CN114244264B - Photovoltaic power generation traffic backplate - Google Patents
Photovoltaic power generation traffic backplate Download PDFInfo
- Publication number
- CN114244264B CN114244264B CN202111568104.9A CN202111568104A CN114244264B CN 114244264 B CN114244264 B CN 114244264B CN 202111568104 A CN202111568104 A CN 202111568104A CN 114244264 B CN114244264 B CN 114244264B
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- storage bin
- protection ring
- plate
- solar photovoltaic
- bin
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- 238000010248 power generation Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims abstract description 3
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
-
- 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
-
- 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
Abstract
The invention discloses a photovoltaic power generation traffic protection plate, which belongs to the technical field of solar photovoltaic plates and comprises a solar photovoltaic plate, wherein a protection ring is sleeved on the outer surface of the solar photovoltaic plate, a detention bin is arranged inside the protection ring, a first storage bin is arranged inside the detention bin, a second storage bin is arranged below the first storage bin, a filtering pipe orifice is arranged inside the second storage bin, one end of the filtering pipe orifice is provided with a flow extraction pipe, and the top of the flow extraction pipe is provided with an atomizing spray head; through setting up filter, first storage storehouse, second storage storehouse etc. mechanism for the device is whole can effectually carry out the water conservancy diversion to its ponding in overcast and rainy weather or torrential rain weather when using, thereby guaranteed that the device can not corrode its whole because the rainwater is too much when using, and then the effectual holistic life of device of having guaranteed has ensured the normal use of device.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation traffic guard plates, in particular to a photovoltaic power generation traffic guard plate.
Background
The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing a photovoltaic effect of a semiconductor interface, mainly comprises three parts, namely a solar panel (assembly), a controller and an inverter, and mainly comprises electronic components.
And the traffic backplate that photovoltaic power generation used, as the name implies, can be effectual when the device uses to it protects, and be suitable for on each street lamp, protect it with this when photovoltaic power generation board uses, but the current device on the existing market often has a lot of different problems when using, for example its device life is not permanent enough when using, often takes place to split or the device collapses under burning sun, also or a series of problems such as the device is easy ponding in gap department.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a photovoltaic power generation traffic guard plate which has the characteristics of avoiding a series of problems that the service life of the device is not long enough when the device is used, the device is often easy to crack or break in a burning day, or water is easy to accumulate in a gap of the device, and the like.
In order to realize the purpose, the invention provides the following technical scheme:
a photovoltaic power generation traffic protection plate is shown in the figure, wherein a first protection ring is sleeved on the outer surface of a solar photovoltaic plate, a retention bin is arranged inside the first protection ring, a first storage bin is arranged inside the retention bin, a second storage bin is arranged below the first storage bin, a filtering pipe opening is arranged inside the second storage bin, one end of the filtering pipe opening is provided with a flow-extracting pipe, and the top of the flow-extracting pipe is provided with an atomizing nozzle;
through adopting above-mentioned technical scheme for the device can be effectual carry out effectual protection to its whole through setting up of its mechanism when using, and then the life of extension device.
Further, the top in first storage storehouse is provided with the filter, the setting of filter is used for the protection of using to first storage storehouse is stocked, the surface joint of filter is at the top of first guard ring, the surface in second storage storehouse is provided with the second guard circle, the setting of second guard circle is used for the protection to first guard ring use, the bottom of second guard circle is provided with the through-flow hole, the assorted groove has been seted up to the position that the second guard circle corresponds the through-flow hole, the bottom in through-flow hole is provided with the baffle, the inside swing joint of baffle has the fly leaf.
Through adopting above-mentioned technical scheme for the storehouse is stored to the second begins effectually to be stored the rainwater, and the second guard circle can effectually prevent that the rainwater from piling up takes place to soak the scheduling problem when first guard ring is inside, thereby leads to the corruption of solar photovoltaic board.
Furthermore, one side of the flow pumping pipe is provided with an electric control valve, the electric control valve is arranged to limit the use of the flow pumping pipe, and a water suction pump is arranged inside the electric control valve.
