Grounding connection structure of photovoltaic panel
By using a combination of grounding clamps and auxiliary mechanisms in the photovoltaic panel grounding connection structure, the problems of rusted and loose nuts were solved, thus improving the stability of the photovoltaic panel grounding connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-14
AI Technical Summary
In existing photovoltaic panel grounding connection structures, nuts are easily corroded and rusted by rainwater or loosened by external vibrations, affecting the safety of photovoltaic panel use.
The design incorporates a grounding clamp and auxiliary mechanism on the frame, including a combination of a first cylinder, a second cylinder, a first frame, a second frame, anti-slip pads, and connecting blocks. These components protect and limit the ends of the fastening nuts and bolts, preventing them from loosening.
This improves the stability of the photovoltaic panel grounding connection, prevents nuts from rusting and loosening, and enhances installation stability.
Smart Images

Figure CN224123535U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic panel grounding connection, and in particular to a grounding connection structure for photovoltaic panels. Background Technology
[0002] Photovoltaic panels typically refer to a special type of solar panel that uses the photovoltaic effect to convert solar energy. When installing photovoltaic panels, grounding is usually required, which necessitates the use of a grounding connection structure.
[0003] The existing photovoltaic panel grounding connection structure typically includes a grounding wire, a grounding clamp, a grounding bolt, and a nut. The two ends of the grounding wire are located on two grounding clamps, which are connected to the photovoltaic panel frame. The grounding bolt is inserted into the grounding clamp and the photovoltaic panel frame, and the nut locks the grounding bolt to achieve the grounding operation.
[0004] However, after installation, nuts are usually not easy to prevent from coming loose or being protected from rain. As a result, nuts may be corroded and rusted by rainwater and become unable to turn, or nuts may loosen due to external vibrations, affecting the safety of photovoltaic panels. Utility Model Content
[0005] The purpose of this invention is to provide a grounding connection structure for photovoltaic panels to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a grounding connection structure for a photovoltaic panel, comprising:
[0007] The frame has a grounding clamp on its side, a fixed end on the grounding clamp, and a grounding bolt inserted into the fixed end and the frame. A fastening nut is threaded through the outer wall of the grounding bolt.
[0008] A grounding wire is located at the bottom of the grounding clamp, and both ends of the grounding wire are provided with terminals;
[0009] A fastening bolt, the fastening bolt being threadedly inserted into the side of the grounding clamp, the end of the fastening bolt being in contact with the terminal;
[0010] An auxiliary mechanism, located on the frame, is used to shield and protect the ends of the fastening nuts and bolts.
[0011] Preferably, it also includes an anti-slip pad, which is slidably fitted onto the outside of the grounding bolt. The anti-slip pad has a toothed surface on its side, and the toothed surface fits into the frame.
[0012] Preferably, the auxiliary mechanism includes:
[0013] A first cylindrical body, which is fitted over the outside of the fastening nut;
[0014] The second cylinder is fitted over the end of the fastening bolt;
[0015] The first frame is fixedly connected to the side of the first cylinder;
[0016] The second frame is fixedly connected to the side of the second cylinder.
[0017] Preferably, the auxiliary mechanism further includes:
[0018] A positioning element, which is located on the second frame;
[0019] A limiting member is located on the side of the second frame, and the limiting member is used to lock the relative position of the first frame and the second frame.
[0020] Preferably, the positioning element includes:
[0021] A connecting plate, which is fixedly connected to the side of the first frame;
[0022] The positioning groove is formed on the side of the second frame, and the connecting plate is slidably inserted into the inner cavity of the positioning groove.
[0023] Preferably, the limiting member includes:
[0024] An arc-shaped plate is fixedly connected to the side of the second frame.
[0025] A support plate, which is fixedly connected to the side of the arc-shaped plate;
[0026] A connecting block is fixedly connected to the side of the support plate. A limiting groove is provided on the other side of the first frame. The connecting block is slidably inserted into the inner cavity of the limiting groove.
