CN214505116U - Anti-core-breaking 9-core communication cable - Google Patents
Anti-core-breaking 9-core communication cable Download PDFInfo
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- CN214505116U CN214505116U CN202120831743.9U CN202120831743U CN214505116U CN 214505116 U CN214505116 U CN 214505116U CN 202120831743 U CN202120831743 U CN 202120831743U CN 214505116 U CN214505116 U CN 214505116U
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- core
- insulating layer
- communication cable
- sinle silk
- cable
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- 238000004891 communication Methods 0.000 title claims abstract description 22
- 239000004743 Polypropylene Substances 0.000 claims abstract description 49
- -1 polypropylene Polymers 0.000 claims abstract description 49
- 229920001155 polypropylene Polymers 0.000 claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000000805 composite resin Substances 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 9
- 230000017105 transposition Effects 0.000 abstract description 2
- 239000006260 foam Substances 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 62
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The utility model discloses a prevent disconnected core type 9 core communication cable, constitute the cable core around central polypropylene fiber core common transposition including seven power sinle silks and two control core, the cable core outside cladding iron powder polypropylene resin insulating layer in proper order, shielding mesh conductor layer and PVC oversheath, all keep the interval setting through filling central polypropylene fiber core between each adjacent sinle silk of power sinle silk and control core, be formed with the space between power sinle silk and the control sinle silk and the iron powder polypropylene resin insulating layer jointly, the power sinle silk includes first inner conductor, first PFA insulating layer and first foaming polypropylene insulating layer, the control sinle silk includes that two pair twist sinle silks pair twist structure line cores, the outer cladding second of sinle silk body foams polypropylene insulating layer, pair twist sinle silk includes second inner conductor and second PFA insulating layer. The communication cable has better flexibility and bending resistance, reduces the occurrence of core breaking and wire breaking, and has stable electrical shielding performance.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a prevent disconnected core type 9 core communication cable.
Background
The communication cable is used for forming a channel for transmitting information to form a four-way and eight-way communication network. The method can be distinguished according to the aspects of laying, operating conditions, transmission frequency spectrum, cable core structure, insulating materials and the like. Due to rapid development of transmission technology, maintenance testing technology, and the like, communication cables are gradually becoming smaller in diameter and lighter in weight, and at the same time, the communication cables are also required to have good impedance characteristics, electrical insulation properties, and chemical stability. In an automatic industrial production line, a multi-core cable is commonly used for robots, mobile driving systems and the like, the common multi-core cable has general bending resistance and poor core flexibility, the cable is easy to break and break after being subjected to bending and twisting for many times, the high-frequency signal transmission characteristic is poor, the shielding effect is unstable, and the electrical characteristic is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a prevent 9 core communication cable of disconnected core type, has better pliability, resistant bending property, reduces disconnected core disconnection phenomenon and takes place, and electrical shielding performance is stable, and the interference killing feature is strong, and high frequency signal transfer characteristic is better.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The anti-core-breaking 9-core communication cable comprises seven power wire cores and two control wire cores which are jointly twisted around a central polypropylene fiber core to form a cable core, wherein an iron powder polypropylene resin insulating layer, a shielding mesh conductor layer and a PVC outer sheath are sequentially coated outside the cable core, the adjacent wire cores of the power wire cores and the control wire cores are arranged at intervals by filling the central polypropylene fiber core, a gap is formed between the power wire cores and the control wire cores and the iron powder polypropylene resin insulating layer, the power wire cores comprise first inner conductors, first PFA insulating layer and first foamed polypropylene insulating layer which are sequentially coated outside the first inner conductors, the outer diameter of the first inner conductors is 1.6mm to 3mm, the control wire cores comprise wire cores formed by oppositely twisting the two oppositely twisted wire cores, and second foamed polypropylene insulating layers are coated outside the wire cores, the twisted pair wire core comprises a second inner conductor and a second PFA insulating layer.
Preferably, the power core and the control core have an outer diameter ratio of 9:10 to 12.5: 10.
Preferably, the first PFA insulating layer and the first foamed polypropylene insulating layer have a total thickness of 0.2mm to 0.45 mm.
Preferably, the first inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.12mm to 0.25 mm.
Preferably, the second inner conductor is formed by concentrically twisting a plurality of tin-plated copper monofilaments with the diameter of 0.02mm to 0.05 mm.
Preferably, the iron powder polypropylene resin insulating layer is an iron powder polypropylene composite resin belt one-way spiral lapping and covering lapping structure.
Preferably, the shielding mesh conductor layer is formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, the wire diameter of each tinned copper wire is 0.01-0.04 mm, and the weaving density is 92-95%.
Preferably, the PVC outer sheath has a thickness of 1.2mm to 1.8 mm.
Preferably, the lay length of the cable core is 10 to 20 times of the outer diameter of the power wire core.
Preferably, the spacing distance between each adjacent wire core of the power wire core and the control wire core is 0.1mm to 0.4 mm.
The utility model has the advantages that:
1. fill through central polypropylene fiber core between each adjacent sinle silk of power sinle silk and control sinle silk in order to keep mutual interval setting, reasonable control distance is at 0.1mm to 0.4mm, and the effectual cable that prevents twists reverse the in-process in the bending, takes place direct contact friction between power sinle silk and the control sinle silk to, the disconnected core disconnection phenomenon of significantly reduced. Meanwhile, gaps are formed between the power supply wire core and the control wire core and between the iron powder polypropylene resin insulating layer and the iron powder polypropylene resin insulating layer, so that the flexibility and the flexibility of the cable in the bending and twisting process are increased, the load born by the power supply wire core and the control wire core is reduced, and further, the occurrence of core breaking and wire breaking is reduced.
2. The outer diameter ratio of the power wire core to the control wire core is optimized to be 9: 10-12.5: 10, the circular section of the cable is favorably ensured, when the cable is subjected to torsional bending, the foamed polypropylene insulating layer and the iron powder polypropylene resin insulating layer slide, the bending resistance is improved, and the cable is durable in use.
And 3, the PFA insulating layer and the foamed polypropylene insulating layer are in a non-bonding state, and the foamed polypropylene insulating layer bears larger stretching force than the PFA insulating layer, so that the stretching borne by the PFA insulating layer can be effectively slowed down, and the bending resistance is improved.
4. The iron powder polypropylene resin insulating layer adopts the iron powder polypropylene composite resin area that iron powder filler and polypropylene resin are compound to form, the polypropylene resin basic unit can help reducing the stress concentration of shielding netted conductor layer, reduce the moment of torsion, improve antitorque commentaries on classics nature, the signal or the noise that shielding netted conductor layer can effectual suppression inside leaks to the outside and suppresses the interference that comes from the external signal, and, further absorb the noise interference that comes from the outside and convert the heat into through iron powder polypropylene resin insulating layer, the external noise interference ability of having strengthened suppression, improve the noise shielding characteristic.
Drawings
Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention.
In the figure: the cable comprises a power supply wire core, a control wire core, a 3-central polypropylene fiber core, a 4-iron powder polypropylene resin insulating layer, a 5-shielding mesh conductor layer, a 6-PVC outer sheath, a 7-gap, a 8-first inner conductor, a 9-first PFA insulating layer, a 10-first foamed polypropylene insulating layer, a 11-pair twisted wire core, a 12-second foamed polypropylene insulating layer, a 13-second inner conductor and a 14-second PFA 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 core breakage preventing 9-core communication cable according to the embodiment of the present invention includes seven power cores 1 and two control cores 2, which are twisted together around a central polypropylene fiber core material 3 to form a cable core, and preferably, an outer diameter ratio of the power cores 1 to the control cores 2 is 9:10 to 12.5: 10. The lay length of the cable core is 10-20 times of the outer diameter of the power supply wire core 1. The cable core outside cladding has iron powder polypropylene resin insulating layer 4, shielding netted conductor layer 5 and PVC oversheath 6 in proper order, and in an embodiment, iron powder polypropylene resin insulating layer 4 is that one-way spiral of iron powder polypropylene composite resin area is taken to cover and is lapped the package structure. In one embodiment, the shielding mesh conductor layer 5 is formed by mixing and spirally winding two kinds of tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, wherein the wire diameter of the tinned copper wire is 0.01-0.04 mm, and the weaving density is 92-95%. The PVC outer sheath 6 is preferably 1.2mm to 1.8mm thick.
