CN204029426U - A kind of subway cable - Google Patents
A kind of subway cable Download PDFInfo
- Publication number
- CN204029426U CN204029426U CN201420417680.2U CN201420417680U CN204029426U CN 204029426 U CN204029426 U CN 204029426U CN 201420417680 U CN201420417680 U CN 201420417680U CN 204029426 U CN204029426 U CN 204029426U
- Authority
- CN
- China
- Prior art keywords
- synthetic fibre
- conductor
- reinforcement synthetic
- fibre body
- outer reinforcement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of subway cable, comprise conductor, insulating barrier, outer reinforcement synthetic fibre body, screen and interior reinforcement synthetic fibre body, described conductor adopts the naked soft tinned copper conductor of the 5th class meeting national standard, it is characterized in that: described screen be coated on multiply wrapped after conductor and interior reinforcement synthetic fibre volume surrounding, described screen is magnetic expanded material, the gap between foam filled outer reinforcement synthetic fibre body and conductor, described screen skin is outer reinforcement synthetic fibre body, and described outer reinforcement synthetic fibre volume surrounding is insulating barrier.The utility model China and foreign countries strengthen synthetic fibre body and interior reinforcement synthetic fibre body with the use of, resistance to pressure and the resistance to ag(e)ing of cable can be improved significantly, improve the useful life of cable and the accuracy of Signal transmissions.
Description
Technical field
The utility model relates to a kind of subway cable.
Background technology
At present, the subway cable mostly used, the anti-detection of its safety, the performance such as anti-interference do not have safety assurance.So be badly in need of pushing away the anti-detection cable of new a kind of radiation proof, the technical requirement of its property can be guaranteed in use often to need mobile, therefore the instructions for uses such as withstand voltage to it, ageing-resistant, acid and alkali-resistance, waterproof are higher.And common cable product exists potential safety hazard as signal transmission and transmission power supply, on the other hand, these electric wires being bundled in one are subject to extraneous interference, and poor anti jamming capability, affects Signal transmissions, and distortion rate is high.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides and a kind ofly adopts multicore, by anti-ectocine and withstand voltage, the ageing-resistant cable designed.
For solving the problem, the technical scheme that the utility model adopts is:
A kind of subway cable, comprise conductor, insulating barrier, outer reinforcement synthetic fibre body, screen and interior reinforcement synthetic fibre body, described conductor adopts the naked soft tinned copper conductor of the 5th class meeting national standard, it is characterized in that: described screen be coated on multiply wrapped after conductor and interior reinforcement synthetic fibre volume surrounding, described screen is magnetic expanded material, the gap between foam filled outer reinforcement synthetic fibre body and conductor, described screen skin is outer reinforcement synthetic fibre body, and described outer reinforcement synthetic fibre volume surrounding is insulating barrier.
Improve as one, described conductor is that sub-thread bundle strand and layering twist mode again.
Improve as one, described insulating barrier adopts low-smoke non-halogen flame-retardant crosslinking polyolefin elastic body material.
Owing to have employed technique scheme, compared with prior art, the utility model has by anti-ectocine and withstand voltage, ageing-resistant, improves the physical life of cable and the accuracy of Signal transmissions, decreases cost.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail simultaneously.
accompanying drawing explanation
Fig. 1 is the cross section view of a kind of embodiment of the utility model.
In figure: 1-insulating barrier; 2-strengthens synthetic fibre body outward; Synthetic fibre body is strengthened in 3-; 4-screen; 5-conductor.
Embodiment
Embodiment:
As shown in Figure 1, a kind of subway cable, comprise conductor 5, insulating barrier 1, outer reinforcement synthetic fibre body 2, screen 4 and interior reinforcement synthetic fibre body 3, described conductor 5 adopts the naked soft tinned copper conductor 5 of the 5th class meeting national standard, it is characterized in that: described screen 4 be coated on multiply wrapped after conductor 5 and interior reinforcement synthetic fibre body 3 outer, described screen 4 is magnetic expanded material, gap between foam filled outer reinforcement synthetic fibre body 2 and conductor 5, described screen 4 skin is outer reinforcement synthetic fibre body 2, and described outer reinforcement synthetic fibre body 2 skin is insulating barrier.
In the utility model, described conductor 5 twists for sub-thread bundle and layering twists mode again, and described insulating barrier 1 adopts low-smoke non-halogen flame-retardant crosslinking polyolefin elastic body material.
Conductor 5 adopts the naked soft pure soft tinned copper conductor 5 of the 5th class meeting national standard, ensure that electric conductivity is more superior, and cable in use has higher flexibility, bending extension property easy to use.
Cable insulation 1 adopts low-smoke non-halogen flame-retardant crosslinking polyolefin elastic body (TPUR) material, and finished product, after cross-linking radiation, fully improves the physical and mechanical properties such as high temperature resistant, low temperature, oil resistant, the acid and alkali-resistance of cable, fire prevention, wear-resistant, waterproof.
Screen 4 is expanded material, and the gap between foam filled outer reinforcement synthetic fibre body 2 and conductor 5, not only reaches the effect of restrainting nearly conductor and be also brought in shielding external disturbance, ensure that the stable of signal transmission.
The utility model China and foreign countries strengthen synthetic fibre body and interior reinforcement synthetic fibre body with the use of, resistance to pressure and the resistance to ag(e)ing of cable can be improved significantly, improve the useful life of cable and the accuracy of Signal transmissions.
Claims (3)
1. a subway cable, comprise conductor, insulating barrier, outer reinforcement synthetic fibre body, screen and interior reinforcement synthetic fibre body, described conductor adopts the naked soft tinned copper conductor of the 5th class meeting national standard, it is characterized in that: described screen be coated on multiply wrapped after conductor and interior reinforcement synthetic fibre volume surrounding, described screen is magnetic expanded material, the gap between foam filled outer reinforcement synthetic fibre body and conductor, described screen skin is outer reinforcement synthetic fibre body, and described outer reinforcement synthetic fibre volume surrounding is insulating barrier.
2. a kind of subway cable as claimed in claim 1, is characterized in that: described conductor is that sub-thread bundle strand and layering twist mode again.
3. a kind of subway cable as claimed in claim 1, is characterized in that: described insulating barrier adopts low-smoke non-halogen flame-retardant crosslinking polyolefin elastic body material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417680.2U CN204029426U (en) | 2014-07-28 | 2014-07-28 | A kind of subway cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417680.2U CN204029426U (en) | 2014-07-28 | 2014-07-28 | A kind of subway cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029426U true CN204029426U (en) | 2014-12-17 |
Family
ID=52069261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420417680.2U Expired - Fee Related CN204029426U (en) | 2014-07-28 | 2014-07-28 | A kind of subway cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029426U (en) |
-
2014
- 2014-07-28 CN CN201420417680.2U patent/CN204029426U/en not_active Expired - Fee Related
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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: 20141217 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |