Automobile wire harness with insulation protection layer

Abstract

The utility model relates to the field of automobile electronics and electrical, and discloses an automobile wire harness with an insulation protection layer, which comprises a plurality of groups of automobile wire harness main bodies and a signal shielding layer, the plurality of groups of automobile wire harness main bodies are fixedly connected inside the signal shielding layer and are annularly distributed, the outer side of the signal shielding layer is fixedly connected with an insulation layer, and the signal shielding layer is fixedly connected with the insulation layer. The outer side of the insulating layer is fixedly connected with a compression-resistant layer, the outer side of the compression-resistant layer is fixedly connected with a flame-retardant layer, the outer side of the flame-retardant layer is fixedly connected with an anti-torque layer, and a plurality of reinforcing ribs are embedded in the anti-torque layer. According to the utility model, the wire harness adopts a multi-layer composite structure of the insulating layer, the compression-resistant layer, the flame-retardant layer and the anti-torque layer, so that compression-resistant, fireproof and anti-torque protection is realized. The flame-retardant layer has excellent fireproof performance, can prevent fire from spreading under the condition of high temperature or open fire, and ensures the safety of the wire harness and the whole vehicle. The anti-torque layer is combined with the reinforcing ribs, so that vibration and torsional stress are effectively resisted, and a complex automobile environment is adapted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile electronic and electrical, especially the automobile wiring harness with insulating protective layer. BACKGROUND

[0002] The automobile wiring harness is the core network of the automobile circuit, and without the wiring harness, the automobile circuit cannot normally operate. The wiring harness is composed of contact terminals (connectors) made of copper material and electric wires and cables after pressure connection, and is further composed of an external plastic pressure insulation body or an additional metal shell, etc. The wiring harness is formed by bundling into a bundle to form a component for connecting a circuit. With the rapid development of automobile electronic technology, the complexity of modern automobile electrical systems has been significantly improved, and a large number of signal transmission and power supply depend on the efficient operation of the wiring harness. In particular, in the field of intelligent automobiles and new energy automobiles, the wiring harness not only needs to carry large current, but also needs to ensure reliable transmission of high-precision control signals, and its performance directly affects the stability of the automobile electrical system and the safety of the whole vehicle.

[0003] However, the existing automobile wiring harness faces many challenges in actual application. First, the problem of electromagnetic interference, in a complex electromagnetic environment, the signal transmission of the wiring harness is easily disturbed, resulting in a decrease or loss of signal quality. Second, the problem of mechanical damage, the wiring harness needs to withstand pressure, vibration and bending during arrangement and use, and traditional protection measures cannot completely prevent the wiring harness from being damaged. High temperature and fire risk is also an important challenge, especially in high temperature areas such as engine compartment, the wiring harness needs to have excellent heat resistance and flame retardance, while the traditional wiring harness cannot provide comprehensive protection. In addition, the difficulty of installation and maintenance is also a big pain point, in a complex environment, the arrangement and fixation of the wiring harness lack flexibility, and are prone to looseness and wear, further increasing the maintenance cost.

[0004] Therefore, the automobile wiring harness with an insulating protective layer is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] In order to make up for the above shortcomings, the utility model provides the automobile wiring harness with the insulating protective layer, aiming at improving the problem that the automobile wiring harness is easily damaged and has poor heat resistance in high temperature environment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: the automobile wiring harness with the insulating protective layer comprises a plurality of automobile wiring harness main bodies and a signal shielding layer, and the plurality of automobile wiring harness main bodies are fixedly connected inside the signal shielding layer and are distributed in a ring shape.

[0007] As a further description of the above technical scheme:

[0008] The signal shielding layer is fixedly connected with an insulating layer on the outside, and the insulating layer is fixedly connected with a pressure-resistant layer on the outside.

[0009] As a further description of the above technical scheme:

[0010] A flame-retardant layer is fixedly connected to the outside of the compression-resistant layer, and a torque-resistant layer is fixedly connected to the outside of the flame-retardant layer.

[0011] As a further description of the above technical solution:

[0012] The anti-torsion layer has multiple reinforcing ribs embedded inside.

[0013] As a further description of the above technical solution:

[0014] A wear-resistant layer is fixedly connected to the outside of the anti-torque layer, and multiple fixing rings are installed on the outside of the wear-resistant layer.

[0015] As a further description of the above technical solution:

[0016] The surface of the wear-resistant layer is corrugated.

[0017] As a further description of the above technical solution:

[0018] The main body of the automotive wiring harness is made of copper conductors, and the outside of the copper conductors is covered with a high-temperature resistant insulating coating.

[0019] As a further description of the above technical solution:

[0020] The signal shielding layer is made of a metal braided mesh, which is a copper or aluminum wire braided structure that can effectively shield external electromagnetic interference.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the wiring harness adopts a multi-layer composite structure, including an insulation layer, a pressure-resistant layer, a flame-retardant layer, and a torque-resistant layer. These layers work synergistically to achieve multiple protections against pressure, fire, and torsion. In particular, the flame-retardant layer possesses excellent fire-resistant properties, preventing the spread of fire in the event of accidental high temperatures or open flames, ensuring the safety of the wiring harness and the entire vehicle. The torque-resistant layer, combined with internal reinforcing ribs, enables the wiring harness to effectively resist vibration and torsional stress, adapting to the complex automotive working environment.

[0023] 2. In this utility model, the corrugated design of the wear-resistant layer enhances the flexibility and wear resistance of the wire harness, enabling flexible arrangement in narrow spaces and preventing damage due to friction. The fixing ring on the outer side of the wear-resistant layer can secure the wire harness in a designated position, preventing displacement or loosening caused by vibration or external force during operation, ensuring long-term stable operation of the wire harness, reducing maintenance needs, and extending the service life of the equipment.

[0024] 3. In this utility model, the design of multiple sets of automotive wiring harnesses arranged in a ring and combined with a signal shielding layer effectively reduces electromagnetic interference between the wiring harnesses, improving the integrity and stability of signal transmission. The signal shielding layer is made of metal braided mesh, which not only shields against external electromagnetic interference but also provides additional mechanical protection for the wiring harnesses, thereby ensuring reliable operation in complex electromagnetic environments. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of the automotive wiring harness with an insulating protective layer proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of an explosion of an automotive wiring harness with an insulating protective layer proposed in this utility model.

[0027] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0028] Legend:

[0029] 1. Retaining ring; 2. Wear-resistant layer; 3. Automotive wiring harness body; 4. Signal shielding layer; 5. Insulation layer; 6. Compression-resistant layer; 7. Flame-retardant layer; 8. Torque-resistant layer; 9. Reinforcing rib. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Reference Figure 1 - Figure 3This utility model provides an embodiment of an automotive wiring harness with an insulating protective layer, comprising multiple sets of automotive wiring harness bodies 3 and a signal shielding layer 4. The multiple sets of automotive wiring harness bodies 3 are fixedly connected inside the signal shielding layer 4 and arranged in a ring. An insulating layer 5 is fixedly connected to the outside of the signal shielding layer 4, a pressure-resistant layer 6 is fixedly connected to the outside of the insulating layer 5, a flame-retardant layer 7 is fixedly connected to the outside of the pressure-resistant layer 6, and a torque-resistant layer 8 is fixedly connected to the outside of the flame-retardant layer 7. Multiple reinforcing ribs 9 are embedded inside the torque-resistant layer 8. The multiple sets of automotive wiring harness bodies 3 serve as the main current and signal transmission components, used to transmit electrical energy and control signals in the automotive electrical system. Their ring arrangement effectively optimizes the internal space layout, reduces mutual electromagnetic interference, and improves the stability and integrity of signal transmission. The signal shielding layer 4 is fixedly connected to the outside of the automotive wiring harness bodies 3, and its main function is to shield external electromagnetic interference, prevent abnormal signal transmission of the automotive wiring harness in complex electromagnetic environments, and also protect the internal wiring harness from external mechanical damage. An insulation layer 5 is fixedly connected to the outside of the signal shielding layer 4. Insulation layer 5 provides excellent electrical insulation performance, preventing short circuits or leakage between different wire harness components within the automotive wiring harness, while also providing isolation protection against the external environment. A pressure-resistant layer 6 is fixedly connected to the outside of the insulation layer 5. Pressure-resistant layer 6 increases the overall mechanical strength of the wiring harness, resisting external pressure and impact, effectively protecting the stable operation of the internal wiring harness in complex environments. A flame-retardant layer 7 is fixedly connected to the outside of the pressure-resistant layer 6. Flame-retardant layer 7 has good fire resistance, effectively preventing the spread of fire in high-temperature or accidental open flame conditions, improving the safety and reliability of the wiring harness. A torque-resistant layer 8 is fixedly connected to the outside of the flame-retardant layer 7. Torque-resistant layer 8 resists external torsional forces, preventing damage to the wiring harness due to frequent torsion or vibration, improving the durability and adaptability of the wiring harness. Multiple reinforcing ribs 9 are embedded inside the torque-resistant layer 8. Reinforcing ribs 9 further enhance the structural strength of the torque-resistant layer 8, disperse external forces, improve the overall mechanical stability of the wiring harness, and ensure its long-term reliable operation in complex automotive working environments.

[0032] Reference Figure 1 - Figure 3The anti-torque layer 8 has a wear-resistant layer 2 fixedly connected to its outer side. Multiple fixing rings 1 are installed on the outer side of the wear-resistant layer 2. The surface of the wear-resistant layer 2 is corrugated. The main body 3 of the automotive wiring harness is made of copper conductors, with a high-temperature resistant insulating coating on the outside. The signal shielding layer 4 is made of metal braided mesh, which has a copper or aluminum wire braided structure, effectively shielding against external electromagnetic interference. The wear-resistant layer 2, fixedly connected to the outer side of the anti-torque layer 8, provides additional mechanical protection, enhances the wear resistance of the wiring harness, prevents damage due to friction during installation or use, and extends the service life of the wiring harness. The corrugated surface of the wear-resistant layer 2 enhances the flexibility of the wiring harness, facilitating bending and arrangement in complex wiring environments, while also increasing the heat dissipation area and improving heat dissipation efficiency. Multiple fixing rings 1 are installed on the outer side of the wear-resistant layer 2. These fixing rings provide fixation during wiring harness installation, securing the wiring harness in the designated position and preventing displacement or loosening due to vibration or external force, ensuring long-term stable operation of the wiring harness. The main body 3 of the automotive wiring harness is made of copper conductors. Copper conductors possess excellent conductivity and mechanical strength, meeting the requirements of high-current and high-precision signal transmission in automotive electrical systems. The copper conductors are coated with a high-temperature resistant insulating coating. This coating provides excellent electrical insulation, preventing short circuits or leakage between conductors within the harness, while also possessing high-temperature resistance to meet the high-temperature demands of the automotive operating environment, ensuring the safe operation of the wiring harness. The signal shielding layer 4 is made of a metal braided mesh. The metal braided mesh uses a copper or aluminum wire braiding structure, effectively shielding against external electromagnetic interference and preventing signal transmission interference in complex electromagnetic environments, ensuring the integrity and stability of signal transmission. Furthermore, the metal braided mesh provides additional mechanical protection against external mechanical impacts and friction damage, thereby improving the reliability and service life of the wiring harness.

