CN216774706U

CN216774706U - Photovoltaic module sprays belt cleaning device

Info

Publication number: CN216774706U
Application number: CN202123003540.XU
Authority: CN
Inventors: 杨建城; 朱雅文; 唐奔; 何国进
Original assignee: Jiangsu Sumida Electric Power Operation Co ltd
Current assignee: Jiangsu Sumida Electric Power Operation Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-17
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a photovoltaic module spraying and cleaning device, which belongs to the technical field of photovoltaic power generation and comprises a support plate and a spraying mechanism hinged with the support plate, wherein the spraying mechanism comprises a spraying pipe, a spraying head is arranged at one end, far away from the hinged position, of the spraying pipe, and a water tank is arranged at one end, close to the hinged position, of the spraying pipe. The spraying cleaning device is simple in structure and can achieve a better cleaning effect; and can guarantee that belt cleaning device is when operating condition, and the shower head is higher than photovoltaic module, and when belt cleaning device stop work, the shower head is less than photovoltaic module. The spraying system works at noon or night, the spray header can not shield the photovoltaic module, and the spraying system can play a role in cooling the module during noon work, so that the generating capacity of the photovoltaic module can be further improved. The cleaning device does not need to use power equipment such as a driving motor, and the movement of the spray header is controlled by gravity, so that the cleaning device is beneficial to saving energy, reducing cost and being suitable for popularization and application.

Description

Photovoltaic module sprays belt cleaning device

Technical Field

The utility model belongs to the technical field of photovoltaic power generation, and particularly relates to a photovoltaic module spraying and cleaning device.

Background

Because the photovoltaic module is placed outdoors all the year round, dirt such as dust is accumulated on the surface of the photovoltaic module, the light transmittance of glass of the photovoltaic module is reduced, and the output performance of a battery piece is reduced. The more dust on the surface of the photovoltaic module, the poorer the light transmittance of the photovoltaic module, and the lower the radiation amount absorbed by the panel, which finally results in the reduction of the photovoltaic power generation capacity. The existing research results show that the accumulated dust can obviously reduce the generating capacity of the photovoltaic module, and the loss of the generating capacity can reach more than 15%. Therefore, in order to ensure the power generating capability of the photovoltaic module, it becomes important to occasionally clean the surface of the photovoltaic module.

The current photovoltaic module cleaning modes mainly comprise the following three modes;

1. manual cleaning: the most common method at present is to firstly flush by water sprayed by a water pipe and then clean by rags, mops and the like, but the method has the advantages of general cleaning effect, low efficiency, high labor intensity of workers and high water consumption.

2. Cleaning with a handheld device: for example, chinese patent CN206882227U discloses a semi-automatic cleaning device for photovoltaic panels, which comprises a driving motor, a cleaning roller brush, a spray header, and a hand-held rod; the driving motor drives the cleaning rolling brush to roll on the surface of the photovoltaic panel; the cleaning purpose is achieved by the rolling of the cleaning rolling brush and the spraying of the spraying head; utilize the gyro wheel to realize the removal of belt cleaning device on the photovoltaic board, the handheld pole of workman's gripping removes belt cleaning device, can realize saving the cost of labor to the semi-automatic cleaning of photovoltaic board, improves the cleaning performance. But this belt cleaning device has increased extra driving motor, leads to the system complicacy and has the potential safety hazard, and the water intaking is inconvenient, is unfavorable for actual popularization and application.

3. Using a cleaning vehicle: the cleaning of photovoltaic module is realized to the special washing car of manual operation, and this kind of washing mode cleaning efficiency is high, but receives place environmental impact great, and equipment probably makes photovoltaic module atress inequality cause the damage in the motion process, and the technical merit to operating personnel requires very much.