Through adopting above-mentioned technical scheme, guaranteed that solar photovoltaic board and first protection ring can not take place the problem of fracture in dry environment.
Furthermore, a through hole is formed in the movable plate, a clamping plate is arranged on one side of the movable plate, and a clamping groove is formed in the clamping plate.
Through adopting above-mentioned technical scheme, guaranteed to have effectually to store the inside drainage mediation that carries out of storehouse to first storage storehouse and second.
Further, the top of fly leaf is provided with servo motor, servo motor's top electric connection has the signal processing piece, the top of signal processing piece is provided with signal receiving rod.
By adopting the technical scheme, the whole device can be remotely controlled, the signal receiving of the signal receiving rod can be gathered in the signal box, and mechanisms such as a console are arranged, so that the device can be used in a large-range covering mode and operated integrally.
Furthermore, the inside meshing of draw-in groove is connected with servo motor, the movable length of fly leaf equals the movable length of draw-in groove.
By adopting the technical scheme, the device can be effectively limited integrally when used, and the normal use of the device is ensured.
Furthermore, the number of the electric control valves is two, and the two electric control valves are mutually and electrically connected through a communication wire.
Through adopting above-mentioned technical scheme for the setting of two electric control valves can all-round cover solar photovoltaic board and the cracked place of easy embrittlement of first protection ring kneck department, thereby has guaranteed the biggest functionality of device at the minimum within range.
In conclusion, the invention has the following beneficial effects:
1. through the arrangement of the filter plate, the first storage bin, the second storage bin and other mechanisms, the signal receiving rod transmits signals, and then the signals are processed through the signal processing block, so that the signal processing block gives instructions to the servo motor or the electric control valve, the whole device can be remotely controlled, the servo motor can be rotated at the moment, one side of the clamping groove is rotated, and when the servo motor is rotated, the through hole can be attached to the bottom of the through hole, so that the through hole does not have a sealing effect any more, the drainage and dredging in the first storage bin and the second storage bin can be effectively guaranteed, the accumulated water of the device can be effectively guided in rainy weather or rainstorm weather when the device is used, and the device is prevented from being corroded by excessive rainwater, thereby effectively ensuring the service life of the whole device and ensuring the normal use of the device.
2. Through setting up mechanisms such as filter tube mouth, draft tube, automatically controlled valve for its device can long-range integration control, and guaranteed that it can be according to the needs of surrounding environment, let it can cool down its solar photovoltaic board and guard circle in the weather of insolation, thereby guaranteed that the device can not excessively absorb heat in overheated weather and make its surface take place the embrittlement scheduling problem, thereby guaranteed device life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of a retention tank of the present invention;
FIG. 3 is an enlarged schematic view of the movable plate of the present invention;
FIG. 4 is a schematic side sectional view of the retention tank of the present invention.
FIG. 5 is a block diagram of a signal processing block according to the present invention
In the figure:
1. a solar photovoltaic panel; 2. a first retainer ring; 3. a retention bin; 4. a filter plate; 5. a first storage bin; 6. a second storage bin; 7. a second guard circle; 8. a through-flow aperture; 9. a partition plate; 10. a movable plate; 11. a servo motor; 12. a signal processing block; 13. a signal receiving rod; 14. a through hole; 15. a card slot; 16. clamping a plate; 17. a filter tube orifice; 18. a suction pipe; 19. an electrically controlled valve; 20. an atomizing spray head; 21. and (4) communicating the electric wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention
Example 1:
the present invention is described in further detail below with reference to fig. 1-5.
