CN219842835U - Coaxial cable - Google Patents
Coaxial cable Download PDFInfo
- Publication number
- CN219842835U CN219842835U CN202320262158.0U CN202320262158U CN219842835U CN 219842835 U CN219842835 U CN 219842835U CN 202320262158 U CN202320262158 U CN 202320262158U CN 219842835 U CN219842835 U CN 219842835U
- Authority
- CN
- China
- Prior art keywords
- coaxial cable
- braiding
- layer
- insulating layer
- inner conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009954 braiding Methods 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 15
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 14
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Communication Cables (AREA)
Abstract
The utility model discloses a coaxial cable, which comprises: the inner conductor, the insulating layer, the braiding layer and the outer sheath are concentrically arranged from inside to outside in sequence, the insulating layer is coated on the outer surface of the inner conductor, the braiding layer is coated on the outer surface of the insulating layer, the outer sheath is coated on the outer surface of the braiding layer, the braiding layer is formed by braiding metal wires made of multi-strand aluminum magnesium alloy materials or formed by braiding mixed braiding of metal wires made of multi-strand aluminum magnesium alloy materials and metal wires made of multi-strand tin-plated copper materials, and the outer sheath is made of TPE-S. Compared with the prior art, the coaxial cable reduces the overall weight of the coaxial cable under the condition that the performance meets the requirements.
Description
Technical Field
The utility model relates to the technical field of vehicle data connection, in particular to a coaxial cable applied to an automobile.
Background
As is well known, coaxial cable is a wire and signal transmission line, generally formed by four layers of material: the innermost part is a conductive wire, the outside of the wire is surrounded by a layer of plastic (used as an insulator and a dielectric medium), the outside of the insulator is provided with a layer of thin conductor, and then the outside of the conductor is provided with an outermost insulating material which is used as a sheath.
In the new energy industry, the endurance mileage of an electric automobile becomes a focus of attention, and the weight of a vehicle body is an important factor affecting the weight of the vehicle body. Along with the continuous development of the automatic driving technology, coaxial cables for transmitting signals on a vehicle body are more and more, the whole weight of a wire harness is also more and more, and the traditional silver-plated copper or tin-plated copper is adopted as a material for weaving an outer conductor in the existing coaxial cable, so that the whole weight of the cable is larger, the cost of the material is increased, and the current technology development needs cannot be met.
Therefore, how to provide a lightweight and high-performance coaxial cable has become a technical problem to be solved.
Disclosure of Invention
The embodiment of the utility model provides a coaxial cable, which is used for reducing the overall weight of the coaxial cable and ensuring the performance to meet the use requirements of the automobile industry.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the coaxial cable is characterized in that an inner conductor, an insulating layer, a braiding layer and an outer sheath are sequentially and concentrically arranged from inside to outside, the insulating layer is coated on the outer surface of the inner conductor, the braiding layer is coated on the outer surface of the insulating layer, the outer sheath is coated on the outer surface of the braiding layer, and the braiding layer is formed by braiding metal wires made of multi-strand aluminum magnesium alloy materials or by mixed braiding of metal wires made of multi-strand aluminum magnesium alloy materials and metal wires made of multi-strand tin-plated copper materials.
Further, the yarn ratio of the aluminum-magnesium alloy metal wires to the tin-plated copper metal wires in the braiding layer is 1:1.
Further, the braid is net-shaped, and the shielding rate of the braid coated on the outer surface of the insulating layer is equal to or greater than 85%.
Further, the thickness of the tin plating layer in the tin-plated copper is 3-10 mu m, and the volume ratio of the copper layer is 10-20%.
Further, the inner conductor is formed by twisting a plurality of core wires, and the core wires are made of bare copper clad steel.
Further, the diameter of the inner conductor is 0.45 mm-1.25 mm, and the diameter of the coaxial cable is 2.4 mm-4.8 mm.
Further, the outer sheath is made of TPE-S.
The utility model has the beneficial effects that: the braided layer is formed by braiding a plurality of strands of aluminum magnesium alloy and/or tinned copper metal wires, so that the overall weight of the coaxial cable is reduced, and the performance is ensured to meet the use requirements of the automobile industry.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
The figure indicates:
an inner conductor-1, an insulating layer-2, a braiding layer-3 and an outer sheath-4.
Detailed Description
The coaxial cable solves the technical problem that the whole weight of the coaxial cable in the prior art is large by providing the coaxial cable.
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
As shown in fig. 1, an embodiment of the present utility model is:
the coaxial cable is characterized in that an inner conductor 1, an insulating layer 2, a braiding layer 3 and an outer jacket 4 are sequentially and concentrically arranged from inside to outside, the insulating layer 2 is coated on the outer surface of the inner conductor 1, the braiding layer 3 is coated on the outer surface of the insulating layer 2, the outer jacket 4 is coated on the outer surface of the braiding layer 3, and the braiding layer 3 is formed by braiding a plurality of wires made of aluminum magnesium alloy materials or by mixed braiding of a plurality of wires made of aluminum magnesium alloy materials and a plurality of wires made of tin-plated copper materials.
Further, the yarn ratio of the aluminum-magnesium alloy metal wires to the tin-plated copper metal wires in the braiding layer 3 is 1:1.
Further, the braid 3 is mesh-shaped, and the shielding rate of the braid coated on the outer surface of the insulating layer is equal to or greater than 85%.
Further, the thickness of the tin plating layer in the tin-plated copper is 3-10 mu m, and the volume ratio of the copper layer is 10-20%.
Further, the inner conductor 1 is formed by twisting a plurality of core wires, and the core wires are made of bare copper clad steel.
Further, the diameter of the inner conductor 1 is 0.45 mm-1.25 mm, and the diameter of the coaxial cable is 2.4 mm-4.8 mm.
Further, the outer sheath 4 is made of TPE-S.
The following details the implementation effect of the coaxial cable provided by the present utility model by two embodiments:
embodiment one: the inner conductor 1 in this example was 7 bare copper-clad steel conductors, and the diameter of the inner conductor 1 was selected to be 0.160mm, and the stranded outer diameter was selected to be 0.48mm. The insulating layer 2 in this embodiment is made of PP, and the thickness of the insulating layer 2 is 0.52mm. The braid 3 in this embodiment is formed by braiding a plurality of wires made of aluminum magnesium alloy and a plurality of wires made of tin-plated copper, and the outer sheath 4 in this embodiment is made of TPE-S. As a preferred embodiment, the yarn ratio of the aluminum-magnesium alloy metal wires and the tin-plated copper metal wires in the braiding layer 3 is 1:1.
The coaxial cable prepared in the first embodiment is subjected to performance test, and the weight of the coaxial cable is reduced by 29.4% compared with the weight of the cable which adopts tinned copper as the braiding layer only under the same inner and outer diameter dimensions.
Embodiment two: the inner conductor 1 in this example was 7 bare copper-clad steel conductors, and the diameter of the inner conductor 1 was selected to be 0.160mm, and the stranded outer diameter was selected to be 0.48mm. The insulating layer 2 in this embodiment is made of PP, and the thickness of the insulating layer 2 is 0.52mm. The braiding layer 3 in this embodiment is formed by braiding 16 strands of metal wires made of aluminum magnesium alloy, and the outer sheath 4 in this embodiment is made of TPE-S.
The coaxial cable prepared in the second embodiment is subjected to performance test, and the weight of the coaxial cable is reduced by 39.7% compared with the weight of the cable which adopts tinned copper as the braiding layer only under the same inner and outer diameter dimensions.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. The coaxial cable is characterized in that an inner conductor, an insulating layer, a braiding layer and an outer sheath are concentrically arranged in sequence from inside to outside, the insulating layer is coated on the outer surface of the inner conductor, the braiding layer is coated on the outer surface of the insulating layer, the outer sheath is coated on the outer surface of the braiding layer, and the braiding layer is formed by braiding a plurality of wires made of aluminum magnesium alloy materials or by mixed braiding of a plurality of wires made of aluminum magnesium alloy materials and a plurality of wires made of tin-plated copper materials.
2. The coaxial cable of claim 1, wherein the strand ratio of aluminum magnesium alloy wire to tin-plated copper wire in the braid is 1:1.
3. The coaxial cable of claim 2, wherein the braid is mesh-like and has a shielding rate of > 85% over the outer surface of the insulating layer.
4. A coaxial cable according to claim 3, wherein the tin-plated layer of tin-plated copper has a thickness of 3 μm to 10 μm and the volume ratio of the copper layer is 10% to 20%.
5. The coaxial cable of claim 4, wherein the inner conductor is formed by stranding a plurality of core wires, the core wires being bare copper clad steel.
6. The coaxial cable of claim 5, wherein the diameter of the inner conductor is 0.45mm to 1.25mm and the diameter of the coaxial cable is 2.4mm to 4.8mm.
7. The coaxial cable of any of claims 1-6, wherein the outer jacket is TPE-S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320262158.0U CN219842835U (en) | 2023-02-21 | 2023-02-21 | Coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320262158.0U CN219842835U (en) | 2023-02-21 | 2023-02-21 | Coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842835U true CN219842835U (en) | 2023-10-17 |
Family
ID=88297988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320262158.0U Active CN219842835U (en) | 2023-02-21 | 2023-02-21 | Coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842835U (en) |
-
2023
- 2023-02-21 CN CN202320262158.0U patent/CN219842835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2008287948A (en) | Shield twisted-pair cable | |
| CN213844790U (en) | Ultra-light anti-interference multi-core shielding control cable | |
| US3264404A (en) | Power transmission cable | |
| CN101752034A (en) | Coaxial cable and multi-core coaxial cable | |
| CN219842835U (en) | Coaxial cable | |
| CN110277196B (en) | Ultra-high-speed data transmission cable and manufacturing process thereof | |
| CN200969242Y (en) | Electric wire and cable for railroad vehicle | |
| CN210956275U (en) | High-speed data transmission cable for automobile | |
| JP2001195924A (en) | Two cores parallel shielded cable and flat shielded cable | |
| CN2847464Y (en) | Low smoke halogen-free low poisonous rolling stock cable for rail transit | |
| CN211427863U (en) | Electric wire and cable | |
| CN214624544U (en) | Flat multi-pair high-speed data transmission line | |
| CN201845607U (en) | Tinned copper coated aluminum-magnesium communication PCM (pulse code modulation) junction cable | |
| CN209980848U (en) | Superspeed data transmission cable | |
| CN103390453A (en) | Light anti-jamming cable and preparation method thereof | |
| CN218274031U (en) | Automobile electric wire with combined shielding embedded ground wire structure | |
| CN201369192Y (en) | Offshore low-smoke zero-halogen slurry-resistant power cable | |
| CN218471604U (en) | Cross-linked polyolefin insulated coaxial cable for road vehicles | |
| CN219658447U (en) | Novel low-crosstalk high-frequency LVDS cable for vehicle | |
| CN220913947U (en) | Special instrument cable for light thin-wall aircraft | |
| CN205487437U (en) | Second propylene jacketed cable of high temperature resistant armor of fire control | |
| CN219832276U (en) | Tinned copper conductor with ultrahigh tensile strength | |
| CN219759268U (en) | Durable VGA video cable capable of preventing signal crosstalk | |
| CN216849352U (en) | Automobile 25Gbps high-speed transmission Ethernet cable | |
| CN219642577U (en) | High-strength ultra-low loss light data transmission cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |