CN220627472U - Low-smoke halogen-free flame-retardant power line for railway - Google Patents
Low-smoke halogen-free flame-retardant power line for railway Download PDFInfo
- Publication number
- CN220627472U CN220627472U CN202322278730.5U CN202322278730U CN220627472U CN 220627472 U CN220627472 U CN 220627472U CN 202322278730 U CN202322278730 U CN 202322278730U CN 220627472 U CN220627472 U CN 220627472U
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- CN
- China
- Prior art keywords
- retardant
- layer
- flame
- fire
- insulating layer
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Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 81
- 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 title claims abstract description 47
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 abstract 15
- 239000011241 protective layer Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a low-smoke halogen-free flame-retardant power line for a railway, which comprises a wire core, wherein the outer surface of the wire core is wrapped with a flame-retardant insulating layer, an inner protective layer is sleeved outside the flame-retardant insulating layer, a fireproof filling layer is filled in the inner protective layer, a first flame-retardant layer, a heat-insulating layer, a second flame-retardant layer, a flame-retardant layer and a wear-resistant outer protective layer are sequentially wrapped outside the inner protective layer, a first filling hole is formed in the first flame-retardant layer in the circumferential direction, a second filling hole is formed in the second flame-retardant layer in the circumferential direction, and flame retardants are filled in the first filling hole and the second filling hole. Through setting up fire-retardant insulating layer, fire prevention filling layer, first fire-retardant layer, insulating layer, second fire-retardant layer, flame retardant coating, each material layer structure is whole to be set up rationally, and fire-retardant heat-proof properties is strong, has improved the fire resistance of power cord.
Description
Technical Field
The utility model relates to the technical field of power lines, in particular to a low-smoke halogen-free flame-retardant power line.
Background
The railway power line is an important component in railway transportation and provides a power source and a signal source for the movement of a train, thereby playing an important role in railway transportation tracks. Along with the development of social economy, the consumption of the power line cable is rapidly increased, and the quality requirement of the power line is continuously improved, but the conventional railway power line is unreasonable in structural design, poor in flame retardant and heat insulation effects, and cannot meet the development requirement, so that loss and potential safety hazard are brought to users.
Disclosure of Invention
The utility model aims to provide a low-smoke halogen-free flame-retardant power line for a railway, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a low smoke and zero halogen fire-retardant power cord for railway, includes the sinle silk, the parcel of sinle silk surface has fire-retardant insulating layer, the inner sheath has been cup jointed outside the fire-retardant insulating layer, the intussuseption of inner sheath has fire prevention filling layer, the outer parcel of inner sheath has first fire-retardant layer, insulating layer, second fire-retardant layer, flame retardant coating, wear-resisting outer sheath in proper order, first filling hole has been seted up to circumference in the first fire-retardant layer, the second filling hole has been seted up to circumference in the second fire-retardant layer, first filling hole, second filling hole intussuseption are filled with fire retardant.
The flame-retardant insulating layer is a low-smoke halogen-free flame-retardant elastomer insulating layer.
The fireproof filling layer adopts a fireproof mica tape.
The fireproof layer adopts a ceramic fireproof composite belt.
The first flame-retardant layer and the second flame-retardant layer adopt low-smoke halogen-free crosslinked polyethylene flame-retardant layers.
The flame retardant adopts an epoxy resin halogen-free flame retardant.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the flame-retardant insulating layer, the fireproof filling layer, the first flame-retardant layer, the heat-insulating layer, the second flame-retardant layer and the fireproof layer are arranged, so that the whole structure of each material layer is reasonable, the flame-retardant heat-insulating performance is strong, and the flame retardance of the power line is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
In the figure: 1 sinle silk, 2 fire-retardant insulating layer, 3 inner sheath, 4 fire prevention filling layer, 5 first fire-retardant layers, 6 insulating layer, 7 second fire-retardant layers, 8 flame retardant coating, 9 wear-resisting outer sheath, 10 first filling holes, 11 second filling holes.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides the following technical solutions: the utility model provides a low smoke and zero halogen flame retardant power cord for railway, including sinle silk 1, sinle silk 1 surface parcel has fire-retardant insulating layer 2, fire-retardant insulating layer 2 overcoat has connect inner sheath 3, inner sheath 3 intussuseption is filled with fire prevention filling layer 4, inner sheath 3 has wrapped gradually first fire-retardant layer 5 outward, insulating layer 6, second fire-retardant layer 7, flame retardant layer 8, wear-resisting outer sheath 9, first filling hole 10 has been seted up to the circumference in the first fire-retardant layer 5, second filling hole 11 has been seted up to the circumference in the second fire-retardant layer 7, first filling hole 10, the intussuseption of second filling hole 11 is filled with the fire retardant.
The flame-retardant insulating layer 2 is a low-smoke halogen-free flame-retardant elastomer insulating layer.
The fireproof filling layer 4 adopts a fireproof mica tape.
The fireproof layer 8 adopts a ceramic fireproof composite belt, has a shell which becomes a ceramic shape at high temperature, and the ceramic hard shell can play a good role in flame retardance, fire resistance and fire prevention under the condition of fire.
The first flame-retardant layer 5 and the second flame-retardant layer 7 adopt low-smoke halogen-free crosslinked polyethylene flame-retardant layers, so that the flame retardant performance is excellent, the safety is good, the smoke degree is small during combustion, no corrosive gas flows out, and the damage to human bodies is reduced.
The flame retardant adopts epoxy resin halogen-free flame retardant.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a low smoke and zero halogen fire-retardant power cord for railway, includes sinle silk (1), its characterized in that: the fire-retardant insulating layer (2) has been wrapped up in the surface of sinle silk (1), fire-retardant insulating layer (2) overcoat has connect inner sheath (3), inner sheath (3) intussuseption is filled with fire prevention filling layer (4), inner sheath (3) have wrapped up in proper order outside first fire-retardant layer (5), insulating layer (6), second fire-retardant layer (7), flame retardant coating (8), wear-resisting outer sheath (9), first filling hole (10) have been seted up to circumference in first fire-retardant layer (5), second filling hole (11) have been seted up to circumference in second fire-retardant layer (7), first filling hole (10), second filling hole (11) intussuseption are filled with fire retardant.
2. The low smoke zero halogen flame retardant power line for railway according to claim 1, wherein: the flame-retardant insulating layer (2) is a low-smoke halogen-free flame-retardant elastomer insulating layer.
3. The low smoke zero halogen flame retardant power line for railway according to claim 1, wherein: the fireproof filling layer (4) adopts a fireproof mica tape.
4. The low smoke zero halogen flame retardant power line for railway according to claim 1, wherein: the fireproof layer (8) adopts a ceramic fireproof composite belt.
5. The low smoke zero halogen flame retardant power line for railway according to claim 1, wherein: the first flame-retardant layer (5) and the second flame-retardant layer (7) adopt low-smoke halogen-free crosslinked polyethylene flame-retardant layers.
6. The low smoke zero halogen flame retardant power line for railway according to claim 1, wherein: the flame retardant adopts an epoxy resin halogen-free flame retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278730.5U CN220627472U (en) | 2023-08-23 | 2023-08-23 | Low-smoke halogen-free flame-retardant power line for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278730.5U CN220627472U (en) | 2023-08-23 | 2023-08-23 | Low-smoke halogen-free flame-retardant power line for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220627472U true CN220627472U (en) | 2024-03-19 |
Family
ID=90218218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322278730.5U Active CN220627472U (en) | 2023-08-23 | 2023-08-23 | Low-smoke halogen-free flame-retardant power line for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220627472U (en) |
-
2023
- 2023-08-23 CN CN202322278730.5U patent/CN220627472U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |