Photovoltaic connector cold shrink tube of offshore photovoltaic system

Abstract

The utility model discloses a thermal contraction pipe of a photovoltaic connector of an offshore photovoltaic system, which comprises a thermal contraction pipe body and a supporting piece arranged in the thermal contraction pipe body, the outer side walls of the left part and the right part of the supporting piece are coated with plaster layers, and the outer wall surfaces of the plaster layers are pressed against the inner side walls of the left part and the right part of the thermal contraction pipe body. When the cold shrinkage pipe body is sleeved on the outer wall surface of the photovoltaic connector to realize the tightening, sealing and fixing, the sealing property of the left part and the right part of the cold shrinkage pipe body can be further improved by the daub layer inside the cold shrinkage pipe body.

Description

Technical Field:

[0001] The utility model relates to the technical field of cold-shrinkable tubes, and more specifically to a cold-shrinkable tube for a photovoltaic connector of an offshore photovoltaic system. Background Art:

[0002] As an indispensable component in an offshore photovoltaic system, a photovoltaic connector undertakes important tasks such as collecting electric energy and ensuring smooth current transmission; in terms of its composition, the design of the external protection structure of the photovoltaic connector is crucial to provide reliable electrical connection and mechanical support to ensure the normal operation and safety of the offshore photovoltaic system.

[0003] However, due to the complex working environment of the offshore photovoltaic system, the photovoltaic connector is easily affected by seawater erosion, salt spray, moisture, and extreme climates, resulting in a decline in electrical performance and even short-circuit faults; for existing photovoltaic connectors, they are generally directly exposed or have some conventional protective sleeves externally, and their sealing effect is not ideal. Therefore, some existing methods are to externally set cold-shrinkable tubes to achieve external protection and sealing. However, in the presence of seawater erosion, salt spray, moisture, and extreme climates, after long-term use, moisture and the like are still likely to enter at the ends of the cold-shrinkable tubes, and the sealing effect is limited. Summary of the Utility Model:

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a cold-shrinkable tube for a photovoltaic connector of an offshore photovoltaic system. When the cold-shrinkable tube body is sleeved on the outer wall surface of the photovoltaic connector to achieve shrinkage and tight sealing and fixation, the internal clay layer can further improve the sealing performance of its left and right parts.

[0005] The solution for the utility model to solve the above technical problems is:

[0006] A cold-shrinkable tube for a photovoltaic connector of an offshore photovoltaic system includes a cold-shrinkable tube body and a support member provided inside. The outer side walls of the left and right parts of the support member are coated with a clay layer, and the outer wall surface of the clay layer is pressed against the inner side walls of the left and right parts of the cold-shrinkable tube body.

[0007] A plurality of annular grooves are formed on the inner side wall of the middle part of the cold-shrinkable tube body.

[0008] Both the left end and the rear end of the cold-shrinkable tube body are thickened tube ends, and the wall thickness of the thickened tube ends is greater than the wall thickness of the cold-shrinkable tube body.

[0009] A plurality of raised points are formed on the outer wall surface of the cold-shrinkable tube body. The raised points can improve the strength of the outer wall surface of the cold-shrinkable tube body, so that when scratched by a hard object, it is not easy to extend into the inner wall surface of the cold-shrinkable tube body.

[0010] Both ends of the support member extend out of the left and right ends of the cold-shrinkable tube body.

[0011] The outstanding effects of the present utility model are as follows:

[0012] 1. When the cold shrinkable tube body is sleeved on the outer wall surface of the photovoltaic connector to achieve tightening and sealing fixation, the clay layer inside it can further improve the sealing performance of its left and right parts.

[0013] 2. Both the left end and the rear end of the cold shrinkable tube body are thickened tube ends, which increase the tightening force at both ends. The compression effect is higher than that of the middle part of the cold shrinkable tube body, thereby improving the sealing effect at both ends and preventing the clay layer from being extruded from both ends and remaining in the cold shrinkable tube body all the time, ensuring the sealing and protection effects.

[0014] 3. Its raised points can increase the partial thickness of the outside of the cold shrinkable tube body. Thus, when the outside is scratched by hard objects, the raised points can be used to block, preventing it from reaching the inner wall surface of the cold shrinkable tube body and ensuring its service life. Description of the drawings:

[0015] Figure 1 is a partial cross-sectional view of the present utility model;

[0016] Figure 2 is Figure 1 a partial enlarged view of Specific implementation manners:

[0017] In an embodiment, as shown in Figures 1 to 2 a cold shrinkable tube for a photovoltaic connector of an offshore photovoltaic system includes a cold shrinkable tube body 10 and a support member 20 provided inside. The outer side walls of the left and right parts of the support member 20 are coated with a clay layer 30, and the outer wall surface of the clay layer 30 is pressed against the inner side walls of the left and right parts of the cold shrinkable tube body 10. When this embodiment is installed on the outer wall surface of the photovoltaic connector, that is, when the cold shrinkable tube body 10 is sleeved on the outer wall surface of the photovoltaic connector to achieve tightening and sealing fixation, the clay layer 30 inside it is clamped between the inner side wall of the cold shrinkable tube body 10 and the outer wall surface of the photovoltaic connector, which can further improve the sealing performance and thickness of its left and right parts, improve its use effect, and enhance the protection effect.

[0018] Furthermore, a plurality of annular grooves 11 are formed on the inner side wall of the middle part of the cold shrinkable tube body 10. The inner side wall of the annular groove 11 is an arc-shaped wall surface. The function of the annular groove 11 is that when the clay layer 30 is clamped between the inner side wall of the cold shrinkable tube body 10 and the outer wall surface of the photovoltaic connector, it is easy to be extruded and extended outward, and the annular groove 11 can provide a certain space to receive the extruded part of the clay, preventing the outer wall surface of the middle part of the cold shrinkable tube body 10 from protruding outward.

[0019] Furthermore, both the left end and the rear end of the cold-shrinkable tube body 10 are thickened tube ends 12, and the wall thickness of the thickened tube ends 12 is greater than that of the cold-shrinkable tube body 10. This increases the tightening force at both ends, and its compression effect is higher than the compression force in the middle of the cold-shrinkable tube body 10, thereby improving the sealing effect at both ends and preventing the clay layer 30 from being extruded from both ends and remaining in the cold-shrinkable tube body 10 all the time, ensuring the sealing and protection effects.

[0020] Furthermore, a plurality of raised points 1 are formed on the outer wall surface of the cold-shrinkable tube body 10. All the raised points 1 are evenly distributed on the outer wall surface of the entire cold-shrinkable tube body 10, that is, all the raised points 1 cover the entire outer wall surface of the cold-shrinkable tube body 10.

[0021] The raised points 1 can increase the partial thickness of the outside of the cold-shrinkable tube body 10. Thus, when the outside is scratched by hard objects (such as when encountering strong winds and waves, some hard objects or fragments flying with the wind, etc.), the raised points 1 can block them and prevent them from reaching the inner wall surface of the cold-shrinkable tube body 10, ensuring its service life.

[0022] Furthermore, both ends of the support member 20 extend out of the left and right ends of the cold-shrinkable tube body 10.

[0023] The support member 20 is a plastic strip-shaped member spirally wound into a cylindrical shape, and its outer side wall is pressed against the inner side wall of the cold-shrinkable tube body 10.

[0024] The clay layer 30 in this embodiment can adopt polyvinyl chloride clay, which has elasticity, strong bonding force, high heat resistance, good low-temperature flexibility, slow aging, and corrosion resistance to acids and alkalis.

[0025] The cold-shrinkable tube body 10 can adopt a silicone rubber material, that is, the cold-shrinkable tube body 10 is a tube body made of silicone rubber, which has good corrosion resistance and sealing effect.

[0026] The above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can also make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention, and the patent protection scope of the present invention should be defined by the claims.

Claims

1. A cold shrink tube for photovoltaic connectors of an offshore photovoltaic system, comprising a cold shrink tube body (10) and a support member (20) disposed inside the cold shrink tube, characterized in that: The outer side walls of the left and right parts of the support member (20) are covered with a clay layer (30), and the outer wall surface of the clay layer (30) is pressed against the inner side walls of the left and right parts of the cold shrink tube body (10).

2. The cold shrink tube for photovoltaic connector of offshore photovoltaic system according to claim 1, characterized in that: A plurality of annular grooves (11) are formed on the inner side wall of the middle portion of the cold shrink tube body (10).

3. The cold shrink tube for photovoltaic connector of offshore photovoltaic system according to claim 2, characterized in that: The inner side wall of the annular groove (11) is an arc-shaped wall surface.

4. The photovoltaic connector cold shrink tube for an offshore photovoltaic system according to claim 1, characterized in that: The left end and the rear end of the cold shrink tube body (10) are both thickened tube ends (12), and the wall thickness of the thickened tube end (12) is greater than the wall thickness of the cold shrink tube body (10).

5. The photovoltaic connector cold shrink tube for an offshore photovoltaic system according to claim 1, characterized in that: A plurality of protrusions (1) are formed on the outer wall surface of the cold shrink tube body (10).

6. The photovoltaic connector cold shrink tube for an offshore photovoltaic system according to claim 5, characterized in that: All the raised points (1) are distributed over the entire outer wall surface of the cold shrink tube body (10).

7. The photovoltaic connector cold shrink tube for an offshore photovoltaic system according to claim 5, characterized in that: The two ends of the support member (20) extend out from the left and right ends of the cold shrink tube body (10).

8. The photovoltaic connector cold shrink tube for an offshore photovoltaic system according to claim 5, characterized in that: The cold shrink tube body (10) is a tube body made of silicone rubber.

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