Light-weight wire harness with good wear resistance for new energy automobile

Abstract

The utility model discloses a light-weight wire harness with good wear resistance for a new energy automobile. The light-weight wire harness comprises a wire core, the honeycomb conduit wraps the wire core and is formed by weaving aluminum magnesium alloy wires, and the inner wall of the honeycomb conduit is provided with an insulating film wrapping the wire core; the outer wall of the polyurethane guide sleeve is provided with a spiral reinforcing rib and a plurality of open pores, the diameter of the spiral reinforcing rib is 0.1 mm, and the open pores are formed through puncture and are spaced from the spiral reinforcing rib; the thickness of the fluorosilicon resin outer sleeve is 0.8-1.2 mm, and a copper mesh wire layer is embedded in the inner wall of the fluorosilicon resin outer sleeve. According to the utility model, the honeycomb conduits are matched with the insulating films to wrap the internal wire cores, so that the shielding effect is enhanced, the weight is light, and the lightweight design is realized; spiral reinforcing ribs are arranged on the outer wall of the polyurethane guide sleeve to improve strength, and punctured holes enhance toughness and reduce pressure; and the external fluorosilicone resin jacket enhances external protection and improves wear resistance.

Description

Technical Field

[0001] This utility model belongs to the field of automotive wiring harness technology, specifically, it relates to a lightweight wiring harness for new energy vehicles with good wear resistance. Background Technology

[0002] With the increasing market share of new energy electric vehicles and the widespread promotion of new energy vehicles in developed countries, most domestic automakers are also expanding the production and sales of new energy vehicles. Despite current crude oil prices, the energy cost per 100 kilometers for electric vehicles is still only half that of gasoline. In China, this price ratio is even more pronounced, despite the continuous decline in crude oil prices. While the fundamental advantages of new energy are diminishing, the basic fact that electricity prices are lower than oil prices is unlikely to change in the medium term, and the trend of electric vehicles replacing automobiles remains significant. The wiring harness is a crucial component of new energy vehicles. Existing wiring harnesses typically use external rubber insulation sleeves, which are easily damaged, have poor shielding durability, and low overall wear resistance. Furthermore, the heavy external insulation sleeves contradict current mainstream lightweight designs, impacting market application.

[0003] Therefore, a lightweight wiring harness with good wear resistance for new energy vehicles urgently needs to be studied. Utility Model Content

[0004] In view of this, the technical problem to be solved by this utility model is to provide a lightweight wiring harness for new energy vehicles with good wear resistance, so as to avoid the trouble of poor wear resistance and easy wear of previous automotive wiring harnesses.

[0005] To solve the above-mentioned technical problems, this utility model discloses a lightweight wiring harness for new energy vehicles with good wear resistance, comprising:

[0006] wire core;

[0007] The honeycomb conduit covering the wire core is made of aluminum-magnesium alloy wire and has an insulating film covering the wire core on the inner wall.

[0008] A polyurethane guide sleeve fitted onto a honeycomb conduit has spiral reinforcing ribs and multiple openings on its outer wall. The spiral reinforcing ribs have a diameter of 0.1 mm, and the openings are formed by puncture and spaced apart from the spiral reinforcing ribs.

[0009] A fluorosilicone resin jacket covering a polyurethane guide sleeve has a thickness of 0.8-1.2 mm and an inner wall embedded with a copper mesh layer.

[0010] Flame-retardant fibers are filled between the polyurethane guide sleeve and the fluorosilicone outer sleeve.

[0011] According to one embodiment of the present invention, the surface of the polyurethane guide sleeve is coated with a silicon carbide coating.

[0012] According to one embodiment of the present invention, the thickness of the polyurethane guide sleeve is 1 mm.

[0013] According to one embodiment of the present invention, at least 6 spiral reinforcing ribs are provided.

[0014] According to one embodiment of the present invention, the above-mentioned opening is formed by puncturing with a 0.2mm puncture needle, and the adjacent spacing is at least 2.5mm.

[0015] Compared with the prior art, the present invention can achieve the following technical effects:

[0016] The internal wire core is wrapped with an insulating film using a honeycomb conduit to enhance the shielding effect and achieve a lightweight design. The outer wall of the polyurethane conductor sleeve is equipped with spiral reinforcing ribs to improve strength, and puncture openings to enhance toughness and reduce pressure. The outer fluorosilicone resin jacket enhances external protection and improves wear resistance.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the above-mentioned technical effects at the same time. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of a lightweight wiring harness for new energy vehicles with good wear resistance, according to an embodiment of this utility model.

[0020] Attached Figure Labels

[0021] Wire core 10, honeycomb conduit 20, insulating film 21, polyurethane conductor sleeve 30, fluorosilicone resin outer jacket 40, copper mesh layer 41. Detailed Implementation

[0022] The following will describe in detail the implementation of this utility model with reference to the accompanying drawings and embodiments, so that the implementation of this utility model can be fully understood and carried out based on how technical means are used to solve technical problems and achieve technical effects.

[0023] Please refer to Figure 1 , Figure 1 This is a schematic diagram of a lightweight wiring harness for new energy vehicles with good wear resistance, according to an embodiment of this utility model.

[0024] As shown in the figure, a lightweight wiring harness for new energy vehicles with good wear resistance includes a wire core 10; a honeycomb conduit 20 covering the wire core 10, the honeycomb conduit 20 being woven from aluminum-magnesium alloy wire, and having an insulating film 21 covering the wire core 10 on its inner wall; a polyurethane guide sleeve 30 fitted onto the honeycomb conduit 20, the outer wall of the polyurethane guide sleeve 30 having spiral reinforcing ribs and multiple openings, the diameter of the spiral reinforcing ribs being 0.1mm, and the openings being formed by puncture and spaced apart from the spiral reinforcing ribs; and a fluorosilicone resin outer jacket 40 covering the polyurethane guide sleeve 30, the thickness of the fluorosilicone resin outer jacket 40 being 0.8-1.2mm, and having a copper mesh wire layer 41 embedded in its inner wall.

[0025] In one embodiment of this utility model, the wire core is a conductive wire core, serving as the internal busbar. An insulating film 21 is wrapped around the outside, and then further wrapped with a honeycomb-shaped conduit woven from aluminum-magnesium alloy wire to enhance the shielding effect. Furthermore, it has a high strength, meeting the requirements of lightweight design. The polyurethane conductive sleeve 30 is a central insulating protective sleeve, with protruding spiral reinforcing ribs on its outer wall to improve strength and enhance protection. Multiple openings for the spaced spiral reinforcing ribs are pierced into the surface to enhance toughness and provide a pressure-reducing effect. A fluorosilicone resin jacket 40 is fitted on the outermost layer, providing wear-resistant protection, and a copper mesh layer 41 embedded in the inner wall further enhances the shielding.

[0026] In a preferred embodiment, the spiral reinforcing ribs have a diameter of 0.1 mm and at least six ribs are provided, spirally arranged on the outer wall of the polyurethane guide sleeve 30 to improve strength. The space between the polyurethane guide sleeve 30 and the fluorosilicone resin outer jacket 40 can be filled with polyurethane adhesive for fixation or filled with a layer of flame-retardant fiber to enhance functionality.

[0027] Furthermore, the openings of the polyurethane guide sleeve 30 are formed by puncture with a 0.2mm puncture needle, and the adjacent spacing is at least 2.5mm, with moderate porosity, which further enhances its compressive toughness.

[0028] In addition, the surface of the polyurethane guide sleeve 30 is coated with a silicon carbide coating to improve surface wear resistance and enhance its service life. After coating, holes can be made.

[0029] The polyurethane guide sleeve 30 has a thickness of 1mm, and the fluorosilicone resin outer jacket 40 has a thickness of 0.8-1.2mm, making the whole unit lightweight and achieving a lightweight design.

[0030] In summary, this utility model enhances the shielding effect by using a honeycomb conduit 20 in conjunction with an insulating film 21 to cover the internal wire core 10, while achieving a lightweight design; the outer wall of the polyurethane guide sleeve 30 is provided with spiral reinforcing ribs to improve strength, and puncture openings to enhance toughness and reduce pressure; the outer fluorosilicone resin jacket 40 enhances external protection and improves wear resistance.

[0031] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A lightweight wiring harness for new energy vehicles with good wear resistance, characterized in that, include: wire core; A honeycomb conduit covering the wire core, the honeycomb conduit being woven from aluminum-magnesium alloy wire, and having an insulating film covering the wire core on its inner wall; A polyurethane guide sleeve is fitted onto the honeycomb conduit. The outer wall of the polyurethane guide sleeve has spiral reinforcing ribs and multiple openings. The diameter of the spiral reinforcing ribs is 0.1 mm. The openings are formed by puncture and spaced apart from the spiral reinforcing ribs. A fluorosilicone resin jacket covering the polyurethane guide sleeve has a thickness of 0.8-1.2 mm and an inner wall embedded with a copper mesh layer. Flame-retardant fibers are filled between the polyurethane guide sleeve and the fluorosilicone outer sleeve.

2. The ultra-lightweight wire harness for new energy applications according to claim 1, characterized in that, The polyurethane guide sleeve surface is coated with a silicon carbide coating.

3. The ultra-lightweight wire harness for new energy applications according to claim 1, characterized in that, The polyurethane guide sleeve has a thickness of 1 mm.

4. The ultra-lightweight wire harness for new energy applications according to claim 1, characterized in that, The spiral reinforcing ribs are provided with at least 6 ribs.

5. The ultra-lightweight wire harness for new energy applications according to claim 1, characterized in that, The opening is formed by puncturing with a 0.2mm puncture needle, and the distance between adjacent openings is at least 2.5mm.

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