant adding procedure is completed at this time.
Internal circulation system is that heat-exchange system is passed through water storage device of the interior circulation conduit with sealing, internal circulation water pump company
Connect.What internal circulation system was physically entirely isolated with external circulating system, it ensure that the water in interior circulation is not contaminated, so
Suitable coolant can be selected according to specific requirements as outer circulation liquid.
Control system be will be drawn in photovoltaic module cooling bladder temperature sensor signal line, in water storage device water temperature
Sensor signal lines, and external circulation water pump and internal circulation water pump control line are connected to control unit.Whole cooling system passes through
Control unit gather the temperature of water in the water storage device of photovoltaic module cooling bladder temperature and sealing control external circulation water pump and
The work of internal circulation water pump.
In this programme using water temperature in water storage device come control the advantages of the operation of water pump be when photovoltaic module temperature much
During higher than temperature inside water storage device, start external circulation water pump and internal circulation water pump at this time, can further reduce the component back of the body
The temperature of plate, can further improve generated energy.
Control unit strategy：When photovoltaic module temperature is low, do not start external circulation water pump and internal circulation water pump；Photovoltaic module temperature
When degree reaches threshold value, control unit starts external circulation water pump and internal circulation water pump works, then complete by heat-exchange device
Into energy exchange.At the time of photovoltaic module temperature is also that solar irradiation is most strong when high, photovoltaic module should generate electricity at this time
Power is maximum, but the rise of photovoltaic module temperature but have impact on the efficiency of component power generation, starts water pump circulation at this time by photovoltaic
The temperature of component lowers, and the part energy for providing efficiency can be used for the operation of water pump, can so allow photovoltaic module to drop
Temperature and reach the generating efficiency of higher, and can by heating of the heat of photovoltaic module to domestic water, reduce life in water is added
The required energy of heat.
The control method for the photovoltaic module cooling system that the utility model mainly solves, is collected for photovoltaic component back plate
Energy carries out heat exchange with tap water (underground water), and reasonable temperature can be dropped to by photovoltaic component back plate temperature by so doing,
Increase photovoltaic module generating efficiency, while reduce photovoltaic module hot spot and cause the risk of fire；Tap water (underground water) is added
Heat arrives certain temperature, so that family life uses, reduces use of the life to electric energy；Reduce grasping to cooling system installation
The property made and cost；Carried out for system capacity on the basis of rationally utilizing, and propose and reach in solar components backboard temperature
The control strategy of reasonable temperature.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply the utility model principle, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (3)
1. a kind of photovoltaic module cooling system, it is characterised in that the system includes photovoltaic module cooling bladder, photovoltaic module temperature passes
Sensor, control unit, outer circulation conduit, the first valve, the second valve, the 3rd valve, outer circulation coolant adding set, follow outside
Ring water pump, heat-exchange device, interior circulation conduit, internal circulation water pump, water storage device and the water storage device temperature sensor of sealing；
Wherein, the external circulating system is that photovoltaic module cooling bladder is close on photovoltaic component back plate, each photovoltaic module
Cooling bladder head and the tail connected into a string by outer circulation conduit, and with the first valve, the second valve, the 3rd valve, outer circulation liquid
Adding set, external circulation water pump and heat exchange unit connection, finally the other end with photovoltaic module cooling bladder string is connected；
Outer circulation coolant constitutes a complete circulatory system；
The internal circulation system is to be connected interior circulation conduit and the water storage device of sealing, internal circulation water pump by heat-exchange system
Connect；What internal circulation system was physically entirely isolated with external circulating system；
The control system be will be drawn in photovoltaic module cooling bladder temperature sensor signal line, in water storage device water temperature
Sensor signal lines, and external circulation water pump and internal circulation water pump control line are connected to control unit.
A kind of 2. photovoltaic module cooling system according to claim 1, it is characterised in that：Wherein described photovoltaic module cooling
Capsule is made of using the good silica gel of heat conductivility.
A kind of 3. photovoltaic module cooling system according to claim 1, it is characterised in that：The outer circulation conduit is PVC
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770820.8U CN207265978U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic module cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770820.8U CN207265978U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic module cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265978U true CN207265978U (en) | 2018-04-20 |
Family
ID=61926197
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770820.8U Active CN207265978U (en) | 2017-06-29 | 2017-06-29 | A kind of photovoltaic module cooling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171636A (en) * | 2017-06-29 | 2017-09-15 | 安徽大恒能源科技有限公司 | A kind of photovoltaic module cooling system and control method |
| CN111669122A (en) * | 2020-06-08 | 2020-09-15 | 陆林娣 | Automatic cooling system and cooling method for photovoltaic cell panel |
| CZ308676B6 (en) * | 2019-01-28 | 2021-02-10 | HYDROSERVIS-UNION a.s. | Solar photovoltaic panels waste heat management equipment |
| EP4106017A1 (en) | 2021-06-18 | 2022-12-21 | Soltec Innovations, S.L. | Cooling system for a photovoltaic solar panel |
-
2017
- 2017-06-29 CN CN201720770820.8U patent/CN207265978U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171636A (en) * | 2017-06-29 | 2017-09-15 | 安徽大恒能源科技有限公司 | A kind of photovoltaic module cooling system and control method |
| CN107171636B (en) * | 2017-06-29 | 2023-10-27 | 安徽大恒能源科技有限公司 | Photovoltaic module cooling system and control method |
| CZ308676B6 (en) * | 2019-01-28 | 2021-02-10 | HYDROSERVIS-UNION a.s. | Solar photovoltaic panels waste heat management equipment |
| CN111669122A (en) * | 2020-06-08 | 2020-09-15 | 陆林娣 | Automatic cooling system and cooling method for photovoltaic cell panel |
| CN111669122B (en) * | 2020-06-08 | 2021-08-13 | 山东强光新能源科技有限公司 | Automatic cooling system and cooling method for photovoltaic cell panel |
| EP4106017A1 (en) | 2021-06-18 | 2022-12-21 | Soltec Innovations, S.L. | Cooling system for a photovoltaic solar panel |
| WO2022263538A1 (en) | 2021-06-18 | 2022-12-22 | Soltec Innovations, S.L. | Cooling system for a photovoltaic solar panel |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 230000 No.1 Yaoyuan Road, Luyang District, Hefei City, Anhui Province Patentee after: Daheng Energy Co.,Ltd. Address before: 230000, 1st to 3rd floors, No. 6 # A, Xinglu Science and Technology Industrial Park, Industrial Park, Luyang District, Hefei City, Anhui Province, at the intersection of Shiyu Road and Lingxi Road Patentee before: ANHUI DAHENG ENERGY TECHNOLOGY Co.,Ltd. |