A folding solar panel spreading limiting device

Abstract

This application relates to a limiting device for laying out foldable solar panels, comprising a storage rack, solar panels, and a control motor. A fixed rail is provided on the storage rack, and several groups of two solar panels are arranged on the fixed rail. Rollers are mounted on the solar panels, rolling along the fixed rail. One control motor is mounted on the storage rack and one on the fixed rail, and a steel wire rope is connected to the first group of solar panels. An angle limiting mechanism is provided on the solar panels, comprising a top limiting component and a bottom limiting component. The top limiting component includes a first mounting frame, a first limiting frame, and a first limiting pin. The first mounting frame is connected to one solar panel, and the first limiting frame is connected to another solar panel and has an abutment groove. The first mounting frame and the first limiting frame are rotatably connected, and the first limiting pin is detachably connected to the first mounting frame and conforms to the abutment groove. This application improves the storage efficiency of foldable solar panels.

Description

Technical Field

[0001] This application relates to the field of solar panel laying technology, and in particular to a limiting device for laying foldable solar panels. Background Technology

[0002] With the growing global demand for sustainable energy, solar energy, as a clean and renewable energy source, has received increasing attention. Photovoltaic power generation systems, by directly converting sunlight into electricity, can not only reduce dependence on fossil fuels but also help reduce greenhouse gas emissions and combat climate change.

[0003] Chinese Patent CN119363002B discloses an automatically unfolding foldable photovoltaic solar panel. It includes photovoltaic panels, with at least two panels arranged alternately on the left and right sides. Connecting columns are symmetrically connected to the leftmost and rightmost photovoltaic panels. Hinges are symmetrically rotatably connected between adjacent photovoltaic panels, with the hinges arranged in an alternating vertical arrangement. A first slider is connected to the bottom of the lower hinge plate. A gear set is installed between adjacent photovoltaic panels. Guide rails are symmetrically arranged below the photovoltaic panels, and these guide rails are used to engage the first slider. This invention, through the cooperation of connecting columns, hinge plates, gear sets, guide rails, a second slider, a moving mechanism, and a limiting mechanism, first installs the guide rails, then installs the photovoltaic panels on the guide rails and the second slider. The moving mechanism then controls the photovoltaic panels to automatically and synchronously unfold and fold, saving time and effort, increasing efficiency, facilitating operator installation, and reducing costs.

[0004] Regarding the aforementioned technologies, existing technologies use a lead screw and slider to drive the photovoltaic panels to move until each panel is horizontal, achieving the effect of spreading out the photovoltaic panels. However, when foldable photovoltaic panels are recycled, the first panel is manipulated to move, and the first panel then squeezes the remaining panels, causing them to rotate and fold for storage. However, when the photovoltaic panels are horizontal, the squeezing direction is parallel to the surface of the panels, which can cause the panels to get stuck. If pressure is continued at this point, the panels can easily be damaged, requiring staff to apply pressure and guide the panels to fold, thus reducing the storage efficiency of the photovoltaic panels. Summary of the Invention

[0005] To improve the storage efficiency of foldable solar panels, this application provides a limiting device for laying out foldable solar panels.

[0006] This application provides a limiting device for laying out foldable solar panels, employing the following technical solution: A limiting device for laying out foldable solar panels includes a storage rack, solar panels, and control motors. The storage rack has several fixed rails, and several groups of solar panels are arranged on the fixed rails, with two opposing solar panels in each group. Rollers are rotatably connected to the solar panels, and the rollers roll on the fixed rails. One control motor is located at each end of the storage rack and each fixed rail. Steel wire ropes connect the output shafts of the two control motors to the first group of solar panels. An angle limiting mechanism is provided on the solar panels. The angle limiting mechanism includes a top limiting component and a bottom limiting component that limits the angle between two adjacent groups of solar panels. The top limiting component includes a first mounting frame, a first limiting frame, and a first limiting pin. The first mounting frame is connected to one solar panel, and the first limiting frame is connected to another solar panel. The first mounting frame and the first limiting frame are rotatably connected. The first limiting frame has an abutting arc groove, and the first limiting pin is detachably connected to the first mounting frame. The first limiting pin is located on the rotation path of the abutting arc groove, and during limiting, the abutting arc groove abuts the first limiting pin.

