CN220856145U - High-voltage cable for electric car - Google Patents
High-voltage cable for electric car Download PDFInfo
- Publication number
- CN220856145U CN220856145U CN202322301999.0U CN202322301999U CN220856145U CN 220856145 U CN220856145 U CN 220856145U CN 202322301999 U CN202322301999 U CN 202322301999U CN 220856145 U CN220856145 U CN 220856145U
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- Prior art keywords
- wall
- layer
- insulating
- voltage cable
- heat
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- 239000004698 Polyethylene Substances 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- -1 polyethylene Polymers 0.000 claims abstract description 12
- 229920000573 polyethylene Polymers 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 47
- 239000003063 flame retardant Substances 0.000 claims description 17
- 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 16
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 11
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 230000008719 thickening Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-voltage cable for an electric car, which comprises a high-voltage cable body, wherein a polyethylene outer sheath is fixedly sleeved in the high-voltage cable body, an insulating and heat-insulating layer is fixedly sleeved in the polyethylene outer sheath, the inner wall of the insulating and heat-insulating layer is connected with a heat-insulating assembly, a plurality of rubber insulating bushings are arranged in the insulating and heat-insulating layer, and a filling layer is arranged between the rubber insulating bushings. According to the utility model, the strength of the pure oxygen-free copper core is enhanced again through the armor skin, then the pure oxygen-free copper core is further insulated through the insulating layer, and the effect of insulating and protecting the pure oxygen-free copper core is conveniently achieved through the polyethylene outer sheath, so that the high-voltage cable has a heat dissipation function, heat is conducted, the damage of the high-voltage cable after thermal expansion is reduced, and the use effect is improved.
Description
Technical Field
The utility model relates to the technical field of high-voltage cables, in particular to a high-voltage cable for an electric car.
Background
High voltage cables are a collective term for optical cables, electrical cables, and the like. The high-voltage cable is one of power cables, is applied to power transmission and distribution, and comprises the following components from inside to outside: conductor, insulation, interior sheath, filler, armor, external insulation, of course, armor high tension cable mainly used buries, can resist subaerial high strength's oppression, can prevent other external force damage simultaneously, and the cable is the bridge between power supply unit and the consumer, plays the effect of transmission electric energy, however, current partial high tension cable is installed through simple insulating bush generally, can make its heat be difficult to disperse because of a plurality of conductor groups inside the high tension cable are gapless to connect together, produces thermal expansion easily and damages, and the high tension cable still needs to strengthen at fire-retardant thermal-insulated performance simultaneously to reduce the result of use.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a high-voltage cable for an electric car.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-voltage cable for trolley bus, includes the high-voltage cable body, the inside fixed polyethylene oversheath that has cup jointed of high-voltage cable body, the inside fixed insulating layer that has cup jointed of polyethylene oversheath, insulating layer inner wall is connected with thermal-insulated subassembly, insulating layer inside is provided with a plurality of rubber insulation bush, a plurality of be provided with the filling layer between the rubber insulation bush, the inside fixed plastic-coated steel band that has cup jointed of rubber insulation bush, rubber insulation bush inner wall connection has high temperature resistant subassembly, plastic-coated steel band inner wall connection has coupling assembling.
As a further description of the above technical solution:
The heat insulation assembly comprises an armor layer fixedly connected with the inner wall of the heat insulation layer, and the inner wall of the armor layer is fixedly connected with a flame-retardant sheath.
As a further description of the above technical solution:
the inner wall of the flame-retardant sheath is fixedly connected with a shielding layer, and the inner wall of the shielding layer is fixedly connected with a flame-retardant heat-insulating layer.
As a further description of the above technical solution:
The high-temperature resistant assembly comprises a high-temperature resistant PVC layer fixedly connected with the inner wall of the rubber insulation bushing, the inner wall of the high-temperature resistant PVC layer is fixedly connected with a heat-conducting PVC layer, and the inner wall of the heat-conducting PVC layer is fixedly connected with a PVC thickened new material heat-insulating layer.
As a further description of the above technical solution:
The connecting assembly comprises a PE outer sheath fixedly sleeved with the inner wall of the plastic-coated steel belt, and a PE inner sheath is fixedly sleeved on the inner wall of the PE outer sheath.
As a further description of the above technical solution:
The inner wall of the PE inner sheath is fixedly sleeved with a crosslinked polyethylene insulating layer, and the inner wall of the crosslinked polyethylene insulating layer is fixedly sleeved with a pure oxygen-free copper core.
The utility model has the following beneficial effects:
Through the mutual matching among the heat insulation component, the high temperature resistant component and the connecting component, the plastic coated steel belt, the PE outer sheath, the PE inner sheath, the crosslinked polyethylene insulating layer and the pure oxygen-free copper core can be matched by the connecting component, so that the pure oxygen-free copper core is insulated and insulated through the crosslinked polyethylene insulating layer, then the PE inner sheath and the PE outer sheath are subjected to double insulation and electricity prevention, the pure oxygen-free copper core is further insulated and insulated, the PE material is convenient to have the effect of high temperature resistance of fifty to ninety degrees, the rubber insulating bushing, the high temperature resistant PVC layer, the heat conducting PVC layer and the PVC thickening new heat insulation layer can be matched by the high temperature resistant component, the strength paved by the pure oxygen-free copper core is enhanced through the plastic coated steel belt, the pure oxygen-free copper core is insulated and insulated again through the rubber insulating bushing, the strength between the pure oxygen-free copper cores on the rubber insulating bushings is enhanced through the filling layer, the PVC thickened new material heat insulation layer on the rubber insulation bushing is used for increasing heat insulation, then the heat conduction PVC layer is used for conducting heat, then the heat transfer of heat is blocked again through the high-temperature resistant PVC layer, the heat insulation assembly is used for enabling the heat insulation layer, the armor skin, the flame-retardant sheath, the shielding layer and the flame-retardant heat insulation layer to be matched, so that the heat insulation is realized through the short circuit of the blocking material of the flame-retardant heat insulation layer, then the shielding layer is used for insulating electricity prevention, the flame-retardant sheath is used for insulating heat again, then the armor skin is used for reinforcing the strength of the pure oxygen-free copper core again, then the heat insulation is further realized through the heat insulation layer, the polyethylene outer sheath is convenient for playing the role of heat insulation protection on the pure oxygen-free copper core, the high-voltage cable has the heat dissipation function, the heat is conducted, the damage after the high-voltage cable is subjected to heat expansion is reduced, thereby improving the use effect.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a high-voltage cable for an electric vehicle according to the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is a schematic structural diagram of a high-voltage cable for an electric vehicle according to the present utility model.
Legend description:
101. A high voltage cable body; 102. a polyethylene outer sheath; 103. an insulating layer; 104. an armor skin; 105. a flame retardant sheath; 106. a shielding layer; 107. a flame retardant insulating layer; 108. a rubber insulating bush; 109. a filling layer; 200. plastic coated steel strip; 201. a high temperature resistant PVC layer; 202. a thermally conductive PVC layer; 203. thickening a new material heat insulation layer by PVC; 204. a PE outer sheath; 205. a PE inner sheath; 206. a crosslinked polyethylene insulating layer; 207. pure oxygen-free copper core.
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. 1-3, the high-voltage cable for the electric car provided by the utility model comprises a high-voltage cable body 101, wherein a polyethylene outer sheath 102 is fixedly sleeved in the high-voltage cable body 101, an insulating heat-insulating layer 103 is fixedly sleeved in the polyethylene outer sheath 102, the inner wall of the insulating heat-insulating layer 103 is connected with a heat-insulating component, the heat-insulating component plays a role in insulating pure oxygen-free copper core 207, referring to fig. 1 and 2, the heat-insulating component comprises an armor layer 104 fixedly connected with the inner wall of the insulating heat-insulating layer 103, a flame-retardant sheath 105 is fixedly connected with the inner wall of the armor layer 104, a shielding layer 106 is fixedly connected with the inner wall of the flame-retardant sheath 105, and the inner wall of the shielding layer 106 is fixedly connected with a flame-retardant heat-insulating layer 107, so that the strength of the high-voltage cable body 101 is enhanced through the armor layer 104.
The inside a plurality of rubber insulation bush 108 that is provided with of insulating thermal-insulated layer 103, be provided with filling layer 109 between a plurality of rubber insulation bush 108, rubber insulation bush 108 inside fixed sleeve has plastic-coated steel band 200, rubber insulation bush 108 inner wall is connected with high temperature resistant subassembly, refer to fig. 1 and 3, high temperature resistant subassembly includes high temperature resistant PVC layer 201 with rubber insulation bush 108 inner wall fixed connection, high temperature resistant PVC layer 201 inner wall fixedly connected with heat conduction PVC layer 202, heat conduction PVC layer 202 inner wall fixedly connected with PVC thickening new material insulating layer 203, play the effect to pure oxygen-free copper core 207 high temperature resistant through high temperature resistant subassembly.
The inner wall of the plastic-coated steel belt 200 is connected with a connecting component, referring to fig. 1 and 2, the connecting component comprises a PE outer sheath 204 fixedly sleeved with the inner wall of the plastic-coated steel belt 200, a PE inner sheath 205 is fixedly sleeved with the inner wall of the PE outer sheath 204, a crosslinked polyethylene insulating layer 206 is fixedly sleeved with the inner wall of the PE inner sheath 205, a pure oxygen-free copper core 207 is fixedly sleeved with the inner wall of the crosslinked polyethylene insulating layer 206, and the pure oxygen-free copper core 207 is insulated through the crosslinked polyethylene insulating layer 206.
Working principle: when the insulation structure is used, the insulation and electricity prevention function on the pure oxygen-free copper core 207 is firstly achieved through the crosslinked polyethylene insulation layer 206, then the insulation and heat insulation function on the pure oxygen-free copper core 207 are achieved through the PE inner sheath 205, and then the insulation and electricity prevention function is achieved through the PE outer sheath 204 again, so that the insulation and heat insulation function on the pure oxygen-free copper core 207 is further achieved, meanwhile, the PE material has the high temperature resistant function of fifty to ninety degrees, and the insulation and heat insulation effects are guaranteed.
Then the strength of laying the pure oxygen-free copper cores 207 is enhanced through the plastic-coated steel belt 200, then the effect of insulating and insulating the pure oxygen-free copper cores 207 again through the rubber insulating bushings 108 is achieved, then the strength between the pure oxygen-free copper cores 207 on the plurality of rubber insulating bushings 108 is enhanced through the filling layer 109, then the heat insulation is enhanced through the PVC thickened new material heat insulation layer 203 on the rubber insulating bushings 108, then the heat conduction PVC layer 202 conducts heat, heat transfer of heat is blocked again through the high-temperature-resistant PVC layer 201, and the heat conduction effect is guaranteed.
The insulation layer 107 is used for blocking the short circuit of the material, the shielding layer 106 is used for insulating electricity, the flame-retardant sheath 105 is used for insulating heat again, the armor layer 104 is used for reinforcing the strength of the pure oxygen-free copper core 207 again, the insulating layer 103 is used for further insulating heat, the polyethylene outer sheath 102 is used for insulating heat and protecting the pure oxygen-free copper core 207, the high-voltage cable body 101 is used for protecting the pure oxygen-free copper core 207 again, and further insulating heat effect is guaranteed.
Finally, it should be noted that: while the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the foregoing embodiments may be modified and equivalents may be substituted for elements thereof without departing from the spirit and principles of the utility model .
Claims (6)
1. The utility model provides a high-voltage cable for trolley, includes high-voltage cable body (101), its characterized in that: the high-voltage cable comprises a high-voltage cable body (101), wherein a polyethylene outer sheath (102) is fixedly sleeved inside the high-voltage cable body, an insulating heat insulation layer (103) is fixedly sleeved inside the polyethylene outer sheath (102), an inner wall of the insulating heat insulation layer (103) is connected with a heat insulation component, a plurality of rubber insulating bushings (108) are arranged inside the insulating heat insulation layer (103), a filling layer (109) is arranged between the rubber insulating bushings (108), a plastic coated steel belt (200) is fixedly sleeved inside the rubber insulating bushings (108), a high-temperature resistant component is connected to the inner wall of the rubber insulating bushings (108), and a connecting component is connected to the inner wall of the plastic coated steel belt (200).
2. A high voltage cable for electric vehicles according to claim 1, characterized in that: the heat insulation assembly comprises an armor (104) fixedly connected with the inner wall of the heat insulation layer (103), and a flame-retardant sheath (105) is fixedly connected with the inner wall of the armor (104).
3. A high voltage cable for electric vehicles according to claim 2, characterized in that: the inner wall of the flame-retardant sheath (105) is fixedly connected with a shielding layer (106), and the inner wall of the shielding layer (106) is fixedly connected with a flame-retardant heat-insulating layer (107).
4. A high voltage cable for electric vehicles according to claim 1, characterized in that: the high-temperature resistant assembly comprises a high-temperature resistant PVC layer (201) fixedly connected with the inner wall of a rubber insulating bushing (108), a heat conducting PVC layer (202) is fixedly connected with the inner wall of the high-temperature resistant PVC layer (201), and a PVC thickened new material heat insulating layer (203) is fixedly connected with the inner wall of the heat conducting PVC layer (202).
5. A high voltage cable for electric vehicles according to claim 1, characterized in that: the connecting assembly comprises a PE outer sheath (204) fixedly sleeved with the inner wall of the plastic-coated steel belt (200), and a PE inner sheath (205) is fixedly sleeved on the inner wall of the PE outer sheath (204).
6. The high-voltage cable for electric vehicles according to claim 5, wherein: the PE inner sheath (205) is characterized in that the inner wall of the PE inner sheath is fixedly sleeved with a crosslinked polyethylene insulating layer (206), and the inner wall of the crosslinked polyethylene insulating layer (206) is fixedly sleeved with a pure oxygen-free copper core (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322301999.0U CN220856145U (en) | 2023-08-26 | 2023-08-26 | High-voltage cable for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322301999.0U CN220856145U (en) | 2023-08-26 | 2023-08-26 | High-voltage cable for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856145U true CN220856145U (en) | 2024-04-26 |
Family
ID=90782535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322301999.0U Active CN220856145U (en) | 2023-08-26 | 2023-08-26 | High-voltage cable for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856145U (en) |
-
2023
- 2023-08-26 CN CN202322301999.0U patent/CN220856145U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |