CN217640774U - High-voltage cable in automobile - Google Patents

Abstract

The utility model discloses a high tension cable in car, including sinle silk conductor, insulating layer, shielding layer and the inoxidizing coating that from interior to exterior set gradually, sinle silk conductor includes the zinc-plated copper conductor on the fibre rope circumferencial direction including a plurality of equipartitions set up, an organic whole transposition is connected between interior fibre rope and a plurality of zinc-plated copper conductor, spiral winding sets up outer fibre rope on the shielding layer, and the cladding sets up the inoxidizing coating on the outer fibre rope. By adopting the technical scheme, the cable in the vehicle is provided with the inner fiber rope and the outer fiber rope, so that the bending use performance of the cable is improved, the stability of the cable in the vehicle for long-time use can be ensured, and the service life of the cable in the vehicle is prolonged.

Description

High-voltage cable in automobile

Technical Field

The utility model relates to the technical field of cables, concretely relates to high tension cable in car.

Background

In modern automobiles, there are many automobile cable harnesses, which are network bodies of automobile circuits and connect and function with electric and electronic parts of automobiles, and the automobile cable harnesses are used to ensure both transmission of electric signals and reliability of the connected circuits, supply prescribed current values to the electric and electronic parts, prevent electromagnetic interference with surrounding circuits, and eliminate short circuits of electric appliances.

Different types and quantity of automobile cable harness are installed inside the automobile, and because of the narrow and small installation space inside the automobile, the automobile cable harness should satisfy the flexibility of buckling, and the current automobile cable harness from inside to outside generally is that sinle silk conductor, insulating layer, shielding layer and inoxidizing coating constitute, causes sinle silk conductor and shielding layer to buckle the damage easily when buckling automobile cable harness, influences the security of installing and using automobile cable harness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tension cable in car for solve the problem that car cable harness of buckling caused sinle silk conductor and shielding layer damage.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a high tension cable in car, includes sinle silk conductor, insulating layer, shielding layer and the inoxidizing coating that from interior to exterior set gradually, sinle silk conductor includes that a plurality of equipartitions set up the zinc-plated copper conductor on the internal fiber rope circumferencial direction, an organic whole transposition is connected between internal fiber rope and a plurality of zinc-plated copper conductor, spiral winding sets up outer fiber rope on the shielding layer, and the cladding sets up the inoxidizing coating on the outer fiber rope.

As a further aspect of the present invention: and a gap between the core conductor and the insulating layer is filled with a flame-retardant material.

As a further aspect of the present invention: the insulating layer is an ethylene-tetrafluoroethylene copolymer material layer.

As a further aspect of the present invention: the flame-retardant material is an asbestos inorganic filler.

As a further aspect of the present invention: the shielding layer is an aluminum-plastic composite belt.

As a further aspect of the present invention: the inner fiber rope and the outer fiber rope are aramid synthetic fiber ropes

As a further aspect of the present invention: and the outer surface of the protective layer is coated with a woven silica gel layer.

As a further aspect of the present invention: the protective layer is a cross-linked polyethylene material layer.

The utility model has the advantages that:

(1) The inner fiber ropes are integrally stranded and connected at the central positions of the galvanized copper conductors, so that the weight is light, the tensile resistance is good, the tensile resistance of the core conductor is enhanced, the flexibility of the core conductor is improved, and the core conductor is prevented from being damaged due to bending of a cable harness;

(2) The outer fiber rope is wound on the shielding layer, so that the tensile resistance of the shielding layer is enhanced, the flexibility of the shielding layer is improved, and the damage to the shielding layer caused by bending a cable harness is avoided;

(3) The cable is through setting up interior fibre rope and outer fibre rope in the car, improves the performance of buckling of cable, can guarantee the stability of the long-time use of cable in the car, has improved the life of cable in the car.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic diagram of the fiber rope wound on the shielding layer of the present invention.

In the figure: 100. a core conductor; 200. an insulating layer; 300. a shielding layer; 400. a protective layer; 500. an inner fiber rope; 600. a flame retardant material; 700. an outer fiber rope; 800. and (5) weaving a silica gel layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model relates to a high tension cable in car, including sinle silk conductor 100 that sets gradually from interior to exterior, insulating layer 200, shielding layer 300 and inoxidizing coating 400, sinle silk conductor 100 includes that a plurality of equipartitions set up the zinc-plated copper conductor on the 500 circumferencial directions of internal fiber rope, internal fiber rope 500 and a plurality of zinc-plated copper conductor between integrative transposition connection, a plurality of zinc-plated copper conductors that make the transposition together can reduce the external diameter of cable harness, make cable harness bulk material weight reduce, and a plurality of zinc-plated copper conductor resistance that the transposition is together is little, the current-carrying is big, copper conductor surface plays anticorrosive protection.

