CN220456118U - Novel high-voltage cable - Google Patents

Abstract

The utility model relates to the technical field of high-voltage cables, and discloses a new type of high-voltage cable, which includes a wear-resistant layer. An anti-corrosion layer is provided inside the wear-resistant layer, and a reinforcement layer is provided inside the anti-corrosion layer. The outside of the reinforcement layer is filled with thermal insulation filling, the inside of the reinforcement layer is provided with an insulation layer, and the inside of the insulation layer is filled with flame retardant filling. This new type of high-voltage cable is equipped with a wear-resistant layer made of polyvinyl chloride material, which has good wear resistance and chemical corrosion resistance and can protect the internal structure. It is equipped with an anti-corrosion layer with a triangular cross-sectional structure. The structural strength of the high-voltage cable is improved. The anti-corrosion layer is made of cross-linked polyethylene material, which has high heat resistance and wear resistance. It is more durable and has good fire resistance. It is equipped with a mesh-like reinforcement. Layer, high structural strength, improved support effect, high-voltage cables are not easy to deform, and high structural strength.

Description

A new type of high voltage cable

Technical field

The utility model relates to the technical field of high-voltage cables, specifically a new type of high-voltage cable.

Background technique

High-voltage cable is a type of power cable, which refers to power cables used to transmit power between 1kv and 1000kv. It is mostly used in power transmission and distribution. There are mainly two types of insulation sleeves and electric cores for high-voltage cables: aluminum cores and copper cores. Due to the excellent conductivity of copper conductors, more and more projects use copper core power cables as the main trunk of the power supply system, while aluminum core power cables There are fewer applications, especially in higher-voltage power systems, the more copper-core cables are chosen. The existing cable sheath has poor wear resistance. The cable is subject to external mechanical forces during the operation and is easily broken. Its outer sheath brings great safety risks. The cable sheath has poor support and the cable is easily deformed during deployment. Therefore, a new type of high-voltage cable is installed to solve the above problems.

China Utility Model Patent Publication Number: CN 214541660 U discloses a temperature-resistant high-voltage cable. The temperature-resistant high-voltage cable has poor support from the cable sheath. The cable is easily deformed during deployment and is inconvenient to use.

Utility model content

(1) Technical problems solved

In view of the shortcomings of the existing technology, the present utility model provides a new type of high-voltage cable to solve the problems raised in the above background.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solution: a new type of high-voltage cable, including a wear-resistant layer, an anti-corrosion layer is provided inside the wear-resistant layer, and a reinforcement layer is provided inside the anti-corrosion layer. The outside of the reinforcement layer is filled with thermal insulation filling, the interior of the reinforcement layer is provided with an insulation layer, the interior of the insulation layer is filled with flame retardant filling, the interior of the insulation layer is provided with a plurality of shielding tapes, the shielding The inside of the belt is provided with an insulating sleeve and a battery core.

Preferably, the wear-resistant layer is made of polyvinyl chloride material, and the thickness of the wear-resistant layer is 2-3 mm.

Through the above technical solution, a wear-resistant layer made of polyvinyl chloride material is provided, which has good wear resistance and chemical corrosion resistance and can protect the internal structure.

Preferably, the cross-sectional shape of the anti-corrosion layer is a triangular structure, and the anti-corrosion layer is made of cross-linked polyethylene material.

Through the above technical solution, an anti-corrosion layer with a triangular cross-sectional structure is installed, which improves the structural strength of the high-voltage cable. The anti-corrosion layer is made of cross-linked polyethylene material, which has high heat resistance and wear resistance, and is relatively Durable and also has good fire resistance.

Preferably, the outer side of the reinforcement layer has a mesh structure, the reinforcement layer is made of rigid polyurethane material, and the insulation filling is made of polyurethane foam material.

Through the above technical solution, a reinforcement layer with a mesh structure is set up, which has high structural strength and improves the support effect. The high-voltage cable is not easily deformed and has high structural strength. The insulation filling is made of polyurethane foam material, which improves the insulation effect and avoids Cables are frozen during low temperature weather.

Preferably, the insulating layer is made of cross-linked polyethylene material, and the thickness of the insulating layer is 2-3 mm.

Through the above technical solution, an insulation layer is provided to improve the insulation effect.

Preferably, the flame retardant filling is made of polystyrene particles, and the shielding tape is made of metal foil.

Through the above technical solution, the flame-retardant filling is made of polystyrene particles, which has low thermal conductivity and good flame-retardant properties. It provides insulation support and fire protection in the center of the cable, and the shielding tape is made of metal foil, which can effectively The ground shields electromagnetic interference and provides better electrical grounding performance.

Compared with the existing technology, this utility model provides a new type of high-voltage cable, which has the following beneficial effects:

1. This new type of high-voltage cable is equipped with a wear-resistant layer made of polyvinyl chloride material, which has good wear resistance and chemical corrosion resistance and can protect the internal structure. It is equipped with an anti-corrosion layer with a triangular cross-sectional structure. layer, which improves the structural strength of high-voltage cables. The anti-corrosion layer is made of cross-linked polyethylene material, which has high heat resistance and wear resistance, is more durable, and also has good fire protection properties.

2. This new type of high-voltage cable is equipped with a reinforcement layer in a mesh structure, which has high structural strength and improves the support effect. The high-voltage cable is not easy to deform and has high structural strength. The insulation filling is made of polyurethane foam material, which improves the insulation effect. , to prevent the cable from freezing in low-temperature weather. The flame-retardant filling is made of polystyrene particles, which has low thermal conductivity and good flame-retardant properties. It provides insulation support and fire protection in the center of the cable. The shielding tape is made of metal foil. It can effectively shield electromagnetic interference and provide better electrical grounding performance.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic diagram of the three-dimensional half-section structure of the utility model;

Figure 3 is a schematic diagram of the disassembled structure of the utility model;

Figure 4 is a schematic cross-sectional structural diagram of the utility model.

Among them: 1. Wear-resistant layer; 2. Anti-corrosion layer; 3. Reinforcement layer; 4. Insulation filling; 5. Insulating layer; 6. Flame-retardant filling; 7. Shielding tape; 8. Insulating sleeve and battery core.

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.

Example 1:

As shown in Figures 1-4, a new type of high-voltage cable provided by the utility model includes a wear-resistant layer 1. An anti-corrosion layer 2 is provided inside the wear-resistant layer 1, and a reinforcement layer 3 is provided inside the anti-corrosion layer 2. , the outside of the reinforcement layer 3 is filled with thermal insulation filling 4, the interior of the reinforcement layer 3 is provided with an insulation layer 5, the interior of the insulation layer 5 is filled with flame retardant filling 6, the interior of the insulation layer 5 is provided with a plurality of shielding tapes 7, the shielding tapes The interior of 7 is provided with an insulating sleeve and a battery core 8 .

The new high-voltage cable has a reasonable structure. It is equipped with a wear-resistant layer 1 made of polyvinyl chloride material, which has good wear resistance and chemical corrosion resistance and can protect the internal structure. It is equipped with a triangular cross-section protective layer. The corrosion layer 2 improves the structural strength of the high-voltage cable. The anti-corrosion layer 2 is made of cross-linked polyethylene material, which has high heat resistance and wear resistance, is relatively durable, and has good fire resistance.

Specifically, the wear-resistant layer 1 is made of polyvinyl chloride material, and the thickness of the wear-resistant layer 1 is 2-3 mm. The advantage is that the wear-resistant layer 1 made of polyvinyl chloride material has good wear resistance and chemical corrosion resistance and can protect the internal structure.

Specifically, the cross-sectional shape of the anti-corrosion layer 2 is a triangular structure, and the anti-corrosion layer 2 is made of cross-linked polyethylene material. The advantage is that the anti-corrosion layer 2 with a triangular cross-sectional structure is provided, which improves the structural strength of the high-voltage cable. The anti-corrosion layer 2 is made of cross-linked polyethylene material, which has high heat resistance and wear resistance, and is relatively Durable and also has good fire resistance.

Specifically, the outer side of the reinforcement layer 3 has a mesh structure, the reinforcement layer 3 is made of rigid polyurethane material, and the insulation filling 4 is made of polyurethane foam material. The advantage is that a reinforcement layer 3 with a mesh structure is provided, which has high structural strength and improves the support effect. The high-voltage cable is not easily deformed and has high structural strength. The thermal insulation filling 4 is made of polyurethane foam material, which improves the thermal insulation effect and avoids Cables are frozen during low temperature weather.

Example 2:

As shown in Figure 2-4, as an improvement on the previous embodiment.

Specifically, the insulating layer 5 is made of cross-linked polyethylene material, and the thickness of the insulating layer 5 is 2-3 mm. The advantage is that the insulation layer 5 is provided to improve the insulation effect.

Specifically, the flame retardant filling 6 is made of polystyrene particles, and the shielding tape 7 is made of metal foil. The advantage is that the flame-retardant filling 6 is made of polystyrene particles, which has low thermal conductivity and good flame-retardant properties, providing insulation support and fire protection in the center of the cable, and the shielding tape 7 is made of metal foil, which can effectively The ground shields electromagnetic interference and provides better electrical grounding performance.

Working principle: The high-voltage cable is equipped with a wear-resistant layer 1 made of polyvinyl chloride material, which has good wear resistance and chemical corrosion resistance and can protect the internal structure. An anti-corrosion layer with a triangular cross-sectional shape is installed. 2. The structural strength of the high-voltage cable is improved. The anti-corrosion layer 2 is made of cross-linked polyethylene material, which has high heat resistance and wear resistance, is more durable, and also has good fire resistance. It is set in a mesh shape. The reinforcement layer 3 of the structure has high structural strength, which improves the support effect. The high-voltage cable is not easy to deform and has high structural strength. The insulation filling 4 is made of polyurethane foam material, which improves the insulation effect and prevents the cable from being frozen and blocked in low temperature weather. The fire filling 6 is made of polystyrene particles, which has low thermal conductivity and good flame retardant properties, providing insulation support and fire protection in the center of the cable. The shielding tape 7 is made of metal foil, which can effectively shield electromagnetic interference. , and provide better electrical grounding performance.

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. A new type of high-voltage cable, including a wear-resistant layer (1), characterized in that: an anti-corrosion layer (2) is provided inside the wear-resistant layer (1), and an anti-corrosion layer (2) is provided inside the anti-corrosion layer (2). A reinforcement layer (3) is provided, the outside of the reinforcement layer (3) is filled with thermal insulation filling (4), the interior of the reinforcement layer (3) is provided with an insulating layer (5), and the insulation layer (5) The interior is filled with flame retardant filling (6), a plurality of shielding strips (7) are provided inside the insulation layer (5), and an insulation sleeve and a battery core (8) are provided inside the shielding strip (7). 2. A new type of high-voltage cable according to claim 1, characterized in that: the wear-resistant layer (1) is made of polyvinyl chloride material, and the thickness of the wear-resistant layer (1) is 2-3 mm. 3. A new type of high-voltage cable according to claim 1, characterized in that the cross-section shape of the anti-corrosion layer (2) is a triangular structure, and the anti-corrosion layer (2) is made of cross-linked polyethylene material. 4. A new type of high-voltage cable according to claim 1, characterized in that: the outer side of the reinforcement layer (3) has a mesh structure, and the reinforcement layer (3) is made of rigid polyurethane material. The thermal insulation filling (4) is made of polyurethane foam material. 5. A new type of high-voltage cable according to claim 1, characterized in that: the insulation layer (5) is made of cross-linked polyethylene material, and the thickness of the insulation layer (5) is 2-3 mm. 6. A new type of high-voltage cable according to claim 1, characterized in that: the flame-retardant filling (6) is made of polystyrene particles, and the shielding tape (7) is made of metal foil.