CN211265056U - Durable small-diameter communication cable - Google Patents
Durable small-diameter communication cable Download PDFInfo
- Publication number
- CN211265056U CN211265056U CN202020226138.4U CN202020226138U CN211265056U CN 211265056 U CN211265056 U CN 211265056U CN 202020226138 U CN202020226138 U CN 202020226138U CN 211265056 U CN211265056 U CN 211265056U
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- Prior art keywords
- layer
- copper
- core
- durable
- cable
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- 238000004891 communication Methods 0.000 title claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 3
- 239000011737 fluorine Substances 0.000 claims abstract description 3
- 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 11
- 239000011889 copper foil Substances 0.000 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 claims description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 4
- 229910000077 silane Inorganic materials 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-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
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000005253 cladding Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 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
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a durable type thin footpath communication cable, twist jointly including four pair twist sinle silks, a drainage sinle silk and a plurality of packing core strip and constitute the cable core, the outside cladding in proper order of cable core is provided with first fluororesin and winds band layer, first copper and moulds compound area around covering, first shielding mesh conductor layer, water blocking layer and oversheath, pair twist sinle silk includes that two insulation core pair twist construct the line core, the sinle silk external diameter is no longer than 3mm, the outside of line core has cladding in proper order that second fluorine resin winds band layer, second copper and moulds compound area around covering, second shielding mesh conductor layer and second insulating layer, insulation sinle silk includes the inner conductor and wraps up the outside first insulating layer of inner conductor, pair twist sinle silk external diameter is no longer than 4.5 mm. The communication cable can realize the manufacture of a small-diameter cable on the basis of ensuring excellent mechanical property and electrical property.
Description
Technical Field
The utility model relates to a communication cable technical field especially relates to a thin footpath communication cable of durable type.
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. Among them, twisted pair cables are one of the most commonly used wiring materials for integrated wiring, and are widely used in data communication networks. Due to rapid development of transmission technology, maintenance testing technology and the like, on the basis of maintaining excellent mechanical properties and electrical characteristics, the twisted pair cable gradually tends to develop the trend of diameter reduction and weight reduction, which brings a plurality of benefits such as convenient transportation, low manufacturing cost, economy, practicality and the like to industrial technology, and therefore, the development of diameter reduction and weight reduction becomes a main subject of research and development of the twisted pair cable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a durable type thin footpath communication cable, on the basis of guaranteeing good mechanical properties and electrical characteristic, realizes thin footpath cable fabrication.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
Durable type thin footpath communication cable, constitute the cable core including four pair twist sinle silks, a drainage sinle silk and a plurality of packing core strip transposition jointly, the outside cladding in proper order of cable core is provided with first fluororesin and winds band layer, first copper and moulds compound area around covering, first shielding mesh conductor layer, water blocking layer and oversheath, pair twist sinle silk includes two insulation core pair twist constitution line core bodies, sinle silk external diameter is no longer than 3mm, the outside cladding in proper order of line core body has second fluororesin to wind band layer, second copper and moulds compound area around covering, second shielding mesh conductor layer and second insulating layer, insulation sinle silk includes the inner conductor and wraps up the outside first insulating layer of inner conductor, pair twist sinle silk external diameter is no longer than 4.5 mm.
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 first copper-plastic composite tape wrapping layer and the second copper-plastic composite tape wrapping layer are 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 thickness of the second insulating layer is not more than 0.8 mm.
Preferably, the first insulating layer has a thickness of not more than 0.45 mm.
Preferably, the first insulating layer and the second insulating layer are both PE, PP or PVC insulating layers.
Preferably, the filling core bar is a PP resin core bar.
Preferably, the water-blocking layer is a high-density polyethylene resin, a low-density polyethylene resin or a linear low-density polyethylene resin layer with a saturated water absorption of less than 0.5%.
Preferably, the first shielding mesh conductor layer and the second shielding mesh conductor layer are formed by weaving polyester fiber copper foil wires and tin-plated copper monofilaments in a reverse spiral winding manner.
Preferably, the outer sheath is a silane grafted cross-linked high density polyethylene outer sheath.
The utility model has the advantages that:
1. adopt the diameter to be 0.05mm to 0.08 mm's tin-plated copper monofilament, its tensile strength is greater than 330MPa, the elongation is greater than 5%, make the inner conductor have better pliability and electrical characteristic, difficult emergence fracture, improve the reliability, the hank of inner conductor is to the opposite with the hank of line core body, can reduce tin-plated copper monofilament's torsional stress, restrain monofilament deformation, improve the stability of line core body, improve the pliability of cable, simultaneously, under the circumstances of guaranteeing cable core mechanical strength, make the external diameter of line core body no longer than 3mm and the external diameter of pair-twisting line core no longer than 4.5mm, obtain thin footpath, the effect of lightweight.
2. The pair twist sinle silk has copper and moulds compound area around covering and second shielding mesh conductor layer, make to have excellent mutual shielding effect between the pair twist sinle silk, the effectual signal interference that crosstalk between the pair twist sinle silk arouses that has suppressed, rethread first copper is moulded compound area around the covering, the effectual inside signal of suppression of first shielding mesh conductor layer or noise leak to outside and restrain the interference that comes from external signal, copper is moulded compound area and is included outer and the PET film inlayer of copper foil area, make this shielding layer be difficult for appearing the phenomenon of splitting, first and second shielding mesh conductor layer has better bending resistance, durable use, and service life is prolonged.
3. First fluororesin is around band layer and second fluororesin around band layer, can effectively restrain the copper and mould compound area and around the easy flexional unsmooth phenomenon that appears when the package, and then, improve the stability that strengthens shielding characteristic, the compound area clearance of copper moulding is around the package, reduces the cost of manufacture, reduces the preparation technology degree of difficulty, shields netted conductor layer and can mould compound area good contact with the copper, guarantees effectual shielding performance.
4. The silane grafted and crosslinked high-density polyethylene outer sheath has a small static friction coefficient, is easy to make in a small diameter mode, and improves the flexibility and the bending resistance of the cable.
Drawings
FIG. 1 is a schematic cross-sectional structural view of an embodiment of the present application;
fig. 2 is a schematic cross-sectional structure diagram of a twisted pair wire core according to an embodiment of the present application.
In the figure: 1-twisted wire core, 2-drain wire core, 3-filling core strip, 4-first fluororesin wrapping layer, 5-first copper-plastic composite tape wrapping layer, 6-first shielding mesh conductor layer, 7-water-blocking layer, 8-outer sheath, 9-insulating wire core, 10-second fluororesin wrapping layer, 11-second copper-plastic composite tape wrapping layer, 12-second shielding mesh conductor layer, 13-second insulating layer, 14-inner conductor and 15-first 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 discloses durable type thin footpath communication cable, twist jointly including four pair twist sinle silks 1, a drain sinle silk 2 and a plurality of packing core strip 3 and constitute the cable core, pair twist sinle silk 1 includes that two insulation core 9 pair twists constitution line core, insulation core 9 includes inner conductor 14 and parcel is in the 14 outside first insulation layer 15 of inner conductor, specific theory, inner conductor 14 comprises the concentric transposition of a plurality of tin-plated copper monofilament, inner conductor 14 hank to with line core hank is opposite, tin-plated copper monofilament's diameter is 0.05mm to 0.08 mm. The outer diameter of the wire core body is not more than 3mm, and the outer diameter of the twisted wire core 1 is not more than 4.5 mm. The filler core 3 is, for example, a PP resin core.
The cable comprises a cable core and is characterized in that a first fluororesin winding and wrapping layer 4, a first copper-plastic composite winding layer 5, a first shielding mesh-shaped conductor layer 6, a water blocking layer 7 and an outer sheath 8 are sequentially coated and arranged outside the cable core. Preferably, the first insulating layer 15 has a thickness of not more than 0.45 mm. Preferably, the water blocking layer 7 is a high density polyethylene resin, a low density polyethylene resin or a linear low density polyethylene resin layer having a saturated water absorption of less than 0.5%. Preferably, the outer sheath 8 is a silane grafted cross-linked high density polyethylene outer sheath.
As shown in fig. 2, the outside of the wire core body is sequentially coated with a second fluorine resin winding and wrapping layer 10, a second copper-plastic composite winding layer 11, a second shielding mesh conductor layer 12 and a second insulating layer 13. Preferably, the thickness of the second insulating layer 13 is not more than 0.8 mm.
Specifically, the first insulating layer 15 and the second insulating layer 13 may be PE, PP, or PVC insulating layers. The first shielding mesh-shaped conductor layer 6 and the second shielding mesh-shaped conductor layer 12 are formed by weaving polyester fiber copper foil wires and tin-plated copper monofilaments in a reverse spiral winding mode. The first copper-plastic composite tape wrapping layer 5 and the second copper-plastic composite tape wrapping layer 11 are 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.
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. Durable type thin footpath communication cable, characterized by: comprises four twisted-pair wire cores (1), a drain wire core (2) and a plurality of filling core strips (3) which are twisted together to form a cable core, a first fluororesin winding and wrapping layer (4), a first copper-plastic composite tape winding layer (5), a first shielding mesh conductor layer (6), a water blocking layer (7) and an outer sheath (8) are sequentially coated outside the cable core, the pair twisted wire core (1) comprises two insulated wire cores (9) which are twisted in pairs to form a wire core body, the outer diameter of the wire core body is not more than 3mm, a second fluorine resin winding and wrapping layer (10), a second copper-plastic composite tape winding layer (11), a second shielding mesh conductor layer (12) and a second insulating layer (13) are sequentially coated outside the wire core body, the insulated wire core (9) comprises an inner conductor (14) and a first insulating layer (15) wrapped outside the inner conductor (14), and the outer diameter of the twisted wire core (1) is not more than 4.5 mm.
2. The durable, small-diameter communications cable of claim 1, wherein: the inner conductor (14) is formed by concentrically twisting a plurality of tinned copper monofilaments, the twisting direction of the inner conductor (14) is opposite to that of the wire core body, and the diameter of each tinned copper monofilament is 0.05 mm-0.08 mm.
3. The durable, small-diameter communications cable of claim 1, wherein: the first copper-plastic composite tape wrapping layer (5) and the second copper-plastic composite tape wrapping layer (11) are 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.
4. The durable, small-diameter communications cable of claim 1, wherein: the thickness of the second insulating layer (13) is not more than 0.8 mm.
5. The durable, small-diameter communications cable of claim 1, wherein: the first insulating layer (15) has a thickness of not more than 0.45 mm.
6. The durable, small-diameter communications cable of claim 1, wherein: the first insulating layer (15) and the second insulating layer (13) are both PE, PP or PVC insulating layers.
7. The durable, small-diameter communications cable of claim 1, wherein: the filling core strip (3) is a PP resin core strip.
8. The durable, small-diameter communications cable of claim 1, wherein: the water-resistant layer (7) is a high-density polyethylene resin, a low-density polyethylene resin or a linear low-density polyethylene resin layer with the saturated water absorption rate of less than 0.5 percent.
9. The durable, small-diameter communications cable of claim 1, wherein: the first shielding reticular conductor layer (6) and the second shielding reticular conductor layer (12) are formed by weaving polyester fiber copper foil wires and tin-plated copper monofilaments in a reverse spiral winding mode.
10. The durable, small-diameter communications cable of claim 1, wherein: the outer sheath (8) is a silane grafted cross-linked high-density polyethylene outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226138.4U CN211265056U (en) | 2020-02-28 | 2020-02-28 | Durable small-diameter communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226138.4U CN211265056U (en) | 2020-02-28 | 2020-02-28 | Durable small-diameter communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265056U true CN211265056U (en) | 2020-08-14 |
Family
ID=71954390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226138.4U Expired - Fee Related CN211265056U (en) | 2020-02-28 | 2020-02-28 | Durable small-diameter communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265056U (en) |
-
2020
- 2020-02-28 CN CN202020226138.4U patent/CN211265056U/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: 20200814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |