CN109728780B - Automatic snow removing system of photovoltaic module - Google Patents
Automatic snow removing system of photovoltaic module Download PDFInfo
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- CN109728780B CN109728780B CN201910178674.3A CN201910178674A CN109728780B CN 109728780 B CN109728780 B CN 109728780B CN 201910178674 A CN201910178674 A CN 201910178674A CN 109728780 B CN109728780 B CN 109728780B
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- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 238000010438 heat treatment Methods 0.000 claims abstract description 72
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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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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Abstract
The invention provides an automatic snow removing system of a photovoltaic module, which comprises a control circuit, a power supply device, a transmission device, a moving mechanism, a fixing mechanism and a flexible heating device, wherein: the transmission device, the power supply device and the flexible heating device are respectively and electrically communicated with the control circuit; one end of the flexible heating device is connected with the fixing mechanism at one side of the photovoltaic module, and the other end of the flexible heating device is connected with the moving mechanism; the transmission device is connected with the moving mechanism and can drive the moving mechanism to move relative to the fixing mechanism on the front surface of the photovoltaic module so as to spread or fold the flexible heating device on the front surface of the photovoltaic module. The system can adjust the temperature of the front surface of the photovoltaic module through the flexible heating device in low-temperature weather so as to automatically melt accumulated snow accumulated on the front surface of the photovoltaic module, thereby greatly reducing the operation and maintenance cost of the photovoltaic module system; meanwhile, the system can store the flexible heating device to one side of the photovoltaic module in non-snow removing time, shielding of the photovoltaic module is reduced, and the power generation efficiency of the photovoltaic module is not affected.
Description
Technical Field
The invention relates to the field of operation and maintenance of photovoltaic module systems, in particular to an automatic snow removing system for a photovoltaic module.
Background
In the field of new energy power generation, solar photovoltaic power generation occupies an important position. The solar photovoltaic power generation does not need fuel, does not generate any waste, does not generate noise, a greenhouse and toxic gas, and can directly convert light energy into electric energy, so that the solar photovoltaic power generation is an ideal clean energy source.
In the power generation process of the photovoltaic module system, the shielding of the surface of the photovoltaic module has great influence on the power generation capacity of the photovoltaic module. In northern cold areas, a large amount of ice and snow is accumulated on the surface of the photovoltaic module in winter due to large snowfall and low air temperature, and the photovoltaic module cannot be melted for a long time, so that the generated energy of the photovoltaic module is greatly affected if the photovoltaic module is not cleaned in time. In addition, the accumulated ice and snow can increase the load of the roof, and the risk of overload of the roof exists.
At present, in the field of photovoltaic power generation operation and maintenance, snow on the surface of a photovoltaic module is removed by adopting a manual snow removing method, namely, snow melting agent is manually sprayed above the photovoltaic module to remove snow, but because the photovoltaic module system is large in general area, the required snow melting agent is large in dosage, high in cost, long in time consumption and certain potential safety hazards exist when the snow melting agent is manually sprayed. In addition, the snow-melting agent has certain corrosiveness, and the long-term use can influence the service life of the photovoltaic module.
Disclosure of Invention
The invention provides an automatic snow removing system of a photovoltaic module, which is used for automatically removing snow accumulated on the surface of the photovoltaic module in winter, reducing operation and maintenance cost and improving power generation, and comprises a control circuit, a power supply device, a transmission device, a moving mechanism, a fixing mechanism and a flexible heating device, wherein:
the transmission device, the power supply device and the flexible heating device are respectively and electrically communicated with the control circuit;
one end of the flexible heating device is connected with the fixing mechanism at one side of the photovoltaic module, and the other end of the flexible heating device is connected with the moving mechanism;
the transmission device is connected with the moving mechanism and can drive the moving mechanism to move on the front surface of the photovoltaic module relative to the fixing mechanism according to the control of the control circuit so as to spread or fold the flexible heating device on the front surface of the photovoltaic module;
the automatic snow removing system of the photovoltaic module further comprises a temperature sensor arranged on the front surface of the photovoltaic module, wherein the temperature sensor is electrically communicated with the control circuit and can provide temperature information for the control circuit;
the temperature sensor (170) monitors the temperature of the front surface of the photovoltaic module (200) in real time and sends temperature information to the control circuit (110), the control circuit (110) starts or closes the flexible heating device (140) according to the temperature information, or the control circuit (110) uploads the real-time temperature information to the control center for reference of staff, and the control circuit (110) starts or stops snow removing operation after acquiring a remote control instruction of the control center.