[0007] By adopting the above technical solution, during deployment, the control motor on the fixed rail is activated, pulling the first group of solar panels via steel cables. As the solar panels move and rotate, the first mounting frame and the first limiting frame rotate until the first limiting pin engages with the arc groove. At this point, the two solar panels form an inverted V shape. The bottom limiting component then restricts the angle between adjacent groups of solar panels until several groups of solar panels are laid on the fixed rail, achieving the desired solar panel deployment effect. During storage, the control motor inside the storage frame is activated, pulling the first group of solar panels to move, causing the two solar panels to close together. This process is repeated, applying pressure to subsequent groups of solar panels until they are pressed together within the storage frame, achieving the desired solar panel storage effect. The angle limiting mechanism ensures that the two solar panels form an inverted V shape during deployment. This not only helps the solar panels align with the angle of sunlight, allowing for better power generation, but also facilitates folding and rotation during storage. Compared to existing technologies, storage requires no manual intervention in the movement of the solar panels, achieving fully automatic control and improving the storage efficiency of foldable solar panels.

[0008] Optionally, the bottom limiting assembly includes a second mounting bracket, a second limiting bracket, and a second limiting pin. The second mounting bracket is connected to one set of solar panels, and the second limiting bracket is connected to another set of solar panels. The second limiting bracket has a limiting arc groove. The roller is detachably connected to the second limiting bracket, and the second limiting pin is detachably connected to the second mounting bracket and located on the rotation path of the limiting arc groove. When limiting, the second limiting pin is located within the limiting arc groove.

[0009] By adopting the above technical solution, when the first group of solar panels moves in an inverted V state, the second group of solar panels also rotates. The second limiting frame and the second mounting frame rotate until the second limiting pin enters the limiting arc groove, thereby ensuring the angle between the second group of solar panels and the first group of solar panels. This process is repeated to ensure the angle between subsequent adjacent groups of solar panels, thus achieving that each group of two solar panels presents an inverted V state.

[0010] Optionally, the first mounting bracket is provided with a connecting assembly, the connecting assembly including a spur nut and a limiting pin, the first limiting pin being provided with a first threaded section, the first limiting pin passing through the first mounting bracket, the spur nut being rotatably connected to the first mounting bracket and threadedly engaged with the first threaded section, the end of the first limiting pin having a mounting hole, the limiting pin being interference-fitted into the mounting hole and abutting against the side wall of the first mounting bracket.

[0011] By adopting the above technical solution, when installing the first limiting pin, the first limiting pin is inserted into the first mounting bracket, and then the rotation of the first limiting pin is restricted. The nut is then rotated to move the first limiting pin until the mounting hole passes through the first mounting bracket. The limiting post is then inserted into the mounting hole, and the nut is rotated in the opposite direction until the limiting post abuts against the first mounting bracket, thus realizing the installation of the first limiting pin.

[0012] Optionally, a fixing collar is connected to the end of the first mounting bracket, and the first limiting pin passes through the fixing collar. The fixing collar has an abutting arc groove that matches the shape of the limiting post. When limiting, the limiting post is embedded in the abutting arc groove.

[0013] By adopting the above technical solution and setting a fixing collar, the first limiting pin does not need to be manipulated after the limiting post is installed, which facilitates the installation of the first limiting pin.

[0014] Optionally, the second limiting pin is provided with a second threaded section, which is threadedly engaged with the second mounting bracket, and a first anti-loosening washer is fitted on the second limiting pin, which is located between the second limiting pin and the second mounting bracket.

[0015] By adopting the above technical solution, when installing the second limiting pin, rotating the second limiting pin causes it to move through the threaded engagement of the second threaded section with the second mounting bracket. The first anti-loosening washer is squeezed and deformed until the second limiting pin is on the rotation path of the limiting arc groove, thus realizing the installation of the second limiting pin.

[0016] Optionally, both the bottom limiting component and the top limiting component are provided with mounting components. The mounting components include mounting bolts, second anti-loosening washers, and mounting nuts. The mounting bolts pass through the second mounting bracket and the second limiting bracket. The mounting nuts are threaded into the end of the mounting bolts. The second anti-loosening washers are sleeved on the mounting bolts and located between the mounting nuts and the second mounting brackets. The rollers are sleeved on the mounting bolts and are similarly provided on the top limiting component.

[0017] By adopting the above technical solution, during installation, the mounting bolts are passed through the second mounting bracket, the roller, and the second limiting bracket in sequence, and then the second anti-loosening washer and the mounting nut are installed in sequence to achieve the detachable installation of the second mounting bracket and the second limiting bracket. Similarly, the first mounting bracket and the first limiting bracket are also designed to be detachable.

