CN109817371A - A kind of railway locomotive special-type signal cable - Google Patents
A kind of railway locomotive special-type signal cable Download PDFInfo
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- CN109817371A CN109817371A CN201910115892.2A CN201910115892A CN109817371A CN 109817371 A CN109817371 A CN 109817371A CN 201910115892 A CN201910115892 A CN 201910115892A CN 109817371 A CN109817371 A CN 109817371A
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- layer
- cable
- conducting wire
- signal cable
- railway locomotive
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Abstract
The present invention relates to a kind of railway locomotive special-type signal cables, including cable core and surround the restrictive coating around cable core, the oversheath internal layer is provided with secondary shielding layer, the secondary shielding layer internal layer is provided with first screen layer, the first screen layer internal layer is provided with wrapping layer, the cable core includes four groups of conducting wires being arranged in inside the signal cable, two groups of mutually twisted conductors are provided in conducting wire described in each group, the conducting wire is evenly distributed on inside the wrapping layer, the periphery of conducting wire described in each group is provided with separation layer, conductor periphery in the conducting wire is provided with insulating layer.The present invention in railway locomotive special-type signal cable by being arranged multiple groups conducting wire, enhance the intensity and signal conveying capacity of cable, and multilayer screen layer, wrapping layer and restrictive coating are set around cable conductor, reduce the fever between conductor line and the interference between the electric field of magnetic field, reinforce the performances such as the resistant to high temperatures of cable, external force resistance, extend cable uses the time.
Description
Technical field
The invention belongs to field of cable technology, and in particular to a kind of railway locomotive special-type signal cable.
Background technique
Railway signal cable product has broadband networks, IPTV, transmission phone, fax, videophone, burglar alarm concurrently simultaneously
Equal multi-signals function, with intelligent Building, the fast development of computer industry and information superhighway engineering, people are more
Demand and dependence to Office Information and household's IT application, the demand to wire rope will grow to even greater heights, and be wire rope
Developing direction.For a long time, as the deficiency existing for material and configuration aspects, cable is made to use its external force resistance in railway systems
Intensity is difficult to adapt to requirement, and the shielding of inner lead is insufficient, makes cable sensitive for damages, so as to cause communication failure.Cause
This, designs a kind of structurally reasonable, and health shielding action is strong, improve the service life of cable Special railway signal cable have it is important
Economy, society and realistic meaning.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and to provide a kind of structure simple, design a kind of reasonable iron
Road locomotive special-type signal cable.
The present invention through the following technical solutions to achieve the above objectives:
A kind of railway locomotive special-type signal cable including cable core and surrounds the restrictive coating around cable core, the sheath
Layer includes that the oversheath of the signal cable outermost is arranged in, and the oversheath internal layer is provided with secondary shielding layer, and described second
Shielded layer internal layer is provided with first screen layer, and the first screen layer internal layer is provided with wrapping layer, and the cable core includes that setting exists
Four groups of conducting wires inside the signal cable are provided with two groups of mutually twisted conductors in conducting wire described in each group, and the conducting wire is equal
Even to be distributed in inside the wrapping layer, the periphery of conducting wire described in each group is provided with separation layer, the conductor periphery in the conducting wire
It is provided with insulating layer；
No.1 filled layer, the insulation of the separation layer and the conductor are provided between the separation layer and the wrapping layer
No. two filled layers are provided between floor.
By using above-mentioned technical proposal, multiple groups conducting wire is set in signal cable, enhances the conveying capacity of cable, and
Multilayer screen layer, wrapping layer and restrictive coating are set around cable conductor, reduce the fever between conductor line and magnetic field electric field
Between interference, reinforce the performances such as the resistant to high temperatures of cable, external force resistance, extend cable use the time.
As a further optimization solution of the present invention, the oversheath is low-smoke non-halogen flame-retardant cross-linking radiation polyolefine material
The oversheath of preparation, the insulating layer be low-smoke non-halogen flame-retardant cross-linking radiation polyolefine material be prepared, the oversheath and
The maximum operating temperature of insulating layer is 150 DEG C.
By using above-mentioned technical proposal, element is halogen-free in the oversheath and insulating layer, and discharge in burning
Amount of smoke it is seldom, do not discharge halogen gas and toxic gas, smokescope is low, only light water mist, 60 meters of visual range
More than；Fire-retardant effect is made it have by irradiation crosslinking processes, is prevented oversheath aging, is prolonged its service life.
As a further optimization solution of the present invention, the secondary shielding layer is the shielded layer that tinned copper wire is woven into, institute
Stating first screen layer is the wrapped shielded layer of aluminium-plastic tape.
By using above-mentioned technical proposal, guarantee the transmission performance of the system in the case where there is electromagnetic interference environment, has outside resisting
Carry out the ability of the outside Radiative EMI of ability and system of electromagnetic interference itself, is homogenized the distribution of the electric field in cable；Institute
Stating aluminium-plastic tape includes crawler belt and copolymer material, constitutes integrated sheath to the cable core of the cable, has moisture-proof, shielding and changes
The effects of learning protective layer.
As a further optimization solution of the present invention, the wrapping layer is non-hygroscopic inhibiting tape, and the separation layer is heat
Thermoplastic elastomer material.
By using above-mentioned technical proposal, the non-hygroscopic inhibiting tape can make cable core prevent cable core loose at cylindric,
And the wrapping layer plays shielding action, keeps cable signal interference-free, and the non-hygroscopic inhibiting tape has waterproof and resistance
Property is fired, the waterproof performance and high temperature resistance of cable are improved；The separation layer have good high temperature resistance, can effectively every
From each group conducting wire, conducting wire is avoided to radiate and interfere with each other.
As a further optimization solution of the present invention, the conductor is that several tinned copper conductors are twisted, the No.1
Filled layer, No. two filled layers are non-absorbent material, including non-woven fabrics, PP filling rope, asbestos, rubber strip, plastic strip or glass
Glass silk.
By using above-mentioned technical proposal, filling layer material has good flexibility, anti-flammability, heat conductivity and waterproof
Property, the specific gravity of the non-hygroscopic packing material is small, easy to install.
The beneficial effects of the present invention are: by the way that multiple groups conducting wire, enhancing are arranged in railway locomotive special-type signal cable
The intensity and signal conveying capacity of cable, and multilayer screen layer, wrapping layer and restrictive coating are set around cable conductor, reduce
The performances such as the resistant to high temperatures of cable, external force resistance are reinforced in interference between fever between conductor line and magnetic field electric field, reduce cable
The combustion toxicity and possibility of material, extend cable uses the time.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
In figure: 1, restrictive coating；2, secondary shielding layer；3, first screen layer；4, wrapping layer；5, separation layer；41, No.1 is filled
Layer；51, conductor；52, insulating layer；53, No. two filled layers.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
Embodiment 1
As shown in Figure 1, a kind of railway locomotive special-type signal cable, including cable core and surrounds the restrictive coating around cable core
1, the restrictive coating 1 includes the oversheath that the railway locomotive special-type signal cable outermost is arranged in, and the oversheath is low
The oversheath of cigarette halogen-free flameproof cross-linking radiation polyolefine material preparation, is halogen-free element in the jacket material, and firing
The amount of smoke discharged when burning is seldom, does not discharge halogen gas and toxic gas, and smokescope is low, only light water mist, visually
60 meters of distance or more；Have the effect of oversheath by irradiation crosslinking processes fire-retardant, prevents oversheath aging, extends its use
Service life, the maximum operating temperature of the oversheath are 150 DEG C.
The oversheath internal layer is provided with secondary shielding layer 2, and the secondary shielding layer 2 is the shielding that tinned copper wire is woven into
Layer, guarantees the transmission performance of the system in the case where there is electromagnetic interference environment, has the ability and system sheet for resisting extraneous electromagnetic interference
The ability of the outside Radiative EMI of body is homogenized the distribution of the electric field in cable.
2 internal layer of secondary shielding layer is provided with first screen layer 3, and the first screen layer 3 is that aluminium-plastic tape is wrapped
Shielded layer, the aluminium-plastic tape includes crawler belt and copolymer material, constitutes integrated sheath to the cable core of the cable, has anti-
The effects of tide, shielding and chemical protection layer.
3 internal layer of first screen layer is provided with wrapping layer 4, and the wrapping layer 4 is non-hygroscopic inhibiting tape, the non-suction
Moist inhibiting tape can make cable core prevent cable core loose, and the wrapping layer 4 plays shielding action, makes cable signal at cylindric
Without interruption, it is most important that, the non-hygroscopic inhibiting tape have waterproof and flame-retardant nature, improve cable waterproof performance and
High temperature resistance.
The cable core includes four groups of conducting wires being arranged in inside the signal cable, is provided in conducting wire described in each group mutually
Two groups of twisted conductors 51, the conducting wire are evenly distributed on inside the wrapping layer 4, and the periphery of conducting wire described in each group is provided with
Separation layer 5, the separation layer 5 are thermoplastic elastic material, have good high temperature resistance, can be effectively isolated each group and lead
Line avoids conducting wire from radiating and interfere with each other；51 periphery of conductor in the conducting wire is provided with insulating layer 52, the insulating layer 52
It is prepared for low-smoke non-halogen flame-retardant cross-linking radiation polyolefine material, is halogen-free element, and the amount of smoke discharged in burning
Seldom, halogen gas and toxic gas are not discharged, and smokescope is low；By irradiation crosslinking processes there is insulating layer 52 fire-retardant
Effect prevents 52 aging of insulating layer, prolongs its service life, and the maximum operating temperature of the insulating layer 52 is 150 DEG C.It is described to lead
Body 51 is that several tinned copper conductors 51 are twisted, and the tinned copper conductor 51 has strong electric conductivity, wearability, corrosion resistance
And electromagnetic wave shielding.
It should be noted that being provided with No.1 filled layer 41, the isolation between the separation layer 5 and the wrapping layer 4
No. two filled layers 53 are provided between floor 5 and the insulating layer 52 of the conductor 51, the No.1, No. two filled layers 53 are non-suction
Wet materials, including non-woven fabrics, PP filling rope, asbestos, rubber strip, plastic strip or glass fiber etc. have good flexibility, resistance
Combustion property, heat conductivity and waterproofness, the specific gravity of the non-hygroscopic packing material are small, easy to install.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (5)
1. a kind of railway locomotive special-type signal cable, it is characterised in that: including cable core and surround the restrictive coating around cable core
(1), the restrictive coating (1) includes the oversheath that the signal cable outermost is arranged in, and the oversheath internal layer is provided with second
Shielded layer (2), secondary shielding layer (2) internal layer are provided with first screen layer (3), first screen layer (3) the internal layer setting
Have wrapping layer (4), the cable core includes four groups of conducting wires being arranged in inside the signal cable, is provided in conducting wire described in each group
Mutually two groups of twisted conductors (51), the conducting wire are evenly distributed on the wrapping layer (4) inside, the periphery of conducting wire described in each group
It is provided with separation layer (5), conductor (51) periphery in the conducting wire is provided with insulating layer (52)；
Be provided between the separation layer (5) and the wrapping layer (4) No.1 filled layer (41), the separation layer (5) with it is described
No. two filled layers (53) are provided between the insulating layer (52) of conductor (51).
2. a kind of railway locomotive special-type signal cable according to claim 1, it is characterised in that: the oversheath is low
The oversheath of cigarette halogen-free flameproof cross-linking radiation polyolefine material preparation, the insulating layer (52) are low-smoke non-halogen flame-retardant cross-linking radiation
Polyolefine material is prepared, and the maximum operating temperature of the oversheath and insulating layer (52) is 150 DEG C.
3. a kind of railway locomotive special-type signal cable according to claim 1, it is characterised in that: the secondary shielding layer
(2) shielded layer being woven into for tinned copper wire, the first screen layer (3) are the wrapped shielded layer of aluminium-plastic tape.
4. a kind of railway locomotive special-type signal cable according to claim 1, it is characterised in that: the wrapping layer (4)
For non-hygroscopic inhibiting tape, the separation layer (5) is thermoplastic elastic material.
5. a kind of railway locomotive special-type signal cable according to claim 1, it is characterised in that: the conductor (51) is
Several tinned copper conductors (51) are twisted, and the No.1 filled layer (41), No. two filled layers (53) are non-absorbent material,
Including non-woven fabrics, PP filling rope, asbestos, rubber strip, plastic strip or glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115892.2A CN109817371A (en) | 2019-02-15 | 2019-02-15 | A kind of railway locomotive special-type signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115892.2A CN109817371A (en) | 2019-02-15 | 2019-02-15 | A kind of railway locomotive special-type signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109817371A true CN109817371A (en) | 2019-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910115892.2A Pending CN109817371A (en) | 2019-02-15 | 2019-02-15 | A kind of railway locomotive special-type signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109817371A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202976932U (en) * | 2012-11-20 | 2013-06-05 | 湖北安耀红旗电缆有限公司 | High-performance computer cable |
| CN203607143U (en) * | 2013-10-22 | 2014-05-21 | 安徽天康股份有限公司 | Computer cable with functions of shielding and chemical resistance |
| CN103943196A (en) * | 2013-01-22 | 2014-07-23 | 安徽凯博尔特种电缆集团有限公司 | Fireproof control and instrument cable for offshore oil platform |
| CN208126925U (en) * | 2018-04-26 | 2018-11-20 | 杭州德福线缆有限公司 | A kind of High-flame-retardancfireproof fireproof blocks water digital cable |
-
2019
- 2019-02-15 CN CN201910115892.2A patent/CN109817371A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202976932U (en) * | 2012-11-20 | 2013-06-05 | 湖北安耀红旗电缆有限公司 | High-performance computer cable |
| CN103943196A (en) * | 2013-01-22 | 2014-07-23 | 安徽凯博尔特种电缆集团有限公司 | Fireproof control and instrument cable for offshore oil platform |
| CN203607143U (en) * | 2013-10-22 | 2014-05-21 | 安徽天康股份有限公司 | Computer cable with functions of shielding and chemical resistance |
| CN208126925U (en) * | 2018-04-26 | 2018-11-20 | 杭州德福线缆有限公司 | A kind of High-flame-retardancfireproof fireproof blocks water digital cable |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190528 |
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| RJ01 | Rejection of invention patent application after publication |