CN203826040U - Bending-resistant local call oil charge communication wire cable - Google Patents
Bending-resistant local call oil charge communication wire cable Download PDFInfo
- Publication number
- CN203826040U CN203826040U CN201420076781.8U CN201420076781U CN203826040U CN 203826040 U CN203826040 U CN 203826040U CN 201420076781 U CN201420076781 U CN 201420076781U CN 203826040 U CN203826040 U CN 203826040U
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- China
- Prior art keywords
- bending
- black polyethylene
- resistance
- plastic composite
- wire cable
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- Expired - Fee Related
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Abstract
The utility model discloses a bending-resistant local call oil charge communication wire cable comprising a plurality pairs of conductors, a water-preventing filling material, a polyester band, a filling object, a longitudinal wrapping plastic-aluminum composite band, a black polyethylene inner protection sleeve, a rolling and wring ammonia wrapping steel and plastic composite band, and a black polyethylene outer protection sleeve; the plurality pairs of conductors are intertwisted with each other and are wrapped with the polyester band, and gaps among the plurality pairs of the intertwisted conductors are filled with the water-preventing filling material; the filling object, the longitudinal wrapping plastic-aluminum composite band, the black polyethylene inner protection sleeve, the rolling and wring ammonia wrapping steel and plastic composite band, and the black polyethylene outer protection sleeve are orderly wrapped around the outer part of the polyester band. The bending-resistant local call oil charge communication wire cable of the utility model is reasonable in structure, good in temperature resistance and bending resistance, and stable in electric power and signal transmission; the bending radius of the wire cable is 10 times as much as the diameter of an electric cable, the tensile strength of each protection sleeve is greater than or equal to 13.5 Mpa, the wire cable can be subjected to cold bending at a temperature of -20 DEG C for four hours, the bending radius of the wire cable is 8 times as much as the outer diameter of the electric cable, no cracking can be caused, and great practicality can be realized.
Description
Technical field
The utility model relates to cable technology field, is specifically related to the oil-filled communications cable of a kind of resistance to bending local telephone network.
Background technology
Local telephone communication cable is the cable for transmitting phone, telegram, fax paper, TV and broadcast program, data and other signals of telecommunication.Wire stranding by a pair of above mutually insulated forms.Telecommunication cable, compared with aerial line, has that message capacity is large, transmission stability is high, good confidentiality, is subject to the advantages such as natural conditions and external disturbance affect less.But current local telephone communication cable water resistance, resistance to bend(ing) can be all undesirable, can not meet user demand completely.
Summary of the invention
Goal of the invention: the deficiency existing for prior art, the purpose of this utility model is to provide the oil-filled communications cable of a kind of resistance to bending local telephone network, makes it have good bending property and the feature such as durable.
Technical scheme: in order to realize foregoing invention object, the technical solution adopted in the utility model is:
The oil-filled communications cable of a kind of resistance to bending local telephone network, comprises conductor that the multipair annealed copper wire being wrapped up by insulating barrier form, keeps away water packing material, polyester belt, filler, indulges alclad plastic composite strip, black polyethylene inner sheath, Zha Jiao ammonia Baogang plastic composite strip, black polyethylene oversheath; Described multipair conductor is mutually stranded, is wrapped up by polyester belt, in the gap between the multipair conductor after stranded, fills and keeps away water packing material; Wrap up successively filler, vertical alclad plastic composite strip, black polyethylene inner sheath, Zha Jiao ammonia Baogang's plastic composite strip and black polyethylene oversheath outward at described polyester belt; Wherein, the Thickness Ratio of polyester belt, vertical alclad plastic composite strip, black polyethylene inner sheath, Zha Jiao ammonia Baogang's plastic composite strip and black polyethylene oversheath is: 0.4:0.8:1 ~ 2:0.8:2.5 ~ 3.5.
The described water packing material of keeping away is petroleum jelly.
Described filler is polypropylene tearing rope.
Described annealed copper wire is 99.99% oxygen-free copper, diameter 0.5mm.
Described insulating barrier is polyethylene layer, external diameter 0.85 ± 0.1mm.
The thickness of described black polyethylene oversheath is 1.2 ± 0.1mm.
Beneficial effect: the oil-filled communications cable of resistance to bending local telephone network of the present utility model, rational in infrastructure, there is good heatproof, resistance to bend(ing) energy, antijamming capability is strong, electric power and stable signal transmission, and the bending radius of cable is 10 times of cable sizes, sheath tensile strength >=13.5Mpa, clod wash :-20 DEG C of * 4h, 8 times of the outside diameters of cable, do not ftracture; There is good practicality.
Brief description of the drawings
Fig. 1 is the structural representation of the oil-filled communications cable of resistance to bending local telephone network.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further explained
As shown in Figure 1, the oil-filled communications cable of resistance to bending local telephone network, comprise the conductor 3 that annealed copper wire 2 that multipair (10 pairs, 20 pairs, 30 pairs, 50 pairs, 100 pairs) are wrapped up by insulating barrier 1 forms, each mutually stranded to conductor 3, wrapped up by polyester belt 5, in the gap between the multipair conductor 3 after stranded, fill and keep away water packing material 4; Outside polyester belt 5, wrap up successively from inside to outside filler 6, vertical alclad plastic composite strip 7, black polyethylene inner sheath 8, Zha Jiao ammonia Baogang plastic composite strip 9 and black polyethylene oversheath 10.Wherein, keep away water packing material 4 for petroleum jelly, filler 6 is polypropylene tearing rope.Annealed copper wire 2 is 99.99% oxygen-free copper, diameter 0.5mm.Adopt high density polyethylene (HDPE) as insulation material, insulating barrier 1 external diameter 0.85 ± 0.1mm.Adopt the material of polyvinyl chloride as oversheath, thickness is 1.2 ± 0.1mm; Wherein, the Thickness Ratio of polyester belt 5, vertical alclad plastic composite strip 7, black polyethylene inner sheath 8, Zha Jiao ammonia Baogang plastic composite strip 9 and black polyethylene oversheath 10 is: 0.4:0.8:1 ~ 2:0.8:2.5 ~ 3.5.
Annealed copper wire 2 adopts the one-time formed tandem process of wire drawing and annealing extrusion molding, guarantees high-quality insulated single wire; All through online spark experiment, guarantee product integrality and fail safe at extrusion moulding, stranded every procedure; According to standard method testing product performance, the bending radius of cable is 10 times of cable sizes, sheath tensile strength >=13.5Mpa, and clod wash :-20 DEG C of * 4h, 8 times of the outside diameters of cable, do not ftracture; Characteristic impedance (Europe) 1-16MHz100 ± 15; D.C. resistance≤9.38 Europe/100m; 100 DEG C of * 14h*7d are aging, and elongation change is: 151% becomes 122%, and tensile strength is changed to: 13.7 Mpa become 12.6 Mpa.
Product of the present utility model, the audio frequency being mainly used between programme-controlled exchange intra-office main frame and exchange user is connected, and the audio frequency also can be used as between other communication equipments connects.Can support voice application, digital telephone, fax, stored-program control exchange, the connection of data equipment, branch line and the backbone etc. of telecommunication comprehensive wiring.Analog signal and 2048Kbit/s and following digital signal that can be below transmission of audio 150MHz.
Claims (6)
1. the oil-filled communications cable of resistance to bending local telephone network, is characterized in that: comprise the multipair conductor (3) be made up of the annealed copper wire (2) of insulating barrier (1) parcel, keep away water packing material (4), polyester belt (5), filler (6), indulge alclad plastic composite strip (7), black polyethylene inner sheath (8), Zha Jiao ammonia Baogang plastic composite strip (9), black polyethylene oversheath (10); Described multipair conductor (3) is mutually stranded, by polyester belt (5) parcel, in the gap between the multipair conductor (3) after stranded, fills and keeps away water packing material (4); Outside described polyester belt (5), wrap up successively filler (6), vertical alclad plastic composite strip (7), black polyethylene inner sheath (8), Zha Jiao ammonia Baogang plastic composite strip (9) and black polyethylene oversheath (10); Wherein, the Thickness Ratio of polyester belt (5), vertical alclad plastic composite strip (7), black polyethylene inner sheath (8), Zha Jiao ammonia Baogang plastic composite strip (9) and black polyethylene oversheath (10) is: 0.4:0.8:1 ~ 2:0.8:2.5 ~ 3.5.
2. the oil-filled communications cable of resistance to bending local telephone network according to claim 1, is characterized in that: described in to keep away water packing material (4) be petroleum jelly.
3. the oil-filled communications cable of resistance to bending local telephone network according to claim 1, is characterized in that: described filler (6) is polypropylene tearing rope.
4. the oil-filled communications cable of resistance to bending local telephone network according to claim 1, is characterized in that: described annealed copper wire (2) is 99.99% oxygen-free copper, diameter 0.5mm.
5. the oil-filled communications cable of resistance to bending local telephone network according to claim 1, is characterized in that: described insulating barrier (1) is polyethylene layer, external diameter 0.85 ± 0.1mm.
6. the oil-filled communications cable of resistance to bending local telephone network according to claim 1, is characterized in that: the thickness of described black polyethylene oversheath (10) is 1.2 ± 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076781.8U CN203826040U (en) | 2014-02-24 | 2014-02-24 | Bending-resistant local call oil charge communication wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076781.8U CN203826040U (en) | 2014-02-24 | 2014-02-24 | Bending-resistant local call oil charge communication wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826040U true CN203826040U (en) | 2014-09-10 |
Family
ID=51481514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420076781.8U Expired - Fee Related CN203826040U (en) | 2014-02-24 | 2014-02-24 | Bending-resistant local call oil charge communication wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097088A (en) * | 2015-09-08 | 2015-11-25 | 江苏万华通信科技有限公司 | High-performance cable |
-
2014
- 2014-02-24 CN CN201420076781.8U patent/CN203826040U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097088A (en) * | 2015-09-08 | 2015-11-25 | 江苏万华通信科技有限公司 | High-performance cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20190224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |