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CN-224217262-U - New energy automobile-used cable

CN224217262UCN 224217262 UCN224217262 UCN 224217262UCN-224217262-U

Abstract

The utility model discloses a new energy vehicle cable, which comprises a conductor layer positioned at the innermost layer, wherein the outer surface of the conductor layer is coated with a first insulating layer, the outer side of the first insulating layer is fixedly provided with an inner shielding layer, the outer side of the inner shielding layer is fixedly provided with a second insulating layer, the outer side of the second insulating layer is fixedly provided with an outer shielding layer, the outer side of the outer shielding layer is fixedly provided with a heat dissipation layer, and the outer side of the heat dissipation layer is fixedly provided with an outer sheath.

Inventors

  • Bian Yujian
  • ZHANG HUAN

Assignees

  • 上海鲁班车服信息技术有限公司

Dates

Publication Date
20260508
Application Date
20250418

Claims (7)

  1. 1. The novel energy automobile-used cable comprises a conductor layer (1) positioned on an innermost layer, wherein the conductor layer (1) is formed by stranding a plurality of tinned copper wires, and is characterized in that a first insulating layer (2) is coated on the outer surface of the conductor layer (1), an inner shielding layer (3) is fixedly arranged on the outer side of the first insulating layer (2), a second insulating layer (4) is fixedly arranged on the outer side of the inner shielding layer (3), an outer shielding layer (5) is fixedly arranged on the outer side of the second insulating layer (4), a heat dissipation layer (6) is fixedly arranged on the outer side of the outer shielding layer (5), and an outer jacket (7) is fixedly arranged on the outer side of the heat dissipation layer (6).
  2. 2. The new energy vehicle cable according to claim 1, wherein the first insulating layer (2) is made of a crosslinked polyethylene material.
  3. 3. The new energy vehicle cable according to claim 1, wherein the inner shielding layer (3) is of a braided copper wire mesh structure.
  4. 4. The new energy vehicle cable according to claim 1, wherein the second insulating layer (4) is made of silicon rubber and ceramic particles.
  5. 5. The new energy vehicle cable according to claim 1, wherein the heat dissipation layer (6) is formed by compounding a spiral wound metal wire and heat conducting silica gel, and the metal wire is nickel-plated copper wire.
  6. 6. The new energy automobile cable according to claim 1, wherein the outer sheath (7) is made of flame-retardant thermoplastic polyurethane material, and protruding stripes (8) distributed axially are arranged on the surface of the outer sheath (7).
  7. 7. The new energy vehicle cable according to claim 1, wherein the outer shielding layer (5) is an aluminum-plastic composite tape wrapping layer.

Description

New energy automobile-used cable Technical Field The utility model relates to the technical field of high-voltage cables of new energy automobiles, in particular to a high-performance cable with a multilayer composite structure, which is suitable for high-voltage electric energy transmission of power batteries, motors and charging systems of electric automobiles. Background The existing new energy automobile cable has the problems that electromagnetic interference is easy to generate under the working conditions of high pressure and high frequency due to the adoption of a single-layer shielding structure, the traditional insulating layer is low in temperature resistance level, is only less than or equal to 125 ℃ at the highest, is easy to crack after being bent for a long time, and part of the cable is cooled by adopting a metal sheath, so that the flexibility of the cable is reduced, and the cable cannot well meet the wiring requirement of a narrow space in an automobile. Disclosure of utility model First technical problem The utility model provides a novel energy vehicle cable with composite shielding, high temperature resistance, good dynamic heat dissipation and light weight, which solves the problems of electromagnetic interference, insufficient temperature resistance, contradiction between heat dissipation and flexibility, large weight and the like of the existing cable. (II) technical content In order to solve the technical problems, the technical scheme is that the novel energy vehicle cable comprises a conductor layer positioned at the innermost layer, wherein the conductor layer is formed by stranding a plurality of tinned copper wires, a first insulating layer is coated on the outer surface of the conductor layer, an inner shielding layer is fixedly arranged on the outer side of the first insulating layer, a second insulating layer is fixedly arranged on the outer side of the inner shielding layer, an outer shielding layer is fixedly arranged on the outer side of the second insulating layer, a heat dissipation layer is fixedly arranged on the outer side of the outer shielding layer, and an outer jacket is fixedly arranged on the outer side of the heat dissipation layer. Further, the first insulating layer is made of a crosslinked polyethylene material. Further, the inner shielding layer is of a woven copper wire mesh structure. Further, the second insulating layer is made of silicon rubber and ceramic particles in a compounding mode. Further, the heat dissipation layer is formed by compounding a spiral wound metal wire and heat conduction silica gel, and the metal wire is a nickel-plated copper wire. Further, the outer sheath is made of flame-retardant thermoplastic polyurethane material, and the surface of the outer sheath is provided with protruding stripes which are axially distributed. Further, the outer shielding layer is an aluminum-plastic composite tape wrapping layer. (III) technical effects Compared with the prior art, the utility model has the advantages that: 1. The high-efficiency composite shielding is that the inner braided copper wire mesh structure shielding layer and the outer aluminum plastic composite belt wrapping shielding layer act together to respectively and effectively inhibit high-frequency interference and low-frequency interference, and the shielding efficiency is improved by more than 40%. 2. And the second insulating layer is made of silicon rubber and ceramic particles, the temperature resistance level can reach 180 ℃, and the bending resistance life is improved by 3 times. 3. The heat dissipation layer formed by compounding the spirally wound nickel-plated copper wires and the heat-conducting silica gel can maintain a heat-conducting channel when the cable is bent, and the heat dissipation area is increased by matching with the protruding stripes axially distributed on the surface of the outer sheath, so that the temperature rise can be reduced by 15-20 ℃. 4. The weight is reduced by 25% compared with the traditional cable with the same specification through layered optimization design, and the light-weight energy vehicle meets the light-weight development requirement of new energy vehicles. Drawings Fig. 1 is a schematic perspective view of a cable for a new energy vehicle according to the present utility model. Fig. 2 is a schematic diagram of a three-dimensional structure of a cable for a new energy vehicle according to the present utility model. Fig. 3 is a schematic diagram of a front view structure of a new energy vehicle cable according to the present utility model. As shown in the figure, 1, a conductor layer, 2, a first insulating layer, 3, an inner shielding layer, 4, a second insulating layer, 5, an outer shielding layer, 6, a heat dissipation layer, 7, an outer sheath and 8, and raised stripes. Detailed Description In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right",