CN212681798U

CN212681798U - Solar photovoltaic board cleaning device

Info

Publication number: CN212681798U
Application number: CN202021166984.8U
Authority: CN
Inventors: 边旭; 李涛; 周颖彬; 孟凡麟
Original assignee: State Grid Corp of China SGCC; Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-12
Anticipated expiration: 2030-06-22

Abstract

The application provides a solar photovoltaic panel cleaning device, which is used for cleaning a solar photovoltaic panel and comprises a driving mechanism and a cleaning mechanism; the cleaning mechanism comprises a connecting frame; two ends of the connecting frame are symmetrically hinged with connecting long rods; one end of the long connecting rod, which is far away from the connecting frame, is hinged with a scraping blade; one end of the scraping piece close to the long connecting rod is hinged to the solar photovoltaic panel; the driving mechanism comprises a motor, a worm wheel, a worm and a driving rod; an output shaft of the motor is connected with one end of the worm; the worm is in meshed transmission with the worm wheel; a connecting short rod is eccentrically arranged on the worm wheel; one end of the driving rod is hinged with the connecting short rod, and the other end of the driving rod is hinged with the connecting frame. The solar photovoltaic panel cleaning device is simple in structure, easy to operate, free of damage to the solar photovoltaic panel, high in safety coefficient, capable of greatly saving labor cost and cleaning cost and high in cleaning efficiency.

Description

Solar photovoltaic board cleaning device

Technical Field

The application relates to the technical field of solar photovoltaic panel cleaning, in particular to a solar photovoltaic panel cleaning device.

Background

Dust has great influence on solar photovoltaic power generation, and according to knowledge, the solar cell panel in China is polluted by dust and the like to cause the reduction of the power generation efficiency and great loss. In order to ensure normal power generation, the solar photovoltaic panel needs to be cleaned regularly. At present, two traditional cleaning modes are mainly adopted, namely manual washing and industrial washing. The manual washing is mainly to clean by manually using a cleaning tool like a mop. And (4) industrial cleaning, wherein cleaning is generally carried out between rows of photovoltaic panels by a cleaning vehicle.

The manual washing cleaning efficiency is low, the safety coefficient is low, and workers are easy to cause hidden cracks due to trampling on the solar photovoltaic panel in the cleaning process. Industrial water washing requires space on site installation and is expensive to clean, at least several million yuan per 10MW station per normal design criteria.

Therefore, it is necessary to research a solar photovoltaic panel cleaning device with simple structure, high cleaning efficiency, high safety factor and low cleaning cost.

Disclosure of Invention

The utility model aims at above problem, provide a solar photovoltaic board cleaning device.

The application provides a solar photovoltaic panel cleaning device, which is used for cleaning a solar photovoltaic panel and comprises a driving mechanism and a cleaning mechanism;

the cleaning mechanism comprises a connecting frame; two ends of the connecting frame are symmetrically hinged with connecting long rods; one end of the long connecting rod, which is far away from the connecting frame, is hinged with a scraping blade; one end of the scraping piece close to the long connecting rod is hinged to the solar photovoltaic panel;

the driving mechanism comprises a motor, a worm wheel, a worm and a driving rod; an output shaft of the motor is connected with one end of the worm; the worm is in meshed transmission with the worm wheel; a connecting short rod is eccentrically arranged on the worm wheel; one end of the driving rod is hinged with the connecting short rod, and the other end of the driving rod is hinged with the connecting frame.

According to the technical scheme provided by some embodiments of the application, two limit switches are arranged on the rim of the worm wheel at intervals; the limit switch is electrically connected with the controller; the controller is configured to receive a signal of the limit switch and control the motor to rotate forward or backward according to the signal.

According to the technical scheme provided by some embodiments of the present application, the connecting frame is in the shape of an isosceles triangle; the driving rod is hinged at the top corner of the connecting frame; the two long connecting rods are respectively hinged at two bottom corners of the connecting frame.

According to the technical scheme provided by some embodiments of the application, a first spray header is arranged above the solar photovoltaic panel; the first spray header is provided with a plurality of first spray heads facing the solar photovoltaic panel.

According to an aspect provided by certain embodiments of the present application, the wiper blade includes a substrate; the substrate is of a hollow structure, and a second spray header is arranged in the substrate; a plurality of second spray heads are arranged on the second spray header; scraping plates are respectively arranged on two sides of the lower surface of the substrate; a groove is formed between the two scraping plates; a through hole corresponding to the second spray head is formed at the bottom of the groove; the second spray head penetrates through the through hole and extends into the groove.

Compared with the prior art, the beneficial effect of this application: when the solar photovoltaic panel cleaning device is used, the motor rotates forwards or backwards to drive the worm to rotate correspondingly, so that the worm wheel meshed with the worm rotates correspondingly, the driving rod is eccentrically arranged, the driving rod can drive the connecting frame to be gradually close to the solar photovoltaic panel or to be gradually far away from the solar photovoltaic panel to move in the process of rotating the worm wheel, and then the two scraping blades correspondingly rotate to clean the surface of the solar photovoltaic panel. The solar photovoltaic panel cleaning device is simple in structure, easy to operate, free of damage to the solar photovoltaic panel, high in safety coefficient, capable of greatly saving labor cost and cleaning cost and high in cleaning efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a solar photovoltaic panel cleaning device provided in embodiment 1 of the present application;

fig. 2 is a schematic structural diagram of a blade of a solar photovoltaic panel cleaning device provided in embodiment 2 of the present application;

fig. 3 is a schematic bottom view of a wiper blade of a solar photovoltaic panel cleaning device according to embodiment 2 of the present application.

The text labels in the figures are represented as:

1. a solar photovoltaic panel; 2. a connecting frame; 3. connecting a long rod; 4. scraping a blade; 5. a motor; 6. a worm gear; 7. a worm; 8. a drive rod; 9. a limit switch; 10. a first spray header; 11. a first nozzle; 12. a substrate; 13. a second spray header; 14. a second nozzle; 15. scraping the plate; 16. and (4) a groove.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Example 1

Referring to fig. 1, the present embodiment provides a solar photovoltaic panel cleaning device, which is used for cleaning a solar photovoltaic panel 1, and includes a driving mechanism and a cleaning mechanism; the cleaning mechanism comprises a connecting frame 2; two ends of the connecting frame 2 are symmetrically hinged with connecting long rods 3; one end of the long connecting rod 3, which is far away from the connecting frame 2, is hinged with a scraping blade 4; one end of the scraping piece 4 close to the long connecting rod 3 is hinged to the solar photovoltaic panel 1; in this embodiment, the solar photovoltaic panel 1 is rectangular, and the two scraping blades 4 are respectively hinged to two ends of one diagonal line of the solar photovoltaic panel 1; the driving mechanism comprises a motor 5, a worm wheel 6, a worm 7 and a driving rod 8; an output shaft of the motor 5 is connected with one end of the worm 7; the worm 7 is in meshed transmission with the worm wheel 6; a connecting short rod (not shown) is eccentrically arranged on the worm wheel 6; one end of the driving rod 8 is hinged with the connecting short rod, and the other end of the driving rod is hinged with the connecting frame 2.

Preferably, two limit switches 9 are arranged on the rim of the worm wheel 6 at intervals; the limit switch 9 is fixedly connected with the rim of the worm wheel 6, specifically, but not limited to, fixedly connected through a bolt; the limit switch 9 is electrically connected with a controller (not shown); the controller is configured to receive the signal of the limit switch 9 and control the motor 5 to rotate forward or backward according to the signal. For example, when any one of the limit switches 9 on the worm wheel 6 hits the worm 7 during the forward rotation of the motor 5, the limit switch 9 sends a signal to the controller, and the controller controls the motor 5 to rotate in the reverse direction.

Preferably, the connecting frame 2 is in an isosceles triangle shape; the driving rod 8 is hinged at the top corner of the connecting frame 2; the two long connecting rods 3 are respectively hinged at two bottom corners of the connecting frame 2.

Preferably, a first spray header 10 is arranged above the solar photovoltaic panel 1; the first shower pipe 10 is connected to a first water pump (not shown) to supply water; the first spray header 10 is provided with a plurality of first nozzles 11 facing the solar photovoltaic panel 1.

When the solar photovoltaic panel cleaning device provided by the embodiment is used, the motor 5 operates in a forward rotation or reverse rotation mode to drive the worm 7 to rotate, so that the worm wheel 6 meshed with the worm rotates correspondingly, the driving rod 8 is arranged eccentrically, in the rotating process of the worm wheel 6, the driving rod 8 can drive the connecting frame 3 to gradually approach the solar photovoltaic panel 1 or gradually move away from the solar photovoltaic panel 1, and then the two scraping blades 4 correspondingly rotate to clean the surface of the solar photovoltaic panel 1; the first spray head 11 on the first spray header 10 is used for spraying water to assist cleaning, and the cleaning effect is good.

The solar photovoltaic panel cleaning device is simple in structure, easy to operate, free of damage to the solar photovoltaic panel, high in safety coefficient, capable of greatly saving labor cost and cleaning cost and high in cleaning efficiency.

Example 2

Referring to fig. 2 and fig. 3, another solar photovoltaic panel cleaning apparatus is provided in the present embodiment, and the same parts in the present embodiment as those in embodiment 1 are not repeated, except that: in the embodiment 1, a first spray header 10 is arranged above the solar photovoltaic panel 1; the first shower pipe 10 is connected to a water pump (not shown) to supply water; the first spray header 10 is provided with a plurality of first nozzles 11 facing the solar photovoltaic panel 1. In the present embodiment, the blade 4 includes a base plate 12; the substrate 12 is a hollow structure, and a second spray header 13 is arranged in the substrate; the second shower pipe 13 is connected to an external second water pump (not shown) to supply water; a plurality of second nozzles 14 are arranged on the second spray header 13; scraping plates 15 are respectively arranged on two sides of the lower surface of the base plate 12; a groove 16 is formed between the two scraping plates 15; a through hole corresponding to the second spray head 14 is formed at the bottom of the groove 16; the second nozzle 14 extends through the through hole into the recess 16.

When the solar photovoltaic panel cleaning device provided by the embodiment is used, the motor 5 operates in a forward rotation or reverse rotation mode to drive the worm 7 to rotate, so that the worm wheel 6 meshed with the worm rotates correspondingly, the driving rod 8 is arranged eccentrically, in the rotating process of the worm wheel 6, the driving rod 8 can drive the connecting frame 3 to gradually approach the solar photovoltaic panel 1 or gradually move away from the solar photovoltaic panel 1, and then the two scraping blades 4 correspondingly rotate to clean the surface of the solar photovoltaic panel 1; and the second spray head 14 on the second spray water pipe 13 is used for spraying water to assist in cleaning, so that the cleaning effect is good.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. A solar photovoltaic panel cleaning device is used for cleaning a solar photovoltaic panel (1) and is characterized by comprising a driving mechanism and a cleaning mechanism;

the cleaning mechanism comprises a connecting frame (2); two ends of the connecting frame (2) are symmetrically hinged with connecting long rods (3); one end of the long connecting rod (3) far away from the connecting frame (2) is hinged with a scraping blade (4); one end of the scraping blade (4) close to the long connecting rod (3) is hinged to the solar photovoltaic panel (1);

the driving mechanism comprises a motor (5), a worm wheel (6), a worm (7) and a driving rod (8); an output shaft of the motor (5) is connected with one end of the worm (7); the worm (7) is in meshed transmission with the worm wheel (6); a connecting short rod is eccentrically arranged on the worm wheel (6); one end of the driving rod (8) is hinged with the connecting short rod, and the other end of the driving rod is hinged with the connecting frame (2).

2. The solar photovoltaic panel cleaning device according to claim 1, wherein two limit switches (9) are arranged on the rim of the worm wheel (6) at intervals; the limit switch (9) is electrically connected with the controller; the controller is configured to receive a signal of the limit switch (9) and control the motor (5) to rotate forwards or backwards according to the signal.

3. The solar photovoltaic panel cleaning device according to claim 1, characterized in that said connecting frame (2) is in the shape of an isosceles triangle; the driving rod (8) is hinged at the top corner of the connecting frame (2); the two long connecting rods (3) are respectively hinged at two bottom corners of the connecting frame (2).

4. The solar photovoltaic panel cleaning device according to claim 1, wherein a first spray header (10) is arranged above the solar photovoltaic panel (1); the first spray header (10) is provided with a plurality of first spray heads (11) facing the solar photovoltaic panel (1).

5. The solar photovoltaic panel cleaning device according to claim 1, characterized in that said doctor blade (4) comprises a base plate (12); the substrate (12) is of a hollow structure, and a second spray header (13) is arranged in the substrate; a plurality of second spray heads (14) are arranged on the second spray header (13); scraping plates (15) are respectively arranged on two sides of the lower surface of the base plate (12); a groove (16) is formed between the two scraping plates (15); a through hole corresponding to the second spray head (14) is formed at the bottom of the groove (16); the second spray head (14) penetrates through the through hole and extends into the groove (16).