Photovoltaic device

Abstract

The embodiment of the invention provides photovoltaic equipment. The photovoltaic equipment comprises a plurality of photovoltaic devices and adapters. Each photovoltaic device includes a photovoltaic panel. The adapter piece comprises a first rotating piece and a second rotating piece rotationally connected with the first rotating piece, the first rotating piece is fixed on one of the two adjacent photovoltaic devices, the second rotating piece is fixed on the other photovoltaic device, the first rotating piece is electrically connected with the adjacent photovoltaic device, and the second rotating piece is electrically connected with the adjacent photovoltaic device. And the second rotating piece is electrically connected with the other adjacent photovoltaic device. The photovoltaic equipment can be in a folded state and an unfolded state, and when the photovoltaic equipment is in the unfolded state, every two adjacent photovoltaic devices are kept at a preset angle through an adapter. According to the invention, the adapters realize both electrical connection and mechanical connection between the photovoltaic devices, on one hand, the electric energy transmission between the photovoltaic panels is more direct and efficient, on the other hand, the angle between two adjacent photovoltaic devices is limited, and the illumination stability and the illumination area of the photovoltaic devices are increased.

Description

Technical Field

[0001] The present application relates to the technical field of photovoltaic devices, and more specifically, to a photovoltaic device. Background Art

[0002] Photovoltaic panels are devices that convert solar energy into light energy. In order to reduce and increase the amount of power generated and make photovoltaic panels easier to carry, it is often necessary to electrically connect multiple photovoltaic panels. How to use photovoltaic panels more conveniently has become a technical problem to be solved. Summary of the invention

[0003] An embodiment of the present application provides a photovoltaic device.

[0004] The photovoltaic device of the embodiment of the present invention includes a plurality of photovoltaic devices and an adapter. Each of the photovoltaic devices includes a photovoltaic panel. The adapter connects two adjacent photovoltaic devices, and the adapter includes a first rotating member and a second rotating member rotatably connected to the first rotating member. The first rotating member is fixed to one of the two adjacent photovoltaic devices, and the second rotating member is fixed to the other photovoltaic device. The first rotating member is electrically connected to one of the adjacent photovoltaic devices, and the second rotating member is electrically connected to the other adjacent photovoltaic device. The photovoltaic device can be in a folded state and an unfolded state. When the photovoltaic device is in the unfolded state, the two adjacent photovoltaic devices are maintained at a predetermined angle by the adapter.

[0005] In this way, the adapter realizes both electrical and mechanical connection between photovoltaic devices. On the one hand, it makes the power transmission between photovoltaic panels more direct and efficient. On the other hand, it limits the angle between two adjacent photovoltaic devices, increases the lighting stability and lighting area of ​​the photovoltaic devices, and is conducive to the photovoltaic equipment to convert solar energy into electrical energy.

[0006] In some embodiments, the first rotating member is provided with a first adapter hole, the second rotating member is provided with a second adapter hole coaxially arranged with the first adapter hole, and the adapter member further includes a rotating shaft, which is inserted into the first adapter hole and the second adapter hole.

[0007] In some embodiments, the rotating shaft is provided with a through hole, and the adapter also includes a wiring harness passing through the through hole, one end of the wiring harness is electrically connected to one of the two adjacent photovoltaic devices, and the other end is electrically connected to the other photovoltaic device.

[0008] In some embodiments, a wiring port is provided in the first adapter hole, the wiring port is connected to a first wiring box of one of the two adjacent photovoltaic devices, the rotating shaft is electrically connected to a second wiring box connected to the other photovoltaic device, and the rotating shaft is movably inserted into the second adapter hole to be electrically connected to the wiring port.

[0009] In some embodiments, the first rotating member is provided with a slot, the first adapter hole is connected to the slot, there are two first adapter holes, and the two first adapter holes are respectively located on both sides of the slot, there are two rotating shafts, and the two rotating shafts are arranged in the second adapter hole at intervals, the second adapter member is partially accommodated in the slot, and the rotating shaft extends from the second adapter hole and is inserted into a corresponding one of the first adapter holes.

[0010] In some embodiments, the adapter also includes a handle connected to the rotating shaft, and the second rotating member is provided with an avoidance groove for movement of the handle, and the avoidance groove is connected to the second adapter hole and extends along the axial direction of the second adapter hole.

[0011] In some embodiments, the adapter also includes an elastic member disposed in the second adapter hole, wherein the elastic member connects the two rotating shafts. When an external force is applied to the handle, the two rotating shafts approach each other and retract into the second adapter hole and the elastic member is compressed. After the external force is unloaded, the elastic member applies elastic force to the two rotating shafts so that the rotating shafts extend out of the second adapter hole.

[0012] In some embodiments, the two adjacent photovoltaic devices are respectively a first photovoltaic device and a second photovoltaic device. The first rotating member includes a first adapter portion, a first mounting portion and a first abutting portion, the first mounting portion and the first abutting portion are both connected to the first adapter portion, the first mounting portion is fixedly connected to the frame of the first photovoltaic device, the first mounting portion is provided with the first adapter hole, and the first abutting portion abuts against the frame of the second photovoltaic device when the first photovoltaic device and the second photovoltaic device are unfolded. The second rotating member includes a second adapter portion, a second mounting portion and a second abutting portion, the second mounting portion and the second abutting portion are both connected to the second adapter portion, the second mounting portion is fixedly connected to the frame of the second photovoltaic device, the second mounting portion is provided with the second adapter hole, and the second abutting portion abuts against the frame of the first photovoltaic device when the first photovoltaic device and the second photovoltaic device are unfolded.

[0013] In some embodiments, the photovoltaic panel includes a substrate, a battery cell and a light-transmitting cover plate, the battery cell is arranged on the substrate, the light-transmitting cover plate covers the battery cell, the photovoltaic device includes a first cylinder portion arranged on the frame, the first cylinder portion is arranged on one side of the light-transmitting cover plate, and when the photovoltaic device is in a folded state, the first cylinder portions of two adjacent photovoltaic devices abut against each other to form a accommodating space between the two photovoltaic devices.

[0014] In some embodiments, the photovoltaic device further includes a second barrel portion, which is disposed on one side of the substrate, and the second barrel portion is aligned with the first barrel portion along a thickness direction of the photovoltaic panel.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 is a three-dimensional schematic diagram of a photovoltaic device in a folded state according to an embodiment of the present invention;

[0018] Figure 2 is a three-dimensional schematic diagram of a photovoltaic device in an unfolded state according to an embodiment of the present invention;

[0019] Figure 3 is a plan view schematically showing a photovoltaic device according to an embodiment of the present invention in a folded state;

[0020] Figure 4 is another three-dimensional schematic diagram of a photovoltaic device in an unfolded state according to an embodiment of the present invention;

[0021] Figure 5 yes Figure 4 Another angle schematic diagram of the photovoltaic device;

[0022] Figure 6 is a partially enlarged schematic diagram of a photovoltaic device in a folded state according to an embodiment of the present invention;

[0023] Figure 7 is a three-dimensional schematic diagram of a photovoltaic device according to an embodiment of the present invention;

[0024] Figure 8 is a three-dimensional schematic diagram of a photovoltaic device according to an embodiment of the present invention from another angle;

[0025] Fig. 9 is a schematic plan view of a photovoltaic device according to an embodiment of the present invention;

[0026] Fig.10 is a three-dimensional schematic diagram of a first junction box of a photovoltaic device according to an embodiment of the present invention;

[0027] Fig.11 is an exploded schematic diagram of a first junction box of a photovoltaic device according to an embodiment of the present invention;

[0028] Fig.12 is a three-dimensional schematic diagram of a frame of a photovoltaic device according to an embodiment of the present invention;

[0029] Fig.13 is an exploded schematic diagram of a frame of a photovoltaic device according to an embodiment of the present invention;

[0030] Fig.14 is an enlarged schematic diagram of a frame portion of a photovoltaic device according to an embodiment of the present invention;

[0031] Fig.15 is a partially enlarged schematic diagram of a photovoltaic device in an expanded state according to an embodiment of the present invention;

[0032] Fig.16 It is one of the three-dimensional schematic diagrams of the adapter according to the embodiment of the present invention;

[0033] Fig.17 This is the second three-dimensional schematic diagram of the adapter according to the embodiment of the present invention;

[0034] Fig.18 It is one of the exploded schematic diagrams of the adapter according to the embodiment of the present invention;

[0035] Fig.19 This is the third three-dimensional schematic diagram of the adapter according to the embodiment of the present invention;

[0036] Fig. 20 This is a fourth three-dimensional schematic diagram of the adapter according to the embodiment of the present invention;

[0037] Fig.21 This is the second exploded schematic diagram of the adapter according to the embodiment of the present invention.

[0038] Description of main component symbols:

[0039] 1000-photovoltaic equipment; 100-photovoltaic device; 110-accommodation space; 10-photovoltaic panel; 11-substrate; 12-cell; 13-translucent cover; 14-positive wiring; 141-first positive terminal; 142-second positive terminal; 15-negative wiring; 151-first negative terminal; 152-second negative terminal; 16-positive drainage line; 161-positive drainage section; 17-negative drainage line; 171-negative drainage section; 20-frame; 21-enclosing piece; plug-in hole 210; 211-long member; 212-short member; 213-through hole; 22-connector; 221-connecting part; 222-plug-in part; 223-threaded hole; 23-marker; 24-mounting slot; 25-mounting hole; 30-junction box; 31-first Junction box; 32-second junction box; 321-box body; 3211-storage space; 3212-plug interface; 3213-opening; 3214-limiting rib; 322-box cover; 323-junction socket; 3231-limiting groove; 33-cable; 40-first barrel; 50-second barrel; 200-adapter; 201-first rotating member; 2011-first adapter hole; 2012-slot; 2013-first adapter part; 2014-first mounting part; 2015-first abutment part; 202-second rotating member; 2021-second adapter hole; 2022-avoidance groove; 2023-second adapter part; 2024-second mounting part; 2025-second abutment part; 203-rotating shaft; 204-handle; 205-elastic member. DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0044] The disclosure below provides many different embodiments or examples to realize different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplicity and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0045] See also Figure 1-Figure 3 The photovoltaic device 1000 of the embodiment of the present application includes a photovoltaic device 100 and an adapter 200. The number of photovoltaic devices 100 is multiple, for example, the number of photovoltaic devices 100 can be 2, 4, 5, 6, and 8. Multiple photovoltaic devices 100 can be rotatably connected through the adapter 200, or in other words, the adapter 200 can connect two adjacent photovoltaic devices 100. The photovoltaic device 100 is in a plate shape as a whole, and the photovoltaic device 100 has a long edge and a short edge substantially perpendicular to the long edge.

[0046] In one embodiment, one side of each photovoltaic device 100 is rotatably connected to one side of another photovoltaic device 100, and the other side of each photovoltaic device 100 is used to abut against the bearing surface. In other words, multiple photovoltaic devices 100 can be detachably connected end to end in sequence, for example, multiple photovoltaic devices 100 can be detachably connected end to end along the width direction of the photovoltaic device 100, that is, the long edges of multiple photovoltaic devices 100 can be detachably connected through the adapter 200, which is conducive to the assembly and disassembly of the photovoltaic device 1000 and the use of the photovoltaic device 1000.

[0047] Since the plurality of photovoltaic devices 1000 are connected by rotation, the photovoltaic device 1000 can be in a folded state and an unfolded state. When the photovoltaic device 1000 is in the folded state, the plurality of photovoltaic devices 100 are stacked and arranged. Figure 3 When the photovoltaic device 1000 is in the unfolded state, a predetermined angle α is formed between two adjacent photovoltaic devices 1000, as shown in FIG. Figure 2 As shown. Exemplarily, when the photovoltaic device 1000 is in the unfolded state, the two adjacent photovoltaic devices 100 are kept at a predetermined angle by the adapter 200. In this way, the photovoltaic device 1000 is convenient to store and transport when it is folded, and when the photovoltaic device 1000 is in the unfolded state, the angle between the two adjacent photovoltaic devices 100 is limited to a predetermined angle by the adapter 200, so that the state of the photovoltaic device 1000 remains stable, and the illumination area of ​​the photovoltaic device 100 is increased, which is conducive to the photovoltaic device 1000 converting solar energy into electrical energy.

[0048] In one example, the predetermined angle α is, for example, 120°-150°, for example, the predetermined angle α may be 120°, 125°, 130°, 140° or 150°, etc. In this way, the photovoltaic device 100 has a larger unfolding area, which is beneficial for the photovoltaic device 1000 to convert solar energy into electrical energy.

[0049] It can be understood that, in some other embodiments, the predetermined angle α is, for example, 50°-170°. For example, the predetermined angle α can be 50°, 60°, or 70°.

[0050] Adjacent photovoltaic devices 100 are arranged at an incline relative to the supporting surface. On the one hand, this can save the floor space of the photovoltaic equipment 1000 without reducing the power generation capacity. On the other hand, when there are obstructions such as leaves on the photovoltaic device 100, the leaves and other obstructions can slide off the surface of the photovoltaic device 100, thereby preventing the photovoltaic device 100 from being partially blocked and causing a reduction in power generation capacity.

[0051] See also Figure 4-Figure 6 In some embodiments, the photovoltaic devices 100 are electrically connected to each other through the adapter 200. In this way, the adapter 200 realizes both electrical and mechanical connection between the photovoltaic devices 100, which makes the power transmission between the photovoltaic panels 10 more direct and efficient on the one hand, and limits the angle between two adjacent photovoltaic devices 100 on the other hand, increases the light stability and light area of ​​the photovoltaic device 100, and is conducive to the photovoltaic device 1000 to convert solar energy into electrical energy.

[0052] See also Figure 7-Figure 9 In some embodiments, the photovoltaic device 100 may include a photovoltaic panel 10, a frame 20, a junction box 30, a first barrel 40 and a second barrel 50, and the photovoltaic panel 10 is disposed on the frame 20, for example, the frame 20 wraps the edge of the photovoltaic panel 10, or the edge of the photovoltaic panel 10 is embedded in the frame 20.

[0053] The junction box 30 is disposed on the photovoltaic panel 10, and the junction box 30 is electrically connected to the photovoltaic panel 10. The number of the junction boxes 30 of each photovoltaic panel 10 may be two, and the junction box 30 may include a first junction box 31 and a second junction box 32. The adapter 200 connects two adjacent photovoltaic devices 100, and the first junction box 31 of one photovoltaic device 100 is electrically connected to the second junction box 32 of the other photovoltaic device 100 through the adapter 200, so that the power transmission between the photovoltaic panels 10 is more direct and efficient, avoiding additional wiring steps and possible electrical losses.

[0054] The first barrel portion 40 protrudes from the surface of the photovoltaic panel 10. For example, the first barrel portion 40 can be disposed on the frame 20, and the first barrel portion 40 protrudes from the frame 20 toward the light-receiving surface of the photovoltaic device 100. The first barrel portion 40 is used to form a receiving space 110 for accommodating the junction box 30 between the two photovoltaic devices 100 when the two photovoltaic devices 100 are stacked, so that the junction box 30 is not easy to interfere with other adjacent photovoltaic panels 10, which is conducive to stacking multiple photovoltaic devices 100 to form a whole.

[0055] The second barrel 50 protrudes from the backlight surface of the photovoltaic panel 10 and is used to limit the position of two adjacent photovoltaic devices 100 so that the photovoltaic panels 10 of the two adjacent photovoltaic devices 100 are separated from each other, reducing the risk of the two photovoltaic panels 10 scratching each other and reducing the life of the photovoltaic device 100.

[0056] See also Figure 7 and Figure 8 In one embodiment, the photovoltaic panel 10 may include a substrate 11, a battery cell 12 and a transparent cover plate 13, the battery cell 12 is arranged on the substrate 11, and the transparent cover plate 13 covers the battery cell 12. Specifically, the substrate 11 can be made of materials such as PET, CPC, fiberglass board, glass, etc. The substrate 11 can be a sheet of rectangular or rounded rectangular material. The battery cell 12 can be fixed to the substrate 11 by pasting. The battery cell 12 is used to convert light energy into solar energy. The number of battery cells 12 can be multiple, and the multiple battery cells 12 are arranged in an array. For example, the row arrangement direction of the battery cell 12 is the same as the length direction of the substrate 11. The column arrangement direction of the battery cell 12 is the same as the width direction of the substrate 11.

[0057] The light-transmitting cover plate 13 can be made of materials such as PET, CPC, glass, etc., and the light-transmitting cover plate 13 can have the same shape and size as the substrate 11. The light-transmitting cover plate 13 can be bonded to the substrate 11 or the battery cell 12 by bonding.

[0058] See also Figure 7-Figure 9 In some embodiments, the photovoltaic panel 10 also includes a positive electrode wiring 14 and a negative electrode wiring 15, the positive electrode wiring 14 is arranged on the substrate 11 and electrically connected to the battery cell 12, and the positive electrode wiring 14 has a first positive terminal 141 and a second positive terminal 142; the negative electrode wiring 15 is arranged on the substrate 11 and electrically connected to the battery cell 12, and the negative electrode wiring 15 has a first negative terminal 151 and a second negative terminal 152, wherein the first positive terminal 141 and the first negative terminal 151 are arranged at intervals and are used to cooperate with each other to be electrically connected to the first junction box 31, and the second positive terminal 142 and the second negative terminal 152 are arranged at intervals and are used to cooperate with each other to be electrically connected to the second junction box 32.

[0059] In this way, the photovoltaic panel 10 can be arranged in parallel with the first junction box 31 and the second junction box 32 through the positive electrode wiring 14 and the negative electrode wiring 15, which is conducive to the photovoltaic panel 10 being electrically connected to an external device through at least one of the first junction box 31 and the second junction box 32, and facilitating the use of the photovoltaic panel 10. For example, two adjacent photovoltaic devices 100 are electrically connected through the first junction box 31 and the second junction box 32.

[0060] Specifically, the first junction box 31 is arranged on the photovoltaic panel 10 and is electrically connected to the first positive terminal 141 and the first negative terminal 151, and the second junction box 32 is arranged on the photovoltaic panel 10 and is electrically connected to the second positive terminal 142 and the second negative terminal 152. Further, the first junction box 31 and the second junction box 32 can both be arranged on the light-transmitting cover plate 13. Since the positive electrode wiring 14 and the negative electrode wiring 15 are both arranged on the substrate 11, for this reason, the light-transmitting cover plate 13 can be provided with vias, so that the first positive terminal 141, the first negative terminal 151, the second positive terminal 142 and the second negative terminal 152 can pass through from the substrate 11 to the surface of the light-transmitting cover plate 13, thereby connecting with the first junction box 31 and the second junction box 32.

[0061] See also Fig. 9 In some embodiments, the positive electrode trace 14 surrounds the plurality of battery cells 12 and extends along the circumference of the substrate 11, and the negative electrode trace 15 surrounds the plurality of battery cells 12 and extends along the circumference of the substrate 11. In this way, the positive electrode trace 14 and the negative electrode trace 15 match the shape of the substrate 11, reducing the probability that the positive electrode trace 14 and the negative electrode trace 15 interfere with the battery cells 12. Exemplarily, the substrate 11 is a substantially square plate, and therefore, the positive electrode trace 14 and the negative electrode trace 15 may be in a zigzag shape.

[0062] See also Figure 7-Figure 9 In some embodiments, the first positive terminal 141 and the second positive terminal 142 are respectively located on both sides of the width of the substrate 11, and the first negative terminal 151 and the second negative terminal 152 are respectively located on both sides of the width of the substrate 11. In other words, the first positive terminal 141 and the second positive terminal 142 are respectively arranged close to the two long edges of the substrate 11, and the first negative terminal 151 and the second negative terminal 152 are respectively arranged close to the two short edges of the substrate 11. To this end, the first junction box 31 and the second junction box 32 are respectively arranged on both sides of the width direction of the photovoltaic panel 10, so that the photovoltaic device 100 is electrically connected to the external device from one side of the length edge of the photovoltaic panel 10, so that the space between the first junction box 31 and the second junction box 32 is larger, which is conducive to the first junction box 31 and the second junction box 32 to electrically connect the two photovoltaic devices 100 together.

[0063] See also Fig. 9In some embodiments, the first positive terminal 141 and the second positive terminal 142 are staggered along the width direction of the substrate 11, and the first negative terminal 151 and the second negative terminal 152 are staggered along the width direction of the substrate 11. In other words, the first positive terminal 141 and the second positive terminal 142 are spaced apart along the length direction of the substrate 11, and the first negative terminal 151 and the second negative terminal 152 are spaced apart along the length direction of the substrate 11.

[0064] See also Fig. 9 In some embodiments, the positive electrode drain line 16 and the negative electrode drain line 17 are respectively located on both sides of the width direction of the substrate 11. In this way, the arrangement of the positive electrode drain line 16 and the negative electrode drain line 17 has a larger range, reducing the probability of short circuit of the positive electrode drain line 16 and the negative electrode drain line 17. Specifically, the positive electrode drain line 16 is located between the battery cell 12 and the positive electrode wiring 14, and the negative electrode drain line 17 is located between the battery cell 12 and the negative electrode wiring 15.

[0065] See also Fig. 9 In some embodiments, the positive electrode drain wire 16 includes a plurality of positive electrode drain segments 161 arranged at intervals along the length direction of the substrate 11, and the negative electrode drain wire 17 includes a plurality of negative electrode drain segments 171 arranged at intervals along the length direction of the substrate 11. The plurality of positive electrode drain wires 16 and the plurality of negative electrode drain wires 17 are connected in series through the battery cell 12, wherein one positive electrode drain wire 16 is connected to the positive electrode wiring 14, and one negative electrode drain wire 17 is connected to the negative electrode wiring 15. In this way, the plurality of positive electrode drain wires 16 and the plurality of negative electrode drain wires 17 can connect the battery cells 12 in series, which is conducive to drawing out the current generated by the battery cells 12.

[0066] In some embodiments, the width of the positive electrode wiring 14 is greater than the width of the positive electrode drain line 16, and the width of the negative electrode wiring 15 is greater than the width of the negative electrode drain line 17. Since the current of the positive electrode wiring 14 and the negative electrode wiring 15 is large, the width of the positive electrode wiring 14 is greater than the width of the positive electrode drain line 16, and the width of the negative electrode wiring 15 is greater than the width of the negative electrode drain line 17, which is conducive to the photovoltaic panel 10 to lead the current to the external device.

[0067] See also Figure 12-13 In some embodiments, the frame 20 is used to abut against a bearing surface, so that the photovoltaic device 100 can abut against the bearing surface. The bearing surface is, for example, the ground, and the frame 20 can include a plurality of enclosure pieces 21 and a plurality of connecting pieces 22, the enclosure pieces 21 and the connecting pieces 22 are connected end to end to form a ring, and the connecting piece 22 is detachably plugged into two adjacent enclosure pieces 21.

[0068] In this way, the enclosing member 21 and the connecting member 22 of the frame 20 are detachably connected by plugging, so that the frame 20 is easy to assemble and easier to wrap the edge of the photovoltaic panel 10, thereby making the photovoltaic panel 10 and the frame 20 easy to assemble and disassemble.

[0069] Specifically, the enclosure 21 and the connection member 22 can be made of a relatively strong material such as aluminum alloy, thereby improving the impact resistance of the frame 20 and facilitating the protection of the photovoltaic panel 10 .

[0070] In some embodiments, the enclosing piece 21 is in a straight strip shape, and the connecting piece 22 forms the corner portion of the frame 20. Since it is difficult to manufacture the corner portion of the frame 20 using components of larger size, the frame 20 is made in a straight strip shape, and the connecting piece 22 forms the corner portion of the frame 20, so that the manufacturing difficulty of the frame 20 can be reduced.

[0071] See also Figure 12-13 In some embodiments, the enclosure member 21 includes a long member 211 and a short member 212, the long member 211 forms the long edge of the frame 20, the short member 212 forms the short edge of the frame 20, and the connecting member 22 connects the adjacent long members 211 and short members 212. In this way, the connecting member 22 can connect the long members 211 and the short members 212 to form the frame 20. Specifically, the number of the long members 211 and the short members 212 is two, the number of the connecting members 22 is four, the two long members 211 are arranged substantially in parallel, and the two short members 212 are arranged substantially in parallel.

[0072] See also Fig.14 In some embodiments, a marker 23 is provided on the enclosure 21. Optionally, a marker 23 is provided on one of the short members 212. Thus, the marker 23 can enable the multiple photovoltaic devices 100 to be assembled in a predetermined orientation, which is beneficial to improving the assembly efficiency of the multiple photovoltaic devices 100.

[0073] In some embodiments, the marker 23 includes a coating provided on the surface of the enclosure 21, and the color of the coating is different from the color of the short member 212. In this way, the marker 23 can be distinguished from the enclosure 21, so that the orientation of the photovoltaic device 100 to be assembled can be identified more quickly. Exemplarily, the color of the coating can be red, yellow, etc., and the color of the enclosure 21 can be gray, black, etc. Of course, the marker 23 can also be a mark such as a convex point or a number.

[0074] See also Fig.14In some embodiments, the connector 22 includes a connector portion 221 and a plug portion 222 connected to the connector portion 221. The enclosure 21 is provided with a plug hole 210. The plug portion 222 is inserted into the plug hole 210. The connector 221 is connected to the enclosure 21. In this way, the plug hole 210 and the plug portion 222 cooperate to make it easy for the connector 22 to be plugged together with the enclosure 21.

[0075] In some embodiments, the plug hole 210 extends along the length direction of the enclosure 21. Optionally, the plug hole 210 can pass through both ends of the enclosure 21 along the length direction of the enclosure 21. In this way, the plug hole 210 can reduce the weight of the enclosure 21, thereby reducing the weight of the frame 20, which is beneficial to the transportation of the photovoltaic device 100.

[0076] See also Fig.14 In some embodiments, the plug-in portion 222 is provided with a threaded hole 223, and the enclosure 21 is provided with a through hole 213, and the enclosure 21 and the plug-in portion 222 are fixed by screwing a threaded fastener through the through hole 213 and screwing with the threaded hole 223. In this way, the enclosure 21 and the connecting portion 221 are connected more stably, reducing the risk of the frame 20 being loosened.

[0077] See also Fig.14 In some embodiments, the frame 20 is provided with a mounting groove 24 spaced from the plug hole 210, the notch of the mounting groove 24 is away from the plug hole 210, the mounting groove 24 extends along the frame 20 and penetrates the enclosure 21 and the connecting portion 221, and the mounting groove 24 is used to install the photovoltaic panel 10. In this way, the edge of the photovoltaic panel 10 can be embedded in the mounting groove 24, so that the frame 20 and the photovoltaic panel 10 are connected more stably.

[0078] In one example, during the assembly process of the photovoltaic device 100, the enclosure 21 and the connector 22 can be sequentially clamped on the edge of the photovoltaic panel 10 through the installation groove 24, and then the enclosure 21 and the connector 22 are locked with screws to stabilize the structure of the frame 20. Finally, adhesive is injected into the installation groove 24 so that the adhesive bonds the frame 20 to the photovoltaic panel 10, thereby improving the stability of the photovoltaic device 100.

[0079] See also Figure 2 and Fig.14In some embodiments, the frame 20 is provided with a mounting hole 25 that penetrates the frame 20 along the thickness direction of the photovoltaic panel 10, and the mounting hole 25 is used to allow the latch 300 to pass through so that the latch 300 is inserted under the bearing surface. In this way, the mounting hole 25 can make the photovoltaic device 100 be installed stably, so that the position of the photovoltaic device 100 remains stable, which is conducive to improving the power generation efficiency of the photovoltaic device 100. Specifically, after the photovoltaic device 1000 is unfolded, the latch 300 can be used to pass through the mounting hole 25 and inserted under the bearing surface, so that the position of the photovoltaic device 1000 remains stable.

[0080] In some embodiments, the mounting hole 25 is disposed at a corner of the frame 20. Thus, the mounting hole 25 is located at an edge of the frame 20, which can improve the wind resistance of the photovoltaic device 100 and further improve the stability after installation.

[0081] See also Fig.12 In some embodiments, each corner of the frame 20 is provided with a mounting hole 25. In this way, the structural consistency of the frame 20 is good, which is conducive to the production of the frame 20. Specifically, the mounting hole 25 passes through the connector 22, or in other words, the connector 22 is provided with a mounting hole 25 that passes through the connector 22 along the thickness direction of the photovoltaic panel 10. Exemplarily, the mounting hole 25 passes through the connecting portion 221. After the photovoltaic device 100 is installed, the first photovoltaic device 100 and the last photovoltaic device 100 pass through the mounting hole 25 through the pin 300 so that the pin 300 is inserted under the bearing surface. It should be pointed out that in the first photovoltaic device 100 and the last photovoltaic device 100, the mounting hole 25 away from the bearing surface is not inserted with the pin 300.

[0082] As mentioned above, on the same photovoltaic device 100, the junction box 30 may include a first junction box 31 and a second junction box 32. Figure 6 and Figure 7 In one embodiment, the first junction box 31 is connected to a cable 33, the second junction box 32 is provided with a plug interface 321, and the connector at one end of the cable 33 is suitable for being plugged into the plug interface 321. In other words, one end of the cable 33 is fixed to the first junction box 31, the second junction box 32 is provided with a plug interface 321, and in two adjacent photovoltaic devices 100, the connector at the other end of the cable 33 on one photovoltaic device 100 is plugged into the plug interface 321 of the second junction box 32 of the other photovoltaic device 100. Therefore, in two adjacent photovoltaic devices 100, the first junction box 31 of one photovoltaic device 100 is electrically connected to the second junction box 32 of the other photovoltaic device 100 through the cable 33, which is conducive to achieving electrical connection between the two photovoltaic devices 100.

[0083] Specifically, see Figure 10-11In one embodiment, the second junction box 32 includes a box body 321, a box cover 322 and a terminal socket 323. The box body 321 is provided with a storage space 3211 inside, and the end of the box body 321 is provided with a plug interface 3212 connected to the storage space 3211. The top of the box body 321 is provided with an opening 3213 that is spaced from the plug interface 3212 and connected to the storage space 3211. The box cover 322 covers the opening 3213. The terminal socket 323 is arranged in the storage space 3211 and is partially located between the opening 3213 and the plug interface 3212. In two adjacent photovoltaic devices 100, the connector at the other end of the cable on one of the photovoltaic devices 100 is inserted into the plug interface 3212 of the second junction box 32 of the other photovoltaic device 100 and plugged into the terminal socket 323.

[0084] In this way, an opening 3213 is provided on the top of the box body 321, which is spaced apart from the plug interface 3212 and connected to the storage space 3211. The terminal holder 323 is arranged in the storage space 3211 and is partially located between the opening 3213 and the plug interface 3212. This not only makes it easy to install the terminal holder 323 in the storage space 3211, but also allows the circumference of the storage space 3211 close to the plug interface 3212 to be a closed-loop surface, which is beneficial to improving the waterproof performance of the connection between the terminal holder 323 and the cable.

[0085] See also Figure 10-11 In some embodiments, the inner wall of the storage space 3211 is provided with a limiting rib 3214, and the wiring seat 323 is provided with a limiting groove 3231. The limiting rib 3214 is clamped in the limiting groove 3231 to limit the movement of the wiring seat 323 along the normal direction of the plug-in port 3212. In this way, the connector of the cable 33 and the wiring seat 323 can be plugged together, improving the stability of the connection between the connector of the cable 33 and the wiring seat 323. The normal direction of the plug-in port 3212 is the plug-in direction of the connector of the cable.

[0086] In some embodiments, when multiple photovoltaic devices 100 are disassembled, the connector of the cable 33 can be plugged into an external device. In other words, when a single photovoltaic device 100 is used alone, the photovoltaic device 100 can output electrical energy through the cable 33, thereby facilitating the use of the single photovoltaic device 100.

[0087] See also Figure 6 and Figure 7 In some embodiments, the first barrel 40 is disposed on one side of the light-transmitting cover plate 13. Since the junction box 30 is disposed on the light-transmitting cover plate 13, the first barrel 40 is disposed on one side of the light-transmitting cover plate 13. In this way, when two photovoltaic devices 100 are stacked, the first barrel 40 forms an accommodating space 110 for accommodating the first junction box 31, the second junction box 32 and other junction boxes 30 between the two photovoltaic devices 100. The first barrels 40 of two adjacent photovoltaic devices 100 abut against each other.

[0088] Specifically, the first barrel 40 can be arranged on the frame 20, so that the first barrel 40 can be installed more easily. Further, the first barrel 40 is arranged at the corner of the frame 20. As mentioned above, the connecting member 22 is formed with the corner of the frame 20, so the first barrel 40 can be arranged on the connecting member 22. For example, the first barrel 40 can be integrally formed with the connecting member 22.

[0089] In some embodiments, there are multiple first barrels 40, and the multiple first barrels 40 are arranged at intervals along the circumference of the photovoltaic panel 10. In this way, the multiple first barrels 40 can provide multi-point support for two adjacent photovoltaic devices 100, which is conducive to maintaining the shape of the accommodation space 110 formed between the two adjacent photovoltaic devices 100, thereby reducing interference with the first junction box 31 and the second junction box 32.

[0090] Specifically, in some embodiments, a first barrel portion 40 extends from one side of the connecting portion 221 , and the first barrel portion 40 is communicated with the mounting hole 25 .

[0091] See also Figure 6 and Figure 7 In some embodiments, the first barrel portion 40 is a magnetic member, so that two adjacent photovoltaic devices 100 can be attracted together by the first barrel portion 40 , which is helpful for maintaining the position of the photovoltaic device 100 stable.

[0092] See also Figure 6-Figure 8 In some embodiments, the second barrel 50 is disposed on one side of the substrate 11, and the second barrel 50 is aligned with the first barrel 40 along the thickness direction of the photovoltaic panel 10. For example, the first barrel 40 and the second barrel 50 are respectively disposed on both sides of the frame 20 along the thickness direction of the photovoltaic panel 10, and the second barrel 50 can provide support for two adjacent photovoltaic devices 100, so that after the photovoltaic device 1000 is in the folded state, the state of the two adjacent photovoltaic devices 100 is more stable.

[0093] like Fig.14 As shown, in some embodiments, the second barrel 50 is disposed on the frame 20, more specifically, the second barrel 50 can be disposed on the connector 22. The second barrel 50 can also be a magnetic member, so that two adjacent photovoltaic devices 100 can be attracted together through the second barrel 50, which is conducive to keeping the position of the photovoltaic device 100 stable.

[0094] Specifically, in some embodiments, a second barrel portion 50 extends from the other side of the connecting portion 221 , and the second barrel portion 50 is communicated with the mounting hole 25 .

[0095] like Fig.14As shown, in some embodiments, the mounting hole 25 passes through the first barrel portion 40 and the second barrel portion 50. This makes the first barrel portion 40, the second barrel portion 50 and the mounting hole 25 more compact.

[0096] See also Fig.15 In some embodiments, the adapter 200 connects the frame 20 of two adjacent photovoltaic devices 100 to enable the two adjacent photovoltaic devices 100 to be rotatably connected. In this way, the frame 20 can provide an installation position for the adapter 200, so that the two adjacent photovoltaic devices 100 can be rotatably connected through the adapter 200.

[0097] In one example, as discussed above, the long member 211 forms the long edge of the frame 20, the short member 212 forms the short edge of the frame 20, and the connector 22 connects adjacent long members 211 and short members 212. Therefore, the frame 20 includes two long edges and two short edges, the two long edges are arranged opposite to each other, and the two short edges are located between the two long edges. The adapter 200 can be connected to the long edge of the frame 20, or in other words, the adapter 200 can be connected to the long member 211 of the frame 20, so that the center of gravity of the photovoltaic device 1000 is lower when in the folded state, and transportation is more convenient.

[0098] See also Fig.15 For the convenience of description, two adjacent photovoltaic devices 100 are respectively a first photovoltaic device 101 and a second photovoltaic device 102. In some embodiments, the adapter 200 includes a first rotating member 201, a second rotating member 202 and a rotating shaft 203. The first rotating member 201 and the second rotating member 202 are rotatably connected via the rotating shaft 203. The first rotating member 201 is fixed on the first photovoltaic device 101, and the second rotating member 202 is fixed on the second photovoltaic device 102. Specifically, the first rotating member 201 is fixed on the frame 20 of the first photovoltaic device 101, and the second rotating member 202 is fixed on the frame 20 of the second photovoltaic device 102.

[0099] In other words, the first rotating member 201 is fixed on the frame 20 of one of the two adjacent photovoltaic devices 100 and is electrically connected to the photovoltaic panel 10 of the photovoltaic device 100, and the second rotating member 202 is fixed on the frame 20 of the other photovoltaic device 100 and is electrically connected to the photovoltaic panel 10 of the other photovoltaic device 100. In this way, the first rotating member 201 and the second rotating member 202 can make the first photovoltaic device 101 and the second photovoltaic device 102 rotatably connected, and the two adapters 200 are electrically connected to their respective photovoltaic panels 10, so when the two photovoltaic devices 100 are connected together through the adapter 200, the photovoltaic devices 100 are also electrically connected. The rotating connection enables the photovoltaic device 1000 to be in a folded state and an unfolded state. When the photovoltaic device 1000 is in the unfolded state, the two adjacent photovoltaic devices 100 are kept at a predetermined angle through the adapter 200. The electrical connection makes the power transmission between the photovoltaic panels 10 more direct and efficient.

[0100] In some embodiments, when the photovoltaic device 1000 is in the unfolded state, the first rotating member 201 abuts against one side of the second photovoltaic device 102, and the second rotating member 202 abuts against one side of the first photovoltaic device 101, so that a predetermined angle is formed between two adjacent photovoltaic devices 100. In this way, the photovoltaic device 1000 is convenient to store and transport when it is folded, and when the photovoltaic device 1000 is in the unfolded state, the angle between the two adjacent photovoltaic devices 100 is limited to a predetermined angle by the adapter 200, so that the state of the photovoltaic device 1000 remains stable, and the illumination area of ​​the photovoltaic device 100 is increased, which is conducive to the photovoltaic device 1000 converting solar energy into electrical energy.

[0101] In some embodiments, when the photovoltaic device 1000 is in the unfolded state, the frame 20 of the first photovoltaic device 101 and the frame 20 of the second photovoltaic device 102 abut against each other, so that a predetermined angle α is formed between the first photovoltaic device 101 and the second photovoltaic device 102 .

[0102] In this way, the first photovoltaic device 101 and the second photovoltaic device 102 can use their own frame 20 to limit to form a predetermined angle α, so that the structure of the adapter 200 can be connected, and the unfolded state of the first photovoltaic device 101 and the second photovoltaic device 102 can be stabilized, which is beneficial for the photovoltaic equipment 1000 to convert solar energy into light energy.

[0103] In some embodiments, in order to facilitate the use of the photovoltaic device 1000, the first rotating member 201 and the second rotating member 202 are rotatably and detachably connected, so that the photovoltaic device 100 can be disassembled, which is beneficial for the separate use or transportation of the photovoltaic device 100.

[0104] See also Figure 15-18In some embodiments, the first rotating member 201 is provided with a first adapter hole 2011, the second rotating member 202 is provided with a second adapter hole 2021 coaxially arranged with the first adapter hole 2011, and the rotating shaft 203 is inserted into the first adapter hole 2011 and the second adapter hole 2021. In this way, the first adapter hole 2011 and the second adapter hole 2021 are conducive to installing the rotating shaft 203, so that the first rotating member 201 is rotatably connected with the second rotating member 202.

[0105] See also Figure 19-21 In some embodiments, the shaft 203 is provided with a through hole, and the adapter 200 further includes a wire harness passing through the through hole, one end of the wire harness is electrically connected to one of the two adjacent photovoltaic devices 100, and the other end is electrically connected to the other photovoltaic device 100. In this way, the wire harness is passed through the through hole in the shaft 203 to achieve electrical connection between the two adjacent photovoltaic devices 100. This design makes the power transmission between the photovoltaic panels 10 more direct and efficient, avoiding additional wiring steps and possible electrical losses.

[0106] See also Figure 15-18 In some embodiments, a wiring port is provided in the first adapter hole 2011, and the wiring port is connected to one of the two adjacent photovoltaic devices 100, and the rotating shaft 203 is electrically connected to the other photovoltaic device 100, and the rotating shaft 203 is movably inserted into the second adapter hole 2021 to be electrically connected to the wiring port. In this way, the adapter 200 realizes the electrical connection between the photovoltaic devices 100 through the cooperation of the rotating shaft 203 and the wiring port. When the rotating shaft 203 is inserted into the second adapter hole 2021, the rotating shaft 203 simultaneously establishes an electrical connection with the wiring port. This design allows the photovoltaic device 1000 to maintain the stability of the electrical connection during the folding and unfolding process. Since the rotating shaft 203 is movably inserted, this allows the photovoltaic device 1000 to have a certain degree of freedom when folding and unfolding without worrying about the disconnection of the electrical connection. This design makes the photovoltaic device 1000 more flexible and can adapt to different installation and use scenarios.

[0107] See also Figure 15-18In some embodiments, the first rotating member 201 is provided with a slot 2012, the first transfer hole 2011 is connected to the slot 2012, the number of the first transfer holes 2011 is two, the two first transfer holes 2011 are respectively located on both sides of the slot 2012, the number of the rotating shafts 203 is two, the two rotating shafts 203 are arranged in the second transfer holes 2021 at intervals, the second transfer member is partially accommodated in the slot 2012, the rotating shaft 203 extends from the second transfer hole 2021 and is inserted into a corresponding first transfer hole 2011. In this way, the second transfer member is partially accommodated in the slot 2012, the rotating shaft 203 extends from the second transfer hole 2021 and is inserted into a corresponding first transfer hole 2011, so that the structure of the transfer member 200 is more compact, and the first rotating member 201 and the second rotating member 202 can rotate more smoothly.

[0108] See also Figure 15-18 In some embodiments, the adapter 200 includes a handle 204 connected to the rotating shaft 203, and the second rotating member 202 is provided with an avoidance groove 2022 for the handle 204 to move, and the avoidance groove 2022 is connected to the second adapter hole 2021 and extends along the axial direction of the second adapter hole 2021. In this way, the handle 204 facilitates the operation of the adapter 200 to move the rotating shaft 203, so that the first rotating member 201 and the second rotating member 202 can be disassembled and assembled together, which is beneficial to the use of the photovoltaic device 100. Specifically, the handle 204 can be cylindrical, and one end of the handle 204 can be inserted into the rotating shaft 203, so that the handle 204 is stably connected to the rotating shaft 203. The axial direction of the handle 204 is substantially perpendicular to the axial direction of the rotating shaft 203, so that the handle 204 can more easily drive the rotating shaft 203 to move.

[0109] See also Figure 15-18 In some embodiments, the adapter 200 further includes an elastic member 205 disposed in the second adapter hole 2021, the elastic member 205 connects the two rotating shafts 203, when an external force is applied to the handle 204, the two rotating shafts 203 approach each other and retract into the second adapter hole 2021 and the elastic member 205 is compressed, after the external force is unloaded, the elastic member 205 applies an elastic force to the two rotating shafts 203, so that the rotating shafts 203 extend out of the second adapter hole 2021. In this way, the elastic member 205 makes it easier to assemble the first rotating member 201 and the second rotating member 202, and can keep the rotating shaft 203 in a state of being inserted into the first adapter hole 2011 and the second adapter hole 2021 at the same time, which is conducive to more stable and smooth rotation of the first rotating member 201 and the second rotating member 202.

[0110] Specifically, the elastic member 205 is an elastic element such as a spiral elastic member. It is understood that since the shaft 203 is connected to the handle 204 , the shaft 203 is at least partially retained in the second adapter hole 2021 under the limiting action of the handle 204 and the groove wall of the avoidance groove 2022 .

[0111] In one example, when two photovoltaic devices 100 are assembled, the two handles 204 can be pinched by hand, that is, the two handles 204 are brought close to each other so that the two shafts 203 are retracted into the second adapter hole 2021. After the first rotating hole 2011 is aligned with the second adapter hole 2021, the hands are released. Under the action of the elastic member 205, the shaft 203 extends from the second adapter hole 2021 into the first adapter hole 2011, thereby assembling the two photovoltaic devices 100 together.

[0112] See also Figure 15-18 In some embodiments, when the photovoltaic device 1000 is in the unfolded state, the first rotating member 201 abuts against the frame 20 of the second photovoltaic device 102, and the second rotating member 202 abuts against the frame 20 of the first photovoltaic device 101, so that a predetermined angle α is formed between the first photovoltaic device 101 and the second photovoltaic device 102. In this way, the first rotating member 201 and the second rotating member 202 can limit the angle between the first photovoltaic device 101 and the second photovoltaic device 102, which is conducive to maintaining the state of the first photovoltaic device 101 and the second photovoltaic device 102 stable.

[0113] See also Figure 15-18 In some embodiments, the first rotating member 201 includes a first adapter portion 2013, a first mounting portion 2014 and a first abutting portion 2015, the first mounting portion 2014 and the first abutting portion 2015 are both connected to the first adapter portion 2013, the first mounting portion 2014 is fixedly connected to the frame 20 of the first photovoltaic device 101, the first mounting portion 2014 is provided with a first adapter hole 2011, and the first abutting portion 2015 abuts against the frame 20 of the second photovoltaic device 102 when the first photovoltaic device 101 and the second photovoltaic device 102 are unfolded;

[0114] The second rotating member 202 includes a second adapter portion 2023, a second mounting portion 2024 and a second abutting portion 2025, the second mounting portion 2024 and the second abutting portion 2025 are both connected to the second adapter portion 2023, the second mounting portion 2024 is fixedly connected to the frame 20 of the second photovoltaic device 102, the second mounting portion 2024 is provided with a second adapter hole 2021, and the second abutting portion 2025 abuts against the frame 20 of the first photovoltaic device 101 when the first photovoltaic device 101 and the second photovoltaic device 102 are unfolded. In this way, the first abutting portion 2015 and the second abutting portion 2025 can realize the angle limit between the first photovoltaic device 101 and the second photovoltaic device 102, and the first mounting portion 2014 and the second mounting portion 2024 can make the first rotating member 201 and the second rotating member 202 stably connected to the corresponding frame 20.

[0115] Specifically, the first mounting portion 2014 and the second mounting portion 2024 may be in a sheet shape, and the first mounting portion 2014 and the second mounting portion 2024 may be fixedly connected to the corresponding frame 20 by fasteners such as screws.

[0116] In some embodiments, the first rotating member 201 and the second rotating member 202 are connected to the long edge of the corresponding frame 20. In this way, the center of gravity of the photovoltaic device 1000 is lower when it is in the folded state, and it is more convenient to transport. For example, the first mounting portion 2014 of the first rotating member 201 is fixedly connected to the long member 211 of the frame 20 of the first photovoltaic device 101, and the second mounting portion 2024 of the second rotating member 202 is fixedly connected to the long member 211 of the frame 20 of the second photovoltaic device 102.

[0117] In one embodiment, the photovoltaic device 100 includes a photovoltaic panel 10, a junction box 30 and a first barrel 40, the photovoltaic panel 10 includes a substrate 11, a battery cell 12 and a light-transmitting cover plate 13, the battery cell 12 is arranged on the substrate 11, and the light-transmitting cover plate 13 covers the battery cell 12; the junction box 30 is arranged on the light-transmitting cover plate 13; the first barrel 40 is arranged on one side of the light-transmitting cover plate 13, and the first barrel 40 is used to form a accommodating space for accommodating the junction box 30 between the two photovoltaic devices 100 when the two photovoltaic devices 100 are stacked.

[0118] In this way, the junction box 30 is arranged on the transparent cover plate 13, so that the photovoltaic device 100 is convenient to use during use, and there is no need to connect wires from the backlight side of the photovoltaic device 100. In addition, the first barrel 40 forms a storage space for accommodating the junction box 30 between the two photovoltaic devices 100, which can reduce the interference between the junction box 30 and other photovoltaic devices 100 and improve the service life of the photovoltaic device 100.

[0119] In summary, in some embodiments, the photovoltaic device 1000 includes a plurality of photovoltaic devices 100 and an adapter 200, each photovoltaic device 100 includes a photovoltaic panel 10; the adapter 200 connects two adjacent photovoltaic devices 100, and the adapter 200 includes a first rotating member 201 and a second rotating member 202 rotatably connected to the first rotating member 201. The first rotating member 201 is fixed to one of the two adjacent photovoltaic devices 100, and the second rotating member 202 is fixed to the other photovoltaic device 100. The first rotating member 201 is electrically connected to one of the adjacent photovoltaic devices 100, and the second rotating member 202 is electrically connected to the other adjacent photovoltaic device 100. The photovoltaic device 1000 can be in a folded state and an unfolded state. When the photovoltaic device 1000 is in the unfolded state, the two adjacent photovoltaic devices 100 are maintained at a predetermined angle by the adapter 200. In this way, the adapter 200 realizes both electrical and mechanical connection between the photovoltaic devices 100. On the one hand, it makes the power transmission between the photovoltaic panels 10 more direct and efficient. On the other hand, it limits the angle between two adjacent photovoltaic devices 100, increases the lighting stability and lighting area of ​​the photovoltaic device 100, and is beneficial for the photovoltaic equipment 1000 to convert solar energy into electrical energy.

[0120] In the description of this specification, the description with reference to the terms "one embodiment", "certain embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0121] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A photovoltaic device, characterized in that: include: a plurality of photovoltaic devices, each of the photovoltaic devices comprising a photovoltaic panel; and An adapter, wherein the adapter connects two adjacent photovoltaic devices, the adapter comprises a first rotating member and a second rotating member rotatably connected to the first rotating member, the first rotating member is fixed to one of the two adjacent photovoltaic devices, the second rotating member is fixed to the other photovoltaic device, the first rotating member is electrically connected to one of the adjacent photovoltaic devices, the second rotating member is electrically connected to the other adjacent photovoltaic device, the photovoltaic device can be in a folded state and an unfolded state, and when the photovoltaic device is in the unfolded state, the two adjacent photovoltaic devices are maintained at a predetermined angle through the adapter.

2. The photovoltaic device according to claim 1, characterized in that The first rotating member is provided with a first adapter hole, the second rotating member is provided with a second adapter hole coaxially arranged with the first adapter hole, and the adapter member further comprises a rotating shaft, which is inserted into the first adapter hole and the second adapter hole.

3. The photovoltaic device according to claim 2, characterized in that: The rotating shaft is provided with a through hole, and the adapter also includes a wiring harness passing through the through hole, one end of the wiring harness is electrically connected to one of the two adjacent photovoltaic devices, and the other end of the wiring harness is electrically connected to the other photovoltaic device.

4. The photovoltaic device according to claim 2, characterized in that: A wiring port is provided in the first adapter hole, the wiring port is connected to one of the two adjacent photovoltaic devices, the rotating shaft is electrically connected to the other photovoltaic device, and the rotating shaft is movably inserted into the second adapter hole to be electrically connected to the wiring port.

5. The photovoltaic device according to claim 4, characterized in that: The first rotating member is provided with a card slot, the first adapter hole is connected to the card slot, there are two first adapter holes, and the two first adapter holes are respectively located on both sides of the card slot, there are two rotating shafts, and the two rotating shafts are arranged in the second adapter hole at intervals, the second adapter member is partially accommodated in the card slot, and the rotating shaft extends from the second adapter hole and is inserted into a corresponding one of the first adapter holes.

6. The photovoltaic device according to claim 5, characterized in that: The adapter also includes a handle connected to the rotating shaft. The second rotating member is provided with an avoidance groove for the handle to move. The avoidance groove is communicated with the second adapter hole and extends along the axial direction of the second adapter hole.

7. The photovoltaic device according to claim 6, characterized in that: The adapter also includes an elastic member arranged in the second adapter hole, and the elastic member connects the two rotating shafts. When an external force is applied to the handle, the two rotating shafts approach each other and retract into the second adapter hole and the elastic member is compressed. After the external force is unloaded, the elastic member applies elastic force to the two rotating shafts so that the rotating shafts extend out of the second adapter hole.

8. The photovoltaic device according to claim 2, characterized in that: The two adjacent photovoltaic devices are respectively a first photovoltaic device and a second photovoltaic device, the first rotating member comprises a first adapter portion, a first mounting portion and a first abutting portion, the first mounting portion and the first abutting portion are both connected to the first adapter portion, the first mounting portion is fixedly connected to the frame of the first photovoltaic device, the first mounting portion is provided with the first adapter hole, and the first abutting portion abuts against the frame of the second photovoltaic device when the first photovoltaic device and the second photovoltaic device are unfolded; The second rotating member includes a second adapter portion, a second mounting portion and a second abutment portion, the second mounting portion and the second abutment portion are both connected to the second adapter portion, the second mounting portion is fixedly connected to the frame of the second photovoltaic device, the second mounting portion is provided with the second adapter hole, and the second abutment portion abuts against the frame of the first photovoltaic device when the first photovoltaic device and the second photovoltaic device are unfolded.

9. The photovoltaic device according to claim 8, characterized in that: The photovoltaic panel includes a substrate, a battery cell and a light-transmitting cover plate, the battery cell is arranged on the substrate, the light-transmitting cover plate covers the battery cell, the photovoltaic device includes a first cylinder portion arranged on the frame, the first cylinder portion is arranged on one side of the light-transmitting cover plate, and when the photovoltaic device is in a folded state, the first cylinder portions of two adjacent photovoltaic devices abut against each other to form a accommodating space between the two photovoltaic devices.

10. The photovoltaic device according to claim 9, characterized in that: The photovoltaic device further includes a second barrel portion, which is disposed on one side of the substrate and is aligned with the first barrel portion along a thickness direction of the photovoltaic panel.

Images