Current output device and photovoltaic folding panel

Abstract

The utility model discloses a current output device and photovoltaic folding board relates to solar energy equipment technical field, wherein, current output device is used for photovoltaic folding board, and photovoltaic folding board includes at least two pieces of foldable photovoltaic board, and the periphery of photovoltaic board has the protection frame. Current output device is located at the corner of photovoltaic board protection frame, and includes output casing, output assembly and magnetic piece. The output casing is wrapped protection frame corner, and has the installation space in. The output wire one end of output assembly is in the casing, and the other end is inserted into the installation space, and is electrically connected with photovoltaic board through the electric control board. The magnetic piece is located in the installation space, and is close to the side wall of casing away from photovoltaic board, and the other photovoltaic board protection frame also is equipped with magnetic piece in corresponding position. The technical scheme provided by the utility model can reduce the volume of current output device on photovoltaic folding board.

Description

Technical Field

[0001] This utility model relates to the field of solar energy equipment technology, and in particular to a current output device and a photovoltaic folding plate. Background Technology

[0002] In the design of photovoltaic folding panels, the current output device (i.e., junction box) of the photovoltaic folding panel is generally protruding from the edge of the photovoltaic panel. When the photovoltaic folding panel is folded and stored, the junction box will not fold relative to the photovoltaic panel. Therefore, the junction box will occupy part of the storage space, which is not convenient for storing the photovoltaic folding panel. Utility Model Content

[0003] The main purpose of this invention is to provide a current output device and a photovoltaic folding plate, which aims to reduce the size of the current output device on the photovoltaic folding plate.

[0004] To achieve the above objectives, the present invention proposes a current output device for a photovoltaic folding panel, wherein the photovoltaic folding panel includes at least two photovoltaic panels that can be stacked together, and a protective frame is provided around the circumference of the photovoltaic panels. The current output device is located at the corner of the protective frame of at least one of the photovoltaic panels, and the current output device includes:

[0005] The output housing encloses one corner of the protective frame, and an installation space is formed inside the output housing.

[0006] The output component includes an electronic control board and an output wire. The output end of the output wire is located outside the output housing, and the input end of the output wire extends from the outside of the output housing into the mounting space and is electrically connected to the photovoltaic panel through the electronic control board.

[0007] A magnetic component is provided in the installation space and is disposed on the side wall away from the photovoltaic panel near the output housing in the thickness direction of the photovoltaic panel. The protective frame of another photovoltaic panel is provided with another magnetic component corresponding to the magnetic component.

[0008] In one embodiment, the output housing includes a corner protector and a mounting cover. The corner protector is used to wrap around the corner of the protective frame, and the corner protector has a first mounting notch on one side of the photovoltaic panel in the thickness direction. The magnetic component is disposed in the first mounting notch, and the mounting cover covers the first mounting notch.

[0009] In one embodiment, the corner protector shell is provided with a positioning structure for placing the magnetic component.

[0010] In one embodiment, the current output device further includes a first base, the protective frame is provided with a first clearance notch corresponding to the first base, the first mounting notch is connected to the first clearance notch, the first base is disposed at the first clearance notch and abuts against the side wall of the first clearance notch, and the positioning structure is provided on the side near the first mounting notch.

[0011] In one embodiment, the mounting cover includes a connecting section and a housing shell connected together. The connecting section is connected to the protective frame and covers the magnetic component. The housing shell covers part of the photovoltaic panel to accommodate the electronic control board and has a clearance opening corresponding to the output wire.

[0012] In one embodiment, mounting feet are provided at both ends of the first mounting notch. The mounting feet are connected to the protective frame. The connecting segment includes a first segment and a second segment spaced apart. The first segment covers the magnetic component at the first mounting notch and is connected to the protective frame. The second segment is located on the side of the mounting foot away from the first mounting notch and is connected to the protective frame.

[0013] In one embodiment, the thickness of the protective frame on the back side of the photovoltaic panel is greater than the thickness of the protective frame on the front side of the photovoltaic panel, and the magnetic component and the output component are both disposed on the back side of the photovoltaic panel.

[0014] This utility model also proposes a photovoltaic folding panel, comprising:

[0015] At least two photovoltaic panels, and adjacent photovoltaic panels can be rotatably connected around a rotation axis, and have a stacked state and an unfolded state. The photovoltaic panels are provided with a protective frame around their circumference, and a connection station is provided between two adjacent photovoltaic panels at the corners of the two adjacent protective frames away from the rotation axis.

[0016] A current output device, wherein at least one current output device is provided and is located at the connection station, and has the magnetic component;

[0017] The corner protector assembly includes a first corner protection housing disposed at the connection station, wherein the first corner protection housing is provided with the magnetic element, and the magnetic elements disposed opposite to each other on two adjacent photovoltaic panels can be magnetically connected.

[0018] In one embodiment, the first corner housing includes a corner shell and a cover plate. The corner shell is used to wrap around the corner of the protective frame, and the corner shell has a second mounting notch on one side of the photovoltaic panel in the thickness direction. The magnetic component or the magnetic component is disposed in the second mounting notch, and the cover plate covers the second mounting notch.

[0019] In one embodiment, the first corner housing further includes a second base, the protective frame is provided with a second clearance notch corresponding to the second base, the second mounting notch is connected to the second clearance notch, the second base is disposed at the second clearance notch and abuts against the side wall of the second clearance notch, and a positioning structure for placing the magnetic component is provided on the side near the second mounting notch, and the end of the cover plate away from the second mounting notch is folded into a folding plate in the direction close to the photovoltaic panel, the folding plate covering the second clearance notch.

[0020] In one embodiment, the corner protection assembly further includes a second corner housing located between two adjacent photovoltaic panels. The second corner housing is disposed at the corner of the two adjacent protective frames near the rotation axis, and the second corner housing has the same structural configuration as the first corner housing.

[0021] The technical solution of this utility model reduces the volume of the current output device on the photovoltaic panel by placing it at the corner of the photovoltaic panel. Since the output housing protects both the top corner of the photovoltaic panel and the output components, it is understandable that the control board is integrated into the housing surrounding the corner of the protective frame. This significantly reduces the volume of the current output device on the photovoltaic panel, making the overall layout of the photovoltaic panel more compact and improving space utilization. This also reduces the volume occupied by the photovoltaic panel in the storage space when folded, which is beneficial for storage. Furthermore, a magnetic component is installed inside the output housing, and a corresponding magnetic component is installed on another photovoltaic panel, allowing the photovoltaic panel to be magnetically fixed in the folded state. This prevents the folded panel from automatically unfolding or loosening due to external forces during carrying, transportation, or storage, ensuring the stability of the folded state. It also prevents the folded panel from loosening or deforming due to vibration, bumps, or other external forces during transportation or use, reducing the risk of equipment damage. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the unfolded structure of an embodiment of the photovoltaic folding panel provided by this utility model;

[0024] Figure 2 for Figure 1 The illustrated embodiment is a structural diagram when folded.

[0025] Figure 3 An exploded view of an embodiment of the current output device provided by this utility model;

[0026] Figure 4 for Figure 3 Exploded view of a partial structure of the embodiment shown;

[0027] Figure 5 for Figure 1 Exploded view of the first enclosure shell in the embodiment shown;

[0028] Figure 6 for Figure 1 An exploded view of a portion of the first enclosure shell in the illustrated embodiment.

[0029] Explanation of icon numbers:

[0030] 100. Current output device; 11. Output housing; 111. Installation space; 112. Corner guard; 113. First mounting notch; 114. Mounting foot; 115. Mounting cover; 116. Connecting section; 117. First section; 118. Second section; 119. Receiving housing; 12. Output assembly; 121. Control board; 122. Output wire; 13. First base; 131. Positioning structure; 132. Positioning groove;

[0031] 200. Photovoltaic panel; 21. Protective frame; 211. First clearance notch; 212. Connection station; 213. Second clearance notch;

[0032] 300. Magnetic components;

[0033] 400. Corner protector assembly; 41. First corner protector housing; 411. Corner enclosure; 412. Second mounting notch; 413. Cover plate; 414. Folding plate; 42. Second base; 43. Second corner protector housing;

[0034] 500, Electrical connection pin.

[0035] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0036] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0037] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0038] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0039] This utility model proposes a current output device.

[0040] Please see Figures 1 to 6 In one embodiment of this utility model, the current output device 100 is used for a photovoltaic folding panel. The photovoltaic folding panel includes at least two photovoltaic panels 200 that can be stacked together. A protective frame 21 is provided around the circumference of the photovoltaic panel 200. The current output device 100 is located at the corner of the protective frame 21 of at least one photovoltaic panel 200. The current output device 100 includes:

[0041] The output housing 11 encloses one corner of the protective frame 21, and an installation space 111 is formed inside the output housing 11.

[0042] The output component 12 includes an electronic control board 121 and an output wire 122. The output end of the output wire 122 is located outside the output housing 11, and the input end of the output wire 122 extends from the outside of the output housing 11 into the installation space 111 and is electrically connected to the photovoltaic panel 200 through the electronic control board 121.

[0043] A magnetic component 300 is provided in the installation space 111 and is located on the side wall away from the photovoltaic panel 200 near the output housing 11 in the thickness direction of the photovoltaic panel 200. Another magnetic component 300 corresponding to the magnetic component 300 is provided on the protective frame 21 of another photovoltaic panel 200.

[0044] The technical solution of this utility model reduces the volume of the current output device 100 on the photovoltaic folding panel by placing the current output device 100 at the corner of the photovoltaic panel 200. Since the output housing 11 protects both the top corner of the photovoltaic panel 200 and the output component 12, it is understood that the control board 121 is integrated into the housing surrounding the corner of the protective frame 21. This significantly reduces the volume of the current output device 100 on the photovoltaic folding panel, making the overall layout of the photovoltaic folding panel more compact and improving space utilization. This reduces the volume occupied by the photovoltaic folding panel in the storage space when folded, which is beneficial for its storage. Furthermore, a magnetic component 300 is installed inside the output housing 11, and a corresponding magnetic component 300 is installed on another photovoltaic panel 200, so that the photovoltaic folding panel can be magnetically fixed in the folded state. This prevents the folding panel from automatically unfolding or loosening due to external forces during carrying, transportation, or storage, ensuring the stability of the folded state. To prevent the folding panels from loosening or deforming due to external forces such as vibration and bumps during transportation or use, thereby reducing the risk of equipment damage.

[0045] In one embodiment, the output housing 11 includes a corner protector 112 and a mounting cover 115. The corner protector 112 is used to cover the corners of the protective frame 21, and the corner protector 112 has a first mounting notch 113 on one side of the photovoltaic panel 200 in the thickness direction. The magnetic component 300 is disposed in the first mounting notch 113, and the mounting cover 115 covers the first mounting notch 113. That is, by removing the mounting cover 115, the magnetic component 300 can be exposed, making the magnetic component 300 easier to install and helping to reduce the distance between magnetic components 300, thereby increasing the stability of the magnetic connection between magnetic components 300. In other embodiments, the mounting cover 115 may not be provided.

[0046] In one embodiment, the corner protector 112 is provided with a positioning structure 131 for placing the magnetic component 300. The positioning structure 131 can indicate the installation position of the magnetic component 300 and can prevent the magnetic component 300 from shaking inside the corner protector 112 and deviating from its corresponding position during the transportation of the photovoltaic folding panel. Further, the current output device 100 also includes a first base 13, and the protective frame 21 is provided with a first clearance notch 211 corresponding to the first base 13. In the first clearance notch 211, the side of the base away from the first mounting notch 113 abuts against the photovoltaic panel 200, and the side close to the first mounting notch 113 is provided with the positioning structure 131. The positioning structure 131 includes a positioning groove 132. The arrangement of the first base 13 helps to lift the magnetic component 300 so that the magnetic component 300 is close to the mounting cover 115. In other embodiments, the positioning structure 131 may also be configured as a limiting post.

[0047] In one embodiment, the first base 13 abuts against the sidewall of the first clearance notch 211 to cooperate with the protective frame 21 on the photovoltaic panel 200, reducing the impact of the first clearance notch 211 on the strength of the protective frame 21 and preventing the protective frame 21 from loosening relative to the photovoltaic panel 200 after prolonged use. In other embodiments, the first base 13 may be omitted, and the positioning groove 132 may be formed at the corner of the protective frame 21.

[0048] In one embodiment, the thickness of the protective frame 21 on the back side of the photovoltaic panel 200 is greater than the thickness of the protective frame 21 on the front side of the photovoltaic panel 200. Both the magnetic component 300 and the output component 12 are located on the back side of the photovoltaic panel 200. That is, when the corner protector 112 wraps around the corner of the protective frame 21, the corner protector 112 has a larger space on the back side of the photovoltaic panel 200 to integrate the magnetic component 300 and the output component 12. Understandably, when the photovoltaic folding panel is folded and stored, the output component 12 is stacked between the two photovoltaic panels 200, resulting in a smaller volume and more aesthetically pleasing appearance after folding. Furthermore, the first clearance notch 211 penetrates the protective frame 21 in the thickness direction of the photovoltaic panel 200. The first base 13 is located on the side of the photovoltaic panel 200 with the magnetic component 300. A sidewall panel on the corner protector 112 without the first mounting notch 113 covers the first clearance notch 211 on the other side of the photovoltaic panel 200. In other embodiments, the magnetic element 300 and the output component 12 may be disposed on opposite sides of the photovoltaic panel 200.

[0049] In one embodiment, the mounting cover 115 includes a connecting section 116 and a receiving shell 119 connected together. The connecting section 116 is connected to the protective frame 21 and covers the magnetic component 300. The receiving shell 119 covers part of the photovoltaic panel 200 to accommodate the electronic control board 121, and has a clearance opening corresponding to the output wire 122. That is, the mounting space 111 can extend on the photovoltaic panel 200, which helps to further reduce the volume of the current output device 100 protruding from the photovoltaic panel 200, so that when the photovoltaic folding panel is folded and stored, the current output device 100 can be stacked between the stacked photovoltaic panels 200, further reducing the volume of the folded photovoltaic panel, so as to facilitate the storage of the photovoltaic folding panel. In other embodiments, the mounting cover 115 may also include a receiving shell 119, and the electronic control board 121 may be disposed inside the corner protector shell 112.

[0050] In one embodiment, mounting feet 114 are provided at both ends of the first mounting notch 113. The mounting feet are connected to the protective frame 21. The connecting segment 116 includes a first segment 117 and a second segment 118 that are spaced apart. The first segment 117 covers the magnetic component 300 at the first mounting notch 113 and is connected to the protective frame 21. The second segment 118 is located on the side of a mounting foot 114 away from the first mounting notch 113 and is connected to the protective frame 21. Furthermore, the mounting foot 114 is provided with a buckle that cooperates with the protective frame 21 to securely engage the corner protector shell 112 with the protective frame 21. The gap between the first segment 117 and the second segment 118 is used to avoid the mounting foot 114, and both the first segment 117 and the second segment 118 are fixedly connected to the protective frame 21 with screws to fix the housing shell 119 onto the photovoltaic panel 200. This allows the mounting cover 115 and the corner protector shell 112 to form a single unit, making the corner of the photovoltaic panel 200 flat and aesthetically pleasing, and reducing the space occupied by the output housing 11 on the back side of the photovoltaic panel 200. In other embodiments, the connecting segment 116 may only have the first segment 117.

[0051] With the continuous development of photovoltaic technology, foldable photovoltaic panels are being used more and more widely in portable photovoltaic power generation equipment, outdoor equipment charging, and space-constrained application scenarios. In these application scenarios, foldable photovoltaic panels need to remain stable in the folded state for easy carrying, transportation, and storage, while also being able to unfold quickly and conveniently for use.

[0052] Traditional photovoltaic folding panels typically rely on mechanical clips, straps, or other similar securing devices to maintain their folded state. However, these traditional methods have several problems and shortcomings. For example, mechanical clips are prone to wear and loosening due to frequent folding and unfolding during long-term use, leading to a decrease in securing effect and failing to effectively prevent the folding panel from loosening and deforming during transportation or use. Furthermore, straps and other securing methods are not only cumbersome, requiring significant time and effort to bind and unbind, but may also scratch or otherwise damage the surface of the photovoltaic panel 200 during the binding process, affecting its performance and lifespan.

[0053] Furthermore, in complex operating environments such as outdoor adventures, camping, military applications, or emergency rescue, photovoltaic folding panels may be subjected to varying degrees of vibration and bumps. Traditional folding and fixing methods are insufficient to effectively resist these external forces, easily leading to structural loosening of the folding panels, component damage, and even affecting the normal operation of the entire photovoltaic system, increasing equipment maintenance costs and usage risks.

[0054] This utility model also proposes a photovoltaic folding panel, which includes at least two photovoltaic panels 200, corner protectors 400, and a current output device 100. The specific structure of the current output device 100 is as described in the above embodiments. Since this photovoltaic folding panel adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here. Adjacent photovoltaic panels 200 can be rotatably connected around a rotation axis and have a stacked state and an unfolded state. A protective frame 21 is provided around the circumference of the photovoltaic panel 200. Between two adjacent photovoltaic panels 200, a connection station 212 is provided at the corner of the two adjacent protective frames 21 away from the rotation axis. At least one current output device 100 is provided and is located at the connection station 212, and has a magnetic component 300. The corner protector 400 includes a first corner housing 41 located at the connection station 212, and a magnetic component 300 is provided inside the first corner housing 41. The magnetic components 300 arranged opposite each other on two adjacent photovoltaic panels 200 can be magnetically connected.

[0055] In this utility model's technical solution, it is understood that the magnetic component 300 is located at the connection station 212 to magnetically fix the folded photovoltaic panel 200 when it is in a folded state. In the folded state, the magnetic structure provides additional fixing force to the photovoltaic folded panel, enhancing its structural stability. This prevents the folded panel from loosening or deforming due to external forces such as vibration or bumps during transportation or use, reducing the risk of equipment damage.

[0056] In one embodiment, the first corner housing 41 includes a corner shell 411 and a cover plate 413. The corner shell 411 is used to wrap the corner of the protective frame 21, and the corner shell 411 has a second mounting notch 412 on one side of the photovoltaic panel 200 in the thickness direction. The magnetic element 300 or the magnetic element 300 is disposed in the second mounting notch 412, and the cover plate 413 covers the second mounting notch 412. Furthermore, the first corner housing 41 also includes a second base 42. The protective frame 21 is provided with a second clearance notch 213 corresponding to the second base 42. The second mounting notch 412 is connected to the second clearance notch 213. The second base 42 is located at the second clearance notch 213 and abuts against the side wall of the second clearance notch 213. A positioning structure 131 for placing the magnetic component 300 is provided on the side near the second mounting notch 412. The end of the cover plate 413 away from the second mounting notch 412 is folded towards the photovoltaic panel 200 to form a folding plate 414, which covers the second clearance notch 213. It is understandable that the structure of the corner housing 411 is the same as that of the corner housing 112, the structure of the first base 13 and the second base 42 is the same, and the structure of the first clearance notch 211 and the second clearance notch 213 is the same. That is, the installation position and connection relationship of the magnetic component 300 in the output housing 11 are the same as those in the first corner housing 41. These will not be described in detail here.

[0057] In one embodiment, the photovoltaic panel 200 has an electrical connection pin 500 extending into the mounting space 111, which is electrically connected to the control board 121 to transmit the current generated on the photovoltaic panel 200 to the output conductor 122. Further, the electrical connection pin 500 is soldered to the photovoltaic panel 200. In other embodiments, the control board 121 and the photovoltaic panel 200 are electrically connected via wires.

[0058] In one embodiment, the corner protector assembly 400 further includes a second corner protector housing 43. Between two adjacent photovoltaic panels 200, the second corner protector housing 43 is disposed at the corner of two adjacent protective frames 21 near the rotation axis. The second corner protector housing 43 has the same structural configuration as the first corner protector housing 41. That is, the second corner protector housing 43 does not contain a magnetic element 300; the second corner protector housing 43 is used to protect the corner of the protective frame 21. In other embodiments, the second corner protector housing 43 may contain a magnetic element 300.

[0059] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A current output device for a photovoltaic folding panel, the photovoltaic folding panel comprising at least two photovoltaic panels capable of being stacked together, the photovoltaic panels having a protective frame around their circumference, the current output device being disposed at a corner of the protective frame of at least one of the photovoltaic panels, characterized in that, The current output device includes: The output housing encloses one corner of the protective frame, and an installation space is formed inside the output housing. The output component includes an electronic control board and an output wire. The output end of the output wire is located outside the output housing, and the input end of the output wire extends from the outside of the output housing into the mounting space and is electrically connected to the photovoltaic panel through the electronic control board. A magnetic component is provided in the installation space and is disposed on the side wall away from the photovoltaic panel near the output housing in the thickness direction of the photovoltaic panel. The protective frame of another photovoltaic panel is provided with another magnetic component corresponding to the magnetic component.

2. The current output device as described in claim 1, characterized in that, The output housing includes a corner protector and a mounting cover. The corner protector is used to wrap the corner of the protective frame, and the corner protector has a first mounting notch on one side of the photovoltaic panel in the thickness direction. The magnetic component is disposed in the first mounting notch, and the mounting cover covers the first mounting notch.

3. The current output device as described in claim 2, characterized in that, The corner protector shell is provided with a positioning structure for placing the magnetic component.

4. The current output device of claim 3, wherein, The current output device further includes a first base, and the protective frame is provided with a first clearance notch corresponding to the first base. The first mounting notch is connected to the first clearance notch. The first base is disposed at the first clearance notch and abuts against the side wall of the first clearance notch. The positioning structure is provided on the side near the first mounting notch.

5. The current output device of claim 2, wherein, The mounting cover includes a connecting section and a housing shell connected together. The connecting section is connected to the protective frame and covers the magnetic component. The housing shell covers part of the photovoltaic panel to accommodate the electronic control board and has a clearance opening corresponding to the output wire.

6. The current output device of claim 5, wherein, The first mounting notch has mounting feet at both ends, which are connected to the protective frame. The connecting segment includes a first segment and a second segment spaced apart. The first segment covers the magnetic component at the first mounting notch and is connected to the protective frame. The second segment is located on the side of the mounting foot away from the first mounting notch and is connected to the protective frame.

7. The current output device of claim 1, wherein, The thickness of the protective frame on the back side of the photovoltaic panel is greater than the thickness of the protective frame on the front side of the photovoltaic panel, and the magnetic component and the output component are both located on the back side of the photovoltaic panel.

8. A photovoltaic folding panel characterized by, include: At least two photovoltaic panels, and adjacent photovoltaic panels can be rotatably connected around a rotation axis, and have a stacked state and an unfolded state. The photovoltaic panels are provided with a protective frame around their circumference, and a connection station is provided between two adjacent photovoltaic panels at the corners of the two adjacent protective frames away from the rotation axis. The current output device as described in any one of claims 1 to 7, wherein at least one current output device is provided and located at the connection station, and has the magnetic element; The corner protector assembly includes a first corner protection housing disposed at the connection station, wherein the first corner protection housing is provided with the magnetic element, and the magnetic elements disposed opposite to each other on two adjacent photovoltaic panels can be magnetically connected.

9. The photovoltaic folding panel of claim 8, wherein, The first corner housing includes a corner shell and a cover plate. The corner shell is used to wrap the corner of the protective frame, and the corner shell has a second mounting notch on one side of the photovoltaic panel in the thickness direction. The magnetic component or the magnetic component is disposed in the second mounting notch, and the cover plate covers the second mounting notch.

10. The photovoltaic folding panel of claim 9, wherein, The first corner housing also includes a second base. The protective frame is provided with a second clearance notch corresponding to the second base. The second mounting notch is connected to the second clearance notch. The second base is located at the second clearance notch and abuts against the side wall of the second clearance notch. The positioning structure for placing the magnetic component is provided on the side near the second mounting notch. The end of the cover plate away from the second mounting notch is folded into a folding plate in the direction close to the photovoltaic panel. The folding plate covers the second clearance notch. And / or, the corner protection assembly further includes a second corner housing, located between two adjacent photovoltaic panels, at the corners of the two adjacent protective frames near the rotation axis, the second corner housing having the same structural configuration as the first corner housing.

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