Lightning protection device for photovoltaic module

Abstract

The utility model relates to the technical field of photovoltaic equipment, in particular to a photovoltaic module lightning protection device, which comprises a building roof, a building gable wall fixedly connected to the side surface of the building roof, a plurality of groups of equipment brackets mounted on the upper side of the building roof, lightning receiving belts arranged on the upper sides of the equipment brackets, and a connecting assembly arranged between two groups of lightning receiving belts, the connecting assembly comprises a connecting shell, a current-conducting plate, a first adjusting block, a threaded rod, a second adjusting block and a first pressing plate, multiple sets of positioning assemblies are fixed to the surface of the building gable and the side face of the equipment support correspondingly, and each positioning assembly comprises a first fixing shell, a second fixing shell, a first connecting block, a fixing lead screw, a second connecting block, a second pressing plate and a third pressing plate; the ends of the lightning receiving belts on the two sides are inserted between the first pressing plate and the current-conducting plate, the threaded rod, the first pressing plate and the current-conducting plate are matched to rapidly clamp and fix the lightning receiving belts, the installation efficiency of the lightning receiving belts is improved, the construction risk of workers is reduced, and the lightning receiving belts can be conveniently disassembled, recycled and reused.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic equipment, in particular to a photovoltaic component lightning protection device. Background Art

[0002] Photovoltaic is the abbreviation of solar photovoltaic power generation system. It is a power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. It has two modes of operation: independent operation and grid-connected operation. Photovoltaic is divided into two categories. One is centralized, such as large-scale northwest ground photovoltaic power generation systems; the other is distributed (with >6MW as the dividing line), such as residential rooftop photovoltaic power generation systems. Among them, photovoltaic panels in residential rooftop photovoltaic power generation systems are mostly installed on the roof of buildings. Due to the high height of the building roof, it is extremely susceptible to damage from lightning in thunderstorms. Therefore, in order to improve the safety of photovoltaic equipment, lightning rods are installed on the upper side of the photovoltaic panel bracket. The lightning rod needs to be used in conjunction with the lightning strip during use.

[0003] Existing lightning rods are mostly fixed by welding during the installation process. Since photovoltaic panels are installed on the roof, the roof structure is relatively complex and it is inconvenient to weld, resulting in low equipment installation efficiency. Long-term high-altitude operations will also increase the work risks of construction workers and low construction safety.

[0004] Therefore, it is necessary to invent a photovoltaic module lightning protection device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a photovoltaic module lightning protection device to solve the problem that the photovoltaic panels are installed on the roof, the roof structure is relatively complex, and it is inconvenient to weld, resulting in low equipment installation efficiency, long-term high-altitude work will also increase the work risks of construction workers, and the construction safety is low.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic module lightning protection device, comprising a building roof, the side of the building roof is fixedly connected to the building gable, multiple groups of equipment brackets are installed on the upper side of the building roof, and lightning strips are provided on the upper side of the equipment brackets. A connecting assembly is provided between two groups of the lightning strips, and the connecting assembly includes a connecting shell, a conductive plate, a first adjustment block, a threaded rod, a second adjustment block, and a first pressure plate. Multiple groups of positioning assemblies are fixed to the surface of the building gable and the side of the equipment bracket, and the positioning assembly includes a first fixed shell, a second fixed shell, a first connecting block, a fixed screw rod, a second connecting block, a second pressure plate and a third pressure plate.

[0007] By adopting the above technical solution, the lightning strip is fixed to the side of the equipment bracket through the positioning component, and the connecting lightning strip is quickly fixed. At the same time, the connecting component quickly connects two sets of adjacent lightning strips, thereby improving the installation efficiency of the connecting lightning strip.

[0008] Optionally, a support plate is fixedly connected to the lower surface of the conductive plate, and the lower end of the support plate is fixedly connected to the inner bottom wall of the connecting shell.

[0009] By adopting the above technical solution, the supporting plate fixes the conductive plate.

[0010] Optionally, two groups of first adjustment blocks are fixedly connected to the upper surface of the connecting shell, and the internal threads of the first adjustment blocks are connected to threaded rods.

[0011] Optionally, the second adjusting block is rotatably connected to the lower end of the threaded rod, and the second adjusting block is fixedly connected to the upper surface of the first pressing plate.

[0012] By adopting the above technical solution, the threaded rod rotates downward inside the first adjusting block, thereby pushing the first pressure plate downward, cooperating with the conductive plate to press and fix the flash belt.

[0013] Optionally, the first fixed shell is rotatably connected to the second fixed shell, a connecting plate is fixedly connected to a side surface of the second fixed shell, and a connecting hole is provided on a surface of the connecting plate.

[0014] By adopting the above technical solution, screws are passed through the connection holes and fixed to the side of the building gable or the equipment bracket.

[0015] Optionally, a first connecting block is fixedly connected to the right surface of the first fixed shell, a fixed screw is slidably connected to the inside of the first connecting block, a second connecting block is fixedly connected to the side of the second fixed shell, a threaded hole is provided on the surface of the second connecting block, and the lower end of the fixed screw is threadedly connected to the threaded hole.

[0016] By adopting the above technical solution, the lower end of the fixed screw rod is threadedly connected to the threaded hole, thereby locking and fixing the first fixed shell and the second fixed shell.

[0017] Optionally, a second pressing plate is fixedly connected to the inner top wall of the first fixed shell, and a third pressing plate is fixedly connected to the inner bottom wall of the second fixed shell.

[0018] By adopting the above technical solution, the second pressure plate and the third pressure plate cooperate to position the flash strip.

[0019] Optionally, a plurality of sets of embedded parts are fixedly connected to the surface of the building roof, the embedded parts are fixedly connected to the lower end of the equipment bracket, and a photovoltaic panel is installed on the upper surface of the equipment bracket.

[0020] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0021] 1. The utility model inserts the ends of the two side lightning rods between the first pressure plate and the conductive plate, and then rotates the threaded rod to push the first pressure plate downward. The first pressure plate and the conductive plate cooperate to clamp and fix the lightning rods, thereby quickly locking and fixing the two adjacent sets of lightning rods. This improves the installation efficiency of the lightning rods, thereby reducing the construction risks of workers, and facilitates the disassembly and recycling of the lightning rods, thereby improving resource utilization efficiency. It solves the problem that the photovoltaic panels are installed on the roof, the roof structure is relatively complex, and it is inconvenient to weld, resulting in low equipment installation efficiency, and long-term high-altitude work also increases the work risks of construction workers and reduces construction safety.

[0022] 2. The utility model fixes the lightning strip to the side of the building gable or the equipment bracket by passing screws through the connecting hole. During the installation of the lightning strip to the building gable or the equipment bracket, the lightning strip is clamped on the surface of the third pressure plate. At this time, the first fixing shell and the second fixing shell are locked, and the position of the lightning strip is quickly installed and fixed, thereby further improving the installation efficiency of the lightning strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the equipment support structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the outer structure of the connection shell of the utility model;

[0026] Figure 4 This is a schematic diagram of the inner structure of the connection shell of the utility model;

[0027] Figure 5 This is a schematic diagram of the outer structure of the first fixed shell of the present invention;

[0028] Figure 6 This is a schematic diagram of the inner structure of the first fixed shell of the present invention.

[0029] Description of reference numerals:

[0030] 1. Building roof; 11. Building gable; 12. Equipment bracket; 13. Photovoltaic panel; 14. Embedded parts; 15. Lightning conductor; 2. Connecting shell; 21. Support plate; 22. Conductive plate; 23. First adjustment block; 24. Threaded rod; 25. Second adjustment block; 26. First pressure plate; 3. First fixing shell; 31. Second fixing shell; 32. Connecting plate; 33. First connecting block; 34. Fixed screw rod; 35. Second connecting block; 36. Second pressure plate; 37. Third pressure plate. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0032] The utility model provides Figures 1 to 2 A photovoltaic module lightning protection device shown includes a building roof 1, a building gable 11 is fixedly connected to the side of the building roof 1, multiple groups of equipment brackets 12 are installed on the upper side of the building roof 1, multiple groups of embedded parts 14 are fixedly connected to the surface of the building roof 1, the embedded parts 14 are fixedly connected to the lower end of the equipment bracket 12, a photovoltaic panel 13 is installed on the upper surface of the equipment bracket 12, and a lightning strip 15 is provided on the upper side of the equipment bracket 12.

[0033] Among them, the embedded parts 14 are pre-installed on the surface of the building roof 1 and connected to the lower end of the equipment bracket 12 by bolts, which facilitates the rapid installation of the equipment bracket 12 and then realizes the rapid installation of the photovoltaic panel 13. At the same time, the lightning rod 15 is installed on the upper side of the equipment bracket 12 to attract lightning and conduct lightning to the underground, thereby improving the safety of photovoltaic equipment.

[0034] See Figures 2 to 4 A connecting assembly is provided between the two groups of lightning rods 15, and the connecting assembly includes a connecting shell 2, a conductive plate 22, a first adjusting block 23, a threaded rod 24, a second adjusting block 25, and a first pressure plate 26. The lower surface of the conductive plate 22 is fixedly connected to the support plate 21, and the lower end of the support plate 21 is fixedly connected to the inner bottom wall of the connecting shell 2. The upper surface of the connecting shell 2 is fixedly connected to two groups of first adjusting blocks 23, and the internal thread of the first adjusting block 23 is connected to the threaded rod 24. The second adjusting block 25 is rotatably connected to the lower end of the threaded rod 24, and the second adjusting block 25 is fixedly connected to the upper surface of the first pressure plate 26.

[0035] Specifically, the lightning rod 15 is a hot-dip galvanized round steel, and the conductive plate 22 is a hot-dip galvanized steel plate. In the process of connecting the left and right lightning rods 15, the connecting shell 2 is first placed on the surface of the left lightning rod 15. After the right equipment bracket 12 and the lightning rod 15 on its surface are installed, the connecting shell 2 is slid to the right so that the left and right lightning rods 15 are respectively stuck on the lower side of the first pressure plates 26 on the left and right sides. Then, the threaded rod 24 is rotated and pushed downward, and then the first pressure plate 26 is pushed downward. The first pressure plate 26 cooperates with the conductive plate 22 to lock and fix the lightning rod 15. The conductive plate 22 is used to conduct the lightning received by the lightning rod 15.

[0036] See Figure 2 、 Figure 5 and Figure 6 , multiple groups of positioning components are fixed to the surface of the building gable 11 and the side of the equipment bracket 12, the positioning components include a first fixed shell 3, a second fixed shell 31, a first connecting block 33, a fixing screw 34, a second connecting block 35, a second pressure plate 36 and a third pressure plate 37, the first fixed shell 3 is rotatably connected to the second fixed shell 31, the side of the second fixed shell 31 is fixedly connected to the connecting plate 32, the surface of the connecting plate 32 is provided with a connecting hole, the right surface of the first fixed shell 3 is fixedly connected to the first connecting block 33, the inside of the first connecting block 33 is slidingly connected to the fixing screw 34, the side of the second fixed shell 31 is fixedly connected to the second connecting block 35, the surface of the second connecting block 35 is provided with a threaded hole, the lower end of the fixing screw 34 is threadedly connected to the threaded hole, the inner top wall of the first fixed shell 3 is fixedly connected to the second pressure plate 36, and the inner bottom wall of the second fixed shell 31 is fixedly connected to the third pressure plate 37.

[0037] In addition, two groups of brackets are pre-welded on the surface of the lightning rod 15. Both groups of brackets are lightning rods 15 made of hot-dip galvanized round steel. The positioning components on the surface of the building gable 11 and the positioning components on the surface of the equipment bracket 12 are pre-fixed. Before installation, the positioning components are first fixed to the sides of the building gable 11 and the equipment bracket 12 by screws, and then the equipment bracket 12 is installed on the surface of the building roof 1. Next, the two groups of bracket lightning rods 15 are clamped on the surface of the third pressure plate 37, and then the first fixing shell 3 is turned over so that the second pressure plate 36 and the third pressure plate 37 clamp the bracket lightning rod 15, and the fixing screw 34 is threadedly connected to the threaded hole on the surface of the second connecting block 35, and the first fixing shell 3 and the second fixing shell 31 are locked and fixed, and then the lightning rod 15 is installed and fixed.

[0038] At the same time, when the left end of the lightning strip 15 is introduced into the ground, the lightning strip 15 is laid downward close to the building gable 11, and the lightning strip 15 is clamped inside the second fixed shell 31 on the surface of the building gable 11, and the position of the lightning strip 15 is locked and fixed. There are no lightning protection requirements for the connecting components and the positioning components, and the operation is more convenient.

[0039] The working principle of the present invention is as follows: by inserting the end portions of the lightning-termination tapes 15 on both sides between the first pressure plate 26 and the conductive plate 22, and then rotating the threaded rod 24 to push the first pressure plate 26 downward, the first pressure plate 26 cooperates with the conductive plate 22 to clamp and fix the lightning-termination tapes 15, thereby quickly locking and fixing the two adjacent groups of lightning-termination tapes 15, improving the installation efficiency of the lightning-termination tapes 15, thereby reducing the construction risks of workers, and facilitating the disassembly and recycling of the lightning-termination tapes 15, thereby improving resource utilization efficiency.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention.

Claims

1. A photovoltaic module lightning protection device, comprising a building roof (1), characterized in that: The side of the building roof (1) is fixedly connected to the building gable (11), and multiple groups of equipment brackets (12) are installed on the upper side of the building roof (1). Lightning conductors (15) are provided on the upper side of the equipment brackets (12). A connecting assembly is provided between two groups of the lightning conductors (15), and the connecting assembly includes a connecting shell (2), a conductive plate (22), a first adjustment block (23), a threaded rod (24), a second adjustment block (25), and a first pressure plate (26). Multiple groups of positioning assemblies are fixed to the surface of the building gable (11) and the side of the equipment bracket (12), and the positioning assemblies include a first fixed shell (3), a second fixed shell (31), a first connecting block (33), a fixed threaded rod (34), a second connecting block (35), a second pressure plate (36), and a third pressure plate (37).

2. A photovoltaic module lightning protection device according to claim 1, characterized in that: The lower surface of the conductive plate (22) is fixedly connected to a support plate (21), and the lower end of the support plate (21) is fixedly connected to the inner bottom wall of the connection shell (2).

3. A photovoltaic module lightning protection device according to claim 2, characterized in that: Two groups of first adjustment blocks (23) are fixedly connected to the upper surface of the connection shell (2), and the internal threads of the first adjustment blocks (23) are connected to threaded rods (24).

4. A photovoltaic module lightning protection device according to claim 3, characterized in that: The second adjustment block (25) is rotatably connected to the lower end of the threaded rod (24), and the second adjustment block (25) is fixedly connected to the upper surface of the first pressing plate (26).

5. The photovoltaic module lightning protection device according to claim 1, characterized in that: The first fixed shell (3) is rotatably connected to the second fixed shell (31); a connecting plate (32) is fixedly connected to the side surface of the second fixed shell (31); and a connecting hole is provided on the surface of the connecting plate (32).

6. A photovoltaic module lightning protection device according to claim 5, characterized in that: A first connecting block (33) is fixedly connected to the right side surface of the first fixed shell (3), a fixed screw rod (34) is slidably connected inside the first connecting block (33), a second connecting block (35) is fixedly connected to the side surface of the second fixed shell (31), a threaded hole is provided on the surface of the second connecting block (35), and the lower end of the fixed screw rod (34) is threadedly connected to the threaded hole.

7. The photovoltaic module lightning protection device according to claim 1, characterized in that: The inner top wall of the first fixed shell (3) is fixedly connected to a second pressing plate (36), and the inner bottom wall of the second fixed shell (31) is fixedly connected to a third pressing plate (37).

8. The photovoltaic module lightning protection device according to claim 1, characterized in that: A plurality of groups of embedded parts (14) are fixedly connected to the surface of the building roof (1), the embedded parts (14) are fixedly connected to the lower end of the equipment bracket (12), and a photovoltaic panel (13) is installed on the upper surface of the equipment bracket (12).

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