A water-blocking type insulated cable

Abstract

The utility model relates to cable technical field discloses a kind of water-blocking type insulated cables, including wear-resistant coating, the bottom of wear-resistant coating is fixedly connected with water-blocking sheath, the bottom of water-blocking sheath is fixedly connected with high tenacity layer, the outside of high tenacity layer is fixedly connected with antiskid coating, the similar side of water-blocking sheath and high tenacity layer is fixedly connected with antiskid coating, the inside of high tenacity layer is fixedly connected with water-blocking tape, the inside of water-blocking tape is fixedly connected with fixed block, the bottom of fixed block is fixedly connected with partition frame, the similar side of partition frame and water-blocking tape is fixedly connected with fixed block.In the utility model, wear-resistant coating surface layer of water-blocking sheath is protected first, avoid the influence of internal transport and harsh environment, by high tenacity layer inside water-blocking tape preliminary waterproof, internal water-blocking shield layer blocks moisture penetration channel, external fixed filling inner shield layer and outer covering impermeable coating insulation layer.

Description

Technical Field

[0001] This utility model relates to the field of cable technology, and in particular to a water-blocking insulated cable. Background Technology

[0002] In environments such as water conservancy and hydropower projects, offshore wind power, and underground cable operations, cables are exposed to high humidity or even underwater environments for extended periods. Moisture penetration can severely affect the electrical performance and service life of cables. Water-blocking insulated cables have become a key choice to ensure stable power supply, preventing damage to internal cables from moisture and corrosive substances, ensuring the safety of power supply for industrial production, and guaranteeing the reliability of energy transmission.

[0003] Water-blocking insulated cables are used to transmit power or signals in harsh environments such as dampness and underwater. With their multi-layered water-blocking structure and insulation design, they resist water intrusion and maintain good insulation performance, ensuring stable power or signal transmission. Water-blocking insulated cables enable the safe transmission of power or signals in complex environments such as dampness, significantly reducing the probability of failures caused by water ingress, reducing power outages or signal distortion, and providing reliable protection for the normal operation of various projects that rely on stable power and signals.

[0004] Traditional water-blocking insulated cables have various designs for their waterproof layers, which play a certain role in resisting the intrusion of external moisture. However, there are still shortcomings in the design of the coating between some internal layers. Improper treatment between layers can create tiny gaps, which become new channels for moisture penetration, weakening the water-blocking effect and ultimately affecting the overall water-blocking reliability of the cable. Therefore, a water-blocking insulated cable is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a water-blocking insulated cable, which aims to improve the problem of weak water-blocking performance of some insulated cables in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A water-blocking insulated cable includes an abrasion-resistant coating, a water-blocking sheath fixedly connected to the bottom of the abrasion-resistant coating, a high-toughness layer fixedly connected to the bottom of the water-blocking sheath, an anti-slip coating fixedly connected to the outer side of the high-toughness layer, an anti-slip coating fixedly connected to the side of the water-blocking sheath and the high-toughness layer, a water-blocking strip fixedly connected to the inner side of the high-toughness layer, a fixing block fixedly connected to the inside of the water-blocking strip, a separator fixedly connected to the bottom of the fixing block, and a fixing block fixedly connected to the side of the separator and the side of the water-blocking strip.

[0008] As a further description of the above technical solution:

[0009] The bottom of the water-blocking strip is fixedly connected to a water-blocking shielding layer, the outside of the separator is fixed inside the water-blocking shielding layer, the outside of the fixing block is fixed inside the water-blocking shielding layer, the inside of the water-blocking shielding layer is fixedly connected to an anti-permeability coating, and the inside of the anti-permeability coating is fixedly connected to an insulating layer.

[0010] As a further description of the above technical solution:

[0011] An inner shielding layer is fixedly connected inside the insulating layer. A cable protection film is fixedly connected inside the inner shielding layer. A conductor cable is fixedly connected inside the cable protection film. The inner shielding layer is fixedly connected to the side of the conductor cable and the insulating layer that is close to each other.

[0012] As a further description of the above technical solution:

[0013] A high-density filling layer is fixedly connected inside the partition frame. The partition frame is fixedly connected to the side of the high-density filling layer and the water-blocking shielding layer. An anti-permeability coating is fixedly connected to the side of the insulating layer and the water-blocking shielding layer.

[0014] As a further description of the above technical solution:

[0015] The wear-resistant coating is externally fixed with a circular fixing head, the circular fixing head is internally threaded with a threaded tube, the threaded tube is externally fixed with a tapered joint, the tapered joint is internally provided with an anti-slip groove, and the tapered joint is externally slidably connected to the inside of the circular fixing head.

[0016] As a further description of the above technical solution:

[0017] The threaded pipe is fixedly connected to a connector cover, and two interface covers are fixedly connected to the outside of the connector cover.

[0018] As a further description of the above technical solution:

[0019] The outer surface of the connector cover is fixedly connected with a waterproof coating, and a threaded tube is fixedly connected to the adjacent side of the connector cover and the tapered connector.

[0020] As a further description of the above technical solution:

[0021] The tapered joint is internally slidably connected to the outside of the wear-resistant coating, and the circular fixing head and the adjacent side of the wear-resistant coating are slidably connected to the tapered joint.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the wear-resistant coating on the surface of the water-blocking sheath is used for initial protection to avoid the impact of transportation and harsh environment on the interior. Then, the water-blocking strip on the inner side of the high-toughness layer provides initial waterproofing. The internal water-blocking shielding layer blocks the longitudinal penetration channels of water. The conductor cable has a protective film on the outside. The outer fixed filling inner shielding layer and the outer anti-permeability coating insulation layer together achieve multi-layer reinforcement, water blocking and insulation.

[0024] 2. In this utility model, the interface cover is fixed to the outside of the connector cover for waterproof cable splicing. After the cable enters the connector cover through the interface cover, the interface cover is closed, and then the cable passes through the tapered connector. Its external anti-slip groove can open and hold cables of different sizes to assist in splicing. The circular fixing head passes through the cable and connects with the threaded pipe thread to further strengthen the fixation and ensure that the cable is stably spliced ​​inside the connector cover. The waterproof coating on the surface of the connector cover also helps with waterproofing. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a water-blocking insulated cable proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the wear-resistant coating of a water-blocking insulated cable proposed in this utility model.

[0027] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0028] Figure 4 This is a schematic diagram of the structure of a circular fixing head of a water-blocking insulated cable proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the waterproof coating structure of a water-blocking insulated cable proposed in this utility model;

[0030] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0031] Legend:

[0032] 1. Connector cover; 2. Waterproof coating; 3. Interface cover; 4. Wear-resistant coating; 5. Threaded tube; 6. Tapered connector; 7. Circular fixing head; 8. Anti-slip groove; 9. Water-blocking sleeve; 10. Anti-slip coating; 11. Water-blocking shielding layer; 12. Separator; 13. Inner shielding layer; 14. Insulation layer; 15. Conductor cable; 16. Anti-permeability coating; 17. Cable protection film; 18. Fixing block; 19. High-density filling layer; 20. Water-blocking tape; 21. High-toughness layer. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 2 , Figure 5 and Figure 6 This utility model provides an embodiment of a water-blocking insulated cable, including an abrasion-resistant coating 4, which serves as the outermost protective structure of the cable. Through its abrasion resistance, it provides initial protection to the water-blocking sheath 9, reducing the impact of transportation or harsh environments on the internal structure of the cable and lowering the risk of damage to internal components. The bottom of the abrasion-resistant coating 4 is fixedly connected to the water-blocking sheath 9, preventing external moisture from directly penetrating into the inner layer. Simultaneously, it is firmly connected to the high-toughness layer 21 via an anti-slip coating 10, ensuring the stability of the outer structure. The bottom of the water-blocking sheath 9 is fixedly connected to the high-toughness layer 21, which, with its high toughness, enhances the overall tensile and bending resistance of the cable, reducing internal structural damage caused by deformation during installation or use. The outer side of the high-toughness layer 21 is fixedly connected to... The anti-slip coating 10 increases the friction between the upper and lower layers and improves the firmness of the protective layer. The anti-slip coating 10 is fixedly connected to the side of the water-blocking sheath 9 and the high-toughness layer 21. The water-blocking strip 20 is fixedly connected to the inside of the high-toughness layer 21 to initially intercept water that has penetrated to the outer layer and reduce the penetration of water into the inner layer. The fixing block 18 is fixedly connected inside the water-blocking strip 20 to strengthen the connection between the water-blocking strip 20 and the water-blocking shielding layer 11 and prevent the inner layer structure from loosening. The bottom of the fixing block 18 is fixedly connected to the partition frame 12 to provide partition support for the multiple sets of conductor cables 15 inside the cable, to prevent the cables from being squeezed or tangled, and also to enhance the cable's internal resistance to deformation. The fixing block 18 is fixedly connected to the side of the partition frame 12 and the water-blocking strip 20.

[0035] A water-blocking shielding layer 11 is fixedly connected to the bottom of the water-blocking tape 20. This dense structure blocks the channels through which water can penetrate longitudinally. The outer side of the separator 12 is fixed to the inside of the water-blocking shielding layer 11, and the outer side of the fixing block 18 is fixed to the inside of the water-blocking shielding layer 11. An anti-penetration coating 16 is fixedly connected to the inside of the water-blocking shielding layer 11, further preventing trace amounts of water that might penetrate the water-blocking shielding layer 11 from penetrating to the insulation layer 14, thus avoiding any impact on the performance of the insulation layer 14. The insulation layer 14 is fixedly connected to the inside of the anti-penetration coating 16, forming the core insulation structure of the conductor cable 15 and ensuring the safety of power signal transmission. An inner shielding layer 13 is fixedly connected to the inside of the insulation layer 14 to prevent aging of the insulation layer 14 due to excessively strong local electric fields. The cable is internally fixedly connected to a cable protection film 17, which directly wraps the conductor cable 15 to prevent friction and wear between the conductor cable 15 and the inner shielding layer 13. The conductor cable 15 is internally fixedly connected to the cable protection film 17 and is used to transmit power or signals. It is the core function of the entire cable. The inner shielding layer 13 is fixedly connected to the side of the conductor cable 15 and the insulation layer 14. The high-density filling layer 19 is internally fixedly connected to the separator frame 12. The high-density filling layer 19 fills the gap between the separator frame 12 and the water-blocking shielding layer 11, enhancing the internal structural stability of the cable. The separator frame 12 is fixedly connected to the side of the high-density filling layer 19 and the water-blocking shielding layer 11. The anti-permeability coating 16 is fixedly connected to the side of the insulation layer 14 and the water-blocking shielding layer 11.

[0036] Reference Figures 1 to 5 The wear-resistant coating 4 is externally fixed with a circular fixing head 7, which, through threaded engagement with the threaded tube 5, secures the connector structure to the cable body. The circular fixing head 7 has an internal threaded connection to the threaded tube 5, serving as a bridge between the connector cover 1 and the tapered connector 6, enhancing the sealing and fixing strength at the connector. The threaded tube 5 is externally fixed with a tapered connector 6, whose tapered structure adapts to cable bodies of different diameters, preventing relative slippage between the connector and the cable body. The tapered connector 6 has an internal anti-slip groove 8, which helps to more stably fix the tapered connector 6 to the outside of the cable, improving the anti-slip properties at the connector. The external sliding of the tapered connector 6... Connected inside the circular fixing head 7, the threaded tube 5 is fixedly connected to the outside of the connector cover 1, which provides a closed space for the cable splice and protects the splice point from the influence of the external environment. Two interface covers 3 are fixedly connected to the outside of the connector cover 1, which facilitates the cable splicing operation when opened. A waterproof coating 2 is fixedly connected to the outside of the connector cover 1, forming a waterproof membrane on the surface of the connector cover 1 to prevent external moisture from passing through the gaps of the connector cover 1. The threaded tube 5 is fixedly connected to the adjacent side of the connector cover 1 and the tapered connector 6. The inside of the tapered connector 6 is slidably connected to the outside of the wear-resistant coating 4. The tapered connector 6 is slidably connected to the adjacent side of the circular fixing head 7 and the wear-resistant coating 4.

[0037] Working principle: The surface of the water-blocking sheath 9 is initially protected by the wear-resistant coating 4 to prevent the cable's internal structure from being affected during transportation and in harsh working environments. Then, the surface of the high-toughness layer 21 is treated with an anti-slip coating 10 to make the connection between the water-blocking sheath 9 and the high-toughness layer 21 more secure. The water-blocking strip 20 inside the high-toughness layer 21 provides initial waterproofing for the cable. Then, the internal water-blocking shielding layer 11 blocks the channels for longitudinal water penetration. The internal partition frame 12, which is fixed to the surface of the water-blocking strip 20 by the fixing block 18, provides partition support for the internal cable and extends the cable's service life. The outer side of the conductor cable 15 is coated with a cable protection film 17 for protection. In addition, the conductor cable 15 is fixedly filled with an inner shielding layer 13, and an insulation layer 14 protected by an anti-penetration coating 16 is fixed to the outside of the inner shielding layer 13, thus providing multi-layer reinforcement, water blocking, and insulation for the internal cable.

[0038] Waterproof cable splicing is performed by using the interface cover 3 fixed to the outside of the connector cover 1. The cable is inserted into the connector cover 1 through the interface cover 3 and then closed. The cable is then passed through the conical connector 6. The anti-slip groove 8 on the outside of the conical connector 6 helps to open and hold the cable according to its size, thus facilitating the cable splicing. The circular fixing head 7 is then passed through the cable and the threaded tube 5 for threaded splicing, which further strengthens the cable splicing and ensures that the cable can be stably spliced ​​inside the connector cover 1. The waterproof coating 2 on the surface of the connector cover 1 also plays a certain role in waterproofing.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A water-blocking insulated cable, comprising an abrasion-resistant coating (4), characterized in that: A water-blocking sleeve (9) is fixedly connected to the bottom of the wear-resistant coating (4). A high-toughness layer (21) is fixedly connected to the bottom of the water-blocking sleeve (9). An anti-slip coating (10) is fixedly connected to the outer side of the high-toughness layer (21). An anti-slip coating (10) is fixedly connected to the side of the water-blocking sleeve (9) and the high-toughness layer (21). A water-blocking strip (20) is fixedly connected to the inner side of the high-toughness layer (21). A fixing block (18) is fixedly connected to the inside of the water-blocking strip (20). A separator (12) is fixedly connected to the bottom of the fixing block (18). A fixing block (18) is fixedly connected to the side of the separator (12) and the water-blocking strip (20).

2. The water-blocking insulated cable according to claim 1, characterized in that: The bottom of the water-blocking strip (20) is fixedly connected to a water-blocking shielding layer (11), the outside of the separator (12) is fixed inside the water-blocking shielding layer (11), the outside of the fixing block (18) is fixed inside the water-blocking shielding layer (11), the inside of the water-blocking shielding layer (11) is fixedly connected to an anti-permeability coating (16), and the inside of the anti-permeability coating (16) is fixedly connected to an insulating layer (14).

3. A water-blocking insulated cable according to claim 2, characterized in that: An inner shielding layer (13) is fixedly connected inside the insulating layer (14), a cable protection film (17) is fixedly connected inside the inner shielding layer (13), a conductor cable (15) is fixedly connected inside the cable protection film (17), and the inner shielding layer (13) is fixedly connected to the side of the conductor cable (15) and the insulating layer (14).

4. A water-blocking insulated cable according to claim 3, characterized in that: The partition frame (12) is fixedly connected to a high-density filling layer (19), and the partition frame (12) is fixedly connected to the side of the high-density filling layer (19) and the water-blocking shield layer (11). The insulating layer (14) and the water-blocking shield layer (11) are fixedly connected to the side of the water-blocking shield layer (11). The anti-permeability coating (16) is fixedly connected to the side of the insulating layer (14) and the water-blocking shield layer (11).

5. A water-blocking insulated cable according to claim 1, characterized in that: The wear-resistant coating (4) is externally fixedly connected to a circular fixing head (7), the circular fixing head (7) is internally threadedly connected to a threaded tube (5), the threaded tube (5) is externally fixedly connected to a tapered joint (6), the tapered joint (6) is internally provided with an anti-slip groove (8), and the tapered joint (6) is externally slidably connected to the inside of the circular fixing head (7).

6. A water-blocking insulated cable according to claim 5, characterized in that: The threaded pipe (5) is fixedly connected to a connector cover (1), and two interface covers (3) are fixedly connected to the outside of the connector cover (1).

7. A water-blocking insulated cable according to claim 6, characterized in that: The outer side of the connector cover (1) is fixedly connected with a waterproof coating (2), and the adjacent side of the connector cover (1) and the tapered connector (6) is fixedly connected with a threaded pipe (5).

8. A water-blocking insulated cable according to claim 7, characterized in that: The tapered joint (6) is internally slidably connected to the outside of the wear-resistant coating (4), and the circular fixing head (7) and the wear-resistant coating (4) are slidably connected to the tapered joint (6) on the adjacent side.

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