Photovoltaic module connector protection device suitable for high-temperature and high-humidity environment

Abstract

The utility model relates to the technical field of photovoltaic modules, in particular to a photovoltaic module connector protection device suitable for a high-temperature and high-humidity environment, which comprises a photovoltaic panel, a first connecting clamp arranged on one side of the photovoltaic panel, a protection box arranged at the bottom end of the first connecting clamp, a photovoltaic wiring terminal arranged on the inner side of the protection box, and a support arranged at the bottom end of the photovoltaic wiring terminal. A cross-shaped groove is formed in the surface of the protection box, an arc-shaped groove is formed in the inner wall of the cross-shaped groove, a supporting groove is formed in the top end of the support, and one end of the photovoltaic wiring terminal penetrates through the arc-shaped groove and the supporting groove and is located outside the protection box; the protection box and the cover plate are arranged to cover the photovoltaic wiring terminal, the photovoltaic wiring terminal is lifted, short circuit ignition caused by contact between the photovoltaic wiring terminal and the water surface and the roof is avoided, then the two ends of the photovoltaic wiring terminal are fixed through the support, pulling loosening is prevented, and finally through the rubber layer on the inner wall of the cross-shaped groove, the photovoltaic wiring terminal is prevented from being damaged. The arc-shaped groove and the semicircular rubber ring on the surface of the bracket are sealed to prevent water vapor from invading to cause short circuit, so that the safety performance is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic components, in particular to a photovoltaic component connector protection device suitable for high temperature and high humidity environments. Background Art

[0002] Photovoltaic panels are a type of power generation device that generates direct current when exposed to sunlight. They are made up of thin solid photovoltaic cells made almost entirely of semiconductor materials, such as silicon. Since there are no moving parts, they can operate for long periods of time without causing any loss. Photovoltaic panels can be made into different shapes, and the components can be connected to generate more electricity. However, there are still some problems with existing photovoltaic panels;

[0003] The existing photovoltaic terminals lack protection. After connection, the photovoltaic terminals hang below the photovoltaic panels. When the photovoltaic panels are installed on the metal roof, the photovoltaic terminals are in contact with the metal roof. Aging or connection problems may easily cause arcs, which may easily ignite the coating of the metal roof and cause property losses. When the photovoltaic panels are installed on the lake, the photovoltaic terminals hang on the lake surface and are easily invaded by water vapor, causing short-circuit damage. For this reason, we propose a photovoltaic module connector protection device suitable for high temperature and high humidity environments. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a photovoltaic module connector protection device suitable for high temperature and high humidity environments, which covers the photovoltaic terminal blocks by setting a protection box and a cover plate, raises the photovoltaic terminal blocks to prevent the photovoltaic terminal blocks from contacting the water surface and the roof and causing a short circuit and ignition, and then fixes the two ends of the photovoltaic terminal blocks by a bracket to prevent them from being pulled loose, and finally seals are performed by the rubber layer on the inner wall of the cross groove and the semicircular rubber ring on the surface of the arc groove and the bracket to prevent water vapor from invading and causing a short circuit, thereby greatly improving the safety performance.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a photovoltaic component connector protection device suitable for high temperature and high humidity environment, comprising a photovoltaic panel, a first connecting clip is arranged on one side of the photovoltaic panel, a protection box is arranged at the bottom end of the first connecting clip, a photovoltaic terminal is arranged inside the protection box, a bracket is arranged at the bottom end of the photovoltaic terminal, a cross groove is arranged on the surface of the protection box, an arc groove is arranged on the inner wall of the cross groove, a bracket is arranged on the top end of the bracket, one end of the photovoltaic terminal passes through the arc groove and the bracket and is located on the outside of the protection box, a cover plate is fixedly connected to the bottom end of the bracket, a card slot is arranged on the rear side surface of the cover plate, a slide slot is arranged on the surface of the protection box, a card block is arranged on the rear surface of the protection box, one end of the card block passes through the slide slot and is located inside the card slot, and a spring is sleeved on the surface of the card block.

[0006] Preferably, a second connecting clip is provided at the top of the first connecting clip, a screw is threaded at the connection between the first connecting clip and the second connecting clip, a rubber strip is provided at the top of the screw, a clip is fixedly connected to the top of the second connecting clip, and a thin tube groove is opened at the bottom of the clip.

[0007] Preferably, a water groove is provided at the top end of the rubber strip, and a screw groove is provided at the bottom end of the rubber strip.

[0008] Preferably, the top of the protection box is located inside the first connecting clip, a groove is provided on one side surface of the top of the protection box, an elastic limit block is fixedly connected to the inside of the first connecting clip, and one end of the elastic limit block is located inside the groove.

[0009] Preferably, a rubber layer is fixedly connected to the inner wall of the cross groove, a semicircular rubber ring is fixedly connected to the surface of the bracket, a semicircular rubber ring is fixedly connected to the surface of the arc groove, and a rubber film is sleeved on the surface of the cover plate.

[0010] Preferably, a pull ring is provided at the bottom end of the cover plate, and a surface of the pull ring is provided with diagonal lines.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. The photovoltaic terminals are covered by a protective box and a cover plate, and the photovoltaic terminals are raised to prevent the photovoltaic terminals from contacting the water surface or the roof and causing a short circuit and ignition. The two ends of the photovoltaic terminals are fixed by a bracket to prevent them from being pulled loose. Finally, the rubber layer on the inner wall of the cross groove and the semicircular rubber ring on the surface of the arc groove and the bracket are sealed to prevent water vapor from invading and causing a short circuit, thereby greatly improving safety performance.

[0013] 2. By setting up the clips, the accumulated water at the frame of the photovoltaic panel can be discharged in time to avoid the influence of the accumulated water on the power generation efficiency of the photovoltaic panel. The rubber strips protect the screws from oxidation and facilitate drainage. The installation is simple and the work efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0015] Figure 2 This is a side structural schematic diagram of the protection box of the utility model;

[0016] Figure 3 It is a schematic diagram of the side cross-sectional structure of the protection box of the utility model;

[0017] Figure 4 It is a schematic diagram of the top cross-sectional structure of the utility model;

[0018] Among them: 1. Photovoltaic panel; 2. First connecting clip; 3. Protection box; 4. Photovoltaic terminal; 5. Cover plate; 6. Bracket; 7. Arc groove; 8. Bracket; 9. Cross groove; 10. Card slot; 11. Slide slot; 12. Spring; 13. Card block; 14. Elastic limit block; 15. Water tank; 16. Second connecting clip; 17. Screw; 18. Rubber strip; 19. Clip; 20. Thin tube groove. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the utility model. The experimental methods in the following embodiments are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments are all commercially available unless otherwise specified.

[0020] Embodiment:

[0021] like Figure 1-Figure 4 As shown, a photovoltaic assembly connector protection device suitable for high temperature and high humidity environment includes a photovoltaic panel 1, a first connecting clip 2 is arranged on one side of the photovoltaic panel 1, a protection box 3 is arranged at the bottom end of the first connecting clip 2, a photovoltaic terminal 4 is arranged inside the protection box 3, a bracket 6 is arranged at the bottom end of the photovoltaic terminal 4, a cross groove 9 is opened on the surface of the protection box 3, an arc groove 7 is opened on the inner wall of the cross groove 9, a bracket 8 is opened on the top of the bracket 6, one end of the photovoltaic terminal 4 passes through the arc groove 7 and the bracket 8 and is located outside the protection box 3, a cover plate 5 is fixedly connected to the bottom end of the bracket 6, a card slot 10 is opened on the rear side surface of the cover plate 5, a slide groove 11 is opened on the surface of the protection box 3, a card block 13 is arranged on the rear surface of the protection box 3, one end of the card block 13 passes through the slide groove 11 and is located inside the card slot 10, and a spring 12 is sleeved on the surface of the card block 13;

[0022] The existing photovoltaic terminals 4 lack protection. After connection, the photovoltaic terminals 4 hang below the photovoltaic panel 1. When the photovoltaic panel 1 is installed on the metal roof, the photovoltaic terminals 4 contact the metal roof. Aging or connection problems may easily cause electric arcs, which may easily ignite the coating of the metal roof and cause property damage. When the photovoltaic panel 1 is installed on the lake, the photovoltaic terminals 4 hang on the lake surface and are also prone to water vapor intrusion, resulting in short circuit damage. By setting up a protection box 3, during installation, the two ends of the photovoltaic terminals 4 are placed on the inner side of the bracket 8 of the bracket 6, and then the cover plate 5 is aligned with the protection box 3 and inserted. The bracket 6 enters the inner side of the cross groove 9 and slides upward. The cover plate 5 pushes the block 13 back to the inner side of the slide groove 11. At this time, the spring 12 is forced to shrink until the photovoltaic terminals 4 are tightly fitted with the arc groove 7 at the top of the cross groove 9, and the cover plate 5 is also After the protective box 3 is completely inserted into the inner side, the spring 12 pushes the card block 13 from the slide groove 11 into the inner side of the card slot 10 to complete the locking. Then the top of the protective box 3 is inserted into the first connecting clip 2. The protective box 3 pushes the elastic limit block 14 back to the inner side of the first connecting clip 2 until the groove is aligned with the elastic limit block 14. Under the action of the elastic force, one end of the elastic limit block 14 enters the inner side of the groove to complete the installation. The photovoltaic terminal 4 is covered by setting the protective box 3 and the cover plate 5, and the photovoltaic terminal 4 is raised to prevent the photovoltaic terminal 4 from contacting the water surface and the roof to cause a short circuit and ignition. The two ends of the photovoltaic terminal 4 are then fixed by the bracket 6 to prevent loosening by pulling. Finally, the rubber layer on the inner wall of the cross groove 9 and the semicircular rubber ring on the surface of the arc groove 7 and the bracket 8 are sealed to prevent water vapor from invading and causing a short circuit, thereby greatly improving the safety performance.

[0023] In other embodiments, the present embodiment discloses, please Figure 1 As shown, a second connecting clip 16 is arranged at the top of the first connecting clip 2, a screw 17 is arranged at the connection between the first connecting clip 2 and the second connecting clip 16, a rubber strip 18 is arranged at the top of the screw 17, a clip 19 is fixedly connected to the top of the second connecting clip 16, and a thin tube groove 20 is opened at the bottom of the clip 19;

[0024] During installation, the second connecting clip 16 is connected to the threaded hole of the first connecting clip 2, and then the screw 17 is tightened, and then the rubber strip 18 is inserted into the inner side of the second connecting clip 16 to cover the screw 17. After tightening the screw 17, the clip 19 firmly clamps the frame of the photovoltaic panel 1. When there is water accumulation in the frame, due to the principle of capillary phenomenon, the water enters the inner side of the water tank 15 through the fine capillary groove 20 and is discharged outward through the water tank 15. By setting the clip 19, the accumulated water at the frame of the photovoltaic panel 1 is discharged in time to avoid the influence of the accumulated water on the power generation efficiency of the photovoltaic panel 1. The rubber strip 18 protects the screw 17 from being oxidized, and at the same time facilitates drainage, is simple to install, and greatly improves work efficiency.

[0025] In other embodiments, the present embodiment discloses, please Figure 1As shown, a water trough 15 is provided at the top of the rubber strip 18, and a screw groove is provided at the bottom of the rubber strip 18; by providing the water trough 15 at the top of the rubber strip 18 and the screw groove at the bottom of the rubber strip 18, drainage is facilitated and the screws 17 are prevented from contacting water and being oxidized, thereby increasing the service life of the screws 17.

[0026] In other embodiments, the present embodiment discloses, please Figure 1 As shown, the top end of the protection box 3 is located on the inner side of the first connecting clip 2, and a groove is provided on the surface of one side of the top end of the protection box 3. An elastic limit block 14 is fixedly connected to the inner side of the first connecting clip 2, and one end of the elastic limit block 14 is located on the inner side of the groove; by setting the top end of the protection box 3 to be located on the inner side of the first connecting clip 2, a groove is provided on the surface of one side of the top end of the protection box 3, and an elastic limit block 14 is fixedly connected to the inner side of the first connecting clip 2, and one end of the elastic limit block 14 is located on the inner side of the groove, it is convenient to disassemble and install the protection box 3.

[0027] In other embodiments, the present embodiment discloses, please Figure 1-Figure 4 As shown, the inner wall of the cross groove 9 is fixedly connected with a rubber layer, the surface of the bracket 8 is fixedly connected with a semicircular rubber ring, the surface of the arc groove 7 is fixedly connected with a semicircular rubber ring, and the surface of the cover plate 5 is covered with a rubber film; by setting the inner wall of the cross groove 9 to be fixedly connected with a rubber layer, the surface of the bracket 8 is fixedly connected with a semicircular rubber ring, the surface of the arc groove 7 is fixedly connected with a semicircular rubber ring, and the surface of the cover plate 5 is covered with a rubber film, the sealing performance is improved to prevent water vapor intrusion.

[0028] In other embodiments, the present embodiment discloses, please Figure 1 As shown, a pull ring is provided at the bottom end of the cover plate 5, and a twill pattern is provided on the surface of the pull ring. By providing a pull ring at the bottom end of the cover plate 5 and a twill pattern is provided on the surface of the pull ring, it is convenient to pull out the cover plate 5 during maintenance.

[0029] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A photovoltaic module connector protection device suitable for high temperature and high humidity environment, comprising a photovoltaic panel (1), characterized in that: A first connection clamp (2) is arranged on one side of the photovoltaic panel (1); a protection box (3) is arranged at the bottom end of the first connection clamp (2); a photovoltaic terminal (4) is arranged inside the protection box (3); a bracket (6) is arranged at the bottom end of the photovoltaic terminal (4); a cross groove (9) is provided on the surface of the protection box (3); an arc groove (7) is provided on the inner wall of the cross groove (9); a bracket (8) is provided on the top end of the bracket (6); and the photovoltaic terminal (4) is provided with a plurality of brackets. The end of the bracket (6) passes through the arc groove (7) and the bracket (8) and is located outside the protection box (3); the bottom end of the bracket (6) is fixedly connected to a cover plate (5); a card slot (10) is provided on the rear surface of the cover plate (5); a slide groove (11) is provided on the surface of the protection box (3); a card block (13) is provided on the rear surface of the protection box (3); one end of the card block (13) passes through the slide groove (11) and is located inside the card slot (10); a spring (12) is sleeved on the surface of the card block (13).

2. A photovoltaic module connector protection device suitable for high temperature and high humidity environment according to claim 1, characterized in that: A second connecting clamp (16) is arranged at the top end of the first connecting clamp (2); a screw (17) is threadedly arranged at the connection between the first connecting clamp (2) and the second connecting clamp (16); a rubber strip (18) is arranged at the top end of the screw (17); a clamping piece (19) is fixedly connected to the top end of the second connecting clamp (16); a thin tube groove (20) is arranged at the bottom end of the clamping piece (19).

3. A photovoltaic module connector protection device suitable for high temperature and high humidity environment according to claim 2, characterized in that: The top end of the rubber strip (18) is provided with a water groove (15), and the bottom end of the rubber strip (18) is provided with a screw groove.

4. The photovoltaic module connector protection device suitable for high temperature and high humidity environment according to claim 1, characterized in that: The top end of the protection box (3) is located inside the first connection clamp (2), a groove is provided on one side surface of the top end of the protection box (3), an elastic limit block (14) is fixedly connected to the inside of the first connection clamp (2), and one end of the elastic limit block (14) is located inside the groove.

5. The photovoltaic module connector protection device suitable for high temperature and high humidity environment according to claim 1, characterized in that: The inner wall of the cross groove (9) is fixedly connected with a rubber layer, the surface of the bracket (8) is fixedly connected with a semicircular rubber ring, the surface of the arc groove (7) is fixedly connected with a semicircular rubber ring, and the surface of the cover plate (5) is sleeved with a rubber film.

6. The photovoltaic module connector protection device suitable for high temperature and high humidity environment according to claim 5, characterized in that: A pull ring is provided at the bottom end of the cover plate (5), and a twill pattern is provided on the surface of the pull ring.

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