Photovoltaic power generation cable with compression resistance function

Abstract

The utility model discloses a photovoltaic power generation cable with an anti-compression function, which comprises a photovoltaic cable and an anti-compression seat, the anti-compression seat is connected to the outer side of the photovoltaic cable, connecting grooves are uniformly arranged on the outer side of the anti-compression seat, liquid injection ports are arranged at two ends of the anti-compression seat, and liquid injection channels are arranged inside the anti-compression seat on the inner sides of the liquid injection ports. According to the utility model, the anti-pressure seat is arranged on the outer side of the photovoltaic cable, when the anti-pressure seat is connected with the photovoltaic cable in the using process, glue or viscous liquid is injected into the liquid injection channel through the liquid injection port, and then the glue or viscous liquid is attached to the surface of the photovoltaic cable through the adhesion cavity, so that the purpose of fixing the anti-pressure seat is achieved; furthermore, through the effects of the connecting strips, the connecting grooves and the connecting blocks, the connected photovoltaic cables are quickly connected and fixed, the mutual influence between the photovoltaic cables is reduced, the extrusion phenomenon is avoided, meanwhile, the purpose of auxiliary arrangement can be achieved, and the practicability and the flexibility are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cables, and particularly relates to a cable for photovoltaic power generation with a compression resistance function. Background Technique

[0002] With the rapid development of the photovoltaic power generation industry, the demand for cables used in photovoltaic power generation systems has gradually increased. Photovoltaic cables are an extremely important and indispensable part of solar photovoltaic power generation systems. Usually, the low-voltage direct current generated by photovoltaic power generation is converted into alternating current and then output, and the cable connecting the photovoltaic modules and the AC-DC inverter is the photovoltaic cable. Therefore, as the main trunk for power transmission of photovoltaic power generation facilities, photovoltaic cables are directly related to the safety, reliability, and advancement of solar photovoltaic power generation systems;

[0003] With the construction of urban power grids and infrastructure, the utilization rate of photovoltaic cables is getting higher and higher. As a result, the installation workload of photovoltaic cables has increased rapidly. During the use of photovoltaic cables, multiple photovoltaic cable bundles often need to be installed and used simultaneously, which causes the photovoltaic cables to be squeezed against each other and arranged in a scattered manner, leaving room for optimization. Therefore, it is necessary to design a cable for photovoltaic power generation with a compression resistance function to solve the above-mentioned problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a cable for photovoltaic power generation with a compression resistance function to solve the problem that photovoltaic cables are easily squeezed against each other in the above-mentioned background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A cable for photovoltaic power generation with a compression resistance function includes a photovoltaic cable and a compression resistance seat, and the compression resistance seat is connected to the outside of the photovoltaic cable;

[0006] The outside of the compression resistance seat is evenly provided with connecting grooves, both ends of the compression resistance seat are provided with liquid injection ports, and a liquid injection channel is arranged inside the compression resistance seat on the inner side of the liquid injection port. An adhesion cavity is arranged inside the compression resistance seat on the inner side of the liquid injection channel. The photovoltaic cable is connected inside the compression resistance seat, and the photovoltaic cable is composed of an outer layer and a core. A connecting block is connected between two groups of the compression resistance seats, and connecting strips are fixed on both sides of the connecting block. The connecting strips are all connected to the connecting grooves. A wrapping layer is arranged inside the outer layer, an insulating layer is arranged on the outside of the wrapping layer, and a sheath layer is arranged on the outside of the insulating layer.

[0007] Preferably, the outside of the connecting groove is evenly provided with first anti-slip lines, the outside of the connecting strip is evenly provided with second anti-slip lines, and the second anti-slip lines are all in contact with the first anti-slip lines.

[0008] Preferably, the first anti-slip lines and the second anti-slip lines are arranged in a vertical and horizontal two-way arrangement design.

[0009] Preferably, the widths of the connecting bars are all matched with the widths of the connecting blocks. There are two sets of connecting bars, and each set is provided with two connecting bars.

[0010] Preferably, there are four sets of connecting grooves, and each set is provided with two connecting grooves.

[0011] Preferably, a connecting ring is arranged at the central position inside the photovoltaic cable, and brackets are uniformly fixed on the outer side of the connecting ring.

[0012] Preferably, one ends of the brackets far away from the connecting ring are all connected to the inner side of the outer layer, and a central column is fixed inside the connecting ring.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The photovoltaic power generation cable with compressive resistance function realizes the functions of compressive protection and auxiliary arrangement;

[0014] By arranging a compressive seat on the outer side of the photovoltaic cable, during use, when the compressive seat is connected to the photovoltaic cable, glue or viscous liquid is injected into the injection channel through the injection port, and then it fits with the surface of the photovoltaic cable through the adhesion cavity to achieve the purpose of fixing the compressive seat. Further, through the action of the connecting bars, connecting grooves and connecting blocks, the rapid connection and fixation between the connected photovoltaic cables are realized, and the mutual influence between the photovoltaic cables is reduced, avoiding the extrusion phenomenon, and at the same time, the auxiliary arrangement purpose can be realized, improving the practicability and flexibility;

[0015] By arranging a central column, a connecting ring and brackets, the material of which is rubber, a certain buffer space can be formed when the photovoltaic cable is squeezed, and the mutual influence between the wire cores is reduced, the damage to the wire cores is reduced, the protection effect on the photovoltaic cable is improved, and the compressive resistance ability is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0017] Figure 1 It is a schematic side view structure diagram of the present utility model;

[0018] Figure 2 It is a schematic front view sectional structure diagram of the present utility model;

[0019] Figure 3 It is a three-dimensional structure diagram of the compressive seat of the present utility model;

[0020] Figure 4 3D structure diagram of the connecting block of the present utility model;

[0021] Figure 5 Internal structure diagram of the outer layer of the present utility model.

[0022] Explanation of the reference numerals in the figure: 1, photovoltaic cable; 2, compression seat; 3, connection groove; 4, outer layer; 5, wire core; 6, bracket; 7, connection bar; 8, connecting block; 9, adhesion cavity; 10, connection ring; 11, central column; 12, liquid injection channel; 13, liquid injection port; 14, first anti-slip pattern; 15, second anti-slip pattern; 16, sheath layer; 17, insulation layer; 18, wrapping layer. Detailed implementation manners

[0023] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-5 , an embodiment provided by the present utility model: a photovoltaic power generation cable with a compression resistance function, including a photovoltaic cable 1 and a compression seat 2;

[0025] A connection ring 10 is provided at the central position inside the photovoltaic cable 1, and brackets 6 are uniformly fixed on the outer side of the connection ring 10. One ends of the brackets 6 away from the connection ring 10 are all connected to the inner side of the outer layer 4, and a central column 11 is fixed inside the connection ring 10;

[0026] Specifically, as Figure 2 shown, when in use, by providing the central column 11, the connection ring 10 and the brackets 6, which are made of rubber, a certain buffer space can be formed when the photovoltaic cable 1 is squeezed, and the mutual influence between the wire cores 5 can be reduced, the damage to the wire cores 5 can be reduced, the protection effect on the photovoltaic cable 1 can be improved, and the compression resistance ability can be enhanced;

[0027] The compression seat 2 is connected to the outer side of the photovoltaic cable 1, and connection grooves 3 are uniformly provided on the outer side of the compression seat 2;

[0028] Four groups of connection grooves 3 are provided, and each group is provided with two;

[0029] Specifically, as Figure 2 shown, when in use, the design of multiple groups of connection grooves 3 can realize the connection combination of photovoltaic cables 1 in multiple directions;

[0030] Both ends of the compression seat 2 are provided with liquid injection ports 13, and a liquid injection channel 12 is arranged inside the compression seat 2 on the inner side of the liquid injection port 13, and an adhesion cavity 9 is arranged inside the compression seat 2 on the inner side of the liquid injection channel 12. A photovoltaic cable 1 is connected inside the compression seat 2, and the photovoltaic cable 1 is composed of an outer layer 4 and a core 5. A connection block 8 is connected between the two groups of compression seats 2, and connection bars 7 are fixed on both sides of the connection block 8;

[0031] First anti-slip lines 14 are evenly arranged on the outer side of the connection groove 3, and second anti-slip lines 15 are evenly arranged on the outer side of the connection bar 7, and the second anti-slip lines 15 are all in contact with the first anti-slip lines 14. The first anti-slip lines 14 and the second anti-slip lines 15 are arranged in a vertical and horizontal two-way design;

[0032] Specifically, as Figure 3 and Figure 4 shown, when in use, through the action of the anti-slip lines arranged in a vertical and horizontal two-way design, the friction when the connection bar 7 and the connection groove 3 are engaged can be increased, and the connection effect can be enhanced;

[0033] The widths of the connection bars 7 all match the width of the connection block 8. There are two groups of connection bars 7, and each group is provided with two;

[0034] Specifically, as Figure 2 shown, when in use, the connection tightness can be improved by the matching of the connection bar 7 and the connection block 8 to avoid loosening;

[0035] The connection bars 7 are all connected to the connection groove 3. A wrapping layer 18 is arranged inside the outer layer 4, an insulating layer 17 is arranged on the outer side of the wrapping layer 18, and a sheath layer 16 is arranged on the outer side of the insulating layer 17.

[0036] Working principle: When in use of the present utility model, a compression seat 2 is arranged on the outer side of the photovoltaic cable 1. After the compression seat 2 is connected to the photovoltaic cable 1, glue or viscous liquid is injected into the liquid injection channel 12 through the liquid injection port 13, and it is attached to the surface of the photovoltaic cable 1 through the adhesion cavity 9 to achieve the purpose of fixing the compression seat 2. Further, through the action of the connection bar 7, the connection groove 3 and the connection block 8, the rapid connection and fixation between the connected photovoltaic cables 1 can be achieved, and the mutual influence between the photovoltaic cables 1 can be reduced, avoiding the extrusion phenomenon, and at the same time, the auxiliary arrangement purpose can be achieved. At the same time, by arranging the central column 11, the connection ring 10 and the bracket 6, the material of which is rubber, a certain buffer space can be formed when the photovoltaic cable 1 is squeezed, and the mutual influence between the cores 5 can be reduced, the damage to the cores 5 can be reduced, the protection effect on the photovoltaic cable 1 can be improved, and the compression resistance can be enhanced.

[0037] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0038] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A cable for photovoltaic power generation with compressive resistance function, comprising a photovoltaic cable (1) and a compressive seat (2), wherein the compressive seat (2) is connected to the outside of the photovoltaic cable (1); It is characterized in that: The outside of the compressive seat (2) is evenly provided with connecting grooves (3). Both ends of the compressive seat (2) are provided with liquid injection ports (13), and a liquid injection channel (12) is arranged inside the compressive seat (2) at the inner side of the liquid injection port (13). A bonding cavity (9) is arranged inside the compressive seat (2) at the inner side of the liquid injection channel (12). The photovoltaic cable (1) is connected inside the compressive seat (2), and the photovoltaic cable (1) is composed of an outer layer (4) and a core (5). A connecting block (8) is connected between the two compressive seats (2), and connecting strips (7) are fixed on both sides of the connecting block (8). The connecting strips (7) are all connected to the connecting grooves (3). A wrapping layer (18) is arranged inside the outer layer (4), an insulating layer (17) is arranged outside the wrapping layer (18), and a sheath layer (16) is arranged outside the insulating layer (17).

2. The cable for photovoltaic power generation with compressive resistance function according to claim 1, wherein: First anti-slip lines (14) are evenly arranged outside the connecting grooves (3). Second anti-slip lines (15) are evenly arranged outside the connecting strips (7), and the second anti-slip lines (15) are all in contact with the first anti-slip lines (14).

3. The cable for photovoltaic power generation with compressive resistance function according to claim 2, characterized in that: The first anti-slip lines (14) and the second anti-slip lines (15) are arranged in a vertical and horizontal two-way arrangement design.

4. The cable for photovoltaic power generation with compressive resistance function according to claim 1, characterized in that: The widths of the connecting strips (7) are all matched with the width of the connecting block (8). There are two groups of connecting strips (7), and each group is provided with two.

5. The cable for photovoltaic power generation with compressive resistance function according to claim 1, wherein: There are four groups of connecting grooves (3), and each group is provided with two.

6. The cable for photovoltaic power generation with compressive resistance function according to claim 1, characterized in that: A connecting ring (10) is arranged at the central position inside the photovoltaic cable (1), and brackets (6) are evenly fixed outside the connecting ring (10).

7. The cable for photovoltaic power generation with compressive resistance function according to claim 6, characterized in that: One ends of the brackets (6) far away from the connecting ring (10) are all connected to the inner side of the outer layer (4), and a central column (11) is fixed inside the connecting ring (10).

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