CN214152506U - Bending-resistant 4-core insulated cable - Google Patents
Bending-resistant 4-core insulated cable Download PDFInfo
- Publication number
- CN214152506U CN214152506U CN202120281421.1U CN202120281421U CN214152506U CN 214152506 U CN214152506 U CN 214152506U CN 202120281421 U CN202120281421 U CN 202120281421U CN 214152506 U CN214152506 U CN 214152506U
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- Prior art keywords
- layer
- core
- wire
- tinned copper
- cable
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- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 title abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 229920000728 polyester Polymers 0.000 claims abstract description 16
- 229920002635 polyurethane Polymers 0.000 claims abstract description 15
- 239000004814 polyurethane Substances 0.000 claims abstract description 15
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 10
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000009941 weaving Methods 0.000 claims abstract description 5
- 238000005187 foaming Methods 0.000 claims abstract 5
- 239000010410 layer Substances 0.000 claims description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 18
- 239000010949 copper Substances 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical compound C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 claims description 3
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 3
- 239000002759 woven fabric Substances 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 2
- 230000017105 transposition Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 2
- 230000001070 adhesive effect Effects 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a 4 core insulated cables of bending resistance type, constitute the cable core including four insulating twist-on sinle silks transposition jointly, insulating twist-on sinle silk includes that two twist-on sinle silks twist-on constitute line core and foaming fluororesin area wind the covering, the foaming fluororesin area is taken the lid to take around the package structure for foaming fluororesin area multilayer around the covering, the twist-on sinle silk includes the inner conductor, thermoplastic polyurethane adhesive linkage and polyurethane insulating layer, the thickness of thermoplastic polyurethane adhesive linkage is 2 microns to 15 microns, the cable core outside cladding in proper order has the fluororesin area to wind a packet antifriction layer, shield the mesh conductor layer, polyester fiber plain weave cloth is around the covering, AFRP weaving layer and polyurethane oversheath, the fluororesin area is fluororesin band gap around the packet antifriction layer and is fluororesin band gap structure, polyester fiber plain weave is taken the lid around the covering for polyester fiber plain weave one-way spiral around the package structure around the covering. The cable has better flexibility and excellent bending resistance, is beneficial to reducing the occurrence of the phenomena of wire breakage and core breakage, and has stable shielding performance and durable use.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to an 4 core insulated cables of anti bending 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 automatic industrial production line, a multi-core cable is generally used for a drag chain system, a robot, a mobile driving system and the like, however, in the industrial application field environment, the attenuation of high-frequency signals is large, and in the field use process, the cable is easy to break after being bent for many times, the shielding effect is unstable, and the electrical characteristics are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a 4 core insulated cable of anti bending type, and the pliability is better, and anti bending property is excellent, is of value to and reduces the disconnected core phenomenon of broken string and takes place, and shielding property is stable, durable use.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The bending-resistant 4-core insulated cable comprises four insulated twisted-pair cable cores which are twisted together to form a cable core, wherein each insulated twisted-pair cable core comprises two twisted-pair cable core bodies which form a cable core body and a foamed fluororesin tape wrapping layer which wraps the cable core body, the foamed fluororesin belt wrapping layer is of a multi-layer lapping and wrapping structure of the foamed fluororesin belt, the twisted pair wire core comprises an inner conductor, a thermoplastic polyurethane adhesive layer and a polyurethane insulating layer which are sequentially wrapped outside the inner conductor, the thickness of the thermoplastic polyurethane bonding layer is 2-15 microns, the cable core is sequentially coated with a fluororesin tape winding antifriction layer, a shielding mesh conductor layer, a polyester fiber plain weave winding layer, an AFRP woven layer and a polyurethane outer sheath, the fluororesin band winding antifriction layer is of a fluororesin band gap winding structure, and the polyester fiber plain weave fabric winding layer is of a polyester fiber plain weave fabric one-way spiral lapping and covering winding structure.
Preferably, the inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments, the wire diameter of each tinned copper monofilament is 0.02mm to 0.06mm, and the stranding pitch of the tinned copper monofilaments is 20 to 30 times of the outer diameter of the inner conductor.
Preferably, the wrapping layer thickness of the polyester fiber plain woven cloth is 0.1mm to 0.5 mm.
Preferably, the shielding mesh-shaped conductor layer is formed by spirally winding inner and outer double-layer tinned copper wires in the same direction, the winding distances and the spiral angles of the inner layer tinned copper wire and the outer layer tinned copper wire are the same, and the spiral angle is 50-70 degrees.
Preferably, the diameter of the inner-layer tinned copper wire is smaller than that of the outer-layer tinned copper wire, the diameter of the inner-layer tinned copper wire is 0.05mm to 0.12mm, and the diameter of the outer-layer tinned copper wire is 0.08mm to 0.18 mm.
Preferably, the lay length of the cable core is 10 to 20 times of the outer diameter of the insulated twisted pair wire core.
Preferably, the polyurethane outer sheath has a thickness of 0.5mm to 1.8 mm.
Preferably, the AFRP woven layer is formed by weaving an inner aramid twisted yarn layer and an outer aramid twisted yarn layer in a mutually reverse spiral winding manner, and the thickness of the AFRP woven layer is 0.25mm to 1.5 mm.
Preferably, the foamed fluororesin tape is an FEP, PFA or ETFE foamed resin layer.
Preferably, the fluorine resin tape is an FEP, PFA or ETFE resin layer.
The utility model has the advantages that:
1. the thermoplastic polyurethane adhesive layer enables the inner conductor and the polyurethane insulating layer to be better in hot-melt adhesion, the flexibility of the inner conductor is improved, the bending resistance is excellent, and the deformation of copper wires is reduced. The foamed fluororesin tape winding layer is used as a reinforcing structure of the polyurethane insulating layer, can bear larger tensile force, enhances the mechanical strength, improves the tensile resistance, ensures that a copper wire is not easy to break and break a core in the process of bearing the bending of the cable, improves the electrical property of the cable, and is durable in use.
2. The friction coefficient of the fluorine resin belt wrapped antifriction layer is small, stress concentration of the shielding mesh-shaped conductor layer is reduced, the disconnection phenomenon of the shielding mesh-shaped conductor layer is reduced, the stability of the shielding characteristic is enhanced, and the anti-interference capability is improved.
The AFRP woven layer has high strength and modulus, the anti-aging performance is excellent, the flexibility of the cable is improved, the torque force of the cable during bending is reduced, the phenomenon of wire breakage is not prone to occurring, the overall tensile strength of the cable is improved, the adaptability of different laying environments is enhanced, and the cable laying difficulty is reduced.
Drawings
Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention.
In the figure: the cable comprises 1-an insulating twisted-pair wire core, 2-twisted-pair wire core, 3-an inner conductor, 4-a thermoplastic polyurethane bonding layer, 5-a polyurethane insulating layer, 6-a foamed fluororesin tape winding layer, 7-a fluororesin tape winding antifriction layer, 8-a shielding mesh conductor layer, 9-a polyester fiber plain weave fabric winding layer, 10-an AFRP woven layer and 11-a polyurethane 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 4 core insulated cables of bending resistance type, including four insulation pair twist sinle silks 1 transposition constitution cable core jointly, it is further, the lay length of cable core does 10 to 20 times of insulation pair twist sinle silks 1 external diameter.
The insulated twisted-pair wire core 1 comprises a wire core body formed by twisting two twisted-pair wire cores 2 in pairs and a foamed fluororesin belt wrapping layer 6 wrapping the outside of the wire core body, wherein the foamed fluororesin belt wrapping layer 6 is a foamed fluororesin belt multi-layer lapping and wrapping structure, for example, the foamed fluororesin belt is an FEP, PFA or ETFE foamed resin layer. The twisted pair wire core 2 comprises an inner conductor 3, and a thermoplastic polyurethane adhesive layer 4 and a polyurethane insulating layer 5 which are sequentially coated outside the inner conductor 3, specifically, the inner conductor 3 is formed by concentrically twisting a plurality of tinned copper monofilaments, the wire diameter of each tinned copper monofilament is 0.02mm to 0.06mm, and the twisting pitch of each tinned copper monofilament is 20 to 30 times of the outer diameter of the inner conductor 3. The thickness of the thermoplastic polyurethane adhesive layer 4 is 2 to 15 micrometers.
