Photovoltaic panel with matching cleaning accessory

Abstract

The application provides a photovoltaic panel with a matching cleaning accessory, and relates to the technical field of photovoltaic technology. The photovoltaic panel comprises a main support frame, a photovoltaic panel arranged at the bottom of the main support frame, and a motor installed at the bottom end of the main support frame. A transmission screw is connected to the inside of the main support frame, and the driving shaft of the motor is connected to the transmission screw. An active middle frame is connected to the outside of the main support frame and is centrally arranged at the top of the photovoltaic panel. The application can flexibly adjust the positions of the left and right active end frames according to the differences in the widths of photovoltaic panels of different specifications, can meet the matching cleaning requirements of photovoltaic panels of various specifications, and has excellent practicability. The application solves the problem that the current photovoltaic panel cleaning operation mainly relies on a rotating brush to remove surface dirt. Since the length of the brush needs to be customized according to the width of the photovoltaic panel, the brush can only be used for cleaning photovoltaic panels of specific specifications, which limits the use range of the brush to a certain extent.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic cleaning, and particularly relates to a photovoltaic panel with a matched cleaning accessory. BACKGROUND

[0002] With the increasing demand for clean energy worldwide, solar energy as a renewable energy has been widely used. As the core equipment of solar power generation, the conversion efficiency and long-term stable operation of the photovoltaic panel are crucial to the performance of the entire photovoltaic power generation system. However, in practical application, the cleaning problem of the photovoltaic panel has always been one of the important factors affecting its power generation efficiency.

[0003] Current photovoltaic panel cleaning operations mainly rely on rotating brushes to remove surface dirt. Although the brush cleaning system performs well in cleaning effect, it also has some shortcomings. The friction between the brush and the surface of the photovoltaic panel can easily cause wear and tear to the battery sheet, affecting the photoelectric conversion effect of the photovoltaic panel. Since the length of the brush needs to be customized according to the width of the photovoltaic panel, it can only be used for cleaning photovoltaic panels of specific specifications, which limits its range of use to some extent. SUMMARY

[0004] In a first aspect, the present application provides a photovoltaic panel with a matched cleaning accessory, which specifically comprises a main support frame, a motor, a transmission screw, a movable middle frame, a movable end frame, a roller, a flow guide pipe group, a second hose and a pulley. The bottom of the main support frame is provided with a photovoltaic panel, and the main support frame is located at the top of the photovoltaic panel. The bottom end of the main support frame is provided with a motor, and the inside of the main support frame is connected with a transmission screw. The driving shaft of the motor is connected with the transmission screw. The outside of the main support frame is connected with a movable middle frame, which is centrally located at the top of the photovoltaic panel. The two ends of the movable middle frame are connected with movable end frames, which are symmetrically located at the two ends of the top of the photovoltaic panel. The inside of the movable end frame is connected with two rollers. The top of the movable middle frame is provided with a flow guide pipe group, which is connected with the movable end frame. The top of the movable middle frame is connected with a second hose, which is connected with the flow guide pipe group. The top end of the movable middle frame is connected with a pulley.

[0005] Further, the main support frame is symmetrically provided with a crossbar inside, and the movable middle frame is symmetrically provided with a guide hole inside. The crossbar is slidably penetrated into the guide hole of the movable middle frame. The movable middle frame is moved and guided through the sliding fit between the guide hole and the crossbar.

[0006] Further, the transmission screw is rotatably connected with the main support frame, and the inside of the movable middle frame is provided with a screw hole. The transmission screw is threadedly connected in the screw hole.

[0007] Further, the movable end frame end is U-shaped, the movable end frame is in sliding contact with the left and right ends of the photovoltaic panel, the roller rotates in the U-shaped groove at the end of the movable end frame, the roller is in rolling contact with the photovoltaic panel, when it is necessary to clean the dust attached to the top of the photovoltaic panel, the motor drives the transmission screw to rotate, the transmission screw drives the movable middle frame to move along the horizontal rod, the movable middle frame drives the left and right movable end frames to move synchronously, the roller is in rolling contact with the side of the photovoltaic panel, and the friction coefficient between the movable end frame and the photovoltaic panel is reduced.

[0008] Further, the movable middle frame is externally provided with a sliding hole A, and the movable end frame is internally provided with a guide rod B which is slidingly penetrated into the sliding hole A of the movable middle frame.

[0009] Further, the movable middle frame is internally provided with a guide rod A, and the movable end frame is externally provided with a sliding hole B which is slidingly penetrated into the sliding hole B of the movable end frame, the guide rod A and the sliding hole B are slidingly matched to guide the movement of the movable end frame.

[0010] Further, the guide rod A is externally sleeved with a spring, one end of the spring is in contact with the movable middle frame, and the other end of the spring is in contact with the movable end frame, the spring is used for elastically resetting the movable end frame, the left and right movable end frames can be adjusted according to the different widths of photovoltaic panels of different specifications, the interval distance between the left and right movable end frames is changed, the movable end frame is inwardly moved under the influence of the spring thrust force, and the roller is in close contact with the photovoltaic panel.

[0011] Further, the movable middle frame is externally provided with a sliding hole A, and the movable end frame is internally provided with a guide rod B which is slidingly penetrated into the sliding hole A of the movable middle frame.

[0012] Further, the guide rod A is externally sleeved with a spring, one end of the spring is in contact with the movable middle frame, and the other end of the spring is in contact with the movable end frame, the spring is used for elastically resetting the movable end frame, the left and right movable end frames can be adjusted according to the different widths of photovoltaic panels of different specifications, the interval distance between the left and right movable end frames is changed, the movable end frame is inwardly moved under the influence of the spring thrust force, and the roller is in close contact with the photovoltaic panel.

[0013] Further, the second soft pipe water inlet end is communicated with a water supply pipe, the second soft pipe is communicated with the flow guide pipe group, the second soft pipe is externally provided with a counterweight, the pulley is rotatable relative to the main support frame, the second soft pipe is in rolling contact with the pulley, when the flow guide pipe group is gradually moved downward, the flow guide pipe group drives the second soft pipe to move forward, the second soft pipe drives the counterweight to move upward, when the flow guide pipe group is gradually moved upward, the second soft pipe is moved backward under the influence of the gravity of the counterweight, and the second soft pipe is kept in a taut stressed state.

[0014] The photovoltaic panel with the matched cleaning accessory has the following beneficial effects:

[0015] In use, the present application guides the movement of the movable middle frame through the sliding fit between the guide hole and the cross rod; when it is necessary to clean the dust attached to the top of the photovoltaic panel, the motor drives the transmission screw to rotate, thereby driving the movable middle frame to move along the cross rod, and the movable middle frame synchronously drives the left and right movable end frames to move, the rollers roll in contact with the side edges of the photovoltaic panel, thereby reducing the friction coefficient between the movable end frame and the photovoltaic panel; at the same time, the movable middle frame and the movable end frame drive the upper flow guide pipe group to move, and the spray head sprays water flow, effectively cleaning the dust on the top of the photovoltaic panel and ensuring the photoelectric conversion effect of the photovoltaic panel.

[0016] In addition, through the sliding fit of the guide rod B and the sliding hole A, and the sliding cooperation of the guide rod A and the sliding hole B, stable and precise movement guidance is provided for the movable end frame, and an elastic return force is applied to the movable end frame by the spring; in view of the difference in width of photovoltaic panels of different specifications, the positions of the left and right movable end frames can be flexibly adjusted, so as to change the interval distance therebetween, and under the pushing force of the spring, the movable end frame moves inward, so that the rollers can closely fit the surface of the photovoltaic panel, thereby having excellent universal performance and being able to meet the cleaning needs of photovoltaic panels of various specifications, and showing excellent flexibility and practicality.

[0017] In addition, the number of the first hose, the tee joint and the spray head can be flexibly adjusted according to the different interval distances between the left and right movable end frames, and in specific operation, the first hose, the tee joint and the spray head are reasonably combined and fixedly installed on the movable middle frame and the movable end frame, so as to meet the actual needs of photovoltaic panel cleaning applications; when the flow guide pipe group slowly moves downward, it will pull the second hose to stretch forward, and simultaneously drive the counterweight to rise, and conversely in the process of moving upward of the flow guide pipe group, the second hose is pulled back under the gravity of the counterweight, so as to ensure that the second hose is always in a taut state, effectively preventing the problem of winding of the second hose, thereby ensuring the smooth movement of the movable support and improving the stability and reliability of the entire operation.

[0018] Other advantages, objects and features of the present application will be partly embodied in the following description, and partly understood by those skilled in the art through research and practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings in the following description only relate to some embodiments of the present application, and are not a limitation on the present application.

[0021] In the drawings:

[0022] Figure 1The application shows the overall top shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0023] Figure 2 The application shows the main support frame shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0024] Figure 3 The application shows the movable middle frame and movable end frame connecting structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0025] Figure 4 The application shows the movable middle frame and movable end frame split structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0026] Figure 5 The application shows the movable middle frame shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0027] Figure 6 The application shows the movable end frame shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory;

[0028] Figure 7 The application shows the guide pipe group bottom shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory; Figure 8 The application shows the second hose shaft side structure schematic diagram of the photovoltaic panel with the matched cleaning accessory.

[0029] The list of reference signs 1, main support frame; 11, horizontal rod; 2, motor; 3, transmission screw; 4, movable middle frame; 41, guide hole; 42, screw hole; 43, guide rod A; 44, sliding hole A; 45, pipe frame A; 5, movable end frame; 51, guide rod B; 52, sliding hole B; 53, pipe frame B; 6, roller; 7, spring; 8, guide pipe group; 81, first hose; 82, tee joint; 83, spray head; 9, second hose; 91, counterweight; 10, pulley. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the technical scheme of the embodiments of the application will be described clearly and completely below with reference to the drawings of the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments of the application. Based on the described embodiments of the application, all other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the application.

[0031] Please refer to Figures 1 to 8: Embodiment one: the application provides a photovoltaic panel with a matching cleaning accessory, which comprises a main support frame 1, a motor 2, a transmission screw rod 3, a movable middle frame 4, a movable end frame 5, a roller 6, a flow guide pipe group 8, a second hose 9 and a pulley 10; the main support frame 1 is provided with a photovoltaic panel at the bottom, and the main support frame 1 is located at the top of the photovoltaic panel; the motor 2 is installed at the bottom end of the main support frame 1, and the transmission screw rod 3 is connected inside the main support frame 1; the driving shaft of the motor 2 is connected with the transmission screw rod 3; the movable middle frame 4 is connected outside the main support frame 1 and is located at the center of the top of the photovoltaic panel; the movable end frame 5 is connected at both ends of the movable middle frame 4, and the two movable end frames 5 are symmetrically located at both ends of the top of the photovoltaic panel; the roller 6 is connected inside the movable end frame 5; the flow guide pipe group 8 is installed at the top of the movable middle frame 4 and is connected with the movable end frame 5; the second hose 9 is connected at the top of the movable middle frame 4 and is connected with the flow guide pipe group 8, and the pulley 10 is connected at the top end of the movable middle frame 4.

[0032] In the embodiment of the application, the horizontal rods 11 are symmetrically arranged in the main support frame 1, the guide holes 41 are symmetrically arranged in the movable middle frame 4, and the horizontal rods 11 slide through the guide holes 41; the transmission screw rod 3 is rotationally connected with the main support frame 1, the screw holes 42 are arranged in the movable middle frame 4, and the transmission screw rod 3 is threadedly connected in the screw holes 42; the end part of the movable end frame 5 is U-shaped, the movable end frame 5 is in sliding contact with the left and right ends of the photovoltaic panel, the roller 6 is rotationally arranged in the U-shaped groove at the end part of the movable end frame 5, and the roller 6 is in rolling contact with the photovoltaic panel; the movable middle frame 4 is moved and guided through the sliding cooperation between the guide holes 41 and the horizontal rods 11; when it is needed to clean the dust attached to the top of the photovoltaic panel, the motor 2 drives the transmission screw rod 3 to rotate, the transmission screw rod 3 drives the movable middle frame 4 to move along the horizontal rods 11, the movable middle frame 4 drives the two movable end frames 5 to synchronously move, the roller 6 is in rolling contact with the side edge of the photovoltaic panel, the friction coefficient between the movable end frame 5 and the photovoltaic panel is reduced, the movable middle frame 4 and the movable end frame 5 drive the flow guide pipe group 8 above to move, the water flow sprayed by the spray head 83 can clean the dust attached to the top of the photovoltaic panel, and the photoelectric conversion effect of the photovoltaic panel is effectively ensured.

[0033] In the embodiment of the application, the movable middle frame 4 is externally provided with a sliding hole A44, the movable end frame 5 is internally provided with a guide rod B51 which is slidingly penetrated into the sliding hole A44 of the movable middle frame 4, the movable middle frame 4 is internally provided with a guide rod A43, the movable end frame 5 is externally provided with a sliding hole B52, the guide rod A43 is slidingly penetrated into the sliding hole B52 of the movable end frame 5, the guide rod A43 is externally sleeved with a spring 7, one end of the spring 7 is in contact with the movable middle frame 4, and the other end of the spring 7 is in contact with the movable end frame 5; by the sliding cooperation between the guide rod B51 and the sliding hole A44 and the sliding cooperation between the guide rod A43 and the sliding hole B52, the movable end frame 5 is guided to move, and the spring 7 is used to elastically reset the movable end frame 5; the left and right movable end frames 5 can be moved and adjusted according to the different widths of photovoltaic panels, the interval distance between the left and right movable end frames 5 is changed, the movable end frame 5 is inwardly moved under the influence of the spring 7, the roller 6 is in close contact with the photovoltaic panel, and the application requirement of the photovoltaic panel of different specifications is better met, and the application has strong versatility.

[0034] In the embodiment two, on the basis of the embodiment one, the water inlet end of the second hose 9 is communicated with the water supply pipeline, the second hose 9 is communicated with the flow guide pipe group 8, the second hose 9 is externally provided with a counterweight 91, the pulley 10 is rotatable with the main support frame 1, and the second hose 9 is in rolling contact with the pulley 10; when the flow guide pipe group 8 is gradually moved downward, the flow guide pipe group 8 drives the second hose 9 to move forward, the second hose 9 drives the counterweight 91 to move upward, when the flow guide pipe group 8 is gradually moved upward, the second hose 9 is influenced by the gravity of the counterweight 91 to move backward, so that the second hose 9 is kept in a straight force state, the second hose 9 is effectively prevented from being wound, the movement of the movable middle frame 4 is not affected, and the stability in the application process is ensured.

[0035] The working principle of the embodiment is as follows:

[0036] First, according to the different width of different specifications photovoltaic panel, the left and right two movable end frames 5 are moved and adjusted, the interval distance between the left and right two movable end frames 5 is changed, the movable end frame 5 is moved inwardly under the influence of the spring 7 thrust, the roller 6 is in close contact with the photovoltaic panel, and the application demand of different specifications photovoltaic panel is better applied to cleaning application; next, according to the different interval distance between the left and right two movable end frames 5, the number of the first hose 81, the tee 82 and the nozzle 83 is increased or decreased, the first hose 81, the tee 82 and the nozzle 83 are combined together and fixedly installed with the movable middle frame 4 and the movable end frame 5, so as to meet the application demand of photovoltaic panel cleaning; the motor 2 drives the transmission screw 3 to rotate, the transmission screw 3 drives the movable middle frame 4 to move along the cross rod 11, the movable middle frame 4 drives the left and right two movable end frames 5 to move synchronously, the roller 6 rolls in contact with the side edge of the photovoltaic panel, the friction coefficient between the movable end frame 5 and the photovoltaic panel is reduced, the movable middle frame 4 and the movable end frame 5 drive the upper flow guide pipe group 8 to move, through the water flow sprayed by the nozzle 83, the dust attached to the top of the photovoltaic panel is cleaned; when the flow guide pipe group 8 moves downward gradually, the flow guide pipe group 8 drives the second hose 9 to move forward, the second hose 9 drives the counterweight 91 to move upward, when the flow guide pipe group 8 moves upward gradually, the second hose 9 moves backward under the influence of the gravity of the counterweight 91, so that the second hose 9 keeps in a straight force state, and the winding of the second hose 9 is effectively avoided, and the movement of the movable middle frame 4 is affected.

[0037] In this paper, the following points need attention:

[0038] 1. The drawings of the embodiments of the present application only relate to the structures involved in the embodiments of the present application, and other structures can refer to the general design.

[0039] 2. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined to obtain new embodiments.

[0040] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A photovoltaic panel with matching cleaning accessories, characterized in that, include: The main support frame (1), motor (2), transmission screw (3), movable frame (4), movable end frame (5), roller (6), guide pipe assembly (8), second hose (9), and pulley (10) are provided. A photovoltaic panel is provided at the bottom of the main support frame (1), and the main support frame (1) is located at the top of the photovoltaic panel. A motor (2) is installed at the bottom of the main support frame (1), and a transmission screw (3) is connected inside the main support frame (1). The drive shaft of the motor (2) is connected to the transmission screw (3). A movable frame (4) is connected to the outside of the main support frame (1), and the movable frame (4) is located in the center at the top of the photovoltaic panel. Movable end frames (5) are connected to both ends of the movable frame (4), and the two movable end frames (5) are symmetrically located at both ends of the top of the photovoltaic panel. A sliding hole A (44) is provided on the outside of the movable frame (4), and a guide rod A (43) is provided inside. A (43) is fitted with a spring (7) on the outside. One end of the spring (7) is in contact with the movable frame (4), and the other end of the spring (7) is in contact with the movable end frame (5). The movable end frame (5) is provided with a guide rod B (51) inside and a sliding hole B (52) outside. The guide rod B (51) slides through the sliding hole A (44) provided in the movable frame (4), and the guide rod A (43) slides through the sliding hole B (52) provided in the movable end frame (5). The movable end frame (5) is connected to two rollers (6). The top of the movable frame (4) is equipped with a guide tube assembly (8), which is connected to the movable end frame (5). The top of the movable frame (4) is connected with a second hose (9), which is connected to the guide tube assembly (8). The top of the movable frame (4) is connected with a pulley (10).

2. A photovoltaic panel with matching cleaning accessories according to claim 1, characterized in that, The main support frame (1) is symmetrically provided with crossbars (11), and the movable frame (4) is symmetrically provided with guide holes (41). The crossbars (11) slide through the guide holes (41) provided in the movable frame (4).

3. A photovoltaic panel with matching cleaning accessories according to claim 2, characterized in that, The transmission screw (3) is rotatably connected to the main support frame (1), and the movable frame (4) is provided with a screw hole (42), and the transmission screw (3) is threaded into the screw hole (42).

4. A photovoltaic panel with matching cleaning accessories according to claim 3, characterized in that, The movable end frame (5) is U-shaped at the end. The movable end frame (5) slides in contact with the left and right ends of the photovoltaic panel. The roller (6) rotates in the U-shaped groove at the end of the movable end frame (5) and rolls in contact with the photovoltaic panel.

5. A photovoltaic panel with matching cleaning accessories according to claim 1, characterized in that, The top of the movable frame (4) is welded with a pipe frame A (45), the top of the movable end frame (5) is welded with a pipe frame B (53), and the guide pipe assembly (8) is connected inside the pipe frame A (45) and the pipe frame B (53).

6. A photovoltaic panel with matching cleaning accessories according to claim 1, characterized in that, The guide pipe assembly (8) consists of a first hose (81), a tee (82) and a nozzle (83). The first hose (81) is connected to pipe rack A (45) and pipe rack B (53). The tee (82) is connected to two first hoses (81). The nozzle (83) is connected to the tee (82). The nozzle (83) faces the photovoltaic panel below.

7. A photovoltaic panel with matching cleaning accessories according to claim 6, characterized in that, The inlet end of the second hose (9) is connected to the water supply pipeline, the second hose (9) is connected to the guide pipe group (8), a counterweight (91) is installed on the outside of the second hose (9), the pulley (10) rotates with the main support frame (1), and the second hose (9) rolls in contact with the pulley (10).

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