[0018] Optionally, two washers are fitted onto the mounting bolt, and the roller is located between the two washers.

[0019] By adopting the above technical solution, the pad is used to position the relative position of the roller and the second limiting frame, ensuring that the roller rolls on the fixed rail and reducing the possibility of the roller deflecting when rolling.

[0020] Optionally, the second limiting frame is provided with an extension that extends to below the top wall of the fixed rail, and the fixed rail is located between the two extensions.

[0021] By adopting the above technical solution, the extension is used for the rolling position of the roller on the fixed rail, reducing the possibility of the roller leaving the fixed rail.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. During deployment, the control motor on the fixed rail is activated, pulling the first set of solar panels via steel cables. As the solar panels move and rotate, the first mounting frame and the first limiting frame rotate until the first limiting pin engages with the arc groove. At this point, the two solar panels form an inverted V shape. The bottom limiting component then restricts the angle between adjacent sets of solar panels until several sets of solar panels are laid on the fixed rail, achieving the desired deployment effect. During storage, the control motor inside the storage frame is activated, pulling the first set of solar panels to move, causing the two solar panels to close together. This process is repeated, applying pressure to subsequent sets of solar panels until they are pressed together within the storage frame, achieving the desired storage effect. The angle limiting mechanism ensures that the two solar panels form an inverted V shape during deployment. This not only helps the solar panels align with the angle of sunlight, facilitating better power generation, but also aids in folding and rotating the panels during storage. Compared to existing technologies, storage requires no manual intervention in the movement of the solar panels, achieving fully automatic control and improving the storage efficiency of foldable solar panels. Attached Figure Description

[0023] Figure 1 This is a diagram showing the unfolded state of the foldable solar panel in the embodiments of this application.

[0024] Figure 2 This is a schematic diagram of the angle limiting mechanism in the embodiments of this application.

[0025] Figure 3 This is an exploded view used in the embodiments of this application to illustrate the structure of the top limiting component, the mounting component, and the connecting component.

[0026] Figure 4 This is an exploded view used in the embodiments of this application to illustrate the structure of the bottom limiting component.

[0027] Figure 5 This is an exploded view used to illustrate the second restraint frame structure in the embodiments of this application.

[0028] Explanation of reference numerals in the attached drawings: 1. Storage rack; 11. Fixed rail; 2. Solar panel; 3. Control motor; 31. Steel wire rope; 4. Angle limiting mechanism; 41. Top limiting component; 411. First mounting bracket; 4111. Fixing collar; 412. First limiting bracket; 4121. Abutting arc groove; 413. First limiting pin; 4131. First threaded section; 42. Bottom limiting component; 421. Second mounting bracket; 422. Second limiting bracket; 4221. Limiting arc groove; 4222. Washer; 4223. Roller; 4224. Extension; 423. Second limiting pin; 4231. Second threaded section; 4232. First anti-loosening washer; 5. Mounting component; 51. Mounting bolt; 52. Second anti-loosening washer; 53. Mounting nut; 6. Connecting component; 61. Claw nut; 62. Limiting post. Detailed Implementation

[0029] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0030] This application discloses a limiting device for laying out a foldable solar panel. (Refer to...) Figure 1 The foldable solar panel deployment limiting device includes a storage rack 1, a solar panel 2, and a control motor 3. Several fixed rails 11 are fixedly connected to the storage rack 1; in this embodiment, two rails are used as an example. The control motor 3 is located at the ends of the storage rack 1 and the fixed rails 11, and a winding drum is mounted on the output shaft of the control motor 3.

[0031] Reference Figure 1 , Figure 2 and Figure 3Several groups of solar panels 2 are arranged on the fixed rail 11, with two solar panels 2 arranged in each group and facing each other. An angle limiting mechanism 4 is provided on the solar panel 2. The angle limiting mechanism 4 includes a top limiting component 41 and a bottom limiting component 42. The top limiting component 41 is arranged between the two solar panels 2 in the same group and includes a first mounting bracket 411, a first limiting bracket 412 and a first limiting pin 413.

[0032] Reference Figure 3 A first mounting bracket 411 is fixedly connected to a solar panel 2. A first limiting pin 413 passes through the first mounting bracket 411. A connecting assembly 6 is provided on the first mounting bracket 411, which includes a nut 61 and a limiting post 62. The first limiting pin 413 has a first threaded section 4131. The nut 61 is rotatably connected to the first mounting bracket 411 and threadedly engaged with the first threaded section 4131. A mounting hole is opened at the end of the first limiting pin 413, and the limiting post 62 is interference-fitted into the mounting hole. A fixing collar 4111 is fixedly connected to the first mounting bracket 4111. The fixing collar 4111 has an abutting arc groove 4121 that matches the shape of the limiting post 62. The first limiting pin 413 passes through the fixing collar 4111, and the limiting post 62 fits against the abutting arc groove 4121.

[0033] Reference Figure 3 The first limiting frame 412 is fixedly connected to another solar panel 2. The first limiting frame 412 has an abutment groove 4121, and the first limiting pin 413 is located on the rotation path of the abutment groove 4121. An installation assembly 5 is provided between the first mounting frame 411 and the second limiting frame 422. The installation assembly 5 includes a mounting bolt 51, a second anti-loosening washer 52, and a mounting nut 53. The mounting bolt 51 passes between the first mounting frame 411 and the second limiting frame 422, the second anti-loosening washer 52 is fitted onto the mounting bolt 51, and the mounting nut 53 is threaded onto the mounting bolt 51.

[0034] Reference Figure 2 , Figure 4 and Figure 5A bottom limiting assembly 42 is disposed between two adjacent sets of solar panels 2. The bottom limiting assembly 42 includes a second mounting bracket 421, a second limiting bracket 422, and a second limiting pin 423. The second mounting bracket 421 is fixedly connected to one set of solar panels 2, and the second limiting bracket 422 is fixedly connected to the other set of solar panels 2. The second mounting bracket 421 and the second limiting bracket 422 are also mounted via a mounting assembly 5. Two washers 4222 and a roller 4223 are fitted onto the mounting bolt 51 on the second limiting bracket 422. The roller 4223 rolls on the fixed rail 11. An extension 4224 is integrally formed on the second limiting bracket 4222, extending to below the top wall of the fixed rail 11. The fixed rail 11 is located between the two extensions 4224. The extension 4224 is used to prevent the roller 4223 from disengaging from the fixed rail 11.

[0035] Reference Figure 4 The second limiting pin 423 is provided with a second threaded section 4231, which passes through the second mounting bracket 421 and is threadedly engaged with the second mounting bracket 421. A first anti-loosening washer 4232 is fitted on the second limiting pin 423, which is located between the second limiting pin 423 and the second mounting bracket 421.

[0036] Reference Figure 1 A steel wire rope 31 is fixedly connected between the reels on the two control motors 3 and the first set of solar panels 2.

[0037] During installation, the mounting bolts 51 are passed through the first limiting frame 412 and the first mounting frame 411. Then, the second anti-loosening washer 52 and the mounting nut 53 are installed in sequence to install the first limiting frame 412 and the first mounting frame 411. Then, the first limiting pin 413 is passed through the first mounting frame 411 to restrict the rotation of the first limiting pin 413. The horn nut 61 is rotated, and the first limiting pin 413 moves and passes through the fixing collar 4111. The limiting post 62 is interference-fitted into the mounting hole. The first limiting pin 413 is released, and the horn nut 61 is reversed. The limiting post 62 moves and enters the abutment arc groove 4121 to install two adjacent solar panels 2.

[0038] The implementation principle of the limiting device for laying foldable solar panels in this embodiment is as follows: During laying, the external control motor 3 is started to pull the first group of solar panels 2 to move, while the other control motor 3 is in the unwinding state to ensure that the wire rope 31 has a certain tension. The two solar panels 2 of the first group move and rotate, and the first mounting frame 411 and the first limiting frame 412 rotate until the first limiting pin 413 enters the abutting arc groove 4121, so that the two solar panels 2 are in an inverted V state, and continue to move. The second group of solar panels 2 rotates, and the second limiting frame 422 rotates until the second limiting pin 423 enters the second limiting arc groove 4221 to limit the angle between the first group of solar panels 2 and the second group of solar panels 2. This process is repeated to ensure that each subsequent group of solar panels 2 is in an inverted V state, thereby achieving the effect of laying solar panels 2.

[0039] The angle limiting mechanism 4 makes the two solar panels 2 unfold into an inverted V shape. This helps the solar panels 2 to align with the angle of sunlight, enabling them to generate electricity better. It also facilitates the folding and rotation of the solar panels 2 during storage. Compared with existing technologies, the movement of the solar panels 2 does not require manual intervention during storage, achieving fully automatic control and improving the storage efficiency of the foldable solar panels 2.

