CN220543630U - Comprehensive cable for smart power grid - Google Patents

Abstract

The utility model discloses a comprehensive cable for smart grid, which includes a cable core. The surface of the cable core is covered with an insulating layer. The surface of the insulating layer is covered with a reinforcement layer. The surface of the reinforcement layer is covered with Outer protective layer, the reinforced layer adopts a double-layer design, and the two reinforced layers are filled with flame retardant powder. The outer protective layer includes a waterproof layer, and the surface of the waterproof layer is covered with a fireproof and heat-insulating layer. The surface of the fireproof and heat-insulating layer is covered with a wear-resistant layer. The utility model uses the cable core, the insulation layer, the reinforcement layer, the outer sheath, the waterproof layer, the fireproof and heat-insulating layer, the wear-resistant layer and the flame-retardant powder to make the comprehensive cable have good use strength and will not easily occur. The phenomenon of breaking can extend its service life, and this equipment also has good waterproof, flame retardant and wear resistance, which further makes the comprehensive cable have good performance and further extends its service life.

Description

A comprehensive cable for smart grid

Technical field

The utility model relates to the technical field of cables, specifically a comprehensive cable for smart grid.

Background technique

It is usually a rope-like cable twisted by several or groups of wires (at least two in each group). Each group of wires is insulated from each other and often twisted around a center. The entire outside is covered with high insulation. of covering layer. Cables are energized on the inside and insulated on the outside;

For example, a Chinese patent discloses "a comprehensive cable for smart grids" with the announcement number: CN202042279U. The patent includes a comprehensive cable composed of a power cable and an optical cable. Each power core conductor is covered with a core insulation layer on the outside, and the optical fiber unit As a core, it is cabled together with the power core. After filling and rounding, it is wrapped tightly with a wrapping tape, and then the outer sheath is extruded. The utility model describes a comprehensive cable for smart grid that integrates electric energy and signal transmission. It is a comprehensive cable for smart grid that integrates the four networks of radio and television, telecommunications, network and electric power. At the same time, the optical fiber has large information capacity and small transmission attenuation. It has the advantages of being free from electromagnetic interference and safe and reliable to use, and can adapt to the needs of remote control, telemetry and large-capacity information transmission in power systems. However, the patented cable has low strength and will be easily broken after long-term use. Moreover, the patented cable does not have good fire-retardant properties, which affects the safety of the cable.

Utility model content

The purpose of this utility model is to provide a comprehensive cable for smart grid, which has the advantages of high strength and strong flame retardancy, and solves the problems raised by the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solution: a comprehensive cable for smart grid, including a cable core, the surface of the cable core is covered with an insulating layer, and the surface of the insulating layer is covered with a reinforcing layer. The surface of the reinforcement layer is covered with an outer protective layer, the reinforcement layer adopts a double-layer design, and the two reinforcement layers are filled with flame retardant powder;

The outer protective layer includes a waterproof layer, the surface of the waterproof layer is covered with a fireproof and heat-insulating layer, and the surface of the fire-proof and heat-insulating layer is covered with a wear-resistant layer.

Preferably, the cable core includes a communication optical fiber and a current-carrying copper core, and the current-carrying copper core is twisted on the surface of the communication optical fiber.

Preferably, the insulating layer is made of insulating rubber, and the surface of the insulating layer is sprayed with thermally conductive silicone oil.

Preferably, the reinforcing layer is made of metal mesh, and the surface of the metal mesh is sprayed with insulating paint.

Preferably, the waterproof layer is made of PVC film, and the fireproof and heat-insulating layer is made of fire-proof and heat-insulating cotton.

Preferably, the wear-resistant layer is made of wear-resistant rubber, and the surface of the wear-resistant layer is sprayed with an anti-aging agent.

Compared with the existing technology, the beneficial effects of this utility model are as follows:

1. This utility model uses the cable core, insulation layer, reinforcement layer, outer sheath, waterproof layer, fireproof and heat insulation layer, wear-resistant layer and flame retardant powder to make the comprehensive cable have good use strength and will not easily The phenomenon of breakage occurs, thereby extending its service life, and this equipment also has good waterproofness, flame retardancy and wear resistance, which further ensures that the comprehensive cable has good performance and further extends its service life.

2. By setting the flame retardant powder, the utility model can make the comprehensive cable have good flame retardancy. By using the insulating layer made of insulating rubber, the comprehensive cable can have good insulation performance. By using the waterproof layer made of PVC film, The layer can effectively insulate external water and have good waterproof performance. The fire-proof and heat-insulating layer made of fire-proof and heat-insulating cotton can isolate external heat sources and ensure the fire-proof and heat-insulating performance of the comprehensive cable. , by using wear-resistant rubber to make the wear-resistant layer, the comprehensive cable can have good wear resistance and extend its service life.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a schematic diagram of the internal connection structure of the outer sheath of the present invention;

Figure 3 is a schematic diagram of the internal connection structure of the reinforcement layer of the present invention.

In the picture: 1. Cable core; 2. Insulation layer; 3. Reinforcement layer; 4. Outer sheath; 41. Waterproof layer; 42. Fireproof and heat insulation layer; 43. Wear-resistant layer; 5. Flame retardant powder.

Detailed ways

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. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The components of the present utility model are all universal standard components or components known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or conventional experimental methods.

Please refer to Figure 1-3, a comprehensive cable for smart grid, including a cable core 1, the surface of the cable core 1 is covered with an insulating layer 2, the surface of the insulating layer 2 is covered with a reinforcement layer 3, the surface of the reinforcement layer 3 is covered with Covered with an outer sheath 4, the reinforcement layer 3 adopts a double-layer design, and the two reinforcement layers 3 are filled with flame retardant powder 5. By setting the flame retardant powder 5, the comprehensive cable can have good flame retardancy;

The outer sheath 4 includes a waterproof layer 41. The surface of the waterproof layer 41 is covered with a fireproof and heat-insulating layer 42. The surface of the fire-proof and heat-insulating layer 42 is covered with a wear-resistant layer 43. Through the cable core 1, the insulation layer 2 and the reinforcement layer 3 , outer sheath 4, waterproof layer 41, fireproof and heat insulation layer 42, wear-resistant layer 43 and flame retardant powder 5 are used together to make the comprehensive cable have good use strength and will not break easily, so that it can be extended This equipment also has good waterproof, flame retardant and wear resistance, which further ensures the comprehensive cable has good performance and further extends its service life.

The cable core 1 includes a communication optical fiber and a current-carrying copper core, and the current-carrying copper core is twisted on the surface of the communication optical fiber.

The insulating layer 2 is made of insulating rubber, and the surface of the insulating layer 2 is sprayed with thermally conductive silicone oil. By using the insulating layer 2 made of insulating rubber, the comprehensive cable can have good insulation performance.

Reinforcement layer 3 is made of metal mesh, and the surface of the metal mesh is sprayed with insulating paint.

The waterproof layer 41 is made of PVC film, and the fire-proof and heat-insulating layer 42 is made of fire-proof and heat-insulating cotton. By using the waterproof layer 41 made of PVC film, external water can be well isolated and has good waterproof performance. By using the fireproof and heat-insulating layer 42 made of fire-proof and heat-insulating cotton, external heat sources can be isolated, ensuring the fire-proof and heat-insulating performance of the integrated cable.

The wear-resistant layer 43 is made of wear-resistant rubber, and the surface of the wear-resistant layer 43 is sprayed with an anti-aging agent. By using wear-resistant rubber to make the wear-resistant layer 43, the comprehensive cable can have good wear resistance and extend its service life. service life.

When in use, by setting the flame retardant powder 5, the comprehensive cable can have good flame retardancy. By using the insulating layer 2 made of insulating rubber, the comprehensive cable can have good insulation performance. By using the waterproof layer made of PVC film Layer 41 can well isolate external water and has good waterproof performance. The fireproof and heat-insulating layer 42 made of fire-proof and heat-insulating cotton can isolate external heat sources and ensure the fire-proof insulation of the comprehensive cable. In terms of thermal performance, by using wear-resistant rubber to make the wear-resistant layer 43, the comprehensive cable can have good wear resistance and extend its service life.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a smart power grids is with synthesizing cable, includes cable core (1), its characterized in that: the cable core is characterized in that the surface of the cable core (1) is coated with an insulating layer (2), the surface of the insulating layer (2) is coated with a reinforcing layer (3), the surface of the reinforcing layer (3) is coated with an outer protective layer (4), the reinforcing layer (3) adopts a double-layer design, and flame retardant powder (5) is filled between the two reinforcing layers (3);

the outer protective layer (4) comprises a waterproof layer (41), a fireproof heat-insulating layer (42) is coated on the surface of the waterproof layer (41), and a wear-resistant layer (43) is coated on the surface of the fireproof heat-insulating layer (42).

2. The integrated cable for a smart grid as set forth in claim 1, wherein: the cable core (1) comprises a communication optical fiber and an electrified copper core, and the electrified copper core is stranded on the surface of the communication optical fiber.

3. The integrated cable for a smart grid as set forth in claim 1, wherein: the insulating layer (2) is made of insulating rubber, and heat conduction silicone oil is sprayed on the surface of the insulating layer (2).

4. The integrated cable for a smart grid as set forth in claim 1, wherein: the reinforcing layer (3) is made of a metal net, and insulating paint is sprayed on the surface of the metal net.

5. The integrated cable for a smart grid as set forth in claim 1, wherein: the waterproof layer (41) is made of PVC films, and the fireproof heat-insulating layer (42) is made of fireproof heat-insulating cotton.

6. The integrated cable for a smart grid as set forth in claim 1, wherein: the wear-resistant layer (43) is made of wear-resistant rubber, and an anti-aging agent is sprayed on the surface of the wear-resistant layer (43).