CN209168762U - High interference immunity composite construction drag chain cable - Google Patents

Abstract

The utility model relates to wire and cable field, open high interference immunity composite construction drag chain cable, including oversheath and metal screen layer, oversheath are sleeved on the outside of metal screen layer；It further include using semi-conductive screen sheath made of semi-conductive polypropylene, metal screen layer is wrapped on the outside of semi-conductive screen sheath, communication line unit, video line unit, the bearing line unit for the power line unit of power supply and for carrying cable tensile stress are installed, communication line unit, video line unit and power line unit are all looped around bearing line unit surrounding in semi-conductive screen sheath.This cable combines the various unit cables of different purposes by reasonable design structure, can effectively reduce a variety of cables and lays occupied space jointly.By extruding the efficient combination of formula semiconductive shielding layer and metal screen layer, interference free performance of the cable under high-speed motion state is greatly improved in the case where ensureing cable high flexibility.

Description

High interference immunity composite construction drag chain cable

Technical field

The utility model relates to wire and cable field more particularly to high interference immunity composite construction drag chain cables.

Background technique

The shielded layer of existing shielding drag chain cable is all using metal wire knitted structure currently on the market, and this structure has Flexible suitable mobile the characteristics of using, but because have that shielding gap deposits will generate electromagnetic wave leakage leads to cable Electrostatic shield effect decline, thus the normal operation by extraneous strong electrical field interference effect cable.Braid shielded process simultaneously Speed is unhappy, and wire oxidation resistance is weaker, is unable to satisfy high-frequency using aluminium-plastic tape as shielded layer Reciprocating movement, such as application number: 201510119718.7, patent name: cable.And because movement can make aluminium-plastic tape It is bent, will cause the fracture of shielding band, cable is caused to lose screening ability.

Summary of the invention

The utility model provides high interference immunity composite construction drag chain electricity for the disadvantage of cable shield ability difference in the prior art Cable.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals:

High interference immunity composite construction drag chain cable, including oversheath and metal screen layer, oversheath are sleeved on metal screen layer Outside；It further include using semi-conductive screen sheath made of semi-conductive polypropylene, metal screen layer is wrapped in semi-conductive screen On the outside of sheath, it is equipped with multiple line channels passed through for cable in semi-conductive screen sheath, in semi-conductive screen sheath The communication line unit for being used for transmission signal of communication, the video line unit for transmitting vision signal are installed, for the dynamic of power supply Line of force unit and bearing line unit for carrying cable tensile stress, communication line unit, video line unit and power line unit are all It is looped around bearing line unit surrounding, communication line unit, video line unit, power line unit and bearing line unit are all mounted on correspondence Line channel in.The cable of the utility model passes through metal screen layer and semi-conductive screen sheath double layer screen, semiconductive Shielding sheath is that semi-conductive polypropylene is melted to the shielded layer pipeline formed in metal screen layer, so that this cable static shields Effect is good；A plurality of types of transmission cable units are provided in this cable, the cable space occupancy of polymorphic type is high, this cable subtracts Few polymorphic type cable laying space, improves the space utilization rate of equipment.

Preferably, communication line unit includes holding communication sheath, communication shielded layer, communication insulating layer and communication conductor, It holds communication sheath and wraps communication shielded layer, communication shielded layer wraps communication insulating layer, and communication insulating layer wraps communication Conductor；Holding communication sheath is sheath made of TPE pyrocondensation elastomeric material, and communication shielded layer is screen made of tinned copper wire Layer is covered, communication insulating layer is insulating layer made of semi-rigid PVC material, and communication conductor is conductor made of bare copper wire.

Preferably, video line unit includes video sheath, video masking layer, video insulating layer and video conductor, depending on Frequency sheath wraps video masking layer, and video masking layer wraps video insulating layer, and video insulating layer wraps video conductor； Video sheath is sheath made of TPE pyrocondensation elastomeric material, and video masking layer is shielded layer made of tinned copper wire, depending on Frequency insulating layer is insulating layer made of polythene material, and video conductor is conductor made of bare copper wire.

Preferably, power line unit includes kinetic insulation layer and power conductor, kinetic insulation layer wraps power conductor； Kinetic insulation layer is insulator made of high flexibility butyronitrile elastomeric material, and power conductor is conductor made of bare copper wire.

Preferably, bearing line unit includes bearing sheath and bearing line, bears sheath and wrap bearing line, bear Line is bracing wire made of Kafra fiber silk.Bearing line unit makes this cable tensile strength high.

Preferably, oversheath is oversheath made of TPE pyrocondensation elastomeric material, metal screen layer is tinned copper wire system At shielded layer.

The utility model is due to using above technical scheme, with significant technical effect:

Utility model patent combines the various unit cables of different purposes by reasonable design structure, can have Effect reduces a variety of cables and lays occupied space jointly, reduces laying and maintenance cost, reduces fire hazard.By extruding formula The efficient combination of semiconductive shielding layer and metal screen layer greatly improves cable in the case where ensureing cable high flexibility and exists Interference free performance under high-speed motion state.It can effectively prevent control, communication, monitoring of the extraneous complicated strong electric field environment to cable The interference of equal units, while the interference that the power unit electric field for being also prevented from cable generates neighbouring electronic equipment.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of communication line unit in Fig. 1.

Fig. 3 is the structural schematic diagram of video line unit in Fig. 1.

The toponym that each number designation is referred in the figures above is as follows: where 10-oversheaths, 11-metallic shields Layer, 12-semi-conductive screen sheaths, 13-communication line units, 14-video line units, 15-power line units, 16-are born Line unit, 131-communication sheaths, 132-communication shielded layers, 133-communication insulating layers, 134-communication conductors, 141-views Frequency sheath, 142-video masking layers, 143-video insulating layers, 144-video conductors, 151-kinetic insulation layers, 152- Power conductor, 161-bear sheath, 162-bearing lines.

Specific embodiment

The utility model is described in further detail with embodiment with reference to the accompanying drawing.

Embodiment 1

High interference immunity composite construction drag chain cable, as shown in Figure 1-3, include oversheath 10 and metal screen layer 11, oversheath 10 are sleeved on 11 outside of metal screen layer, and metal screen layer 11 is reticulated by tinned copper wire establishment；It further include poly- using semiconductive Semi-conductive screen sheath 12 made of propylene, polypropylene are that a kind of density is smaller, and heat resistance and chemical reagent-resistant performance are preferable Common resin, mechanical performance is better than polyethylene.Polypropylene mostly with carbon black or the compound composition electroconductive resin of carbon fiber, property Energy index, feature and preparation method are similar to conductive polyethylene.Metal screen layer 11 is wrapped in outside semi-conductive screen sheath 12 Side, semi-conductive screen sheath 12 is interior to be equipped with multiple line channels passed through for cable, and the present embodiment line channel quantity is seven It is a, it is equipped in semi-conductive screen sheath 12 and is used for transmission the communication line unit 13 of signal of communication, for transmitting vision signal Video line unit 14, the bearing line unit 16 for the power line unit 15 of power supply and for carrying cable tensile stress, this reality Applying 13 quantity of communication line unit is two, and 14 quantity of video line unit is one, and 15 quantity of power line unit is three, is born 16 quantity of line unit is one, and communication line unit 13, video line unit 14 and power line unit are all looped around bearing line unit 16 Surrounding, it is logical that communication line unit 13, video line unit 14, power line unit 15 and bearing line unit 16 are all mounted on corresponding route In road.

Communication line unit 13 includes holding communication sheath 131, communication shielded layer 132, communication insulating layer 133 and communication conductor 134, it holds communication sheath 131 and wraps communication shielded layer 132, communication shielded layer 132 wraps communication insulating layer 133, this reality The quantity for applying example communication insulating layer 133 and communication conductor 134 is all two, and a communication insulating layer 133 wraps a communication Conductor 134；Holding communication sheath 131 is sheath made of TPE pyrocondensation elastomeric material, and communication shielded layer 132 is tin-coated copper Shielded layer made of silk, communication insulating layer 133 are insulating layer made of semi-rigid PVC material, and communication conductor 134 is bare copper wire system At conductor.

Video line unit 14 includes video sheath 141, video masking layer 142, video insulating layer 143 and video conductor 144, video sheath 141 wraps video masking layer 142, and video masking layer 142 wraps video insulating layer 143, and video is exhausted Edge layer 143 wraps video conductor 144；Video sheath 141 is sheath made of TPE pyrocondensation elastomeric material, video screen Covering layer 142 is shielded layer made of tinned copper wire, and video insulating layer 143 is insulating layer made of polythene material, video conductor 144 be conductor made of bare copper wire.

Power line unit 15 includes kinetic insulation layer 151 and power conductor 152, and kinetic insulation layer 151 wraps power guide Body 152；Kinetic insulation layer 151 is insulator made of high flexibility butyronitrile elastomeric material, and power conductor 152 is made of bare copper wire Conductor.

Bearing line unit 16 includes bearing sheath 161 and bearing line 162, bears sheath 161 and wraps bearing line 162, bearing line 162 is bracing wire made of Kafra fiber silk.

Oversheath 10 is oversheath made of TPE pyrocondensation elastomeric material, and metal screen layer 11 is made of tinned copper wire Shielded layer.

Embodiment 2

Embodiment 2 and 1 feature of embodiment are essentially identical, the difference is that 13 quantity of communication line unit is one in embodiment 2, 14 quantity of video line unit is one, and 15 quantity of power line unit is two, and 16 quantity of bearing line unit is one.

Embodiment 3

Embodiment 3 and 1 feature of embodiment are essentially identical, the difference is that 13 quantity of communication line unit is one in embodiment 2, 14 quantity of video line unit is one, and 15 quantity of power line unit is one, and 16 quantity of bearing line unit is one.

In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.

Claims (6)

1. high interference immunity composite construction drag chain cable, including oversheath (10) and metal screen layer (11), oversheath (10) are sleeved on On the outside of metal screen layer (11)；It is characterized by also including using semi-conductive screen sheath made of semi-conductive polypropylene (12), metal screen layer (11) is wrapped on the outside of semi-conductive screen sheath (12), is equipped in semi-conductive screen sheath (12) Multiple line channels passed through for cable, semi-conductive screen sheath (12) is interior to be equipped with the communication line for being used for transmission signal of communication Unit (13), the video line unit (14) for transmitting vision signal, for the power line unit (15) of power supply and for carrying The bearing line unit (16) of cable tensile stress, communication line unit (13), video line unit (14) and power line unit are all looped around Bearing line unit (16) surrounding, communication line unit (13), video line unit (14), power line unit (15) and bearing line unit (16) it is all mounted in corresponding line channel.

2. high interference immunity composite construction drag chain cable according to claim 1, it is characterised in that: communication line unit (13) includes Communication sheath (131), communication shielded layer (132), communication insulating layer (133) and communication conductor (134) are held, communication sheath is held (131) communication shielded layer (132) is wrapped, communication shielded layer (132) wraps communication insulating layer (133), communicates insulating layer (133) communication conductor (134) are wrapped；Holding communication sheath (131) is sheath made of TPE pyrocondensation elastomeric material, is led to Believe that shielded layer (132) are shielded layer made of tinned copper wire, communication insulating layer (133) is insulation made of semi-rigid PVC material Layer, communication conductor (134) are conductor made of bare copper wire.

3. high interference immunity composite construction drag chain cable according to claim 1, it is characterised in that: video line unit (14) includes Video sheath (141), video masking layer (142), video insulating layer (143) and video conductor (144), video sheath (141) it wraps video masking layer (142), video masking layer (142) wraps video insulating layer (143), video insulating layer (143) video conductor (144) are wrapped；Video sheath (141) is sheath made of TPE pyrocondensation elastomeric material, video Shielded layer (142) is shielded layer made of tinned copper wire, and video insulating layer (143) is insulating layer made of polythene material, depending on Frequency conductor (144) is conductor made of bare copper wire.

4. high interference immunity composite construction drag chain cable according to claim 1, it is characterised in that: power line unit (15) includes Kinetic insulation layer (151) and power conductor (152), kinetic insulation layer (151) wrap power conductor (152)；Kinetic insulation layer It (151) is insulator made of high flexibility butyronitrile elastomeric material, power conductor (152) is conductor made of bare copper wire.

5. high interference immunity composite construction drag chain cable according to claim 1, it is characterised in that: bearing line unit (16) includes Sheath (161) and bearing line (162) are born, sheath (161) is born and wraps bearing line (162), bearing line (162) is triumphant Husband draws bracing wire made of fiber filament.

6. high interference immunity composite construction drag chain cable according to claim 1, it is characterised in that: oversheath (10) is TPE heat Oversheath made of contracting elastomeric material, metal screen layer (11) are shielded layer made of tinned copper wire.