Dust filter screen cleaning brush for photovoltaic device
By combining the electrostatic adsorption of dust by conductive fiber bristles with a small extraction fan, the problem of dust being stirred up when the cleaning brush is applied to the dust filter of photovoltaic equipment and the difficulty in removing stubborn dust has been solved, achieving efficient cleaning and flexible maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN JINDU NEW ENERGY TECHNOLOGY CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-06-09
AI Technical Summary
When cleaning the dust filter of photovoltaic equipment, the existing cleaning brush causes dust to be stirred up due to the friction between the brush bristles and the filter, resulting in secondary pollution of the working environment. Furthermore, stubborn dust is difficult to remove completely, affecting ventilation, heat dissipation, and power generation efficiency.
The brush uses conductive fiber bristles to generate weak static electricity to attract dust, and a small extraction fan removes the dust particles. Combined with the design of the flip plate and positioning post, it can quickly disassemble and replace the brush, avoiding dust from scattering and re-adhering.
It improves cleaning efficiency, reduces secondary dust pollution, enhances cleaning flexibility and equipment maintenance convenience, and ensures stable operation and power generation efficiency of photovoltaic equipment.
Smart Images

Figure CN224330596U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleaning brush technology, and in particular to a cleaning brush for dust filters used in photovoltaic equipment. Background Technology
[0002] Dust filters in photovoltaic equipment are key components that ensure stable operation and improve power generation efficiency. They play an indispensable role in practical applications. Their core function is to prevent impurities such as dust, sand, leaves, and insects from entering the photovoltaic equipment and to prevent these foreign objects from damaging the delicate components of the equipment. Dust accumulation can affect the heat dissipation of the equipment, leading to increased internal temperature, reduced power generation efficiency, and even equipment failure. Therefore, cleaning brushes are needed to clean them.
[0003] Existing cleaning brushes have sparse bristles, making it difficult to effectively remove stubborn dust deep within the filter pores and on the surface. This is especially true in areas with strong winds and sandstorms, where dust adheres tightly to the filter pores, making it impossible for ordinary bristles to reach. As a result, a large amount of dust remains on the filter after cleaning, affecting ventilation, heat dissipation, and power generation efficiency. Current solutions involve using high-density, fine-diameter nylon bristles to increase the contact area between the bristles and the filter. Additionally, some bristles are designed with forked or hooked tips to penetrate deep into the filter pores and capture stubborn dust, thus improving cleaning efficiency. However, during the cleaning process, the friction between the bristles and the filter still causes dust to be stirred up, resulting in secondary pollution of the working environment and the dust re-adhering to the filter or other parts of the equipment. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a special dust filter cleaning brush for photovoltaic equipment, which aims to improve the problem in the prior art where the friction between the brush bristles and the filter causes dust to be stirred up, resulting in secondary pollution of the working environment and dust re-adhering to the filter or other parts of the equipment.
[0005] To achieve the above objectives, this utility model adopts the following technical solution: a dust filter cleaning brush for photovoltaic equipment, comprising a fixed shell, a extraction mechanism provided at the top of the fixed shell, a connecting plate fixedly connected to the inner wall of the fixed shell, replacement mechanisms provided on both the left and right sides of the fixed shell, and a handle fixedly connected to the rear side of the fixed shell; the extraction mechanism comprises a processing shell, the bottom of which is fixedly connected to the middle of the top of the fixed shell, a filter plate slidably connected to the inner wall of the processing shell, a gripping assembly provided at the rear top of the filter plate, a flow guide shell connected to the bottom of the rear side of the processing shell, a small extraction fan fixedly installed at the rear side of the flow guide shell, an extraction pipe connected to the front side of the top wall of the processing shell, an extraction head connected to the bottom end of the extraction pipe, an extraction head fixedly connected to the middle of the top wall of the connecting plate, and an installation assembly provided on the outer wall of the top wall of the connecting plate.
[0006] As a further description of the above technical solution:
[0007] The replacement mechanism includes multiple flip plates, with adjacent sides of the multiple flip plates rotatably connected to the upper and lower sides of the fixed shell. Each side of the multiple flip plates is fixedly connected to a positioning post. Multiple engaging slots are fixedly connected to the upper and lower sides of the fixed shell. Two replacement slots are opened on the left and right sides of the fixed shell. Two replacement brushes are provided on the left and right sides of the fixed shell. Adjacent sides of the multiple replacement brushes engage with the corresponding replacement slots. Two locking holes are opened on the opposite sides of the multiple replacement brushes. One end of each of the multiple positioning posts passes through the engaging slots and engages with the corresponding locking holes.
[0008] As a further description of the above technical solution:
[0009] The mounting assembly includes multiple bolts, the outer walls of which are threaded to the outer side of the top wall of the same connecting plate. The ends of the bolts are threaded to the mounting plate, and a conductive fiber brush is fixedly connected to the bottom wall of the mounting plate.
[0010] As a further description of the above technical solution:
[0011] The grip assembly includes a grip rod, the bottom wall of which is fixedly connected to the rear side of the top wall of the filter plate, a rubber shell is fixedly connected to the middle of the grip rod, a hidden groove is provided on the top rear side of the processing shell, and the front side of the grip rod engages with the hidden groove.
[0012] As a further description of the above technical solution:
[0013] A control switch is fixedly connected to the front side of the top wall of the handle, and the control switch is electrically connected to the small extraction fan.
[0014] As a further description of the above technical solution:
[0015] A rubber sleeve is fixedly connected to the outer wall of the handle, and a [missing information] is fixedly connected to the front end of the outer wall of the extraction tube.
[0016] As a further description of the above technical solution:
[0017] The mounting assembly also includes multiple rubber rings, the inner walls of which are respectively fixedly connected to the upper middle part of the bolt.
[0018] As a further description of the above technical solution:
[0019] A hanging ring is rotatably connected to the rear side of the handle, and a protective ring is fixedly connected to the rear side of the hanging ring.
[0020] This utility model has the following beneficial effects:
[0021] 1. In this utility model, by starting a small extraction fan, the airflow and cleaned dust particles are extracted through the extraction head. Then, they are collected uniformly under the obstruction of the filter plate. At the same time, after the conductive fiber brush comes into contact with the dust and cleans it, the brush bristles become slightly static, which actively adsorbs the tiny dust particles, thereby improving the cleaning effect, reducing secondary pollution to the working environment, and preventing dust from re-adhering to the filter or other parts of the equipment.
[0022] 2. In this utility model, by rotating the flip plate, the positioning post on one side can be separated or locked with the corresponding engagement groove and locking hole, so that the replacement brush can be locked or disassembled by the positioning post. Then, by moving the replacement brush, it can be engaged or disassembled with the replacement groove, thus achieving the effect of quick disassembly and replacement. This improves the flexibility of the device during cleaning and achieves the effect of disassembling and replacing the brush for cleaning according to usage needs. Attached Figure Description
[0023] Figure 1 This is a perspective view of the photovoltaic equipment dust filter cleaning brush proposed in this utility model;
[0024] Figure 2 This is a front view of the cleaning brush for a special dust filter for photovoltaic equipment proposed in this utility model;
[0025] Figure 3 This is a cross-sectional view of the fixing shell of the photovoltaic equipment dust filter cleaning brush proposed in this utility model;
[0026] Figure 4 This is an exploded view of the extraction mechanism of the photovoltaic equipment dust filter cleaning brush proposed in this utility model;
[0027] Figure 5 This is a schematic diagram of the replacement mechanism for the cleaning brush of the special dust filter for photovoltaic equipment proposed in this utility model.
[0028] Legend:
[0029] 1. Fixed shell; 2. Extraction mechanism; 201. Processing shell; 202. Filter plate; 203. Guide shell; 204. Small extraction fan; 205. Extraction pipe; 206. Extraction head; 207. Mounting assembly; 2071. Bolt; 2072. Mounting plate; 2073. Conductive fiber brush; 2074. Rubber ring; 208. Grip assembly; 2081. Grip bar; 2082. Rubber shell; 2083. Hidden groove; 209. Rubber ring; 3. Connecting plate; 4. Replacement mechanism; 401. Flipping plate; 402. Positioning post; 403. Engaging groove; 404. Replacement groove; 405. Replacement brush; 406. Locking hole; 5. Handle; 6. Control switch; 7. Rubber sleeve; 8. Hanging ring; 9. Protective ring. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Reference Figure 1 , Figure 3 and Figure 4 An embodiment of this utility model provides a special dust filter cleaning brush for photovoltaic equipment, including a fixed shell 1, a pulling mechanism 2 provided on the top of the fixed shell 1, the pulling mechanism 2 is used to reduce dust scattered during cleaning, a connecting plate 3 is fixedly connected to the inner wall of the fixed shell 1, a replacement mechanism 4 is provided on both the left and right sides of the fixed shell 1, the replacement mechanism 4 is used to improve the flexibility of the cleaning brush, and a handle 5 is fixedly connected to the rear side of the fixed shell 1.
[0032] The extraction mechanism 2 includes a processing shell 201, the bottom of which is fixedly connected to the top center of the fixed shell 1. A filter plate 202 is slidably connected to the inner wall of the processing shell 201, allowing the filter plate 202 to block the extracted dust particles and collect them. A gripping assembly 208 is provided on the rear side of the top of the filter plate 202, and a guide shell 203 is connected to the bottom rear side of the processing shell 201. A small extraction fan 204 is fixedly installed on the rear side of the flow shell 203, so that when the small extraction fan 204 is started, it can extract airflow through the flow shell 203, and then guide airflow and dust particles through the extraction pipe 205 and the extraction head 206. The front side of the top wall of the processing shell 201 is connected to the extraction pipe 205, and the bottom end of the extraction pipe 205 is connected to the extraction head 206. The outer wall of the extraction head 206 is fixedly connected to the middle of the top wall of the connecting plate 3.
[0033] The top outer wall of the connecting plate 3 is provided with an installation component 207, which includes multiple bolts 2071, so that the installation plate 2072 can be installed and fixed by the rotation of the bolts 2071. The outer walls of the multiple bolts 2071 are respectively threaded to the outer side of the top wall of the same connecting plate 3. The end of the bolt 2071 is threaded to the installation plate 2072. Through the friction between the conductive fiber brush 2073 and the dust particles, the brush bristles are made to have a weak static electricity, which actively adsorbs the tiny dust particles and improves the dust cleaning effect. The bottom wall of the installation plate 2072 is fixedly connected to the conductive fiber brush 2073.
[0034] Specifically, the filter plate 202, which is slidably connected to the inner wall of the processing housing 201, can prevent the extracted dust particles from entering the interior of the small extraction fan 204, thus enabling the processing housing 201 to complete dust collection. The gripping component 208 on the top rear side of the filter plate 202 facilitates the disassembly and cleaning of the filter plate 202. The guide shell 203, which is connected to the bottom rear side of the processing housing 201, is connected to the small extraction fan 204 fixed on the rear side. After the small extraction fan 204 is started, it generates suction, which guides the airflow and dust particles to the processing housing through the guide shell 203, the extraction pipe 205, and the extraction head 206. Inside 201, the connecting plate 3 is fixed to the inner wall of the fixed shell 1. The mounting assembly 207 on its top wall consists of multiple bolts 2071 and a mounting plate 2072. The bolts 2071 are threaded to the outer side of the top wall of the connecting plate 3, and their ends are connected to the mounting plate 2072. Rotating the bolts 2071 can fix the mounting plate 2072. The conductive fiber brush 2073 fixed to the bottom wall of the mounting plate 2072 generates weak static electricity by rubbing against dust particles during the cleaning process. It actively adsorbs tiny dust particles, improves the cleaning effect, effectively reduces dust scattering during cleaning, and achieves efficient cleaning.
[0035] Reference Figure 1 , Figure 2 and Figure 5 The replacement mechanism 4 includes multiple flip plates 401, with adjacent sides of each flip plate 401 rotatably connected to the upper and lower sides of the fixed housing 1. A positioning post 402 is fixedly connected to one side of each flip plate 401, allowing the positioning post 402 to deflect as the flip plate 401 rotates, thereby locking or disengaging the corresponding locking hole 406. Multiple engaging grooves 403 are fixedly connected to the upper and lower sides of the fixed housing 1, and two replacement grooves 404 are provided on the left and right sides of the fixed housing 1, allowing the replacement brush 405 to push the replacement mechanism. This allows the replacement slot 404 to initially engage with the replacement brush 405. Two replacement brushes 405 are provided on each of the left and right sides of the fixed housing 1. The adjacent sides of the multiple replacement brushes 405 engage with the corresponding replacement slots 404. Two locking holes 406 are provided on the opposite sides of the multiple replacement brushes 405. One end of the multiple positioning pins 402 passes through the engagement slots 403 and engages with the corresponding locking holes 406, thereby completing the installation of the replacement brushes 405. Conversely, it can be disassembled, improving the flexibility of the device during use.
[0036] Specifically, the replacement mechanism 4 on the left and right sides of the fixed housing 1 achieves quick replacement of the cleaning brush through the engaging structure of the flip plate 401, the positioning post 402, and the replacement brush 405. Multiple flip plates 401 are rotatably connected on the upper and lower sides of the fixed housing 1. The positioning post 402 fixed on one side can deflect as the flip plate 401 rotates. When the replacement brush 405 is inserted into the replacement slot 404, the replacement slot 404 initially engages it. At this time, rotating the flip plate 401 causes the positioning post 402 to pass through the engaging slot 403 and be inserted into the locking hole 406 on the opposite side of the replacement brush 405, thus completing the locking installation of the replacement brush 405. Reverse rotation of the flip plate 401 separates the positioning post 402 from the locking hole 406, allowing the replacement brush 405 to be disassembled. This achieves quick replacement of worn cleaning brushes without tools, improving the flexibility of the device and maintenance efficiency.
[0037] Reference Figure 1 , Figure 4 and Figure 5 The grip assembly 208 includes a grip rod 2081, the bottom wall of which is fixedly connected to the rear side of the top wall of the filter plate 202. A rubber shell 2082 is fixedly connected to the middle of the grip rod 2081. A hidden groove 2083 is provided on the rear top side of the processing shell 201. The front side of the grip rod 2081 engages with the hidden groove 2083. A control switch 6 is fixedly connected to the front side of the top wall of the handle 5. The control switch 6 is electrically connected to the small extraction fan 204. A rubber sleeve 7 is fixedly connected to the outer wall of the handle 5. A rubber ring 209 is fixedly connected to the front end of the outer wall of the extraction tube 205.
[0038] Specifically, the engagement of the handle 2081 with the concealed groove 2083 allows the handle 2081 to be concealed, improving the fixation effect of the filter plate 202 and reducing the risk of damage to the handle 2081. The control switch 6, which is electrically connected to the small extraction fan 204, enables the equipment to be turned on and off. The rubber ring 209 protects the connection at the bottom of the extraction tube 205.
[0039] Reference Figure 1 , Figure 2 and Figure 3 The mounting assembly 207 also includes multiple rubber rings 2074, the inner walls of which are fixedly connected to the upper middle part of the bolt 2071; a hanging ring 8 is rotatably connected to the rear side of the handle 5, and a protective ring 9 is fixedly connected to the rear side of the hanging ring 8.
[0040] Specifically, the rubber ring 2074 can reduce the rotational damage to the connecting plate 3 caused by the bolt 2071 during use, the hanging ring 8 can facilitate the concealment and storage of the cleaning brush, and the protective ring 9 can protect the inner wall of the hanging ring 8.
[0041] Working principle: By starting the small extraction fan 204, it generates suction, which is guided through the guide shell 203, extraction pipe 205 and extraction head 206 fixed in the middle of the top wall of the connecting plate 3. This guides the cleaned airflow and dust particles into the treatment shell 201. The filter plate 202, which is slidably connected to the inner wall of the treatment shell 201, intercepts the dust particles and completes the unified collection of dust particles. The mounting plate 2072 is fixed by rotating the bolt 2071. The conductive fiber brush 2073 on the bottom wall of the mounting plate 2072 generates weak static electricity by rubbing against the dust particles during cleaning. This actively adsorbs the tiny dust particles, preventing dust from scattering, reducing secondary dust pollution, preventing dust from re-adhering, and improving the cleaning effect.
[0042] Furthermore, by rotating multiple flip plates 401, the positioning post 402 fixed on one side can deflect as the flip plate 401 rotates, allowing it to separate from or lock with the corresponding locking hole 406. When installing the replacement brush 405, the replacement brush 405 is pushed into the replacement groove 404, where it is initially engaged and fixed. Then, by rotating the flip plate 401, the positioning post 402 deflects and passes through the engagement groove 403, inserting into the locking hole 406 on the opposite side of the replacement brush 405, achieving a secondary locking and fixing of the replacement brush 405. During disassembly, by rotating the flip plate 401 in the opposite direction, the positioning post 402 separates from the locking hole 406, allowing the replacement brush 405 to be pulled out of the replacement groove 404. This replacement mechanism 4, through its double engagement structure and flipping operation, allows for quick installation and disassembly of the replacement brush 405 without tools, meeting the cleaning brush replacement needs in different usage scenarios and effectively improving the flexibility and convenience of the device's cleaning operations.
[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A dust filter cleaning brush for photovoltaic equipment, comprising a fixed housing (1), characterized in that: The top of the fixed shell (1) is provided with a extraction mechanism (2), the inner wall of the fixed shell (1) is fixedly connected with a connecting plate (3), the left and right sides of the fixed shell (1) are provided with a replacement mechanism (4), and the rear side of the fixed shell (1) is fixedly connected with a handle (5). The extraction mechanism (2) includes a processing shell (201), the bottom of which is fixedly connected to the top middle of the fixed shell (1). A filter plate (202) is slidably connected to the inner wall of the processing shell (201). A gripping component (208) is provided on the top rear side of the filter plate (202). A flow guide shell (203) is connected to the bottom rear side of the processing shell (201). A small extraction fan (204) is fixedly installed on the rear side of the flow guide shell (203). An extraction pipe (205) is connected to the front side of the top wall of the processing shell (201). An extraction head (206) is connected to the bottom end of the extraction pipe (205). The outer wall of the extraction head (206) is fixedly connected to the middle of the top wall of the connecting plate (3). An installation component (207) is provided on the outer wall of the top wall of the connecting plate (3).
2. The photovoltaic equipment dust filter cleaning brush according to claim 1, characterized in that: The replacement mechanism (4) includes multiple flip plates (401). The adjacent sides of the multiple flip plates (401) are rotatably connected to the upper and lower sides of the fixed shell (1). A positioning post (402) is fixedly connected to one side of each of the multiple flip plates (401). Multiple engaging grooves (403) are fixedly connected to the upper and lower sides of the fixed shell (1). Two replacement grooves (404) are opened on the left and right sides of the fixed shell (1). Two replacement brushes (405) are provided on the left and right sides of the fixed shell (1). The adjacent sides of the multiple replacement brushes (405) are engaged with the corresponding replacement grooves (404). Two locking holes (406) are opened on the opposite sides of the multiple replacement brushes (405). One end of each of the multiple positioning posts (402) passes through the engaging grooves (403) and engages with the corresponding locking holes (406).
3. The photovoltaic equipment dust filter cleaning brush according to claim 1, characterized in that: The mounting assembly (207) includes a plurality of bolts (2071), the outer walls of which are threaded to the outer side of the top wall of the same connecting plate (3), and the ends of the bolts (2071) are threaded to a mounting plate (2072), and the bottom wall of the mounting plate (2072) is fixedly connected to a conductive fiber brush (2073).
4. The photovoltaic equipment dust filter cleaning brush according to claim 1, characterized in that: The grip assembly (208) includes a grip rod (2081), the bottom wall of which is fixedly connected to the rear side of the top wall of the filter plate (202), a rubber shell (2082) is fixedly connected to the middle part of the grip rod (2081), a hidden groove (2083) is provided on the rear top of the processing shell (201), and the front side of the grip rod (2081) engages with the hidden groove (2083).
5. The photovoltaic equipment dust filter cleaning brush according to claim 1, characterized in that: A control switch (6) is fixedly connected to the front side of the top wall of the handle (5), and the control switch (6) is electrically connected to the small extraction fan (204).
6. The photovoltaic equipment dust filter cleaning brush according to claim 1, characterized in that: A rubber sleeve (7) is fixedly connected to the outer wall of the handle (5), and a rubber ring (209) is fixedly connected to the front end of the outer wall of the extraction tube (205).
7. The photovoltaic equipment dust filter cleaning brush according to claim 3, characterized in that: The mounting assembly (207) also includes a plurality of rubber rings (2074), the inner walls of which are respectively fixedly connected to the upper middle part of the bolt (2071).
8. The dust filter cleaning brush for photovoltaic equipment according to claim 1, characterized in that: A hanging ring (8) is rotatably connected to the rear side of the handle (5), and a protective ring (9) is fixedly connected to the rear side of the hanging ring (8).