In specific implementation, the automatic snow removing system of the photovoltaic module further comprises a protective cover, wherein the protective cover and the fixing mechanism are positioned on the same side of the photovoltaic module and cover the outside of the fixing mechanism, and the moving mechanism and the flexible heating device can be contained in the protective cover after moving out of the front surface of the photovoltaic module.
In a specific implementation, the fixing mechanism is connected with the transmission device, and the transmission device can drive the fixing mechanism to rotate according to the control of the control circuit so as to wind the flexible heating device to the fixing mechanism.
In specific implementation, the both ends of moving mechanism are provided with the gyro wheel respectively, photovoltaic module perpendicular to moving mechanism's both sides are provided with the track that the gyro wheel corresponds, moving mechanism can pass through the gyro wheel is followed the track removes.
In specific implementation, the flexible heating device comprises a plurality of resistance wires, and the resistance wires are uniformly distributed along the moving mechanism and have equal intervals.
In specific implementation, the surface of the resistance wire is wrapped with the waterproof sheath made of insulating materials.
In specific implementation, the protective cover is an insulating protective cover, the moving mechanism is an insulating moving mechanism, and the fixing mechanism is an insulating fixing mechanism.
In specific implementation, the power supply device is in electrical communication with the photovoltaic module, and electrical energy is obtained and stored from the photovoltaic module.
In specific implementation, a water diversion pipeline is arranged in the track, one end of the water diversion pipeline is communicated with a water source, and the other end of the water diversion pipeline is provided with a water outlet.
In a specific implementation, after the flexible heating device is folded, the flexible heating device body is heated by second power until residual moisture is removed, and the second power is smaller than first power when the flexible heating device performs snow melting operation.
The invention provides an automatic snow removing system for a photovoltaic module, which comprises a power supply device, a transmission device, a moving mechanism, a fixing mechanism and a flexible heating device which are respectively connected with a control circuit, wherein the power supply device is used for supplying electric energy to the control circuit, the transmission device and the flexible heating device, the transmission device can control the moving mechanism to move in parallel along the front surface of the photovoltaic module according to control information of the control circuit, one end of the flexible heating device is connected with the fixing mechanism on one side of the photovoltaic module, and the other end of the flexible heating device is connected with the moving mechanism and can be unfolded or folded on the front surface of the photovoltaic module. The automatic snow removing system of the photovoltaic module can adjust the temperature of the front surface of the photovoltaic module through the flexible heating device in low-temperature weather so as to automatically melt snow or ice accumulated on the front surface of the photovoltaic module, thereby greatly reducing the operation and maintenance cost of the photovoltaic module system; meanwhile, the automatic snow removing system of the photovoltaic module can store the flexible heating device to one side of the photovoltaic module in non-snow removing time, shielding of the photovoltaic module is reduced, and the power generation efficiency of the photovoltaic module is not affected. In addition, the device can be directly arranged on the existing photovoltaic bracket, is easy to realize and saves the material cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic diagram of an automatic snow removal system for a photovoltaic module according to one embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a track according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention will be made with reference to the accompanying drawings. The exemplary embodiments of the present invention and the descriptions thereof are used herein to explain the present invention, but are not intended to limit the invention.
As shown in fig. 1, the present invention provides an automatic snow removing system for a photovoltaic module, which is used for automatically removing snow accumulated on the surface of a photovoltaic module 200 in winter, reducing operation and maintenance costs and improving power generation, and comprises a control circuit 110, a power supply device 120, a transmission device 180, a moving mechanism 130, a fixing mechanism 190 and a flexible heating device 140, wherein:
the transmission device 180, the power supply device 120 and the flexible heating device 140 are respectively and electrically communicated with the control circuit 110;
one end of the flexible heating device 140 is connected to the fixing mechanism 190 on one side of the photovoltaic module 200, and the other end is connected to the moving mechanism 130;
the transmission device 180 is connected to the moving mechanism 130, and can drive the moving mechanism 130 to move on the front surface of the photovoltaic module 200 relative to the fixing mechanism 190 according to the control of the control circuit 110, so as to spread or fold the flexible heating device 140 on the front surface of the photovoltaic module 200.
The working principle of the automatic snow removing system of the photovoltaic module is as follows: in winter, the temperature is reduced to start snowfall, power station operation and maintenance personnel can remotely control and send signals to the control circuit 110, the control circuit 110 drives the moving mechanism 130 to move along the front surface of the photovoltaic module 200 through the transmission device 180 to drive the flexible heating device 140 to cover the front surface of the photovoltaic module 200, then the power supply device 120 supplies power to the flexible heating device 140 through the control circuit 110, and the flexible heating device 140 can generate heat to raise the temperature of the front surface of the photovoltaic module 200, so that the snow removing effect is achieved. After the snow removing operation is completed, the control circuit 110 can control the moving mechanism 130 to retract the flexible heating device 140 back to one side of the photovoltaic module 200, so as to avoid long-time blocking of the photovoltaic module 200 and influence on normal power generation of the photovoltaic system.
In a specific implementation, as shown in fig. 1, in order to improve the service life of the automatic snow removing system for a photovoltaic module, the automatic snow removing system for a photovoltaic module may further include a protective cover 160, where the protective cover 160 and the fixing mechanism 190 are located at the same side of the photovoltaic module 200 and cover the outside of the fixing mechanism 190, and the moving mechanism 130 and the flexible heating device 140 may be housed inside the protective cover 160 after moving out of the front surface of the photovoltaic module 200. Further, the control circuit 110, the transmission device 180, and the power supply device 120 may be disposed inside the protective cover 160, so as to prevent the control circuit 110, the transmission device 180, and the power supply device 120 from being wetted by snow water.
In particular embodiments, the securing mechanism 180 may be provided in a variety of embodiments. For example, as shown in fig. 1, when the snow removing is completed, the moving mechanism 130 draws the flexible heating device 140 to one side of the photovoltaic module 200, if the flexible heating device 140 is not effectively fixed, not only a safety hazard is caused, but also the service life of the flexible heating device 140 is not easily prolonged, so that the fixing mechanism 180 may be in a reel shape that is beneficial to rotation and is not easy to damage the flexible heating device 140, the fixing mechanism 190 is connected with the transmission mechanism 180 to obtain a torsion force, and the transmission mechanism 180 may drive the fixing mechanism 190 to rotate according to the control of the control circuit 110 so as to wind the flexible heating device 140 to the fixing mechanism 190. The flexible heating device 140 is wound and fixed, so that the service life of the flexible heating device 140 can be effectively prolonged, potential safety hazards can be reduced, and short circuit, electric leakage and other conditions of the protruding flexible heating device 140 are avoided.
In particular embodiments, the movement of the movement mechanism 130 may be configured in a variety of ways. For example, as shown in fig. 1, the two ends of the moving mechanism 130 may be respectively provided with rollers 131, the two sides of the photovoltaic module 200 perpendicular to the moving mechanism 130 are provided with rails 150 corresponding to the rollers 131, and the moving mechanism 130 may move along the rails 150 through the rollers 131. The moving mechanism 130 moves along the rail 150, and a driving device may be provided inside the moving mechanism to achieve movement of the shaft-like moving mechanism without an external force, or a transmission device 180 provided at one side of the photovoltaic module 200 to pull the moving mechanism 130 to move. The rail 150 may be fixed on the support of the photovoltaic module 200 to ensure stability. It should be noted that the above embodiment of the driving manner of the moving mechanism 130 is merely for better describing the working principle of the moving mechanism 130, and is not a limitation of the present invention.
In particular embodiments, the flexible heating device 140 may be selected from a variety of embodiments. For example, as shown in fig. 1, since the resistance wire 141 has a smaller shielding effect on the front surface of the photovoltaic module 200, the effect on the power generation of the photovoltaic module 200 is reduced, and thus the flexible heating device 140 may include a plurality of resistance wires 141, and at the same time, for uniformly removing snow on the surface of the photovoltaic module 200, a plurality of resistance wires 141 may be uniformly arranged along the moving mechanism 130 with equal intervals. For another example, the flexible heating device 140 may be a heating film, and the heating film may completely cover the surface of the photovoltaic module 200, so as to quickly melt snow and improve the working efficiency of the system. Further, the area of the heating film may be the same as the shape of the photovoltaic module 200; in addition, the heating film can be a light-transmitting heating film, so that shielding of the photovoltaic module 200 is reduced while heating is performed, and the power generation efficiency of the photovoltaic module 200 is improved.
In specific implementation, the resistance wire 141 is in contact with snow water for a long time during operation, so that in order to improve the safety performance of the device, the problems of short circuit, electric leakage and the like are avoided, and the surface of the resistance wire 141 can be further wrapped with an insulating waterproof sheath.
In particular embodiments, the materials of the components in the system may be selected in various embodiments. For example, to enhance safety, the shield 160 may be an insulating shield, the moving mechanism 130 may be an insulating moving mechanism, and the fixing mechanism 190 may be an insulating fixing mechanism.
