Photovoltaic device

Abstract

The utility model discloses a photovoltaic device, which is characterized in that the cross section of a shape enclosed by a plurality of stand columns arranged at intervals is polygonal, two ends of the shape enclosed by the plurality of stand columns are open, an end cover part is connected with the end parts of the stand columns to cover the openings, and the end cover part is provided with a first opening and a second opening; external sunlight irradiates the interior of the shape defined by the multiple stand columns through the first openings, the rod-shaped structures penetrate through the second openings, the cell panels are arranged between every two adjacent stand columns, the connecting parts are arranged on the end cover parts, and the connecting parts are configured to be connected with the rod-shaped structures so that the photovoltaic device can be installed on the rod-shaped structures. According to the utility model, the effects of multi-surface power generation and no dust deposition can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic technology field especially relates to a photovoltaic device. BACKGROUND

[0002] The photovoltaic panel is the device that will be converted into electric energy by absorbing solar energy. With the continuous innovation and development of technology, the application field and scene of photovoltaic are more and more extensive, and the application scale of centralized photovoltaic, offshore photovoltaic and distributed photovoltaic is expanding. At the same time, photovoltaic components have been widely used in various poles such as lamp poles, wire poles and signal poles.

[0003] At present, the photovoltaic panel used on the pole is installed in the horizontal direction or the direction forming a certain angle with the horizontal direction. This installation method is easy to be covered by sand, dust and snow, which affects the power generation efficiency of the photovoltaic panel. In addition, the orientation of the solar photovoltaic panel of this installation method is fixed, which can only absorb light energy in one direction and cannot realize omnidirectional absorption of solar energy.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it can include prior art known by those skilled in the art. SUMMARY

[0005] In view of the problems pointed out in the background technology, the utility model provides a photovoltaic device, which realizes the effects of multi-surface power generation and no dust accumulation.

[0006] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0007] In some embodiments of the present application, a photovoltaic device is provided, comprising:

[0008] A plurality of spaced-apart columns, the shape of the cross section surrounded by the plurality of columns is a polygon, and the two ends of the shape surrounded by the plurality of columns are open;

[0009] An end cap portion is connected to the end of the column to cover the opening, the end cap portion is provided with a first opening and a second opening, external sunlight shines into the interior of the shape surrounded by the plurality of columns through the first opening, and a rod-shaped structure passes through the second opening;

[0010] A cell panel is arranged between two adjacent columns;

[0011] A connecting portion is arranged on the end cap portion, and the connecting portion is configured to be connected with the rod-shaped structure to install the photovoltaic device on the rod-shaped structure.

[0012] In some embodiments of the present application, the post is provided with a first slot extending along an axial direction of the post, and the battery plate is inserted into the first slot.

[0013] The end cover portion is provided with a second slot on a side facing the post, and the battery plate is inserted into the second slot.

[0014] In some embodiments of the present application, the end cover portion is provided with an insertion portion, and the post is provided with a first mounting cavity extending through the post along an axial direction of the post, and the insertion portion is inserted into the first mounting cavity.

[0015] In some embodiments of the present application, the photovoltaic device includes six posts, and a cross-sectional shape of a shape surrounded by the six posts is a hexagon.

[0016] The end cover portion includes three isosceles triangle frames, the three isosceles triangle frames surround a hexagon, a base of the isosceles triangle frame is connected with the battery plate, an end of any isosceles triangle frame is provided with the insertion portion, and the connection portion is connected with a base of the isosceles triangle frame.

[0017] In some embodiments of the present application, the connection portion is located in a space surrounded by the three isosceles triangle frames, the connection portion includes at least two hoops, any hoop includes an extension and an arc-shaped portion, the extension is fixedly connected with the base of the isosceles triangle frame, and the arc-shaped portions are connected to form a perforation for holding the rod-shaped structure.

[0018] In some embodiments of the present application, the end cover portion includes two oppositely arranged sub-end covers, any sub-end cover is provided with the first opening and a first notch, the two first notches are butted to surround the second opening, and any sub-end cover is provided with the insertion portion on a side facing the post.

[0019] In some embodiments of the present application, the connection portion includes two oppositely arranged sub-connection portions, the two sub-connection portions are correspondingly connected with the two sub-end covers, any sub-connection portion is provided with a third opening and a second notch, the third opening is in communication with the first opening, the second notch is in communication with the first notch, and the two second notches are butted to form a perforation for holding the rod-shaped structure.

[0020] In some embodiments of the present application, the post is provided with a second mounting cavity extending through the post along an axial direction of the post, the end cover portion is provided with a third mounting cavity, and a corner code is arranged between the second mounting cavity and the third mounting cavity to fix the end cover portion to an end of the post.

[0021] In some embodiments of the present application, the end cover portion includes a plurality of connecting rods, and any connecting rod is provided with the third mounting cavity.

[0022] Part of the plurality of connecting rods is a first connecting rod, the first connecting rod is arranged at the end of two adjacent columns through the angle code, and the first connecting rod is connected with the battery plate;

[0023] Another part of the plurality of connecting rods is a second connecting rod, the second connecting rod is arranged at the end of two non-adjacent columns through the angle code.

[0024] In some embodiments of the application, the connecting part is located in the space surrounded by the plurality of second connecting rods, and the connecting part comprises at least two hoops, any of the hoops comprises an extension and an arc-shaped part, the extension is fixedly connected with the second connecting rod, and the plurality of arc-shaped parts are connected to form a perforation for holding the rod-shaped structure.

[0025] Compared with the prior art, the advantages and positive effects of the utility model are:

[0026] In the photovoltaic device disclosed in the application, a plurality of columns and upper and lower end cover parts surround a polygonal frame structure, a plurality of battery plates are installed on the side of the polygonal frame structure, multi-surface light absorption is realized, and the power generation capacity of the photovoltaic device is improved. The first opening is arranged on the end cover part, that is, the end cover part is a hollow structure, external sunlight enters the inside of the shape surrounded by the plurality of columns through the first opening, which helps to further improve the light absorption effect of the battery plate and further improve the power generation capacity of the photovoltaic device. The rod-shaped structure penetrates through the above-mentioned polygonal frame structure, and is fixedly installed on the rod-shaped structure through the connecting part. The rod-shaped structure penetrates through the inner cavity of the photovoltaic device through the second opening, the photovoltaic device embraces the rod-shaped structure, and the plurality of battery plates surround the rod-shaped structure, thereby improving the installation stability of the photovoltaic device on the rod-shaped structure.

[0027] Other features and advantages of the utility model will become more apparent after reading the specific embodiments of the utility model in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor.

[0029] Figure 1 It is a structural view of the photovoltaic device according to embodiment one.

[0030] Figure 2 It is a top view of the photovoltaic device according to embodiment one.

[0031] Figure 3 A structural view of a sub-connection according to some embodiments;

[0032] Figure 4 A structural view of an isosceles triangle frame according to some embodiments;

[0033] Figure 5 A structural view of a post according to some embodiments;

[0034] Figure 6 A structural view of a connection according to some embodiments;

[0035] Figure 7 A structural view of a connection according to some embodiments;

[0036] Figure 8 A structural view of a photovoltaic device according to embodiment two;

[0037] Figure 9 A structural view of a photovoltaic device according to embodiment two;

[0038] Figure 10 A structural view of a sub-end cap according to embodiment two;

[0039] Figure 11 A structural view of a sub-connection according to embodiment two;

[0040] Figure 12 A structural view of a post according to embodiment two;

[0041] Figure 13 A structural view of a photovoltaic device according to embodiment three;

[0042] Figure 14 A structural view of a photovoltaic device according to embodiment three;

[0043] Figure 15 A structural view of a connection rod according to embodiment three;

[0044] Figure 16 A structural view of a post according to embodiment three;

[0045] Figure 17 A structural view of a corner bracket according to embodiment three;

[0046] Figure 18 A structural view of a photovoltaic device according to embodiment four;

[0047] Figure 19 A structural view of a connection rod according to embodiment four;

[0048] Figure 20A structural diagram of a stand according to Embodiment Four.

[0049] Reference signs:

[0050] 100, stand; 110, first slot; 111, groove; 120, first mounting cavity; 130, second mounting cavity; 140, bayonet;

[0051] 200, end cap part; 210, first opening; 220, second opening; 230, insertion part; 231, buckle; 240, second slot; 250, triangular frame; 260, sub end cap; 261, first notch; 270, connecting rod; 271, third mounting cavity; 272, first connecting rod; 273, second connecting rod;

[0052] 300, connecting part; 310, first clasp; 311, first arc-shaped part; 312, first extension part; 320, second clasp; 321, second arc-shaped part; 322, second extension part; 330, clamping groove; 340, sub connecting part; 341, third opening; 342, second notch; 350, through hole;

[0053] 400, battery plate;

[0054] 510, L-shaped corner brace; 520, three-pronged corner brace; 530, five-pronged corner brace. DETAILED DESCRIPTION

[0055] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0056] In the description of the present application, it should be understood that the terms “center”, “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer” and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0057] The terms "first", "second", etc. are used only for descriptive purposes and do not connote or imply relative importance or an ordering between or among the indicated technical features. Thus, a feature defined with "first", "second", etc. can include one or more of the features implicitly or explicitly.

[0058] In the description of the present application, it is necessary to explain that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0060] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides various specific examples of processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0061] In some embodiments of the present application, a photovoltaic device is provided, Figure 1 , Figure 8 , Figure 13 and Figure 18 is a different implementation form of the photovoltaic device. The photovoltaic device is installed on a pole-shaped structure such as a lamp pole, a power pole, a signal pole, etc.

[0062] The photovoltaic device comprises a plurality of spaced-apart columns 100. The plurality of columns 100 enclose a polygonal cross-sectional shape, and the polygonal shape enclosed by the plurality of columns 100 is open at both ends. The column 100 is an equal cross-section long profile, the length of which is determined by the size of the assembly, and the material thereof is an aluminum alloy, a steel profile or a composite profile.

[0063] The photovoltaic device further comprises an end cover portion 200. The end cover portion 200 is fixedly connected to the end of the column 100 to cover the opening. The end cover portion 200 is provided with a first opening 210 and a second opening 220. External sunlight enters the interior of the space enclosed by the plurality of columns 100 through the first opening 210, and the rod-shaped structure passes through the second opening 220. The first opening 210 also facilitates the installation of internal components.

[0064] The photovoltaic device further comprises a cell panel 400. The cell panel 400 is arranged between two adjacent columns 100. The cell panel 400 is a kind of double-sided cell panel.

[0065] The photovoltaic device further comprises a connecting portion 300. The connecting portion 300 is arranged on the end cover portion 200, and the connecting portion 300 is configured to be connected with the rod-shaped structure to mount the photovoltaic device on the rod-shaped structure.

[0066] The plurality of columns 100 and the upper and lower end cover portions 200 enclose a polygonal frame structure, a plurality of cell panels 400 are mounted on the side of the polygonal frame structure to realize multi-surface light absorption and improve the power generation capacity of the photovoltaic device.

[0067] The first opening 210 is arranged on the end cover portion 200, i.e. the end cover portion 200 is a hollow structure, external sunlight enters the interior of the space enclosed by the plurality of columns 100 through the first opening 210, which helps to further improve the light absorption effect on the inner side of the cell panel 400 and further improve the power generation capacity of the photovoltaic device.

[0068] The rod-shaped structure passes through the above-mentioned polygonal frame structure, and the photovoltaic device is fixedly mounted on the rod-shaped structure through the connecting portion 300.

[0069] The rod-shaped structure passes through the inner cavity of the photovoltaic device through the second opening 220, the photovoltaic device embraces the rod-shaped structure, and a plurality of cell panels 400 surround the rod-shaped structure to improve the installation stability of the photovoltaic device on the rod-shaped structure.

[0070] In some embodiments of the present application, with reference to Figure 5 or Figure 12 or Figure 16 or Figure 20 , the column 100 is provided with a first slot 110 extending in the axial direction thereof, and the cell panel 400 is inserted into the first slot 110.

[0071] With reference to Figure 3 or Figure 10 orFigure 15 Or Figure 19 The end cover part 200 is provided with a second slot 240 on the side facing the column 100, and the battery plate 400 is inserted with the second slot 240.

[0072] The left and right sides of the battery plate 400 are respectively inserted with the first slot 110 on the corresponding side, and the upper and lower sides of the battery plate 400 are respectively inserted with the second slot 240 on the corresponding side, so that the four sides of the battery plate 400 are fixed by insertion, and the fixed installation of the battery plate 400 is realized.

[0073] In some embodiments of the present application, referring to Figure 5 The inner wall of the first slot 110 is provided with a groove 111, and the groove 111 is used to accommodate excess adhesive for bonding the battery plate 400.

[0074] In some embodiments of the present application, the end cover part 200 is provided with an insertion part 230, and the column 100 is provided with a first installation cavity 120 penetrating along the axial direction thereof, and the insertion part 230 is inserted into the first installation cavity 120.

[0075] The insertion part 230 on the end cover part 200 is used to realize the insertion between the column 100, without the need for additional insertion part 230, which simplifies the structure and facilitates installation.

[0076] In some embodiments of the present application, referring to Figure 4 The insertion part 230 is provided with an elastic buckle 231, and referring to Figure 5 The column 100 is provided with a bayonet 140, and when the insertion part 230 is inserted into the first installation cavity 120, the buckle 231 is connected with the bayonet 140, realizing the fixed installation between the insertion part 230 and the first installation cavity 120.

[0077] In some embodiments of the present application, the cross-sectional shape of the insertion part 230 is adapted to the cross-sectional shape of the first installation cavity 120, so as to further improve the insertion reliability between the end cover part 200 and the column 100.

[0078] The end cover part 200 and the column 100 are installed in a direct insertion manner, and the present application gives the following two embodiments.

[0079] Embodiment one, referring to Figures 1 to 7 The photovoltaic device includes six columns 100, and the cross-sectional shape of the shape surrounded by the six columns 100 is a hexagon.

[0080] The end cover part 200 comprises three isosceles triangle frames 250, which form a hexagon, the legs of the isosceles triangle frames 250 are connected with the battery plate 400, and the end of any isosceles triangle frame 250 is provided with a plug-in part 230, and the connecting part 300 is connected with the bottom of the isosceles triangle frame 250.

[0081] Specifically, Figure 3 is a structure diagram of the end cover part 200 formed by the three isosceles triangle frames 250, Figure 4 is a structure diagram of the isosceles triangle frame 250. The two legs of the isosceles triangle frame 250 are respectively provided with a second slot 240, and the battery plate 400 is plugged with the second slot 240. The middle hollow area of any isosceles triangle frame 250 serves as a first opening 210. The area surrounded by the bottom of the three isosceles triangle frames 250 serves as a second opening 220.

[0082] The plug-in part 230 is arranged at the three corners of the isosceles triangle frame 250. The plug-in parts 230 at the bottom corners of the two adjacent isosceles triangle frames 250 are inserted into the first mounting cavity 120 of the same stand 100.

[0083] In some embodiments of the present application, with reference to Figure 1 , the connecting part 300 is located in the space surrounded by the bottom of the three isosceles triangle frames 250.

[0084] With reference to Figure 6 and Figure 7 , the connecting part 300 comprises at least two clamps, any clamp comprises an extension and an arc-shaped part, the extension is fixedly connected with the bottom of the isosceles triangle frame 250, and the arc-shaped parts are connected to form a perforation 350 for holding the rod-shaped structure.

[0085] In other words, when the rod-shaped structure passes through the photovoltaic device, the rod-shaped structure passes through the connecting part 300 at the same time, and the rod-shaped structure is held and fixed by the arc-shaped parts.

[0086] The structure of the clamp is adopted, the distance between the arc-shaped parts is adjusted to adapt to the fixation of rod-shaped structures with different diameters.

[0087] In some embodiments of the present application, the end of the extension is provided with a clamping groove 330, the clamping groove 330 is clamped with the bottom of the isosceles triangle frame 250, and then fixed by a U-shaped bolt.

[0088] In a specific embodiment, the connecting part 300 comprises a first clamp 310 and a second clamp 320, Figure 6 is a structure diagram of the first clamp 310, Figure 7A structure diagram of the second clamp 320. The first clamp 310 comprises a first arc-shaped part 311, and two first extension parts 312 are arranged on the outer wall of the first arc-shaped part 311 and fixedly connected with the bottom edges of the corresponding sides. The second clamp 320 comprises a second arc-shaped part 321, and one second extension part 322 is arranged on the outer wall of the second arc-shaped part 321 and fixedly connected with the bottom edge of the corresponding side. The arc of the first clamp 310 is larger than that of the second clamp 320. The first clamp 310 and the second clamp 320 are fixedly connected through bolts.

[0089] Embodiment two, refer to Figures 8 to 12 The photovoltaic device comprises six columns 100, and the shape surrounded by the six columns 100 has a hexagonal cross-sectional shape.

[0090] The end cover part 200 comprises two oppositely arranged sub-end covers 260, and each sub-end cover 260 is provided with a first opening 210 and a first notch 261. The two first notches 261 are butted to form a second opening 220. Each sub-end cover 260 is provided with a plug-in part 230 on the side facing the column 100.

[0091] Specifically, Figure 9 A structure diagram of the photovoltaic device after omitting the connecting part 300, Figure 10 A structure diagram of the sub-end cover 260. The outer contour shape of the sub-end cover 260 is isosceles trapezoidal. The top edge and the two waist edges of the isosceles trapezoid are respectively provided with a second slot 240, and the cell panel 400 is plugged into the second slot 240. The opening direction of the first notch 261 faces the bottom edge of the isosceles trapezoid. The bottom edge of the isosceles trapezoid is provided with an extension rib, and the two sub-end covers 260 are fixedly connected by penetrating the extension rib with a bolt.

[0092] The plug-in part 230 is arranged at each of the four corners of the sub-end cover 260. The plug-in parts 230 at the adjacent two bottom corners of the two isosceles trapezoids are jointly inserted into the first mounting cavity 120 of the same column 100.

[0093] In some embodiments of the present application, the connecting part 300 comprises two oppositely arranged sub-connecting parts 340, Figure 11 A structure diagram of the sub-connecting part 340. The two sub-connecting parts 340 are connected with the two sub-end covers 260 correspondingly. The sub-connecting part 340 is fixedly installed on the sub-end cover 260 through a bolt. Each sub-connecting part 340 is provided with a third opening 341 and a second notch 342. The third opening 341 communicates with the first opening 210 in a normal direction to not interfere with the entry of external sunlight. The second notch 342 communicates with the first notch 261 in a normal direction, and the two second notches 342 are butted to form a perforation for holding a rod-shaped structure.

[0094] In some embodiments of the present application, the upright column 100 is provided with a second mounting cavity 130 penetrating along the axial direction thereof, the end cover 200 is provided with a third mounting cavity 271, and an angle bracket is arranged between the second mounting cavity 130 and the third mounting cavity 271 to fix the end cover 200 to the end of the upright column 100.

[0095] The end cover 200 is fixed to the upright column 100 by the angle bracket. The present application provides two embodiments as follows.

[0096] Figures 13 to 17 For one of the embodiments, the angle bracket is an L-shaped angle bracket 510 as shown in Figure 17 , one end of which is inserted into the second mounting cavity 130, and the other end of which is inserted into the third mounting cavity 271.

[0097] Figures 18 to 20 For another embodiment, the angle bracket is a multi-prong angle bracket, such as a three-prong angle bracket 520 or a five-prong angle bracket 530.

[0098] In some embodiments of the present application, referring to Figure 13 or Figure 18 , the end cover 200 includes a plurality of connecting rods 270, any one of which is provided with a third mounting cavity 271, and Figure 15 or Figure 19 .

[0099] Part of the plurality of connecting rods 270 is a first connecting rod 272, which is arranged across the ends of two adjacent upright columns 100 by the angle bracket, and the first connecting rod 272 is connected to the battery panel 400.

[0100] Another part of the plurality of connecting rods 270 is a second connecting rod 273, which is arranged across the ends of two non-adjacent upright columns 100 by the angle bracket.

[0101] In some embodiments of the present application, the photovoltaic device includes six upright columns 100, and the shape of the cross section surrounded by the six upright columns 100 is a hexagon.

[0102] The end cover 200 includes six first connecting rods 272 and three second connecting rods 273. The internal structures of the first connecting rods 272 and the second connecting rods 273 are the same, except that the lengths are different. The connecting rods 270 are provided with second insertion slots 240, and the battery panel 400 is inserted into the second insertion slots 240.

[0103] The two ends of the first connecting rod 272 are fixedly connected with two adjacent columns 100 through angle codes. The two ends of the second connecting rod 273 are fixedly connected with two non-adjacent columns 100 through angle codes. Three second connecting rods 273 enclose a triangular hollow region as the second opening 220. The region enclosed between two adjacent first connecting rods 272 and one second connecting rod 273 serves as the first opening 210.

[0104] In some embodiments, the end of three columns 100 needs to be installed with two first connecting rods 272, and the end of another three columns 100 needs to be installed with two first connecting rods 272 and two second connecting rods 273.

[0105] The connecting part 300 is as shown in Figure 1 The extension parts on the first and second clamps 310 and 320 are fixedly connected with the second connecting rod 273.

[0106] Referring to Figure 16 , the column 100 is provided with a hollow cavity along its axial direction, thereby reducing the cost.

[0107] In the embodiment shown in Figures 13 to 17 , the column 100 is provided with two independent second installation cavities 130. Referring to Figure 15 , the connecting rod 270 is provided with a third installation cavity 271. By installing an appropriate number of angle codes in the two second installation cavities 130, different numbers of connecting rods 270 can be installed at the end of the column 100.

[0108] In the embodiment shown in Figures 18 to 20 , a three-pronged angle code 520 is installed in the first installation cavity 120 at the end of the column 100 where two first connecting rods 272 are needed to be installed. A five-pronged angle code 530 is installed in the first installation cavity 120 at the end of the column 100 where two first connecting rods 272 and two second connecting rods 273 are needed to be installed.

[0109] In some embodiments of the present application, the connecting part 300 is located in the space enclosed by the plurality of second connecting rods 273, and the connecting part 300 comprises at least two clamps, any of which comprises an extension part and an arc-shaped part, the extension part is fixedly connected with the second connecting rod 273, and the plurality of arc-shaped parts are connected to form a perforated hole 350 for holding the rod-shaped structure.

[0110] In some embodiments of the present application, in the embodiments shown in Figure 1 or Figure 13 or Figure 18 , the triangular structures on the upper and lower end cover parts 200 are staggered to improve the stability of the hexahedral structure, as shown in Figure 2 .

[0111] In the description of the above-mentioned embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0112] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A photovoltaic device, characterized in that, Including: Multiple columns arranged at intervals, the cross-sectional shape of the shape enclosed by the multiple columns is polygonal, and the two ends of the shape enclosed by the multiple columns are open. An end cap is connected to the end of the column to cover the opening. The end cap has a first opening and a second opening. External sunlight shines into the space enclosed by the multiple columns through the first opening, and the rod-shaped structure passes through the second opening. A solar panel is disposed between two adjacent columns; A connecting portion is disposed on the end cap portion, the connecting portion being configured to connect with the rod-shaped structure to mount the photovoltaic device onto the rod-shaped structure.

2. The photovoltaic device according to claim 1, characterized in that, The column is provided with a first slot extending along its axial direction, and the solar panel is inserted into the first slot. The end cap has a second slot on the side facing the column, and the battery panel is inserted into the second slot.

3. The photovoltaic device according to claim 1, characterized in that, The end cap is provided with a plug-in portion, and the column is provided with a first mounting cavity that extends along its axial direction, and the plug-in portion is inserted into the first mounting cavity.

4. The photovoltaic device according to claim 3, characterized in that, The photovoltaic device includes six columns, and the cross-sectional shape of the shape enclosed by the six columns is hexagonal; The end cap includes three isosceles triangular frames that form a hexagon. The sides of the isosceles triangular frames are connected to the battery panel. Each isosceles triangular frame has a plug-in portion at its end, and the plug-in portion is connected to the base of the isosceles triangular frame.

5. The photovoltaic device according to claim 4, characterized in that, The connecting portion is located within the space enclosed by the base sides of the three isosceles triangular frames. The connecting portion includes at least two clamps, each of which includes an extension and an arcuate portion. The extension is fixedly connected to the base side of the isosceles triangular frame, and multiple arcuate portions are connected to form a perforation for holding the rod-like structure.

6. The photovoltaic device according to claim 3, characterized in that, The end cap portion includes two oppositely arranged sub-end caps, each of which is provided with the first opening and the first notch, the two first notches being joined together to form the second opening, and each of the sub-end caps being provided with the insertion portion on the side facing the column.

7. The photovoltaic device according to claim 6, characterized in that, The connecting portion includes two oppositely arranged sub-connecting portions, which are connected to the two sub-end caps respectively. Each sub-connecting portion is provided with a third opening and a second notch. The third opening is directly opposite to and communicates with the first opening, and the second notch is directly opposite to and communicates with the first notch. The two second notches are joined together to form a perforation for holding the rod-shaped structure.

8. The photovoltaic device according to claim 1, characterized in that, The column is provided with a second mounting cavity that extends through it along its axial direction, and the end cap is provided with a third mounting cavity. An angle bracket is provided between the second mounting cavity and the third mounting cavity to fix the end cap to the end of the column.

9. The photovoltaic device according to claim 8, characterized in that, The end cap portion includes multiple connecting rods, and each of the connecting rods is provided with the third mounting cavity; A portion of the multiple connecting rods is a first connecting rod, which is horizontally mounted across the ends of two adjacent columns via the corner bracket, and is connected to the solar panel; Another part of the multiple connecting rods is the second connecting rod, which is installed across the ends of two non-adjacent columns via corner brackets.

10. The photovoltaic device according to claim 9, characterized in that, The connecting portion is located within the space enclosed by multiple second connecting rods. The connecting portion includes at least two clamps, each of which includes an extension and an arc-shaped portion. The extension is fixedly connected to the second connecting rod, and the multiple arc-shaped portions are connected to form a perforation for holding the rod-shaped structure.

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