CN220717140U

CN220717140U - Cleaning device

Info

Publication number: CN220717140U
Application number: CN202322219585.3U
Authority: CN
Inventors: 朱广超; 李锋涛
Original assignee: Suqian Atlas Sunshine Energy Technology Co ltd; Atlas Sunshine Power Group Co Ltd
Current assignee: Canadian Solar Inc; Suqian Atlas Sunshine Energy Technology Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-05
Anticipated expiration: 2033-08-17

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a cleaning device. The cleaning device comprises a conveying frame, a brush roller, a spray pipe, a water reservoir and a pump body, wherein the conveying frame can move to the position of the photovoltaic module to be cleaned. The brush roller and the spray pipe are arranged on the conveying frame side by side along the cleaning direction, and the brush roller is positioned in front of the spray pipe. The brush roller and the spray pipe are both positioned above the photovoltaic module, the brush roller and the spray pipe can move along the cleaning direction, and the brush roller rolls on the upper surface of the photovoltaic module at the same time. The brush roller is provided with a water outlet. The pump body is arranged in the reservoir to convey the water in the reservoir to the water outlet and the spray hole of the spray pipe respectively. The brush roller and the spray pipe move along the cleaning direction, the upper surface of the photovoltaic module is primarily cleaned through the brush roller, the upper surface of the photovoltaic module is secondarily cleaned through the spray pipe, residual sewage, water trace and the like on the upper surface of the photovoltaic module are avoided, and the cleaning efficiency and the cleaning quality are improved.

Description

Cleaning device

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a cleaning device.

Background

In a photovoltaic power station, a photovoltaic module is exposed to an outdoor environment for a long time, and is affected by various environments and weather (sand wind, rain and snow), and dust impurities are attached to the upper surface of the photovoltaic module. Along with the accumulation of dust impurities, the overall power generation capacity of the photovoltaic module gradually decreases, so that the photovoltaic module needs to be cleaned regularly.

At present, common cleaning modes include water gun cleaning, handheld rolling brush cleaning and the like, and the cleaning modes are high in cost and low in cleaning efficiency. A small number of automatic cleaning devices generally only use a hairbrush to perform one-time rolling brush cleaning, so that a large amount of sewage, water stains and the like remain on the upper surface of the photovoltaic panel, and the cleaning quality is difficult to meet the requirements.

Disclosure of Invention

The utility model aims to provide a cleaning device which solves the problems of low manual cleaning efficiency and poor automatic cleaning quality in the prior art.

The technical scheme adopted by the utility model is as follows:

a cleaning device comprising:

the conveying frame can move to the position of the photovoltaic module to be cleaned;

the brush roller and the spray pipe are arranged on the conveying frame side by side along the cleaning direction, and the brush roller is positioned in front of the spray pipe; the brush roller and the spray pipe are both positioned above the photovoltaic module, the brush roller and the spray pipe can move along the cleaning direction, and the brush roller rolls on the upper surface of the photovoltaic module at the same time;

the brush roller is provided with a water outlet; the pump body is arranged in the reservoir so as to convey the water in the reservoir to the water outlet and the spraying hole of the spraying pipe respectively.

As a preferred scheme, the cleaning device further comprises a water tank, wherein the water tank is arranged on the conveying frame and is positioned below the bottom of the photovoltaic module so as to collect sewage flowing down from the upper surface of the photovoltaic module.

Preferably, the water tank is communicated with the water reservoir, and a second filtering piece is arranged in the water tank to filter the sewage collected in the water tank.

Preferably, the top opening of the reservoir is provided with a first filter member, so as to filter water conveyed to the water outlet hole and the spraying hole.

Preferably, the conveying frame comprises a bracket and a conveying assembly, the conveying assembly is arranged on the bracket, and the conveying assembly drives the brush roller and the spray pipe to move along the cleaning direction respectively.

As the preferable scheme, the conveying assembly is provided with two conveying assemblies, the two conveying assemblies are arranged on the support in an up-down inclined mode, two ends of the brush roller are connected with two output ends of the conveying assemblies respectively, two ends of the spray pipe are connected with two output ends of the conveying assemblies respectively, and the inclination angles of the brush roller, the spray pipe and the photovoltaic assembly are the same.

As a preferred scheme, the conveying assembly comprises a driving piece, a driving wheel, a driven wheel and a conveying belt, wherein the output end of the driving piece is in transmission connection with the driving wheel, the driving wheel and the driven wheel are arranged at intervals along the cleaning direction and are rotationally arranged on the support, the conveying belt is sleeved on the driving wheel and the driven wheel, and one end of the brush roller and one end of the spray pipe are respectively connected on the conveying belt.

As a preferable scheme, the support comprises a first support body and a second support body, wherein the heights of the first support body and the second support body are adjustable, and the two conveying assemblies are respectively arranged on the first support body and the second support body.

Preferably, the bracket further comprises a connecting rod with adjustable length, and two ends of at least one connecting rod are respectively connected with the first bracket body and the second bracket body.

Preferably, a plurality of casters are mounted at the bottom of the bracket.

The beneficial effects of the utility model are as follows:

according to the cleaning device provided by the utility model, when the conveying frame moves to the position of the photovoltaic module to be cleaned, the brush roller and the spray pipe move along the cleaning direction, water is sprayed on the upper surface of the Kong Xiangguang V module of the water discharged by the brush roller, and the brush roller rolls on the upper surface of the photovoltaic module to primarily clean the upper surface of the photovoltaic module. The spray pipes synchronously clean the primarily cleaned photovoltaic module, so that the upper surface of the photovoltaic module is cleaned for the second time, residual sewage, water and the like on the upper surface of the photovoltaic module are avoided, and the cleaning efficiency and the cleaning quality are improved.

Drawings

Fig. 1 is a schematic structural view of a cleaning device according to an embodiment of the present utility model.

The parts in the figures are named and numbered as follows:

10. a photovoltaic module; 1. a conveying frame; 11. a first frame body; 12. a second frame body; 13. a conveyor belt; 2. a brush roller; 21. a brush roller; 3. a shower pipe; 4. a reservoir; 5. a pump body; 6. a water tank.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

In a photovoltaic power station, dust impurities adhere to the upper surface of a photovoltaic module exposed to an outdoor environment for a long period of time, and the photovoltaic module needs to be cleaned regularly. The common manual cleaning mode is high in cost and low in cleaning efficiency. A small number of automatic cleaning devices generally only use a hairbrush to perform one-time rolling brush cleaning, so that a large amount of sewage, water stains and the like remain on the upper surface of the photovoltaic panel, and the cleaning quality is difficult to meet the requirements.

In order to solve the above problems, as shown in fig. 1, the present embodiment provides a cleaning device, which includes a conveying frame 1, a brush roller 2, a shower pipe 3, a water reservoir 4 and a pump body 5, wherein the conveying frame 1 can move to a position where a photovoltaic module 10 to be cleaned is located. The brush roller 2 and the shower pipe 3 are arranged on the conveying frame 1 side by side along the cleaning direction (the direction indicated by the arrow in the figure), and the brush roller 2 is positioned in front of the shower pipe 3. The brush roller 2 and the spray pipe 3 are both positioned above the photovoltaic module 10, the brush roller 2 and the spray pipe 3 can move along the cleaning direction, and the brush roller 2 rolls on the upper surface of the photovoltaic module 10 at the same time. The brush roller 2 is provided with a water outlet. The pump body 5 is arranged in the reservoir 4 to convey the water in the reservoir 4 to the water outlet and the spray hole of the spray pipe 3 respectively.

When the conveying frame 1 moves to the position of the photovoltaic module 10 to be cleaned, the brush roller 2 and the spray pipe 3 move along the cleaning direction, water is sprayed on the upper surface of the water-yielding Kong Xiangguang photovoltaic module 10 of the brush roller 2, and the brush roller 2 rolls on the upper surface of the photovoltaic module 10 to primarily clean the upper surface of the photovoltaic module 10. The spray pipe 3 is used for synchronously cleaning the photovoltaic module 10 after primary cleaning, so that the upper surface of the photovoltaic module 10 is cleaned for the second time, residual sewage, water and the like on the upper surface of the photovoltaic module 10 are avoided, and the cleaning efficiency and the cleaning quality are improved.

As shown in fig. 1, the brush roller 2 includes a drum body, a motor and a plurality of brush rollers 21, the plurality of brush rollers 21 are rotatably mounted in the drum body through the same shaft, and at least part of the brushes of the brush rollers 21 are exposed out of the drum body, and the motor is built in the drum body, so that compact mounting of the brush roller 2 is realized. The motor can be provided with a power source or an external power source to drive the rotating shaft to drive the plurality of brush rollers 21 to roll on the upper surface of the photovoltaic module 10 so as to sweep out impurities such as dust. The pivot is hollow structure, has offered a plurality of apopores with the inside intercommunication of pivot on the brush roller 21, and the water in the cistern 4 spouts the upper surface to photovoltaic module 10 through the apopore of pipeline, pivot and brush roller 21, realizes the clean operation of flushing the round brush simultaneously.

The shower pipe 3 of this embodiment is also of a hollow structure, and a plurality of shower holes are provided on the shower pipe 3 at intervals along the axial direction thereof, and the shower holes face the upper surface of the photovoltaic module 10. The brush cylinder 2 and the shower 3 remove along clean direction synchronization, and the water in the cistern 4 still communicates with shower 3 are inside through the pipeline, and the pump body 5 is with in carrying water to shower 3 to spout the upper surface to photovoltaic module 10 through the hole that sprays, realize secondary washing, with remaining sewage, the water mark etc. behind clean brush cylinder 2 process, further improved cleaning quality.

As shown in fig. 1, the transfer frame 1 includes a support and a transfer assembly disposed on the support, the transfer assembly driving the brush roller 2 and the shower 3 to move in a cleaning direction, respectively. Specifically, a plurality of casters are mounted to the bottom of the stand. The castor can be a universal wheel with a brake, so that the support can rapidly move in multiple directions and has a brake function. The support can walk through a traction trolley or manual pushing mode and the like, and is not particularly limited herein.

It should be noted that, in the photovoltaic power station, the plurality of photovoltaic modules 10 are arranged in an array, and the photovoltaic modules 10 are mounted on the photovoltaic frame in an inclined manner according to the irradiation angle of sunlight. The cleaning direction of this embodiment is the left and right directions of photovoltaic module 10, and the inclination angles of brush roller 2, shower 3 and photovoltaic module 10 are the same to make brush roller 2, shower 3 parallel with photovoltaic module 10's upper surface respectively, in order to guarantee that brush roller 21 laminates in photovoltaic module 10's upper surface completely, in order to improve cleaning quality.

As shown in fig. 1, the two conveying components are arranged on the bracket in an up-down inclined manner, two ends of the brush roller 2 are respectively connected with the output ends of the two conveying components, and two ends of the spray pipe 3 are respectively connected with the output ends of the two conveying components. The two conveying components synchronously drive the brush roller 2 and the spray pipe 3 to move along the cleaning direction, so that the brush roller 2 and the spray pipe 3 are prevented from angular offset in the moving process, and the stability of the brush roller 2 and the spray pipe 3 in the moving process is improved.

Specifically, the conveying assembly comprises a driving part, a driving wheel, a driven wheel and a conveying belt 13, wherein the output end of the driving part is in transmission connection with the driving wheel, the driving wheel and the driven wheel are arranged at intervals along the cleaning direction and are rotatably arranged on the support, the conveying belt 13 is sleeved on the driving wheel and the driven wheel, and one end of the brush roller 2 and one end of the spray pipe 3 are respectively connected on the conveying belt 13. The long-distance movement of the brush roller 2 and the spray pipe 3 along the cleaning direction is realized by adopting a belt transmission mode. In other embodiments, a transmission manner such as a chain transmission may be adopted, which is not listed here.

In this embodiment, the driving member may be a motor or other driving member, the conveyor belt 13 is fixedly provided with a transfer block, one end of the brush roller 2 and the shower pipe 3 are fixedly installed on the transfer block of the conveyor belt 13 above, and the other end of the brush roller 2 and the shower pipe 3 are fixedly installed on the transfer block of the conveyor belt 13 below. When the two driving wheels rotate clockwise, the two conveyor belts 13 drive the brush roller 2 and the spray pipe 3 to synchronously move along the cleaning direction, namely, the left side of the photovoltaic module 10 to be cleaned moves to the right side. Then, when the two driving wheels rotate anticlockwise, the two conveyor belts 13 drive the brush roller 2 and the spray pipe 3 to synchronously move along the reverse direction of the cleaning direction, namely, the right side of the photovoltaic module 10 moves to the left side so as to clean the next photovoltaic module 10.

As shown in fig. 1, the bracket includes a first frame 11 and a second frame 12 with adjustable heights, and two conveying components are respectively disposed on the first frame 11 and the second frame 12. When the support moves to the position of the photovoltaic module 10 to be cleaned, the first frame 11 is lower in height and located in front of the photovoltaic module 10, the second frame 12 is higher in height and located behind the photovoltaic module 10, and the two conveyor belts 13 are respectively arranged on the first frame 11 and the second frame 12 along the cleaning direction. The heights of the first frame body 11 and the second frame body 12 can be adjusted, so that the heights and the inclination angles of the brush roller 2 and the spray pipe 3 can be flexibly adjusted to adapt to the photovoltaic modules 10 with different installation angles, and the universality of the cleaning device is improved.

Specifically, the first frame 11 and the second frame 12 are assembled by splicing a plurality of cross beams and a plurality of longitudinal beams, wherein the longitudinal beams are of telescopic structures, so that the heights of the first frame 11 and the second frame 12 are adjusted, and the heights and the inclination angles of the brush roller 2 and the spray pipe 3 are adjusted. Because the longitudinal beam with the telescopic structure is in the prior art, the specific structure of the longitudinal beam is not repeated.

Further, the bracket further comprises a connecting rod with adjustable length, and two ends of at least one connecting rod are respectively connected with the first frame body 11 and the second frame body 12. The connecting rods can be multiple, and the first frame body 11 and the second frame body 12 are connected into a whole through the connecting rods, so that the structural strength and stability of the bracket are improved. In addition, the distance between the first frame body 11 and the second frame body 12 can be quickly adjusted by changing the length of the connecting rod so as to adapt to the photovoltaic modules 10 with different sizes, and the universality of the cleaning device is further improved. Because the telescopic structure of the connecting rod is the prior art, the specific structure of the connecting rod is not repeated.

As shown in fig. 1, the top opening of the reservoir 4 is provided to collect rainwater, which is beneficial to saving water resources. The inside of cistern 4 is provided with first filter to the filtration is carried to apopore and is sprayed the water of hole, avoids fallen leaves or great granule impurity etc. to block up the pipeline, and guarantees the cleanliness of the water that spouts to photovoltaic module 10 upper surface.

In the photovoltaic power station, a plurality of reservoirs 4 may be provided within a distribution range of the photovoltaic modules 10, and a specified number of photovoltaic modules 10 may share one reservoir 4. A reservoir 4 may also be provided separately beside each photovoltaic module 10. After the support moves to the position of the photovoltaic module 10 to be cleaned, the pipelines extending out of the reservoir 4 of the accessory are respectively communicated with the brush roller 2 and the spray pipe 3 so as to supply water to the brush roller 2 and the spray pipe 3.

As shown in fig. 1, the cleaning device further includes a water tank 6, where the water tank 6 is disposed on the conveying frame 1 and is located below the bottom of the photovoltaic module 10, so as to collect sewage flowing down from the upper surface of the photovoltaic module 10, prevent the sewage from flowing to the ground where the photovoltaic module 10 is located, and maintain a clean environment where the photovoltaic module 10 is located.

Further, the water tank 6 is communicated with the water reservoir 4, and a second filter is provided in the water tank 6 to filter the sewage collected in the water tank 6. The water tank 6 and the reservoir 4 can share the same pump body 5, and the pump body 5 sucks the water filtered by the second filtering piece in the water tank 6 into the reservoir 4 so as to realize the recycling of the water and further save water resources. The types and models of the first filter element and the second filter element are not particularly limited, and the products are only required to have a filtering function.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A cleaning device, comprising:

the conveying frame (1) can move to the position of the photovoltaic module (10) to be cleaned;

the brush roller (2) and the spray pipe (3) are arranged on the conveying frame (1) side by side along the cleaning direction, and the brush roller (2) is positioned in front of the spray pipe (3); the brush roller (2) and the spray pipe (3) are both positioned above the photovoltaic module (10), the brush roller (2) and the spray pipe (3) can move along the cleaning direction, and the brush roller (2) rolls on the upper surface of the photovoltaic module (10) at the same time;

the water storage tank (4) and the pump body (5), and the brush roller (2) is provided with a water outlet; the pump body (5) is arranged in the reservoir (4) so as to convey the water in the reservoir (4) to the water outlet and the spraying hole of the spraying pipe (3) respectively.

2. The cleaning device according to claim 1, further comprising a water tank (6), said water tank (6) being arranged on said conveyor frame (1) below the bottom of said photovoltaic module (10) for collecting sewage flowing down from the upper surface of said photovoltaic module (10).

3. A cleaning device according to claim 2, characterized in that the water tank (6) is in communication with the water reservoir (4), and that a second filter element is arranged in the water tank (6) for filtering the sewage collected in the water tank (6).

4. A cleaning device according to claim 1, characterized in that the top opening of the reservoir (4) is provided and the interior of the reservoir (4) is provided with a first filter for filtering the water delivered to the water outlet and the shower holes.

5. A cleaning device according to any one of claims 1-4, characterized in that the conveyor frame (1) comprises a support and a conveyor assembly, which conveyor assembly is arranged on the support, which conveyor assembly drives the brush roller (2) and the shower (3) respectively in the cleaning direction.

6. The cleaning device according to claim 5, wherein the conveying components are two, the two conveying components are arranged on the support in an up-down inclined mode, two ends of the brush roller (2) are respectively connected with the output ends of the two conveying components, two ends of the spray pipe (3) are respectively connected with the output ends of the two conveying components, and the inclination angles of the brush roller (2), the spray pipe (3) and the photovoltaic component (10) are the same.

7. The cleaning device according to claim 6, wherein the conveying assembly comprises a driving member, a driving wheel, a driven wheel and a conveying belt (13), the output end of the driving member is in transmission connection with the driving wheel, the driving wheel and the driven wheel are arranged at intervals along the cleaning direction and are rotatably arranged on the support, the conveying belt (13) is sleeved on the driving wheel and the driven wheel, and one end of the brush roller (2) and one end of the spray pipe (3) are respectively connected to the conveying belt (13).

8. The cleaning device according to claim 6, wherein the stand comprises a first frame (11) and a second frame (12) with adjustable heights, and two conveying assemblies are respectively arranged on the first frame (11) and the second frame (12).

9. The cleaning device according to claim 8, wherein the support further comprises a length-adjustable link, and both ends of at least one of the links are connected to the first frame body (11) and the second frame body (12), respectively.

10. The cleaning device of claim 5, wherein a plurality of casters are mounted to a bottom of the frame.