All through filling between the power sinle silk 1 and each adjacent sinle silk of control sinle silk 2 the setting of interval is kept to central polypropylene fiber core 3, and is further, the interval distance is 0.1mm to 0.4 mm. And a gap 7 is formed between the power wire core 1, the control wire core 2 and the iron powder polypropylene resin insulating layer 4. The power sinle silk 1 includes first inner conductor 8 and cladding in proper order the outside first PFA insulating layer 9 and the first foaming polypropylene insulating layer 10 of first inner conductor 8, the external diameter of first inner conductor 8 is 1.6mm to 3mm, and specifically speaking, first inner conductor 8 comprises the concentric transposition of a plurality of diameters for tin-plated copper monofilament to 0.12mm to 0.25 mm. The first PFA insulating layer 9 and the first foamed polypropylene insulating layer 10 have a total thickness of 0.2mm to 0.45 mm. The control sinle silk 2 includes the sinle silk body that 11 pair twists of two pair twist sinle silks constitute, the outside cladding of sinle silk body has second expanded polypropylene insulating layer 12, pair twist sinle silk 11 includes second inner conductor 13 and second PFA insulating layer 14. Specifically, the second inner conductor 13 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.02mm to 0.05 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. Prevent disconnected core type 9 core communication cable, characterized by: the cable comprises seven power wire cores (1) and two control wire cores (2) which are jointly twisted around a central polypropylene fiber core (3) to form a cable core, wherein the cable core is sequentially coated with an iron powder polypropylene resin insulating layer (4), a shielding mesh conductor layer (5) and a PVC outer sheath (6), gaps (7) are formed between the power wire cores (1) and adjacent wire cores of the control wire cores (2) by filling the central polypropylene fiber core (3), the power wire cores (1) and the control wire cores (2) and the iron powder polypropylene resin insulating layer (4) together, each power wire core (1) comprises a first inner conductor (8), a first PFA insulating layer (9) and a first foaming polypropylene insulating layer (10) which are sequentially coated outside the first inner conductor (8), and the outer diameter of each first inner conductor (8) is 1.6mm to 3mm, the control sinle silk (2) include the sinle silk body that two pair twist sinle silks (11) pair twist constitute, the outside cladding of sinle silk body has second expanded polypropylene insulating layer (12), pair twist sinle silk (11) include second inner conductor (13) and second PFA insulating layer (14).
2. The break resistant 9-core communication cable of claim 1, wherein: the power core (1) and the control core (2) have an outer diameter ratio of 9:10 to 12.5: 10.
3. The break resistant 9-core communication cable of claim 1, wherein: the first PFA insulating layer (9) and the first foamed polypropylene insulating layer (10) have a total thickness of 0.2mm to 0.45 mm.
4. The break resistant 9-core communication cable of claim 1, wherein: the first inner conductor (8) is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.12mm to 0.25 mm.
5. The break resistant 9-core communication cable of claim 1, wherein: the second inner conductor (13) is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.02mm to 0.05 mm.
6. The break resistant 9-core communication cable of claim 1, wherein: the iron powder polypropylene resin insulating layer (4) is of an iron powder polypropylene composite resin belt one-way spiral lapping and covering wrapping structure.
7. The break resistant 9-core communication cable of claim 1, wherein: the shielding mesh conductor layer (5) is formed by mixing and spirally winding two tinned copper wires with different wire diameters and a wire diameter ratio of 0.9-1, wherein the wire diameter of each tinned copper wire is 0.01-0.04 mm, and the weaving density is 92-95%.
8. The break resistant 9-core communication cable of claim 1, wherein: the thickness of the PVC outer sheath (6) is 1.2mm to 1.8 mm.
9. The break resistant 9-core communication cable of claim 1, wherein: the lay length of the cable core is 10-20 times of the outer diameter of the power wire core (1).
10. The break resistant 9-core communication cable of claim 1, wherein: the spacing distance between each adjacent wire core of the power wire core (1) and the control wire core (2) is 0.1mm to 0.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831743.9U CN214505116U (en) | 2021-04-22 | 2021-04-22 | Anti-core-breaking 9-core communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120831743.9U CN214505116U (en) | 2021-04-22 | 2021-04-22 | Anti-core-breaking 9-core communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505116U true CN214505116U (en) | 2021-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120831743.9U Expired - Fee Related CN214505116U (en) | 2021-04-22 | 2021-04-22 | Anti-core-breaking 9-core communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214505116U (en) |
-
2021
- 2021-04-22 CN CN202120831743.9U patent/CN214505116U/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: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |