A scalable photovoltaic module cleaning device

Abstract

The utility model provides a telescopic photovoltaic module cleaning device belongs to photovoltaic cleaning technical field to solve the problem that the existing cleaning device mostly adopts the mode of continuous liquid discharge or timing liquid discharge, causes the problem of excessive consumption and waste to cleaning liquid, including spacing guide frame, the outer side of storage tank fixed connection is in spacing guide frame top end surface, operating support hinged setting is in the outer side of storage tank upper end, cleaning support elasticity sets up in the outer side of spacing guide frame lower extreme, the bottom end surface fixed connection of storage tank has the liquid discharge pipe, and the liquid discharge pipe and guide through -hole and connecting branch ring slide setting, the bottom end of liquid discharge pipe is provided with the liquid discharge port, and the liquid discharge port is the conical groove structure, and the liquid discharge control mechanism sets up between the liquid discharge pipe and cleaning support, drive shaft rotation connection is in spacing guide frame and the outer side of storage tank, realizes contact trigger type liquid discharge, non - contact stops liquid, avoids the excessive consumption and waste to cleaning liquid, and also avoids the excessive discharge of cleaning liquid.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic cleaning technology, and more specifically, it relates to a retractable photovoltaic module cleaning device. Background Technology

[0002] During the long-term application of photovoltaic modules, due to their outdoor installation, the surface of the photovoltaic panels is prone to accumulating dirt such as dust, bird droppings, and leaves. To avoid the impact of impurity accumulation on the solar radiation area and light absorption rate of the photovoltaic panels, operators need to use cleaning equipment to clean the photovoltaic modules. When cleaning photovoltaic modules, in order to ensure the cleaning effect, cleaning fluid is usually needed to soften and decompose the stains and enhance the cleaning ability.

[0003] For example, existing application number CN202222839592.9 provides a photovoltaic panel module cleaning device, including a drive assembly. The drive assembly includes a mounting plate, a pressure roller assembly, and an elastic floating support assembly. The pressure roller assembly includes a pressure roller for contacting the photovoltaic panel module. The pressure roller is connected to the mounting plate through the elastic floating support assembly, and the pressure roller can rotate relative to the mounting plate. The elastic floating support assembly can extend and retract relative to the mounting plate, thereby enabling the pressure roller to move up and down relative to the mounting plate. This utility model, by setting the elastic floating support assembly, allows the pressure roller assembly to float up and down and smoothly cross obstacles, improving the walking and passing ability of the photovoltaic panel module cleaning device.

[0004] Based on the above, most existing cleaning devices adopt a continuous or timed drainage mode, which not only easily leads to excessive drainage in unclean areas or already cleaned areas between photovoltaic modules and at their edges, causing excessive consumption and waste of cleaning fluid, but also makes it easy for the cleaning fluid to seep into weak parts such as the edge sealant and junction boxes of photovoltaic modules when excessive drainage occurs, resulting in sealing failure or circuit corrosion, affecting the service life and operational stability of photovoltaic modules. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a retractable photovoltaic module cleaning device. This addresses the issue that most existing cleaning devices employ continuous or timed drainage, which not only easily leads to excessive drainage in uncleaned areas such as gaps and edges of photovoltaic modules, or even in already cleaned areas, causing excessive consumption and waste of cleaning fluid, but also allows excessive drainage to easily seep into weak points such as edge sealant and junction boxes of the photovoltaic modules, resulting in seal failure or circuit corrosion, thus affecting the service life and operational stability of the photovoltaic modules.

[0006] The purpose and effectiveness of this retractable photovoltaic module cleaning device are achieved through the following specific technical means: A retractable photovoltaic module cleaning device includes a limiting guide frame, a liquid storage tank, an operating support column, a cleaning bracket, a drain control mechanism, and a drive shaft. The liquid storage tank is fixedly connected to the outer side of the top end face of the limiting guide frame. A replenishment port is provided at the upper end of the liquid storage tank. A sealing plug is inserted into the inner side of the replenishment port. The operating support column is hinged to the outer side of the upper end of the liquid storage tank. The cleaning bracket is elastically positioned on the outer side of the lower end of the limiting guide frame. A cleaning brush is fixedly connected to the outer side of the bottom end face of the cleaning bracket. Guide holes are provided on the inner sides of both the cleaning bracket and the cleaning brush. A connecting support ring is fixedly connected to the bottom end face of the guide holes. A drain pipe is fixedly connected to the bottom end face of the liquid storage tank, and the drain pipe is slidably arranged with the guide holes and the connecting support ring. A drain port with a conical groove structure is provided at the bottom end of the drain pipe. The drain control mechanism is located between the drain pipe and the cleaning bracket. The drive shaft is rotatably connected to the outer side of the limiting guide frame and the liquid storage tank, and the outer end of the drive shaft is coaxially fixedly connected to the outer side of the drive motor shaft.

[0007] Furthermore, a connecting auxiliary frame is fixedly connected to the bottom end face of the operating support; the connecting auxiliary frame is hinged to the liquid storage tank; an elastic connector is fixedly connected to the outer end of the connecting auxiliary frame; an operating guide tube is fixedly connected to the outer end of the elastic connector; and the operating guide tube is slidably connected to the operating support.

[0008] Furthermore, a drive gear is coaxially fixedly connected to the bottom end face of the drive shaft; a transmission gear is provided on the outside of the drive gear, and the bottom end face of the transmission gear is fixedly connected to the cleaning bracket; the transmission gear and the drive gear mesh with each other, and the drive gear and the transmission gear are staggered to avoid interference.

[0009] Furthermore, the drainage control mechanism includes a drainage control block and a connecting bracket. The drainage control block is slidably disposed at the inner end of the drainage port and has a frustum-cone structure. The connecting bracket is fixedly connected between the drainage control block and the connecting support ring.

[0010] Furthermore, the drainage control mechanism also includes: a limiting guide ring, an elastic reset member, and an abutment ring. The limiting guide ring is fixedly connected to the top end face of the cleaning bracket and is slidably disposed with the drainage pipe. The elastic reset member is fixedly connected to the top end face of the limiting guide ring. The abutment ring is fixedly connected to the upper end of the elastic reset member and is rotatably connected with the drainage pipe.

[0011] Furthermore, a guide ring is fixedly connected to the outer side of the top end face of the cleaning bracket; an annular guide groove is provided at the alignment position of the limiting guide and the guide ring.

[0012] Compared with the prior art, the present invention has the following beneficial effects: In use, this invention utilizes a drainage control mechanism to achieve contact-triggered drainage: when the cleaning brush contacts the photovoltaic module, the cleaning bracket is pressed upwards, causing the truncated cone-shaped drainage control block to slide out of the drainage port via the connecting bracket, and the cleaning fluid is automatically discharged through the drainage pipe; when the contact is broken, the elastic reset component pushes the cleaning bracket back to its original position, and the drainage control block re-seals the drainage port, achieving non-contact drainage stoppage. This not only greatly avoids excessive consumption and waste of cleaning fluid, but also prevents excessive drainage of cleaning fluid and avoids problems such as sealing failure or circuit corrosion caused by cleaning fluid seeping into weak parts such as the edge sealant of the photovoltaic module and junction box. This further improves the service life and operational stability of the photovoltaic module, as well as the effectiveness of this device in practical applications. This invention allows for large-area cleaning of photovoltaic modules without requiring operators to move around; simply pushing and pulling the operating support column is sufficient. This improves the ease of operation of the device in practical applications and further enhances the cleaning efficiency of photovoltaic modules. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall isometric structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the connection structure between the transmission gear and the cleaning bracket of this utility model.

[0015] Figure 3 This is a schematic diagram of the installation structure of the transmission gear and the limiting guide ring of this utility model.

[0016] Figure 4 This is a cross-sectional structural diagram of the drainage control mechanism of this utility model.

[0017] Figure 5 This is a schematic diagram of the connection structure between the connecting bracket and the drainage control block of this utility model.

[0018] Figure 6 This is a cross-sectional view of the connection between the drain control block and the drain pipe of this utility model.

[0019] In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Limiting guide; 2. Liquid storage tank; 201. Drain pipe; 202. Liquid replenishment port; 3. Operating support; 301. Connecting auxiliary frame; 302. Elastic connector; 303. Operating guide tube; 4. Cleaning bracket; 401. Guide ring; 402. Cleaning brush; 403. Connecting support ring; 5. Drain control block; 501. Connecting bracket; 502. Limiting guide ring; 504. Elastic reset component; 505. Contact ring; 6. Drive shaft; 601. Drive gear; 602. Transmission gear. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. Example 1

[0021] As attached Figure 1 To be continued Figure 4 As shown: This utility model provides a retractable photovoltaic module cleaning device, including a limiting guide frame 1, a liquid storage tank 2, an operating support column 3, a cleaning bracket 4, and a drive shaft 6. The liquid storage tank 2 is fixedly connected to the outer side of the top end face of the limiting guide frame 1. A liquid replenishment port 202 is provided at the upper end of the liquid storage tank 2. A sealing plug is inserted into the inner side of the liquid replenishment port 202. The operating support column 3 is hinged to the outer side of the upper end of the liquid storage tank 2. The cleaning bracket 4 is elastically provided to the outer side of the lower end of the limiting guide frame 1. A cleaning brush 402 is fixedly connected to the outer side of the bottom end face of the cleaning bracket 4. Guide holes are provided on the inner sides of both the cleaning bracket 4 and the cleaning brush 402. A connecting support ring 403 is fixedly connected to the bottom end face of the guide hole. The drive shaft 6 is rotatably connected to the outer side of the limiting guide frame 1 and the liquid storage tank 2, and the outer end of the drive shaft 6 is coaxially fixedly connected to the outer side of the drive motor shaft.

[0022] The bottom end face of the operating support 3 is fixedly connected to a connecting auxiliary frame 301; the connecting auxiliary frame 301 is hinged to the liquid storage tank 2; the outer end of the connecting auxiliary frame 301 is fixedly connected to an elastic connector 302; the outer end of the elastic connector 302 is fixedly connected to an operating guide tube 303; the operating guide tube 303 is slidably connected to the operating support 3.

[0023] Among them, a drive gear 601 is coaxially fixedly connected to the bottom end face of the drive shaft 6; a transmission gear 602 is provided on the outside of the drive gear 601, and the bottom end face of the transmission gear 602 is fixedly connected to the cleaning bracket 4; the transmission gear 602 and the drive gear 601 mesh with each other, and the drive gear 601 and the transmission gear 602 are staggered to avoid interference.

[0024] The specific usage and function of this embodiment are as follows: When this utility model is in use, during the rotation of the drive shaft 6 driven by the start of the drive motor, the drive gear 601 pushes the transmission gear 602 and the cleaning bracket 4 to rotate. During the rotation of the cleaning bracket 4, the cleaning brush 402 cleans the photovoltaic module. During the cleaning of the photovoltaic module, when the operator holds the operating guide tube 303 and drags or pushes the operating support 3, a large area of ​​the photovoltaic module can be cleaned without the operator having to move. Example 2

[0025] As attached Figure 3 To be continued Figure 6 As shown: Based on Embodiment 1, a drain control mechanism is also included. A drain pipe 201 is fixedly connected to the bottom end face of the storage tank 2. The drain pipe 201 is slidably arranged with the guide hole and the connecting support ring 403. A drain port is opened at the bottom end of the drain pipe 201. The drain port has a conical groove structure. The drain control mechanism is arranged between the drain pipe 201 and the cleaning bracket 4.

[0026] The drainage control mechanism includes a drainage control block 5 and a connecting bracket 501. The drainage control block 5 is slidably disposed at the inner end of the drainage port and has a frustum-shaped structure. The connecting bracket 501 is fixedly connected between the drainage control block 5 and the connecting support ring 403.

[0027] The drainage control mechanism also includes: a limiting guide ring 502, an elastic reset member 504, and an abutment ring 505. The limiting guide ring 502 is fixedly connected to the top end face of the cleaning bracket 4 and is slidably disposed with the drainage pipe 201. The elastic reset member 504 is fixedly connected to the top end face of the limiting guide ring 502. The abutment ring 505 is fixedly connected to the upper end of the elastic reset member 504 and is rotatably connected with the drainage pipe 201.

[0028] Among them, a guide ring 401 is fixedly connected to the outer side of the top end face of the cleaning bracket 4; an annular guide groove is opened at the alignment position of the limiting guide 1 and the guide ring 401.

[0029] The specific usage and function of this embodiment are as follows: When this utility model is in use, after the cleaning brush 402 comes into contact with the photovoltaic module, the gravity of the device itself pushes the cleaning brush 402 to slide upward. During the upward sliding of the cleaning brush 402, it pushes the drain control block 5 to slide upward in the drain trough at the same time. After the drain control block 5 slides upward, the cleaning liquid is automatically drained. The guide ring 401 and the limiting guide ring 502 realize the guiding and limiting of the cleaning bracket 4, ensuring the stable connection between the cleaning bracket 4, the limiting guide 1, and the drain pipe 201. When the cleaning brush 402 is not in contact with the photovoltaic module, the elastic reset member 504 automatically resets the cleaning bracket 4, so that the drain control block 5 automatically closes the drain trough. Through the cooperation of the conical groove structure and the truncated cone control block, the control of the drain volume and the precise opening and closing of the drain trough are realized.

[0030] The following points should be noted in this article: 1. The accompanying drawings of this embodiment only involve the structures involved in this embodiment; other structures can refer to the general design.

[0031] 2. Where there is no conflict, this embodiment and the features in the embodiment can be combined with each other to obtain new embodiments.

[0032] The above are merely specific implementations of this embodiment, but the protection scope of this embodiment is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this embodiment should be included within the protection scope of this embodiment. Therefore, the protection scope of this embodiment should be determined by the protection scope of the claims.

Claims

1. A retractable photovoltaic module cleaning device, comprising a limiting guide (1), a liquid storage tank (2), an operating support (3), a cleaning bracket (4), a drain control mechanism, and a drive shaft (6), wherein the liquid storage tank (2) is fixedly connected to the outer side of the top end face of the limiting guide (1); a replenishment port (202) is provided at the upper end of the liquid storage tank (2); a sealing plug is inserted into the inner side of the replenishment port (202); the operating support (3) is hinged to the outer side of the upper end of the liquid storage tank (2); characterized in that: The cleaning bracket (4) is elastically set on the outer side of the lower end of the limiting guide (1); a cleaning brush (402) is fixedly connected to the outer side of the bottom end face of the cleaning bracket (4); a guide hole is opened on the inner side of both the cleaning bracket (4) and the cleaning brush (402); a connecting support ring (403) is fixedly connected to the bottom end face of the guide hole; a drain pipe (201) is fixedly connected to the bottom end face of the liquid storage tank (2), and the drain pipe (201) is slidably set with the guide hole and the connecting support ring (403); a drain port is opened at the bottom end of the drain pipe (201), and the drain port is a conical groove structure; the drain control mechanism is set between the drain pipe (201) and the cleaning bracket (4); the drive shaft (6) is rotatably connected to the outer side of the limiting guide (1) and the liquid storage tank (2), and the outer end of the drive shaft (6) is coaxially fixedly connected to the outer side of the drive motor shaft.

2. The retractable photovoltaic module cleaning device as described in claim 1, characterized in that: The bottom end face of the operating support (3) is fixedly connected to a connecting auxiliary frame (301); the connecting auxiliary frame (301) is hinged to the liquid storage tank (2); the outer end of the connecting auxiliary frame (301) is fixedly connected to an elastic connector (302); the outer end of the elastic connector (302) is fixedly connected to an operating guide cylinder (303); the operating guide cylinder (303) is slidably connected to the operating support (3).

3. The retractable photovoltaic module cleaning device as described in claim 1, characterized in that: The drive shaft (6) is coaxially fixedly connected to the bottom end face of the drive shaft (6); a transmission gear (602) is provided on the outside of the drive gear (601), and the bottom end face of the transmission gear (602) is fixedly connected to the cleaning bracket (4); the transmission gear (602) and the drive gear (601) mesh with each other, and the drive gear (601) and the transmission gear (602) are staggered to avoid interference.

4. The retractable photovoltaic module cleaning device as described in claim 1, characterized in that: The drainage control mechanism includes a drainage control block (5) and a connecting bracket (501). The drainage control block (5) is slidably disposed at the inner end of the drainage port. The drainage control block (5) has a frustum conical structure. The connecting bracket (501) is fixedly connected between the drainage control block (5) and the connecting support ring (403).

5. The retractable photovoltaic module cleaning device as described in claim 1, characterized in that: The drainage control mechanism further includes: a limiting guide ring (502), an elastic reset member (504), and an abutment ring (505). The limiting guide ring (502) is fixedly connected to the top end face of the cleaning bracket (4), and the limiting guide ring (502) is slidably disposed with the drainage pipe (201). The elastic reset member (504) is fixedly connected to the top end face of the limiting guide ring (502). The abutment ring (505) is fixedly connected to the upper end of the elastic reset member (504), and the abutment ring (505) is rotatably connected with the drainage pipe (201).

6. The retractable photovoltaic module cleaning device as described in claim 1, characterized in that: A guide ring (401) is fixedly connected to the outer side of the top end face of the cleaning bracket (4); an annular guide groove is provided at the alignment position of the limiting guide (1) and the guide ring (401).

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