Lightning protection device for photovoltaic panel

Abstract

The utility model relates to the field of lightning protection devices, and discloses a lightning protection device for a photovoltaic panel, which comprises a mounting plate, a box body and a supporting frame, the top of the supporting frame is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with the mounting plate, the top of the mounting plate is fixedly connected with a first grounding line, and the bottom of the supporting frame is fixedly connected with a supporting rod. One side of one supporting rod is fixedly connected with a box body, one side of the box body is fixedly connected with a second grounding circuit, and one end of the box body is fixedly connected with a third grounding circuit. Through cooperative use of the box body, the supporting frame, the first grounding line, the second grounding line and the third grounding line, a plurality of grounding lines can be formed, more effective grounding protection can be provided for the characteristics of each device, the influence of thunder and lightning on the whole system is reduced, different devices can have independent grounding paths through layered grounding, and the reliability of the system is improved. The risk of current sharing is reduced, and the overall safety and reliability of the system are improved.

Description

Technical Field

[0001] The present application relates to the technical field of lightning protection devices, and in particular to a lightning protection device for photovoltaic panels. Background Art

[0002] Photovoltaic power generation is the process of converting solar energy into electricity through the photovoltaic effect. It relies primarily on photovoltaic modules to capture sunlight and generate electricity. Lightning protection devices are crucial in photovoltaic power generation systems, as lightning strikes can damage system components and equipment, impacting power generation efficiency and safety.

[0003] Currently, the relevant lightning protection devices for photovoltaic panels cannot meet the grounding requirements of multiple different photovoltaic devices due to the lack of the arrangement of multiple grounding lines. Therefore, it is not easy to better implement lightning protection measures for photovoltaic systems. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides a lightning protection device for photovoltaic panels.

[0005] The present application provides a photovoltaic panel lightning protection device that adopts the following technical solutions:

[0006] A lightning protection device for photovoltaic panels, comprising a mounting plate, a box and a support frame, wherein the top of the support frame is fixedly connected to the connecting frame, the top of the connecting frame is fixedly connected to the mounting plate, the top of the mounting plate is fixedly connected to a first grounding circuit, the bottom of the support frame is fixedly connected to a support rod, six support rods are provided, one side of one of the support rods is fixedly connected to the box, one side of the box is fixedly connected to the second grounding circuit, and one end of the box is fixedly connected to the third grounding circuit.

[0007] Preferably, a fixing bracket is fixedly connected to the top of the mounting plate inside the first grounding circuit, and a bolt hole is provided inside the fixing bracket.

[0008] Preferably, the mounting plate is in an inverted V shape, and the included angle is 160°.

[0009] Preferably, a door is movably mounted on the surface of the box body, and a handle is fixedly connected to the surface of the door.

[0010] Preferably, the support rod is provided with fixing holes inside, and there are three groups of fixing holes.

[0011] In summary, this application has the following beneficial technical effects:

[0012] By setting up the box, support frame, first grounding line, second grounding line and third grounding line, multiple grounding lines can be formed, which can provide more effective grounding protection according to the characteristics of each device and reduce the impact of lightning on the entire system. Through layered grounding, different devices can have independent grounding paths, thereby reducing the risk of current sharing and improving the overall safety and reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall three-dimensional diagram of an embodiment of the application;

[0014] Figure 2 is a bottom view of an embodiment of the application;

[0015] Figure 3 It is a schematic diagram of the partial structure of the mounting plate and the first grounding circuit of the embodiment of the application.

[0016] Explanation of the accompanying drawings: 1. fixing bracket; 2. mounting plate; 3. first grounding circuit; 4. support rod; 401. fixing hole; 5. box body; 6. box door; 601. handle; 7. second grounding circuit; 8. third grounding circuit; 9. supporting bracket; 10. connecting bracket. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-3 This application is described in further detail.

[0018] The embodiment of the present application discloses a lightning protection device for photovoltaic panels. Figure 1-3, a lightning protection device for photovoltaic panels, including a mounting plate 2, a box 5 and a support frame 9, the top of the support frame 9 is fixedly connected to a connecting frame 10, the top of the connecting frame 10 is fixedly connected to the mounting plate 2, the top of the mounting plate 2 is fixedly connected to a first grounding line 3, the bottom of the support frame 9 is fixedly connected to a support rod 4, the support rod 4 is provided with six, one side of one of the support rods 4 is fixedly connected to the box 5, one side of the box 5 is fixedly connected to the second grounding line 7, and one end of the box 5 is fixedly connected to the third grounding line 8. The staff first fixes the device on the external building structure, then installs the photovoltaic panel on the device, and installs other external photovoltaic equipment used in conjunction with it into the inside of the box 5. The first The grounding line 3, the second grounding line 7 and the third grounding line 8 are all designed with copper-plated steel bars and pure copper grounding electrodes to reduce the grounding resistance. They have good conductivity and can ensure effective current conduction, thereby improving the efficiency of the grounding system. The photovoltaic panel line is connected to the first grounding line 3 to realize grounding the photovoltaic panel using the first grounding line 3. Other photovoltaic equipment can also be connected to the second grounding line 7, and the second grounding line 7 is used to ground other photovoltaic equipment. The third grounding line 8 is a backup line. When other grounding requirements are required, the third grounding line 8 is connected for grounding and lightning protection. By setting up multiple grounding lines, more effective grounding protection can be provided according to the characteristics of each device.

[0019] Reference Figure 1 The top of the mounting plate 2 inside the first grounding line 3 is fixedly connected to a fixing frame 1, and a bolt hole is provided inside the fixing frame 1. The staff connects the external photovoltaic panel structure with the fixing frame 1, and then screws the external fixing bolts between the external photovoltaic panel structure and the fixing frame 1 and connects them with the bolt holes to fix the photovoltaic panel on the top of the fixing frame 1.

[0020] Reference Figure 2 The mounting plate 2 is in an inverted V shape, and the included angle is 160 degrees. The inverted V shape of the mounting plate 2 enables the photovoltaic panel to be installed at an inclined angle, so that it can ensure the reception of light energy.

[0021] Reference Figure 1 A door 6 is movably installed on the surface of the box body 5, and a handle 601 is fixedly connected to the surface of the door 6. The door 6 can form a protection at the front end of the box body 5. The staff holds the handle 601 and pulls to open the door 6, then sends the external photovoltaic equipment into the interior of the box body 5, and uses the external fixed structure to fix the photovoltaic equipment inside the box body 5.

[0022] Reference Figure 3The support rod 4 is provided with a fixing hole 401 inside, and there are three groups of fixing holes 401. The support rod 4 is connected to the external wall structure, and then the external fixing bolts are screwed between the support rod 4 and the part structure and pass through the fixing holes 401, so that the device can be fixedly installed on the external structure.

[0023] The implementation principle of a lightning protection device for photovoltaic panels in an embodiment of the present application is as follows: first, the device is fixedly installed on an external building structure, and then the photovoltaic panel is installed on the device, and the first grounding line 3, the second grounding line 7 and the third grounding line 8 are buried, that is, connected to the ground, and other external photovoltaic equipment used in conjunction is installed inside the box 5, and the photovoltaic panel line is connected to the first grounding line 3. The first grounding line 3 connects the photovoltaic panel line to the ground, and the photovoltaic panel is grounded using the first grounding line 3. Other photovoltaic equipment can also be connected to the second grounding line 7. The second grounding line 7 grounds the lines of other photovoltaic equipment, and the second grounding line 7 is used to ground other photovoltaic equipment. The third grounding line 8 is a backup line. When other grounding requirements are required, the third grounding line 8 is connected for grounding and lightning protection.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0025] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0026] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0027] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A lightning protection device for a photovoltaic panel, comprising a mounting plate (2), a box (5) and a support frame (9), characterized in that: The top of the support frame (9) is fixedly connected to a connecting frame (10), the top of the connecting frame (10) is fixedly connected to a mounting plate (2), the top of the mounting plate (2) is fixedly connected to a first grounding line (3), the bottom of the support frame (9) is fixedly connected to a support rod (4), six support rods (4) are provided, one side of one of the support rods (4) is fixedly connected to a box (5), one side of the box (5) is fixedly connected to a second grounding line (7), and one end of the box (5) is fixedly connected to a third grounding line (8).

2. A lightning protection device for photovoltaic panels according to claim 1, characterized in that: A fixing frame (1) is fixedly connected to the top of the mounting plate (2) inside the first grounding circuit (3), and a bolt hole is provided inside the fixing frame (1).

3. A lightning protection device for photovoltaic panels according to claim 1, characterized in that: The mounting plate (2) is in an inverted V shape, and the included angle is 160°.

4. A lightning protection device for photovoltaic panels according to claim 1, characterized in that: A box door (6) is movably mounted on the surface of the box body (5), and a handle (601) is fixedly connected to the surface of the box door (6).

5. The photovoltaic panel lightning protection device according to claim 1, characterized in that: The support rod (4) is provided with fixing holes (401) inside, and the fixing holes (401) are provided in three groups.

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