CN213150423U - Cold-proof railway signal cable - Google Patents
Cold-proof railway signal cable Download PDFInfo
- Publication number
- CN213150423U CN213150423U CN202021620059.8U CN202021620059U CN213150423U CN 213150423 U CN213150423 U CN 213150423U CN 202021620059 U CN202021620059 U CN 202021620059U CN 213150423 U CN213150423 U CN 213150423U
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- Prior art keywords
- cable
- cold
- sheath
- core
- railway signal
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- 238000009413 insulation Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 9
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000945 filler Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 abstract description 5
- 239000004945 silicone rubber Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cold-proof cables, and discloses a cold-proof railway signal cable, which comprises a cable core and a cable sheath, wherein the cable sheath is provided with polyvinyl chloride, the polyvinyl chloride has high stability, above all, the weather resistance and the chalking resistance can increase the service life of the cable, a heating wire is embedded in the cable sheath, the heating wire is electrified, the cable sheath can generate heat due to large resistance, the cable sheath is prevented from being frozen and crisp due to cold in rainy and snowy weather, and cracking can be caused, the heating wire is spirally embedded in the inner wall of the cable sheath, so that the cable sheath is uniformly heated, a heat insulation layer is arranged outside the cable core, the heat insulation layer is made of vulcanized silicone rubber, the heat insulation effect of the vulcanized silicone rubber is good, the heat of the heating wire is prevented from entering the cable core, the performance of the signal cable is influenced, and steel, the bearing capacity of the cable is improved, and the cable is prevented from being broken when being subjected to cold ice due to the fact that a large amount of accumulated snow is borne on the cable.
Description
Technical Field
The utility model relates to a winter protection cable technical field specifically is a winter protection railway signal cable.
Background
The railway signal control cable is a key component for connecting related equipment and a control device in a railway signal system and is used for transmitting railway signals, audio signals, 1MHz (analog signals), 2Mbit/s (digital signals), 750V or 1100V rated voltage alternating current and following system control information and electric energy; the railway signal cable product has the functions of broadband network, IPTV, transmission telephone, facsimile, visual telephone, anti-theft alarm, etc. Therefore, the railway signal control cable not only has higher electrical performance such as energy transmission and information transmission, but also requires higher environmental adaptability.
With the development of the advanced railway market in times, railway information transmission is indispensable, railway signal cables are mainly used for railway signal transmission, signals belong to weak current and cannot generate heat in the using process, the requirements on the railway signal cables are continuously increased and improved, the cables have different characteristics due to the particularity of the using environment, at present, the basic structures of the existing railway signal cables are mostly outer protective layers and cable cores in the outer protective layers, the cable cores are composed of insulating core wires divided into a plurality of wire groups, when the railway signal cables with the structure penetrate through a cold region along with a railway, the insulating layers and the outer sheaths of the cables are easy to become brittle or even crack due to rain and snow weather, the using performance of products is damaged, and meanwhile, when a large amount of snow is borne on the cables, the cables are easy to break due to cold junction ice.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a winter protection railway signal cable has solved the problem that the background art provided.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the cold-proof railway signal cable comprises a cable core and a cable sheath, wherein a heat insulation layer is arranged outside the cable core, steel cables are arranged in two sides of the heat insulation layer, the cable sheath is located on the outer side of the heat insulation layer, and heating wires are embedded in the cable sheath.
Preferably, the cable core comprises a conductive core body, an insulating sleeve is arranged outside the conductive core body, a core body wrapping tape is arranged outside the insulating sleeve, and an insulating filler is arranged between the core body wrapping tape and the insulating sleeve.
Preferably, the material of the cable sheath is polyvinyl chloride.
Preferably, the heating wire is embedded in the inner wall of the cable sheath in a spiral shape.
Preferably, the material of the insulating sleeve and the insulating filler is polyolefin.
Preferably, the heat insulation layer is made of vulcanized silicone rubber.
(III) advantageous effects
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this kind of winter protection railway signal cable, cable sheathing through setting up polyvinyl chloride, polyvinyl chloride stability is high, weather resistance and resistant powdering property of the most important, increase the life of cable, at the embedded heating wire that establishes of cable sheathing, the heating wire circular telegram, because resistance is big, can generate heat, prevent that cable sheathing from freezing and becoming fragile because of sleet weather, the fracture appears even, the heating wire is the heliciform and inlays and establish at cable sheathing inner wall, make cable sheathing be heated evenly, increase the life of cable.
2. This kind of winter protection railway signal cable through set up the insulating layer outside the cable core, and the insulating layer is the vulcanized silicone rubber material, and vulcanized silicone rubber is thermal-insulated effectual, prevents that heating wire's heat from getting into in the cable core, influences signal cable's performance, sets up the cable wire in the insulating layer both sides, increases the bearing capacity of cable, prevents to bear a large amount of snow on the cable, meets the cold junction ice, presses the broken cable.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is the utility model discloses cable core structure schematic diagram.
