Photovoltaic tile structure and photovoltaic building system

Abstract

The application discloses a photovoltaic tile structure and a photovoltaic building system. In the photovoltaic tile structure, the first plate and the second plate are arranged in a staggered manner along a first direction, so that each photovoltaic tile is formed with a first lap joint structure and a second lap joint structure on opposite sides along the first direction. Therefore, when the adjacent photovoltaic tiles are connected to each other, the first lap joint structure of one photovoltaic tile is lap-jointed with the second lap joint structure of the other photovoltaic tile, so that the lap-jointed photovoltaic tile can be stably installed at a specified position under the pressing of the adjacent photovoltaic tile. The sealing member is arranged to seal all the lap joint surfaces between the first lap joint structure and the second lap joint structure, so that the adjacent photovoltaic tiles have a good sealing effect between the first lap joint structure and the second lap joint structure, thereby avoiding the liquid such as rainwater from passing through the connection part of the adjacent photovoltaic tiles, and effectively preventing the junction box arranged at the back of the photovoltaic tile and the installed base frame and other structures from being damp and mildewed.

Description

Technical Field

[0001] This application relates to the field of photovoltaic building technology, and in particular to a photovoltaic tile structure and a photovoltaic building system. Background Technology

[0002] Building-integrated photovoltaics (BIPV) is a technology that integrates photovoltaic products (products that generate electricity using solar energy) into buildings. Photovoltaic tiles are typically laid on the exterior surface of buildings and installed on the building via connecting structures. In existing technologies, there are large gaps between adjacent connected photovoltaic tiles, resulting in poor sealing. This allows rainwater and other liquids to easily seep through the gaps, corroding the junction box located on the back of the photovoltaic tile and causing the base frame to become damp and moldy. Utility Model Content

[0003] The main objective of this application is to provide a photovoltaic tile structure and a photovoltaic building system to solve the problem of poor sealing effect at the splicing point between adjacent photovoltaic tiles in the prior art.

[0004] In a first aspect, this application provides a photovoltaic tile structure, the photovoltaic tile structure including a photovoltaic tile, the photovoltaic tile including a main body, the main body including a first plate and a second plate, the first plate and the second plate being staggered along a first direction, so that the main body is provided with a first overlapping structure and a second overlapping structure on opposite sides along the first direction, and when adjacent photovoltaic tiles are connected to each other, the first overlapping structure of one photovoltaic tile overlaps with the second overlapping structure of another photovoltaic tile. A sealing element is disposed between the first overlapping structure and the second overlapping structure that overlap each other, and seals all overlapping surfaces between the first overlapping structure and the second overlapping structure.

[0005] Furthermore, the sealing element includes a main sealing body and sealing ribs, with multiple sealing ribs extending along a third direction and respectively disposed on the same side of the main sealing body. The main sealing body is sealed and fitted between all overlapping surfaces. When adjacent photovoltaic tiles are connected to each other, the multiple sealing ribs are pressed and sealed between the main sealing body and one of the first plate and the second plate, wherein the third direction and the first direction are perpendicular to each other.

[0006] Furthermore, the first overlapping structure includes a first fitting portion, and the second overlapping structure includes a second fitting portion. When adjacent photovoltaic tiles are connected to each other, the first fitting portion and the second fitting portion fit together along a second direction so that the adjacent photovoltaic tiles are mutually limited in the third direction and the first direction, respectively, wherein the second direction is perpendicular to the third direction and the first direction.

[0007] Furthermore, the photovoltaic tile structure also includes a support, which includes a first limiting support arm and a second limiting support arm. The first limiting support arm and the second limiting support arm extend along a second direction, and the length of the first limiting support arm is greater than the length of the second limiting support arm. The first limiting support arm and the second limiting support arm are spaced apart along a third direction, and the second direction and the third direction are two mutually perpendicular directions. The photovoltaic tile further includes a first hanging ear and a second hanging ear, the first hanging ear and the second hanging ear are respectively connected to opposite sides of the main body along the third direction, the first hanging ear is connected to the second limiting support arm, and the second hanging ear is connected to the first limiting support arm, so that two adjacent photovoltaic tiles along the third direction are connected to the same support. Wherein, the movable space between the second hook and the first limiting support arm along the second direction is greater than the thickness of the first hook along the second direction, and the distance between the first limiting support arm and the second limiting support arm along the third direction is greater than the limiting distance between the first hook and the second limiting support arm along the third direction.

[0008] Furthermore, the photovoltaic tile structure also includes tile strips, with multiple tile strips extending along a first direction in the same plane and arranged parallel to each other at intervals. Multiple supports are connected in an array on the multiple tile strips, and the first direction is perpendicular to the second direction and the third direction, respectively.

[0009] Furthermore, each of the photovoltaic tiles is connected to at least two adjacent supports along the third direction and to at least two adjacent supports along the first direction.

[0010] Furthermore, the support also includes a base plate, the first limiting support arm and the second limiting support arm are respectively connected to the base plate, and the first limiting support arm, the second limiting support arm and the base plate are an integral structure.

[0011] Furthermore, the first limiting support arm includes a first arm and a second arm, the first arm extends along the second direction, the second arm is connected to the end of the first arm away from the base plate, and the second arm extends along the third direction away from the second limiting support arm; The second limiting support arm includes a third arm and a fourth arm. The third arm extends along the second direction, and the fourth arm is connected to the end of the third arm away from the base plate. The fourth arm extends along the third direction toward the direction close to the first arm.

[0012] Furthermore, the first hook includes a first connecting plate, a second connecting plate, and a third connecting plate arranged sequentially. The first connecting plate extends along the third direction and is connected to the back of the main body and pressed against the fourth arm. The second connecting plate extends along the second direction toward the direction close to the bottom plate. The third connecting plate extends along the third direction toward the direction away from the first arm and is limited to the side of the fourth arm close to the bottom plate. The second hook includes a fourth connecting plate, a fifth connecting plate, a sixth connecting plate, and a seventh connecting plate arranged sequentially. The fourth connecting plate extends along the second direction and is connected to the main body on one side along the third direction. The fifth connecting plate extends along the third direction and is connected to the back of the main body and presses against the second arm. The sixth connecting plate extends along the first direction toward the base plate and is limited on the side of the second arm away from the first arm. The seventh connecting plate extends along the third direction toward the first arm and is limited on the side of the second arm near the base plate.

[0013] Secondly, this application also provides a photovoltaic building system, characterized in that the photovoltaic building system includes the photovoltaic tile structure described in any one of the above claims.

[0014] In the photovoltaic tile structure of this application, by staggering the first plate and the second plate of the main body along the first direction, each photovoltaic tile has a first overlapping structure and a second overlapping mechanism formed on opposite sides along the first direction. Therefore, when adjacent photovoltaic tiles are connected to each other, the first overlapping structure of one photovoltaic tile overlaps with the second overlapping structure of another photovoltaic tile, so that the overlapping photovoltaic tile can be stably installed in a designated position under the pressure of the adjacent photovoltaic tiles. By setting the sealing element to seal all the overlapping surfaces between the first overlapping structure and the second overlapping structure, the adjacent photovoltaic tiles have a good sealing effect between the first overlapping structure and the second overlapping structure, thereby preventing rainwater and other liquids from passing through the connection between adjacent photovoltaic tiles, and thus effectively preventing the junction box and the mounting base on the back of the photovoltaic tile from getting damp and moldy. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of two photovoltaic tiles adjacent to each other along a first direction in one embodiment of this application.

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0017] Figure 3 This is a schematic diagram of the back of a photovoltaic tile in one embodiment disclosed in this application.

[0018] Figure 4 This is a schematic diagram of the front of a photovoltaic tile in one embodiment of this application.

[0019] Figure 5 This is a schematic diagram of the first loop in one embodiment of the present application.

[0020] Figure 6 This is a schematic diagram of the second loop in one embodiment of the present application.

[0021] Figure 7 This is a schematic diagram of the support in one embodiment of the present application.

[0022] Figure 8 This is a schematic diagram of the front of a photovoltaic tile arranged in an array according to one embodiment of this application.

[0023] Figure 9 This is a schematic diagram of the back of a photovoltaic tile arranged in an array according to one embodiment of this application.

[0024] Figure 10 This is a schematic diagram of two adjacent photovoltaic tiles along a third direction in one embodiment of this application.

[0025] Figure 11 This is a schematic diagram illustrating the process of disassembling a target photovoltaic tile individually, as disclosed in one embodiment of this application.

[0026] Figure 12 This is a schematic diagram illustrating another process for disassembling a target photovoltaic tile individually, as disclosed in one embodiment of this application.

[0027] Figure 13 This is a schematic diagram illustrating another process of disassembling the target photovoltaic tile individually, as disclosed in one embodiment of this application.

[0028] Figure 14 This is a schematic diagram of a photovoltaic building system in one embodiment of this application.

[0029] Figure 15 for Figure 14 Enlarged view of point B in the middle.

[0030] Figure 16 This is a schematic diagram of a photovoltaic building system from another perspective, as disclosed in one embodiment of this application.

[0031] Figure 17 for Figure 16 Enlarged view of point C in the middle.

[0032] The above figures include the following reference numerals: Photovoltaic tile 10, main body 11, first plate 111, second plate 112, first overlapping structure 113, second overlapping structure 114, first hanging ear 12, first connecting plate 121, second connecting plate 122, third connecting plate 123, second hanging ear 13, fourth connecting plate 131, fifth connecting plate 132, sixth connecting plate 133, seventh connecting plate 134, sealing element 20, main sealing body 21, sealing rib 22, support 30, first limiting support arm 31, first arm 311, second arm 312, second limiting support arm 32, third arm 321, fourth arm 322, base plate 33, slot 331, fixing hole 332, tile hanging strip 40, junction box 50 60, sealing strip, 71 heat dissipation channel, base plate, 72, first sub-board, 721, second sub-board, 722, bracket, 73, first support frame, 731, second support frame, 732, water guide strip, 74, waterproof cover, 80, first water guide plate, 811, second guide plate, 812, third guide plate, 813, fourth guide plate, 814, air guide plate, 82, air outlet, 821, second water guide plate, 90, ventilation grate, 91, second plate, 92, third plate, 93, fourth plate, 94, fifth plate, 95, air inlet, 951, sixth plate, first direction L1, second direction L2, third direction L3, vertical direction L4, horizontal direction L5. Detailed Implementation

[0033] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0034] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0035] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0036] Please see Figure 1-4 As shown, this application provides a photovoltaic tile structure, which includes a photovoltaic tile 10 and a sealing member 20, wherein the sealing member 20 is sealed between adjacent photovoltaic tiles 10.

[0037] The photovoltaic tile 10 includes a main body 11, which includes a first plate 111 and a second plate 112. The first plate 111 and the second plate 112 are staggered along a first direction L1 so that the main body 11 has a first overlapping structure 113 and a second overlapping structure 114 on opposite sides along the first direction L1. When adjacent photovoltaic tiles 10 are connected to each other, the first overlapping structure 113 of one photovoltaic tile 10 overlaps with the second overlapping structure 114 of the other photovoltaic tile 10.

[0038] The sealing element 20 is disposed between the overlapping first overlapping structure 113 and the second overlapping structure 114, and seals all overlapping surfaces between the first overlapping structure 113 and the second overlapping structure 114.

[0039] By staggering the first plate 111 and the second plate 112 of the main body 11 along the first direction L1, each photovoltaic tile 10 has a first overlapping structure 113 and a second overlapping mechanism formed on opposite sides along the first direction L1. Therefore, when adjacent photovoltaic tiles 10 are connected to each other, the first overlapping structure 113 of one photovoltaic tile 10 overlaps with the second overlapping structure 114 of another photovoltaic tile 10, so that the overlapping photovoltaic tile 10 can be stably installed in a designated position under the pressure of the adjacent photovoltaic tiles 10. By setting the sealing member 20 to seal all the overlapping surfaces between the first overlapping structure 113 and the second overlapping structure 114, the adjacent photovoltaic tiles 10 have a good sealing effect between the first overlapping structure 113 and the second overlapping structure 114, thereby preventing rainwater and other liquids from passing through the connection between adjacent photovoltaic tiles 10, and thus effectively preventing the junction box 50 and the mounting base on the back of the photovoltaic tile 10 from getting damp and moldy.

[0040] Please see Figure 2 As shown in the embodiment of this application, the sealing element 20 includes a main sealing body 21 and sealing ribs 22. Multiple sealing ribs 22 extend along a third direction L3 and are respectively disposed on the same side of the main sealing body 21. The main sealing body 21 seals against all overlapping surfaces. When adjacent photovoltaic tiles 10 are interconnected, the multiple sealing ribs 22 are pressed and sealed between the main sealing body 21 and one of the first plate 111 and the second plate 112, wherein the third direction L3 and the first direction L1 are perpendicular to each other.

[0041] By setting multiple sealing ribs 22, the sealing connection between adjacent photovoltaic tiles 10 is improved, thereby further reducing the risk of rainwater and other liquids flowing through the gap between the first overlapping structure 113 and the second overlapping structure 114 to the back of the photovoltaic tile 10.

