CN203433835U - Non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains - Google Patents
Non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains Download PDFInfo
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- CN203433835U CN203433835U CN201320452209.2U CN201320452209U CN203433835U CN 203433835 U CN203433835 U CN 203433835U CN 201320452209 U CN201320452209 U CN 201320452209U CN 203433835 U CN203433835 U CN 203433835U
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- halogen
- insulation
- sheath
- motor
- control cables
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Abstract
The utility model provides a non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains. The control cable comprises a sheath, an isolating layer covered with the sheath, a shielding layer covered with the isolating layer, a plurality of groups of combined cores which are housed in the shielding layer, wherein the combined core is formed by twisting a plurality of cores, the core comprises conductors and an insulation covering the conductors, the conductor is formed by twisting a plurality of metal single wires, the insulation layer and the sheath are formed by thin-wall extrusion technology, the insulation layer is formed by a low-smoke non-halogen insulation material, and the sheath is formed by a low-smoke non-halogen sheath material. When the control cable with small external diameter burns, the smoke is low without halogen and the fireproof performance of the control cable is good, so that the control cable can be mounted and laid in slit spaces such as in rail vehicles, high-speed bullet train projections or outer cable slots.
Description
Technical field
The utility model relates to cable technology field, relates in particular to the motor-car control cables of a kind of halogen-free flameproof thin wall type sheath and insulation.
Background technology
Although wires and cables industry is a supporting industry just, but in occupation of the output value of Chinese electrician trade 1/4, its product category is numerous, apply very extensive, " artery " and " nerve " that are called as national economy, control cables has transmission because of it, the functions such as control and measurement signal, be applied in more and more widely industrial and mineral, the industry such as the energy and track traffic, fast development along with control cables industry, relevant research staff changes and constantly studies for current needs trend, develop the control cables of multiple different functions, but still can not meet demand, how to prepare a kind of external diameter little, low cigarette, Halogen, fire-retardant motor-car becomes present technical staff's problem demanding prompt solution with control cables.
Utility model content
The motor-car control cables that the utility model proposes a kind of halogen-free flameproof thin wall type sheath and insulation, this control cables external diameter is little, low cigarette, Halogen, fire-retardant, long service life.
The motor-car control cables of a kind of halogen-free flameproof thin wall type sheath and insulation, comprise sheath, the separator being coated by sheath, be isolated the coated screen of layer, be contained in many groups of combination cores in screen, described combination core is by many stranded the forming of core, described core comprises conductor, is coated on the insulating barrier outside conductor, conductor adopts many stranded the forming of single metal wire, wherein, insulating barrier and sheath are used thin-walled extruding technology to be prepared from, insulating barrier adopts low smoke and zero halogen insulating material to make, and sheath adopts low smoke and zero halogen sheath material to make.
Preferably, insulating barrier and sheath adopt the III class oil resistance material that meets standard code to make.
Preferably, in described screen, there are 3 groups of combination cores.
Preferably, described combination core is by 2 stranded forming of core.
Preferably, screen consists of the braiding structure of tinned copper wire.
Preferably, described screen count is greater than 80%.
Preferably, many group combination cores adopt pair twist structure mutually stranded.
Preferably, the twisting pitch that many groups combine cores is not more than 16 times of stranded external diameter.
Preferably, conductor twists by five class tinned copper wires the flexible conductor forming with one heart.
Preferably the twisting pitch of conductor is no more than 20 times of conductor diameter.
In the utility model, the motor-car control cables of described halogen-free flameproof thin wall type sheath and insulation, insulating barrier is made by low smoke and zero halogen insulating material, and restrictive coating is made by low smoke and zero halogen sheath material, the low cigarette of control cables, the Halogen, fire-retardant that make, long service life; Insulating barrier and sheath are used thin-walled extruding technology to make, and make shielded type cable external diameter less; Adopt many group combination core pair twist structures and woven shield, anti-electromagnetic interference capability is strong; Conductor adopts five class tinned copper wires to twist with one heart the flexible conductor of composition, and flexibility is good, and rounding property is good, and signal attenuation is low.This control cables can be widely used in the narrow spaces such as rail vehicle, EMU project inside or external cable groove.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of control cables for the motor-car of a kind of halogen-free flameproof thin wall type sheath that the utility model proposes and insulation.
Embodiment
As shown in Figure 1, be the motor-car of a kind of halogen-free flameproof thin wall type sheath that the utility model proposes and the insulation cross-sectional view with control cables.
