Negative pressure cleaning device

Abstract

The utility model relates to the technical field of photovoltaic panel surface cleaning, and discloses a negative pressure cleaning device which comprises a main body shell, a negative pressure suction component and a sweeping mechanism. The negative pressure suction component is installed on the main body shell and used for providing negative pressure for the interior of the main body shell. The cleaning mechanism comprises a brush body; the brush body is mounted in the main body shell; a circle of sealing strip is mounted at the port of the main body shell; when the photovoltaic panel is cleaned, the port of the main body shell is buckled on the panel surface of the photovoltaic panel through the sealing strip to form a cavity, the brush body of the cleaning mechanism performs cleaning action in the cavity, and generated dust, stains and the like are restrained by the cavity and cannot fly to the external environment; meanwhile, the negative pressure suction part can provide negative pressure for the interior of the main body shell, and dust, stains and the like of the main body shell can be further prevented from flying out of the main body shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic panel cleaning technical field more particularly, relate to a kind of negative pressure cleaning device. BACKGROUND

[0002] Since photovoltaic panel is installed in outdoor, with the increase of use time, it is inevitable to contaminate dust, affect the power generation efficiency of photovoltaic panel, at present, the way of cleaning photovoltaic panel at home and abroad mainly has high-pressure water gun cleaning plus artificial cleaning, robot cleaning, special cleaning vehicle, and artificial cleaning has high cost, low efficiency and certain dangerousness, and robot cleaning is the main way of cleaning photovoltaic panel at present.

[0003] The application patent application with the application publication number CN115990895A discloses a photovoltaic robot, which comprises a mobile chassis, a walking assembly arranged on the mobile chassis and used to drive the mobile chassis to move along a working surface, a cleaning assembly arranged at the front and rear ends of the mobile chassis, the cleaning assembly comprising a roller brush cleaning mechanism and a scraper located at the rear side of the roller brush cleaning mechanism, the scraper being adapted to be attached to the working surface to scrape off stains on the surface of the working surface, a water outlet assembly arranged at least in one group, each group of the water outlet assembly comprising a plurality of spaced-apart water outlets, the water outlet assembly being arranged at the front side, the upper side or the rear side of the cleaning assembly located at the front end of the mobile chassis, the water outlet assembly being used to spray water towards the working surface and / or the roller brush cleaning mechanism, and a controller electrically connected with the walking assembly and the cleaning assembly, the controller being capable of sending electrical signals to the walking assembly and the cleaning assembly to control the working of the walking assembly and the cleaning assembly.

[0004] The above scheme uses a roller brush to clean the photovoltaic panel, and the roller brush can splash some stains when rotating, although a cover is usually installed outside the roller brush to block the splashed stains, but it cannot block some floating dust particles, and after the roller brush cleaning, the floating dust particles will fall on the cleaned photovoltaic panel, which seriously affects the cleaning quality of the photovoltaic panel. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art, and provides a negative pressure cleaning device to solve the technical problem that after the roller brush cleaning, some floating dust particles will fall on the cleaned photovoltaic panel, which seriously affects the cleaning quality of the photovoltaic panel.

[0006] The utility model takes the technical scheme of a kind of negative pressure cleaning device, including main body shell, negative pressure suction component and cleaning mechanism;The negative pressure suction component is installed on main body shell, for providing negative pressure in main body shell interior;The cleaning mechanism includes brush body, and the brush body is installed in main body shell;Main body shell port is installed with a circle of closed strip.

[0007] When cleaning the photovoltaic panel, the main body shell port is buckled on the panel surface of the photovoltaic panel by the sealing strip to form a closed chamber, and the brush body of the cleaning mechanism performs a cleaning action in the chamber, and the dust and stains generated are restrained by the chamber and cannot fly to the external environment. At the same time, the negative pressure suction component can provide negative pressure for the inside of the main body shell, which can further prevent the dust and stains of the main body shell from flying out of the main body shell.

[0008] Further, the main body shell is provided with a ladder wheel at each end. When cleaning the photovoltaic panel, the ladder wheel serves as a support to allow the sealing strip to have a small gap with the photovoltaic panel, or to be directly buckled on the panel surface of the photovoltaic panel for full-closed cleaning. The ladder wheel can prevent the sealing strip from being excessively pressed between the main body shell and the photovoltaic panel, causing deformation and leading to sealing failure, thereby effectively improving the service life of the sealing strip.

[0009] Further, the main body shell port is rectangular, the sealing strip includes horizontal strips and vertical strips, the horizontal strips are respectively arranged on the two horizontal edges of the main body shell port, the vertical strips are respectively arranged on the two vertical edges of the main body shell port, and adjacent horizontal strips and vertical strips are in contact. The rectangular main body shell port is more convenient for installing the brush body, and the horizontal strips and the vertical strips are in contact to uniformly surround the main body shell port.

[0010] Further, at least one of the vertical strips and the horizontal strips is a rubber cotton strip. The rubber cotton strip has good cleaning ability on the smooth panel surface of the photovoltaic panel without water, and the friction is relatively small after the rubber cotton strip contacts the photovoltaic panel without water, facilitating movement and cleaning.

[0011] Further, the cleaning mechanism further includes a driving structure, the driving structure is installed on the main body shell, and the driving structure is used to drive the brush body to reciprocate forward and backward in the main body shell. In this scheme, the brush body reciprocates forward and backward multiple times during cleaning, and the photovoltaic panel can be cleaned multiple times in unit time, so that the cleaning performance is stronger and the stain removal ability is stronger.

[0012] Further, the driving structure includes a reduction motor, a connecting rod and a linear displacement assembly; the brush body is movably installed in the main body shell through the linear displacement assembly; the reduction motor is installed on the main body shell, an eccentric wheel is installed on the output shaft of the reduction motor, the eccentric shaft of the eccentric wheel is rotatably connected to one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the brush body. The linear displacement assembly mainly serves as a limiting function to limit the path of the linear motion of the brush body forward and backward.

[0013] Further, the straight line displacement assembly comprises a limiting block, a fixed block and a roller; the limiting block is fixed on the main body shell, the fixed block is fixed on the brush body, the roller is installed on the fixed block, the roller is arranged in the wheel groove in the limiting block, and the roller is in rolling fit with the wheel groove in the limiting block.

[0014] Further, the negative pressure suction component is installed on the main body shell, and the port for generating negative pressure of the negative pressure suction component is communicated with the two sides of the interior of the main body shell through two fan pipelines. Mainly, uniform negative pressure is provided on the two sides of the main body shell, so that better negative pressure suction effect is achieved.

[0015] Further, the discharge end of the negative pressure suction component is provided with a dust removal assembly, and the dust removal assembly is used for filtering dust in exhaust gas of the negative pressure suction component.

[0016] Further, the connecting handle is installed on the main body shell and is provided with two connecting handles on the two sides of the main body shell. The negative pressure plate cleaning device can be installed on a cleaning robot or other cleaning equipment through the connecting handle, so that the cleaning device is convenient to move.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: when the photovoltaic panel is cleaned, the main body shell port is buckled on the photovoltaic panel surface through the sealing strip to form a chamber, the brush body of the cleaning mechanism performs a cleaning action in the chamber, and dust stains generated are restrained in the chamber and cannot fly to the external environment; meanwhile, the negative pressure suction component can provide negative pressure for the interior of the main body shell, so that the dust stains in the main body shell are further prevented from flying out of the main body shell.

[0018] At present, the roller type brush is usually used in the prior art, and the brush is in one-time rolling cleaning mode on the photovoltaic panel during cleaning, and the cleaning effect is not ideal. In the scheme, the brush body is a plate brush, the brush body reciprocates forward and backward multiple times during cleaning, the photovoltaic panel can be cleaned multiple times in unit time, the cleaning performance is stronger, and the stain removal capacity is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a whole structure schematic view of the utility model.

[0020] Fig. 2 It is a structure schematic view of the straight line displacement assembly in the utility model.

[0021] Fig. 3 It is a structure schematic view of the connecting frame and the connecting handle in the utility model.

[0022] In the figure: 1, the main body shell; 2, cleaning mechanism; 3, brush body; 4, closed strip; 5, horizontal strip; 6, vertical strip; 7, drive structure; 8, linear displacement assembly; 9, limit block; 10, fixed block; 11, roller; 12, negative pressure suction component; 13, fan pipeline; 14, ladder wheel; 15, connecting frame; 16, connecting handle; 17, speed reducer motor; 18, protective shell; 19, connecting rod. DETAILED DESCRIPTION

[0023] The drawings of the utility model are only used for example description, and cannot be understood as the limitation of the utility model. In order to better illustrate the following embodiments, some components in the drawings can be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some well-known structures in the drawings and their description can be omitted.

[0024] As Figs. 1-3 shown, the utility model discloses a kind of negative pressure cleaning device, the utility model is mainly used for cleaning photovoltaic panel cleaning robot, including main body shell 1, main body shell 1 is provided with connecting frame 15, connecting frame 15 two sides are fixedly connected with two connecting handles 16, by connecting handle 16 can be installed on cleaning robot or other cleaning equipment with this photovoltaic panel cleaning device, mobile cleaning can be carried out, connecting frame 15 can effectively enhance the connection strength of connecting handle 16 and main body shell.

[0025] It further includes cleaning mechanism 2, cleaning mechanism 2 includes brush body 3, brush body 3 is installed in main body shell 1, and one circle closed strip 4 is installed in the port of main body shell 1, when cleaning photovoltaic panel, the port of main body shell 1 is buckled on photovoltaic panel surface by closed strip 4, to form closed chamber in its interior. When cleaning, brush body 3 acts in the closed chamber formed by main body shell 1 and photovoltaic panel, and the cleaning quality can be effectively guaranteed, because the splashed stain and some floating dust small particles are completely blocked in closed chamber and cannot fall on cleaned photovoltaic panel.

[0026] The port of main body shell 1 is rectangular, and closed strip 4 includes horizontal strip 5 and vertical strip 6, horizontal strip 5 is arranged on the two horizontal edges of the port of main body shell 1 respectively, and vertical strip 6 is arranged on the two longitudinal edges of the port of main body shell 1 respectively, and adjacent horizontal strip 5 and vertical strip 6 are in contact. The rectangular main body shell 1 is more convenient for installing brush body 3, and the closed strip 5 and the closed strip 6 are in contact with each other to realize the closure between the main body shell 1 and the photovoltaic panel.

[0027] The horizontal strip 5 close to the front and rear ends of the main body shell 1 is a rubber cotton strip, and the rubber cotton strip has good cleaning ability on the smooth photovoltaic panel surface without water. In addition, the friction force is relatively small after the rubber cotton strip contacts the photovoltaic panel.

[0028] The cleaning mechanism 2 further comprises a driving structure 7 mounted on the main body shell 1, the driving structure 7 being arranged in the protective shell 18 and being configured to drive the brush body 3 to reciprocate in the main body shell 1. At present, the roller brush is commonly used in the prior art, and the cleaning effect is not ideal because the roller brush is cleaned by rolling on the photovoltaic panel. In the present scheme, the brush body 3 is a plate brush, and the brush body 3 reciprocates multiple times during cleaning, so that the photovoltaic panel can be cleaned multiple times in a unit of time, and the cleaning performance and stain removal ability are improved.

[0029] The driving structure 7 comprises a speed reducer 17, a connecting rod 19 and a linear displacement assembly 8. The speed reducer 17 is mounted on the main body shell 1 and is movably connected to the brush body 3 through the connecting rod 19. Specifically, an eccentric wheel is mounted on the output shaft of the speed reducer 17, the eccentric shaft of the eccentric wheel is rotatably connected to one end of the connecting rod 19, and the other end of the connecting rod 19 is rotatably connected to the brush body 3. The brush body 3 is mounted in the main body shell 1 through the linear displacement assembly 8, and the linear displacement assembly 8 enables the brush body 3 to linearly displace in the main body shell 1. The linear displacement assembly 8 mainly functions as a limiting part to limit the linear displacement path of the brush body 3. Under the limitation of the linear displacement assembly 8, the speed reducer 17 drives the connecting rod 19 to drive the brush body 3 to linearly displace, so that the brush body 3 can clean the photovoltaic panel multiple times.

[0030] The linear displacement assembly 8 comprises a limiting block 9, a fixed block 10 and a roller 11. The fixed block 10 is fixed to the brush body 3, and the roller 11 is mounted on the fixed block 10 and arranged in the wheel groove of the limiting block 9. The roller 11 is in rolling contact with the wheel groove of the limiting block 9.

[0031] The cleaning mechanism 2 further comprises a negative pressure suction component 12 mounted on the main body shell 1 and communicating with the inside of the main body shell 1 through a fan duct 13. The negative pressure suction component 12 generates negative pressure in the main body shell 1, so that the main body shell 1 can be firmly buckled on the photovoltaic panel and the adhesion of the main body shell 1 can be improved. The negative pressure suction component 12 is preferably a turbine centrifugal fan, and other fans or other devices capable of generating negative pressure can also be used.

[0032] A dust removal assembly is mounted on the discharge end of the negative pressure suction component 12, and a dust removal filter bag is used in the dust removal assembly. The dust removal filter bag is used to filter dust in the gas discharged by the negative pressure suction component 12. The dust and stains in the main body shell 1 can be sucked out by the negative pressure suction component 12, and the dust discharged can be filtered by the dust removal filter bag, so that the splashing of dust and stains in the main body shell 1 is reduced to ensure the cleaning quality, and the discharged gas can be prevented from carrying dust and stains to pollute the surrounding air and the surface of the cleaned photovoltaic panel.

[0033] Also included are ladder wheels 14, which are installed at both ends of the main body shell 1, and which roll along the surface of the photovoltaic panel during cleaning.

[0034] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the technical solutions of the present application, and are not intended to limit the specific implementation manners of the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A negative pressure cleaning device, characterized by: The utility model relates to a kind of vacuum cleaner, including main body shell (1), negative pressure suction component (12) and cleaning mechanism (2); Said negative pressure suction component (12) is installed on main body shell (1), for providing negative pressure inside main body shell (1); Said cleaning mechanism (2) includes brush body (3), and the brush body (3) is installed in main body shell (1); The port of the main body shell (1) is installed with a closed strip (4).

2. The negative pressure cleaning device of claim 1, wherein: The main body shell (1) is respectively installed with ladder wheel (14) at both ends.

3. The negative pressure cleaning device of claim 1, wherein: The port of the main body shell (1) is rectangular, and the closed strip (4) includes horizontal strip (5) and vertical strip (6), the horizontal strip (5) is respectively arranged on the two horizontal edges of the port of the main body shell (1), and the vertical strip (6) is respectively arranged on the two vertical edges of the port of the main body shell (1), and adjacent horizontal strip (5) and vertical strip (6) are in contact.

4. A negative pressure cleaning device according to claim 3, wherein: At least one of the vertical strip (6) and the horizontal strip (5) is a cotton wool strip.

5. The negative pressure cleaning device of claim 1, wherein: Said cleaning mechanism (2) further includes driving structure (7), and the driving structure (7) is installed on the main body shell (1), and the driving structure (7) is used for driving the brush body (3) to reciprocate forward and backward in the main body shell (1).

6. A negative pressure cleaning device according to claim 5, wherein: Said driving structure (7) includes a reduction motor (17), a connecting rod (19) and a linear displacement assembly (8); Said brush body (3) is movably installed in the main body shell (1) by the linear displacement assembly (8); Said reduction motor (17) is installed on the main body shell (1), and an eccentric wheel is installed on the output shaft of the reduction motor (17), the eccentric shaft of the eccentric wheel is rotatably connected to one end of the connecting rod (19), and the other end of the connecting rod (19) is rotatably connected to the brush body (3).

7. A negative pressure cleaning device according to claim 6, wherein: Said linear displacement assembly (8) includes a limiting block (9), a fixed block (10) and a roller (11); Said limiting block (9) is fixed on the main body shell (1), the fixed block (10) is fixed on the brush body (3), the roller (11) is installed on the fixed block (10), the roller (11) is arranged in the wheel groove of the limiting block (9), and the roller (11) is in rolling contact with the wheel groove in the limiting block (9).

8. A negative pressure cleaning device according to any one of claims 1-7, characterized in that: Said negative pressure suction component (12) is installed on the main body shell (1), and the port of the negative pressure suction component (12) generating negative pressure is communicated with the inside of the main body shell (1) through two fan ducts (13).

9. A negative pressure cleaning device according to claim 8, wherein: A dust removal assembly is installed at the discharge end of the negative pressure suction component (12), and the dust removal assembly is used for filtering dust in the exhaust gas of the negative pressure suction component (12).

10. The negative pressure cleaning device of claim 8, wherein: Further including connecting handle (16), the connecting handle (16) is installed on the main body shell (1), and two are provided on both sides of the main body shell (1).

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