Referring to fig. 1-5, the present invention provides a technical solution: a photovoltaic power generation traffic guard board is shown in figures 1-5, wherein a first protection ring 2 is sleeved on the outer surface of a solar photovoltaic panel 1, a detention bin 3 is arranged inside the first protection ring 2, a first storage bin 5 is arranged inside the detention bin 3, a second storage bin 6 is arranged below the first storage bin 5, a filter pipe orifice 17 is arranged inside the second storage bin 6, a flow-extracting pipe 18 is arranged at one end of the filter pipe orifice 17, and an atomizing nozzle 20 is arranged at the top of the flow-extracting pipe 18;
in this embodiment, we are when using its device, because solar photovoltaic board 1 is when using if single insolate or place in external environment, it damages to make solar photovoltaic board 1 take place very easily, so can protect it through the setting of first protection ring 2, and can also play a series of effects such as water storage drainage to it through the setting of detaining storehouse 3, make the device can effectually carry out effectual protection to its whole through the setting of its mechanism when using, and then prolong the life of device.
Example 2
As shown in fig. 1-5, a filter plate 4 is disposed on the top of the first storage bin 5, the filter plate 4 is disposed to protect the first storage bin 5 from storage, a surface of the filter plate 4 is clamped on the top of the first protection ring 2, a second protection ring 7 is disposed on the outer surface of the second storage bin 6, the second protection ring 7 is disposed to protect the first protection ring 2 from use, a through hole 8 is disposed at the bottom of the second protection ring 7, a matching groove is disposed at a position of the second protection ring 7 corresponding to the through hole 8, a partition plate 9 is disposed at the bottom of the through hole 8, and a movable plate 10 is movably connected inside the partition plate 9;
in this embodiment, and when specifically using, if the sudden rain falls in the sky, rainwater etc. so as to avoid it to soak first protection ring 2 and solar photovoltaic board 1 and thereby take place to rot this moment, can effectually filter the debris in the rainwater through filter 4, make unnecessary rainwater flow to the inside of first storage storehouse 5, the water flat line of filter 4 is that first protection ring 2 surface is the lowest, when the rainwater collects first storage storehouse 5 inside this moment, can let the inside rainwater of first storage storehouse 5 and then the seepage to the second store storehouse 6, thereby make second storage storehouse 6 begin effectually to store the rainwater, and second guard ring 7 can effectually prevent that the rainwater from piling up takes place to soak scheduling problem when first protection ring 2 is inside, thereby lead to the corruption of solar photovoltaic board 1.
Example 3
As shown in fig. 1-5, an electrically controlled valve 19 is disposed on one side of the suction pipe 18, the electrically controlled valve 19 is disposed to limit the use of the suction pipe 18, and a water pump is disposed inside the electrically controlled valve 19;
in this embodiment, through setting up automatically controlled valve 19 for its device can long-range integration be controlled, and guaranteed that it can let its solar photovoltaic board 1 and first protection ring 2 cool down in the weather that insolate according to the needs of surrounding environment, and guaranteed that solar photovoltaic board 1 and first protection ring 2 can not take place the problem of fracture in dry environment.
Example 4
As shown in fig. 1 to 5, a through hole 14 is formed in the movable plate 10, a clamping plate 16 is disposed on one side of the movable plate 10, and a clamping groove 15 is formed in the clamping plate 16;
in this embodiment, through setting up fly leaf 10, when we need carry out the drainage to the inside of first storehouse 5 and the second storehouse 6 of storing, we can rotate servo motor 11 through rotating this moment for one side of its block draw-in groove 15 inside rotates, and when rotating, through-hole 14 can laminate in the bottom of through-flow hole 8, makes through-flow hole 8 no longer have sealed effect, thereby has guaranteed to have can effectually store the inside drainage mediation of 6 storehouses to first storehouse 5 and second.
Example 5
As shown in fig. 1 to 5, a servo motor 11 is disposed on the top of the movable plate 10, a signal processing block 12 is electrically connected to the top of the servo motor 11, and a signal receiving rod 13 is disposed on the top of the signal processing block 12;
in this embodiment, the function of the signal receiving rod 13 in the whole device is crucial, and at this time, the signal receiving rod 13 needs to transmit a signal, and then the signal is processed by the signal processing block 12, so that the signal processing block 12 issues an instruction to the servo motor 11 or the electric control valve 19, and thus the whole device can be remotely controlled, the signal receiving of the signal receiving rod 13 can be collected in the signal box, and mechanisms such as a console are provided, so that the whole device can be used in a large-scale covering manner and operated integrally.
