CN212010420U - Bending-resistant anti-broken high-frequency multi-core cable - Google Patents
Bending-resistant anti-broken high-frequency multi-core cable Download PDFInfo
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- CN212010420U CN212010420U CN202020825851.0U CN202020825851U CN212010420U CN 212010420 U CN212010420 U CN 212010420U CN 202020825851 U CN202020825851 U CN 202020825851U CN 212010420 U CN212010420 U CN 212010420U
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- bending
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- 238000005452 bending Methods 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011889 copper foil 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
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 230000017105 transposition Effects 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 46
- 238000009941 weaving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model discloses a high frequency multicore cable is prevented disconnected to resistant bending type, two insulation core and an insulation pair twist sinle silk constitute the cable core around the common transposition of a reinforcement center core, the outside cladding in proper order of cable core has fluororesin to wind the band layer, copper is moulded compound area and is wound package shielding layer and oversheath, insulation pair twist sinle silk includes that the pair strand wires core and the first metal that constitute by two pair twist sinle silk pair twists weave the shielding layer, the pair twist sinle silk includes first inner conductor and first insulation layer, insulation sinle silk includes the second inner conductor, PFA cavity reinforcement core, shielding layer and second insulating layer are woven to the second metal, the oversheath external diameter is 3mm to 10 mm. The high-frequency multi-core cable has better flexibility and bending resistance, effectively prevents wire breakage and has better high-frequency signal transmission characteristic.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high frequency multicore cable is prevented breaking wire by resistant crooked 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. In an automated industrial production line, a multi-core cable is generally used for a tow chain system, a robot, a mobile drive system, and the like, however, the environment is complicated in an industrial application site, high frequency signal attenuation is large, and the general multi-core cable is poor in bending resistance, is liable to cause a disconnection phenomenon after being subjected to repeated bending and twisting, is unstable in a shielding effect, is poor in high frequency signal transmission characteristics, and is not durable in use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a disconnected line high frequency multicore cable is prevented to resistant crooked type, on the basis of thin footpath ization preparation, ensures the pliability and the resistant bending property of cable, prevents effectively that the broken string from appearing, and high frequency signal transfer characteristic is better.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The bending-resistant anti-broken-wire high-frequency multi-core cable comprises two insulation wire cores and an insulation pair-twisted wire core, wherein the two insulation wire cores and the insulation pair-twisted wire core are twisted together around a reinforcing center core to form a cable core, a fluororesin winding belting layer, a copper-plastic composite belt winding shielding layer and an outer sheath are sequentially coated outside the cable core, the insulation pair-twisted wire core comprises a pair-twisted wire core formed by twisting two pair-twisted wire cores and a first metal woven shielding layer coated outside the pair-twisted wire core, the pair-twisted wire core comprises a first inner conductor and a first insulation layer coated outside the first inner conductor, the insulation wire core comprises a second inner conductor, a PFA hollow reinforcing core coated outside the second inner conductor, a second metal woven shielding layer and a second insulation layer, the PFA hollow reinforcing core comprises an inner cylinder body and an outer cylinder body, and a plurality of connecting plate bodies are radially and uniformly distributed between the inner cylinder body, the copper-plastic composite tape lapping and shielding layer is of a copper-plastic composite tape lapping and wrapping structure, the first metal braided shielding layer and the second metal braided shielding layer are formed by weaving inner-layer tinned copper monofilaments and outer-layer tinned copper monofilaments in a reverse spiral winding mode, the diameter of each inner-layer tinned copper monofilament is smaller than that of each outer-layer tinned copper monofilament, and the outer diameter of the outer sheath is 3 mm-10 mm.
Preferably, the outer diameter of the insulated wire core is 0.8mm to 3 mm.
Preferably, the ratio of the outer diameters of the insulated wire core and the insulated twisted-pair wire core is 0.8:1 to 1: 1.5.
Preferably, the PFA hollow reinforcing core has an outer diameter of 0.5mm to 2.4 mm.
Preferably, the diameter of the inner layer tin-plated copper monofilament is 0.08mm to 0.12mm, and the diameter of the outer layer tin-plated copper monofilament is 0.1mm to 0.15 mm.
Preferably, the first insulating layer and the second insulating layer are both silane-grafted cross-linked low-density polyethylene insulating layers.
Preferably, the outer sheath is a silane grafted cross-linked high density polyethylene outer sheath.
Preferably, the copper-plastic composite belt comprises an outer layer of copper foil belt and an inner layer of PTFE resin.
Preferably, the thickness of the copper-plastic composite tape wrapping shielding layer is 0.08mm to 0.3 mm.
Preferably, the outer sheath has a thickness of 0.5mm to 1.8 mm.
The utility model has the advantages that:
1. the PFA hollow reinforcing core body is arranged between the conductor of the insulating wire core and the shielding layer, PFA resin is low in conductivity, beneficial to improvement of high-frequency signal transmission characteristics, small in attenuation, capable of effectively bearing lateral pressure during bending, greatly improving bending resistance of the cable and effectively preventing conductor breakage.
2. The diameter of the inner layer tinned copper monofilament of the metal braided shielding layer is smaller than that of the outer layer tinned copper monofilament, flexibility of the cable is improved, the braiding density of the inner layer tinned copper monofilament is large, high-frequency signals inside the cable can be prevented from leaking to the outside, the electrical resistance of the outer layer tinned copper monofilament is small, and interference from external signals can be restrained. And, the diameter of the inner layer tinned copper monofilament is different from that of the outer layer tinned copper monofilament, so that the weaving gap can be effectively reduced, the friction phenomenon generated between the tinned copper monofilaments is greatly reduced, the noise shielding characteristic is improved, the flexibility and the torsion resistance of the cable are increased, and the phenomenon of wire breakage is not easy to occur.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
In the figure: 1-insulated wire core, 11-second inner conductor, 12-PFA hollow reinforced core, 121-inner cylinder, 122-outer cylinder, 123-connecting plate body, 13-second metal braided shielding layer, 14-second insulating layer, 2-insulated twisted-pair wire core, 21-twisted-pair wire core, 211-first inner conductor, 212-first insulating layer, 22-first metal braided shielding layer, 3-reinforced central core material, 4-fluororesin wrapped tape layer, 5-copper-plastic composite tape wrapped shielding layer and 6-outer sheath.
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 high frequency multicore cable is prevented absolutely by resistant crooked type, two insulation core 1 and an insulation pair twist sinle silk 2 constitute the cable core around the transposition jointly of a reinforcement center core 3. The insulated twisted-pair wire core 2 comprises a twisted-pair wire core body formed by twisting two twisted-pair wire cores 21 in pairs and a first metal braided shielding layer 22 coated outside the twisted-pair wire core body, and each twisted-pair wire core 21 comprises a first inner conductor 211 and a first insulating layer 212 coated outside the first inner conductor 211. The insulated wire core 1 comprises a second inner conductor 11, and a PFA hollow reinforcing core body 12, a second metal braided shielding layer 13 and a second insulating layer 14 which are coated outside the second inner conductor 11.
The PFA hollow reinforcing core 12 includes an inner cylinder 121 and an outer cylinder 122, a plurality of connecting plate bodies 123 are radially and uniformly distributed between the inner cylinder 121 and the outer cylinder 122, and further, the outer diameter of the PFA hollow reinforcing core 12 is 0.5mm to 2.4 mm. The first metal braided shield layer 22 and the second metal braided shield layer 13 are that the inner layer tinned copper monofilament and the outer layer tinned copper monofilament are reverse spiral winding each other and weave the constitution, the inner layer tinned copper monofilament diameter is less than the outer layer tinned copper monofilament diameter, specific saying so, the inner layer tinned copper monofilament diameter is 0.08mm to 0.12mm, the outer layer tinned copper monofilament diameter is 0.1mm to 0.15 mm. Preferably, the outer diameter of the insulated wire core 1 is 0.8mm to 3 mm. Further, the ratio of the outer diameters of the insulated wire core 1 and the insulated twisted wire core 2 is 0.8:1 to 1: 1.5. The first insulating layer 212 and the second insulating layer 14 may be made of, for example, silane-grafted cross-linked low-density polyethylene.