[0040] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A limiting device for laying out foldable solar panels, characterized in that: The device includes a storage rack (1), solar panels (2), and a control motor (3). The storage rack (1) is provided with several fixed rails (11). Several groups of solar panels (2) are arranged on the fixed rails (11), with two solar panels (2) arranged opposite each other in each group. Rollers (4223) are rotatably connected to the solar panels (2) and roll on the fixed rails (11). One control motor (3) is provided at each end of the storage rack (1) and the fixed rails (11). The output shafts of the two control motors (3) are connected to the first group of solar panels (2) by steel wire ropes (31). An angle limiting mechanism (4) is provided on the solar panels (2). The angle limiting mechanism (4) includes a top limiting component (41) and a limiting component for adjacent groups of solar panels (2). The bottom limiting component (42) for the angle between the solar panels (2) includes a first mounting bracket (411), a first limiting bracket (412), and a first limiting pin (413). The first mounting bracket (411) is connected to one of the solar panels (2), and the first limiting bracket (412) is connected to another solar panel (2). The first mounting bracket (411) and the first limiting bracket (412) are rotatably connected. The first limiting bracket (412) is provided with an abutting arc groove (4121). The first limiting pin (413) is detachably connected to the first mounting bracket (411). The first limiting pin (413) is located on the rotation path of the abutting arc groove (4121). When limiting, the abutting arc groove (4121) fits against the first limiting pin (413).

2. The limiting device for spreading foldable solar panels according to claim 1, characterized in that: The bottom limiting component (42) includes a second mounting bracket (421), a second limiting bracket (422), and a second limiting pin (423). The second mounting bracket (421) is connected to one set of solar panels (2), and the second limiting bracket (422) is connected to another set of solar panels (2). The second limiting bracket (422) has a limiting arc groove (4221). The roller (4223) is detachably connected to the second limiting bracket (422), and the second limiting pin (423) is detachably connected to the second mounting bracket (421) and is located on the rotation path of the limiting arc groove (4221). When limiting, the second limiting pin (423) is located in the limiting arc groove (4221).

3. The limiting device for spreading foldable solar panels according to claim 1, characterized in that: The first mounting bracket (411) is provided with a connecting component (6), the connecting component (6) includes a spur nut (61) and a limiting post (62), the first limiting pin (413) is provided with a first threaded section (4131), the first limiting pin (413) passes through the first mounting bracket (411), the spur nut (61) is rotatably connected to the first mounting bracket (411) and threadedly engaged with the first threaded section (4131), the end of the first limiting pin (413) is provided with a mounting hole, the limiting post (62) is interference-fitted into the mounting hole and abuts against the side wall of the first mounting bracket (411).

4. The limiting device for spreading foldable solar panels according to claim 3, characterized in that: The first mounting bracket (411) is connected to a fixing collar (4111) at its end. The first limiting pin (413) passes through the fixing collar (4111). The fixing collar (4111) has an abutting arc groove (4121) that matches the shape of the limiting post (62). When limiting, the limiting post (62) is embedded in the abutting arc groove (4121).

5. The limiting device for spreading foldable solar panels according to claim 2, characterized in that: The second limiting pin (423) is provided with a second threaded section (4231), which is threadedly engaged with the second mounting bracket (421). A first anti-loosening washer (4232) is sleeved on the second limiting pin (423), and the first anti-loosening washer (4232) is located between the second limiting pin (423) and the second mounting bracket (421).

6. The limiting device for laying out foldable solar panels according to claim 2, characterized in that: Both the bottom limiting component (42) and the top limiting component (41) are provided with mounting components (5). The mounting components (5) include mounting bolts (51), second anti-loosening washers (52) and mounting nuts (53). The mounting bolts (51) pass through the second mounting bracket (421) and the second limiting bracket (422). The mounting nuts (53) are threaded into the end of the mounting bolts (51). The second anti-loosening washers (52) are sleeved on the mounting bolts (51) and located between the mounting nuts (53) and the second mounting bracket (421). The rollers (4223) are sleeved on the mounting bolts (51) and are similarly provided on the top limiting component (41).

7. The limiting device for laying out foldable solar panels according to claim 6, characterized in that: Two washers (4222) are fitted on the mounting bolt (51), and the roller (4223) is located between the two washers (4222).

8. The limiting device for spreading foldable solar panels according to claim 2, characterized in that: The second limiting frame (422) is provided with an extension (4224) that extends to the bottom of the top wall of the fixed rail (11) and the fixed rail (11) is located between the two extensions (4224).

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