CN214476497U

CN214476497U - Flat tensile shielded cable

Info

Publication number: CN214476497U
Application number: CN202120301324.4U
Authority: CN
Inventors: 张�浩; 王灿
Original assignee: Hefei Institutes of Physical Science of CAS
Current assignee: Hefei Institutes of Physical Science of CAS
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-22
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a platykurtic tensile shielded cable, including the sinle silk, the periphery of sinle silk has internal insulation layer, tensile fibrous layer, copper shield layer and outer insulating layer from interior to the cladding in proper order outward, is equipped with the support fossil fragments of two parallel symmetries in the internal insulation layer, and two support fossil fragments are located the both sides of sinle silk respectively. The utility model provides a platykurtic tensile shielded cable can be applied to various extreme operating modes, improves cable bearing capacity, ensures the stability of cable. Firstly, the support keel ensures the support property, the enhanced yield strength and the anti-shearing force of the cable; the inner insulating layer can ensure that the cable bears high temperature; the tensile fiber layer can enable the cable to bear tension; the copper shielding layer can shield interference signals; the outer insulating layer can effectively protect the cable from small thermal deformation, high mechanical strength at high temperature and good thermal aging resistance. Meanwhile, the shape of the cable is designed to be flat, compared with the conventional cylindrical shape, the occupied volume of the flat shape is smaller, and the cable has stronger applicability in a limited narrow space.

Description

Flat tensile shielded cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to platykurtic tensile shielded cable.

Background

Ordinary cables are often used for purposes such as power transmission, signal communication and the like, but when the cables are applied to the fields such as scientific research and the like, the requirements on the cables are higher and higher, for example, under extreme conditions such as a strong magnetic field, high-frequency vibration and the like, the ordinary cables cannot meet the requirements such as tensile strength, yield resistance, electromagnetic shielding resistance and the like, and are restricted by scientific research projects. When a 38T water-cooled magnet at the center of a strong magnetic field of a fertilizer material science research institute runs in a high field, a measurement signal wire of the magnet is often interfered by the strong magnetic field and broken due to the action of high-frequency vibration and magnetic field force, so that the experiment fails.

Disclosure of Invention

The utility model aims at providing a not enough to prior art, the utility model aims at providing a platykurtic tensile shielded cable, it has better electromagnetic shield effect when having good tensile properties, can be applied to various extreme operating modes, has improved cable bearing capacity, has ensured the stability of cable.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a platykurtic tensile shielded cable, includes the sinle silk, the periphery of sinle silk from interior to outer cladding in proper order has internal insulation layer, tensile fibrous layer, copper shield layer and external insulation layer, be equipped with the support fossil fragments of two parallel symmetries in the internal insulation layer, two support fossil fragments are located the both sides of sinle silk respectively.

As a preferred technical scheme, the wire core comprises a plurality of copper wires. Further preferably, the wire core further comprises a plurality of tensile fiber wires, and the tensile fiber wires and the copper wires are mutually wound. Through set up tensile cellosilk in the sinle silk, can further promote the tensile property of sinle silk, improve the holistic tensile effect of cable.

According to a preferable technical scheme, the inner insulating layer is made of polyvinyl chloride; the tensile fiber layer is made of polypropylene fibers; the outer insulating layer is made of cross-linked polyethylene; the supporting keel is made of nylon or rubber.

The utility model has the advantages that:

the utility model provides a platykurtic tensile shielded cable can be applied to various extreme operating modes, has improved cable bearing capacity, has ensured the stability of cable. The utility model has reasonable structure, firstly, the support keel ensures the support of the cable and bears the transverse yield stress and the longitudinal shearing force outside the cable; the inner insulating layer made of the polyvinyl chloride high-flame-retardant material can ensure that the cable can bear high temperature; the tensile fiber layer can enable the cable to bear tension; the copper shielding layer can shield interference signals, and compared with a conventional steel shielding layer, the copper shielding layer has good electromagnetic shielding resistance, good toughness and better tensile effect; the external crosslinked polyethylene outer insulating layer can effectively protect the cable from small thermal deformation, high mechanical strength at high temperature and good thermal aging resistance. Meanwhile, the cable is designed to be flat, and compared with the conventional cylindrical cable, the flat cable occupies a smaller volume, and has stronger applicability in a limited narrow space (such as a gap, a hinge of a cabinet body, a joint part of a mechanical arm and the like).

Drawings

FIG. 1 is a schematic cross-sectional view of a flat tensile shielded cable;

reference numerals: 1-wire core, 2-inner insulating layer, 3-tensile fiber layer, 4-copper shielding layer, 5-outer insulating layer and 6-supporting keel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, a flat tensile shielded cable includes a core, and the core includes a plurality of copper wires. Preferably, the wire core further comprises a plurality of tensile fiber wires, and the tensile fiber wires and the copper wires are mutually wound. Through set up tensile cellosilk in the sinle silk, can further promote the tensile property of sinle silk, improve the holistic tensile effect of cable. The periphery of sinle silk from interior to the cladding in proper order has internal insulation layer, tensile fibre layer, copper shield layer and external insulation layer, is equipped with the support fossil fragments of two parallel symmetries in the internal insulation layer, and two support fossil fragments are located the both sides of sinle silk respectively.

In a preferred embodiment, the inner insulating layer is made of polyvinyl chloride, and the polyvinyl chloride is a high flame retardant material, so that the cable can bear high temperature while having an insulating effect. The copper shielding layer can shield interference signals. The tensile fiber layer is made of polypropylene fibers, and the polypropylene fibers are good in tensile resistance and toughness, so that the cable can bear tensile force. The material of the outer insulating layer is crosslinked polyethylene. The outer insulating layer made of the cross-linked polyethylene material can effectively protect the cable from small thermal deformation, high mechanical strength at high temperature and good thermal aging resistance. The support keel is made of nylon or rubber, and the support keel ensures the support of the cable and bears the transverse yield stress and the longitudinal shearing force outside the cable.

The utility model provides a platykurtic tensile shielded cable can be applied to various extreme operating modes, has improved cable bearing capacity, has ensured the stability of cable. Meanwhile, the shape of the cable is designed to be flat, compared with the conventional cylindrical shape, the occupied volume of the flat cable is smaller, and the cable has stronger applicability in a limited narrow space.

Claims

1. A flat tensile shielded cable which characterized in that: including the sinle silk, the periphery of sinle silk from interior to outer cladding in proper order has internal insulation layer, tensile fibre layer, copper shield layer and external insulation layer, be equipped with the support fossil fragments of two parallel symmetries in the internal insulation layer, two support fossil fragments are located the both sides of sinle silk respectively.

2. The flat tensile-shielded cable according to claim 1, wherein: the core comprises a plurality of copper wires.

3. The flat tensile-shielded cable according to claim 2, wherein: the sinle silk still includes many tensile cellosilks, tensile cellosilk and copper wire intertwine.

4. The flat tension-resistant shielded cable according to claim 2 or 3, wherein: the inner insulating layer is made of polyvinyl chloride.

5. The flat tensile-shielded cable according to claim 4, wherein: the tensile fiber layer is made of polypropylene fibers.

6. The flat tensile-shielded cable according to claim 5, wherein: the outer insulating layer is made of cross-linked polyethylene.

7. The flat tensile-shielded cable according to claim 6, wherein: the supporting keel is made of nylon or rubber.