The cable core is sequentially coated with a fluororesin wrapping tape layer 4, a copper-plastic composite tape wrapping shielding layer 5 and an outer sheath 6, the outer diameter of the outer sheath 6 is 3mm to 10mm, the outer sheath 6 is a silane grafted and crosslinked high-density polyethylene outer sheath, and preferably, the thickness of the outer sheath 6 is 0.5mm to 1.8 mm. The copper-plastic composite tape lapping and shielding layer 5 is a copper-plastic composite tape lapping and lapping structure, and specifically, the copper-plastic composite tape comprises a copper foil tape outer layer and a PTFE resin inner layer. Further, the thickness of the copper-plastic composite tape wrapping shielding layer 5 is 0.08mm to 0.3 mm.
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. Resistant crooked type prevents disconnected line high frequency multicore cable, characterized by: two insulation wire cores (1) and an insulation twisted-pair wire core (2) are twisted together around a reinforcing center core (3) to form a cable core, the outside of the cable core is sequentially coated with a fluororesin winding belting layer (4), a copper-plastic composite belt winding shielding layer (5) and an outer sheath (6), the insulation twisted-pair wire core (2) comprises a twisted-pair wire core formed by twisting two twisted-pair wire cores (21) in pairs and a first metal woven shielding layer (22) coated on the outside of the twisted-pair wire core, each twisted-pair wire core (21) comprises a first inner conductor (211) and a first insulation layer (212) coated on the outside of the first inner conductor (211), each insulation wire core (1) comprises a second inner conductor (11) and a PFA hollow reinforcing core (12) coated on the outside of the second inner conductor (11), a second metal woven shielding layer (13) and a second insulation layer (14), the PFA hollow reinforcing core (12) comprises an inner cylinder body (121) and an outer cylinder body (122), a plurality of connecting plate bodies (123) are radially and uniformly distributed between the inner cylinder body (121) and the outer cylinder body (122), the copper-plastic composite tape is of a copper-plastic composite tape lapping and wrapping structure, the first metal braided shielding layer (22) and the second metal braided shielding layer (13) are formed by braiding inner-layer tin-plated copper monofilaments and outer-layer tin-plated copper monofilaments in a reverse spiral winding mode, the diameter of the inner-layer tin-plated copper monofilaments is smaller than that of the outer-layer tin-plated copper monofilaments, and the outer diameter of the outer sheath (6) is 3 mm-10 mm.
2. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the outer diameter of the insulated wire core (1) is 0.8mm to 3 mm.
3. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the ratio of the outer diameters of the insulated wire core (1) and the insulated twisted-pair wire core (2) is 0.8:1 to 1: 1.5.
4. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the external diameter of the PFA hollow reinforcing core body (12) is 0.5mm to 2.4 mm.
5. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the diameter of the inner layer tin-plated copper monofilament is 0.08mm to 0.12mm, and the diameter of the outer layer tin-plated copper monofilament is 0.1mm to 0.15 mm.
6. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the first insulating layer (212) and the second insulating layer (14) are both silane-grafted cross-linked low density polyethylene insulating layers.
7. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the outer sheath (6) is a silane grafted cross-linked high-density polyethylene outer sheath.
8. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the copper-plastic composite belt comprises a copper foil belt outer layer and a PTFE resin inner layer.
9. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the thickness of the copper-plastic composite tape wrapping shielding layer (5) is 0.08mm to 0.3 mm.
10. The bending-resistant breakage-proof high-frequency multi-core cable as claimed in claim 1, wherein: the thickness of the outer sheath (6) is 0.5mm to 1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825851.0U CN212010420U (en) | 2020-05-18 | 2020-05-18 | Bending-resistant anti-broken high-frequency multi-core cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825851.0U CN212010420U (en) | 2020-05-18 | 2020-05-18 | Bending-resistant anti-broken high-frequency multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212010420U true CN212010420U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020825851.0U Expired - Fee Related CN212010420U (en) | 2020-05-18 | 2020-05-18 | Bending-resistant anti-broken high-frequency multi-core cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212010420U (en) |
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2020
- 2020-05-18 CN CN202020825851.0U patent/CN212010420U/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: 20201124 |