Highly heat-conductive data transmission cable for automobiles

Abstract

This utility model discloses a high thermal conductivity data transmission cable for automobiles, comprising a conductor layer and, sequentially, a thermally conductive insulating layer, a heat dissipation enhancement layer, a shielding layer, and a sheathing layer covering the conductor layer; wherein, the heat dissipation enhancement layer is made of mesh copper foil, and the surface of the shielding layer is coated with silicone grease. This utility model, through innovative structural and material design, achieves efficient heat dissipation while maintaining a small size and weight, meeting the requirements of lightweight automotive systems and high-performance transmission.

Description

Technical Field

[0001] This utility model relates to the field of cable manufacturing, specifically to a high thermal conductivity data transmission cable for automobiles. Background Technology

[0002] With the development of automotive electronics and intelligence, the transmission rate and power requirements of in-vehicle data transmission cables are constantly increasing. Traditional data transmission cables generate a lot of heat during high-speed, high-power transmission. If the heat cannot be dissipated in time, the cable temperature will rise, affecting transmission performance and even causing safety hazards. In current technology, cable heat dissipation mainly relies on external heat dissipation devices or increasing the cable diameter, but these methods increase the weight and volume of the cable, which is not conducive to lightweight automotive design. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a high thermal conductivity data transmission cable for automobiles. Through innovative structural design, the cable can achieve efficient heat dissipation while maintaining a small size and weight, thus meeting the needs of lightweight and high-performance transmission in automobiles.

[0004] This utility model is implemented as follows:

[0005] A high thermal conductivity data transmission cable for automobiles includes a conductor layer and a thermally conductive insulation layer, a heat dissipation enhancement layer, a shielding layer, and a sheath layer sequentially wrapped around the conductor layer; wherein the heat dissipation enhancement layer is made of mesh copper foil, and the surface of the shielding layer is coated with silicone grease.

[0006] Furthermore, the conductor layer is a silver-plated copper conductor with a diameter of 0.48 mm.

[0007] Furthermore, the thermally conductive insulating layer is a boron nitride-filled polyimide material with a thickness of 0.23-0.26 mm and a concentricity greater than 95%.

[0008] Furthermore, the heat dissipation enhancement layer has a thickness of 0.04 mm and a width of 7 mm.

[0009] Furthermore, the shielding layer is a silver-plated copper braided layer with a braiding density greater than 90%.

[0010] Furthermore, the sheath layer is made of polyurethane material with a thickness of 0.25-0.35 mm and a concentricity greater than 85%.

[0011] The advantages of this utility model are: (1) High-efficiency heat dissipation: Thanks to the synergistic effect of the high thermal conductivity insulation layer, metal heat dissipation mesh and thermal grease, the heat dissipation efficiency of the cable is significantly improved. This design effectively avoids performance degradation or potential safety hazards caused by overheating, and provides a reliable guarantee for the stable operation of the equipment. (2) Lightweight design: By adopting high thermal conductivity materials and combining them with a compact structural design, the cable significantly reduces its volume and weight while ensuring excellent heat dissipation performance. This feature makes it perfectly in line with the lightweight development trend of the automotive industry and provides a better choice for modern car design. (3) Wide range of applications: This cable can not only meet the needs of traditional cars, but also, with its excellent performance, is widely applicable to electric vehicles, smart cars and other application scenarios with strict requirements for high power and high data transmission, showing strong versatility and adaptability. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a schematic diagram of the cross-sectional structure of this utility model;

[0014] Figure 2 This is a diagram of the internal structure of this utility model.

[0015] in:

[0016] 100. Cable; 1. Conductor layer; 2. Thermally conductive insulation layer; 3. Heat dissipation enhancement layer; 4. Shielding layer; 5. Sheath layer. Detailed Implementation

[0017] Please see Figure 1 and Figure 2 As shown, a high thermal conductivity data transmission cable 100 for automobiles includes a conductor layer 1 and a thermally conductive insulation layer 2, a heat dissipation enhancement layer 3, a shielding layer 4, and a sheath layer 5 sequentially covering the conductor layer 1.

[0018] The conductor layer 1 uses a highly conductive material, such as a silver-plated copper single conductor, for transmitting data and power, and has a diameter of 0.48 mm. The thermally conductive insulating layer 2 has an outer diameter of 1.52 mm, a thickness controlled between 0.23-0.26 mm, and a concentricity greater than 95%. It uses a highly thermally conductive polymer composite material, such as boron nitride-filled polyimide, which provides excellent insulation performance and allows for rapid heat dissipation from the conductor layer 1. The heat dissipation enhancement layer 3 has a thickness of 0.04 mm and a width of 7 mm. The heat dissipation enhancement layer 3 is a mesh copper foil, formed by perforating a copper foil. Compared to traditional fully enclosed metal strips, it has the advantage of being lightweight and can further accelerate heat dissipation; the shielding layer 4 adopts a high thermal conductivity metal braided layer, which is made of 5 0.1 silver-plated copper wires braided together, and the braiding density of more than 90% can both shield electromagnetic interference and assist in heat dissipation. At the same time, the surface of the metal braided layer can improve durability while accelerating heat dissipation, and the surface of the shielding layer 4 is also coated with silicone grease, so that the silicone grease material evenly covers the gaps on the surface of the metal braided layer; the thickness of the sheath layer 5 is 0.25-0.35mm, the concentricity is greater than 85%, and the sheath layer 5 is made of highly thermally conductive and wear-resistant elastic materials such as polyurethane.

[0019] The working principle of this utility model is as follows: when the cable transmits high-power data or electricity, the conductor 1 will generate heat. The heat is quickly conducted to the heat dissipation enhancement layer 3 and the shielding layer 4 through the thermally conductive insulation layer 2. The heat dissipation enhancement layer 3 and the shielding layer 4 can evenly distribute the heat and exchange heat with the outside air through the sheath layer 5.

[0020] The advantages of this utility model are: (1) High-efficiency heat dissipation: Thanks to the synergistic effect of the high thermal conductivity insulation layer, metal heat dissipation mesh and thermal grease, the heat dissipation efficiency of the cable is significantly improved. This design effectively avoids performance degradation or potential safety hazards caused by overheating, and provides a reliable guarantee for the stable operation of the equipment. (2) Lightweight design: By adopting high thermal conductivity materials and combining them with a compact structural design, the cable significantly reduces its volume and weight while ensuring excellent heat dissipation performance. This feature makes it perfectly in line with the lightweight development trend of the automotive industry and provides a better choice for modern car design. (3) Wide range of applications: This cable can not only meet the needs of traditional cars, but also, with its excellent performance, is widely applicable to electric vehicles, smart cars and other application scenarios with strict requirements for high power and high data transmission, showing strong versatility and adaptability.

[0021] While specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments described are merely illustrative and not intended to limit the scope of the present invention. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A high thermal conductivity data transmission cable for automobiles, characterized in that: include: The conductor layer consists of a thermally conductive insulating layer, a heat dissipation enhancement layer, a shielding layer, and a sheath layer sequentially covering the conductor layer; wherein the heat dissipation enhancement layer is a mesh copper foil, and the surface of the shielding layer is coated with silicone grease.

2. A high thermal conductive data transmission cable for automotive use as claimed in claim 1, wherein: The conductor layer is a silver-plated copper conductor with a diameter of 0.48 mm.

3. A high thermal conductive data transmission cable for automotive use as claimed in claim 1, wherein: The thermally conductive insulating layer is a boron nitride-filled polyimide material with a thickness of 0.23-0.26 mm and a concentricity greater than 95%.

4. The high thermal conductivity data transmission cable for automobiles as described in claim 1, characterized in that: The heat dissipation enhancement layer has a thickness of 0.04 mm and a width of 7 mm.

5. The high thermal conductive data transmission cable for automotive use according to claim 1, characterized in that: The shielding layer is a silver-plated copper braided layer with a braiding density greater than 90%.

6. A high thermal conductivity data transmission cable for automotive use as defined in claim 1, wherein: The sheath layer is made of polyurethane material with a thickness of 0.25-0.35 mm and a concentricity greater than 85%.

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