Overlock structure, photovoltaic tile and building integrated photovoltaic system

Abstract

The utility model relates to an edge locking structure, a photovoltaic tile and a photovoltaic building integrated system. The lockrand structure is used for connecting two adjacent photovoltaic substrates, the lockrand structure comprises a support and a cover plate covering the support, and a first connecting part and a second connecting part are arranged on the support and the cover plate respectively, so that during use, the photovoltaic substrates are connected between the first connecting part and the second connecting part; the first connecting part and the second connecting part are bent and engaged relative to the photovoltaic substrate, so that the photovoltaic substrate is locked, connection between the connecting mechanism and the two adjacent photovoltaic substrates is further realized, and the connecting operation is more efficient and reliable; and the first connecting part and the second connecting part can bear larger stress, so that the use stability and reliability of the photovoltaic tile are improved. Meanwhile, the adjacent photovoltaic substrates are not required to be fastened by components such as screws, so that the flatness and the aesthetic degree of the surface of the photovoltaic tile can be improved.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic technology, and particularly to an edge-locking structure, a photovoltaic tile, and a photovoltaic building integration system. Background Art

[0002] With the development of new energy technology and building energy-saving technology, the application of new energy in the building field is becoming more and more extensive, and the application forms are also more diversified. Among them, the photovoltaic tile is a technology that combines solar energy utilization with roofing building materials. Specifically, a photovoltaic tile refers to integrating a photovoltaic cell into a structure similar to a traditional roofing tile, so that it can not only play the role of a roof covering material, but also generate electric energy by using solar energy. This design enables the photovoltaic tile to directly replace conventional roofing materials and achieve building integration, which is both beautiful and practical, and is an important part of promoting green buildings and the application of renewable energy.

[0003] In the related art, the edge-locking effect of the photovoltaic substrate of the photovoltaic tile is not good, which affects its load-bearing performance. Summary of the Utility Model

[0004] Based on this, it is necessary to provide an edge-locking structure for solving the problem of poor edge-locking effect existing in the existing photovoltaic tiles.

[0005] An edge-locking structure for connecting two adjacent photovoltaic substrates, the edge-locking structure comprising:

[0006] A bracket and a cover plate covering the bracket; the bracket is located between two adjacent photovoltaic substrates, and the bracket is configured with a first connecting portion;

[0007] The cover plate is configured with a second connecting portion, the photovoltaic substrate is connected between the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion can be bent relative to the photovoltaic substrate to lock the photovoltaic substrate.

[0008] In one embodiment, the second connecting portion includes a first rib plate and a second rib plate connected to the first rib plate, and the first rib plate extends along the arrangement direction;

[0009] The second rib plate can be bent relative to the first rib plate to a first state. When the second rib plate is in the first state, the second rib plate extends along the arrangement direction to cooperate with the first rib plate to form a first clamping groove for clamping the photovoltaic substrate.

[0010] In one embodiment, the bracket includes a base and a sliding rib connected to the base, the sliding rib protrudes relative to the base to form the first connecting portion, the first connecting portion is connected to the first rib plate, and the photovoltaic substrate is connected to the first connecting portion.

[0011] In one embodiment, the first rib, the second rib and the first connecting portion can be bent to a second state. When in the second state, the first rib, the second rib and the first connecting portion all extend longitudinally to limit the photovoltaic substrate from disengaging from the first clamping groove; the longitudinal direction is perpendicular to the arrangement direction.

[0012] In one embodiment, the base includes two intersecting first inclined portions, and the intersection of the two first inclined portions is recessed in a direction away from the cover plate relative to the first connecting portion;

[0013] The sliding rib includes two intersecting second inclined portions, and the intersection of the two second inclined portions is recessed in a direction away from the cover plate relative to the first connecting portion.

[0014] In one embodiment, the edge-locking structure further includes a first locking member, and the first locking member passes through the first inclined portion and the second inclined portion to lock the sliding rib and the base.

[0015] In one embodiment, a sliding groove for the first locking member to pass through is formed in one of the first inclined portion and the second inclined portion, and the sliding groove extends along the arrangement direction so that the sliding rib can move relative to the base along the arrangement direction.

[0016] In one embodiment, the cover plate is provided with a water guiding portion, and the water guiding portion is configured with two intersecting third inclined portions, and the intersection of the two third inclined portions protrudes in a direction away from the bracket relative to the second connecting portion.

[0017] In one embodiment, the third inclined portion and the second inclined portion cooperate to enclose a deformation space;

[0018] When the edge-locking structure is in the first state, the included angle between the two third inclined portions is not greater than the included angle between the two second inclined portions;

[0019] When the edge-locking structure is in the second state, the included angle between the two third inclined portions is greater than the included angle between the two second inclined portions.

[0020] A photovoltaic tile includes a plurality of photovoltaic substrates arranged along an arrangement direction and the edge-locking structure as described above for connecting two adjacent photovoltaic substrates, and the photovoltaic substrates are used for installing photovoltaic modules.

[0021] In one embodiment, the photovoltaic substrate is provided with an installation groove for installing the photovoltaic module.

[0022] A photovoltaic building integration system includes a plurality of the photovoltaic tiles as described above.

[0023] The above edge-locking structure includes an edge-locking structure for connecting two adjacent substrates. The edge-locking structure includes a bracket and a cover plate covering the bracket. By respectively arranging a first connecting part and a second connecting part on the bracket and the cover plate, during use, the photovoltaic substrate is connected between the first connecting part and the second connecting part. The first connecting part and the second connecting part are bent and engaged relative to the photovoltaic substrate, thereby locking the photovoltaic substrate, and further realizing the connection between the connecting mechanism and two adjacent photovoltaic substrates. The connection operation is more efficient and reliable. Moreover, the first connecting part and the second connecting part can withstand greater stress, thus increasing the use stability and reliability of the photovoltaic tile. At the same time, since adjacent photovoltaic substrates do not need to be fastened by components such as screws, the flatness and aesthetic degree of the surface of the photovoltaic tile can be improved. Description of the Drawings

[0024] Figure 1 It is a schematic diagram of a photovoltaic tile provided by an embodiment of the present application with a photovoltaic module installed.

[0025] Figure 2 is Figure 1 a schematic diagram of the photovoltaic tile shown.

[0026] Figure 3 is Figure 2 an exploded schematic diagram of the bracket and the cover plate in the photovoltaic tile shown.

[0027] Figure 4 is Figure 3 a schematic diagram of the bracket and the cover plate in the photovoltaic tile shown.

[0028] Figure 5 is Figure 4 a schematic diagram of the edge-locking structure in the photovoltaic tile shown in the first state.

[0029] Figure 6 is Figure 1 a schematic diagram of the edge-locking structure in the photovoltaic tile shown in the second state.

[0030] Figure 7 is Figure 1 a schematic diagram of the photovoltaic substrate in the photovoltaic tile shown.

[0031] Figure 8 It is a schematic diagram of the edge-locking structure in a photovoltaic tile provided by another embodiment of the present application.

[0032] Reference numerals: 10, photovoltaic tile; 100, photovoltaic substrate; 110, installation groove; 120, edge locking portion; 200, bracket; 210, base; 211, first inclined portion; 220, sliding rib; 221, first connecting portion; 222, second inclined portion; 223, sliding groove; 300, cover plate; 310, second connecting portion; 311, first rib plate; 312, second rib plate; 313, first clamping groove; 320, water guiding portion; 321, third inclined portion; 410, first locking member; 1000, photovoltaic module. Detailed implementation manners

[0033] In order to make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0034] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application 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 should not be construed as a limitation of the present application.

[0035] In addition, if these terms "first" and "second" appear, these terms are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0036] In this application, unless otherwise clearly specified or limited, if terms such as "installed", "connected", "linked", "fixed", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] In this application, unless otherwise clearly specified or limited, if there is a description such as a first feature being "on" or "under" a second feature, its meaning can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or just means that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or just means that the first feature is at a lower horizontal level than the second feature.

[0038] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. If an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If so, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0039] Refer to Figures 1 to 6 As shown, the photovoltaic tile 10 provided by an embodiment of this application includes a plurality of photovoltaic substrates 100 arranged along the arrangement direction and a locking structure. The photovoltaic substrates 100 are used to install photovoltaic modules 1000; the locking structure is used to connect two adjacent photovoltaic substrates 100. It can be understood that the arrangement direction of the photovoltaic substrates 100 is the array direction of the plurality of photovoltaic modules 1000. For example, in Figure 1 the perspective shown, the arrangement direction is the left - right direction in the figure, where the arrangement direction is indicated by an arrow X.

[0040] The photovoltaic tile 10 realizes the connection of two adjacent photovoltaic substrates 100 through a edge-locking structure. The connection operation is more efficient and reliable, which can well realize the assembly line operation, reduce the production time and labor cost, and contribute to improving the production efficiency. Moreover, the use stability and reliability of the photovoltaic tile 10 are increased. At the same time, since the adjacent photovoltaic substrates 100 do not need to be fastened by components such as screws, the flatness and aesthetic degree of the surface of the photovoltaic tile 10 can be improved. Hereinafter, the edge-locking structure provided by an embodiment of the present application will be introduced in detail with reference to the drawings.

[0041] Referring to Figures 3 to 6 As shown in the figure, in one embodiment, the edge-locking structure includes a bracket 200 and a cover plate 300 covering the bracket 200. The bracket 200 is located between two adjacent photovoltaic substrates 100, and the bracket 200 is configured with a first connection portion 221. The cover plate 300 is configured with a second connection portion 310. The photovoltaic substrate 100 is connected between the first connection portion 221 and the second connection portion 310, and the first connection portion 221 and the second connection portion 310 can be bent relative to the photovoltaic substrate 100 to lock the photovoltaic substrate 100. It can be understood that, as Figure 4 and Figure 5 shown, a edge-locking portion 120 is provided at the edge of the photovoltaic substrate 100, and the edge-locking portion 120 is clamped between the first connection portion 221 and the second connection portion 310. After the edge-locking operation, the edge-locking portion 120, the first connection portion 221 and the second connection portion 310 are connected as a whole, as Figure 6 shown.

[0042] For the above edge-locking structure, by respectively providing the first connection portion 221 and the second connection portion 310 on the bracket 200 and the cover plate 300, during use, the photovoltaic substrate 100 is connected between the first connection portion 221 and the second connection portion 310, and the first connection portion 221 and the second connection portion 310 are bent and engaged relative to the photovoltaic substrate 100, so as to lock the photovoltaic substrate 100, and then realize the connection of the connection mechanism and two adjacent photovoltaic substrates 100. The connection operation is more efficient and reliable, which can well realize the assembly line operation, reduce the production time and labor cost, and contribute to improving the production efficiency. Moreover, the first connection portion 221 and the second connection portion 310 can bear greater stress, so the use stability and reliability of the structure of the photovoltaic tile 10 are increased. At the same time, since the adjacent photovoltaic substrates 100 do not need to be fastened by components such as screws, the flatness and aesthetic degree of the surface of the photovoltaic tile 10 can be improved.

[0043] Among them, the photovoltaic substrate 100 can be made of pre-painted steel sheet, which has the advantages of light weight, high strength and excellent corrosion resistance. Reinforcing ribs are also provided on the photovoltaic substrate 100, so that the overall strength of the photovoltaic substrate 100 is enhanced. The photovoltaic substrate 100 is formed on-site by a roll press according to the plate width. The cover plate 300 is pre-formed by a processing factory and then transported to the construction site. The bracket 200 is processed into a finished product in the factory and then transported to the construction site. The bracket 200 can be fixed to the purlin by self-tapping screws.

[0044] Referring to Figures 4 to 6 As shown, in one embodiment, the second connecting portion 310 includes a first rib plate 311 and a second rib plate 312 connected to the first rib plate 311. The first rib plate 311 extends along the arrangement direction, and the second rib plate 312 intersects the extension direction of the first rib plate 311. Specifically, the second rib plate 312 can be bent relative to the first rib plate 311 to a first state. When the second rib plate 312 is in the first state, the second rib plate 312 extends along the arrangement direction to cooperate with the first rib plate 311 to form a first clamping groove 313 for clamping the photovoltaic substrate 100. That is to say, after the second rib plate 312 is bent relative to the first rib plate 311, a U-shaped first clamping groove 313 can be formed between the two. The edge of the photovoltaic substrate 100 is clamped and fixed through the first clamping groove 313 to realize the connection of two adjacent photovoltaic substrates 100.

[0045] Referring to Figures 4 to 6 As shown, in one embodiment, the bracket 200 includes a base 210 and a sliding rib 220 connected to the base 210. The sliding rib 220 protrudes relative to the base 210 to form the first connecting portion 221. As Figure 4 shown, the first connecting portion 221 protrudes from the base 210 and extends along the arrangement direction, and the first connecting portion 221 is connected to the first rib plate 311. The photovoltaic substrate 100 is connected to the first connecting portion 221. Thus, with the bending of the second rib plate 312, both the photovoltaic substrate 100 and the first connecting portion 221 can be covered in the first clamping groove 313 between the first rib plate 311 and the second rib plate 312, as Figure 5 shown. Among them, the sliding rib 220 is fixedly connected to the base 210. For example, the two can be riveted or bolted, etc. Specifically, in this embodiment, the sliding rib 220 and the base 210 are riveted by a first locking member 410. The first locking member 410 can specifically be a rivet, etc.

[0046] Furthermore, referring to Figure 5As shown, the second rib plate 312 first bends inward from the vertical state relative to the first connecting portion 221 to the horizontal state, so that the edge-locking portion 120 of the photovoltaic substrate 100 and the first connecting portion 221 are covered in the first clamping groove 313 between the first rib plate 311 and the second rib plate 312. At this time, the first rib plate 311, the second rib plate 312, the first connecting portion 221, and the edge-locking portion 120 of the photovoltaic substrate 100 all extend in the horizontal direction. Then, the first rib plate 311, the second rib plate 312, the first connecting portion 221, and the edge-locking portion 120 of the photovoltaic substrate 100 can all bend inward from the horizontal state to the second state, that is, the vertical state. When in the second state, the first rib plate 311, the second rib plate 312, the first connecting portion 221, and the edges of the photovoltaic substrate 100 all extend longitudinally, and the edge-locking portion 120, the first connecting portion 221, and the second connecting portion 310 are connected as a whole. At the same time, under the stress influence of the edge-locking operation, the cover plate 300 undergoes a certain amount of expansion and contraction to offset the stress influence received by the edge-locking operation and prevent damage. Among them, the longitudinal direction is perpendicular to the arrangement direction, and the longitudinal direction is the up-and-down direction in the figure. Through the bending of the first connecting portion 221 and the second connecting portion 310, the photovoltaic substrate 100 is thus covered between the two, thereby restricting the photovoltaic substrate 100 from disengaging from the first clamping groove 313, ensuring the connection reliability of two adjacent photovoltaic substrates 100, and further ensuring the use reliability of the photovoltaic tile 10.

[0047] Referring to Figures 3 to 6 As shown, in a specific embodiment, the base 210 includes two intersecting first inclined portions 211, and the intersection of the two first inclined portions 211 is recessed in a direction away from the cover plate 300 relative to the first connecting portion 221; the sliding rib 220 includes two intersecting second inclined portions 222, and the intersection of the two second inclined portions 222 is recessed in a direction away from the cover plate 300 relative to the first connecting portion 221. That is to say, the two first inclined portions 211 form a V-shaped structure, the two second inclined portions 222 form a V-shaped structure, and the first inclined portion 211 and the second inclined portion 222 are connected. By providing the inclined portions with a V-shaped structure, a deformation space is reserved for the base 210 and the sliding rib 220. Through the change of the deformation space, the stress influence caused by the edge-locking operation on the base 210 and the sliding rib 220 can be offset to avoid damage. At the same time, the setting of the deformation space reserves sufficient space for the first locking member 410 to avoid the first locking member 410 from touching the cover plate 300.

[0048] Referring to Figures 4 to 8 As shown, in one of the embodiments, one of the sliding rib 220 and the base 210 is provided with a sliding groove 223 for the first locking member 410 to pass through, and the sliding groove 223 extends along the arrangement direction. As Figure 6As shown, in one embodiment, a chute 223 is formed on the sliding rib 220. As Figure 8 shown, in other embodiments, it is also possible that a chute 223 is formed on the base 210. By providing the chute 223, on the one hand, it can allow the first locking member 410 to pass through and fasten the base 210 and the sliding rib 220. On the other hand, due to the provision of the chute 223, the overall structure formed after the edge-locking connection of the cover plate 300, the sliding rib 220 and the photovoltaic substrate 100 can move relative to the base 210 along the length direction of the photovoltaic substrate 100 to eliminate the influence caused by the thermal expansion and contraction of the photovoltaic substrate 100, so that there is a certain tolerance between the sliding rib 220 and the photovoltaic substrate 100, facilitating the installation of the two, and being able to adapt to the thermal expansion and contraction of the base 210.

[0049] Referring to Figures 4 to 6 shown, in one embodiment, the cover plate 300 is provided with a water guiding portion 320. By providing the water guiding portion 320 on the cover plate 300, the accumulated water on the photovoltaic tile 10 can be drained downward, preventing the possibility of accumulated water gathering on the photovoltaic tile 10 and eroding the photovoltaic module 1000, and ensuring the power generation effect of the photovoltaic module 1000. Specifically, the water guiding portion 320 is configured with two intersecting third inclined portions 321, and the intersection point of the two third inclined portions 321 protrudes in a direction away from the bracket 200 relative to the second connecting portion 310. That is to say, the water guiding portion 320 is an inverted V-shaped structure. Through the third inclined portion 321, the accumulated water can gather by itself under the action of gravity and be drained, improving the waterproof effect.

[0050] Referring to Figures 4 to 6 shown, in one embodiment, the third inclined portion 321 and the second inclined portion 222 cooperate to enclose a deformation space. In this way, during the edge-locking operation, affected by the edge-locking force, the slope of the third inclined portion 321 will adaptively become gentler, that is, the size of the deformation space will change. As Figure 5 shown, when the edge-locking structure is in the first state, the included angle between the two third inclined portions 321 is not greater than the included angle between the two second inclined portions 222; as Figure 6 shown, when the edge-locking structure is in the second state, that is, the edge-locked state, the included angle between the two third inclined portions 321 is greater than the included angle between the two second inclined portions 222, that is, the slope of the third inclined portion 321 will adaptively become gentler, and at the same time the size of the deformation space changes. Through the change of the deformation space, the stress influence on the cover plate 300 caused by the edge-locking operation is offset, avoiding damage. Among them, the water guiding portion 320 is a rib plate with a telescopic function and has a certain elongation rate during use, so as to be able to offset the stress influence received during the edge-locking operation.

[0051] Referring to Figure 1 、 Figure 2and Figure 7 As shown, in one of the embodiments, the photovoltaic substrate 100 is provided with a mounting groove 110 for mounting the photovoltaic module 1000. Specifically, during installation, the T-shaped bolt is inverted and placed into the mounting groove 110. The part of the bolt extending out of the mounting groove 110 is bolted to the pressing block, and the photovoltaic module 1000 is fixed to the pressing block. In this way, the installation and fixation of the photovoltaic module 1000 are achieved.

[0052] Furthermore, as Figure 1 shown, an embodiment of the present application further provides a photovoltaic building integration system, including a plurality of photovoltaic tiles 10 as described above and photovoltaic modules 1000 mounted on the photovoltaic tiles 10. During use, the photovoltaic substrate 100 is connected between the first connecting portion 221 and the second connecting portion 310. By bending and engaging the first connecting portion 221 and the second connecting portion 310 relative to the photovoltaic substrate 100, the photovoltaic substrate 100 is locked, thereby realizing the connection of the connecting mechanism with two adjacent photovoltaic substrates 100. The connection operation is more efficient and reliable, improving the installation efficiency while reducing the installation difficulty; the first connecting portion 221 and the second connecting portion 310 can withstand greater stress, thus increasing the use stability and reliability of the photovoltaic system.

[0053] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0054] The above-described embodiments only represent several implementation manners of the present application. Their descriptions are relatively specific and detailed, but they should not be construed as limitations on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A locking edge structure, characterized in that: Used to connect two adjacent photovoltaic substrates (100), the edge locking structure comprises: It comprises a bracket (200) and a cover plate (300) covered on the bracket (200); the bracket (200) is located between two adjacent photovoltaic substrates (100), and the bracket (200) is configured with a first connecting portion (221); The cover plate (300) is configured with a second connection portion (310), the photovoltaic substrate (100) is connected between the first connection portion (221) and the second connection portion (310), and the first connection portion (221) and the second connection portion (310) are capable of being bent relative to the photovoltaic substrate (100) to lock the photovoltaic substrate (100).

2. The edge locking structure according to claim 1, characterized in that: The second connecting portion (310) comprises a first rib (311) and a second rib (312) connected to the first rib (311), and the first rib (311) extends along the arrangement direction; The second rib (312) can be bent relative to the first rib (311) to a first state; when the second rib (312) is in the first state, the second rib (312) extends along the arrangement direction to cooperate with the first rib (311) to form a first clamping groove (313) for clamping the photovoltaic substrate (100).

3. The edge locking structure according to claim 2, characterized in that: The bracket (200) comprises a base (210) and a sliding rib (220) connected to the base (210); the sliding rib (220) extends relative to the base (210) to form a first connecting portion (221); the first connecting portion (221) is connected to the first rib plate (311); and the photovoltaic substrate (100) is connected to the first connecting portion (221).

4. The edge locking structure according to claim 3, characterized in that: The first rib (311), the second rib (312) and the first connecting portion (221) can be bent to a second state. When in the second state, the first rib (311), the second rib (312) and the first connecting portion (221) all extend in a longitudinal direction to limit the photovoltaic substrate (100) from being separated from the first clamping groove (313); the longitudinal direction is perpendicular to the arrangement direction.

5. The edge locking structure according to claim 4, characterized in that: The base (210) comprises two intersecting first inclined portions (211), and the intersection of the two first inclined portions (211) is recessed relative to the first connecting portion (221) in a direction away from the cover plate (300); The sliding rib (220) comprises two intersecting second inclined portions (222), and the intersection of the two second inclined portions (222) is recessed relative to the first connecting portion (221) in a direction away from the cover plate (300).

6. The edge locking structure according to claim 5, characterized in that: The edge locking structure further comprises a first locking member (410), wherein the first locking member (410) is disposed through the first inclined portion (211) and the second inclined portion (222) to lock the sliding rib (220) and the base (210).

7. The edge locking structure according to claim 6, characterized in that: One of the first inclined portion (211) and the second inclined portion (222) is provided with a slide groove (223) for the first locking member (410) to pass through, and the slide groove (223) extends along the arrangement direction so that the sliding rib (220) can move relative to the base (210) along the arrangement direction.

8. The edge locking structure according to claim 5, characterized in that: The cover plate (300) is provided with a water guide portion (320), the water guide portion (320) being constructed with two intersecting third inclined portions (321), the intersection of the two third inclined portions (321) protruding relative to the second connecting portion (310) in a direction away from the bracket (200).

9. The edge locking structure according to claim 8, characterized in that: The third inclined portion (321) cooperates with the second inclined portion (222) to enclose a deformation space; When the edge locking structure is in the first state, the angle between the two third inclined portions (321) is not greater than the angle between the two second inclined portions (222); When the edge locking structure is in the second state, the angle between the two third inclined portions (321) is greater than the angle between the two second inclined portions (222).

10. A photovoltaic tile, characterized in that: Comprising a plurality of photovoltaic substrates (100) arranged along an arrangement direction, and a locking structure as claimed in any one of claims 1 to 9 for connecting two adjacent photovoltaic substrates (100), wherein the photovoltaic substrates (100) are used for installing a photovoltaic module (1000).

11. The photovoltaic tile according to claim 10, characterized in that: The photovoltaic substrate (100) is provided with a mounting groove (110) for mounting the photovoltaic component (1000).

12. A photovoltaic building integrated system, characterized in that: Comprising a plurality of photovoltaic tiles according to claim 10 or 11.

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