And a plurality of galvanized copper conductor central point department sets up interior cordage 500 in the transposition process, and interior cordage 500 is aramid fiber synthetic fiber rope, has the quality light, and the pull resistance is good, has strengthened sinle silk conductor 100's stretching resistance, has promoted sinle silk conductor 100's compliance, and helps avoiding buckling cable harness and causes sinle silk conductor 100 to damage.

The gap between the core conductor 100 and the insulating layer 200 is filled with the flame retardant material 600, the core conductor 100 is electrified to generate a large amount of heat, and the flame retardant material 600 is an asbestos inorganic filler, has the heat storage, heat conduction and cooling performances, and plays a role in flame retardant protection of the core conductor 100.

The insulating layer 200 is an ethylene-tetrafluoroethylene copolymer material layer, so that the insulating layer 200 has good heat resistance, chemical resistance and electrical insulation properties, and radiation resistance and mechanical properties are greatly improved.

The shielding layer 300 is wound on the insulating layer 200 in a wrapping mode, the outer fiber rope 700 is spirally wound on the shielding layer 300, the shielding layer 300 is an aluminum-plastic composite tape, interference of an electromagnetic field generated by the shielding layer in the use process of a cable harness to the surrounding environment and the effect of passing fault current are prevented, and the shielding layer 300 mainly has the effect of resisting external electromagnetic interference; outer fiber rope 700 that the winding set up on shielding layer 300 is aramid synthetic fiber rope, has strengthened shielding layer 300's stretching resistance, has promoted shielding layer 300's compliance, and helps avoiding buckling the cable harness and causes shielding layer 300 damage.

By coating the protective layer 400 on the outer fiber rope 700, the protective layer 400 is a crosslinked polyethylene material layer, vinyl groups of silane are grafted with polyethylene under the action of an initiator such as peroxide to generate a polymer containing trimethyl silane groups, silanol groups are formed after hydrolysis, and then crosslinking action is generated through polycondensation of the silanol groups to generate crosslinked polyethylene, so that the protective layer 400 has pressure resistance, corrosion resistance and heat insulation properties, and the protective layer 400 is not easily brittle when bent.

The outer surface of the protective layer 400 is covered with the woven silica gel layer 800, and the woven silica gel layer 800 has the performances of fracture resistance, kink resistance, durability and strong pressure bearing capacity, and can be used for reinforcing bending protection of the protective layer 400.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (8)

1. The utility model provides a high tension cable in car, includes sinle silk conductor (100), insulating layer (200), shielding layer (300) and inoxidizing coating (400) that from interior to exterior set gradually, a serial communication port, sinle silk conductor (100) set up including a plurality of equipartitions zinc-plated copper conductor on in sinle silk rope (500) circumferencial direction, integrative transposition is connected between interior sinle silk rope (500) and a plurality of zinc-plated copper conductor, spiral winding sets up outer fibre rope (700) on shielding layer (300), and the cladding sets up inoxidizing coating (400) on outer fibre rope (700).

2. The high-voltage cable for the interior of the automobile according to claim 1, wherein a gap between the core conductor (100) and the insulating layer (200) is filled with a flame retardant material (600).

3. The automotive high-voltage cable according to claim 2, wherein the insulating layer (200) is a layer of ethylene-tetrafluoroethylene copolymer material.

4. The automotive high-voltage cable according to claim 2, wherein the flame retardant material (600) is an asbestos inorganic filler.

5. The automotive high-voltage cable according to claim 1, wherein the shielding layer (300) is an aluminum-plastic composite tape.

6. The high-voltage cable for the automobile interior according to claim 1, wherein the inner fiber rope (500) and the outer fiber rope (700) are aramid synthetic fiber ropes.

7. The high-voltage cable for the automobile interior according to claim 1, wherein a braided silica gel layer (800) is coated on the outer surface of the protective layer (400).

8. The automotive high-voltage cable according to claim 7, wherein the protective layer (400) is a cross-linked polyethylene material layer.

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