Anti-PID photovoltaic module

Abstract

The utility model relates to the technical field of photovoltaic modules, in particular to an anti-PID (potential induced degradation) photovoltaic module, which comprises a bottom plate and a battery panel, a packaging frame is arranged on the battery panel, anti-PID isolating layers are arranged on the packaging frame and the bottom plate, a fixing mechanism is arranged between the packaging frame and the bottom plate, and the PID isolating layers are arranged on the packaging frame and the bottom plate. The fixing mechanism comprises a fixing box and a fixing groove, the fixing box is installed on the packaging frame, the fixing groove is formed in one side of the bottom plate and communicates with the top end of the bottom plate, an inclined groove is formed in one end of the fixing groove, an adjusting groove is formed in the fixing box, and the adjusting groove is communicated with the inclined groove. The bottom plate and the packaging frame are respectively provided with an anti-PID isolation layer, and the design can effectively isolate the potential difference between the bottom plate and the packaging frame as well as the cell panel, thereby greatly reducing the probability of occurrence of potential-induced degradation of a PID phenomenon, prolonging the service life of the cell panel, and improving the power generation efficiency of the cell panel.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic components, in particular to an anti-PID photovoltaic component. Background Art

[0002] As we all know, solar energy is a renewable, emerging energy source that is not restricted by geographical resources and is slowly being widely used. Solar photovoltaic modules are the core components of solar power generation systems. They can convert solar energy into electrical energy using the photovoltaic principle. The higher the conversion efficiency of solar modules, the greater the power generation per unit area. As the core component of solar power generation, the performance of photovoltaic modules directly affects the power generation efficiency and stability of the entire system. However, in actual use, photovoltaic modules are often affected by potential induced decay (PID), resulting in a decrease in module performance or even damage. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an anti-PID photovoltaic assembly, including a base plate and a battery panel, a packaging frame is provided on the battery panel, an anti-PID isolation layer is provided on the packaging frame and the base plate, a fixing mechanism is provided between the packaging frame and the base plate, the fixing mechanism includes a fixing box and a fixing groove, the fixing box is installed on the packaging frame, the fixing groove is provided on one side of the base plate, the fixing groove is connected to the top of the base plate, an oblique groove is provided at one end of the fixing groove, an adjustment groove is provided inside the fixing box, the adjustment groove is connected to one side of the inner wall of the packaging frame, a threaded hole is provided between one end of the fixing box and the adjustment groove, a threaded column is provided on the threaded hole, a bearing is provided on the threaded column, an adjustment plate is provided between the bearing and the adjustment groove, an oblique plate is provided at one end of the adjustment plate, a guide mechanism is provided between the adjustment plate and the adjustment groove, a shielding layer is provided on the adjustment plate and the fixing groove, two fixing mechanisms are provided and are symmetrically arranged, and a mounting mechanism is provided on the base plate.

[0004] The utility model discloses an anti-PID photovoltaic assembly, wherein the mounting mechanism comprises a mounting plate, wherein the mounting plate is mounted around the bottom of the base plate, and the mounting plate is provided with mounting holes, wherein a plurality of mounting holes are provided.

[0005] The utility model provides an anti-PID photovoltaic assembly, wherein the guide mechanism comprises a guide groove and a guide block, wherein the guide groove is arranged on one side of the adjustment plate, the guide block is installed on one side of the adjustment groove, and the guide block passes through the guide groove.

[0006] The utility model provides an anti-PID photovoltaic assembly, wherein two guide mechanisms are provided and are symmetrically arranged.

[0007] The utility model provides an anti-PID photovoltaic component, wherein the anti-PID isolation layer is made of ceramic material.

[0008] The utility model provides an anti-PID photovoltaic assembly, wherein sealing strips are arranged around the top of the bottom plate.

[0009] The utility model provides an anti-PID photovoltaic assembly, wherein the sealing strip is an insulating sealing strip.

[0010] The utility model discloses an anti-PID photovoltaic assembly. The threaded column is provided with a screw block. The screw block is provided with anti-slip strips in a ring array.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the bottom plate and the packaging frame are both provided with an anti-PID isolation layer, which can effectively isolate the potential difference between the bottom plate, the packaging frame and the solar panel, greatly reducing the probability of PID phenomenon potential induced attenuation, thereby improving the service life and power generation efficiency of the solar panel;

[0012] The fixing mechanism uses threaded columns and threaded holes, and realizes linear movement of the adjustment plate without rotation through bearings and guide mechanisms, so that the staff can easily control the pressure of the inclined plate on the base plate by rotating the threaded column, thereby realizing rapid installation and convenient disassembly of the base plate, which facilitates the maintenance and inspection of the solar panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0015] Figure 3 It is a front view half-section diagram of the structure of the utility model;

[0016] Figure 4 This utility model Figure 2 The enlarged structure of the middle fixed box is a left half-section view;

[0017] 1. Bottom plate; 2. Battery panel; 3. Packaging frame; 4. Anti-PID isolation layer; 5. Fixing box; 6. Fixing groove; 7. Threaded column; 8. Bearing; 9. Adjustment plate; 10. Inclined plate; 11. Mounting plate; 12. Guide block. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] like Figures 1 to 4 As shown, a PID-resistant photovoltaic assembly of the utility model comprises a bottom plate 1 and a battery panel 2, wherein a packaging frame 3 is provided on the battery panel 2, and an anti-PID isolation layer 4 is provided on the packaging frame 3 and the bottom plate 1, and a fixing mechanism is provided between the packaging frame 3 and the bottom plate 1, wherein the fixing mechanism comprises a fixing box 5 and a fixing groove 6, wherein the fixing box 5 is installed on the packaging frame 3, and the fixing groove 6 is provided on one side of the bottom plate 1, wherein the fixing groove 6 is connected to the top of the bottom plate 1, and an oblique groove is provided at one end of the ... the bottom plate 1. An adjustment groove is provided inside the fixed box 5, and the adjustment groove is connected to one side of the inner wall of the packaging frame 3. A threaded hole is provided between one end of the fixed box 5 and the adjustment groove, and a threaded column 7 is provided on the threaded hole. A bearing 8 is provided on the threaded column 7. An adjustment plate 9 is provided between the bearing 8 and the adjustment groove, and an inclined plate 10 is provided at one end of the adjustment plate 9. A guide mechanism is provided between the adjustment plate 9 and the adjustment groove, and a shielding layer is provided on the adjustment plate 9 and the fixed groove 6. The fixing mechanism is provided with two and symmetrically arranged. An installation mechanism is provided. In this embodiment, an anti-PID isolation layer 4 is provided on the bottom plate 1 and the packaging frame 3. This design can effectively isolate the potential difference between the bottom plate 1, the packaging frame 3 and the battery panel 2, greatly reducing the probability of the occurrence of potential induced attenuation of the PID phenomenon, thereby improving the service life and power generation efficiency of the battery panel 2. The anti-PID isolation layer 4 can not only prevent the PID phenomenon, but also play an excellent insulation role, avoiding the leakage current problem caused by the potential difference between different components, and further improving the safety and stability of the photovoltaic module; the fixing mechanism adopts a threaded column 7 to cooperate with the threaded hole, and realizes the linear movement of the adjustment plate 9 without rotation through the bearing 8 and the guide mechanism, so that the staff can easily rotate the threaded column 7 to accurately control the pressure of the inclined plate 10 on the bottom plate 1, thereby realizing the rapid installation and convenient disassembly of the bottom plate 1, facilitating the maintenance and inspection of the battery panel 2, and by symmetrically arranging two fixing mechanisms on both sides of the packaging frame 3, it is ensured that the assembly between the bottom plate 1 and the packaging frame 3 is more stable and reliable, and no matter what working conditions are, the balanced force and long-term durability of the packaging structure of the battery panel 2 can be guaranteed.

[0020] The utility model discloses an anti-PID photovoltaic module, wherein the mounting mechanism comprises a mounting plate 11, wherein the mounting plate 11 is mounted around the bottom of the base plate 1, wherein the mounting plate 11 is provided with mounting holes, wherein a plurality of mounting holes are provided, and the base plate 1 is assembled on a mounting frame of the photovoltaic module through the mounting holes on the mounting plate 11, thereby fixing the structure on the mounting frame.

[0021] The utility model provides an anti-PID photovoltaic assembly, wherein the guide mechanism comprises a guide groove and a guide block 12, wherein the guide groove is provided on one side of the adjusting plate 9, and the guide block 12 is installed on one side of the adjusting groove, and the guide block 12 passes through the guide groove. When the adjusting plate 9 moves in the adjusting groove, the guide block 12 passes through the guide groove, so that the adjusting plate 9 can stably move in a straight line in the adjusting groove.

[0022] The utility model provides an anti-PID photovoltaic assembly, wherein two guide mechanisms are symmetrically arranged, and the two symmetrically arranged guide mechanisms can make the linear movement of the adjustment plate 9 more stable, and provide auxiliary support for the adjustment plate 9, so that the adjustment plate 9 can be more firmly and reliably rest on the inclined groove.

[0023] The utility model provides an anti-PID photovoltaic component, wherein the anti-PID isolation layer 4 is made of ceramic material, which has good insulation performance and resistance to potential induced attenuation, and can effectively isolate the potential difference between the bottom plate 1 and the packaging frame 3 and the solar panel 2 to prevent the occurrence of PID phenomenon.

[0024] In the utility model, an anti-PID photovoltaic assembly is provided with sealing strips around the top of the bottom plate 1, and the sealing strips can improve the sealing performance between the bottom plate 1 and the packaging frame 3.

[0025] In the utility model, an anti-PID photovoltaic assembly is provided, wherein the sealing strip is an insulating sealing strip, and the insulation between the bottom plate 1 and the packaging frame 3 can be further improved through the insulating effect of the insulating sealing strip.

[0026] The utility model discloses an anti-PID photovoltaic component, wherein a screw block is provided on the threaded column 7, and anti-skid strips are provided on the screw block and arranged in a circular array. The threaded column 7 can be rotated conveniently by holding the screw block, and the anti-skid strips and the circular array arrangement on the screw block can improve the anti-skid performance of the screw block, thereby reducing the possibility of hand slippage when people use the screw block.

[0027] The utility model provides an anti-PID photovoltaic assembly. When working, the solar panel 2 is assembled through the packaging frame 3, and then the bottom plate 1 is pressed against the bottom of the packaging frame 3, so that the packaging frame 3 seals the solar panel 2. At this time, the adjustment plate 9 is just located in the fixing groove 6 opened in the bottom plate 1, and then the threaded column 7 of the fixing box 5 in the rotating fixing mechanism is rotated and moved in the threaded hole. The adjustment plate 9 can follow the threaded column 7 through the bearing 8 and the guide mechanism, but does not follow the rotation angle of the threaded column 7. The adjustment plate 9 drives the inclined plate 10 to move, and the inclined plate 10 contacts and presses against the inclined groove opened at one end of the fixing groove 6. The bottom plate 1 is more firmly mounted on the packaging frame 3 by two symmetrically arranged fixing mechanisms, and the bottom plate 1 can be stably and reliably mounted on the packaging frame 3. The threaded column 7 is rotated in the opposite direction so that the inclined plate 10 leaves the inclined groove, so that the bottom plate 1 can be removed, which is convenient for maintenance and repair of the battery panel 2. The anti-PID isolation layer 4 on the bottom plate 1 and the packaging frame 3 can provide the bottom plate 1 and the packaging frame 3 with excellent insulation performance and resistance to potential induced attenuation, and can effectively isolate the potential difference between the bottom plate 1 and the packaging frame 3 and the battery panel 2, thereby preventing the occurrence of PID phenomenon.

[0028] The utility model provides an anti-PID photovoltaic component, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; technicians in this industry only need to install and operate it according to the accompanying instruction manual.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A PID-resistant photovoltaic module, comprising a base plate (1) and a solar panel (2), characterized in that: The solar panel (2) is provided with a packaging frame (3), and the packaging frame (3) and the bottom plate (1) are both provided with an anti-PID isolation layer (4). A fixing mechanism is provided between the packaging frame (3) and the bottom plate (1), and the fixing mechanism comprises a fixing box (5) and a fixing groove (6). The fixing box (5) is installed on the packaging frame (3), and the fixing groove (6) is provided on one side of the bottom plate (1). The fixing groove (6) is connected to the top of the bottom plate (1), and an oblique groove is provided at one end of the fixing groove (6). An adjusting groove is provided inside the fixing box (5), and the adjusting groove is provided at the bottom plate (1). The node groove is connected to one side of the inner wall of the packaging frame (3); a threaded hole is provided between one end of the fixing box (5) and the adjusting groove; a threaded column (7) is provided on the threaded hole; a bearing (8) is provided on the threaded column (7); an adjusting plate (9) is provided between the bearing (8) and the adjusting groove; an inclined plate (10) is provided at one end of the adjusting plate (9); a guiding mechanism is provided between the adjusting plate (9) and the adjusting groove; a shielding layer is provided on the adjusting plate (9) and the fixing groove (6); two fixing mechanisms are provided and are symmetrically arranged; and a mounting mechanism is provided on the bottom plate (1).

2. The anti-PID photovoltaic module according to claim 1, characterized in that: The mounting mechanism comprises a mounting plate (11), wherein the mounting plate (11) is mounted around the bottom of the base plate (1), and the mounting plate (11) is provided with a mounting hole, wherein a plurality of mounting holes are provided.

3. The PID-resistant photovoltaic module according to claim 2, characterized in that: The guide mechanism comprises a guide groove and a guide block (12); the guide groove is opened on one side of the adjustment plate (9); the guide block (12) is installed on one side of the adjustment groove; and the guide block (12) passes through the guide groove.

4. The anti-PID photovoltaic module according to claim 3, characterized in that: The guide mechanisms are provided with two and are symmetrically arranged.

5. The PID-resistant photovoltaic module according to claim 4, characterized in that: The anti-PID isolation layer (4) is made of ceramic material.

6. The anti-PID photovoltaic module according to claim 5, characterized in that: Sealing strips are arranged around the top of the bottom plate (1).

7. The anti-PID photovoltaic module according to claim 6, characterized in that: The sealing strip is an insulating sealing strip.

8. The anti-PID photovoltaic module according to claim 7, characterized in that: The threaded column (7) is provided with a screw block, and the screw block is provided with anti-slip strips arranged in a ring array.

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