CN215988159U

CN215988159U - Computer shielded cable for intrinsically safe circuit

Info

Publication number: CN215988159U
Application number: CN202121868960.1U
Authority: CN
Inventors: 徐法安
Original assignee: Anhui Kangsheng Electric Group Co ltd
Current assignee: Anhui Kangsheng Electric Group Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-08
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a computer shielded cable for intrinsic safety circuit, which comprises an outer layer, wherein an isolation layer is fixedly arranged in the outer layer, a shielding steel band is arranged between the outer layer and the isolation layer, the inner wall of the isolation layer is fixedly provided with a shielding layer, the inner part of the shielding layer is fixedly provided with a matching layer, the inner wall of the shielding layer and the outer surface of the matching layer form an inner cavity, the inner part of the inner cavity is filled with filling materials, the inner wall of the matching layer is provided with an inner tube, the inner part of the inner tube is fixedly provided with a supporting outer layer, three end faces of the outer support layer are fixedly provided with extrusion layers, the inner part of the outer support layer is provided with an installation cavity, the cable-laying device is characterized in that combined pipes are arranged inside the mounting cavity, a cable-laying cavity is arranged inside the combined pipes, electric cores are arranged inside the cable-laying cavity, and a supporting inner layer is fixedly arranged on the inner wall of the supporting outer layer. The utility model enables the device to have the functions of water resistance and internal support strength improvement.

Description

Computer shielded cable for intrinsically safe circuit

Technical Field

The utility model relates to the technical field of telecommunication transmission, in particular to a computer shielded cable for an intrinsically safe circuit.

Background

The cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, ship cable, mine cable, aluminium alloy cable, etc. which are composed of single-strand or multi-strand conductor and insulating layer and are used for connecting circuit and electric equipment, and the cable is an electric energy or signal transmission device, usually made of one or more mutually insulated conductors and an outer insulating protective layer, and is used for transmitting electric energy or information from one place to another place.

However, when the existing cable is used, the internal transverse structure is weak, damage and skin leakage are easily caused after extrusion, and the strength of the cable is poor; thus, the existing need is not met, for which we propose a computer shielded cable for intrinsically safe circuits.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a computer shielding cable for an intrinsically safe circuit, which aims to solve the problems that the internal transverse structure of the cable provided by the background technology is weak, damage and skin leakage are easily caused after extrusion, the strength of the cable is poor and the like when the cable is used.

In order to achieve the purpose, the utility model provides the following technical scheme: a computer shielding cable for an intrinsically safe circuit comprises an outer layer, wherein an isolation layer is fixedly arranged in the outer layer, a shielding steel belt is arranged between the outer layer and the isolation layer, a shielding layer is fixedly arranged on the inner wall of the isolation layer, a matching layer is fixedly arranged in the shielding layer, an inner cavity is formed by the inner wall of the shielding layer and the outer surface of the matching layer, a filling material is filled in the inner cavity, an inner tube is arranged on the inner wall of the matching layer, a supporting outer layer is fixedly arranged in the inner tube, three end faces of the supporting outer layer are fixedly provided with extrusion layers, an installation cavity is arranged in the supporting outer layer, a combined tube is arranged in the installation cavity, a wire arranging cavity is arranged in the combined tube, electric cores are arranged in the wire arranging cavity, and a supporting inner layer is fixedly arranged on the inner wall of the supporting outer layer, and reinforcing belts are arranged on the inner wall of the outer support layer and the outer surface of the reinforcing belt.

Preferably, the shielding steel strip is made of copper, and the shielding steel strip is spirally wound on the outer surface of the isolation layer.

Preferably, the material of the extrusion layer is hard rubber, and the inner wall of the extrusion layer is completely attached to the outer surface of the outer support layer

Preferably, the material of the reinforcing belt is metal.

Preferably, the material of the filling material is expansive cement.

Preferably, the material of the matching layer is hard silica gel.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model arranges the electric cores in the wire arranging cavity, combines the wire arranging cavity into the sub-mounting cavity in order, places the supporting outer layer in the inner tube, places the three extrusion layers at the three end surfaces of the supporting outer layer, the shielding layer is attached to the outer surface of the matching layer, the filling material is filled in the filling material, the isolation layer is sleeved on the outer surface of the shielding layer, and the shielding steel band surrounds the outer surface of the isolation layer, and finally the outer layer is filled on the outer surfaces of the isolation layer and the shielding steel band to finish the installation, the supporting outer layer is matched with the reinforcing belt and the supporting inner layer, so that the section heavy-weight compression-resistant effect of the device can be realized, its triangle structure, the compressive capacity of improvement device that can show to and use with skin and shielding steel band cooperation, can realize resistance to compression and crack control function simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the outer support layer of the present invention.

In the figure: 1. an outer layer; 2. an isolation layer; 3. a shielding layer; 4. a matching layer; 5. an inner cavity; 6. a filler material; 7. an inner tube; 8. a support outer layer; 9. extruding the layer; 10. a mounting cavity; 11. a combination tube; 12. a wire arranging cavity; 13. an electric core; 14. a support inner layer; 15. a reinforcing band; 16. and (4) shielding the steel strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention includes: a computer shielding cable for intrinsically safe circuits comprises an outer layer 1, an isolation layer 2 is fixedly installed inside the outer layer 1, a shielding steel belt 16 is arranged between the outer layer 1 and the isolation layer 2, a shielding layer 3 is fixedly installed on the inner wall of the isolation layer 2, a matching layer 4 is fixedly installed inside the shielding layer 3, an inner cavity 5 is formed by the inner wall of the shielding layer 3 and the outer surface of the matching layer 4, a filling material 6 is filled inside the inner cavity 5, an inner tube 7 is arranged on the inner wall of the matching layer 4, a supporting outer layer 8 is fixedly installed inside the inner tube 7, extrusion layers 9 are fixedly installed on three end faces of the supporting outer layer 8, through the mechanism, the positioning effect of the device can be achieved, an installation cavity 10 is arranged inside the supporting outer layer 8, a combined tube 11 is arranged inside the installation cavity 10, a flat cable cavity 12 is arranged inside the combined tube 11, and an electric core 13 is arranged inside the flat cable cavity 12, the inner wall of the outer support layer 8 is fixedly provided with an inner support layer 14, the inner wall of the outer support layer 8 and the outer surface of the reinforcing belt 15 are provided with the reinforcing belt 15 in an arrangement mode, and the inner support layer can provide a cross-section pressure support function for the inside of the device.

Further, the shielding steel strip 16 is made of copper, and the shielding steel strip 16 is spirally wound on the outer surface of the isolation layer 2, so that the positioning effect of the device can be realized through the mechanism.

Further, the material of extrusion layer 9 is hard rubber, and the inner wall of extrusion layer 9 and the surface of supporting outer 8 are laminated completely, through this mechanism, can provide the support function for the outside of supporting outer 8.

Further, the material of the reinforcing band 15 is a metal material, and this mechanism can provide a cross-sectional pressure support function for the inside of the apparatus.

Further, the material of the filler 6 is expansive cement, and by this mechanism, the waterproof effect of the device can be achieved.

Further, the material of the matching layer 4 is hard silica gel, and through the mechanism, the functions of heat insulation and wide application range can be realized.

The working principle is as follows: when the device is installed, firstly, the electric cores 13 are arranged inside the wire arranging cavity 12, then the wire arranging cavity 12 is orderly combined with the inside of the sub-installation cavity 10, then the supporting outer layer 8 is placed inside the inner tube 7, the three extrusion layers 9 are placed at the three end faces of the supporting outer layer 8, the shielding layer 3 is attached to the outer surface of the matching layer 4, meanwhile, the filling material 6 is filled inside the filling material 6, the isolating layer 2 is sleeved on the outer surface of the shielding layer 3, the shielding steel belt 16 is wound on the outer surface of the isolating layer 2, finally, the outer layer 1 is filled on the outer surfaces of the isolating layer 2 and the shielding steel belt 16, the installation is completed, the cross-section heavy pressure resistant effect of the device can be realized through the matching of the supporting outer layer 8, the reinforcing belt 15 and the supporting inner layer 14, the triangular structure of the device can obviously improve the pressure resistant capability of the device, and the device is matched with the outer layer 1 and the shielding steel belt 16, can realize the functions of compression resistance and crack prevention at the same time.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A computer shielded cable for intrinsically safe circuits comprising an outer layer (1), characterized in that: the inner wall of the outer layer (1) is fixedly provided with an isolation layer (2), a shielding steel belt (16) is arranged between the outer layer (1) and the isolation layer (2), a shielding layer (3) is fixedly arranged on the inner wall of the isolation layer (2), a matching layer (4) is fixedly arranged on the inner part of the shielding layer (3), an inner cavity (5) is formed by the inner wall of the shielding layer (3) and the outer surface of the matching layer (4), a filling material (6) is filled in the inner cavity (5), an inner tube (7) is arranged on the inner wall of the matching layer (4), a supporting outer layer (8) is fixedly arranged on the inner part of the inner tube (7), extrusion layers (9) are fixedly arranged on three end faces of the supporting outer layer (8), an installation cavity (10) is arranged in the supporting outer layer (8), and a combined tube (11) is arranged in the installation cavity (10), the combined pipe is characterized in that a wire arranging cavity (12) is arranged inside the combined pipe (11), an electric core (13) is arranged inside the wire arranging cavity (12), a supporting inner layer (14) is fixedly arranged on the inner wall of the supporting outer layer (8), and reinforcing belts (15) are arranged on the inner wall of the supporting outer layer (8) and the outer surface of the reinforcing belts (15).

2. A computer shielded cable for intrinsically safe circuits according to claim 1, wherein: the shielding steel strip (16) is made of copper, and the shielding steel strip (16) is spirally wound on the outer surface of the isolation layer (2).

3. A computer shielded cable for intrinsically safe circuits according to claim 1, wherein: the material of extrusion layer (9) is hard rubber, the inner wall of extrusion layer (9) and the surface of supporting skin (8) are laminated completely.

4. A computer shielded cable for intrinsically safe circuits according to claim 1, wherein: the reinforcing belt (15) is made of metal.

5. A computer shielded cable for intrinsically safe circuits according to claim 1, wherein: the material of the filling material (6) is expansion cement.

6. A computer shielded cable for intrinsically safe circuits according to claim 1, wherein: the material of the matching layer (4) is hard silica gel.