CN211264994U - Soft wear-resistant multi-core cable - Google Patents
Soft wear-resistant multi-core cable Download PDFInfo
- Publication number
- CN211264994U CN211264994U CN202020226622.7U CN202020226622U CN211264994U CN 211264994 U CN211264994 U CN 211264994U CN 202020226622 U CN202020226622 U CN 202020226622U CN 211264994 U CN211264994 U CN 211264994U
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- China
- Prior art keywords
- insulating layer
- layer
- thickness
- resistant
- density polyethylene
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- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910000077 silane Inorganic materials 0.000 claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 22
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 230000017105 transposition Effects 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 238000004132 cross linking Methods 0.000 claims abstract 6
- 239000002131 composite material Substances 0.000 claims description 18
- 229920003023 plastic Polymers 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 15
- 239000011889 copper foil Substances 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims 9
- 238000005452 bending Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a wear-resisting multicore cable of soft type, include the sinle silk body that constitutes by four insulation core transposition, the outside cladding in proper order of sinle silk body has fluororesin to wind band layer, copper and moulds compound area around covering, shielding mesh conductor layer, PTFE around band layer and oversheath, insulation core includes inner conductor and insulating layer, the insulating layer includes silane grafting crosslinking low density polyethylene inner insulating layer and ETFE outer insulating layer, insulating layer thickness is less than 0.5mm, silane grafting crosslinking low density polyethylene inner insulating layer thickness is greater than ETFE outer insulating layer thickness, silane grafting crosslinking low density polyethylene inner insulating layer thickness is less than 0.4 mm. The cable has the effect of enhancing the electromagnetic noise shielding performance and has good wear resistance, flexibility and bending resistance.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a wear-resisting multicore cable of soft type.
Background
Electromagnetic noise environments tend to be quite complex in industrial applications, and the radiation or conduction (EMI) of electromagnetic noise can significantly interfere with the proper operation of electromechanical devices. In this process, an important carrier for electromagnetic noise propagation is various cables used in production line equipment. Some of them are noise sources and some are disturbed objects. One very important way to combat electromagnetic noise interference on electrical lines is to use shielded cables. The multi-core shielded cable is generally used for a towline system, a robot, a mobile driving system and the like, and in the process of developing and manufacturing the multi-core cable in the direction of light weight and small diameter, consideration needs to be given to cost reduction, durable use and the like, and the problem of the electrical shielding property needs to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a wear-resisting multicore cable of soft type, possess the effect of reinforcing shielding electromagnetic noise, have good wearability, pliability and resistant bending characteristic concurrently.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The soft wear-resistant multi-core cable comprises a cable core body formed by twisting four insulating cable cores, wherein the outside of the cable core body is sequentially coated with a fluororesin winding wrapping tape layer, a copper-plastic composite winding tape layer, a shielding mesh conductor layer, a PTFE winding wrapping tape layer and an outer sheath, the insulating cable core comprises an inner conductor and an insulating layer, the insulating layer comprises a silane grafted crosslinked low-density polyethylene inner insulating layer and an ETFE outer insulating layer, the thickness of the insulating layer is less than 0.5mm, the thickness of the silane grafted crosslinked low-density polyethylene inner insulating layer is greater than that of the ETFE outer insulating layer, and the thickness of the silane grafted crosslinked low-density polyethylene inner insulating layer is less than 0.4 mm.
Preferably, the thickness of the silane grafted cross-linked low density polyethylene inner insulation layer is not less than two thirds of the thickness of the insulation layer.
Preferably, the thickness of the ETFE external insulation layer is one fourth to one half of the thickness of the silane grafted cross-linked low-density polyethylene internal insulation layer.
Preferably, the inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments, the twisting direction of the inner conductor is opposite to that of the wire core body, and the diameter of each tinned copper monofilament is 0.05mm to 0.08 mm.
Preferably, the copper-plastic composite tape wrapping layer is of a copper-plastic composite tape gap wrapping structure, and the copper-plastic composite tape comprises a copper foil tape outer layer and a PET film inner layer.
Preferably, the shielding mesh conductor layer is formed by spirally winding and weaving polyester fiber copper foil filaments and tin-plated copper monofilaments in opposite directions.
Preferably, the outer sheath is a silane grafted cross-linked high density polyethylene outer sheath.
Preferably, the outer sheath has a density of 0.85g/ml to 0.95 g/ml.
Preferably, the PTFE wrapping tape layer is a gap wrapping structure.
Preferably, the winding pitch of the PTFE wrapping layer is 2 to 4 times of the bandwidth.
The utility model has the advantages that:
1. the insulating layer of the insulating wire core comprises a silane grafted crosslinked low-density polyethylene inner insulating layer and an ETFE outer insulating layer, the ETFE outer insulating layer has excellent wear resistance, bending resistance and heat resistance, the silane grafted crosslinked low-density polyethylene inner insulating layer is small in static friction coefficient and better in flexibility, the thickness of the silane grafted crosslinked low-density polyethylene inner insulating layer is larger than that of the ETFE outer insulating layer, and the insulating layer has better bending resistance and flexibility and is durable in use on the premise of obtaining excellent wear resistance by optimizing the thickness proportion.
2. Copper plastic composite band winds the covering, shielding mesh conductor layer can effectual suppression inside signal or noise leak to the outside and restrain the interference that comes from external signal, copper plastic composite band includes copper foil belt skin and PET film inlayer, make this shielding layer be difficult for appearing the phenomenon of splitting, shielding mesh conductor layer effectively suppresses the copper plastic composite band and winds the easy not smooth phenomenon of the inflection that appears when covering, and then, improve the stability of reinforcing shielding characteristic, and shielding mesh conductor layer can with copper plastic composite band good contact, guarantee effectual shielding performance.
3. The PTFE is adopted to wind the belting layer, the friction coefficient is small, the stress concentration of the copper-plastic composite belt lapping layer and the shielding net-shaped conductor layer is reduced, the torque force during bending is reduced, and the flexibility resistance and the durability are improved.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
In the figure: 1-an insulating wire core, 2-a fluororesin winding and wrapping layer, 3-a copper-plastic composite tape winding layer, 4-a shielding mesh conductor layer, 5-a PTFE winding and wrapping layer, 6-an outer sheath, 7-an inner conductor, 8-an insulating layer, 81-a silane grafted crosslinked low-density polyethylene inner insulating layer and 82-an ETFE outer insulating layer.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a wear-resisting multicore cable of soft type, include the sinle silk body that constitutes by four insulation core 1 transposition, insulation core 1 includes inner conductor 7 and insulating layer 8, specific theory, inner conductor 7 comprises a plurality of tinned copper monofilament transposition with one heart, inner conductor 7 hank to with the line core hank is opposite, the diameter of tinned copper monofilament is 0.05mm to 0.08 mm. Insulating layer 8 includes silane graft cross-linked low density polyethylene inner insulating layer 81 and ETFE outer insulating layer 82, insulating layer 8 thickness is less than 0.5mm, silane graft cross-linked low density polyethylene inner insulating layer 81 thickness is less than 0.4mm, and is further, silane graft cross-linked low density polyethylene inner insulating layer 81 thickness is not less than two-thirds of insulating layer 8 thickness. The thickness of the silane grafted crosslinked low-density polyethylene inner insulating layer 81 is greater than that of the ETFE outer insulating layer 82, and further, the thickness of the ETFE outer insulating layer 82 is one fourth to one half of that of the silane grafted crosslinked low-density polyethylene inner insulating layer 81.
The outside cladding has fluororesin in proper order around band layer 2, copper-plastic composite band around band layer 3, shielding netted conductive layer 4, PTFE around band layer 5 and oversheath 6 around the outside of the core body, and specifically says so, copper-plastic composite band is around band layer 3 and is the copper-plastic composite band clearance around the package structure, copper-plastic composite band includes copper foil belt skin and PET film inlayer. The shielding mesh conductor layer 4 is formed by weaving polyester fiber copper foil wires and tin-plated copper monofilaments in a reverse spiral winding mode. The outer sheath 6 is a silane grafted cross-linked high-density polyethylene outer sheath, and preferably, the density of the outer sheath 6 is 0.85g/ml to 0.95 g/ml. Preferably, the PTFE wrapping layer 5 is a gap wrapping structure, and further, the winding pitch of the PTFE wrapping layer 5 is 2 to 4 times the bandwidth.
While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the claims of the present application belong to the protection scope of the present invention.
Claims (10)
1. The soft wear-resistant multi-core cable is characterized in that: including the sinle silk body that constitutes by four insulation core (1) transposition, the outside cladding in proper order of the sinle silk body has fluororesin to wind band layer (2), copper-plastic composite band around covering (3), shielding mesh conductor layer (4), PTFE around band layer (5) and oversheath (6), insulation core (1) includes inner conductor (7) and insulating layer (8), insulating layer (8) are including silane grafting crosslinking low density polyethylene inner insulating layer (81) and ETFE outer insulating layer (82), insulating layer (8) thickness is less than 0.5mm, silane grafting crosslinking low density polyethylene inner insulating layer (81) thickness is greater than ETFE outer insulating layer (82) thickness, silane grafting crosslinking low density polyethylene inner insulating layer (81) thickness is less than 0.4 mm.
2. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the thickness of the silane grafted cross-linked low-density polyethylene inner insulation layer (81) is not less than two thirds of the thickness of the insulation layer (8).
3. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the thickness of the ETFE outer insulating layer (82) is one fourth to one half of the thickness of the silane grafted cross-linked low-density polyethylene inner insulating layer (81).
4. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the inner conductor (7) is formed by concentrically twisting a plurality of tinned copper monofilaments, the twisting direction of the inner conductor (7) is opposite to that of the wire core body, and the diameter of each tinned copper monofilament is 0.05 mm-0.08 mm.
5. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the copper-plastic composite tape wrapping layer (3) is of a copper-plastic composite tape gap wrapping structure, and the copper-plastic composite tape comprises a copper foil tape outer layer and a PET film inner layer.
6. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the shielding mesh-shaped conductor layer (4) is formed by spirally winding and weaving polyester fiber copper foil filaments and tin-plated copper monofilaments in opposite directions.
7. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the outer sheath (6) is a silane grafted cross-linked high-density polyethylene outer sheath.
8. The flexible, abrasion-resistant, multi-core cable of claim 7, wherein: the outer sheath (6) has a density of 0.85g/ml to 0.95 g/ml.
9. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the PTFE winding band layer (5) is of a gap winding structure.
10. The flexible, abrasion-resistant, multi-core cable of claim 1, wherein: the winding distance of the PTFE winding and wrapping layer (5) is 2 to 4 times of the bandwidth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226622.7U CN211264994U (en) | 2020-02-28 | 2020-02-28 | Soft wear-resistant multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226622.7U CN211264994U (en) | 2020-02-28 | 2020-02-28 | Soft wear-resistant multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264994U true CN211264994U (en) | 2020-08-14 |
Family
ID=71961112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226622.7U Expired - Fee Related CN211264994U (en) | 2020-02-28 | 2020-02-28 | Soft wear-resistant multi-core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211264994U (en) |
-
2020
- 2020-02-28 CN CN202020226622.7U patent/CN211264994U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 |