Example 6
As shown in fig. 1 to 5, the inside of the card slot 15 is engaged with the servo motor 11, and the movable length of the movable plate 10 is equal to the movable length of the card slot 15;
in this embodiment, through so setting up for the device can be effectual when using through draw-in groove 15's length change, adapts to the solar photovoltaic board 1 and the first protection ring 2 of different specifications, has ensured that the device can effectually restrict its whole when using, and has guaranteed the normal use of device.
Example 7
As shown in fig. 1 to 5, the number of the electrically controlled valves 19 is two, and the two electrically controlled valves 19 are electrically connected to each other by a communication wire 21;
in this embodiment, through setting up two electric control valves 19, make the device can be effectual carry out integrated control to it through UNICOM's electric wire 21 when using, and the setting of two electric control valves 19 can all-round cover solar photovoltaic board 1 and the cracked place of easy embrittlement of first protection ring 2 kneck to the maximum functionality of device has been guaranteed at minimum within a definite time.
The working principle is as follows:
when the device is used, the solar photovoltaic panel 1 is easily damaged if the solar photovoltaic panel 1 is singly exposed or placed in an external environment when the device is used, so the solar photovoltaic panel can be protected by the arrangement of the first protection ring 2, and a series of effects of water storage, drainage and the like can be achieved by the arrangement of the retention bin 3, so that the whole device can be effectively protected by the arrangement of the mechanism when the device is used, the service life of the device is further prolonged, particularly, if the device is used, if the device is subjected to sudden rain, rainwater and the like can be effectively filtered by the filter plate 4 to prevent the device from soaking the first protection ring 2 and the solar photovoltaic panel 1 to cause corrosion, and redundant rainwater can flow into the first storage bin 5, the horizontal line of the filter plate 4 is the lowest surface of the first protection ring 2, when rainwater is collected in the first storage bin 5, rainwater in the first storage bin 5 can further seep into the second storage bin 6, so that the second storage bin 6 can effectively store rainwater, the second protection ring 7 can effectively prevent the rainwater from being soaked and the like when the rainwater is accumulated in the first protection ring 2, the solar photovoltaic panel 1 is corrupted, the device can be remotely and integrally controlled by arranging the electric control valve 19, the solar photovoltaic panel 1 and the first protection ring 2 can be cooled in the insolation weather according to the requirements of the surrounding environment, and the solar photovoltaic panel 1 and the first protection ring 2 are prevented from cracking in the dry environment, particularly, when the device is continuously used in a continuous scorching and insolation environment, the signal is sent to the whole device through the signal receiving rod 13, when the signal is processed by the signal processing block 12, the use of the device is submitted to the electric control valve 19 to control the whole device, so that the water pump in the electric control valve 19 is started, the pumping pipe 18 is pumped after the water pump is started, the feed liquid in the second storage bin 6 can be pumped and delivered through the filtering pipe orifice 17, the feed liquid in the second storage bin 6 can be fully filtered through the filtering pipe orifice at the moment, the device can be effectively used through the group of mechanisms, and finally the feed liquid is delivered into the atomizing nozzle 20, so that the device can effectively cool the whole device, and the use of the whole device is finally ensured, through the arrangement of the movable plate 10, when water needs to be drained from the inside of the first storage bin 5 and the inside of the second storage bin 6, the servo motor 11 can be rotated to enable one side of the inside of the clamping groove 15 to rotate, and when the movable plate rotates, the through hole 14 can be attached to the bottom of the through hole 8, so that the through hole 8 no longer has a sealing effect, the inside of the first storage bin 5 and the inside of the second storage bin 6 can be effectively dredged through water drainage, rainwater can be thoroughly prevented from easily soaking the device, the problems of corrosion or catalysis and the like occur, the function of the signal receiving rod 13 in the whole device is important, at the moment, the signal receiving rod 13 needs to be transmitted by people, and then the signal receiving rod is processed through the signal processing block 12, so that the signal processing block 12 issues an instruction to the servo motor 11 or the electric control valve 19, so that the whole device can be remotely controlled, the signal receiving of the signal receiving rod 13 can be gathered in the signal box, and a mechanism such as a console is arranged, so that the device can be used in a wide range and integrally operated, and if the device needs to be replaced, the length of the clamping groove 15 is changed to adapt to solar photovoltaic panels 1 and first protective rings 2 with different specifications, so that the device can be effectively limited integrally when in use, and ensures the normal use of the device, the two electric control valves 19 are arranged, so that the device can be effectively and integrally controlled through the communication electric wire 21 when in use, and the two electric control valves 19 can cover the fragile and fragile position of the solar photovoltaic panel 1 and the first protection ring 2 at the interface in an omnibearing way, thereby ensuring the maximum functionality of the device in the minimum range.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention; in the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (2)
1. The utility model provides a photovoltaic power generation traffic backplate, includes solar photovoltaic board (1), its characterized in that: the solar photovoltaic panel is characterized in that a first protection ring (2) is sleeved on the outer surface of the solar photovoltaic panel (1), a retention bin (3) is arranged inside the first protection ring (2), a first storage bin (5) is arranged inside the retention bin (3), a second storage bin (6) is arranged below the first storage bin (5), a filtering pipe orifice (17) is arranged inside the second storage bin (6), a flow-extracting pipe (18) is arranged at one end of the filtering pipe orifice (17), and an atomizing spray head (20) is arranged at the top of the flow-extracting pipe (18);
the top of the first storage bin (5) is provided with a filter plate (4), the filter plate (4) is arranged for protecting the first storage bin (5) during storage and use, the surface of the filter plate (4) is clamped at the top of the first protection ring (2), the outer surface of the second storage bin (6) is provided with a second protection ring (7), the second protection ring (7) is arranged for protecting the first protection ring (2), the bottom of the second protection ring (7) is provided with a through hole (8), a matched groove is formed in the position, corresponding to the through hole (8), of the second protection ring (7), the bottom of the through hole (8) is provided with a partition plate (9), and a movable plate (10) is movably connected inside the partition plate (9);
a through hole (14) is formed in the movable plate (10), a clamping plate (16) is arranged on one side of the movable plate (10), and a clamping groove (15) is formed in the clamping plate (16);
the top of the movable plate (10) is provided with a servo motor (11), the top of the servo motor (11) is electrically connected with a signal processing block (12), and the top of the signal processing block (12) is provided with a signal receiving rod (13);
a servo motor (11) is meshed and connected inside the clamping groove (15), and the movable length of the movable plate (10) is equal to that of the clamping groove (15);
one side of the pumping pipe (18) is provided with an electric control valve (19), the electric control valve (19) is arranged to limit the use of the pumping pipe (18), and a water suction pump is arranged inside the electric control valve (19).
2. The photovoltaic traffic guard plate of claim 1, wherein: the number of the electric control valves (19) is two, and the two electric control valves (19) are electrically connected with each other through communication wires (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568104.9A CN114244264B (en) | 2021-12-21 | 2021-12-21 | Photovoltaic power generation traffic backplate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111568104.9A CN114244264B (en) | 2021-12-21 | 2021-12-21 | Photovoltaic power generation traffic backplate |
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| Publication Number | Publication Date |
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| CN114244264A CN114244264A (en) | 2022-03-25 |
| CN114244264B true CN114244264B (en) | 2022-09-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2964859B2 (en) * | 1993-12-22 | 1999-10-18 | 株式会社 多川商事 | Solar cell equipment |
| CN110504915B (en) * | 2019-09-05 | 2022-01-28 | 上海达巧康新材料科技有限公司 | Self-cleaning device for solar panel |
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