CN209729567U - A kind of intrinsicallysafecircuit explosion-proof electronic computer cable - Google Patents

Abstract

The utility model discloses a kind of intrinsicallysafecircuit explosion-proof electronic computer cables of technical field of communication equipment, including protective case and conducting wire, the protective case includes outer tube, link block, inner tube and copper work out shielded layer, the outer tube is socketed on the outside of said inner tube, it is connected between the outer tube and said inner tube by the link block, a cushion chamber is formed between the outer tube and said inner tube, lateral wall welding of the both ends of the link block respectively with the inner sidewall of the outer tube and said inner tube is fixed, said inner tube is placed on the lateral wall of the copper establishment shielded layer, the inside of the copper establishment shielded layer is filled with non-woven fabrics；The setting of intrinsicallysafecircuit explosion-proof electronic computer cable; it is reasonable in design; protective case is installed in the outside of conducting wire; cushion chamber is formed between outer tube and inner tube in protective case; cushion chamber is for buffering the impact force of explosion time; prevent cable from exploding, to improve the safety that cable uses.

Description

A kind of intrinsicallysafecircuit explosion-proof electronic computer cable

Technical field

The utility model relates to technical field of communication equipment, specially a kind of intrinsicallysafecircuit explosion-proof electronic computer Cable.

Background technique

It is made of the conductor and external insulating protective layer of one or more mutually insulated, electric power or information is transmitted from one To the conducting wire at another place.Existing cable there is a problem of one it is serious be exactly use when cable explosion-proof it is poor, from And it will affect the safety of cable.

Utility model content

The purpose of this utility model is to provide a kind of intrinsicallysafecircuit explosion-proof electronic computer cables, on solving State the cable that is proposed in background technique use when cable explosion-proof it is poor, to will affect asking for the safety of cable Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of intrinsicallysafecircuit explosion-proof electronic Computer cable, including protective case and conducting wire, the protective case includes that outer tube, link block, inner tube and copper work out shielded layer, described Outer tube is socketed on the outside of said inner tube, is connected between the outer tube and said inner tube by the link block, the outer tube with Form a cushion chamber between said inner tube, the both ends of the link block are outer with the inner sidewall of the outer tube and said inner tube respectively Side wall welding is fixed, and said inner tube is placed on the lateral wall of the copper establishment shielded layer, the inside filling of the copper establishment shielded layer There is non-woven fabrics, multiple conducting wires are installed in the inner cavity of the copper establishment shielded layer, annular spread is presented in multiple conducting wires, The conducting wire includes that copper core, polyethylene pipe, pair twist group wrapping layer and pair twist group shielded layer, the polyethylene pipe are placed on the copper core Outside, the pair twist group wrapping layer is placed on the outside of the polyethylene pipe, and the pair twist group shielded layer is placed on the pair twist group The outside of wrapping layer.

Preferably, the quantity of the conducting wire is four, and annular spread is presented in four conducting wires.

Preferably, the centre of the ring structure of four conducting wire compositions is hollow structure, grafting in the hollow structure There is reinforcing rib.

Preferably, the quantity of the link block is eight, and ring is presented in the lateral wall of said inner tube in eight link blocks Shape is angularly distributed.

Compared with prior art, the utility model has the beneficial effects that intrinsicallysafecircuit explosion-proof electronic computer The setting of cable, it is reasonable in design, protective case is installed in the outside of conducting wire, is formed between the outer tube and inner tube in protective case Cushion chamber, cushion chamber prevent cable from exploding, for buffering to the impact force of explosion time to improve the peace that cable uses Entirely.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model conductor structure schematic diagram.

In figure: protective case 100, outer tube 110, link block 120, inner tube 130, copper work out shielded layer 140, and non-woven fabrics 141 is led Line 200, copper core 210, polyethylene pipe 220, pair twist group wrapping layer 230, pair twist group shielded layer 240, reinforcing rib 300.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of intrinsicallysafecircuit explosion-proof electronic computer cable, for improving the explosion-proof of cable Property, it ensures the safety that cable uses, referring to FIG. 1-2, includes protective case 100 and conducting wire 200.

Referring again to Fig. 1, protective case 100 includes that outer tube 110, link block 120, inner tube 130 and copper work out shielded layer 140, Outer tube 110 is socketed on the outside of inner tube 130, is connected between outer tube 110 and inner tube 130 by link block 120, outer tube 110 with it is interior A cushion chamber is formed between pipe 130, the both ends of link block 120 are molten with the inner sidewall of outer tube 110 and the lateral wall of inner tube 130 respectively Fixation is connect, inner tube 130 is placed on the lateral wall of copper establishment shielded layer 140, and the inside that copper works out shielded layer 140 is filled with non-woven fabrics 141, protective case 100 prevents conducting wire 200 from leaking electricity, outer tube 110 and inner tube 130 form for conducting wire 200 to be isolated from the outside One blast resistance construction, for preventing the explosion of cable, to improve the safety that cable uses, outer tube 110, link block 120, inner tube 130 materials used are polyethylene, and the material that copper establishment shielded layer 140 uses is copper wire.

Referring again to Fig. 1-2, multiple conducting wires 200 are mounted in the inner cavity of copper establishment shielded layer 140, and multiple conducting wires 200 are in Existing annular spread, conducting wire 200 include copper core 210, polyethylene pipe 220, pair twist group wrapping layer 230 and pair twist group shielded layer 240, are gathered Ethylene tube 220 is placed on the outside of copper core 210, and pair twist group wrapping layer 230 is placed on the outside of polyethylene pipe 220, pair twist group shielded layer 240 are placed on the outside of pair twist group wrapping layer 230, and for conducting wire 200 for transmitting to electric power, the material that copper core 210 uses is pure Copper, the material that polyethylene pipe 220 uses are polyethylene.

Referring again to Fig. 1, in order to transmit to electric power, the quantity of conducting wire 200 is four, and ring is presented in four conducting wires 200 Shape distribution, four conducting wires 200 are used to improve the conveying capacity of electric power.

Referring again to Fig. 1, in order to improve the intensity of cable, the centre of the ring structure of four conducting wires 200 composition is hollow Structure is plugged with reinforcing rib 300 in hollow structure, and reinforcing rib 300 is used to improve the intensity of cable, keeps it not pliable, reinforces The material that muscle 300 uses is plastics.

Referring again to Fig. 1, in order to improve the stability of outer tube 110 and the connection of inner tube 130, the quantity of link block 120 is eight A, eight link blocks 120 are presented annular in the lateral wall of inner tube 130 and are angularly distributed, and link block 120 is used for firmly by outer tube 110 and inner tube 130 be linked together, the material that link block 120 uses be polyethylene.

Above-mentioned conducting wire 200, link block 120 are not limited in the particular number of the present embodiment record, the art people Member can according to need under the premise of the present apparatus can complete its raising cable explosion-proof function and increase or decrease its quantity.

Working principle: the both ends of cable are connect with electrical equipment respectively, will be electric after the copper core 210 inside cable is powered Power passes to electrical equipment, and due to that can have a small amount of gas inside cable, gas can explode under the electric arc of energization, and Cushion chamber between outer tube 110 and inner tube 130 has the function of expansion, and then can effectively delay to the impact force of explosion Punching, to ensure the normal operation of cable.

It is practical new not departing from this although hereinbefore the utility model is described by reference to embodiment In the case where the range of type, various improvement can be carried out to it and can replace component therein with equivalent.Especially, only Otherwise there are structural conflict, the various features in the utility model disclosed embodiment can be combined with each other by any way Get up to use, the description of exhaustive is not carried out merely for the sake of omission length and section to the case where these combinations in the present specification About resource the considerations of.Therefore, the utility model is not limited to specific embodiment disclosed herein, but wants including falling into right All technical solutions in the range of asking.

Claims (4)

1. a kind of intrinsicallysafecircuit explosion-proof electronic computer cable, it is characterised in that: including protective case (100) and conducting wire (200), the protective case (100) includes that outer tube (110), link block (120), inner tube (130) and copper work out shielded layer (140), The outer tube (110) is socketed on the outside of said inner tube (130), passes through institute between the outer tube (110) and said inner tube (130) Link block (120) connection is stated, forms a cushion chamber, the link block between the outer tube (110) and said inner tube (130) (120) lateral wall welding of the both ends respectively with the inner sidewall of the outer tube (110) and said inner tube (130) is fixed, described interior Pipe (130) is placed on the lateral wall of copper establishment shielded layer (140), and the inside of copper establishment shielded layer (140) is filled with nothing Woven fabric (141) is equipped with multiple conducting wires (200), multiple conducting wires in the inner cavity of copper establishment shielded layer (140) (200) annular spread is presented, the conducting wire (200) includes copper core (210), polyethylene pipe (220), pair twist group wrapping layer (230) With pair twist group shielded layer (240), the polyethylene pipe (220) is placed on the outside of the copper core (210), the pair twist group wrapping layer (230) it is placed on the outside of the polyethylene pipe (220), the pair twist group shielded layer (240) is placed on the pair twist group wrapping layer (230) outside.

2. a kind of intrinsicallysafecircuit explosion-proof electronic computer cable according to claim 1, it is characterised in that: described The quantity of conducting wire (200) is four, and annular spread is presented in four conducting wires (200).

3. a kind of intrinsicallysafecircuit explosion-proof electronic computer cable according to claim 1, it is characterised in that: four The centre of the ring structure of conducting wire (200) composition is hollow structure, is plugged with reinforcing rib (300) in the hollow structure.

4. a kind of intrinsicallysafecircuit explosion-proof electronic computer cable according to claim 1, it is characterised in that: described The quantity of link block (120) is eight, and annular etc. is presented in the lateral wall of said inner tube (130) in eight link blocks (120) Angular distribution.