High-temperature-resistant anti-adhesion automobile wire
By designing a multi-layer structure in automotive wires, including insulating layer, high-temperature resistance layer, shielding layer, flame retardant layer, sheath layer and anti-adhesion layer, the problems of poor durability and easy adhesion in high-temperature environments are solved, and higher safety and stability are achieved.
Patent Information
- Application Number
- CN202420631351.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-29
AI Technical Summary
Existing automotive wires have poor durability in high temperature environments and are prone to mutual adhesion due to excessive temperature or environmental influences, which poses safety hazards.
A high-temperature anti-blocking automobile wire is designed, and a wire core of multiple sets of single-wire stranded wires is used. The outer layer is equipped with an insulating layer, a high-temperature resistance layer, a shielding layer, a flame retardant layer, a sheath layer and an anti-blocking layer. The insulating layer and sheath layer are silicone rubber layers, the shielding layer adopts a tin-plated silk braided layer and an aluminum foil layer, and the anti-blocking layer is an isolator layer.
Through this design, the wire can effectively prevent adhesion in a high-temperature environment, improve the safety and stability of use, and have good easy processing performance, high temperature resistance, bending resistance, and combustion resistance.
Smart Images
Figure CN222636907U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile wires, in particular to a high temperature resistant and anti-adhesion automobile wire. Background Art
[0002] The automotive wiring harness connects the power supply and electrical components of the car, and is responsible for the information transmission between the electrical appliances of the whole vehicle, while the wires are the core of the wiring harness. As people's requirements for the comprehensive performance of automobiles increase, the electrical appliances in the car are also developing towards diversification, and the automotive wiring harness is becoming more and more complex. More intelligent systems are applied to automobiles, and the output interfaces of these intelligent controllers put forward higher requirements for the design and assembly of automotive wires. However, the existing wires have poor high temperature resistance. During long-term use, the wires often stick to each other due to excessive temperature or environmental influences, which makes the wires have certain safety hazards. For this reason, we propose a high temperature resistant and anti-adhesion automotive wire. Utility Model Content
[0003] In order to solve the above problems, the utility model provides a high temperature resistant and anti-adhesion automotive wire. The utility model solves the problem that the existing wires have poor high temperature resistance and often stick to each other due to excessive temperature or environmental influences during long-term use, which makes the wires present certain safety hazards.
[0004] The utility model discloses a high temperature resistant and anti-adhesion automobile wire, comprising a wire core, wherein the wire core is a plurality of groups of single-wire twisted wires, each group of single-wires is twisted by a plurality of bundles of one-time drawn metal wires, the twisting direction is leftward, the metal wire is a soft round copper wire or a tinned soft round copper wire with a purity of more than 99.99%, and the cross section is 4.0mm 2 The maximum diameter of a single wire is 0.30 mm. An insulating layer is provided on the outside of the wire core, a high temperature resistant layer is provided on the outside of the insulating layer, a shielding layer is provided on the outside of the high temperature resistant layer, a flame retardant layer is provided on the outside of the shielding layer, a sheath layer is provided on the outside of the flame retardant layer, and an anti-adhesion layer is provided on the outside of the sheath layer.
[0005] In the above solution, the insulating layer and the sheath layer are both silicone rubber layers, and the thinnest point of the insulating layer is not less than 80% of the nominal insulation thickness.
[0006] In the above solution, the high temperature resistant layer is a high temperature resistant coating layer.
[0007] In the above solution, the shielding layer includes a tinned parallel wire braided layer and an aluminum foil layer, the tinned parallel wire braided layer is located outside the high temperature resistant layer, and the aluminum foil layer is located outside the tinned parallel wire braided layer.
[0008] In the above solution, the flame retardant layer is a poly(perfluoroethylene propylene) material layer.
[0009] In the above solution, the anti-adhesion layer is a release agent layer.
[0010] The advantages and beneficial effects of the utility model are as follows: the utility model provides a high-temperature resistant and anti-adhesion automotive wire, which uses a tinned wire braided layer and an aluminum foil layer for composite shielding, a silicone rubber sheath is extruded on the outer side of the sheath layer, and a fixed-ratio isolating agent aqueous solution is evenly coated on the wire surface, and a hot air device is used to fix the isolating agent on the wire surface, thereby ensuring that the wire is prevented from adhering during use. The surface of the sheath layer of the automotive wire adopts a new type of isolating agent to ensure that the product is prevented from adhering during use, so that it has good processing performance, and ensures the safety and stability of the wire. The insulation is made of silicone rubber material, which is resistant to high temperature, bending and flame retardant. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 It is a cross-sectional view of the utility model.
[0014] In the figure: 1. Wire core 2. Insulation layer 3. High temperature resistant layer 4. Shielding layer
[0015] 41. Tinned braided layer 42. Aluminum foil layer 5. Flame retardant layer 6. Sheath layer
[0016] 7. Anti-adhesion layer. DETAILED DESCRIPTION
[0017] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.
[0018] like Figure 1-2 As shown, the utility model is a high temperature resistant and anti-adhesion automotive wire, comprising a wire core 1, wherein the wire core 1 is a plurality of groups of single-wire stranded wires, each group of single wires is stranded by a plurality of bundles of one-time drawn metal wires, the stranding direction is left, the metal wire is a soft round copper wire or a tinned soft round copper wire with a purity of more than 99.99%, and the cross section is 4.0mm 2The maximum single wire diameter is 0.30mm. By twisting multiple single wires in one direction, the structural stability of the wire when bent is effectively improved. An insulating layer 2 is provided on the outside of the wire core 1, and a high temperature resistant layer 3 is provided on the outside of the insulating layer 2. The high temperature resistant layer 3 increases the high temperature resistance of the wire. A shielding layer 4 is provided on the outside of the high temperature resistant layer 3. The shielding layer 4 increases the shielding performance of the wire and avoids mutual influence between the wires. A flame retardant layer 5 is provided on the outside of the shielding layer 4. The flame retardant layer 5 increases the fire resistance of the wire. A sheath layer 6 is provided on the outside of the flame retardant layer 5, and an anti-adhesion layer 7 is provided on the outside of the sheath layer 6.
[0019] The insulating layer 2 and the sheath layer 6 are both silicone rubber layers, and the thinnest point of the insulating layer 2 is not less than 80% of the nominal insulation thickness.
[0020] The high temperature resistant layer 3 is a high temperature resistant coating layer.
[0021] The shielding layer 4 includes a tinned parallel wire braided layer 41 and an aluminum foil layer 42. The tinned parallel wire braided layer 41 is located on the outside of the high temperature resistant layer 3, and the aluminum foil layer 42 is located on the outside of the tinned parallel wire braided layer 41. The braiding density of the tinned parallel wire braided layer 41 is not less than 70%, and the aluminum foil layer 42 is wrapped around the outside of the tinned parallel wire braided layer 41, with a coverage rate of 100%.
[0022] The flame retardant layer 5 is a fluoroethylene propylene material layer.
[0023] The anti-adhesion layer 7 is a release agent layer, which is a release agent aqueous solution with a fixed ratio uniformly coated on the surface of the wire, and a hot air device is used to fix the release agent on the surface of the wire.
[0024] Specifically, in the utility model, the wire core 1 is a soft round copper wire or a tinned soft round copper wire with a purity of more than 99.99%, the single wire diameter is 0.30mm, and it is twisted by a single bundle twisting, and the twisting direction is left. The insulating layer 2 is extruded with a layer of silicone rubber, and a tinned braided layer 41 and an aluminum foil layer 42 are used for composite shielding. The sheath layer 6 is extruded with a layer of silicone rubber sheath on the outside, and a fixed ratio of isolating agent aqueous solution is evenly coated on the surface of the wire, and a hot air device is used to fix the isolating agent on the surface of the wire to ensure that the wire is prevented from sticking during use.
[0025] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A high temperature resistant and anti-adhesion automotive wire, comprising a wire core (1), characterized in that: The wire core (1) is a plurality of groups of single-wire twisted wires, each group of single wires is twisted by a plurality of bundles of metal wires drawn at one time, the twisting direction is leftward, the metal wire is a soft round copper wire or a tinned soft round copper wire with a purity of more than 99.99%, and a cross-section of 4.0 mm 2 The maximum single wire diameter is 0.30 mm. The outer side of the wire core (1) is provided with an insulating layer (2). The outer side of the insulating layer (2) is provided with a high temperature resistant layer (3). The outer side of the high temperature resistant layer (3) is provided with a shielding layer (4). The outer side of the shielding layer (4) is provided with a flame retardant layer (5). The outer side of the flame retardant layer (5) is provided with a sheath layer (6). The outer side of the sheath layer (6) is provided with an anti-adhesion layer (7).
2. The high temperature resistant and anti-adhesion automotive wire according to claim 1, characterized in that: The insulating layer (2) and the sheath layer (6) are both silicone rubber layers, and the thinnest point of the insulating layer (2) is not less than 80% of the nominal insulation thickness.
3. The high temperature resistant and anti-adhesion automotive wire according to claim 1, characterized in that: The high temperature resistant layer (3) is a high temperature resistant coating layer.
4. The high temperature resistant and anti-adhesion automotive wire according to claim 1, characterized in that: The shielding layer (4) comprises a tinned parallel wire braided layer (41) and an aluminum foil layer (42), wherein the tinned parallel wire braided layer (41) is located outside the high temperature resistant layer (3), and the aluminum foil layer (42) is located outside the tinned parallel wire braided layer (41).
5. The high temperature resistant and anti-adhesion automotive wire according to claim 1, characterized in that: The flame retardant layer (5) is a fluoroethylene propylene material layer.
6. The high temperature resistant and anti-adhesion automotive wire according to claim 1, characterized in that: The anti-adhesion layer (7) is a release agent layer.