The cable core outside cladding has fluororesin area to wind and wraps antifriction layer 7, shielding netted conductor layer 8, polyester fiber plain weave in proper order around covering 9, AFRP weaving layer 10 and polyurethane oversheath 11, fluororesin area is around wrapping antifriction layer 7 and is the fluororesin band gap around the package structure, for example, the fluororesin area is FEP, PFA or ETFE resin layer. The polyester fiber plain weave lapping layer 9 is a polyester fiber plain weave one-way spiral lapping cover lapping structure, and further, the thickness of the polyester fiber plain weave lapping layer 9 is 0.1mm to 0.5 mm. In one embodiment, the shielding mesh conductor layer 8 is formed by spirally winding an inner layer and an outer layer of tinned copper wires in the same direction, the winding distance and the spiral angle of the inner layer of tinned copper wires and the outer layer of tinned copper wires are the same, the spiral angle is 50-70 degrees, further, the wire diameter of the inner layer of tinned copper wires is smaller than that of the outer layer of tinned copper wires, the wire diameter of the inner layer of tinned copper wires is 0.05-0.12 mm, and the wire diameter of the outer layer of tinned copper wires is 0.08-0.18 mm. In one embodiment, the AFRP woven layer 10 is formed by weaving an inner aramid fiber twisted yarn and an outer aramid fiber twisted yarn in a mutually reverse spiral winding manner, and the thickness of the AFRP woven layer 10 is 0.25mm to 1.5 mm. The polyurethane outer sheath 11 preferably has a thickness of 0.5mm to 1.8 mm.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. Anti crooked type 4 core insulated cable, characterized by: the cable comprises four insulated twisted-pair wire cores (1) which are twisted together to form a cable core, wherein each insulated twisted-pair wire core (1) comprises two twisted-pair wire cores (2) which are twisted in pairs to form a wire core body and a foamed fluororesin tape winding layer (6) coated outside the wire core body, the foamed fluororesin tape winding layer (6) is a foamed fluororesin tape multilayer overlapping and wrapping structure, each twisted-pair wire core (2) comprises an inner conductor (3), a thermoplastic polyurethane adhesive layer (4) and a polyurethane insulating layer (5) sequentially coated outside the inner conductor (3), the thickness of the thermoplastic polyurethane adhesive layer (4) is 2 micrometers to 15 micrometers, a fluorine resin tape wrapping anti-friction layer (7), a shielding mesh conductor layer (8), a polyester fiber flat woven fabric wrapping layer (9), an AFRP (10) and a polyurethane outer sheath (11) are sequentially coated outside the cable core, the fluorine resin tape anti-friction layer (7) is of a fluororesin tape gap wrapping structure, the polyester fiber plain weave lapping layer (9) is of a polyester fiber plain weave unidirectional spiral lapping and covering lapping structure.
2. The bend resistant 4-core insulated cable of claim 1, wherein: the inner conductor (3) is formed by concentrically twisting a plurality of tinned copper monofilaments, the wire diameter of each tinned copper monofilament is 0.02mm to 0.06mm, and the twisting pitch of each tinned copper monofilament is 20 to 30 times of the outer diameter of the inner conductor (3).
3. The bend resistant 4-core insulated cable of claim 1, wherein: the thickness of the polyester fiber plain weave fabric lapping layer (9) is 0.1mm to 0.5 mm.
4. The bend resistant 4-core insulated cable of claim 1, wherein: the shielding mesh-shaped conductor layer (8) is formed by spirally winding an inner layer of tinned copper wire and an outer layer of tinned copper wire in the same direction, the winding distance and the spiral angle of the inner layer of tinned copper wire and the outer layer of tinned copper wire are the same, and the spiral angle is 50-70 degrees.
5. The bend resistant 4-core insulated cable of claim 4, wherein: the wire diameter of the inner layer of the tinned copper wire is smaller than that of the outer layer of the tinned copper wire, the wire diameter of the inner layer of the tinned copper wire is 0.05mm to 0.12mm, and the wire diameter of the outer layer of the tinned copper wire is 0.08mm to 0.18 mm.
6. The bend resistant 4-core insulated cable of claim 1, wherein: the lay length of the cable core is 10 to 20 times of the outer diameter of the insulated twisted pair wire core (1).
7. The bend resistant 4-core insulated cable of claim 1, wherein: the thickness of the polyurethane outer sheath (11) is 0.5mm to 1.8 mm.
8. The bend resistant 4-core insulated cable of claim 1, wherein: the AFRP woven layer (10) is formed by weaving an inner aramid twisted wire layer and an outer aramid twisted wire layer in a mutually reverse spiral winding mode, and the thickness of the AFRP woven layer (10) is 0.25 mm-1.5 mm.
9. The bend resistant 4-core insulated cable of claim 1, wherein: the foaming fluorine resin belt is an FEP, PFA or ETFE foaming resin layer.
10. The bend resistant 4-core insulated cable of claim 1, wherein: the fluorine resin belt is an FEP, PFA or ETFE resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281421.1U CN214152506U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant 4-core insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120281421.1U CN214152506U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant 4-core insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214152506U true CN214152506U (en) | 2021-09-07 |
Family
ID=77549341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120281421.1U Expired - Fee Related CN214152506U (en) | 2021-02-01 | 2021-02-01 | Bending-resistant 4-core insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214152506U (en) |
-
2021
- 2021-02-01 CN CN202120281421.1U patent/CN214152506U/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 |
Granted publication date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |