CN202677962U - Railway traffic signal transmission cable - Google Patents
Railway traffic signal transmission cable Download PDFInfo
- Publication number
- CN202677962U CN202677962U CN 201220313458 CN201220313458U CN202677962U CN 202677962 U CN202677962 U CN 202677962U CN 201220313458 CN201220313458 CN 201220313458 CN 201220313458 U CN201220313458 U CN 201220313458U CN 202677962 U CN202677962 U CN 202677962U
- Authority
- CN
- China
- Prior art keywords
- cable
- wire
- copper
- signal transmission
- traffic signal
- 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
- 230000008054 signal transmission Effects 0.000 title claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 32
- 229920000728 polyester Polymers 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009954 braiding Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 15
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 230000009970 fire resistant effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000005684 electric field Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Images
Landscapes
- Communication Cables (AREA)
- Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
Abstract
The utility model discloses a railway traffic signal transmission cable. 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. An external surface of the twisting single wire is provided with a single wire insulating layer. A cable shielding armor layer wraps on the external surface of a cable fireproof tape covering layer. The single wire insulating layer is formed by an outer single wire insulating layer and an inner single wire insulating layer located on an inner side. The cable shielding armor layer is formed by a plurality of copper-clad steel wires through braiding. The copper-clad steel wire is formed by a steel wire located at a center position and a copper layer which covers on the external surface. A diameter of the copper-clad steel wire is phi 0.10-phi 0.15mm. By using the railway traffic signal transmission cable of the utility model, mechanical strength is high; electrical field shielding and magnetic field shielding functions are realized and simultaneously a cable sheath structure is simplified. The cable is soft. Cost is low. Installation and construction are convenient.
Description
Technical field
The utility model relates to railway traffic signal cable field, is specifically related to a kind of railway traffic signal transmission cable.
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 railway traffic signal transmission cable, this railway traffic signal transmission cable has higher mechanical strength, can bear larger mechanism's external force, realize cable the functional characteristics such as electric field shielding, magnetic field shielding, cable protective layer function the time, simplified the cable sheath structure, cable is soft, cost is low, is convenient to installation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of railway traffic signal transmission cable, 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 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;
Described single line insulating barrier is comprised of outer single line insulating barrier and the single line insulating barrier that is positioned at its inboard;
Described cable shield armour is formed by the braiding of multiply welding wire, and this welding wire is comprised of the copper layer that the steel wire that is positioned at the center and outer surface coat, and this welding wire diameter is φ 0.10～φ 0.15 mm.
Further improve technical scheme in the technique scheme as follows:
1. in the such scheme, it is 0.08～0.15mm that described line intercepts the absciss layer thickness range.
2. in the such scheme, the wrapped number of plies of fire-resistant wrapping tape is 2 layers in the described cable fire belting layer.
3. in the such scheme, described the second polyester belt thickness is 0.03～0.06 mm, and described the first polyester belt thickness is 0.05～0.08 mm.
4. in the such scheme, described line group drain wire is the tin-coated copper single line, its wire diameter φ 0.30～φ 0.50 mm.
5. 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.
6. in the such scheme, a line group drain wire is between described the second polyester belt and line resistance screen.
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 cable shield armour is formed by the braiding of multiply welding wire, this welding wire is comprised of the copper layer that the steel wire that is positioned at the center and outer surface coat, this welding wire diameter is φ 0.10～φ 0.15 mm, induced current in the copper layer transmission shield on welding wire surface is mainly the electric field shielding layer; Core wire is magnetic conductor, is mainly the magnetic field shielding layer; The more traditional shielding material (copper, aluminium etc.) of welding wire has higher mechanical strength, can bear larger mechanism's external force, realize cable the functional characteristics such as electric field shielding, magnetic field shielding, cable protective layer function the time, simplified the cable sheath structure, cable is soft, cost is low, is convenient to installation.
Description of drawings
Accompanying drawing 1 is the utility model shielding conductor group structural representation;
Accompanying drawing 2 is the utility model single line insulation layer structure schematic diagram;
Accompanying drawing 3 is the utility model railway traffic signal transmission cable structural representation;
Accompanying drawing 4 is the utility model welding wire structural representation.
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; 51, outer single line insulating barrier; 52, interior 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, welding wire; 131, steel wire; 132, copper layer; 14, cable drain wire.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of railway traffic signal transmission cable, shown in accompanying drawing 1-4, 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 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;
Described single line insulating barrier 5 is comprised of outer single line insulating barrier 51 and the single line insulating barrier 52 that is positioned at its inboard;
Described cable shield armour 11 is formed by 13 braidings of multiply welding wire, and this welding wire 13 is comprised of the copper layer 132 that the steel wire 131 that is positioned at the center and outer surface coat, and these welding wire 13 diameters are φ 0.10～φ 0.15 mm;
One cable drain wire 14 is between described cable fire belting layer 10 and cable shield armour 11, and this cable drain wire 14 is the tin-coated copper single line, and its wire diameter is φ 0.50～φ 0. 80 mm;
One line group drain wire 9 is between described the second polyester belt 6 and line resistance screen 7.
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.
Above-mentioned the second polyester belt 6 thickness are 0.03～0.06 mm, and described the first polyester belt 1 thickness is 0.05～0.08 mm.
Above-mentioned line group drain wire is the tin-coated copper single line, its wire diameter φ 0.30～φ 0.50 mm.
When adopting above-mentioned railway traffic signal transmission cable, 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%; Secondly, described cable shield armour 11 is formed by 13 braidings of multiply welding wire, this welding wire 13 is comprised of the copper layer 132 that the steel wire 131 that is positioned at the center and outer surface coat, these welding wire 13 diameters are φ 0.10～φ 0.15 mm, induced current in the copper layer transmission shield on welding wire surface is mainly the electric field shielding layer; Core wire is magnetic conductor, is mainly the magnetic field shielding layer; The more traditional shielding material (copper, aluminium etc.) of welding wire has higher mechanical strength, can bear larger mechanism's external force, realize cable the functional characteristics such as electric field shielding, magnetic field shielding, cable protective layer function the time, simplified the cable sheath structure, cable is soft, cost is low, is convenient to installation.
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 (7)
1. railway traffic signal transmission cable, 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 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;
Described single line insulating barrier (5) is comprised of outer single line insulating barrier (51) and the single line insulating barrier (52) that is positioned at its inboard;
Described cable shield armour (11) is formed by multiply welding wire (13) braiding, this welding wire (13) is comprised of the copper layer (132) that the steel wire that is positioned at the center (131) and outer surface coat, and this welding wire (13) diameter is φ 0.10～φ 0.15 mm.
2. railway traffic signal transmission cable according to claim 1 is characterized in that: it is 0.08～0.15mm that described line intercepts absciss layer (8) thickness range.
3. railway traffic signal transmission 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).
4. railway traffic signal transmission cable according to claim 1, it is characterized in that: described the second polyester belt (6) thickness is 0.03～0.06 mm, described the first polyester belt (1) thickness is 0.05～0.08 mm.
5. railway traffic signal transmission cable according to claim 1, it is characterized in that: described line group drain wire is the tin-coated copper single line, its wire diameter φ 0.30～φ 0.50 mm.
6. railway traffic signal transmission cable according to claim 1, it is characterized in that: a cable drain wire (14) is positioned between described cable fire belting layer (10) and the cable shield armour (11), this cable drain wire (14) is the tin-coated copper single line, and its wire diameter is φ 0.50～φ 0. 80 mm.
7. railway traffic signal transmission cable according to claim 1 is characterized in that: a line group drain wire (9) is positioned between described the second polyester belt (6) and the line resistance screen (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313458 CN202677962U (en) | 2012-06-29 | 2012-06-29 | Railway traffic signal transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313458 CN202677962U (en) | 2012-06-29 | 2012-06-29 | Railway traffic signal transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677962U true CN202677962U (en) | 2013-01-16 |
Family
ID=47498848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313458 Expired - Fee Related CN202677962U (en) | 2012-06-29 | 2012-06-29 | Railway traffic signal transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677962U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903699A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Movable anti-flaming pull-resistant flexible cable used for coal mine |
| WO2015158396A1 (en) * | 2014-04-17 | 2015-10-22 | Prysmian S.P.A. | Method and armoured power cable for transporting alternate current |
| CN105575543A (en) * | 2016-03-06 | 2016-05-11 | 北京工业大学 | Anti-magnetic-induction-coupling signal cable |
-
2012
- 2012-06-29 CN CN 201220313458 patent/CN202677962U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903699A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Movable anti-flaming pull-resistant flexible cable used for coal mine |
| WO2015158396A1 (en) * | 2014-04-17 | 2015-10-22 | Prysmian S.P.A. | Method and armoured power cable for transporting alternate current |
| CN105575543A (en) * | 2016-03-06 | 2016-05-11 | 北京工业大学 | Anti-magnetic-induction-coupling signal cable |
| CN105575543B (en) * | 2016-03-06 | 2018-07-06 | 北京工业大学 | A kind of diamagnetic inductively signal cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| 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 | |
| CN104167251B (en) | High-voltage connecting cable provided with ultra-soft aluminum conductor and used in electric automobile and manufacturing method of high-voltage connecting cable | |
| CN208111115U (en) | A high-performance active beacon cable for urban rail transit | |
| CN101901644A (en) | Low-smoke halogen-free flame-retardant comprehensive shielding subway light rail signal cable | |
| CN203966616U (en) | The flexible corrosion-proof type degaussing cable of high tensile for a kind of naval vessel | |
| CN104036854A (en) | High-tensile flexible corrosion-resistant degaussing cable for ship | |
| CN102682889A (en) | Electronic signal controlled flexible cable | |
| CN202677962U (en) | Railway traffic signal transmission cable | |
| CN201204095Y (en) | A New Armored Broadband Digital Cable | |
| CN202601311U (en) | Armored communication cable applied for foundation on-site bus system | |
| CN203659473U (en) | Anti-compression flat cable | |
| CN202677961U (en) | Data-signal flexible cable used for city track traffic | |
| CN102768879B (en) | Flame retardant fire-resistant track traffic signal flexible cable | |
| CN202373377U (en) | Light insulation communication cable with thin wall and for navy ship | |
| CN202694964U (en) | Power cable with polyvinyl chloride insulating layer and sheath layers | |
| CN202258528U (en) | Direct current power cable | |
| CN201425847Y (en) | Low-smoke, halogen-free, flame-retardant integrated shielded subway light rail signal cable | |
| CN202584783U (en) | Electronic signal control flexible cable | |
| CN204010816U (en) | High insulation shielding soft type digital cable | |
| CN201725628U (en) | High-performance marine special control cable | |
| CN203433852U (en) | Shielded control cable for bullet trains | |
| CN203026223U (en) | Fire-resistant flame retardant tensile double shielded cable | |
| CN202948748U (en) | Automobile flexible cable | |
| CN103515016B (en) | High speed flexible cable for signal communication | |
| CN203871012U (en) | Framework anti-compression control cable |
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 |