In a specific implementation, as shown in fig. 1, in order to reduce energy consumption and avoid resource waste, the automatic snow removing system for a photovoltaic module may further include a temperature sensor 170 disposed on the front surface of the photovoltaic module 200, where the temperature sensor 170 is electrically connected to the control circuit 110 and may provide temperature information to the control circuit 110. In operation, the temperature sensor 170 can monitor the temperature of the front surface of the photovoltaic module 200 in real time and send the temperature information to the control circuit 110, the control circuit 110 can upload the real-time temperature information to the control center for reference by workers, and the control circuit 110 can also automatically turn on or off the flexible heating device 140 according to the temperature information, so that waste of excessive electric energy is avoided.
In a specific implementation, the power supply device 120 may be configured in various embodiments. For example, the power supply 120 may be in electrical communication with the photovoltaic module 200, and electrical energy may be harvested and stored from the photovoltaic module 200. In operation, the power supply 120 directly obtains electrical energy from the photovoltaic module 200, and thus may operate independently without external power.
In a specific implementation, as shown in fig. 1 and 2, in order to facilitate the cleaning of the photovoltaic module 200 by the operation and maintenance personnel, a water diversion pipeline 151 may be further disposed inside the track 150, one end of the water diversion pipeline 151 is communicated with a water source, and the other end is provided with a water outlet 152. After the snow removal is completed, if the operation and maintenance personnel find that dust and dirt exist on the surface of the photovoltaic module 200, a cleaning water gun can be connected to the water outlet 152 of the water diversion pipeline 151, and the water faucet is opened to clean the dust and dirt on the surface of the photovoltaic module 200. Further, the water outlet may be located at a middle section of the track 150, so that the cleaning gun may effectively flush each region of the photovoltaic module 200.
In particular, the system can be used for starting and stopping snow removing operation in various embodiments. For example, the control circuit 110 may start or stop the snow removing operation after acquiring a remote control instruction of the control center.
In a specific implementation, in order to avoid damaging the electronic components in the system, after the flexible heating device 140 is folded, the flexible heating device 140 body is heated with a second power until residual moisture is removed, where the second power is smaller than the first power when the flexible heating device 140 performs the snow melting operation.
The invention provides an automatic snow removing system for a photovoltaic module, which comprises a power supply device, a transmission device, a moving mechanism, a fixing mechanism and a flexible heating device which are respectively connected with a control circuit, wherein the power supply device is used for supplying electric energy to the control circuit, the transmission device and the flexible heating device, the transmission device can control the moving mechanism to move in parallel along the front surface of the photovoltaic module according to control information of the control circuit, one end of the flexible heating device is connected with the fixing mechanism on one side of the photovoltaic module, and the other end of the flexible heating device is connected with the moving mechanism and can be unfolded or folded on the front surface of the photovoltaic module. The automatic snow removing system of the photovoltaic module can adjust the temperature of the front surface of the photovoltaic module through the flexible heating device in low-temperature weather so as to automatically melt snow or ice accumulated on the front surface of the photovoltaic module, thereby greatly reducing the operation and maintenance cost of the photovoltaic module system; meanwhile, the automatic snow removing system of the photovoltaic module can store the flexible heating device to one side of the photovoltaic module in non-snow removing time, shielding of the photovoltaic module is reduced, and the power generation efficiency of the photovoltaic module is not affected. In addition, the device can be directly arranged on the existing photovoltaic bracket, is easy to realize and saves the material cost.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. An automatic snow removing system of a photovoltaic module, comprising a control circuit (110), a power supply device (120), a transmission device (180), a moving mechanism (130), a fixing mechanism (190) and a flexible heating device (140), wherein:
the transmission device (180), the power supply device (120) and the flexible heating device (140) are respectively and electrically communicated with the control circuit (110);
one end of the flexible heating device (140) is connected with the fixed mechanism (190) at one side of the photovoltaic module (200), and the other end is connected with the moving mechanism (130);
the transmission device (180) is connected with the moving mechanism (130), and can drive the moving mechanism (130) to move on the front surface of the photovoltaic module (200) relative to the fixing mechanism (190) according to the control of the control circuit (110) so as to spread or fold the flexible heating device (140) on the front surface of the photovoltaic module (200);
the automatic snow removing system of the photovoltaic module further comprises a temperature sensor (170) arranged on the front surface of the photovoltaic module (200), wherein the temperature sensor (170) is electrically communicated with the control circuit (110) and can provide temperature information for the control circuit (110);
the temperature sensor (170) monitors the temperature of the front surface of the photovoltaic module (200) in real time and sends temperature information to the control circuit (110), the control circuit (110) starts or closes the flexible heating device (140) according to the temperature information, or the control circuit (110) uploads the real-time temperature information to the control center for reference of staff, and the control circuit (110) starts or stops snow removing operation after acquiring a remote control instruction of the control center.