[0027] The technical effects and advantages of this utility model are as follows:
[0028] This invention utilizes the cooperation of a first cylinder, a second cylinder, a first frame, a second frame, anti-slip pads, and a connecting block. The first and second cylinders respectively shield and protect the ends of the fastening nuts and bolts, and limit their movement to prevent them from coming loose. The connecting plate connects and positions the first and second frames. The connecting block and the support plate limit the relative positions of the first and second frames. The anti-slip pads limit and protect the position of the fastening nuts. This facilitates the shielding and protection of the ends of the fastening nuts and bolts of the photovoltaic panel, preventing them from rusting or loosening, and improving the stability of the grounding frame installation. Attached Figure Description
[0029] Figure 1 This is a top view diagram of the structure of this utility model.
[0030] Figure 2 This is a top sectional view of the first cylindrical section of the present invention.
[0031] Figure 3 This is a schematic diagram of the structure of the first frame of this utility model.
[0032] In the diagram: 1. Frame; 2. Grounding clamp; 3. Grounding wire; 4. Terminal; 5. Fastening bolt; 6. Fixing end; 7. Auxiliary mechanism; 71. First cylinder; 72. Second cylinder; 73. First frame; 74. Second frame; 75. Connecting plate; 76. Arc plate; 77. Support plate; 78. Connecting block; 8. Grounding bolt; 9. Fastening nut; 10. Anti-slip pad. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] This utility model provides, for example Figure 1-3 The diagram shows a grounding connection structure for a photovoltaic panel.
[0035] Example 1
[0036] The device includes a frame 1, a grounding wire 3, fastening bolts 5, and an auxiliary mechanism 7. The fastening bolts 5 are used to lock and fix the terminal 4 to connect and fix the grounding wire 3 to the grounding clamp 2. The side of the frame 1 is provided with a grounding clamp 2, which has a fixed end 6 to facilitate the installation of the grounding wire 3 on the grounding clamp 2. The fixed end 6 and the frame 1 are connected to grounding bolts 8, which facilitate the insertion of the grounding clamp 2 into the frame 1, making it easy to install the grounding clamp 2 and also facilitate the grounding operation of the photovoltaic panel. The outer wall of the grounding bolt 8 is threaded with a fastening nut 9, which cooperates with the grounding bolt 8 to install and fix the grounding clamp 2. The grounding wire 3 is located at the bottom of the grounding clamp 2, and both ends of the grounding wire 3 are provided with terminal 4. The fastening bolts 5 are threaded and connected to the side of the grounding clamp 2, and the ends of the fastening bolts 5 are in contact with the terminal 4. The auxiliary mechanism 7 is located on the frame 1 and is used to shield and protect the ends of the fastening nuts 9 and the fastening bolts 5.
[0037] Furthermore, it also includes an anti-slip pad 10, which is beneficial for tightening and preventing slippage of the fastening nut 9. The anti-slip pad 10 is slidably sleeved on the outside of the grounding bolt 8. The side of the anti-slip pad 10 is provided with a toothed surface, which fits against the frame 1.
[0038] Furthermore, the auxiliary mechanism 7 includes a first cylinder 71, a second cylinder 72, a first frame 73, and a second frame 74. The first cylinder 71 is beneficial for covering and protecting the fastening nut 9, preventing the fastening nut 9 from being corroded by rainwater and from loosening, and facilitating the subsequent tightening of the fastening nut 9. The second cylinder 72 is beneficial for covering and protecting the end of the fastening bolt 5, facilitating rust prevention and anti-loosening protection of the end of the fastening bolt 5, thereby increasing the stability of the grounding wire 3 installation. The first frame 73 is L-shaped, which is beneficial for supporting the first cylinder 71. The second frame 74 is L-shaped, which is beneficial for supporting the second cylinder 72. The first frame 73 and the second frame 74 are beneficial for connecting the first cylinder 71 and the second cylinder 72 in series. The first cylinder 71 is covered on the outside of the fastening nut 9, and the second cylinder 72 is covered on the end of the fastening bolt 5. The first frame 73 is fixedly connected to the side of the first cylinder 71, and the second frame 74 is fixedly connected to the side of the second cylinder 72.
[0039] Furthermore, the auxiliary mechanism 7 also includes a positioning element and a limiting element. The positioning element is located on the second frame 74, and the limiting element is located on the side of the second frame 74. The limiting element is used to lock the relative position of the first frame 73 and the second frame 74.
[0040] Specifically, the positioning component includes a connecting plate 75 and a positioning groove. The connecting plate 75 facilitates the positioning connection between the first frame 73 and the second frame 74. The connecting plate 75 is fixedly connected to the side of the first frame 73, and the positioning groove is opened on the side of the second frame 74. The connecting plate 75 and the inner cavity of the positioning groove are slidably inserted into each other.
[0041] Example 2
[0042] Based on Embodiment 1, the limiting component includes an arc-shaped plate 76, a support plate 77, and a connecting block 78. The arc-shaped plate 76 is made of elastic material, which is conducive to deformation operation. The support plate 77 is conducive to supporting the connecting block 78 and driving the connecting block 78 to move. The connecting block 78 cooperates with the support plate 77 and the arc-shaped plate 76 to connect and fix the first frame 73 and the second frame 74, which facilitates the series fixation of the first frame 73 and the second frame 74. The arc-shaped plate 76 is fixedly connected to the side of the second frame 74, the support plate 77 is fixedly connected to the side of the arc-shaped plate 76, and the connecting block 78 is fixedly connected to the side of the support plate 77. A limiting groove is opened on the other side of the first frame 73, and the connecting block 78 is slidably inserted into the inner cavity of the limiting groove.
[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A grounding connection structure for a photovoltaic panel, characterized in that, include: A frame (1) is provided with a grounding clamp (2) on its side. The grounding clamp (2) is provided with a fixed end (6). A grounding bolt (8) is inserted into the fixed end (6) and the frame (1). A fastening nut (9) is threaded through the outer wall of the grounding bolt (8). Grounding wire (3), the grounding wire (3) is located at the bottom of the grounding clamp (2), and both ends of the grounding wire (3) are provided with terminals (4); Fastening bolt (5), the fastening bolt (5) is threadedly inserted into the side of the grounding clamp (2), and the end of the fastening bolt (5) is in contact with the terminal (4); An auxiliary mechanism (7) is located on the frame (1) and is used to shield and protect the ends of the fastening nut (9) and the fastening bolt (5).
2. The grounding connection structure of a photovoltaic panel according to claim 1, characterized in that, It also includes an anti-slip pad (10), which is slidably sleeved on the outside of the grounding bolt (8). The anti-slip pad (10) has a toothed surface on its side, which is in contact with the frame (1).
3. The grounding connection structure of a photovoltaic panel according to claim 1, characterized in that, The auxiliary mechanism (7) includes: The first cylindrical body (71) is covered outside the fastening nut (9); The second cylinder (72) is fitted over the end of the fastening bolt (5); The first frame (73) is fixedly connected to the side of the first cylinder (71); The second frame (74) is fixedly connected to the side of the second cylinder (72).
4. The grounding connection structure of a photovoltaic panel according to claim 3, characterized in that, The auxiliary mechanism (7) also includes: A positioning element, which is located on the second frame (74); A limiting member is located on the side of the second frame (74) and is used to lock the relative positions of the first frame (73) and the second frame (74).
5. The grounding connection structure of a photovoltaic panel according to claim 4, characterized in that, The positioning element includes: A connecting plate (75) is fixedly connected to the side of the first frame (73); The positioning groove is located on the side of the second frame (74), and the connecting plate (75) is slidably inserted into the inner cavity of the positioning groove.
6. The grounding connection structure of a photovoltaic panel according to claim 4, characterized in that, The limiting component includes: An arc-shaped plate (76) is fixedly connected to the side of the second frame (74); A support plate (77) is fixedly connected to the side of the arc-shaped plate (76); A connecting block (78) is fixedly connected to the side of the support plate (77). A limiting groove is provided on the other side of the first frame (73). The connecting block (78) is slidably inserted into the inner cavity of the limiting groove.