CN220935130U - Waterborne photovoltaic panel cleaning structure with angle adjusting function - Google Patents

Waterborne photovoltaic panel cleaning structure with angle adjusting function Download PDF

Info

Publication number
CN220935130U
CN220935130U CN202323030679.2U CN202323030679U CN220935130U CN 220935130 U CN220935130 U CN 220935130U CN 202323030679 U CN202323030679 U CN 202323030679U CN 220935130 U CN220935130 U CN 220935130U
Authority
CN
China
Prior art keywords
photovoltaic panel
hole
circular
groups
handle
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.)
Active
Application number
CN202323030679.2U
Other languages
Chinese (zh)
Inventor
姚国扬
吴家骏
张帆磊
翟羽轩
王轩
孙昕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian University of Architecture and Technology
Original Assignee
Xian University of Architecture and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian University of Architecture and Technology filed Critical Xian University of Architecture and Technology
Priority to CN202323030679.2U priority Critical patent/CN220935130U/en
Application granted granted Critical
Publication of CN220935130U publication Critical patent/CN220935130U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a water photovoltaic panel cleaning structure with an angle adjusting function, and relates to the technical field of water photovoltaic panel cleaning; the adjusting component comprises a mounting groove, bearings, a transmission shaft, a rotary table, a rotary handle, a fixing hole, a fixing rod, a first spring and a handle, wherein the mounting groove is formed in one side of a group of mounting plates, the bearings are arranged in the mounting groove, two groups of mounting plates are formed in the other group of mounting plates, a first circular through hole is formed in the other group of mounting plates, the transmission shaft is arranged in the first circular through hole, and the rotary table is arranged at one end of the transmission shaft. The utility model relates to a water photovoltaic panel cleaning structure with an angle adjusting function, which enables equipment to adjust a cleaning liquid spraying angle, is convenient for cleaning a photovoltaic panel and ensures normal use of the photovoltaic panel.

Description

Waterborne photovoltaic panel cleaning structure with angle adjusting function
Technical Field
The utility model relates to the technical field of water photovoltaic panel cleaning, in particular to a water photovoltaic panel cleaning structure with an angle adjusting function.
Background
Photovoltaic panels, also known as solar panels or solar panels, are devices that utilize the photovoltaic effect to convert solar energy into electrical energy. The photovoltaic panel is widely applied to solar power generation systems, including household photovoltaic systems, commercial photovoltaic systems, large photovoltaic power stations and the like. The water photovoltaic panel is formed by installing photovoltaic cells on the water surface. Waterborne photovoltaic panels typically employ a floating structure, such as a buoyancy tank, pontoon, or pontoon, to enable the photovoltaic cells to float on the water surface.
The cleaning structure of the existing water photovoltaic panel is mostly fixed, cannot be adjusted according to the inclination angle of the photovoltaic panel, so dead angles can be generated, the photovoltaic panel cannot be cleaned completely, normal use of the photovoltaic panel is affected, economic loss is caused for a user, and a new solution is necessary.
The existing cleaning structure of the photovoltaic panel on water cannot be adjusted according to the inclination angle of the photovoltaic panel, the photovoltaic panel cannot be cleaned completely, normal use of the photovoltaic panel is affected, and therefore, the cleaning structure of the photovoltaic panel on water with the angle adjusting function is provided.
Disclosure of Invention
The utility model mainly aims to provide a water photovoltaic panel cleaning structure with an angle adjusting function, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the water photovoltaic panel cleaning structure with the angle adjusting function comprises two mounting plates for supporting, wherein two groups of mounting plates are arranged, adjusting assemblies are arranged on the two groups of mounting plates, the mounting plates are used for mounting the supporting assemblies, and the adjusting assemblies are used for adjusting the spraying angle of the spraying heads;
The adjusting component comprises a mounting groove, a bearing, a transmission shaft, a turntable, a rotating handle, a fixing hole, a fixing rod, a first spring and a handle, wherein the mounting groove is formed in one side of a group of mounting plates, the bearing is arranged in the mounting groove, two groups of mounting plates are formed in the other group of mounting plates, the transmission shaft is arranged in the first circular through hole, the turntable is arranged at one end of the transmission shaft, the rotating handle is arranged on the other side of the turntable, the fixing hole is formed in one side of the group of mounting plates, the fixing hole is provided with a plurality of fixing holes in an equidistant array manner, a second circular through hole is formed in the turntable, the fixing rod is arranged in the second circular through hole, one end of the fixing rod extends to the fixing hole, the handle is arranged at the other end of the fixing rod, one end of the first spring is connected with one side of the handle, the other end of the first spring is connected with one side of the turntable, the rotating handle is used for rotating the turntable, the turntable is used for driving the transmission shaft to rotate, the turntable is used for driving the spraying pipe to rotate, the mounting groove is used for mounting the bearing, the spraying pipe is convenient for the spraying pipe to rotate, the handle is used for pulling the fixing pipe, the fixing rod, the handle is matched with the handle to apply extrusion force to the fixing pipe, and the fixing position is fixed at one end of the fixing position of the fixing pipe.
Preferably, a spray pipe is arranged in the bearing, the other end of the spray pipe is connected with one end of the transmission shaft, a plurality of spray heads are arranged on one side of the spray pipe, the spray heads are distributed in an equidistant array, the spray pipe is matched with the spray heads to spray cleaning liquid to the surface of the photovoltaic panel, and meanwhile the transmission shaft is matched with the bearing to drive the spray pipe to rotate.
Preferably, the connector has been seted up to spray tube one side, connector department is connected with the bellows, bellows one end is equipped with the transfer line, the transfer line other end is connected with the drawing liquid pump, the drawing liquid pump opposite side is equipped with the drawing liquid pipe, the drawing liquid pipe other end is equipped with the liquid medicine case, liquid medicine case top is equipped with the case lid, and the liquid medicine case cooperation is used for preventing the liquid medicine, and the case lid is used for preventing that the foreign matter from getting into the liquid medicine incasement, and drawing liquid pump cooperation drawing liquid pipe is used for taking out liquid medicine incasement liquid medicine, and cooperation transfer line and bellows send into the spray tube with the liquid medicine in, and the bellows is convenient for the spray tube rotate.
Preferably, the liquid medicine tank bottom is equipped with the bottom plate, be equipped with two sets of first support frames and second support frame on the bottom plate, two sets of first support frame top is connected with photovoltaic panel, the photovoltaic panel other end is connected with second support frame top, and the bottom plate is used for supporting equipment, and first support frame and second support frame are used for the erection bracing photovoltaic panel.
Preferably, two groups of clamping grooves are formed in one side of the first support frame, two groups of positioning holes are formed in the clamping grooves, the two groups of positioning holes are symmetrically distributed about the central axis of the clamping grooves, the clamping grooves are used for clamping blocks, and the positioning holes are used for fixing positioning blocks.
Preferably, two groups of mounting plates are provided with clamping blocks on one side, one ends of the clamping blocks extend into the clamping grooves, two groups of third circular through holes are formed in the clamping blocks, the two groups of third circular through holes are mutually aligned with the positioning holes, the mounting plates are fixed on the first support frame by the clamping blocks in a matched mode, and the third circular through holes are used for mounting.
Preferably, two groups of second springs are arranged in the third circular through holes, positioning blocks are arranged at the other ends of the two groups of second springs, the positioning blocks are matched with the positioning holes, one end of each positioning block is fixed in each positioning hole by the second springs, the clamping blocks are fixed in the clamping grooves, and the mounting plates are fixed on the first support frame.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, when the angle is required to be adjusted, one end of the fixed rod is pulled out from the fixed hole through the handle, the rotating handle is used for driving the turntable to rotate, the turntable drives the transmission shaft to rotate, the transmission shaft is matched with the bearing to drive the spray pipe to rotate, the spray pipe drives the spray heads to rotate, after the spray heads are adjusted to a proper angle, the handle is loosened, the first spring applies extrusion force to be matched with the handle to fix one end of the fixed rod in the fixed hole, so that the position of the turntable is fixed, the position of the spray heads is fixed, and finally, the angle adjustment is completed, so that the device can adjust the spraying angle of cleaning liquid, cleaning of the photovoltaic panel is facilitated, and normal use of the photovoltaic panel is ensured.
According to the utility model, when the spray pipe is required to be maintained, the positioning block is pressed into the third circular through hole, the clamping block is pulled out from the clamping groove, and the two groups of mounting plates can be taken down to maintain the spray pipe, so that the equipment is convenient to maintain, and the spray pipe is convenient for operators to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a water-borne photovoltaic panel cleaning structure with an angle adjusting function;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 3;
FIG. 5 is a schematic side view of a water-borne photovoltaic panel cleaning structure with angle adjustment according to the present utility model;
FIG. 6 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 5;
Fig. 7 is a schematic view of a partially enlarged structure of fig. 5C according to the present utility model.
In the figure: 1. a bottom plate; 2. a first support frame; 3. a second support frame; 4. a photovoltaic panel; 5. a liquid medicine tank; 6. a liquid suction pipe; 7. a liquid pump; 8. an infusion tube; 9. a bellows; 10. a spray tube; 11. a spray head; 12. a mounting plate; 13. a mounting groove; 14. a bearing; 15. a transmission shaft; 16. a turntable; 17. a rotating handle; 18. a fixing hole; 19. a fixed rod; 20. a first spring; 21. a handle; 22. a case cover; 23. a clamping groove; 24. a clamping block; 25. positioning holes; 26. a positioning block; 27. and a second spring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 7, the water photovoltaic panel cleaning structure with an angle adjusting function of the present utility model includes two sets of mounting plates 12 for supporting, wherein two sets of mounting plates 12 are provided with adjusting components, the mounting plates 12 are used for mounting the supporting components, and the adjusting components are used for adjusting the spraying angle of the spraying heads 11;
The adjusting component comprises a mounting groove 13, a bearing 14, a transmission shaft 15, a rotary table 16, a rotary handle 17, a fixing hole 18, a fixing rod 19, a first spring 20 and a handle 21, wherein the mounting groove 13 is formed on one side of one group of mounting plates 12, the bearing 14 is arranged in the mounting groove 13, the other group of two groups of mounting plates 12 is provided with a first circular through hole, the transmission shaft 15 is arranged in the first circular through hole, the rotary table 16 is arranged at one end of the transmission shaft 15, the rotary handle 17 is arranged at the other side of the rotary table 16, the fixing hole 18 is formed on one side of one group of mounting plates 12, the fixing holes 18 are distributed in an equidistant array, the rotary table 16 is provided with a second circular through hole, the fixing rod 19 is arranged in the second circular through hole, one end of the fixing rod 19 extends into the fixing hole 18, the handle 21 is arranged at the other end of the fixing rod 19, one end of the first spring 20 is connected with one side of the handle 21, the other end of the first spring 20 is connected with one side of the rotary table 16, the rotary table 17 is used for rotating the rotary table 16, the rotary table 16 is used for driving the transmission shaft 15 to rotate, the mounting groove 13 is used for installing the bearing 14, the bearing 14 is used for rotating the bearing 10, the rotary table 10 is convenient for rotating the handle 10, the rotary table 10 is used for the rotary handle 21, the 19 is used for the rotary handle 21, the spring is used for 20 is used for the drawing the spring, the spring is used for the handle 20, the spring is 20 is fixed, and the position is used for the fixing the handle is and is fixed, and the position is the handle is used for the rotary handle, and is 20 is fixed.
Be equipped with sprinkler tube 10 in the bearing 14, sprinkler tube 10 other end is connected with transmission shaft 15 one end, and sprinkler tube 10 one side is equipped with a plurality of sprinkler heads 11, and a plurality of sprinkler heads 11 equidistant array distributes, and sprinkler tube 10 cooperation a plurality of sprinkler heads 11 are used for spouting the cleaning solution to photovoltaic panel 4 surface, and transmission shaft 15 cooperation bearing 14 drives sprinkler tube 10 simultaneously and rotates.
The connector has been seted up to spray tube 10 one side, connector department is connected with bellows 9, bellows 9 one end is equipped with transfer line 8, the transfer line 8 other end is connected with drawing liquid pump 7, drawing liquid pump 7 opposite side is equipped with drawing liquid pipe 6, the drawing liquid pipe 6 other end is equipped with liquid medicine case 5, liquid medicine case 5 top is equipped with case lid 22, liquid medicine case 5 cooperation is used for preventing the liquid medicine, case lid 22 is used for preventing that the foreign matter from getting into liquid medicine case 5, drawing liquid pump 7 cooperation drawing liquid pipe 6 is used for taking out liquid medicine in the liquid medicine case 5, cooperation transfer line 8 and bellows 9 send into spray tube 10 with the liquid medicine in, bellows 9 are convenient for spray tube 10 rotate.
The liquid medicine case 5 bottom is equipped with bottom plate 1, is equipped with two sets of first support frames 2 and second support frame 3 on the bottom plate 1, and two sets of first support frame 2 tops are connected with photovoltaic panel 4, and photovoltaic panel 4 other end is connected with second support frame 3 tops, and bottom plate 1 is used for supporting equipment, and first support frame 2 and second support frame 3 are used for the erection bracing photovoltaic panel 4.
Example 2
This embodiment is an improvement over embodiment 1, and in particular, with reference to figures 3-4,
Two groups of first support frames 2 have all been seted up draw-in groove 23 one side, have seted up two sets of locating holes 25 on the draw-in groove 23, and two sets of locating holes 25 are about draw-in groove 23 axis symmetric distribution, and draw-in groove 23 is used for joint fixture block 24, and locating hole 25 is used for fixed locating piece 26.
Two sets of mounting panel 12 one side all is equipped with fixture block 24, and fixture block 24 one end extends to in the draw-in groove 23, has seted up two sets of third circular through-holes on two sets of fixture blocks 24, and two sets of third circular through-holes are aligned each other with locating hole 25 position, and fixture block 24 cooperation draw-in groove 23 is fixed mounting panel 12 on first support frame 2, and the third circular through-hole is used for the installation.
The two groups of third round through holes are internally provided with second springs 27, the other ends of the two groups of second springs 27 are provided with positioning blocks 26, the positioning blocks 26 are matched with the positioning holes 25, one end of each positioning block 26 is fixed in each positioning hole 25 by the corresponding second spring 27, the clamping blocks 24 are fixed in the clamping grooves 23, and the mounting plate 12 is fixed on the first support frame 2.
The working principle of the utility model is as follows: when the angle needs to be adjusted, one end of the fixing rod 19 is pulled out of the fixing hole 18 through the handle 21, the turntable 16 is driven to rotate through the rotating handle 17, the turntable 16 drives the transmission shaft 15 to rotate, the transmission shaft 15 is matched with the bearing 14 to drive the spray pipe 10 to rotate, the spray pipe 10 drives the spray heads 11 to rotate, after the spray heads 11 are adjusted to a proper angle, the handle 21 is loosened, the first spring 20 applies extrusion force to be matched with the handle 21 to fix one end of the fixing rod 19 in the fixing hole 18, the position of the turntable 16 is fixed, the position of the spray heads 11 is fixed, finally, the angle adjustment is completed, when the spray pipe 10 needs to be maintained, the positioning block 26 is pressed into the third circular through hole, the clamping block 24 is pulled out of the clamping groove 23, and the two groups of mounting plates 12 can be taken down to maintain the spray pipe 10.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a photovoltaic panel washs structure on water with angle modulation function, includes mounting panel (12) that are used for supporting, its characterized in that: the mounting plates (12) are provided with two groups, and the two groups of mounting plates (12) are provided with adjusting components;
The utility model provides an adjusting part, including mounting groove (13), bearing (14), transmission shaft (15), carousel (16), commentaries on classics handle (17), dead lever (19), first spring (20), handle (21), mounting groove (13) are seted up in a set of mounting panel (12) one side, bearing (14) set up in mounting groove (13), two sets of first circular through-hole has been seted up to mounting panel (12) another group, transmission shaft (15) set up in first circular through-hole, carousel (16) set up in transmission shaft (15) one end, commentaries on classics handle (17) set up in carousel (16) opposite side, dead lever (18) are seted up in a set of mounting panel (12) one side, dead lever (18) are equipped with a plurality of, a plurality of equidistant array of dead lever (18) distributes, set up the circular through-hole of second on carousel (16), dead lever (19) set up in the circular through-hole of second, dead lever (19) one end extends to in dead lever (18), dead lever (21) set up in first circular through-hole, the handle (21) other end (20) are connected with one side of the handle (20).
2. The water photovoltaic panel cleaning structure with angle adjusting function according to claim 1, wherein: be equipped with sprinkler tube (10) in bearing (14), sprinkler tube (10) other end is connected with transmission shaft (15) one end, sprinkler tube (10) one side is equipped with a plurality of sprinkler heads (11), a plurality of sprinkler heads (11) equidistant array distributes.
3. The water photovoltaic panel cleaning structure with angle adjusting function according to claim 2, wherein: the utility model discloses a liquid medicine box, including shower, bellows, connecting port department has been seted up to shower (10) one side, connecting port department is connected with bellows (9), bellows (9) one end is equipped with transfer line (8), the transfer line (8) other end is connected with drawing liquid pump (7), drawing liquid pump (7) opposite side is equipped with drawing liquid pipe (6), drawing liquid pipe (6) other end is equipped with liquid medicine box (5), liquid medicine box (5) top is equipped with case lid (22).
4. A water photovoltaic panel cleaning structure with angle adjusting function according to claim 3, characterized in that: the liquid medicine case (5) bottom is equipped with bottom plate (1), be equipped with two sets of first support frame (2) and second support frame (3) on bottom plate (1), two sets of first support frame (2) top is connected with photovoltaic panel (4), photovoltaic panel (4) other end is connected with second support frame (3) top.
5. The water photovoltaic panel cleaning structure with angle adjusting function according to claim 4, wherein: two groups of clamping grooves (23) are formed in one side of the first support frame (2), two groups of positioning holes (25) are formed in the clamping grooves (23), and the two groups of positioning holes (25) are symmetrically distributed about the central axis of the clamping grooves (23).
6. The water photovoltaic panel cleaning structure with angle adjusting function according to claim 5, wherein: two sets of mounting panel (12) one side all is equipped with fixture block (24), fixture block (24) one end extends to in draw-in groove (23), two sets of the circular through-hole of two sets of third have been seted up on fixture block (24), and two sets of circular through-holes of third are aligned with locating hole (25) position each other.
7. The water photovoltaic panel cleaning structure with angle adjusting function according to claim 6, wherein: the two groups of third round through holes are internally provided with second springs (27), the other ends of the two groups of second springs (27) are provided with positioning blocks (26), and the positioning blocks (26) are matched with the positioning holes (25).
CN202323030679.2U 2023-11-09 2023-11-09 Waterborne photovoltaic panel cleaning structure with angle adjusting function Active CN220935130U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323030679.2U CN220935130U (en) 2023-11-09 2023-11-09 Waterborne photovoltaic panel cleaning structure with angle adjusting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323030679.2U CN220935130U (en) 2023-11-09 2023-11-09 Waterborne photovoltaic panel cleaning structure with angle adjusting function

Publications (1)

Publication Number Publication Date
CN220935130U true CN220935130U (en) 2024-05-10

Family

ID=90935686

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323030679.2U Active CN220935130U (en) 2023-11-09 2023-11-09 Waterborne photovoltaic panel cleaning structure with angle adjusting function

Country Status (1)

Country Link
CN (1) CN220935130U (en)

Similar Documents

Publication Publication Date Title
CN111701896A (en) Cleaning device for electric power generation energy storage equipment and use method thereof
CN115149887A (en) Water surface floating type photovoltaic power generation device
CN113731884A (en) Self-cleaning solar photovoltaic panel for power generation
CN220935130U (en) Waterborne photovoltaic panel cleaning structure with angle adjusting function
CN112838824B (en) Adjustable automatic cleaning device for photovoltaic power generation panel and using method
CN219960515U (en) Photovoltaic solar panel assembly with cleaning function
CN218734084U (en) Arc guide rail type solar tracking support
CN113037184B (en) Solar cell panel device based on angle modulation and clean function
CN214890338U (en) Hydraulic engineering dam intelligent management device
CN213558569U (en) Cleaning device for electric power generation energy storage equipment
CN213693551U (en) Support for photovoltaic equipment of color steel tile roof
CN113922742A (en) Solar energy distributing type power station
CN219780094U (en) Multifunctional photovoltaic power station cleaning device
CN213072526U (en) Solar photovoltaic support frame of adjustable matrix
CN220775731U (en) Adjustable distributed roof photovoltaic power station
CN220156474U (en) Photovoltaic panel protection device
CN220457362U (en) Photovoltaic support capable of being cleaned
CN212210936U (en) Solar energy engineering is with solar panel that has clean structure
CN217979327U (en) Lap joint type photovoltaic solar power generation panel
CN214506956U (en) Distributed photovoltaic power generation equipment based on light pole supports
CN216531210U (en) Outdoor photovoltaic power generation subassembly cleaning device
CN216397455U (en) Cleaning device for operation and maintenance of solar photovoltaic power station
CN219322349U (en) Solar panel cleaning device for photovoltaic power generation
CN219287452U (en) Cleaning assembly and solar photovoltaic device
CN219780040U (en) Roofing photovoltaic support fixed knot constructs

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant