CN202677961U - Data-signal flexible cable used for city track traffic - Google Patents
Data-signal flexible cable used for city track traffic Download PDFInfo
- Publication number
- CN202677961U CN202677961U CN 201220313457 CN201220313457U CN202677961U CN 202677961 U CN202677961 U CN 202677961U CN 201220313457 CN201220313457 CN 201220313457 CN 201220313457 U CN201220313457 U CN 201220313457U CN 202677961 U CN202677961 U CN 202677961U
- Authority
- CN
- China
- Prior art keywords
- cable
- wire
- copper
- wrapped
- line
- 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
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a data-signal flexible cable used for city track traffic. The cable comprises at least three shielding wire groups which are wrapped with a first polyester belt. The shielding wire group comprises at least two twisting single wires which are formed by intertwisting 7 copper wires. 1 copper wire in the 7 copper wires is located at a center position and the other 6 copper wires are intertwisted on a surface of the copper wire which is located at the center position. The two twisting single wires are wrapped with a second polyester belt. The external surface of the second polyester tape is covered with a wire resistance shielding layer. The external surface of the wire resistance shielding layer is wrapped with a wire resistance separation layer. A wire group drainage line is located between the second polyester belt and the wire resistance shielding layer. The external surface of the first polyester tape is wrapped with a cable fireproof tape wrapping layer. The external surface of the cable fireproof tape wrapping layer is wrapped with a cable shielding armor layer. By using the data-signal flexible cable of the utility model, soft performance of the cable is ensured and simultaneously a service life of the flexible cable in a working temperature which is above 20 DEG C is prolonged. An intercepting quantity is increased by more than 25%.
Description
Technical field
The utility model relates to the fire resistant railway traffic signal cable field, is specifically related to a kind of digital signal flexible cable for urban track traffic.
Background technology
In the rail traffic signal systems such as railway, subway, light rail, be used for the signal cable of transporting rail traffic signals, its conductor is single core copper conductor, and cable shield is the vertical bag of copper strips or wrapped, and the armature of cable mode is two wrapped armourings of steel band.Conventional signal cable does not possess fire-retardant and fire-resistant dual-use function.The signal cable of said structure, conductor owing to the factor such as heating, oxidation and hardening, becoming fragile, cause the end easily to rupture in long-term use procedure; The structure limitation of cable makes that its bending property is poor, the flame-retardant poor performance of cable.
Summary of the invention
The utility model purpose provides a kind of digital signal flexible cable for urban track traffic, and this digital signal flexible cable improves again it in working temperature useful life more than 20 ℃, and improves the amount of damming more than 25% when guaranteeing the cable softness.
For achieving the above object, the technical solution adopted in the utility model is: a kind of digital signal flexible cable for urban track traffic, comprise at least three shielding conductor groups by the wrapped coating of the first polyester belt, this shielding conductor group comprises at least two by 7 stranded stranded single lines that form of copper wire, 1 copper wire is positioned at the center in described 7 copper wires, the stranded described copper wire surface in being positioned at the center of all the other 6 copper wires;
This stranded single line outer surface has a single line insulating barrier,
Described at least two stranded single lines are by the wrapped coating of the second polyester belt, and this second polyester belt outer surface covers wired resistance screen, and a line intercepts absciss layer and is coated on described line resistance screen outer surface; One line group drain wire hinders between the screen at described the second polyester belt and line,
One cable fire belting layer is coated on described the first polyester belt outer surface;
One cable shield armour is coated on described cable fire belting layer outer surface;
One protective coverings of cable is coated on described cable shield armour outer surface.
Further improve technical scheme in the technique scheme as follows:
1. in the such scheme, described line group screen is that the tinned copper wire braiding of φ 0.10～φ 0.15 mm forms by the multiply diameter, and count is not less than 90%, and the shielding rejection coefficient is not more than 0.07.
2. in the such scheme, it is 0.08～0.15mm that described line intercepts the absciss layer thickness range.
3. in the such scheme, the wrapped number of plies of fire-resistant wrapping tape is 2 layers in the described cable fire belting layer.
4. in the such scheme, a cable drain wire is between described cable fire belting layer and cable shield armour, and this cable drain wire is the tin-coated copper single line, and its wire diameter is φ 0.50～φ 0. 80 mm.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
1. the utility model is used for the digital signal flexible cable of urban track traffic, the shielding conductor group adopts and comprises at least two by 7 stranded stranded single lines that form of copper wire, replace existing single core copper conductor, when guaranteeing the cable softness, improve again it in working temperature useful life more than 20 ℃, and improve the amount of damming more than 25%.
2. the utility model is used for the digital signal flexible cable of urban track traffic, described line group screen is that the tinned copper wire braiding of φ 0.10～φ 0.15 mm forms by the multiply diameter, count is not less than 90%, the shielding rejection coefficient is not more than 0.07, electrical isolation between the realization group, interference performance between anti-group of the raising cable.
Description of drawings
Accompanying drawing 1 is the utility model shielding conductor group structural representation;
Accompanying drawing 2 is used for the digital signal soft cable structure schematic diagram of urban track traffic for the utility model.
In the above accompanying drawing: 1, the first polyester belt; 2, shielding conductor group; 3, copper wire; 4, stranded single line; 5, single line insulating barrier; 6, the second polyester belt; 7, line resistance screen; 8, line intercepts absciss layer; 9, line group drain wire; 10, cable fire belting layer; 11, cable shield armour; 12, protective coverings of cable; 13, cable drain wire.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of digital signal flexible cable for urban track traffic, comprise at least three shielding conductor groups 2 by the 1 wrapped coating of the first polyester belt, this shielding conductor group 2 comprises at least two by 7 copper wires, the 3 stranded stranded single lines 4 that form, 1 copper wire is positioned at the center in described 7 copper wires 3, the stranded described copper wire surface in being positioned at the center of all the other 6 copper wires;
These stranded single line 4 outer surfaces have a single line insulating barrier 5,
Described at least two stranded single lines 4 are by the 6 wrapped coatings of the second polyester belt, and these the second polyester belt 6 outer surfaces cover wired resistance screen 7, one lines obstruct absciss layer 8 and are coated on described line resistance screen 7 outer surfaces; One line group drain wire 9 is between described the second polyester belt 6 and line resistance screen 7;
One cable fire belting layer 10 is coated on described the first polyester belt 1 outer surface;
One cable shield armour 11 is coated on described cable fire belting layer 10 outer surfaces;
One protective coverings of cable 12 is coated on described cable shield armour 11 outer surfaces;
One cable drain wire 13 is between described cable fire belting layer 10 and cable shield armour 11, and this cable drain wire 13 is the tin-coated copper single line, and its wire diameter is φ 0.50～φ 0. 80 mm.
Above-mentioned line group screen 7 is that the tinned copper wire braiding of φ 0.10～φ 0.15 mm forms by the multiply diameter, and count is not less than 90%, and the shielding rejection coefficient is not more than 0.07.
It is 0.08～0.15mm that above-mentioned line intercepts absciss layer 8 thickness ranges.
The wrapped number of plies of fire-resistant wrapping tape is 2 layers in the above-mentioned cable fire belting layer 10.
When adopting above-mentioned digital signal flexible cable, its shielding conductor group adopts and comprises at least two by 7 stranded stranded single lines that form of copper wire, replace existing single core copper conductor, when guaranteeing the cable softness, improve again it in working temperature useful life more than 20 ℃, and improve the amount of damming more than 25%; Secondly, its line group screen is that the tinned copper wire braiding of φ 0.10～φ 0.15 mm forms by the multiply diameter, and count is not less than 90%, and the shielding rejection coefficient is not more than 0.07, and the electrical isolation between the realization group improves interference performance between anti-group of cable.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (5)
1. digital signal flexible cable that is used for urban track traffic, it is characterized in that: comprise at least three the shielding conductor groups (2) by the wrapped coating of the first polyester belt (1), this shielding conductor group (2) comprises at least two by the stranded stranded single line (4) that forms of 7 copper wires (3), 1 copper wire is positioned at the center in described 7 copper wires (3), the stranded described copper wire surface in being positioned at the center of all the other 6 copper wires;
This stranded single line (4) outer surface has a single line insulating barrier (5),
Described at least two stranded single lines (4) are by the wrapped coating of the second polyester belt (6), and this second polyester belt (6) outer surface covers wired resistance screen (7), and a line intercepts absciss layer (8) and is coated on described line resistance screen (7) outer surface; One line group drain wire (9) is positioned between described the second polyester belt (6) and the line resistance screen (7) (subordinate),
One cable fire belting layer (10) is coated on described the first polyester belt (1) outer surface;
One cable shield armour (11) is coated on described cable fire belting layer (10) outer surface;
One protective coverings of cable (12) is coated on described cable shield armour (11) outer surface.
2. digital signal flexible cable according to claim 1 is characterized in that: described line group screen (7) is that the tinned copper wire braiding of φ 0.10～φ 0.15 mm forms by the multiply diameter, and count is not less than 90%, and the shielding rejection coefficient is not more than 0.07.
3. digital signal flexible cable according to claim 1 is characterized in that: it is 0.08～0.15mm that described line intercepts absciss layer (8) thickness range.
4. digital signal flexible cable according to claim 1 is characterized in that: the wrapped number of plies of fire-resistant wrapping tape is 2 layers in the described cable fire belting layer (10).
5. digital signal flexible cable according to claim 1, it is characterized in that: a cable drain wire (13) is positioned between described cable fire belting layer (10) and the cable shield armour (11), this cable drain wire (13) is the tin-coated copper single line, and its wire diameter is φ 0.50～φ 0. 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313457 CN202677961U (en) | 2012-06-29 | 2012-06-29 | Data-signal flexible cable used for city track traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313457 CN202677961U (en) | 2012-06-29 | 2012-06-29 | Data-signal flexible cable used for city track traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677961U true CN202677961U (en) | 2013-01-16 |
Family
ID=47498847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313457 Expired - Fee Related CN202677961U (en) | 2012-06-29 | 2012-06-29 | Data-signal flexible cable used for city track traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871560A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free anti-interference digital signal cable for railway |
| CN107274978A (en) * | 2017-06-23 | 2017-10-20 | 安徽华星电缆集团有限公司 | Flat type cable and preparation method thereof |
-
2012
- 2012-06-29 CN CN 201220313457 patent/CN202677961U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871560A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Low-smoke halogen-free anti-interference digital signal cable for railway |
| CN103871560B (en) * | 2014-02-23 | 2015-12-02 | 安徽华海特种电缆集团有限公司 | The anti-interference railway digital signal cable of a kind of low smoke and zero halogen |
| CN107274978A (en) * | 2017-06-23 | 2017-10-20 | 安徽华星电缆集团有限公司 | Flat type cable and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208111115U (en) | A kind of urban track traffic high-performance active beacon cable | |
| CN104167254B (en) | Double-sheath high voltage connecting cable used in electric vehicle and provided with ultra-soft aluminum conductor and method for manufacturing double-sheath high voltage connecting cable | |
| CN101901644A (en) | Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable | |
| CN202677962U (en) | Railway traffic signal transmission cable | |
| CN202677961U (en) | Data-signal flexible cable used for city track traffic | |
| CN202332403U (en) | Flame-retardant waterproof composite shielding high-frequency digital cable | |
| CN203659473U (en) | Anti-compression flat cable | |
| CN203659463U (en) | A multi-composite highly-electromagnetic shielding rail traffic communication signal cable | |
| CN102768879B (en) | Flame retardant fire-resistant track traffic signal flexible cable | |
| CN202796114U (en) | Copper-wire-woven shielding transponder data transmission cable | |
| CN202677872U (en) | Digital signal cable applied to track traffic system | |
| CN201425847Y (en) | Low smoke HFFR combined shielding metro light rail signal cable | |
| CN205038996U (en) | Heat -resisting fire -retardant fire prevention control cable | |
| CN204792084U (en) | Low smoke and zero halogen high voltage power cable | |
| CN204010816U (en) | High insulation shielding soft type digital cable | |
| CN203433852U (en) | Shielded control cable for bullet trains | |
| CN203026223U (en) | Fire-resistant flame retardant tensile double shielded cable | |
| CN103515016B (en) | High speed flexible cable for signal communication | |
| CN105244115A (en) | Braided shielding transponder data transmission cable with semi-conductive structure | |
| CN202650610U (en) | Cable for silicon-rubber insulated butyronityile-sheath shielding frequency converter | |
| CN203871012U (en) | Framework anti-compression control cable | |
| CN103700435B (en) | Fire safe type railroad communications flexible cable | |
| CN102800386A (en) | Copper-wire-knitted data transmission cable for shielding transponder | |
| CN202258440U (en) | Flame-retarding fire-resisting flexible cable for equipment | |
| CN206098012U (en) | Total electric control cable of high speed train locomotive |
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: 20130116 Termination date: 20140629 |
|
| EXPY | Termination of patent right or utility model |