Roof distributed photovoltaic support for preventing accumulated snow on surface of photovoltaic panel

Abstract

The utility model relates to the field of photovoltaic supports, and discloses a roof distributed photovoltaic support capable of preventing accumulated snow on the surface of a photovoltaic panel, which comprises a flat plate and a photovoltaic panel, the photovoltaic panel is assembled on the upper surface of the flat plate, and shells are respectively fixed at the left and right positions of the front and rear ends of the flat plate. Limiting sleeves are welded to the centers of the front end and the rear end of the flat plate correspondingly, and traction rods are horizontally inserted between the limiting sleeves and the shell. According to the roof distributed photovoltaic support capable of preventing snow accumulation on the surface of the photovoltaic panel, a traction rod is horizontally inserted between a limiting sleeve and a shell, a motor fixed to the outer surface of the shell is started, a gear controlled by the motor rotates to push the traction rod with a concave tooth groove left and right, and the traction rod can be prevented from falling off in cooperation with the limiting sleeves at the front end and the rear end of a flat plate; a worker does not need to climb to clean accumulated snow, so that the problem that the accumulated snow is easy to accumulate on the photovoltaic panel is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic brackets, in particular to a roof distributed photovoltaic bracket for preventing snow accumulation on the surface of a photovoltaic panel. Background Technique

[0002] A photovoltaic power generation system often consists of a device that absorbs solar radiant energy by a photovoltaic panel and converts it into electrical energy through an inverter. It can also convert direct current into alternating current for use according to the demand for power transmission and different terminal devices, without emitting waste gas and polluting the environment like coal combustion.

[0003] In order to absorb radiant energy more comprehensively, photovoltaic panels are often erected on open ground or rooftops. If located on a relatively high building, it is difficult to clean the snow in a timely manner, and it is easy to freeze into ice in cold seasons. It still takes some time to wait for the snow to melt, which affects the efficiency of photovoltaic power generation.

[0004] Now, a new type of roof distributed photovoltaic bracket for preventing snow accumulation on the surface of a photovoltaic panel is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a roof distributed photovoltaic bracket for preventing snow accumulation on the surface of a photovoltaic panel, so as to solve the problem of easy snow accumulation on the photovoltaic panel proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A roof distributed photovoltaic bracket for preventing snow accumulation on the surface of a photovoltaic panel, including a flat plate and a photovoltaic panel. The upper surface of the flat plate is equipped with a photovoltaic panel. At the left and right positions of the front and rear ends of the flat plate, a housing is respectively fixed. At the centers of the front and rear ends of the flat plate, a limit sleeve is respectively welded, and a traction rod is horizontally inserted between the limit sleeve and the housing. Between the two sides of the top of the traction rod, a concave tooth groove is provided. At the front end of the outside of the housing, a motor is installed. Between the front and rear of the upper part inside the housing, a gear is assembled. Between the front and rear of the right side of the traction rod, a wiping roller is provided.

[0007] Preferably, the traction rod is horizontally lapped inside the limit sleeve, and the traction rod can slide back and forth between the limit sleeve and the housing.

[0008] Preferably, the motor can control the rotation of the gear in the housing, and the gear is meshed and connected above the concave tooth groove.

[0009] Preferably, a hydraulic cylinder is assembled at the top right side of the towing rod, and a connecting rod is assembled at the top of the telescopic rod of the hydraulic cylinder. Positioning pieces are respectively fixed at the top end of the telescopic rod and the bottom end of the connecting rod. Bolts II are respectively movably connected in the holes at the front and rear ends of the positioning pieces. Nuts are respectively screwed on the upper and lower parts outside the Bolts II. A wiping roller is movably connected between the front and rear of the top of the connecting rod, and the wiping roller is attached to the surface of the photovoltaic panel.

[0010] Preferably, the inner wall of the nut is provided with threads matching the Bolt II, and the nuts are symmetrically locked at the top and bottom ends of the Bolt II.

[0011] Preferably, the connecting rod can rise and fall with the telescopic rod, and the wiping roller can wipe the surface skin of the photovoltaic panel back and forth.

[0012] Preferably, frames are respectively welded at the front and rear ends on both sides of the bottom of the flat plate. Sliding grooves are arranged between the two sides inside the frames. Sliding sleeves are movably connected in the sliding grooves. Sliders are respectively fixed on both sides of the sliding sleeves. Pulleys are movably connected above the inside of the sliders. A cylinder is arranged below the sliding sleeve. A piston rod is assembled between the cylinder and the sliding sleeve. A connecting block is fixed on the outer side of the bottom of the cylinder. The connecting block is movably connected with a base outside. Screw holes are respectively arranged at the front and rear ends of the base. Bolts I are screwed in the screw holes.

[0013] Preferably, the connecting block can swing left and right inside the base, and the Bolt I can pass through the screw hole to press tightly against the connecting block.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The roof distributed photovoltaic bracket for preventing snow accumulation on the surface of photovoltaic panels not only realizes cleaning the snow on the surface of the panels, realizes adjusting the cleaning strength, but also realizes changing the support angle;

[0015] (1) By horizontally inserting a towing rod between the limit sleeve and the housing, starting the motor fixed on the outer surface of the housing, the gear controlled by the motor rotates to push the towing rod with concave tooth grooves. The limit sleeves at the front and rear ends of the flat plate cooperate to prevent the towing rod from falling, and then guide the wiping roller assembled between the front and rear on the right side to sweep back and forth above the photovoltaic panel on the flat plate, eliminating the need for workers to climb high to clean the snow;

[0016] (2) By assembling a hydraulic cylinder at the top right side of the towing rod, the height of the horizontal wiping roller is adjusted respectively through the hydraulic cylinders on the right sides of the two towing rods. When assembling, align the positioning pieces of the connecting rod and the telescopic rod, and pass the Bolt II through the holes at the front and rear, and then screw in the nuts for reinforcement, which can prevent the wiping roller from falling and provide support forces at the front and rear ends, facilitating adjusting the position of the wiping roller, preventing damage to the photovoltaic panel due to excessive scraping force, and also being able to change the cleaning position according to the depth of the snow accumulation;

[0017] (3) By movably connecting a base outside the connecting block, the base is assembled on the roof by screws on both sides, and the inclination angle of the cylinder in the base is locked by bolt 1. At this time, the sliding sleeve moves back and forth along the chute in the frame through the pulley under the guidance of the sliders on both sides, thereby changing the swing angle of the flat plate. During snow cleaning, the flat plate can be tilted in the way of lower on the left and higher on the right, or higher on the left and lower on the right, so as to wipe the snow with the wiping roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the inclined front view sectional structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the flat front view structure of the present utility model;

[0020] Figure 3 It is a schematic diagram of the top view structure of the present utility model;

[0021] Figure 4 It is a schematic diagram of the front view sectional structure of the housing of the present utility model;

[0022] Figure 5 It is a schematic diagram of the front view structure of the wiping roller of the present utility model.

[0023] In the figure: 1, flat plate; 2, limit sleeve; 3, frame; 4, chute; 5, piston rod; 6, cylinder; 7, connecting block; 8, base; 9, bolt 1; 10, screw hole; 11, sliding sleeve; 12, concave tooth groove; 13, traction rod; 14, housing; 15, gear; 16, photovoltaic panel; 17, wiping roller; 18, connecting rod; 19, hydraulic cylinder; 20, pulley; 21, slider; 22, bolt 2; 23, nut; 24, positioning piece; 25, telescopic rod; 26, motor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment 1: Please refer to Figures 1-5, A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, including a flat plate 1 and a photovoltaic panel 16. The photovoltaic panel 16 is assembled on the upper surface of the flat plate 1. At the left and right positions of the front and rear ends of the flat plate 1, a housing 14 is respectively fixed. At the centers of the front and rear ends of the flat plate 1, a limit sleeve 2 is respectively welded, and a traction rod 13 is horizontally inserted between the limit sleeve 2 and the housing 14. Between the two sides of the top of the traction rod 13, a concave tooth groove 12 is provided. At the front end of the outside of the housing 14, a motor 26 is installed. Between the front and rear of the upper part inside the housing 14, a gear 15 is assembled. Between the front and rear of the right side of the traction rod 13, a wiping roller 17 is provided;

[0026] The traction rod 13 is horizontally lapped inside the limit sleeve 2. The traction rod 13 can slide back and forth between the limit sleeve 2 and the housing 14. The motor 26 can control the rotation of the gear 15 in the housing 14. The gear 15 is meshed and connected above the concave tooth groove 12;

[0027] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, start the motor 26 fixed on the outer surface of the housing 14. The gear 15 controlled by the motor 26 rotates and pushes the traction rod 13 with the concave tooth groove 12 left and right. The cooperation with the limit sleeves 2 at the front and rear ends of the flat plate 1 can prevent the traction rod 13 from falling, and then guide the wiping roller 17 assembled between the front and rear of the right side to sweep back and forth above the photovoltaic panel 16 on the flat plate 1.

[0028] Embodiment 2: A hydraulic cylinder 19 is assembled on the right top of the traction rod 13. At the top of the telescopic rod 25 of the hydraulic cylinder 19, a connecting rod 18 is assembled. At the bottom ends of the top of the telescopic rod 25 and the bottom of the connecting rod 18, positioning pieces 24 are respectively fixed. In the holes at the front and rear ends of the positioning piece 24, bolt twos 22 are respectively movably connected. At the upper and lower parts outside the bolt two 22, nuts 23 are respectively threadedly connected. Between the front and rear of the top of the connecting rod 18, a wiping roller 17 is movably connected. The wiping roller 17 is attached to the surface of the photovoltaic panel 16;

[0029] On the inner wall of the nut 23, there are threads matching the bolt two 22. The nuts 23 are symmetrically locked at the top and bottom of the bolt two 22. The connecting rod 18 can rise and fall with the telescopic rod 25. The wiping roller 17 can wipe the surface of the photovoltaic panel 16 back and forth;

[0030] Specifically, as Figure 1 、 Figure 2 、 Figure 3 and Figure 5As shown, on the right sides of the two sets of drawbars 13, the height of the horizontal wiping roller 17 is adjusted by hydraulic cylinders 19 respectively. During assembly, the positioning piece 24 of the connecting rod 18 and the telescopic rod 25 is aligned, and the bolt two 22 passes through the holes at the front and back, and then the nut 23 is screwed in for reinforcement, which can prevent the wiping roller 17 from falling and provide support at both ends, facilitating the adjustment of the position of the wiping roller 17 and preventing damage to the photovoltaic panel 16 due to excessive scraping force.

[0031] Embodiment 3: At the front and back ends on both sides of the bottom of the flat plate 1, frames 3 are welded respectively, and chutes 4 are arranged between the two sides inside the frame 3. A sliding sleeve 11 is movably connected in the chute 4, and sliders 21 are respectively fixed on both sides of the sliding sleeve 11. A pulley 20 is movably connected above the inside of the slider 21. A cylinder 6 is arranged below the sliding sleeve 11, and a piston rod 5 is assembled between the cylinder 6 and the sliding sleeve 11. A connecting block 7 is fixed on the outer side of the bottom of the cylinder 6, and a base 8 is movably connected to the outside of the connecting block 7. Screw holes 10 are respectively arranged at the front and back ends of the base 8, and a bolt one 9 is threadedly connected to the screw hole 10. The connecting block 7 can swing left and right inside the base 8, and the bolt one 9 can pass through the screw hole 10 to tightly press the connecting block 7;

[0032] Specifically, as Figure 1 、 Figure 2 and Figure 4 shown, the base 8 is assembled on the roof by means of screws on both sides, and the inclination angle of the cylinder 6 in the base 8 is locked by the bolt one 9. At this time, the sliding sleeve 11 moves back and forth along the chute 4 in the frame 3 through the pulley 20 under the guidance of the sliders 21 on both sides, thereby changing the swing angle of the flat plate 1. During snow clearing, the flat plate 1 can be tilted in the way of lower on the left and higher on the right, or higher on the left and lower on the right.

[0033] Working principle: When the present utility model is in use, the base 8 is assembled on the roof by means of screws on both sides, and the inclination angle of the cylinder 6 in the base 8 is locked by the bolt one 9. At this time, the sliding sleeve 11 moves back and forth along the chute 4 in the frame 3 through the pulley 20 under the guidance of the sliders 21 on both sides, thereby changing the swing angle of the flat plate 1. Then, the motor 26 fixed on the outer surface of the housing 14 is started, and the gear 15 controlled by the motor 26 rotates to push the drawbar 13 with the concave tooth grooves 12 left and right. The limiting sleeves 2 at the front and back ends of the flat plate 1 cooperate to prevent the drawbar 13 from falling, and then guide the wiping roller 17 assembled between the front and back on the right side to scrape back and forth above the photovoltaic panel 16 on the flat plate 1. On the right sides of the two sets of drawbars 13, the height of the horizontal wiping roller 17 is adjusted by hydraulic cylinders 19 respectively. During assembly, the positioning piece 24 of the connecting rod 18 and the telescopic rod 25 is aligned, and the bolt two 22 passes through the holes at the front and back, and then the nut 23 is screwed in for reinforcement, which can prevent the wiping roller 17 from falling and provide support at both ends, facilitating the adjustment of the position of the wiping roller 17.

[0034] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, comprising a flat plate (1) and a photovoltaic panel (16), characterized in that: The upper surface of the flat plate (1) is equipped with a photovoltaic panel (16), and a shell (14) is fixed to the left and right positions of the front and rear ends of the flat plate (1), respectively. A limit sleeve (2) is welded to the center of the front end and the rear end of the flat plate (1), and a traction rod (13) is horizontally inserted between the limit sleeve (2) and the shell (14). A recessed tooth groove (12) is provided between the two sides of the top of the traction rod (13), a motor (26) is installed at the front end of the outside of the shell (14), a gear (15) is installed between the front and rear ends of the upper part of the shell (14), and a wiping roller (17) is provided between the front and rear ends of the right side of the traction rod (13).

2. The roof distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel according to claim 1, wherein: The traction rod (13) is horizontally overlapped inside the limiting sleeve (2), and the traction rod (13) can slide back and forth between the limiting sleeve (2) and the housing (14).

3. A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, characterized in that: The motor (26) can control the gear (15) to rotate in the housing (14), and the gear (15) is meshed and connected above the recessed tooth groove (12).

4. The roof distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel according to claim 1, characterized in that: The top right side of the traction rod (13) is equipped with a hydraulic cylinder (19), and the top of the telescopic rod (25) of the hydraulic cylinder (19) is assembled with a connecting rod (18), the top of the telescopic rod (25) and the bottom of the connecting rod (18) are respectively fixed with positioning pieces (24), and the holes at the front and rear ends of the positioning piece (24) are respectively movably connected with bolts (22), and the upper and lower parts of the outside of the bolts (22) are respectively threadedly connected with nuts (23), and the front and rear of the top of the connecting rod (18) are movably connected with a wiping roller (17), and the wiping roller (17) is attached to the surface of the photovoltaic panel (16).

5. A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, characterized in that: The inner wall of the nut (23) is provided with patterns matching the second bolt (22), and the nut (23) is symmetrically locked at the top and bottom ends of the second bolt (22).

6. The roof distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel according to claim 4, wherein: The connecting rod (18) can rise and fall along with the telescopic rod (25), and the wiping roller (17) can wipe the surface of the photovoltaic panel (16) back and forth.

7. A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, characterized in that: The front and rear ends of the bottom of the plate (1) are respectively welded with a frame (3), and a slide groove (4) is arranged between the two sides inside the frame (3), a sliding sleeve (11) is movably connected in the sliding groove (4), and sliders (21) are respectively fixed on both sides of the sliding sleeve (11), and a pulley (20) is movably connected to the upper part of the inside of the slider (21), a cylinder (6) is arranged below the sliding sleeve (11), and a piston rod (5) is assembled between the cylinder (6) and the sliding sleeve (11), a connecting block (7) is fixed to the outer side of the bottom of the cylinder (6), and the outside of the connecting block (7) is movably connected to a base (8), and screw holes (10) are respectively arranged at the front and rear ends of the base (8), and a bolt (9) is threadedly connected to the screw hole (10).

8. A rooftop distributed photovoltaic support for preventing snow accumulation on the surface of a photovoltaic panel, characterized in that: The connecting block (7) can swing left and right inside the base (8), and the bolt 1 (9) can pass through the screw hole (10) to tighten the connecting block (7).

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