Power cable with self-repairing function

Abstract

The utility model relates to the technical field of cables, and discloses a power cable with a self-repairing function, which comprises a cable body, a fixing assembly is arranged on the side wall of the cable body, and a repairing assembly is arranged in the cable body. The fixing assembly comprises a first fixing block, one side wall of the fixing block is attached to the side wall of the cable body, a bolt is in threaded connection with the interior of the first fixing block, a clamping sleeve is fixedly connected to one side wall of the fixing block, a clamping block is fixedly connected to the end, away from the clamping sleeve, of the first fixing block, and a fixing plate is fixedly connected to the interior of the clamping block. The side wall of the fixing plate is fixedly connected with a spring, and one end of the spring is fixedly connected with a second fixing block. According to the utility model, the first fixing block is clamped and tightened through the bolt, and then the clamping block on the other cable body slides into the clamping sleeve, so that the second fixing block is clamped in the clamping sleeve to achieve a fixing effect, a plurality of cable bodies can be conveniently connected together, winding is prevented, and the maintenance convenience is improved through the above structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to power cable with self -repairing function. BACKGROUND

[0002] In modern power systems, the stability and reliability of power supply are crucial. With the acceleration of urbanization and the continuous expansion of industrial scale, power transmission is facing higher challenges. Power cable with self-repairing function emerges as the times require, which can automatically repair the damage caused by external factors to a certain extent, reduce the occurrence of power failure, and ensure the continuous supply of electricity. It is widely used in urban power grids, industrial plants and other important power transmission scenarios, and has become one of the key technologies in the development of power industry.

[0003] At present, conventional power cable is mainly composed of conductor, insulation layer, shielding layer and sheath. Some advanced power cables add special self-repairing materials in the insulation layer or sheath, such as substances containing microcapsule repair agent. When the cable is damaged, the microcapsule ruptures to release the repair agent, which repairs the damaged part, thereby maintaining the normal operation of the cable.

[0004] The existing power cable is usually arranged in parallel with multiple cables. Since there is no connecting and fixing structure, the cables are easy to wind together, which makes it difficult to distinguish and operate during maintenance, thereby increasing the workload and difficulty. Therefore, the power cable with self-repairing function is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a power cable with self-repairing function, which aims to improve the problem that there is no connecting and fixing structure in the prior art, which leads to easy winding of cables, making it difficult to distinguish and operate during maintenance, thereby increasing the workload and difficulty.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The power cable with self-repairing function comprises a cable body, a fixing assembly is arranged on the side wall of the cable body, and a repairing assembly is arranged in the cable body;

[0008] The fixing assembly comprises a fixed block one, the side wall of the fixed block one is attached to the side wall of the cable body, a screw is threadedly connected in the fixed block one, a clamping sleeve is fixedly connected to the side wall of the fixed block one, a clamping block is fixedly connected to the end of the fixed block one away from the clamping sleeve, a fixed plate is fixedly connected to the inside of the clamping block, a spring is fixedly connected to the side wall of the fixed plate, a fixed block two is fixedly connected to one end of the spring, and the side wall of the fixed block two is slidingly connected to the inside of the clamping block.

[0009] As a further description of the above technical solutions:

[0010] The repair assembly comprises a sheath layer arranged inside the cable body, a waterproof layer arranged on the side wall of the sheath layer, an insulating shielding layer arranged on the side wall of the waterproof layer, an insulating layer arranged on the side wall of the insulating shielding layer, a conductor shielding layer arranged on the side wall of the insulating layer, and a conductor layer arranged on the side wall of the conductor shielding layer.

[0011] As a further description of the above technical solutions:

[0012] The side wall of the clamping block is slidably connected to the inside of the clamping sleeve, and the side wall of the second fixing block is slidably connected to the inside of the clamping sleeve.

[0013] As a further description of the above technical solutions:

[0014] The sheath layer is made of silicone rubber, which is used to fill the damaged part and restore the protective function of the sheath, and the waterproof layer is made of water-blocking gel, which is used to prevent water from entering the inside of the cable.

[0015] As a further description of the above technical solutions:

[0016] The insulating shielding layer is made of semi-conductive rubber and carbon nanotubes, which is used to maintain the semi-conductive performance.

[0017] As a further description of the above technical solutions:

[0018] The insulating layer is made of sulfurized modified polyethylene with disulfide bond, which is used to repair the insulating performance.

[0019] As a further description of the above technical solutions:

[0020] The conductor shielding layer is made of semi-conductive nylon tape and self-repairing polymer, which is used to restore the continuity of the semi-conductive material and ensure the shielding effect.

[0021] As a further description of the above technical solutions:

[0022] The conductor layer is made of copper and coated with polypyrrole on its surface, which is used to maintain good conductive performance.

[0023] The utility model has the advantages of:

[0024] 1. The utility model discloses a fixing block one is clamped and is tightened through bolt, and then the clamping block on another cable body is slipped into the inside of the sleeve, makes fixing block two clamps in the sleeve and reaches the fixed effect, and the multiple cable bodies are connected together conveniently, prevent winding, solve the problem that the part of power cable with self -repairing function is usually set up in parallel with multiple cables when using, because of not having the connecting fixed structure, lead to the cable easy winding together, let the later maintenance is inconvenient discernment, operation difficult, thereby increase the workload and work difficulty's problem, improve the convenience when maintaining through above -mentioned structure.

[0025] 2. The utility model discloses a sheath layer, waterproof layer, insulation shield layer, insulating layer, conductor shield layer, conductor layer common action can ensure the efficient stable power transmission, strengthen insulation and protection, realize waterproof and prolong the service life of cable, can also promote the ability of cable adapting complex environment and working condition. ACCURACY OF DRAWINGS

[0026] Figure 1 It is the three -dimensional schematic view of the power cable with self -repairing function that the utility model proposes;

[0027] Figure 2 It is the structure schematic view of fixing block one of the power cable with self -repairing function that the utility model proposes;

[0028] Figure 3 It is the structure schematic view of the clamping block inside of the power cable with self -repairing function that the utility model proposes;

[0029] Figure 4 It is the structure schematic view of the cable body inside of the power cable with self -repairing function that the utility model proposes.

[0030] LEGEND:

[0031] 1, cable body;2, fixing block one;3, bolt;4, sleeve;5, clamping block;6, fixed plate;7, spring;8, fixing block two;9, sheath layer;10, waterproof layer;11, insulation shield layer;12, insulating layer;13, conductor shield layer;14, conductor layer. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: power cable with self -repairing function, including cable body 1, the fixed assembly is arranged on the side wall of cable body 1, and the fixed assembly includes fixed block one 2, and the inside screw thread connection of fixed block one 2 has bolt 3, by screwing bolt 3, can fixed block one 2 is fixed on cable body 1, prevents its loosening and falling off, fixed block one 2 side wall fixedly connected with the sleeve 4 of card, fixed block one 2 away from the sleeve 4 one end fixedly connected with the block 5 of card, the block 5 of card is used to with the sleeve 4 cooperation and connection on other cable, realizes the splicing of multiple cable, fixed plate 6 is fixedly connected in the inside of block 5 of card, and the side wall of fixed plate 6 is fixedly connected with spring 7, and fixed block two 8 side wall slidingly connects in the inside of block 5 of card, and block 5 of card side wall slidingly connects in the inside of sleeve 4 of card, and fixed block two 8 side wall slidingly connects in the inside of sleeve 4 of card, further enhances the stability and reliability of connection, and cable body 1 is provided with repair assembly inside, for when cable body 1 appears damage, automatically repairs the damaged part;

[0034] When using the device, when multiple cable bodies 1 need to be connected together side by side, first, the fixed block one 2 is clamped on the cable body 1, then the bolt 3 is tightened by rotating, which effectively prevents the fixed block one 2 from sliding or falling off on the cable body 1, and then the block 5 of card on one cable body 1 is slid into the inside of the sleeve 4 of card on another cable body 1, the shape and size of the block 5 of card can cooperate with the sleeve 4 of card, and during the sliding process, the extrusion force will make the fixed block two 8 slide into the inside of the block 5 of card and extrude the spring 7. The fixed block two 8 is originally in the inside of the block 5 of card, and under the action of the extrusion force generated when the block 5 of card slides into the sleeve 4 of card, it will slide into the inside of the block 5 of card. When the block 5 of card slides into the inside of the sleeve 4 of card to the position of the card slot, the spring 7 rebounds at this time and pushes the fixed block two 8 to be clamped in the inside of the sleeve 4 of card, realizing the locking between the two cable bodies 1. This locking mode thus realizes the effect of connecting the two cable bodies 1 together, effectively preventing multiple cable bodies 1 from winding together during use, greatly improving the safety and convenience of cable use, and reducing the fault hidden danger and maintenance difficulty caused by cable winding.

[0035] Reference Figure 4The repairing assembly comprises a sheath layer 9 arranged inside the cable body 1, a waterproof layer 10 arranged on the side wall of the sheath layer 9, an insulating shielding layer 11 arranged on the side wall of the waterproof layer 10, an insulating layer 12 arranged on the side wall of the insulating shielding layer 11, a conductor shielding layer 13 arranged on the side wall of the insulating layer 12, and a conductor layer 14 arranged on the side wall of the conductor shielding layer 13; the sheath layer 9 is made of silicone rubber, used for filling the damaged part and restoring the protection function of the sheath; the waterproof layer 10 is made of water-blocking gel, used for preventing water from entering the inside of the cable; the insulating shielding layer 11 is made of semi-conductive rubber and carbon nanotubes, used for maintaining the semi-conductive performance; the insulating layer 12 is made of sulfurized modified polyethylene with disulfide bond, used for repairing the insulating performance; the conductor shielding layer 13 is made of semi-conductive nylon belt and self-repairing polymer, used for restoring the continuity of the semi-conductive material and ensuring the shielding effect; and the conductor layer 14 is made of copper and coated with polypyrrole on the surface, used for maintaining good conductive performance.

[0036] Inside the cable body 1, the sheath layer 9, the waterproof layer 10, the insulating shielding layer 11, the insulating layer 12, the conductor shielding layer 13 and the conductor layer 14 jointly ensure efficient and stable power transmission of the cable and improve various performances. The sheath layer 9 is made of silicone rubber and has good flexibility and elasticity. When the cable is subjected to external mechanical impact or scratching, the sheath layer can deform elastically to timely fill the damaged part and effectively prevent external dust, impurities and water from entering the inside of the cable. The waterproof layer 10 is made of water-blocking gel and has excellent water absorption and swelling. Once contacted with water, the water-blocking gel absorbs and swells to form a waterproof barrier to prevent further water intrusion into the inside of the cable and avoid problems such as conductor corrosion and insulation performance degradation caused by water. The insulating shielding layer 11 is made of semi-conductive rubber and carbon nanotubes. The semi-conductive rubber itself has certain semi-conductive properties, and the addition of carbon nanotubes greatly enhances this property to prevent electromagnetic interference on surrounding electronic equipment while maintaining its own semi-conductive properties to ensure uniform distribution of electric field. The insulating layer 12 is made of sulfurized modified polyethylene with disulfide bond to isolate the conductor from the outside and prevent electric shock accidents or short circuit failures caused by current leakage. When the insulating layer 12 is cracked or damaged due to aging, overheating or mechanical stress, the disulfide bond breaks and recombines to automatically repair the damaged part and restore the insulation performance, thereby strengthening the insulation protection of the cable. The conductor shielding layer 13 is made of semi-conductive nylon belt and self-healing polymer and functions to uniformly distribute the electric field on the surface of the conductor to avoid electric field concentration. When damaged to a certain extent, the self-healing polymer restores the continuity of the semi-conductive nylon belt to ensure the shielding effect and provide conditions for stable transmission of the conductor layer 14, thereby ensuring stable power transmission. The conductor layer 14 is made of copper and coated with polypyrrole on its surface. Copper has excellent conductivity and is the main carrier for efficient transmission of electric energy from the power source end to the power consumption end. Polypyrrole not only has good conductivity but also forms a protective film on the surface of the conductor to inhibit oxidation and corrosion of the conductor surface, maintain good conductivity, reduce power transmission loss and achieve efficient and stable power transmission.

[0037] Working principle: when using the device, when a plurality of cable bodies 1 need to be connected together side by side, first, the fixed block one 2 is clamped on the cable body 1, then the bolt 3 is tightened by rotating, then the clamping block 5 on one cable body 1 is slid into the clamping sleeve 4 on another cable body 1, and the extrusion force during sliding makes the fixed block two 8 slide into the clamping block 5 and extrude the spring 7, when the clamping block 5 is slid into the clamping sleeve 4, the spring 7 rebounds and pushes the fixed block two 8 to clamp in the clamping sleeve 4, thereby realizing the effect of connecting two cable bodies 1 together, preventing multiple cable bodies 1 from winding together during use, and through the combined action of the sheath layer 9, waterproof layer 10, insulation shielding layer 11, insulation layer 12, conductor shielding layer 13 and conductor layer 14 in the cable body 1, realizing efficient and stable power transmission, strengthening insulation and protection, realizing waterproof and prolonging the service life of the cable body 1, and also improving the ability of the cable body 1 to adapt to complex environments and working conditions.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. Power cable with self-repairing function, comprising a cable body (1), characterized in that: The cable body (1) side wall is provided with a fixing assembly, and the cable body (1) is internally provided with a repairing assembly; The fixing assembly comprises a fixing block one (2), the fixing block one (2) side wall is attached to the cable body (1) side wall, the fixing block one (2) internally threadedly connected with a bolt (3), the fixing block one (2) side wall fixedly connected with a sleeve (4), the fixing block one (2) away from the sleeve (4) one end fixedly connected with a clamping block (5), the clamping block (5) internally fixedly connected with a fixed plate (6), the fixed plate (6) side wall fixedly connected with a spring (7), the spring (7) one end fixedly connected with a fixing block two (8), the fixing block two (8) side wall slidingly connected in the clamping block (5) inside.

2. The power cable with self-repairing function according to claim 1, characterized in that: The repairing assembly comprises a sheath layer (9), the sheath layer (9) is arranged in the cable body (1), the sheath layer (9) side wall is provided with a waterproof layer (10), the waterproof layer (10) side wall is provided with an insulating shielding layer (11), the insulating shielding layer (11) side wall is provided with an insulating layer (12), the insulating layer (12) side wall is provided with a conductor shielding layer (13), the conductor shielding layer (13) side wall is provided with a conductor layer (14).

3. The power cable with self-repairing function according to claim 1, characterized in that: The clamping block (5) side wall slidingly connected in the sleeve (4) inside, the fixing block two (8) side wall slidingly connected in the sleeve (4) inside.

4. The power cable with self-repairing function according to claim 2, characterized in that: The sheath layer (9) is made of silicone rubber, which is used to fill the damaged part and restore the protective function of the sheath, and the waterproof layer (10) is made of water-blocking gel, which is used to prevent water from entering the cable.

5. The power cable with self-repairing function according to claim 2, characterized in that: The insulating shielding layer (11) is made of semi-conductive rubber and carbon nanotubes, which is used to maintain the semi-conductive performance.

6. The power cable with self-repairing function according to claim 2, characterized in that: The insulating layer (12) is made of sulfurized modified polyethylene with disulfide bond, which is used to repair the insulating performance.

7. The power cable with self-repairing function according to claim 2, characterized in that: The conductor shielding layer (13) is made of semi-conductive nylon belt and self-repairing polymer, which is used to make the semi-conductive material recover continuously and ensure the shielding effect.

8. The power cable with self-repairing function according to claim 2, characterized in that: The conductor layer (14) is made of copper and coated with polypyrrole on its surface, which is used to maintain good conductive performance.

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