CN217588449U

CN217588449U - Explosion-proof flexible computer cable

Info

Publication number: CN217588449U
Application number: CN202221269967.6U
Authority: CN
Inventors: 赵万富
Original assignee: Jiangsu Tc Smart Systems Group Co ltd
Current assignee: Jiangsu Tiancheng Intelligent Group Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-10-14
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses an explosion-proof flexible computer cable, which comprises several groups of cable pairs, each group of cable pairs includes two cable cores, and each cable core includes a plurality of stranded conductors and cables for wrapping In the insulating layer of the covered conductor, the two cable cores are correspondingly twisted into an integral cable pair, and the outside is covered with a cabling layer; after several groups of cable pairs are twisted, the outside is covered with an internal shielding layer, and the inner shielding layer is The outside is correspondingly covered with an external shielding layer, and the outside of the external shielding layer is correspondingly covered with an outer sheath. The conductor of the cable of the utility model is composed of multiple strands of fine tinned soft copper wires with a purity of 99.96%, which increases the flexibility of the conductor and the anti-oxidation performance, and is easy to weld and process; The sub-section diameter ratio is composed of cables, and the flexibility is high, and the number of cable pairs is specifically set, and the minimum bending radius can reach 6 times the cable diameter.

Description

Explosion-proof flexible computer cable

Technical Field

The utility model relates to a high fire-retardant fireproof cable equipment field, specific explosion-proof flexible computer cable that says so.

Background

In the prior art, an explosion-proof flexible cable which is better suitable for the transmission performance of a computer is needed to be used in occasions with dangers such as petroleum, chemical engineering, electric power, gas engineering, mines and the like and other occasions with higher requirements on explosion-proof safety, so that the transmission control capability of the computer is improved.

For example: publication (bulletin) No.: CN107785113A discloses an explosion-proof heat dissipation type computer cable, which comprises a cable core, wherein the cable core is formed by pair twisting a pair of insulated wire cores; the cable comprises a cable core, a high-flame-retardant three-low-smoke halogen-free flame-retardant environment-friendly explosion-proof sheath layer, a glass fiber belt, an inorganic heat-insulating fireproof layer, a steel belt shielding layer, a halogen-free flame-retardant polyethylene braided belt, an elastic buffer layer and a high-flame-retardant three-low-smoke halogen-free flame-retardant environment-friendly sheath layer, wherein the cable core is filled with the glass fiber belt; and a diversion copper alloy hose filled with water-cooling liquid is arranged at the cable core filling position.

The technical scheme has the characteristics of explosion prevention, flame retardance, heat dissipation, electromagnetic interference resistance and the like, and the cable is simple in structure, stable in signal transmission, outstanding in electromagnetic interference resistance and capable of stably running for a long time in severe environment.

However, the technical scheme has no low-capacitance and low-inductance distributed characteristic, and has no excellent shielding performance and anti-interference performance, and is not ideal for the information transmission capability of a computer; therefore, in order to solve the above problems, it is necessary to develop an explosion-proof flexible computer cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion-proof flexible computer cable to the not enough of prior art existence, has the fire-resistant assurance of inside and outside bilayer.

The technical scheme is as follows: the utility model solves the problems that the adopted technical scheme is that: an explosion-proof flexible computer cable comprises a plurality of groups of cable wire pairs, wherein each group of cable wire pairs comprises two cable cores, each cable core comprises a plurality of twisted conductors and an insulating layer for coating the conductors, the two cable cores are correspondingly twisted into an integral cable wire pair, and a cabling layer is coated outside the integral cable wire pair; the cable conductor of a plurality of groups is to the outside cladding after the transposition has inside shielding layer, and the outside of this inside shielding layer again the corresponding cladding has outside shielding layer, and the outside of this outside shielding layer again the corresponding cladding has the oversheath.

Preferably, the number of the cable pairs is 2-24, and each cable pair is cabled with a small pitch-diameter ratio; the device is used for high-performance ignition, 2-24 pairs of the devices are arranged inside the device, and small-pitch-diameter-ratio cabling is adopted, so that the flexibility of the whole cable can be guaranteed.

Preferably, the number of the cable pairs is 7; the cable conductor of this device is provided with comparatively suitable 7 totally for whole cable has better external diameter size.

Preferably, a plurality of conductors are arranged in each insulating layer; the conductor material is set into a thin tin-plated soft copper wire; the conductor of the device is provided with a root conductor and is composed of 99.96% of thin tinned annealed copper wires, so that the softness and the oxidation resistance of the conductor are improved.

Preferably, the insulating layer is made of low-density polyethylene material; the insulating layer of the device adopts low-density polyethylene material to reduce the capacitance and inductance between the cable pairs.

Preferably, the inner shielding layer is an aluminum tape shielding layer, and the outer shielding layer is a braided tape shielding layer; this device uses inside and outside double-deck shielding structure, the shielding performance of effectual increase cable.

Preferably, the outer sheath is made of polyurethane material and can withstand the temperature of-40-120 ℃; the outer sheath is made of polyurethane materials, so that the cable is guaranteed to be resistant to severe environment and can normally run in the environment of-40-120 ℃.

Has the advantages that: compared with the prior art, the utility model, have following advantage:

(1) The conductor of the cable of the utility model is composed of a plurality of strands of thin tinned soft copper wires with the purity of 99.96 percent, the softness and the oxidation resistance of the conductor are increased, and the welding processing is easy;

2) The conductors of the cable are provided with a plurality of groups of cable pairs, the cable pairs are formed by cabling with small diameter ratio, the flexibility is high, and the number of the cable pairs is specifically set, and the minimum bending radius can reach 6 times of the diameter of the cable;

3) The insulating layer of the cable adopts the low-density polyethylene to reduce the capacitance and the inductance between the line pairs, and has the characteristics of low capacitance and low inductance;

4) The utility model adopts double-layer shielding layer, the shielding efficiency is high, the oxidation resistance of the conductor and the shielding layer is strong, and the information transmission function of the computer can be effectively improved;

5) The outer sheath of the cable adopts polyurethane material, ensures the cable to resist severe environment, can normally run under the environment of-40 ℃ to 120 ℃, and has very good capability of resisting severe environment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, an explosion-proof flexible computer cable comprises a plurality of groups of cable pairs 1, wherein each group of cable pairs 1 comprises two cable cores, each cable core comprises a plurality of twisted conductors 2 and an insulating layer 3 for coating the conductors 2, the two cable cores are correspondingly twisted into an integral cable pair 1, and a cabling layer 4 is coated outside the integral cable pair 1; after being twisted, a plurality of groups of cable wire pairs 1 are externally coated with an internal shielding layer 5, the external part of the internal shielding layer 5 is correspondingly coated with an external shielding layer 6, and the external part of the external shielding layer 6 is correspondingly coated with an outer sheath 7.

2-24 cable pairs are arranged in the cable pair 1, and each cable pair is formed by a small pitch-diameter ratio cable; the device is used for high-performance ignition, 2-24 pairs of the devices are arranged inside the device, and small-pitch-diameter-ratio cabling is adopted, so that the flexibility of the whole cable can be guaranteed.

The number of the cable pairs 1 is 7; the number of the cables of the device is 7, and the cables have better outer diameter; a total of 7 conductors 2 are arranged in each insulating layer 3; the material of the conductor 2 is set to be a thin tin-plated soft copper wire; the conductor of this device is provided with 7 conductors to all set up to 99.96% thin tinned annealed copper line and constitute, increased conductor compliance and oxidation resistance.

The insulating layer 3 is made of low-density polyethylene material; the insulating layer of the device adopts low-density polyethylene material, so that the capacitance and inductance between cable wire pairs can be reduced, and the information transmission capability is improved.

The inner shielding layer 5 is an aluminum strip shielding layer, and the outer shielding layer 6 is a braided strip shielding layer; this device uses inside and outside double-deck shielding structure, and the shielding performance of effectual increase cable through shielding external signal, can effectual improvement computer's information transmission ability.

The outer sheath 7 is made of polyurethane material and can endure the temperature of minus 40 ℃ to 120 ℃; the outer sheath is made of polyurethane material, so that the cable can resist severe environment and can normally run at-40-120 ℃.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.

Claims

1. An explosion-proof flexible computer cable, characterized in that: it comprises several groups of cable pairs (1), the interior of each group of cable pairs (1) includes two cable cores, and each cable core includes several twisted wires. The combined conductor (2) and the insulating layer (3) for covering the conductor (2), the two cable cores are correspondingly twisted into an integral cable pair (1), and the outer layer is covered with a cabling layer (4); After several groups of cable pairs (1) are twisted, an inner shielding layer (5) is coated on the outside, and the outside of the inner shielding layer (5) is correspondingly coated with an outer shielding layer (6). The outer shielding layer (6) ) is correspondingly covered with an outer sheath (7).

2 . The explosion-proof flexible computer cable according to claim 1 , wherein 2-24 of the cable pairs ( 1 ) are arranged in total, and each pair is cabled with a small pitch-diameter ratio. 3 .

3. An explosion-proof flexible computer cable according to claim 2, characterized in that: there are 7 said cable pairs (1) in total.

4. An explosion-proof flexible computer cable according to claim 1, characterized in that: each insulating layer (3) is provided with a total of 7 conductors (2); and the material of the conductor (2) is set to be thin Tinned soft copper wire.

5 . The explosion-proof flexible computer cable according to claim 1 , wherein the insulating layer ( 3 ) is made of low-density polyethylene material. 6 .

6. An explosion-proof flexible computer cable according to claim 1, characterized in that: the inner shielding layer (5) is arranged as an aluminum tape shielding layer, and the outer shielding layer (6) is arranged as a braided tape shielding layer Floor.

7 . The explosion-proof flexible computer cable according to claim 1 , wherein the outer sheath ( 7 ) is made of polyurethane material, and the temperature resistance is -40°C to 120°C. 8 .