In the figure: 1. a cable core; 2. a thermal insulation layer; 3. a cable jacket; 4. heating the wire; 5. a steel cord; 101. core body wrapping belts; 102. a conductive core; 103. an insulating filler; 104. and an insulating sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, a cold-proof railway signal cable comprises a cable core 1 and a cable sheath 3, wherein the cable core 1 comprises a conductive core 102, an insulating sleeve 104 is arranged outside the conductive core 102, a core wrapping tape 101 is arranged outside the insulating sleeve 104, an insulating filler 103 is arranged between the core wrapping tape 101 and the insulating sleeve 104, the insulating sleeve 104 and the insulating filler 103 are made of polyolefin, the polyolefin has good electrical insulation, the cable sheath 3 is made of polyvinyl chloride, the stability of the polyvinyl chloride is high, most importantly, the weather resistance and the powdering resistance are high, the service life of the cable is prolonged, a heat insulation layer 2 is arranged outside the cable core 1, the heat insulation layer 2 is made of silicon sulfide rubber, the silicon sulfide rubber has good heat insulation effect, is flexible, durable and impermeable, the service life of the cable is prolonged, steel cables 5 are arranged in two sides of the heat insulation layer 2, and the, prevent to bear a large amount of snow on the cable, meet the cold ice that freezes, press the cable absolutely, cable sheathing 3 is located the outside of insulating layer 2, and 3 embedded heating wire 4 that are equipped with of cable sheathing, heating wire 4 are the heliciform and inlay and establish 3 inner walls at cable sheathing for cable sheathing 3 is heated evenly.
The working principle is as follows: when the cable sheath is in work, the thermal insulation layer 2 is arranged outside the cable core 1, the steel cable 5 is arranged in two sides of the thermal insulation layer 2, the bearing capacity of the cable is improved, a large amount of accumulated snow is prevented from being borne on the cable, the cable is broken when the cable sheath 3 is frozen due to cold, the stability of the polyvinyl chloride is high, the most important is the weather resistance and the powdering resistance, the service life of the cable is prolonged, the heating wire 4 is embedded in the cable sheath 3, the heating wire 4 is electrified, the resistance is large, the heating can be generated, the cable sheath 3 is prevented from becoming brittle due to cold and freezing in rainy and snowy weather, even cracking occurs, the heating wire 4 is embedded in the inner wall of the cable sheath 3 in a spiral shape, the cable sheath 3 is heated uniformly, the thermal insulation layer 2 is made of silicon sulfide rubber, the silicon sulfide rubber has a good thermal insulation effect, is flexible, durable, affecting the performance of the signal cable.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The cold-proof railway signal cable comprises a cable core (1) and a cable sheath (3), and is characterized in that a heat insulation layer (2) is arranged outside the cable core (1), steel cables (5) are arranged in two sides of the heat insulation layer (2), the cable sheath (3) is located on the outer side of the heat insulation layer (2), and a heating wire (4) is embedded in the cable sheath (3).
2. The cold-proof railway signal cable as claimed in claim 1, wherein the cable core (1) comprises a conductive core (102), an insulating sleeve (104) is arranged outside the conductive core (102), a core wrapping tape (101) is arranged outside the insulating sleeve (104), and an insulating filler (103) is arranged between the core wrapping tape (101) and the insulating sleeve (104).
3. A cold-proof railway signal cable as claimed in claim 1, characterized in that the material of said cable sheath (3) is polyvinyl chloride.
4. A cold-proof railway signal cable as claimed in claim 1, characterized in that the heating wire (4) is embedded in the inner wall of the cable sheath (3) in a spiral shape.
5. A cold-proof railway signal cable as claimed in claim 2, characterized in that the material of the insulating sheath (104) and the insulating filler (103) is polyolefin.
6. A cold-proof railway signal cable as claimed in claim 1, characterized in that the material of the thermal insulation layer (2) is silicon sulfide rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021620059.8U CN213150423U (en) | 2020-08-06 | 2020-08-06 | Cold-proof railway signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021620059.8U CN213150423U (en) | 2020-08-06 | 2020-08-06 | Cold-proof railway signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213150423U true CN213150423U (en) | 2021-05-07 |
Family
ID=75736249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021620059.8U Active CN213150423U (en) | 2020-08-06 | 2020-08-06 | Cold-proof railway signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213150423U (en) |
-
2020
- 2020-08-06 CN CN202021620059.8U patent/CN213150423U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 150000 Xingnan Road, Nangang District, Harbin City, Heilongjiang Province Patentee after: Harbin Yuelong wire and cable Co.,Ltd. Address before: No.94 tangkan Shang, Ziliujing District, Zigong City, Sichuan Province Patentee before: Lin Zehong |