[0042] Furthermore, when adjacent photovoltaic tiles 10 are interconnected, multiple sealing ribs 22 are pressed and sealed between the main sealing body 21 and one of the first plate 111 and the second plate 112 along the second direction L2, wherein the second direction L2 is perpendicular to the third direction L3 and the first direction L1, respectively.

[0043] In the embodiments of this application, the first overlapping structure 113 includes a first fitting portion, and the second overlapping structure 114 includes a second fitting portion. When adjacent photovoltaic tiles 10 are connected to each other, the first fitting portion and the second fitting portion fit together along the second direction L2 so that the adjacent photovoltaic tiles 10 are mutually limited in the third direction L3 and the first direction L1 respectively, thereby enabling the adjacent photovoltaic tiles 10 to be connected together more stably.

[0044] Please see Figure 5-9 As shown in the embodiments of this application, the photovoltaic tile structure further includes a support 30. The support 30 includes a first limiting support arm 31 and a second limiting support arm 32. The first limiting support arm 31 and the second limiting support arm 32 extend along the second direction L2, and the length of the first limiting support arm 31 along the second direction L2 is greater than the length of the second limiting support arm 32. The first limiting support arm 31 and the second limiting support arm 32 are spaced apart along the third direction L3, such that among two adjacent photovoltaic tiles 10 connected along the third direction L3 on each support 30, the photovoltaic tile 10 connected to the first limiting support arm 31 is located above the other photovoltaic tile 10 connected to the second limiting support arm 32.

[0045] The photovoltaic tile 10 also includes a first hanging ear 12 and a second hanging ear 13. The first hanging ear 12 and the second hanging ear 13 are respectively connected to opposite sides of the main body 11 along the third direction L3. The first hanging ear 12 is connected to the second limiting support arm 32, and the second hanging ear 13 is connected to the first limiting support arm 31, so that two adjacent photovoltaic tiles 10 along the third direction L3 are connected to the same support 30.

[0046] Please see Figure 10-13 As shown, the movable space between the second hanging ear 13 and the first limiting support arm 31 along the second direction L2 is greater than the thickness of the first hanging ear 12 along the second direction L2, and the distance between the first limiting support arm 31 and the second limiting support arm 32 along the third direction L3 is greater than the limiting distance between the first hanging ear 12 and the second limiting support arm 32 along the third direction L3. This allows the photovoltaic tile 10 to move away from the support 30 at one end of the second hanging ear 13 relative to the first limiting support arm 31 along the second direction L2. Consequently, while maintaining mutual limiting between the photovoltaic tile 10 connected to the first limiting support arm 31 and the first limiting support arm 31, sufficient space can be provided for the photovoltaic tile 10 connected to the second limiting support arm 32 to allow the target photovoltaic tile 10 to be independently installed and removed.

[0047] Furthermore, at one end of the photovoltaic tile 10 on the second hanging ear 13, it can move away from the support 30 along the second direction L2 relative to the first limiting support arm 31. This allows one of two adjacent photovoltaic tiles 10 connected to the same support 30 along the third direction L3 to move away from the support 30 along the second direction L2 when the photovoltaic tile 10 connected to the first limiting support arm 31 moves away from the support 30 along the second direction L2. Another photovoltaic tile 10 connected to the second limiting support arm 32 can move along the third direction L3 from the second limiting support arm 32 toward the first limiting support arm 31 to remove the mutual limiting between it and the support 30. After moving away from the support 30 along the second direction L2, it can move along the third direction L3 from the first limiting support arm 31 toward the second limiting support arm 32 to disassemble the photovoltaic tile 10 individually. Therefore, a photovoltaic tile 10 can be precisely disassembled and reassembled according to actual needs to replace or maintain the disassembled photovoltaic tile 10.

[0048] Please see Figure 8-10 As shown in the embodiments of this application, the photovoltaic tile structure further includes tile strips 40. Multiple tile strips 40 extend along the first direction L1 in the same plane and are arranged parallel to each other at intervals. Multiple supports 30 are connected in an array on the multiple tile strips 40, so that the multiple supports 30 are evenly distributed on the multiple tile strips 40, thereby making the connection points between each photovoltaic tile 10 and the corresponding multiple supports 30 uniform, so that each photovoltaic panel can be uniformly connected to the corresponding multiple supports 30 under force.

[0049] In the embodiments of this application, each photovoltaic tile 10 is connected to at least two adjacent supports 30 along the third direction L3 and to at least two adjacent supports 30 along the first direction L1, so that each photovoltaic panel is connected to at least four supports 30, thereby enabling each photovoltaic tile 10 to be stably connected.

[0050] Please see Figure 7As shown in the embodiment of this application, the support 30 further includes a base plate 33. The first limiting support arm 31 and the second limiting support arm 32 are respectively connected to the base plate 33 and extend along the first direction L1 on the same side of the base plate 33. The first limiting support arm 31, the second limiting support arm 32, and the base plate 33 are an integral structure, making the overall structure of the support 30 more stable, reducing the steps required to assemble the support 30 onto the roof tile strip 40, improving the installation efficiency of the support 30, and enhancing the support strength of the support 30 for the photovoltaic tile 10.

[0051] Furthermore, the base plate 33 has a slot 331 formed in the direction away from the first limiting support arm 31 and the second limiting support arm 32. The tile strip 40 is inserted into the slot 331 so that the support 30 and the tile strip 40 can be initially positioned through the slot 331, thereby further reducing the assembly difficulty of the support 30 and improving assembly efficiency and assembly accuracy.

[0052] Furthermore, the base plate 33 is provided with a fixing hole 332, which is used for a fixing member to pass through, so that the fixing member passing through can be fixed on the tile strip 40, thereby fixing the support 30 on the tile strip 40.

[0053] In the embodiments of this application, the first limiting support arm 31 includes a first arm 311 and a second arm 312. The first arm 311 extends along the second direction L2, and the second arm 312 is connected to the end of the first arm 311 away from the base plate 33. The second arm 312 extends along the third direction L3 away from the second limiting support arm 32, so that the second arm 312 is obliquely upward, thereby effectively limiting the connection with the corresponding second hook 13.

[0054] The second limiting support arm 32 includes a third arm 321 and a fourth arm 322. The third arm 321 extends along the second direction L2, and the fourth arm 322 is connected to the end of the third arm 321 away from the base plate 33. The fourth arm 322 extends along the third direction L3 toward the first arm 311, so that the fourth arm 322 is obliquely upward, thereby effectively limiting the connection with the corresponding first hook 12.

[0055] Please see Figure 5As shown in the embodiment of this application, the first hook 12 includes a first connecting plate 121, a second connecting plate 122, and a third connecting plate 123 arranged sequentially. The first connecting plate 121 extends along the third direction L3 and is connected to the back of the main body 11, and presses against the fourth arm 322, so that the main body 11 and the second limiting support arm 32 have a large contact area. The second connecting plate 122 extends along the second direction L2 toward the direction close to the bottom plate 33 and is limited at the end of the fourth arm 322 away from the third arm 321, so that the first hook 12 and the second limiting support arm 32 are mutually limited along the third direction L3. The third connecting plate 123 extends along the third direction L3 toward the direction away from the first arm 311 and is limited on the side of the fourth arm 322 close to the bottom plate 33, so that the first hook 12 and the second limiting support arm 32 are mutually limited along the second direction L2.

[0056] Please see Figure 6 As shown, the second hook 13 includes a fourth connecting plate 131, a fifth connecting plate 132, a sixth connecting plate 133, and a seventh connecting plate 134 arranged sequentially. The fourth connecting plate 131 extends along the second direction L2 and connects to the main body 11 on one side along the third direction L3, so that the second hook 13 can limit the tilted main body 11. The fifth connecting plate 132 extends along the third direction L3 and connects to the back of the main body 11 and presses against the second arm 312, so that the second hook 13 can lift the main body 11 and enlarge the main body. The contact area between the second arm 31 and the first limiting support arm 31; the sixth connecting plate 133 extends along the first direction toward the base plate 33 and is limited on the side of the second arm 312 away from the first arm 311, so that the second hanging ear 13 and the first limiting support arm 31 are mutually limited along the third direction L3; the seventh connecting plate 134 extends along the third direction L3 toward the first arm 311 and is limited on the side of the second arm 312 near the base plate 33, so that the second hanging ear 13 and the first limiting support arm 31 are mutually limited along the second direction L2.

[0057] Please see Figure 3 As shown in the embodiments of this application, the photovoltaic tile structure also includes a junction box 50. Each of the main bodies 11 is provided with a junction box 50 on its back side. The junction box 50 is used to connect the electrical energy generated by the photovoltaic tile 10 to an external line for current conduction, and to protect the components in the photovoltaic tile structure.