2. The automatic photovoltaic module snow removal system of claim 1, further comprising a protective cover (160), wherein the protective cover (160) is located on the same side of the photovoltaic module (200) as the fixing mechanism (190) and covers the outside of the fixing mechanism (190), and the moving mechanism (130) and the flexible heating device (140) are receivable inside the protective cover (160) after moving out of the front surface of the photovoltaic module (200).
3. The automatic snow removing system of a photovoltaic module as set forth in claim 1 wherein said securing mechanism (190) is connected to said transmission (180), said transmission (180) being operable to drive said securing mechanism (190) in rotation to wind said flexible heating device (140) to said securing mechanism (190) in accordance with control of said control circuit (110).
4. The automatic snow removing system for photovoltaic modules according to claim 1, wherein rollers (131) are respectively arranged at two ends of the moving mechanism (130), rails (150) corresponding to the rollers (131) are arranged at two sides of the photovoltaic module perpendicular to the moving mechanism (130), and the moving mechanism (130) can move along the rails (150) through the rollers (131).
5. The automatic snow removing system for a photovoltaic module according to claim 1, wherein the flexible heating means (140) comprises a plurality of resistance wires (141), and the plurality of resistance wires (141) are uniformly arranged along the moving mechanism (130) with equal intervals.
6. The automatic snow removing system for photovoltaic modules as claimed in claim 5, wherein the surface of said resistance wire (141) is wrapped with a waterproof sheath of insulating material.
7. The automatic snow removal system of a photovoltaic module of claim 2, wherein the shield (160) is an insulated shield, the movement mechanism (130) is an insulated movement mechanism, and the securing mechanism (190) is an insulated securing mechanism.
8. The photovoltaic module automatic snow removal system of claim 1, wherein the power supply (120) is in electrical communication with the photovoltaic module (200), capturing and storing electrical energy from the photovoltaic module (200).
9. The automatic snow removing system for photovoltaic modules according to claim 4, wherein a water diversion pipeline (151) is arranged inside the track (150), one end of the water diversion pipeline (151) is communicated with a water source, and a water outlet (152) is arranged at the other end of the water diversion pipeline.
10. The photovoltaic module automatic snow removal system of any of claims 1-9, wherein the flexible heating device (140) after collapsing heats the flexible heating device (140) body with a second power that is less than the first power of the flexible heating device (140) when performing the snow removal operation until residual moisture is removed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910178674.3A CN109728780B (en) | 2019-03-11 | 2019-03-11 | Automatic snow removing system of photovoltaic module |
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| CN201910178674.3A CN109728780B (en) | 2019-03-11 | 2019-03-11 | Automatic snow removing system of photovoltaic module |
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| CN109728780A CN109728780A (en) | 2019-05-07 |
| CN109728780B true CN109728780B (en) | 2024-03-22 |
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| CN206759385U (en) * | 2017-02-28 | 2017-12-15 | 四川德利晶源新能源科技股份有限公司 | A kind of photovoltaic module automatic snow-melting defroster |
| CN207354173U (en) * | 2017-07-13 | 2018-05-11 | 安徽熠阳新能源科技有限公司 | A kind of double glass photovoltaic modulies of low light attenuation |
| CN207053463U (en) * | 2017-08-11 | 2018-02-27 | 秦皇岛赛康光电电子有限公司 | A kind of deashing device on solar street light |
| CN207369718U (en) * | 2017-09-01 | 2018-05-18 | 扬州日中天生态农业有限公司 | Automatic snow agricultural greenhouse |
| CN107960711A (en) * | 2017-12-20 | 2018-04-27 | 南京菱亚汽车技术研究院 | A kind of shared umbrella device with rainwater-collecting drying function |
| CN208209852U (en) * | 2018-03-30 | 2018-12-07 | 江苏仟略信息技术有限公司 | A kind of solar battery board mounting assembly |
| CN108322180A (en) * | 2018-04-08 | 2018-07-24 | 吴亚琴 | A kind of photovoltaic module automatic dust removing snow-removing device |
| CN108347223A (en) * | 2018-04-23 | 2018-07-31 | 中山铨欣智能照明有限公司 | A kind of amorphous silicon film battery for adding electrode modification layer |
| CN208257754U (en) * | 2018-06-12 | 2018-12-18 | 湖北金索兰太阳能有限公司 | A kind of multi-functional photovoltaic power generation apparatus |
| CN208572023U (en) * | 2018-08-13 | 2019-03-01 | 合肥阳光新能源科技有限公司 | A kind of device for melting snow |
| CN209330051U (en) * | 2019-03-11 | 2019-08-30 | 浙江正泰新能源开发有限公司 | Photovoltaic module snow auto-removing system |
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