CN222507199U - A high voltage jumper cable for EMU - Google Patents
A high voltage jumper cable for EMU Download PDFInfo
- Publication number
- CN222507199U CN222507199U CN202421270562.3U CN202421270562U CN222507199U CN 222507199 U CN222507199 U CN 222507199U CN 202421270562 U CN202421270562 U CN 202421270562U CN 222507199 U CN222507199 U CN 222507199U
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- CN
- China
- Prior art keywords
- polyvinyl chloride
- insulating layer
- modified polyvinyl
- chloride insulating
- cable
- 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.)
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- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 27
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 35
- 239000011241 protective layer Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 241000271559 Dromaiidae Species 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000003064 anti-oxidating effect Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 abstract description 3
- 230000003078 antioxidant effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009422 external insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model provides a high-voltage jumper cable for a motor train unit, which belongs to the technical field of cables and comprises a cable body, wherein the cable body comprises an elastic framework, a plurality of openings are formed in the elastic framework in an equidistant surrounding manner, a wire core is arranged in each opening, a modified polyvinyl chloride insulating layer is arranged outside the wire core, a shielding belt is arranged on the modified polyvinyl chloride insulating layer, the shielding belt is spirally wound on the modified polyvinyl chloride insulating layer, and the modified polyvinyl chloride insulating layer comprises a plurality of mutually woven aluminum wires, and each aluminum wire is provided with an antioxidant coating.
Description
Technical Field
The utility model mainly relates to the technical field of cables, in particular to a high-voltage jumper cable for a motor train unit.
Background
The cable generally comprises three parts of conductors, insulating layers and protective layers, is laid underground, in the air and the like, and is generally provided with two types of power cables and control cables, wherein the power cables are mainly used for conveying and distributing electric energy, the control cables are mainly used for measuring, protecting, controlling and other circuits, and the cable has the characteristics of internal electrification and external insulation.
The high-voltage cable belongs to one of power cables, and is used for transmitting power between 1kv and 1000kv, and is widely applied to power transmission and distribution, and the components of the high-voltage cable from inside to outside comprise: conductor, insulation, interior sheath, filler (armor), external insulation, the cable of EMUs is because operational environment's specificity, there is stronger electromagnetic interference, the inside shielding layer that all needs to increase of cable, the shielding layer is mainly woven complete set of tube structure by the wire, the sleeve structure that this kind of wire constitutes, but can reduce the holistic toughness of cable, also can reduce the bending property of cable by a wide margin, in the region of EMUs cross-over connection, need pass the clamp on the sheet metal with high-voltage cable, and twine on the support, form double helix winding, cable bending degree is great, because the influence that the wire constitutes sleeve structure, the degree of difficulty of winding has been increased, inconvenient installation.
Disclosure of utility model
The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a high-voltage jumper cable for a motor train unit, which is used for solving the technical problem that the shielding layer in the current high-voltage cable is generally woven into a sleeve by adopting metal wires in the prior art, but the structure can reduce the bending performance of the cable, is not easy to bend and has difficult winding on a bracket when the region bridged by the motor train unit is wired.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a high voltage jumper cable for EMUs, includes the cable body, the cable body includes the elasticity skeleton, equidistant surrounding is provided with a plurality of openings on the elasticity skeleton, every all be provided with the sinle silk in the opening, be provided with modified polyvinyl chloride insulating layer outward in the sinle silk, be provided with the shielding area on the modified polyvinyl chloride insulating layer, shielding area spiral winding is on modified polyvinyl chloride insulating layer, modified polyvinyl chloride insulating layer includes a plurality of aluminium silk of weaving each other, and every all be provided with antioxidation coating on the aluminium silk.
Further, a high-temperature-resistant protective layer is arranged on the structural layer formed by the shielding tape.
Further, the high-temperature resistant protective layer is provided with a halogen-free low-smoke outer sheath.
Further, the high-temperature-resistant protective layer and the modified polyvinyl chloride insulating layer have the same thickness, and the thickness of the modified polyvinyl chloride insulating layer is smaller than that of the halogen-free low-smoke outer sheath.
Further, each wire core comprises a copper conductor and an insulating sleeve, and a compression-resistant elastic filling block is arranged at a gap between the wire core and the modified polyvinyl chloride insulating layer.
Further, a reinforcing rib is arranged in the through hole in the middle of the elastic framework.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, through the elastic framework, the wire core, the modified polyvinyl chloride insulating layer, the shielding tape, the aluminum wire, the antioxidant coating, the high-temperature resistant protective layer, the halogen-free low-smoke outer sheath, the compression resistant elastic filling block and the reinforcing rib, the whole toughness and bending performance of the cable are improved on the premise of ensuring shielding electromagnetic interference, wiring and winding in a bridging region of a motor train unit are facilitated, the influence of a sleeve structure formed by the existing metal wire is effectively avoided, the labor intensity of workers is reduced, the strength of the shielding layer is improved, the service life of the shielding layer is prolonged, and the shielding cable has a certain practical value.
The utility model will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of an aluminum wire of the present utility model.
The cable comprises a cable body, 11, an elastic framework, 111, an opening, 12, a wire core, 121, a copper conductor, 122, an insulating sleeve, 13, a modified polyvinyl chloride insulating layer, 14, a shielding tape, 141, an aluminum wire, 142, an oxidation resistant coating, 15, a high-temperature resistant protective layer, 16, a halogen-free low-smoke outer sheath, 17, a compression resistant elastic filling block and 2, a reinforcing rib.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, a high voltage jumper cable for a motor train unit includes a cable body 1, the cable body 1 includes an elastic framework 11, a plurality of openings 111 are formed on the elastic framework 11 in an equidistant surrounding manner, a wire core 12 is disposed in each opening 111, a modified polyvinyl chloride insulating layer 13 is disposed outside the wire core 12, a shielding belt 14 is disposed on the modified polyvinyl chloride insulating layer 13, the shielding belt 14 is spirally wound on the modified polyvinyl chloride insulating layer 13, the modified polyvinyl chloride insulating layer 13 includes a plurality of mutually woven aluminum wires 141, and an antioxidant coating 142 is disposed on each aluminum wire 141.
Through the structure, the whole toughness and bending performance of the cable are improved on the premise of ensuring shielding electromagnetic interference, wiring and winding are convenient to conduct in a bridging area of the motor train unit, the influence of the sleeve structure formed by the existing metal wires is effectively avoided, the labor intensity of workers is reduced, the strength of a shielding layer is improved, the service life of the shielding layer is prolonged, and the shielding layer has a certain practical value.
Referring to fig. 2 and 3, the shielding tape 14 is provided with a high temperature resistant protective layer 15 on a structural layer, the high temperature resistant performance of the whole cable is improved by the high temperature resistant protective layer 15, the high temperature resistant protective layer 15 is provided with a halogen-free low smoke outer sheath 16, the halogen-free low smoke outer sheath 16 is used for realizing that the cable does not release halogen-containing gas under the condition of burning, and the smoke concentration is low, the thickness of the high temperature resistant protective layer 15 is the same as that of the modified polyvinyl chloride insulating layer 13, the thickness of the modified polyvinyl chloride insulating layer 13 is smaller than that of the halogen-free low smoke outer sheath 16, each wire core 12 comprises a copper conductor 121 and an insulating sleeve 122, and a compression resistant elastic filling block 17 is arranged at a gap between the wire core 12 and the modified polyvinyl chloride insulating layer 13, so that the filling of the gap is realized, the compression resistant capability of the cable is improved, the external acting force is weakened, the wire core 12 is protected, and the reinforcing ribs 2 are arranged in through the through holes in the elastic framework 11, so that the whole toughness of the cable is improved is realized.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.
Claims (6)
1. The utility model provides a high voltage jumper cable for EMUs, includes cable body (1), cable body (1) includes elastic framework (11), equidistant surrounding is provided with a plurality of openings (111) on elastic framework (11), every all be provided with sinle silk (12) in opening (111), be provided with modified polyvinyl chloride insulating layer (13) outward on sinle silk (12), a serial communication port, be provided with shielding tape (14) on modified polyvinyl chloride insulating layer (13), shielding tape (14) spiral winding is on modified polyvinyl chloride insulating layer (13), modified polyvinyl chloride insulating layer (13) include a plurality of aluminium silk (141) of weaving each other, and every all be provided with antioxidation coating (142) on aluminium silk (141).
2. A high voltage jumper cable for a motor train unit according to claim 1, characterized in that a high temperature resistant protective layer (15) is provided on a structural layer constituted by the shielding tape (14).
3. The high-voltage jumper cable for motor train units according to claim 2, wherein the high-temperature-resistant protective layer (15) is provided with a halogen-free low-smoke outer sheath (16).
4. A high voltage jumper cable for a motor train unit according to claim 3, characterized in that the high temperature resistant protective layer (15) and the modified polyvinyl chloride insulating layer (13) have the same thickness, and the thickness of the modified polyvinyl chloride insulating layer (13) is smaller than the thickness of the halogen-free low smoke outer sheath (16).
5. A high voltage jumper cable for a motor train unit as claimed in claim 1, wherein each of the wire cores (12) comprises a copper conductor (121) and an insulating sheath (122), and a compression-resistant elastic filler block (17) is provided at a gap between the wire core (12) and the modified polyvinyl chloride insulating layer (13).
6. The high-voltage jumper cable for the motor train unit according to claim 1, wherein a reinforcing rib (2) is arranged in a through hole in the middle of the elastic framework (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421270562.3U CN222507199U (en) | 2024-06-05 | 2024-06-05 | A high voltage jumper cable for EMU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421270562.3U CN222507199U (en) | 2024-06-05 | 2024-06-05 | A high voltage jumper cable for EMU |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222507199U true CN222507199U (en) | 2025-02-18 |
Family
ID=94556169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421270562.3U Active CN222507199U (en) | 2024-06-05 | 2024-06-05 | A high voltage jumper cable for EMU |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222507199U (en) |
-
2024
- 2024-06-05 CN CN202421270562.3U patent/CN222507199U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |