CN219287407U - Photovoltaic device - Google Patents

Abstract

The utility model discloses a photovoltaic device. The photovoltaic device comprises a bearing backboard, wherein a bearing surface connecting part, a first guiding part and a first locking part are arranged on the bearing backboard; the photovoltaic module comprises a photovoltaic body and a photovoltaic frame, wherein the photovoltaic body and the photovoltaic frame form an assembly in a preassembly mode, a second guide part and a second locking part are arranged on the photovoltaic frame, the second guide part is suitable for guiding and matching with the first guide part, and the second locking part is suitable for locking and matching with the first locking part. According to the photovoltaic device, the photovoltaic device is quickly installed through the preloaded photovoltaic module, the installation difficulty is reduced, and the installation efficiency and the construction safety are improved.

Description

Photovoltaic device

Technical Field

The utility model relates to the technical field of photovoltaic devices, in particular to a photovoltaic device.

Background

The existing balcony photovoltaic device is complex in installation steps, firstly, a backboard frame and an inclined support are fixed on an outer wall of a balcony through expansion screws, then a plurality of transverse support rods are installed on the inclined support through screws, then upper, lower, left and right four-sided decorative plates are fixed on the installed support through screws, and finally, a flexible photovoltaic module is adhered to the upper surface of the transverse support rods through gluing. Because installation balcony photovoltaic device is outdoor high altitude construction, too many operating procedure can increase the installation degree of difficulty and operation safety risk.

Disclosure of Invention

The present utility model aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the photovoltaic device provided by the utility model has the advantages that the photovoltaic device is quickly installed through the preloaded photovoltaic assembly, the installation difficulty is reduced, and the installation efficiency and the construction safety are improved.

The photovoltaic device comprises a bearing backboard, wherein a bearing surface connecting part, a first guiding part and a first locking part are arranged on the bearing backboard; the photovoltaic module comprises a photovoltaic body and a photovoltaic frame, wherein the photovoltaic body and the photovoltaic frame form an assembly in a preassembly mode, a second guide part and a second locking part are arranged on the photovoltaic frame, the second guide part is suitable for guiding and matching with the first guide part, and the second locking part is suitable for locking and matching with the first locking part.

According to the photovoltaic device provided by the embodiment of the utility model, the photovoltaic device is quickly installed through the preloaded photovoltaic module, the installation positions of the photovoltaic module are limited through the arrangement of the first guide part and the second guide part, and the photovoltaic module is fixed on the bearing backboard through the arrangement of the first locking part and the second locking part, so that the installation difficulty is reduced, the installation efficiency and the construction safety are improved, and the installation of the photovoltaic device is safer and more convenient.

According to some embodiments of the utility model, one of the first guide portion and the second guide portion is a guide hanging plate, and the other is a guide groove, and the guide hanging plate is suitable for being inserted into the guide groove.

According to some embodiments of the utility model, the first guiding part is a guiding groove, the second guiding part is a guiding hanging plate, and the guiding hanging plate is inserted into the guiding groove from top to bottom.

According to some embodiments of the utility model, the guiding hanging plate comprises a first plate part, a second plate part and a connecting plate part for connecting the first plate part and the second plate part, wherein the first plate part is fixed with the photovoltaic frame, the second plate part is positioned on one side of the first plate part facing the bearing backboard, the second plate part is separated from the photovoltaic frame, and the second plate part is suitable for being inserted into the guiding groove from top to bottom.

According to some embodiments of the utility model, the first guiding part is a guiding hanging plate, the second guiding part is a guiding groove, and the guiding hanging plate is inserted into the guiding groove from bottom to top.

According to some embodiments of the utility model, the first locking portion is a latch bead lock, the second locking portion is a latch bead head, the latch bead lock comprises a first latch bead and a second latch bead, the first latch bead and the second latch bead are rollers and are arranged in parallel, a locking groove is formed between the first latch bead and the second latch bead, the first latch bead and the second latch bead have a movement trend close to each other, the latch bead head comprises a large head portion and a small diameter portion, the small diameter portion is connected with the photovoltaic frame, the large head portion is connected to one end of the small diameter portion, which is far away from the photovoltaic frame, and the small diameter portion is suitable for being clamped in the locking groove.

According to some embodiments of the utility model, the locking engagement position of the first locking portion and the second locking portion is located above the guiding engagement position of the first guiding portion and the second guiding portion.

According to some embodiments of the utility model, the first locking parts are plural, the second locking parts are in one-to-one correspondence with the first locking parts, and the locking matching positions of the plural first locking parts and the corresponding second locking parts are located at two sides above the guiding matching positions of the first guiding parts and the second guiding parts.

According to some embodiments of the utility model, the top of the photovoltaic frame and the top of the load-bearing back-plate are further fastened by a first fastener.

According to some embodiments of the utility model, the photovoltaic body and the photovoltaic frame are pre-assembled by fastening with a second fastener and/or fixing with adhesion, and the bearing surface connecting part is a mounting hole or an expansion screw.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is an exploded view of a photovoltaic device according to an embodiment of the present utility model;

fig. 2 is a perspective view of a photovoltaic device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a load-bearing backing plate;

FIG. 4 is a schematic diagram of a carrier back sheet and a photovoltaic module;

FIG. 5 is a schematic diagram of the top of the carrier back sheet and the top of the photovoltaic module;

FIG. 6 is an enlarged view at A in FIG. 3;

fig. 7 is an enlarged view at B in fig. 4;

fig. 8 is an enlarged view at C in fig. 4.

Reference numerals: the photovoltaic device 100, the carrying back sheet 10, the carrying surface connecting portion 11, the first guide portion 12, the first locking portion 13, the first latch bead 131, the second latch bead 132, the locking groove 133, the extension plate 14, the photovoltaic module 20, the photovoltaic body 21, the photovoltaic frame 22, the diagonal bracing bracket 221, the lateral bracing bar 222, the decoration panel 223, the second guide portion 23, the second locking portion 24, the latch bead head large head portion 241, the small diameter portion 242, the first plate portion 231, the second plate portion 232, the connecting plate portion 233, the first fastener 15, the second fastener 25, and the balcony 200.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

A photovoltaic device 100 according to an embodiment of the present utility model is described in detail below in conjunction with fig. 1-8.

Referring to fig. 1-8, a photovoltaic device 100 according to an embodiment of the present utility model includes a carrier back sheet 10, a photovoltaic module 20. The bearing backboard 10 is provided with a bearing surface connecting portion 11, a first guiding portion 12 and a first locking portion 13. Alternatively, the loading backboard 10 is fixed to the surface of a building such as the balcony 200 or the like or to the surface of other brackets through the loading surface connection portion 11. Referring to fig. 1, 5, and 7-8, the photovoltaic module 20 includes a photovoltaic body 21 and a photovoltaic frame 22, where the photovoltaic body 21 and the photovoltaic frame 22 form an assembly in a preassembly manner, and optionally, the photovoltaic body 21 may be pre-installed on the photovoltaic frame 22 by bending, gluing, fastening, and the like. The photovoltaic frame 22 is provided with a second guiding part 23 and a second locking part 24, and the second guiding part 23 is suitable for guiding and matching with the first guiding part 12 to guide the photovoltaic module 20 to be mounted on the bearing backboard 10. The second locking portion 24 is adapted to be in locking engagement with the first locking portion 13 to secure the photovoltaic module 20 to the carrier back sheet 10.

When the photovoltaic device 100 is installed, the bearing backboard 10 can be firstly installed on the surface of a building such as a balcony 200 or the surface of other supports, the photovoltaic body 21 and the photovoltaic frame 22 are preassembled into an assembly in advance, and then the assembly is connected with the bearing backboard 10, so that the installation of the photovoltaic device 100 can be realized, the installation efficiency of the photovoltaic device 100 can be improved, and the installation time can be shortened.

The photovoltaic body 21 and the photovoltaic frame 22 can be preassembled on the ground in advance, so that the problems of more operation steps and poor safety when the photovoltaic body 21 and the photovoltaic frame 22 are assembled only at high altitude can be avoided. That is, in the case of working aloft, as shown in fig. 4 and fig. 6 to fig. 8, only the installation of the bearing backboard 10 on the wall surface or the bracket surface, the guiding engagement of the second guiding portion 23 and the first guiding portion 12, and the locking engagement of the second locking portion 24 and the first locking portion 13 are required, so that the number of operation steps is small, and the construction safety is improved.

According to the photovoltaic device 100 of the embodiment of the utility model, the photovoltaic device 100 is quickly installed through the preloaded photovoltaic module 20, the installation position of the photovoltaic module 20 is limited through the arrangement of the first guide part 12 and the second guide part 23, and the photovoltaic module 20 is fixed on the bearing backboard 10 through the arrangement of the first locking part 13 and the second locking part 24, so that the installation difficulty of the photovoltaic device 100 is reduced, the installation efficiency and the construction safety are improved, and the installation of the photovoltaic device 100 is safer and more convenient.

In some embodiments of the present utility model, referring to fig. 4 and 8, one of the first guide portion 12 and the second guide portion 23 is a guide hanging plate, and the other is a guide groove, and the guide hanging plate is adapted to be inserted into the guide groove. The guide hanging plate is inserted in the guide groove, and the guide groove limits the movement range of the guide hanging plate in a partial direction, so that the photovoltaic module 20 and the bearing backboard 10 are aligned and installed rapidly.

In some embodiments of the present utility model, referring to fig. 4 and 8, the first guiding portion 12 is a guiding groove, the second guiding portion 23 is a guiding hanging plate, and the guiding hanging plate is inserted into the guiding groove from top to bottom. As shown in fig. 8, the carrier backboard 10 is provided with a guide groove, the photovoltaic module 20 is provided with a guide hanging plate, the guide hanging plate is inserted into the guide groove from top to bottom, and the downward direction and the left and right direction of the photovoltaic module 20 can be limited, so that the photovoltaic module 20 and the carrier backboard 10 can be aligned quickly, the time for aligning the photovoltaic module 20 and the carrier backboard 10 is shortened, the pre-positioning of the photovoltaic module 20 on the carrier backboard 10 can be realized, after the guide hanging plate is inserted into the guide groove from top to bottom, the carrier backboard 10 carries the photovoltaic module 20, an operator does not need to lift the photovoltaic module 20 all the time, and the second locking part 24 and the first locking part 13 can be locked with full force.

In some embodiments of the present utility model, referring to fig. 4 and 8, the guide hanging plate includes a first plate portion 231, a second plate portion 232, and a connection plate portion 233 connecting the first plate portion 231 and the second plate portion 232, the first plate portion 231 is fixed to the photovoltaic frame 22, the second plate portion 232 is located on a side of the first plate portion 231 facing the carrier back plate 10, the second plate portion 232 is separated from the photovoltaic frame 22, and the second plate portion 232 is adapted to be inserted into the guide groove from top to bottom. Alternatively, as shown in fig. 8, the guiding hanging plate is approximately Z-shaped, the first plate 231 is fixed on the photovoltaic frame 22 by bolts, adhesion, welding, etc., the connecting plate 233 extends toward the carrying backboard 10, a gap exists between the second plate 232 and the photovoltaic module 20, and the second plate 232 can be inserted into the guiding groove from top to bottom.

In some embodiments not shown in the figures, the first guiding portion 12 is a guiding hanging plate, the second guiding portion 23 is a guiding groove, and the guiding hanging plate is inserted into the guiding groove from bottom to top. Namely, the guide hanging plate is arranged on the bearing backboard 10, the guide groove is formed in the photovoltaic module 20, the guide hanging plate is inserted into the guide groove from bottom to top, and the downward direction and the left and right direction of the photovoltaic module 20 can be limited, so that the photovoltaic module 20 is aligned with the bearing backboard 10 quickly, the time for aligning the photovoltaic module 20 with the bearing backboard 10 is shortened, the pre-positioning of the photovoltaic module 20 on the bearing backboard 10 can be realized, the guide hanging plate is inserted into the guide groove from bottom to top, the bearing backboard 10 bears the photovoltaic module 20, an operator does not need to always lift the photovoltaic module 20, and the second locking part 24 and the first locking part 13 can be locked at full force.

In some embodiments of the present utility model, referring to fig. 3, 4, 6 and 7, the first locking portion 13 is a latch bead lock, the second locking portion 24 is a latch bead head, the latch bead lock includes a first latch bead 131 and a second latch bead 132, the first latch bead 131 and the second latch bead 132 are balls and are arranged in parallel, a locking groove 133 is formed between the first latch bead 131 and the second latch bead 132, the first latch bead 131 and the second latch bead 132 have a movement trend close to each other, the latch bead head includes a large head portion 241 and a small diameter portion 242, the small diameter portion 242 is connected with the photovoltaic frame 22, the large head portion 241 is connected at an end of the small diameter portion 242 far from the photovoltaic frame 22, and the small diameter portion 242 is adapted to be clamped in the locking groove 133. As shown in fig. 6, the first and second balls 131 and 132 are disposed in the ball box, 4 kidney-shaped holes are formed in the side wall of the ball box, the first ball 131 is fixed in two opposite kidney-shaped holes, the second ball 132 is fixed in the other two opposite kidney-shaped holes, the first ball 131 and the second ball 132 can be separated from and approach each other, and the locking groove 133 between the first ball 131 and the second ball 132 is enlarged or reduced accordingly. The large head 241 of the ball head can extend into the locking groove 133 between the first ball 131 and the second ball 132 and pass over the first ball 131 and the second ball 132, so that the small diameter portion 242 is clamped in the locking groove 133. After the large head 241 of the latch head passes over the first latch 131 and the second latch 132, the distance between the first latch 131 and the second latch 132 is narrowed, so that the width of the locking groove 133 is smaller than that of the large head 241, and the latch head is prevented from falling out of the latch.

In some embodiments of the present utility model, referring to fig. 4, the locking engagement positions of the first locking portion 13 and the second locking portion 24 are located above the guiding engagement positions of the first guiding portion 12 and the second guiding portion 23, so that there is enough space to lock the first locking portion 13 and the second locking portion 24 to each other after the guiding engagement of the first guiding portion 12 and the second guiding portion 23, and the operation is convenient. As shown in fig. 4, the first guiding portion 12 is a guiding slot, the second guiding portion 23 is a guiding hanging plate, the pre-assembled photovoltaic module 20 is placed downward after being slightly inclined, the inclined manner is that the lower end is close to the bearing backboard 10, the upper end is far away from the bearing backboard 10, the guiding hanging plate is inserted into the guiding slot from top to bottom, the downward direction and the left-right direction of the photovoltaic body 21 can be limited, after the photovoltaic module 20 is righted, the upper end of the photovoltaic module 20 is enabled to be aligned with the bearing backboard 10, then the bead-bumping head is inserted into the bead-bumping lock, and the limitation of the photovoltaic frame 22 in six degrees of freedom can be realized, and the photovoltaic module 20 is primarily connected with the bearing backboard 10.

In some embodiments of the present utility model, as shown in fig. 1, 3 and 4, the first locking portions 13 are plural, the second locking portions 24 are in one-to-one correspondence with the first locking portions 13, and the locking engagement positions of the plural first locking portions 13 and the corresponding second locking portions 24 are located on both sides above the guiding engagement positions of the first guiding portion 12 and the second guiding portion 23. Alternatively, as shown in fig. 3-4, two ball-striking heads are respectively arranged at two sides of the photovoltaic frame 22, ball-striking locks are arranged at corresponding positions of the bearing backboard 10, and the positions where the ball-striking heads and the ball-striking locks are in locking fit are positioned at two sides above the matched positions of the guide hanging plate and the guide groove. Providing a plurality of locking engagement locations helps to more securely fix the photovoltaic module 20 to the load-bearing backsheet 10.

In some embodiments of the present utility model, referring to fig. 5, the top of the photovoltaic frame 22 and the top of the load-bearing backsheet 10 are also securely connected by a first fastener 15. Optionally, as shown in fig. 5, an extension board 14 is disposed at the top of the photovoltaic frame 22, after the photovoltaic frame 22 is tightly attached to the carrier backboard 10, the extension board 14 may be attached to the top of the carrier backboard 10, the first fastener 15 is a screw, through holes for installing the screw are correspondingly disposed at positions corresponding to the extension board 14 and the carrier backboard 10, and the extension board 14 of the photovoltaic frame 22 is tightly connected with the carrier backboard 10 through the screw, so that the problem of small locking force when simply relying on the ball latch and the ball latch is prevented, and finally reliable installation and fixation of the whole photovoltaic device 100 are realized. The number of through holes may be plural, for example, three.

In some embodiments of the present utility model, referring to fig. 1, the photovoltaic body 21 and the photovoltaic frame 22 are fastened by the second fastener 25 and/or fastened by adhesion to achieve preassembly, and the bearing surface connection 11 is a mounting hole or an expansion screw. Optionally, the second fastening member 25 is a screw or a rivet, and the photovoltaic body 21 and the photovoltaic frame 22 are fixed by means of screw-bonding. Of course, the photovoltaic body 21 and the photovoltaic frame 22 may be fastened by the second fastening member 25 alone, or may be preassembled by adhesive fixation alone.

In some embodiments, as shown in fig. 1, the photovoltaic frame 22 includes two diagonal braces 221, four lateral support bars 222, three trim panels 223, and an extension panel 14. The photovoltaic frame 22 is assembled by the two diagonal bracing brackets 221, the four transverse supporting rods 222, the three decoration panels 223 and the one extending plate 14 through a screw gluing mode, and then the photovoltaic body 21 is adhered to the upper surface of the transverse supporting rods 222 through gluing, so that the preassembly of the photovoltaic module 20 is completed. Around the back support plate 10, there are support surface connection parts 11 for fixing the back support plate 10 to the balcony 200 or other building. Alternatively, the bearing surface connecting portion 11 is a mounting hole, and the bearing backboard 10 is fixed by means of screws, rivets, or the like. Or the bearing surface connection part 11 is an expansion screw, as shown in fig. 1, the bearing backboard 10 is rectangular, and expansion screws are arranged at four corners, and the bearing backboard 10 can be fixed on the balcony 200 or other building through the expansion screws.

One specific embodiment of the photovoltaic device 100 of the present utility model is provided below.

The photovoltaic device 100 includes a carrier back sheet 10, a photovoltaic module 20. The bearing backboard 10 is provided with a bearing surface connecting portion 11, a guide groove and ball-catching locks, the bearing surface connecting portion 11 is an expansion screw, the expansion screw is arranged around the bearing surface connecting portion 11, the bearing backboard 10 can be fixed on the balcony 200, the guide groove is located at the position of the bearing backboard 10, which is lower than the bearing backboard 10, the ball-catching locks are located above the guide groove, and two ball-catching locks are respectively arranged on two sides of the bearing backboard 10. The photovoltaic module 20 comprises a photovoltaic body 21 and a photovoltaic frame 22, and the photovoltaic body 21 and the photovoltaic frame 22 are combined in three modes of sheet metal bending, gluing and screwing to install the photovoltaic body 21 on the photovoltaic frame 22 in advance. The photovoltaic frame 22 is provided with a guide hanging plate and a ball collision head, the guide hanging plate is inserted into the guide groove from top to bottom, and the downward direction and the left and right directions of the photovoltaic module 20 can be limited. The ball-striking heads are arranged on two sides of the photovoltaic frame 22 and correspond to the positions of the ball-striking locks. The latch includes a first latch 131 and a second latch 132, the first latch 131 and the second latch 132 are rollers and are arranged in parallel, a locking slot 133 is formed between the first latch 131 and the second latch 132, and the first latch 131 and the second latch 132 have a movement trend close to each other. The ball-striking head comprises a large head portion 241 and a small diameter portion 242, the small diameter portion 242 is connected with the photovoltaic frame 22, the large head portion 241 is connected to one end, far away from the photovoltaic frame 22, of the small diameter portion 242, and the small diameter portion 242 is suitable for being clamped in the locking groove 133. The pre-assembled photovoltaic module 20 is placed downwards after being slightly inclined, the guide hanging plate is inserted into the guide groove from top to bottom, the downward direction and the left and right direction of the photovoltaic body 21 can be limited, after the photovoltaic module 20 is righted, the bearing backboard 10 is pasted uniformly, then the ball-striking head is inserted into the ball-striking lock, the limitation of the photovoltaic frame 22 in six degrees of freedom can be achieved, and the photovoltaic module 20 is primarily connected with the bearing backboard 10. After the photovoltaic frame 22 is tightly attached to the carrying backboard 10, the extension board 14 at the top of the photovoltaic frame 22 can be attached to the top of the carrying backboard 10, the first fastening piece 15 is a screw, through holes for installing the screw are correspondingly formed in the corresponding positions of the extension board 14 and the carrying backboard 10, the photovoltaic frame 22 is tightly connected with the carrying backboard 10 through the screw, and finally the whole photovoltaic device 100 is installed.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A photovoltaic device, comprising:

the bearing backboard (10), the bearing backboard (10) is provided with a bearing surface connecting part (11), a first guiding part (12) and a first locking part (13);

photovoltaic module (20), photovoltaic module (20) include photovoltaic body (21) and photovoltaic frame (22), photovoltaic body (21) with photovoltaic frame (22) adopt the preassembly mode to form the sub-assembly, be equipped with second guiding portion (23) and second locking portion (24) on photovoltaic frame (22), second guiding portion (23) be suitable for with first guiding portion (12) direction cooperation, second locking portion (24) be suitable for with first locking portion (13) locking cooperation.

2. The photovoltaic device according to claim 1, characterized in that one of the first and second guiding portions (12, 23) is a guiding rail and the other is a guiding slot, the guiding rail being adapted to be inserted in the guiding slot.

3. The photovoltaic device according to claim 2, characterized in that the first guiding portion (12) is a guiding groove, the second guiding portion (23) is a guiding hanging plate, and the guiding hanging plate is inserted into the guiding groove from top to bottom.

4. A photovoltaic device according to claim 3, characterized in that the guiding hanging plate comprises a first plate part (231), a second plate part (232) and a connecting plate part (233) connecting the first plate part (231) and the second plate part (232), the first plate part (231) is fixed with the photovoltaic frame (22), the second plate part (232) is positioned on one side of the first plate part (231) facing the carrying backboard (10), and the second plate part (232) is separated from the photovoltaic frame (22), and the second plate part (232) is suitable for being inserted into the guiding groove from top to bottom.

5. The photovoltaic device according to claim 2, characterized in that the first guiding portion (12) is a guiding hanging plate, the second guiding portion (23) is a guiding groove, and the guiding hanging plate is inserted into the guiding groove from bottom to top.

6. The photovoltaic device according to claim 1, characterized in that the first locking portion (13) is a latch bead lock, the second locking portion (24) is a latch bead head, the latch bead lock comprises a first latch bead (131) and a second latch bead (132), the first latch bead (131) and the second latch bead (132) are both rollers and are arranged in parallel, a locking groove (133) is formed between the first latch bead (131) and the second latch bead (132), and the first latch bead (131) and the second latch bead (132) have a movement tendency close to each other, the latch bead head comprises a large head portion (241) and a small diameter portion (242), the small diameter portion (242) is connected with the photovoltaic frame (22), the large head portion (241) is connected to an end of the small diameter portion (242) away from the photovoltaic frame (22), and the small diameter portion (242) is adapted to be snapped into the locking groove (133).

7. The photovoltaic device according to claim 1, characterized in that the locking engagement position of the first locking portion (13) and the second locking portion (24) is located above the guiding engagement position of the first guiding portion (12) and the second guiding portion (23).

8. The photovoltaic device according to claim 1, wherein the first locking portions (13) are plural, the second locking portions (24) are in one-to-one correspondence with the first locking portions (13), and locking mating positions of the plural first locking portions (13) and the corresponding second locking portions (24) are located on upper both sides of guiding mating positions of the first guiding portions (12) and the second guiding portions (23).

9. The photovoltaic device according to claim 1, characterized in that the top of the photovoltaic frame (22) and the top of the load-bearing backsheet (10) are also fastened by means of a first fastener (15).

10. Photovoltaic device according to claim 1, characterized in that the photovoltaic body (21) and the photovoltaic frame (22) are pre-assembled by fastening with a second fastener (25) and/or by adhesive fastening, the bearing surface connection (11) being a mounting hole or an expansion screw.

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