CN219716522U - Flexible cable for full-weather high-speed railway - Google Patents
Flexible cable for full-weather high-speed railway Download PDFInfo
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- CN219716522U CN219716522U CN202321125326.8U CN202321125326U CN219716522U CN 219716522 U CN219716522 U CN 219716522U CN 202321125326 U CN202321125326 U CN 202321125326U CN 219716522 U CN219716522 U CN 219716522U
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- 239000010410 layer Substances 0.000 claims abstract description 166
- 230000005855 radiation Effects 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 230000007797 corrosion Effects 0.000 claims abstract description 19
- 238000005260 corrosion Methods 0.000 claims abstract description 19
- 239000002346 layers by function Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 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 claims description 21
- 239000003063 flame retardant Substances 0.000 claims description 21
- 238000009941 weaving Methods 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000009954 braiding Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the field of cables, in particular to a flexible cable for a full-weather high-speed railway, which comprises five groups of conductors, an outer sheath, a tensile braiding layer and a radiation-resistant layer, wherein the conductors are regularly provided with five groups, an inner functional layer is wrapped on the outer side of each conductor, a high-temperature-resistant waterproof layer is wrapped on the outer side of each inner functional layer, a filling layer is arranged between each high-temperature-resistant waterproof layer and each inner functional layer, a radiation-resistant layer is wrapped on the outer side of each high-temperature-resistant waterproof layer, a corrosion-resistant layer is wrapped on the outer side of each radiation-resistant layer, tensile braiding layers are arranged on the outer side of each corrosion-resistant layer, and tensile steel wires are arranged in the inner side of each tensile braiding layer at equal intervals; the conductors are arranged in five groups, and can bear heavy current load, so that the high requirement of the high-speed railway on electric energy is met.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flexible cable for a full-weather high-speed railway.
Background
A cable is an electrical device for transmitting electrical power or signals, consisting of a plurality of wires or cable cores, typically encased in a layer of insulating material and an outer sheath. The purpose of the cable is to transfer electrical energy or signals from one location to another, which is necessary in both power transmission and communication systems. The cable for the high-speed railway is a cable product designed for adapting to the environmental characteristics of the high-speed railway.
In the related art, since the environment of a high-speed railway is severe, the cable is required to have the required service performance and stability under different environmental conditions, and the cable is required to have durability, heat resistance, cold resistance, moisture resistance, ultraviolet radiation resistance, corrosion resistance, fire resistance and the like, so we propose a flexible cable for a full-weather high-speed railway.
The above information disclosed in this background section is only for the understanding of the background of the inventive concept and, therefore, it may contain information that does not form the prior art.
Disclosure of Invention
The utility model aims to provide a flexible cable for a full-weather high-speed railway, which solves the problems that the environment of the high-speed railway is harsh, the cable is required to maintain due service performance and stability under different environment conditions, and the cable is required to have durability, heat resistance, cold resistance, moisture resistance, ultraviolet radiation resistance, corrosion resistance, fire resistance and the like.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a flexible cable for full weatherability high-speed railway, includes conductor, oversheath, tensile weaving layer and radiation resistant layer, the conductor rule is provided with five groups, the outside parcel of conductor is provided with interior functional layer, the outside parcel of interior functional layer is provided with high temperature resistant waterproof layer, be provided with the filling layer between high temperature resistant waterproof layer and the interior functional layer, the outside parcel of high temperature resistant waterproof layer is provided with the radiation resistant layer, the outside parcel of radiation resistant layer is provided with corrosion resistant layer, the outside parcel of corrosion resistant layer is provided with tensile weaving layer, the inside equidistant tensile steel wire that is provided with of tensile weaving layer, the outside parcel of tensile weaving layer is provided with the oversheath.
In some embodiments, the inner functional layer comprises an insulating layer, a flame retardant layer, a cold resistant layer and a shielding layer, the shielding layer is wrapped outside the conductor, the cold resistant layer is wrapped outside the shielding layer, the flame retardant layer is wrapped outside the cold resistant layer, and the insulating layer is wrapped outside the flame retardant layer.
In some embodiments, the insulating layer is a crosslinked polyethylene insulating layer, the thickness of the insulating layer is 1.5mm, the flame retardant layer is a polyurethane flame retardant layer, and the thickness of the flame retardant layer is 0.4mm.
In some embodiments, the cold resistant layer is a polyethylene cold resistant layer, the thickness of the cold resistant layer is 0.3mm, the shielding layer is a copper foil shielding layer, and the thickness of the shielding layer is 0.1mm.
In some embodiments, the outer sheath is a polyvinyl chloride sheath, the outer sheath has a thickness of 2mm, the tensile braid is a fiberglass braid, and the tensile braid has a thickness of 0.5mm.
In some embodiments, the corrosion-resistant layer is a polyethylene layer, the corrosion-resistant layer has a thickness of 0.3mm, the radiation-resistant layer is a silicone rubber layer, the radiation-resistant layer has a thickness of 0.2mm, the high-temperature-resistant waterproof layer is a neoprene layer, and the high-temperature-resistant waterproof layer has a thickness of 0.2mm.
The beneficial effects of the utility model are as follows:
the high-speed railway has excellent weather resistance, and can stably run in various severe environments, so that the safety and reliability of the high-speed railway are ensured; five groups of conductors are arranged and can bear heavy current load, so that the high requirement of the high-speed railway on electric energy is met; the inner functional layer adopts a crosslinked polyethylene insulating layer, a polyurethane flame-retardant layer, a polyethylene cold-resistant layer and a copper foil shielding layer, has good insulating property, flame-retardant property, cold-resistant property and shielding property, and further ensures the signal transmission quality of a high-speed railway; the outer sheath is a polyvinyl chloride sheath, has good wear resistance and corrosion resistance, and can effectively protect the internal structure of the cable; the tensile braided layer is a glass fiber braided layer, so that the tensile strength of the cable can be enhanced, and the cable has better durability and service life; the arrangement of the corrosion-resistant layer, the radiation-resistant layer and the high-temperature-resistant waterproof layer can enable the operation of the cable in a severe environment to be more stable and reliable.
Drawings
Fig. 1 is a schematic structural view of a flexible cable for a full-weather high-speed railway, which is provided by the utility model;
fig. 2 is a schematic diagram of the inner functional layer structure of the flexible cable for the full-weather high-speed railway.
In the figure: 1 is an outer sheath, 2 is a tensile braiding layer, 3 is a tensile steel wire, 4 is a corrosion-resistant layer, 5 is a radiation-resistant layer, 6 is a high-temperature-resistant waterproof layer, 7 is an inner functional layer, 8 is a filling layer, 9 is a conductor, 10 is an insulating layer, 11 is a flame-retardant layer, 12 is a cold-resistant layer, and 13 is a shielding layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, a flexible cable for a total weather high-speed railway comprises a conductor 9, an outer sheath 1, a tensile braid 2 and a radiation-resistant layer 5, wherein five groups of conductors 9 are regularly arranged, an inner functional layer 7 is arranged on the outer side of the conductor 9, a high-temperature-resistant waterproof layer 6 is arranged on the outer side of the inner functional layer 7, a filling layer 8 is arranged between the high-temperature-resistant waterproof layer 6 and the inner functional layer 7, the radiation-resistant layer 5 is arranged on the outer side of the high-temperature-resistant waterproof layer 6, a corrosion-resistant layer 4 is arranged on the outer side of the radiation-resistant layer 5, a tensile braid 2 is arranged on the outer side of the corrosion-resistant layer 4, tensile steel wires 3 are arranged in the inner side of the tensile braid 2 at equal intervals, and the outer side of the tensile braid 2 is provided with the outer sheath 1.
In the embodiment of the utility model, as shown in fig. 1 and 2, the inner functional layer 7 comprises an insulating layer 10, a flame retardant layer 11, a cold-resistant layer 12 and a shielding layer 13, wherein the shielding layer 13 is wrapped on the outer side of the conductor 9, the cold-resistant layer 12 is wrapped on the outer side of the shielding layer 13, the flame retardant layer 11 is wrapped on the outer side of the cold-resistant layer 12, the insulating layer 10 is wrapped on the outer side of the flame retardant layer 11, and the insulating layer 10 is used for isolating the electrical connection between a cable conductor and other metal objects so as to ensure the electrical safety of the cable.
In the embodiment of the utility model, as shown in fig. 2, the insulating layer 10 is a crosslinked polyethylene insulating layer, the thickness of the insulating layer 10 is 1.5mm, the flame retardant layer 11 is a polyurethane flame retardant layer, the thickness of the flame retardant layer 11 is 0.4mm, the cold resistant layer 12 is a polyethylene cold resistant layer, the thickness of the cold resistant layer 12 is 0.3mm, the shielding layer 13 is a copper foil shielding layer, the thickness of the shielding layer 13 is 0.1mm, and the arranged cold resistant layer 12 is mainly used for ensuring the normal operation of the cable in a low-temperature environment and preventing the cable or the sheath from hardening or embrittling in the low-temperature condition.
In the embodiment of the utility model, as shown in fig. 1, the outer sheath 1 is a polyvinyl chloride sheath, the thickness of the outer sheath 1 is 2mm, the tensile braid 2 is a glass fiber braid, the thickness of the tensile braid 2 is 0.5mm, the corrosion-resistant layer 4 is a polyethylene layer, the thickness of the corrosion-resistant layer 4 is 0.3mm, the radiation-resistant layer 5 is a silicone rubber layer, the thickness of the radiation-resistant layer 5 is 0.2mm, the high-temperature-resistant waterproof layer 6 is a chloroprene rubber layer, the thickness of the high-temperature-resistant waterproof layer 6 is 0.2mm, and the high-temperature-resistant waterproof layer 6 is mainly used for protecting the normal operation of the cable in a high-temperature environment and simultaneously preventing moisture from entering the interior of the cable.
In this embodiment, the working principle of the cable is that the cable transmits the power signal, the conductor 9 is the main part of transmitting the power signal, the power signal is transmitted to the destination through the conductor 9 inside, the inner functional layer 7 provides functions of insulation, fire prevention, low temperature resistance, shielding and the like, the safe and stable transmission of the power signal is ensured, the tensile braid 2 can bear tensile force, the conductor 9 is protected from being broken, the radiation resistant layer 5 can prevent the cable from being damaged in a high radiation environment, the outer sheath 1 protects the cable from being damaged by machinery and environment, and therefore, the flexible cable can be used in occasions such as high-speed railways and the like needing efficient and stable power signal transmission.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a full nature is flexible cable for high-speed railway, includes conductor (9), oversheath (1), tensile weaving layer (2) and radiation resistant layer (5), its characterized in that: five groups of conductors (9) are regularly arranged, an inner functional layer (7) is wrapped on the outer side of each conductor (9), a high-temperature-resistant waterproof layer (6) is wrapped on the outer side of each inner functional layer (7), a filling layer (8) is arranged between each high-temperature-resistant waterproof layer (6) and each inner functional layer (7), a radiation-resistant layer (5) is wrapped on the outer side of each high-temperature-resistant waterproof layer (6), the outside parcel of resistant radiant layer (5) is provided with corrosion-resistant layer (4), the outside parcel of corrosion-resistant layer (4) is provided with tensile weaving layer (2), the inside equidistant tensile steel wire (3) that are provided with of tensile weaving layer (2), the outside parcel of tensile weaving layer (2) is provided with oversheath (1).
2. The flexible cable for a full-weather high-speed railway according to claim 1, wherein the inner functional layer (7) comprises an insulating layer (10), a flame retardant layer (11), a cold-resistant layer (12) and a shielding layer (13), the shielding layer (13) is wrapped on the outer side of the conductor (9), the cold-resistant layer (12) is wrapped on the outer side of the shielding layer (13), the flame retardant layer (11) is wrapped on the outer side of the cold-resistant layer (12), and the insulating layer (10) is wrapped on the outer side of the flame retardant layer (11).
3. The flexible cable for a full-weather high-speed railway according to claim 2, wherein the insulating layer (10) is a crosslinked polyethylene insulating layer, the thickness of the insulating layer (10) is 1.5mm, the flame-retardant layer (11) is a polyurethane flame-retardant layer, and the thickness of the flame-retardant layer (11) is 0.4mm.
4. The flexible cable for a total-weather high-speed railway according to claim 2, wherein the cold-resistant layer (12) is a polyethylene cold-resistant layer, the thickness of the cold-resistant layer (12) is 0.3mm, the shielding layer (13) is a copper foil shielding layer, and the thickness of the shielding layer (13) is 0.1mm.
5. The flexible cable for a total-weather-resistant high-speed railway according to claim 1, wherein the outer sheath (1) is a polyvinyl chloride sheath, the thickness of the outer sheath (1) is 2mm, the tensile braid (2) is a glass fiber braid, and the thickness of the tensile braid (2) is 0.5mm.
6. The flexible cable for a total-weather-resistant high-speed railway according to claim 1, wherein the corrosion-resistant layer (4) is a polyethylene layer, the thickness of the corrosion-resistant layer (4) is 0.3mm, the radiation-resistant layer (5) is a silicone rubber layer, the thickness of the radiation-resistant layer (5) is 0.2mm, the high-temperature-resistant waterproof layer (6) is a chloroprene rubber layer, and the thickness of the high-temperature-resistant waterproof layer (6) is 0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125326.8U CN219716522U (en) | 2023-05-11 | 2023-05-11 | Flexible cable for full-weather high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321125326.8U CN219716522U (en) | 2023-05-11 | 2023-05-11 | Flexible cable for full-weather high-speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716522U true CN219716522U (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321125326.8U Active CN219716522U (en) | 2023-05-11 | 2023-05-11 | Flexible cable for full-weather high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117649973A (en) * | 2024-01-30 | 2024-03-05 | 成都川缆电缆有限公司 | Flame-retardant low-smoke anti-corrosion nontoxic cable |
-
2023
- 2023-05-11 CN CN202321125326.8U patent/CN219716522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117649973A (en) * | 2024-01-30 | 2024-03-05 | 成都川缆电缆有限公司 | Flame-retardant low-smoke anti-corrosion nontoxic cable |
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