Novel photovoltaic voltage system self-protection device

Abstract

The invention discloses a novel photovoltaic voltage system self-protection device which comprises a base, a transmission cylinder is arranged on the upper end face of the base, a storage groove is formed in the top of the transmission cylinder, a first supporting plate is arranged in the storage groove, a photovoltaic panel is arranged on the first supporting plate, and a sliding column is arranged at the bottom of the first supporting plate. In severe weather, the rotating wheel is rotated, the rotating wheel drives the transmission rod to rotate, the transmission rod drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the rotating shafts to rotate, under the transmission action of the transmission belt, the rotating shafts rotate synchronously, then the transmission rollers rotate synchronously, the front end of the adjusting rod slides gently in the transmission groove, the sliding column descends, and the adjusting rod is driven to rotate. The photovoltaic panel is contracted into the storage groove, then the limiting block is pressed, the spring is compressed, the limiting rack and the limiting gear are separated, the sealing cover is rotated to seal the storage groove, and therefore the photovoltaic panel can be prevented from being damaged in severe weather.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic power generation equipment, and in particular to a novel photovoltaic voltage system self-protection device. Background Art

[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. It is mainly composed of three parts: solar panels, controllers and inverters, and the main components are composed of electronic components. After solar cells are connected in series and packaged for protection, they can form a large-area solar cell module, which is then combined with power controllers and other components to form a photovoltaic power generation device.

[0003] Existing photovoltaic panels are generally exposed to the outside world. Although this is beneficial for power generation, in severe weather conditions, such as strong winds and heavy rains, the photovoltaic panels may be damaged, thus reducing the service life of the photovoltaic power generation equipment. Summary of the invention

[0004] The purpose of the present invention is to propose a novel photovoltaic voltage system self-protection device in order to solve the above problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A novel photovoltaic voltage system self-protection device includes a base, characterized in that a transmission cylinder is provided on the upper end surface of the base, a storage groove is provided on the top of the transmission cylinder, a first support plate is provided inside the storage groove, a photovoltaic panel is provided on the first support plate, a sliding column is provided at the bottom of the first support plate, the sliding column and the bottom surface of the storage groove are slidably connected, a lifting part that drives the sliding column to move is provided in the transmission cylinder, and a cover is rotatably connected to the top of the storage groove.

[0007] Preferably, the lifting part includes a support column arranged on a base, a second support plate is arranged at the end of the support column, a rotating shaft is rotatably connected to the second support plate, a transmission roller is arranged on the rotating shaft, a transmission groove connected circumferentially end to end is arranged on the side of the transmission roller, an adjusting rod is arranged on the bottom side of the sliding column, the adjusting rod extends axially and is slidably connected to the transmission groove, a transmission mechanism for driving the transmission roller to rotate is arranged at one end of the base away from the sliding column, and when the transmission roller rotates, the adjusting rod drives the sliding column to perform lifting and lowering movements.

[0008] Preferably, a spiral transmission groove is provided on the side of the transmission roller, and the spiral directions of the transmission groove are opposite. When the transmission roller rotates one circle, the adjustment rod drives the sliding column to complete a reciprocating motion along the axial direction.

[0009] Preferably, the adjusting rod is provided with a lubricating coating for reducing the friction resistance when slidingly connected with the transmission groove.

[0010] Preferably, a plurality of transmission rollers are provided, and the plurality of transmission rollers are arranged around the sliding column in a circumferential direction and are distributed in a circular shape with equal intervals about the sliding column. The number of the adjustment rods is the same as the number of the transmission rollers and they are slidingly connected in a one-to-one correspondence. The bottom initial positions of the transmission grooves on the plurality of transmission rollers are all located on the inner side close to the sliding column, thereby realizing synchronous and smooth lifting and lowering of the sliding column.

[0011] Preferably, the transmission mechanism comprises a driven roller arranged on the rotating shaft, a plurality of the driven rollers are connected to each other via a transmission belt, and a transmission assembly for driving the driven rollers to rotate is arranged on the base.

[0012] Preferably, the transmission assembly includes a worm wheel arranged at the bottom of the rotating shaft, a positioning seat is arranged on the base, a transmission rod is rotatably connected to the positioning seat, a worm meshing with the worm wheel is arranged at one end of the transmission rod, and a rotating wheel is arranged at the other end of the transmission rod.

[0013] Preferably, a limit seat is provided on the side of the storage groove, a transmission block is provided on the side of the cover, and the transmission block and the limit seat are rotatably connected via a transmission shaft.

[0014] Preferably, a limiting gear is provided at one end of the transmission shaft, a limiting rod is provided on the side of the limiting seat, a limiting block is slidably connected to the limiting rod, a limiting rack adapted to the limiting gear is provided on the limiting block, and a spring is provided between the limiting block and the side of the limiting seat.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0016] The present invention uses the linkage design of the transmission assembly to enable multiple transmission rollers to rotate synchronously, drive the adjustment rod to slide smoothly along the transmission groove, and thus drive the slide column to realize the smooth lifting and lowering of the photovoltaic panel; the structural design of the slide column and the first support plate can quickly retract the photovoltaic panel into the storage groove, effectively reducing the exposed area of ​​the photovoltaic panel; the cover is fixed by a limiting mechanism (including a limiting gear, a limiting rack and a spring) to ensure that the cover is not easy to open in bad weather, thereby further protecting the photovoltaic panel placed inside; when bad weather comes, the photovoltaic panel can be quickly retracted into the storage groove through the transmission assembly, and the sealing protection is completed by the cover to prevent the photovoltaic panel from being damaged by bad conditions such as strong winds and heavy rains. Through the uniform annular arrangement of multiple transmission rollers, the slide column is more evenly stressed during the lifting process, which improves the stability of the device operation. The limiting mechanism can ensure the safe fixation of the cover to prevent the photovoltaic panel from being damaged due to accidental opening of the cover; the present invention solves the problem that the photovoltaic panel is easily damaged in bad weather in the prior art, improves the service life of the photovoltaic power generation device, and ensures the stability and reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A side structural schematic diagram of a protection device provided according to an embodiment of the present invention is shown.

[0018] Figure 2 A schematic diagram of the top structure of a protection device provided according to an embodiment of the present invention is shown.

[0019] Figure 3 A schematic cross-sectional structure diagram of a storage slot provided according to an embodiment of the present invention is shown.

[0020] Figure 4 A schematic cross-sectional structure diagram of a transmission cylinder provided according to an embodiment of the present invention is shown.

[0021] Figure 5 The embodiment provided according to the present invention shows Figure 1 Schematic diagram of the enlarged structure of A.

[0022] Figure 6 The embodiment provided according to the present invention shows Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0023] Legend:

[0024] 1. Base; 2. Transmission cylinder; 3. Storage slot; 4. Cover; 5. First support plate; 6. Photovoltaic panel; 7. Sliding column; 8. Adjustment rod; 9. Rotating shaft; 10. Transmission roller; 11. Transmission slot; 12. Worm gear; 13. Transmission rod; 14. Worm; 15. Rotating wheel; 16. Second support plate; 17. Limit seat; 18. Transmission block; 19. Limit gear; 20. Limit rod; 21. Limit block; 22. Spring; 23. Limit rack; 24. Support column; 25. Driven roller; 26. Transmission belt; 27. Transmission shaft; 28. Positioning seat. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-6 , the present invention provides a technical solution:

[0027] A novel photovoltaic voltage system self-protection device comprises a base 1, a transmission cylinder 2 is arranged on the upper end surface of the base 1, a storage groove 3 is arranged on the top of the transmission cylinder 2, a first support plate 5 is arranged inside the storage groove 3, a photovoltaic panel 6 is arranged on the first support plate 5, a sliding column 7 is arranged at the bottom of the first support plate 5, the sliding column 7 and the bottom surface of the storage groove 3 are slidably connected, a lifting part for driving the sliding column 7 to move is arranged in the transmission cylinder 2, and a cover 4 is rotatably connected to the top of the storage groove 3; the photovoltaic panel 6 is fixed on the first support plate 5 by a bracket, and there is a certain angle between the photovoltaic panel 6 and the bottom surface of the first support plate 5, the bottom end of the sliding column 7 passes through the bottom surface of the storage groove 3 and extends into the transmission cylinder 2, and the function of the lifting part is to realize the storage of the photovoltaic panel 6.

[0028] Specifically, Figure 3 , Figure 4 and Figure 6As shown, the lifting part includes a support column 24 arranged on the base 1, and a second support plate 16 is arranged at the end of the support column 24. The second support plate 16 is rotatably connected with a rotating shaft 9, and a transmission roller 10 is arranged on the rotating shaft 9. The side of the transmission roller 10 is provided with a transmission groove 11 connected circumferentially end to end. An adjusting rod 8 is arranged on the bottom side of the sliding column 7. The adjusting rod 8 extends axially and is slidably connected to the transmission groove 11. The end of the base 1 away from the sliding column is provided with a transmission mechanism that drives the transmission roller 10 to rotate; the front end of the adjusting rod 8 is located in the transmission groove 11 and can slide smoothly in the transmission groove 11. The transmission roller 10 rotates one circle, and the adjusting rod 8 can complete a reciprocating motion along the transmission groove 11. In this way, the adjusting rod 8 can drive the sliding column 7 to complete the lifting and lowering of the photovoltaic panel 6, and unfold and store the photovoltaic panel 6.

[0029] Specifically, Figure 3 As shown, a plurality of transmission rollers 10 are provided, and the plurality of transmission rollers 10 are distributed in a circular shape with equal intervals about the sliding column 7. The number of adjusting rods 8 is the same as the number of transmission rollers 10 and they correspond one to one and are slidably connected. The provision of the plurality of transmission rollers 10 can make the sliding column 7 bear force evenly, thereby improving the stability of the photovoltaic panel 6 when it is raised or lowered.

[0030] Specifically, Figure 4 and Figure 6 As shown, the transmission mechanism includes a driven roller 25 arranged on the rotating shaft 9, and the multiple driven rollers 25 are connected by a transmission belt 26. A transmission assembly for driving the driven rollers 25 to rotate is arranged on the base 1. The transmission assembly includes a worm wheel 12 arranged at the bottom of the rotating shaft 9, a positioning seat 28 is arranged on the base 1, and a transmission rod 13 is rotatably connected to the positioning seat 28. A worm 14 meshing with the worm wheel 12 is arranged at one end of the transmission rod 13, and a rotating wheel 15 is arranged at the other end of the transmission rod 13; the transmission rod 13 penetrates the transmission The side wall of the movable cylinder 2 is rotatably connected to the side wall of the transmission cylinder 2, the rotating shaft 9 passes through the second support plate 16, and the transmission belt 26 connects multiple driven rollers 25 together to achieve synchronous rotation of multiple driven rollers 25, rotate the rotating wheel 15, the rotating wheel 15 drives the transmission rod 13 to rotate, the transmission rod 13 drives the worm 14 to rotate, the worm 14 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the rotating shaft 9 to rotate. Under the transmission action of the transmission belt 26, multiple rotating shafts 9 rotate synchronously, and then multiple transmission rollers 10 rotate synchronously.

[0031] Specifically, Figure 1 and Figure 5As shown, a limit seat 17 is arranged on the side of the storage groove 3, and a transmission block 18 is arranged on the side of the cover 4. The transmission block 18 and the limit seat 17 are rotatably connected through a transmission shaft 27. A limit gear 19 is arranged at one end of the transmission shaft 27, and a limit rod 20 is arranged on the side of the limit seat 17. A limit block 21 is slidably connected to the limit rod 20, and a limit rack 23 adapted to the limit gear 19 is arranged on the limit block 21. A spring 22 is arranged between the limit block 21 and the side of the limit seat 17; under normal conditions, the limit rack 23 and the limit gear 19 are engaged with each other, and the limit block 21 is pressed, the spring 22 is compressed, and the limit rack 23 is separated from the limit gear 19. At this time, the cover 4 can be opened and closed at will, otherwise the cover 4 is fixed, so that the cover 4 can be prevented from being opened in bad weather, thereby causing damage to the photovoltaic panel 6.

[0032] In summary, the novel photovoltaic voltage system self-protection device provided in this embodiment, when encountering severe weather, rotates the rotating wheel 15, the rotating wheel 15 drives the transmission rod 13 to rotate, the transmission rod 13 drives the worm 14 to rotate, the worm 14 drives the worm wheel 12 to rotate, the worm wheel 12 drives the rotating shaft 9 to rotate, under the transmission action of the transmission belt 26, multiple rotating shafts 9 rotate synchronously, and then multiple transmission rollers 10 rotate synchronously, the front end of the adjusting rod 8 slides smoothly in the transmission groove 11, so that the sliding column 7 descends, the photovoltaic panel 6 shrinks into the storage groove 3, and then presses the limit block 21, the spring 22 is compressed, the limit rack 23 is separated from the limit gear 19, and the cover 4 is rotated to seal the storage groove 3, thereby reducing the risk of damage to the photovoltaic panel 6 in severe weather.

[0033] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel photovoltaic voltage system self-protection device, comprising a base (1), characterized in that: The upper end surface of the base (1) is provided with a transmission cylinder (2), the top of the transmission cylinder (2) is provided with a storage groove (3), a first support plate (5) is provided inside the storage groove (3), a photovoltaic panel (6) is provided on the first support plate (5), a sliding column (7) is provided at the bottom of the first support plate (5), the sliding column (7) and the bottom surface of the storage groove (3) are slidably connected, a lifting part for driving the sliding column (7) to move is provided inside the transmission cylinder (2), and a cover (4) is rotatably connected to the top of the storage groove (3).

2. A novel photovoltaic voltage system self-protection device according to claim 1, characterized in that: The lifting part comprises a support column (24) arranged on a base (1), a second support plate (16) being arranged at the end of the support column (24), a rotating shaft (9) being rotatably connected to the second support plate (16), a transmission roller (10) being arranged on the rotating shaft (9), a transmission groove (11) being circumferentially connected end to end being arranged on the side of the transmission roller (10), an adjusting rod (8) being arranged on the bottom side of the slide column (7), the adjusting rod (8) extending axially and being slidably connected to the transmission groove (11), a transmission mechanism for driving the transmission roller (10) to rotate being arranged at one end of the base (1) away from the slide column, and when the transmission roller (10) rotates, the adjusting rod (8) drives the slide column (7) to perform lifting and lowering movement.

3. A novel photovoltaic voltage system self-protection device according to claim 2, characterized in that: A spiral transmission groove (11) is provided on the side of the transmission roller (10), and the spiral directions of the transmission groove (11) are opposite. When the transmission roller (10) rotates one circle, the adjustment rod (8) drives the sliding column (7) to complete a reciprocating motion along the axial direction.

4. A novel photovoltaic voltage system self-protection device according to claim 2, characterized in that: The adjusting rod (8) is provided with a lubricating coating for reducing the friction resistance when slidingly connected with the transmission groove (11).

5. A novel photovoltaic voltage system self-protection device according to claim 2, characterized in that: A plurality of transmission rollers (10) are provided, and the plurality of transmission rollers (10) are arranged around the sliding column (7) in a circular manner with equal spacing about the sliding column (7). The number of the adjustment rods (8) is the same as the number of the transmission rollers (10) and they are slidably connected in a one-to-one correspondence. The bottom initial positions of the transmission grooves (11) on the plurality of transmission rollers (10) are all located close to the inner side of the sliding column (7), thereby achieving synchronous and smooth lifting and lowering of the sliding column (7).

6. A novel photovoltaic voltage system self-protection device according to claim 5, characterized in that: The transmission mechanism comprises a driven roller (25) arranged on the rotating shaft (9); a plurality of the driven rollers (25) are connected to each other via a transmission belt (26); and a transmission component for driving the driven rollers (25) to rotate is arranged on the base (1).

7. A novel photovoltaic voltage system self-protection device according to claim 6, characterized in that: The transmission assembly comprises a worm wheel (12) arranged at the bottom of the rotating shaft (9); a positioning seat (28) is arranged on the base (1); a transmission rod (13) is rotatably connected to the positioning seat (28); a worm (14) meshing with the worm wheel (12) is arranged at one end of the transmission rod (13); and a rotating wheel (15) is arranged at the other end of the transmission rod (13).

8. A novel photovoltaic voltage system self-protection device according to claim 1, characterized in that: A limit seat (17) is arranged on the side of the storage groove (3), and a transmission block (18) is arranged on the side of the cover (4). The transmission block (18) and the limit seat (17) are rotatably connected via a transmission shaft (27).

9. A novel photovoltaic voltage system self-protection device according to claim 8, characterized in that: A limit gear (19) is arranged at one end of the transmission shaft (27), a limit rod (20) is arranged on the side of the limit seat (17), a limit block (21) is slidably connected to the limit rod (20), a limit rack (23) adapted to the limit gear (19) is arranged on the limit block (21), and a spring (22) is arranged between the limit block (21) and the side of the limit seat (17).

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