4. The automatic cleaning mode is as follows: the crawling cleaning equipment is placed on the photovoltaic module, but due to high cost, the application of the dust removal cleaning mode is not popularized yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a photovoltaic module spraying and cleaning device, which solves the problems of poor cleaning effect and complex system of the photovoltaic module cleaning device in the prior art. The cleaning device is simple in structure, and can ensure that the spray head is higher than the photovoltaic module when the cleaning device works and is lower than the photovoltaic module when the cleaning device stops working. Avoid the shower head to lead to the fact and shelter from photovoltaic module, influence the power station generated energy.

In order to achieve the purpose, the method is specifically realized by the following technologies:

the utility model provides a photovoltaic module sprays belt cleaning device, include the backup pad, with the backup pad rotates the fixed establishment of connection and leans on the fixed shower of fixed establishment, the one end that the rotational position was kept away from to the shower is equipped with the shower head, and the one end that is close to the rotational position is equipped with the water tank.

According to the photovoltaic module spraying and cleaning device, the spraying pipe is hinged with the supporting plate through the fixing mechanism, the spraying pipe can rotate around the hinged position, a spraying head is arranged at one end, far away from the hinged position, of the spraying pipe, and a water tank is arranged at one end, close to the hinged position, of the spraying pipe; after the water tank is filled with water, the whole spray pipe can be slowly erected under the action of water gravity, and a spray head at the end part of the spray pipe can rotate for 360 degrees under the action of water pressure to flush surrounding photovoltaic modules; after the water in the water tank is discharged, the spray pipe can slowly lie down under the self-action of the spray pipe and the spray head. The spraying head is higher than the photovoltaic module when the cleaning device works, and is lower than the photovoltaic module when the cleaning device stops working; and the power generation capacity of the photovoltaic module is improved.

Preferably, the fixing mechanism is a clamping plate, the spraying pipe is fixed through the two clamping plates, and the clamping plates are hinged to the supporting plate.

Preferably, the two clamping plates are fixedly connected through bolts.

Preferably, the supporting plate and the clamping plate are provided with holes at corresponding positions, and the clamping plate is hinged with the supporting plate through a pin shaft.

Preferably, the top of the supporting plate is provided with a limiting block for limiting the position of the spray pipe. The limiting block is used for preventing the spray pipe from being completely vertical, and preventing the spray pipe from being incapable of lying down after water in the water tank is discharged after the spray pipe is vertical.

Preferably, the water tank is provided with a water delivery pipe.

Preferably, still include the mounting panel, the one end of mounting panel with backup pad fixed connection, the other end and photovoltaic support fixed connection. And fixing the cleaning device on the photovoltaic support through the mounting plate.

Compared with the prior art, the utility model has the advantages that:

the spraying cleaning device is simple in structure, can achieve a better cleaning effect, cannot shield the photovoltaic module, and can improve the generating capacity of the photovoltaic module. The vertical and horizontal states of the spray pipe are realized through the change of the water quantity in the water tank; after the water tank is filled with water, the whole spray pipe can be slowly erected under the action of water gravity, and a spray head at the end part of the spray pipe can rotate for 360 degrees under the action of water pressure to flush surrounding photovoltaic modules; after the water in the water tank is discharged, the spray pipe can slowly lie down under the self-action of the spray pipe and the spray head. Can guarantee that belt cleaning device is at the during operation, the shower head is higher than photovoltaic module, and when belt cleaning device stop work, the shower head is less than photovoltaic module, avoids the shower head to form to shelter from photovoltaic module.

Drawings

FIG. 1 is a schematic structural view of a cleaning apparatus according to embodiment 1;

FIG. 2 is a schematic structural diagram of the right side view of FIG. 1;

FIG. 3 is a schematic structural view of the cleaning apparatus according to embodiment 1 in an operating state;

FIG. 4 is a schematic structural view of a cleaning apparatus for carrying out the process of FIG. 2;

fig. 5 is a schematic structural view of a right side view of fig. 4.

Wherein: 1. a water delivery pipe; 2. a water tank; 3. a support plate; 4. a limiting block; 5. a shower pipe; 6. a shower head; 7. a splint; 8. a pin shaft; 9. mounting a plate; 10. a second limiting block; 11. and (4) connecting the blocks.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below, and it should be apparent 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings only for the convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention is further illustrated by the following examples, which are not to be construed as limiting the utility model.

Example 1

The embodiment provides a photovoltaic module spraying and cleaning device, as shown in fig. 1, which comprises a support plate 3, a fixing mechanism hinged with the support plate 3 and a spraying pipe 5 fixed by the fixing mechanism, wherein the fixing mechanism is two clamping plates 7 parallel to each other, the clamping plates 7 are in the shape of horizontal parts at two ends and a curved surface part in the middle, the spraying pipe 5 is clamped by the two clamping plates 7, the spraying pipe 5 is clamped and fixed by the curved surface parts of the two clamping plates 7, through holes are arranged at corresponding positions of the horizontal parts of the two clamping plates 7, and the two clamping plates 7 are fixedly connected by bolts; as shown in fig. 2, the support plate 3 is two parallel plates connected together, the horizontal portion of the clamping plate 7 is placed between the two parallel plates of the support plate 3, holes are formed in the horizontal portion of the clamping plate 7 and the corresponding positions of the support plate 3, and the support plate 3 is connected with the horizontal portion of the clamping plate 7 through a pin 8. The upper end of the supporting plate 3 is provided with a limiting block 4 for limiting the position of the spraying pipe 5. A spray head 6 is arranged at one end of the spray pipe 5 far away from the pin shaft 8, and a water tank 2 is arranged at one end close to the pin shaft 8; the water tank 2 is cylindrical, and the spray pipe 5 is arranged on the circular surface of the water tank 2; the water tank 2 is connected with a water delivery pipe 1, the water delivery pipe 1 is installed at the lower end of the water tank 2, and the water delivery pipe 1 is connected with a water pump.

The spray cleaning device of the embodiment further comprises a mounting plate 9, one end of the mounting plate 9 is fixedly connected with the supporting plate 3, and the other end of the mounting plate is fixedly connected with the photovoltaic support. The cleaning device is fixed on the photovoltaic support through the mounting plate 9.

The photovoltaic module of this embodiment sprays belt cleaning device's working process as follows:

when the cleaning device enters a cleaning working state, the water pump is started, the water tank 2 is filled with water, the water tank 2 moves downwards under the action of gravity of water in the water tank 2, the whole spray pipe 5 can be slowly erected, and the spray head 6 moves from a low position to a high position, as shown in fig. 3, until the spray pipe 5 contacts with the limiting block 4. Then the spray header 6 can rotate 360 degrees under the action of water pressure to flush the surrounding photovoltaic modules. The height requirement of the spray header 6 is higher than that of the photovoltaic module by 3-5 m, so that the falling speed of water drops can be ensured to wash away dust and other pollutants on the surface of the photovoltaic module. After the cleaning device works, the water pump is closed, water in the water tank 2 can be slowly discharged, the spray pipe 5 can be slowly laid down under the action of the self gravity of the spray pipe 5 until the spray pipe 5 contacts with the second limiting block 10, and the spray pipe 5 is completely reset, as shown in fig. 1. The purpose of the limiting block 4 is to prevent the spray pipe 5 from being completely vertical, and even if water in the water tank 2 is discharged after the spray pipe 5 is completely vertical, the spray pipe 5 cannot be reset by the self gravity of the spray pipe 5. In the technical scheme of this embodiment, the reciprocating of shower head 6 mainly is through belt cleaning device's self gravity drive, compares in driving motor, and the structure of totality is simpler, and more energy-conserving.

Example 2

The difference between the embodiment 2 and the embodiment 1 is that, as shown in fig. 4 and 5, the support plate 3 of the embodiment is a cuboid, and the lower end of the cuboid is provided with a groove; the upper side and the lower side of the spray pipe 5 are clamped by the two clamping plates 7, the two clamping plates 7 are fixedly connected through bolts, the curved surface part of the clamping plate 7 on the upper side of the spray pipe 5 is fixedly connected with a connecting block 11, and the connecting block 11 and the clamping plate 7 on the upper side of the spray pipe 5 are of an integrated structure; the through holes are formed in the corresponding positions of the connecting block 11 and the supporting plate 3, the connecting block 11 extends into the groove of the supporting plate, and the connecting block 11 is connected with the supporting plate 3 through the pin shaft 8. The water tank 2 of this embodiment is a rectangular parallelepiped, and the water pipe 1 is installed in the middle of the water tank 2. The principle of this embodiment is that, as shown in fig. 4, when there is no water in the water tank 2, the shower pipe 5 is in a lying state, and when the cleaning apparatus enters a working state, the water pump is turned on, and the water tank 2 is filled with water through the water pipe 1. Along with the gravity increase of water in the water tank 2, the spray pipe 5 with the clamping plate 7 and the connecting block 11 rotates around the pin shaft 8, the spray head 6 moves from a low position to a high position until the spray pipe 5 contacts with the limiting block 4, and the spray head 6 is rotated under the action of water pressure to clean the photovoltaic assembly. After the cleaning work is finished, the water pump is turned off, after the water in the water tank 2 is discharged, the spraying pipe 5 with the clamping plate 7 and the connecting block 11 rotates around the pin shaft 8 again under the action of the self gravity of the spraying pipe 5, the spraying head 6 moves from a high position to a low position, and the spraying pipe 5 returns to a flat lying state again. In the embodiment, the state of the spray pipe 5 is changed by the rotary connection of the connecting block 11 and the supporting plate 3 and the gravity of the cleaning device.

The photovoltaic module can be sprayed at night or at noon, so that the function of automatically cleaning the photovoltaic module is achieved, and shielding can be avoided; spraying in the noon can also play the cooling effect to photovoltaic module simultaneously, further improves the generating efficiency.

The spraying cleaning device is simple in structure, and can achieve a better cleaning effect; and can guarantee that belt cleaning device is when operating condition, and the shower head is higher than photovoltaic module, and when belt cleaning device stop work, the shower head is less than photovoltaic module. The shower head can not lead to the fact and shelter from photovoltaic module, can improve photovoltaic module's generated energy. The cleaning device does not need to use power equipment such as a driving motor, and the movement of the spray header is controlled by gravity, so that the cleaning device is beneficial to saving energy, reducing cost and being suitable for popularization and application.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic module sprays belt cleaning device which characterized in that, including the backup pad, with the backup pad rotates the fixed establishment of connection and leans on the fixed shower of fixed establishment, the one end that the turned position was kept away from to the shower is equipped with the shower head, and the one end that is close to the turned position is equipped with the water tank.

2. The spray cleaning device for photovoltaic modules according to claim 1, wherein said fixing mechanism is a clamping plate, said spray pipe is fixed by two said clamping plates, and said clamping plates are hinged to said supporting plate.

3. The spray cleaning device for photovoltaic modules according to claim 2, wherein the two clamping plates are fixedly connected by bolts.

4. The spray cleaning device for the photovoltaic module according to claim 2, wherein holes are formed in the supporting plate and the clamping plate at positions corresponding to each other, and the clamping plate is hinged to the supporting plate through a pin shaft.

5. The pv module spray cleaning apparatus of claim 1 wherein the top of the support plate is provided with a stop to limit the position of the spray tube.

6. The spray cleaning device for the photovoltaic module according to claim 1, wherein a water pipe is arranged on the water tank.

7. The spray cleaning device for photovoltaic modules according to claim 1, further comprising a mounting plate, wherein one end of the mounting plate is fixedly connected with the support plate, and the other end of the mounting plate is fixedly connected with the photovoltaic support.