CN219759239U - High-temperature-resistant small-section automobile wire with reinforcing structure - Google Patents
High-temperature-resistant small-section automobile wire with reinforcing structure Download PDFInfo
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- CN219759239U CN219759239U CN202321153792.7U CN202321153792U CN219759239U CN 219759239 U CN219759239 U CN 219759239U CN 202321153792 U CN202321153792 U CN 202321153792U CN 219759239 U CN219759239 U CN 219759239U
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- Prior art keywords
- wire
- conductor
- steel wire
- reinforcing
- insulating layer
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 4
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Insulated Conductors (AREA)
- Non-Insulated Conductors (AREA)
Abstract
The utility model provides a high-temperature-resistant small-section automobile wire with a reinforcing structure, which comprises a reinforcing conductor and an insulating layer, wherein the reinforcing conductor is arranged in the insulating layer, and the pitch diameter ratio of the reinforcing conductor is 20-30; the reinforced conductor is formed by twisting a steel wire and 8 copper wires into a beam, the steel wire is positioned in the center of the reinforced conductor, the 8 copper wires are tightly wrapped around the steel wire, and the purity of the copper wires is over 99.9 percent; the diameter of the steel wire is 0.246-0.25 mm, and the diameter of the copper wire is 0.146-0.15 mm; the insulating layer is made of fluoroplastic, and the outer surface of the insulating layer is round and smooth and has concentricity of more than 70%. The utility model has the advantages of greatly improving the strength of the electric wire under the condition of ensuring the electric performance, and also has stronger high temperature resistance, wear resistance and other performances, thereby ensuring the use safety and stability of the electric wire.
Description
[ field of technology ]
The utility model relates to a high-temperature-resistant small-section automobile wire with a reinforcing structure.
[ background Art ]
The automobile wire harness is connected with a power supply and all electric parts on the automobile and is responsible for information transmission among all electric appliances of the whole automobile, and the electric wire is the core of the electric wire harness. With the improvement of comprehensive performance requirements of people on automobiles, electric appliances on automobiles are also developed towards diversification, automobile wire harnesses are also becoming more and more complex, more intelligent systems are applied to automobiles, and output interfaces of the intelligent controllers provide higher requirements on electric wire design and assembly of the automobiles.
At present, the smaller and lighter lead not only can reduce the cost, but also can reduce the weight of the whole automobile, save the use of materials and reduce the oil consumption of the automobile. The electric wire for automobile is required to have high flame retardancy, tensile properties, heat resistance and the like, but the smaller the wire is, the lower the tensile strength and bending resistance are, for example, the cross-sectional area of the conventional bare copper conductor is 0.22mm 2 The wire of (2) has strength which does not meet the requirement of the drawing force of the automobile wire harness of more than 70N.
Therefore, we have developed a high temperature resistant small section automotive wire with a reinforcing structure for solving the problems of the corresponding technology.
[ utility model ]
The utility model aims to solve the technical problem of providing the high-temperature-resistant small-section automobile wire with the reinforcing structure, which has the advantages of greatly improving the strength of the wire under the condition of ensuring the electrical performance, has stronger high-temperature resistance, wear resistance and other performances, and ensures the use safety and stability of the wire.
The utility model is realized in the following way:
the automobile wire with the high-temperature-resistant small section comprises a reinforcing conductor and an insulating layer, wherein the reinforcing conductor is arranged in the insulating layer, and the pitch diameter ratio of the reinforcing conductor is 20-30; the reinforced conductor is formed by twisting a steel wire and 8 copper wires into a beam, the steel wire is positioned in the center of the reinforced conductor, the 8 copper wires are tightly wrapped around the steel wire, and the purity of the copper wires is over 99.9 percent; the diameter of the steel wire is 0.246-0.25 mm, and the diameter of the copper wire is 0.146-0.15 mm; the insulation layer is made of fluoroplastic, and the outer surface of the insulation layer is round and smooth and has concentricity of more than 70%; the fluoroplastic is FEP, ETFE or PFA.
Further, the cross-sectional area of the reinforcing conductor is 0.22mm 2 。
Further, the outer diameter of the insulating layer is 1.1-1.2mm.
Further, the steel wire is an annealed steel wire, and the copper wire is an annealed copper wire.
Further, the maximum direct current resistance of the automobile wire at 20 ℃ is 170 Ω/km.
The utility model has the advantages that:
the steel wire in the center of the automobile wire conductor greatly enhances the strength of the conductor with a small section, can meet the requirement of the drawing force of an automobile wire harness of more than 70N, enhances the small-amplitude bending resistance to a certain extent, ensures excellent roundness of a product, enhances the strength of the wire under the condition of ensuring the electrical property, ensures the stability of the product in the production process, avoids a series of problems of poor wire surface caused by the conductor problem, and ensures the signal transmission capability with extremely high concentricity. The insulating layer is made of fluoroplastic, so that the whole electric wire has stronger high-temperature resistance, wear resistance and other performances, and the use safety and stability of the electric wire are ensured.
[ description of the drawings ]
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a high temperature resistant small section automotive wire with reinforcement structure according to the present utility model.
[ detailed description ] of the utility model
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings and detailed description. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the utility model relates to a high temperature resistant small-section automobile wire with a reinforcing structure, the automobile wire comprises a reinforcing conductor 1 and an insulating layer 2, the reinforcing conductor 1 is arranged in the insulating layer 2, and the pitch diameter ratio of the reinforcing conductor 1 is 20-30; the reinforced conductor 1 is formed by twisting a steel wire 11 and 8 copper wires 12 into a bundle, the steel wire 11 is positioned in the center of the reinforced conductor 1, the 8 copper wires 12 are tightly wrapped around the steel wire 11, and the purity of the copper wires 12 is over 99.9 percent; the diameter of the steel wire 11 is 0.246-0.25 mm, and the diameter of the copper wire 12 is 0.146-0.15 mm; the insulating layer 2 is made of fluoroplastic, and the outer surface of the insulating layer 2 is round and smooth and has concentricity of more than 70%; the fluoroplastic is FEP, ETFE or PFA.
In a preferred embodiment, the method comprises: the cross-sectional area of the reinforcing conductor 1 is 0.22mm 2 。
In a preferred embodiment, the method comprises: the outer diameter of the insulating layer 2 is 1.1-1.2mm.
In a preferred embodiment, the method comprises: the steel wire 11 is an annealed steel wire, and the copper wire 12 is an annealed copper wire.
In a preferred embodiment, the method comprises: the maximum direct current resistance of the automobile wire at 20 ℃ is 170 omega/km.
In another embodiment of the utility model, the automotive wire product is a conductor having a cross-sectional area of 0.22mm 2 The single-core structure is small, so that the reinforced conductor 1 is made of a steel-cored copper stranded wire, namely an annealed steel wire is adopted in the center, 8 annealed bare copper with the purity of 99.9% is wrapped at the periphery, the steel wire is stranded according to a 1+8 structure, the steel wire is stranded left according to a specific technological parameter, the steel wire 11 is wrapped by the copper wire 12 completely, the surface of the conductor is round, and the purpose of improving the strength of the wire under the condition of ensuring the electric performance is achieved, and the specific parameters are shown in table 1. The outer insulating layer is uniformly extruded fluoroplastic, and the die is a tube drawing die, so that the concentricity is ensured to be more than 70%, and the signal transmission capability of the cable is ensured.
TABLE 1
In conclusion, the steel wire in the center of the automobile wire conductor greatly enhances the strength of the conductor with a small section, can meet the requirement of the drawing force of an automobile wire harness of more than 70N, enhances the small-amplitude bending resistance to a certain extent, ensures excellent roundness of a product, improves the strength of the wire under the condition of ensuring the electrical property, ensures the stability of the product in the production process, avoids a series of problems of poor wire surface caused by the conductor problem, and ensures the signal transmission capability with extremely high concentricity. The insulating layer is made of fluoroplastic, so that the whole electric wire has stronger high-temperature resistance, wear resistance and other performances, and the use safety and stability of the electric wire are ensured.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (5)
1. The utility model provides a high temperature resistant small-section car electric wire with additional strengthening which characterized in that: the automobile wire comprises a reinforcing conductor and an insulating layer, wherein the reinforcing conductor is arranged in the insulating layer, and the pitch diameter ratio of the reinforcing conductor is 20-30; the reinforced conductor is formed by twisting a steel wire and 8 copper wires into a beam, the steel wire is positioned in the center of the reinforced conductor, the 8 copper wires are tightly wrapped around the steel wire, and the purity of the copper wires is over 99.9 percent; the diameter of the steel wire is 0.246-0.25 mm, and the diameter of the copper wire is 0.146-0.15 mm; the insulation layer is made of fluoroplastic, and the outer surface of the insulation layer is round and smooth and has concentricity of more than 70%; the fluoroplastic is FEP, ETFE or PFA.
2. A high temperature resistant small-section automotive wire having a reinforcing structure as set forth in claim 1, wherein: the cross-sectional area of the reinforcing conductor is 0.22mm 2 。
3. A high temperature resistant small-section automotive wire having a reinforcing structure as set forth in claim 1, wherein: the outer diameter of the insulating layer is 1.1-1.2mm.
4. A high temperature resistant small-section automotive wire having a reinforcing structure as set forth in claim 1, wherein: the steel wire is an annealed steel wire, and the copper wire is an annealed copper wire.
5. A high temperature resistant small-section automotive wire having a reinforcing structure as set forth in claim 1, wherein: the maximum direct current resistance of the automobile wire at 20 ℃ is 170 omega/km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153792.7U CN219759239U (en) | 2023-05-12 | 2023-05-12 | High-temperature-resistant small-section automobile wire with reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321153792.7U CN219759239U (en) | 2023-05-12 | 2023-05-12 | High-temperature-resistant small-section automobile wire with reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759239U true CN219759239U (en) | 2023-09-26 |
Family
ID=88072283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321153792.7U Active CN219759239U (en) | 2023-05-12 | 2023-05-12 | High-temperature-resistant small-section automobile wire with reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759239U (en) |
-
2023
- 2023-05-12 CN CN202321153792.7U patent/CN219759239U/en active Active
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