[0033] Working Principle: During operation, automotive wiring harnesses with insulating protective layers work together through their multi-layered structure to achieve stable power and signal transmission while resisting various physical and electromagnetic interferences in the complex automotive environment. When current or signals are transmitted through multiple wiring harness bodies 3, the copper conductors provide excellent conductivity, ensuring reliable transmission of high current and high-precision signals. The high-temperature resistant insulating coating on the outside of the copper conductors effectively prevents short circuits or leakage between conductors, while meeting insulation requirements in high-temperature environments, ensuring the safe operation of the wiring harness.

[0034] The signal shielding layer 4 is composed of a metal braided mesh, which can shield external electromagnetic interference and avoid the influence of the complex automotive electromagnetic environment on signal transmission, thereby improving signal integrity and stability. In addition, the metal braided mesh also provides mechanical protection for the main body of the wiring harness, preventing damage from external impacts and friction.

[0035] The insulation layer 5 outside the signal shielding layer 4 further enhances electrical isolation, preventing electrical interference or leakage between different wire harness bodies, while also providing additional protection for the external environment. The pressure-resistant layer 6 outside the insulation layer 5 increases the overall mechanical strength of the wire harness, effectively resisting external pressure or impact, ensuring stable operation of the wire harness in high vibration or stress environments.

[0036] The flame-retardant layer 7 outside the compression-resistant layer 6 possesses excellent fire-resistant properties. When the wiring harness is exposed to high temperatures or open flames, the flame-retardant layer 7 can suppress the spread of fire, providing additional safety for the automotive system. The torque-resistant layer 8 outside the flame-retardant layer 7 resists torsional forces, preventing damage to the wiring harness due to stress concentration during bending or vibration. Multiple reinforcing ribs 9 embedded within the torque-resistant layer 8 disperse external forces, improving the overall mechanical stability of the wiring harness.

[0037] The outer wear-resistant layer 2 provides additional mechanical protection for the wire harness. The corrugated design not only enhances the flexibility of the wire harness, making it more flexible in complex wiring environments, but also increases the heat dissipation area and improves heat dissipation performance. Multiple retaining rings 1 installed on the outside of the wear-resistant layer 2 are used to secure the wire harness in a designated position, preventing displacement or loosening caused by vibration or external force during operation, thereby ensuring the long-term stability and reliability of the wire harness.

[0038] Through the coordinated operation of its multi-layered structure, this wiring harness can achieve stable, efficient, and safe operation in complex automotive environments. It not only meets the requirements for high-current transmission and high-precision signal transmission, but also has excellent anti-interference, anti-pressure, anti-torsion, and wear-resistant properties, comprehensively improving the reliability and service life of automotive electrical systems.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automotive wiring harness with an insulating protective layer, comprising multiple automotive wiring harness bodies (3) and a signal shielding layer (4), characterized in that: Multiple sets of the automotive wiring harness bodies (3) are fixedly connected inside the signal shielding layer (4) and arranged in a ring. An insulating layer (5) is fixedly connected to the outside of the signal shielding layer (4). An anti-compression layer (6) is fixedly connected to the outside of the insulating layer (5). A flame-retardant layer (7) is fixedly connected to the outside of the anti-compression layer (6). An anti-torque layer (8) is fixedly connected to the outside of the flame-retardant layer (7). Multiple reinforcing ribs (9) are embedded inside the anti-torque layer (8). A wear-resistant layer (2) is fixedly connected to the outside of the anti-torque layer (8). Multiple fixing rings (1) are installed on the outside of the wear-resistant layer (2).

2. The automotive wiring harness with an insulating protective layer according to claim 1, characterized in that: The surface of the wear-resistant layer (2) is corrugated.

3. The automotive wiring harness with an insulating protective layer according to claim 1, characterized in that: The main body (3) of the automotive wiring harness is made of copper conductors, and the outside of the copper conductors is covered with a high-temperature resistant insulating coating.

4. The automotive wiring harness with an insulating protective layer according to claim 1, characterized in that: The signal shielding layer (4) is made of metal braided mesh, which is a copper or aluminum wire braided structure that can effectively shield external electromagnetic interference.

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