[0058] In the embodiments of this application, the plane containing the third direction L3 and the first direction L1 is an inclined plane. Therefore, the second hanging ear 13 of each photovoltaic tile 10 is located below the first hanging ear 12 along the inclined plane.

[0059] Please see Figure 10 As shown in the embodiment of this application, a sealing strip 60 is provided between the second hanging ear 13 and the first hanging ear 12. The sealing strip 60 is used to prevent rainwater and other liquids from seeping in from between two adjacent photovoltaic tiles 10 along the third direction L3, causing rainwater and other liquids to enter the back of the photovoltaic tile 10 and damage components or structures such as the junction box 50.

[0060] Please refer to 14-17. This application also provides a photovoltaic building system, which includes the photovoltaic tile structure described in any of the above claims. Therefore, the photovoltaic building system has all the beneficial effects of the photovoltaic tile structure described above, which will not be repeated here.

[0061] Furthermore, the photovoltaic building system also includes a base frame, which is installed on the roof of the building for installing the photovoltaic tiles 10. A heat dissipation channel 71 is formed between the photovoltaic tiles 10 and the base frame. The heat dissipation channel 71 is used for airflow to dissipate heat from the photovoltaic tiles 10, thereby ensuring the power generation efficiency of the photovoltaic tiles 10 and the structural durability of the base frame.

[0062] Furthermore, the photovoltaic building system also includes a waterproof cover 80 and a ventilation grate 90. The waterproof cover 80 is connected between the top of the base frame and the photovoltaic tile 10. The waterproof cover 80 includes a first water guide plate 81 and a wind guide plate 82. The first water guide plate 81 is connected to the wind guide plate 82. The first water guide plate 81 is located above the wind guide plate 82 in the vertical direction L4. The wind guide plate 82 has spaced-apart air outlets 821, each of which is connected to the heat dissipation channel 71. The ventilation grate 90 is connected between the bottom of the base frame and the photovoltaic tile 10, and the ventilation grate 90 is located below the photovoltaic tile 10 in the vertical direction L4. The ventilation grate 90 has spaced-apart air inlets 951, each of which is connected to the heat dissipation channel 71. Airflow enters the heat dissipation channel 71 through each air inlet 951 and exits from each air outlet 821.

[0063] By installing the waterproof cover 80, rainwater and other liquids, as well as debris such as leaves, can be prevented from entering the heat dissipation channel 71 between the photovoltaic tile 10 and the base frame from the top of the photovoltaic building system. By installing the ventilation grate 90, leaves and other debris can be prevented from entering the heat dissipation channel 71 between the photovoltaic tile 10 and the base frame from the bottom of the photovoltaic building system. This ensures that the heat dissipation channel 71 remains unobstructed, allowing external airflow to smoothly enter the heat dissipation channel 71 from each of the air inlets 951 and exit from each of the air outlets 821. This ensures that the photovoltaic tile 10 can achieve efficient heat dissipation and prevents rainwater and other liquids from corroding the base frame.

[0064] Please see Figure 17 As shown in the embodiment of this application, the waterproof cover 80 further includes a second water guide plate 83. The air guide plate 82 is vertically connected between the first water guide plate 81 and the second water guide plate 83. The second water guide plate 83 is inclined, and one end of the second water guide plate 83 away from the air guide plate 82 is connected to the photovoltaic tile 10. The second water guide plate 83 is at least partially located below the first water guide plate 81 along the vertical direction L4, so that rainwater and other liquids flowing back from the first water guide plate 81 can drip directly onto the second water guide plate 83 and be guided from the second water guide plate 83 to the front of the photovoltaic tile 10.

[0065] The first water guide plate 81 includes a first guide plate 811, a second guide plate 812, and a third guide plate 813 arranged sequentially. The first guide plate 811 is located above the third guide plate 813. The second guide plate 812 is vertically connected between the first guide plate 811 and the third guide plate 813. The third guide plate 813 is connected between the second guide plate 812 and the air guide plate 82. The third guide plate 813 is inclined upwards from the direction of the second guide plate 812 to the air guide plate 82, so that rainwater and other liquids flow from the first guide plate 811 to the second guide plate 812 and drip directly onto the second water guide plate 83, thereby preventing rainwater and other liquids from flowing to the third guide plate 813 and along the third guide plate 813 to the air guide plate 82, and thus preventing rainwater and other liquids from entering the heat dissipation channel 71 through the air outlet 821.

[0066] Please see Figure 17 As shown in the embodiment of this application, the first water guide plate 81 further includes a fourth guide plate 814, which is connected between the third guide plate 813 and the air guide plate 82 along the horizontal direction L5. By providing the fourth guide plate 814 extending along the horizontal direction L5, rainwater and other liquids can be further prevented from flowing to the air guide plate 82.

[0067] The base frame includes a base plate 72 and a support 73. The base plate 72 is inclinedly disposed on the roof of the building. The support 73 is connected to the top of the base plate 72 and limits and supports the inner side of the waterproof cover 80. By setting the support 73, the waterproof cover 80 can be effectively limited and supported, so that the waterproof cover 80 can effectively prevent rainwater and other liquids from entering the heat dissipation channel 71 and effectively allow air passing through the heat dissipation channel 71 to flow out.

[0068] Please see Figure 17 As shown in the embodiment of this application, the bracket 73 includes a first support frame 731 and a second support frame 732. The second support frame 732 is connected between the first support frame 731 and the substrate 72, and is used to support the first support frame 731 inside the waterproof cover 80.

[0069] A second guide plate 812 is connected to each of the opposite ends of the first guide plate 811. The two second guide plates 812 are connected to a third guide plate 813, and the two third guide plates 813 are connected to a fourth guide plate 814. The first guide plate 811 and the two fourth guide plates 814 are connected to the opposite sides of the first support frame 731 in the vertical direction L4, thereby mutually limiting each other with the first support frame 731 in the vertical direction L4. The two second guide plates 812 are connected to the other opposite sides of the second support frame 732 in the horizontal direction L5, thereby mutually limiting each other with the first support frame 731 in the horizontal direction L5.

[0070] In an embodiment of this application, the substrate 72 includes a first sub-board 721 and a second sub-board 722, the first sub-board 721 and the second sub-board 722 having opposite slopes, such that the first sub-board 721 and the second sub-board 722 are connected together with the same degree of inclination.

[0071] Please see Figure 14-16 As shown, the base frame also includes water-following strips 74. Multiple water-following strips 74 are respectively provided on the first sub-plate 721 and the second sub-plate 722 along a third direction L3. Multiple tile-hanging strips 40 are also provided on the multiple water-following strips 74 on the first sub-plate 721 along a first direction L1, and multiple tile-hanging strips 40 are also provided on the multiple water-following strips 74 on the second sub-plate 722 along the first direction L1. Each tile-hanging strip 40 is spaced apart by multiple supports 30 along the first direction L1. By providing multiple tile-hanging strips 40 and multiple water-following strips 74 interconnected along the first direction L1 and the third direction L3, a stable connection to the photovoltaic tile 10 is achieved, while also ensuring smooth airflow through the heat dissipation channel 71.

[0072] Please see Figure 15 As shown in the embodiments of this application, the ventilation grate 90 includes a first plate 91, a second plate 92, a third plate 93, a fourth plate 94, a fifth plate 95, and a sixth plate 96 arranged sequentially. The first plate 91 extends along the second direction L2 and is limited to abutting between the fifth connecting plate 132 and the seventh connecting plate 134. The second plate 92 extends along the third direction L3 toward the fourth connecting plate 131 and fits against the side of the fifth connecting plate 132 away from the main body 11. The third plate 93 extends along the second direction L2 toward the side away from the main body 11. The fourth plate 94 extends along the third direction L3 toward the waterproof cover 80, the fifth plate 95 extends along the second direction L2 toward the direction away from the main body 11, and the fifth plate 95 forms a plurality of spaced ventilation holes, and the sixth plate 96 extends along the third direction L3 and abuts against the support 30, so that the ventilation grate 90 is also used to limit and support one end of the second hanging ear 13 of the photovoltaic tile 10 located at the bottom along the third direction L3, thereby ensuring that the external airflow can enter the heat dissipation channel 71 stably and smoothly.

[0073] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0074] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0075] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A photovoltaic tile structure, characterized in that, include: A photovoltaic tile, comprising a main body, the main body comprising a first plate and a second plate, the first plate and the second plate being staggered along a first direction, such that the main body is provided with a first overlapping structure and a second overlapping structure on opposite sides along the first direction, wherein when adjacent photovoltaic tiles are connected to each other, the first overlapping structure of one photovoltaic tile overlaps with the second overlapping structure of another photovoltaic tile. A sealing element is disposed between the first overlapping structure and the second overlapping structure that overlap each other, and seals all overlapping surfaces between the first overlapping structure and the second overlapping structure.

2. The photovoltaic tile structure according to claim 1, characterized in that, The sealing element includes a main sealing body and sealing ribs. Multiple sealing ribs extend along a third direction and are respectively disposed on the same side of the main sealing body. The main sealing body is sealed and fitted between all overlapping surfaces. When adjacent photovoltaic tiles are connected to each other, multiple sealing ribs are pressed and sealed between the main sealing body and one of the first plate and the second plate, wherein the third direction and the first direction are perpendicular to each other.

3. The photovoltaic tile structure according to claim 2, characterized in that, The first overlapping structure includes a first fitting portion, and the second overlapping structure includes a second fitting portion. When adjacent photovoltaic tiles are connected to each other, the first fitting portion and the second fitting portion fit together along a second direction so that the adjacent photovoltaic tiles are mutually limited in the third direction and the first direction, respectively. The second direction is perpendicular to the third direction and the first direction, respectively.

4. The photovoltaic tile structure according to claim 2, characterized in that, The photovoltaic tile structure also includes a support, which includes a first limiting support arm and a second limiting support arm. The first limiting support arm and the second limiting support arm extend along a second direction, and the length of the first limiting support arm is greater than the length of the second limiting support arm. The first limiting support arm and the second limiting support arm are spaced apart along a third direction, and the second direction and the third direction are two mutually perpendicular directions. The photovoltaic tile further includes a first hanging ear and a second hanging ear, the first hanging ear and the second hanging ear are respectively connected to opposite sides of the main body along the third direction, the first hanging ear is connected to the second limiting support arm, and the second hanging ear is connected to the first limiting support arm, so that two adjacent photovoltaic tiles along the third direction are connected to the same support. Wherein, the movable space between the second hook and the first limiting support arm along the second direction is greater than the thickness of the first hook along the second direction, and the distance between the first limiting support arm and the second limiting support arm along the third direction is greater than the limiting distance between the first hook and the second limiting support arm along the third direction.

5. The photovoltaic tile structure according to claim 4, characterized in that, The photovoltaic tile structure also includes tile strips, multiple tile strips extending along a first direction in the same plane and arranged parallel to each other at intervals, and multiple supports connected in an array on the multiple tile strips, and the first direction is perpendicular to the second direction and the third direction respectively.

6. The photovoltaic tile structure according to claim 5, characterized in that, Each of the photovoltaic tiles is connected to at least two adjacent supports along the third direction and to at least two adjacent supports along the first direction.

7. The photovoltaic tile structure according to claim 5, characterized in that, The support also includes a base plate, and the first limiting support arm and the second limiting support arm are respectively connected to the base plate, and the first limiting support arm, the second limiting support arm and the base plate are an integral structure.

8. The photovoltaic tile structure according to claim 7, characterized in that, The first limiting support arm includes a first arm and a second arm. The first arm extends along the second direction, and the second arm is connected to the end of the first arm away from the base plate. The second arm extends along the third direction away from the second limiting support arm. The second limiting support arm includes a third arm and a fourth arm. The third arm extends along the second direction, and the fourth arm is connected to the end of the third arm away from the base plate. The fourth arm extends along the third direction toward the direction close to the first arm.

9. The photovoltaic tile structure according to claim 8, characterized in that, The first hook includes a first connecting plate, a second connecting plate and a third connecting plate arranged in sequence. The first connecting plate extends along the third direction and is connected to the back of the main body and pressed against the fourth arm. The second connecting plate extends along the second direction toward the direction close to the bottom plate. The third connecting plate extends along the third direction toward the direction away from the first arm and is limited to the side of the fourth arm close to the bottom plate. The second hook includes a fourth connecting plate, a fifth connecting plate, a sixth connecting plate, and a seventh connecting plate arranged sequentially. The fourth connecting plate extends along the second direction and is connected to the main body on one side along the third direction. The fifth connecting plate extends along the third direction and is connected to the back of the main body and presses against the second arm. The sixth connecting plate extends along the first direction toward the base plate and is limited on the side of the second arm away from the first arm. The seventh connecting plate extends along the third direction toward the first arm and is limited on the side of the second arm near the base plate.

10. A photovoltaic building system, characterized in that, The photovoltaic building system includes the photovoltaic tile structure as described in any one of claims 1-9.

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