With reference to Fig. 1, the utility model proposes the motor-car control cables of a kind of halogen-free flameproof thin wall type sheath and insulation, wherein, the outer insulating barrier 2 that is surrounded by of conductor thread core 1, conductor thread core 1 and insulating barrier 2 form core, conductor 1 twists with one heart flexible conductor by the five class tinned copper wires that meet standard and forms, and twisting pitch is no more than 20 times of conductor diameter.Conductor twists by five class tinned copper wires the flexible conductor forming with one heart, and flexibility is good, and rounding property is good, and signal attenuation is low, and terminal during constructability wiring is installed; Insulating barrier 2 adopts the III class oil resistance material that meets standard code to make by thin-walled extruding technology, and insulating barrier 2 external diameters of making are little, low cigarette, and Halogen, fire-retardant.
6,3 groups of combination cores of one group of combination core of the mutual stranded composition of every two cores are the stranded cable core that forms a whole mutually, and wherein, twisting pitch is not more than 16 times of stranded external diameter; Adopt 3 pairs to line unit lay configuration, can resist a part of external electromagnetic wave interference, reduce the external interference of self signal.
At cable core, be coated with successively from inside to outside screen 3, separator 4, sheath 5 outward, screen 3 is comprised of the braiding structure of tinned copper wire, and count is greater than 80%, makes it have superior anti-electromagnetic interference performance.Separator 5 is comprised of non-water absorption polyester belt, and sheath 5 adopts the III class oil resistance material that meets standard code to make by thin-walled extruding technology, and sheath 5 external diameters of making are little, low cigarette, and Halogen, fire-retardant.
Control cables external diameter prepared by above embodiment is little, and insulating barrier 2 nominal thickness are only 0.18mm, and sheath 5 nominal thickness are only 0.5mm, and screening ability is strong, signal feebly, low cigarette, Halogen, fire-retardant, long service life.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (10)
1. the motor-car control cables of a halogen-free flameproof thin wall type sheath and insulation, it is characterized in that, comprise sheath (5), by the coated separator (4) of sheath (5), be isolated layer (4) coated screen (3), be contained in many groups of combination cores (6) in screen (3), described combination core (6) is by many stranded the forming of core, described core comprises conductor (1), be coated on the outer insulating barrier (2) of conductor (1), conductor (1) adopts many stranded the forming of single metal wire, wherein, insulating barrier (2) and sheath (5) are used thin-walled extruding technology to be prepared from, insulating barrier (2) adopts low smoke and zero halogen insulating material to make, sheath (5) adopts low smoke and zero halogen sheath material to make.
2. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, insulating barrier (2) and sheath (5) adopt the III class oil resistance material that meets standard code to make.
3. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, has 3 groups of combination cores (6) in described screen (3).
4. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, described combination core (6) is by 2 stranded forming of core.
5. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, screen (3) consists of the braiding structure of tinned copper wire.
6. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 5 and insulation, is characterized in that, described screen (3) count is greater than 80%.
7. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, many group combination cores (6) adopt pair twist structure mutually stranded.
8. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 7 and insulation, is characterized in that, the twisting pitch of many group combination cores (6) is not more than 16 times of stranded external diameter.
9. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 1 and insulation, is characterized in that, conductor (1) twists by five class tinned copper wires the flexible conductor forming with one heart.
10. the motor-car control cables of halogen-free flameproof thin wall type sheath according to claim 9 and insulation, is characterized in that, the twisting pitch of conductor (1) is no more than 20 times of conductor (1) external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452209.2U CN203433835U (en) | 2013-07-26 | 2013-07-26 | Non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320452209.2U CN203433835U (en) | 2013-07-26 | 2013-07-26 | Non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433835U true CN203433835U (en) | 2014-02-12 |
Family
ID=50062860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320452209.2U Expired - Fee Related CN203433835U (en) | 2013-07-26 | 2013-07-26 | Non-halogen fire-retardant thin-film type sheath and insulation layer control cable for bullet trains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203433835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426513A (en) * | 2013-07-26 | 2013-12-04 | 安徽省巢湖海兴电缆集团有限公司 | Halogen-free flame-retardant thin-wall-type jacketing and insulating control cable for special bullet trains |
-
2013
- 2013-07-26 CN CN201320452209.2U patent/CN203433835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426513A (en) * | 2013-07-26 | 2013-12-04 | 安徽省巢湖海兴电缆集团有限公司 | Halogen-free flame-retardant thin-wall-type jacketing and insulating control cable for special bullet trains |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20170726 |