CN223245309U - High-low voltage composite cable - Google Patents
High-low voltage composite cableInfo
- Publication number
- CN223245309U CN223245309U CN202420686946.7U CN202420686946U CN223245309U CN 223245309 U CN223245309 U CN 223245309U CN 202420686946 U CN202420686946 U CN 202420686946U CN 223245309 U CN223245309 U CN 223245309U
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- voltage
- low
- conductor
- low voltage
- composite cable
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Abstract
本实用新型公开一种高低压复合电缆，包括：高压导体、低压导线和绝缘层，所述高压导体为呈扁平状的铜排或铝排，所述绝缘层包覆于高压导体外侧，所述高压导体内部开设有至少一个孔洞，沿高压导体的长度方向延伸的所述孔洞贯穿高压导体两端的端面，若干根所述低压导线各自均穿入孔洞内。本实用新型实现了对高低压线缆的有机复合，便于安装敷设且减小了所需的敷设空间，又可以提高生产的效率，还可以满足精简结构与轻量化设计的基础上为低压线缆提供良好的防护，提高整体传输的稳定性。
The utility model discloses a high-low voltage composite cable, comprising: a high-voltage conductor, a low-voltage conductor, and an insulation layer. The high-voltage conductor is a flat copper or aluminum busbar. The insulation layer is coated on the outside of the high-voltage conductor. The high-voltage conductor has at least one hole formed therein. The hole extends along the length of the high-voltage conductor and penetrates the end faces of both ends of the high-voltage conductor. A plurality of low-voltage conductors are inserted into each hole. The utility model realizes the organic combination of high and low voltage cables, facilitates installation and installation, reduces the required installation space, improves production efficiency, and provides good protection for the low-voltage cable on the basis of a streamlined structure and lightweight design, thereby improving the stability of overall transmission.
Description
Technical Field
The utility model relates to the technical field of new energy automobile cables, in particular to a high-low voltage composite cable.
Background
The new energy automobile adopts unconventional automobile fuel as power source or conventional automobile fuel and adopts novel automobile-mounted power device, and is an automobile with advanced technical principle, novel technology and novel structure. The high-voltage wire and the low-voltage wire used by the existing new energy automobile belong to two different systems, and are required to be produced, installed and laid respectively, so that the space occupied by laying is large and the production efficiency is low.
Disclosure of utility model
The utility model aims to provide a high-low voltage composite cable which realizes the organic composite of the high-low voltage cable, is convenient to install and lay, reduces the required laying space, can improve the production efficiency, can provide good protection for the low voltage cable on the basis of meeting the simplified structure and the lightweight design, and improves the stability of integral transmission.
The high-low voltage composite cable comprises a high-voltage conductor, low-voltage wires and an insulating layer, wherein the high-voltage conductor is a flat copper bar or an aluminum bar, the insulating layer is coated on the outer side of the high-voltage conductor, at least one hole is formed in the high-voltage conductor, the holes extending along the length direction of the high-voltage conductor penetrate through the end faces of two ends of the high-voltage conductor, and a plurality of low-voltage wires penetrate into the holes respectively.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, each low-voltage wire comprises a central conductor and a low-voltage insulating layer coated on the outer side of the central conductor.
2. In the scheme, the central conductor is formed by twisting a plurality of strand conductors.
3. In the scheme, the central conductor is formed by twisting a plurality of copper wires or tinned copper wires.
4. In the above scheme, the holes are round holes or square holes.
5. In the scheme, 1 hole is arranged at one end of the end face of the central conductor, and 2-6 low-voltage wires penetrate into the holes.
6. In the scheme, 2 holes are respectively formed in two ends of the end face of the central conductor, and 2-6 low-voltage wires penetrate into each hole.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
According to the high-low voltage composite cable, the high-voltage conductor is a flat copper bar or aluminum bar, the insulating layer is coated on the outer side of the high-voltage conductor, at least one hole is formed in the high-voltage conductor, the holes extending along the length direction of the high-voltage conductor penetrate through the end faces of the two ends of the high-voltage conductor, and a plurality of low-voltage wires penetrate into the holes respectively, so that the high-low voltage cable is organically composited, the installation and the laying are facilitated, the required laying space is reduced, the production efficiency is improved, good protection is provided for the low-voltage cable on the basis of a simplified structure and a lightweight design, and the overall transmission stability is improved.
Drawings
FIG. 1 is a schematic view of a first embodiment of a high-low voltage composite cable according to the present utility model;
FIG. 2 is a schematic structural diagram of a second embodiment of the high-low voltage composite cable of the present utility model;
Fig. 3 is an enlarged schematic view of the utility model at a in fig. 2.
In the drawings, 1, a high-voltage conductor, 2, an insulating layer, 3, a hole, 4, a low-voltage wire, 41, a central conductor and 42, and a low-voltage insulating layer.
Detailed Description
The present patent will be further understood by the specific examples given below, which are not intended to be limiting.
The embodiment 1 of the high-low voltage composite cable comprises a high-voltage conductor 1, a low-voltage lead 4 and an insulating layer 2, wherein the high-voltage conductor 1 is a flat copper bar, the insulating layer 2 is coated on the outer side of the high-voltage conductor 1, at least one hole 3 is formed in the high-voltage conductor 1, the holes 3 extending along the length direction of the high-voltage conductor 1 penetrate through the end surfaces of two ends of the high-voltage conductor 1, and a plurality of low-voltage leads 4 respectively penetrate into the holes 3;
The center conductor of the patent adopts the flat copper bars, and can be bent according to the actual laying scene, thereby being convenient for installation and laying and reducing the required laying space;
After bending is completed, the low-voltage lead is penetrated through the hole on the central conductor, then stamping and shaping are carried out on the side with the hole when processing is carried out, subsequent screwing or ultrasonic welding is carried out, the organic compounding of the high-voltage cable and the low-voltage cable is realized, good protection is provided for the low-voltage cable through the hole, and the stability of integral transmission is improved.
Each of the low-voltage wires 4 includes a center conductor 41 and a low-voltage insulating layer 42 covering the outside of the center conductor 41.
The center conductor 41 is formed by twisting a plurality of strand conductors.
The holes 3 are square holes.
1 Hole 3 is disposed at one end of the end face of the central conductor 41, and 3 low-voltage wires 4 are inserted into the hole 3.
The insulating layer 2 and the low-voltage insulating layer 42 are both polyolefin XLPO insulating layers;
The novel low-smoke halogen-free cross-linked polyolefin material with the temperature resistance grade of 150 ℃ is adopted, the hardness is 80+/-2A, the elongation at break is more than 400%, the tensile strength is more than 12MPa, the paint-dipping solvent resistance, the high-temperature bending cracking resistance, the high-temperature pressure resistance and the product breakdown voltage resistance are improved.
The thickness of each of the insulating layer 2 and the low-voltage insulating layer 42 was 10mm.
The embodiment 2 of the high-low voltage composite cable comprises a high-voltage conductor 1, a low-voltage lead 4 and an insulating layer 2, wherein the high-voltage conductor 1 is a flat aluminum row, the insulating layer 2 is coated on the outer side of the high-voltage conductor 1, at least one hole 3 is formed in the high-voltage conductor 1, the holes 3 extending along the length direction of the high-voltage conductor 1 penetrate through the end surfaces of two ends of the high-voltage conductor 1, and a plurality of low-voltage leads 4 respectively penetrate into the holes 3;
the center conductor of the aluminum strip bending device is flat aluminum strips, can be bent according to actual laying scenes, is convenient to install and lay, reduces required laying space, and can meet the requirements of simplified structure and light-weight design.
Each of the low-voltage wires 4 includes a center conductor 41 and a low-voltage insulating layer 42 covering the outside of the center conductor 41.
The center conductor 41 is formed by twisting a plurality of copper wires.
The hole 3 is a circular hole.
The 2 holes 3 are respectively arranged at two ends of the end face of the central conductor 41, and 5 low-voltage wires 4 penetrate into each hole 3.
The insulating layer 2 and the low-voltage insulating layer 42 are nylon PA12 insulating layers;
The nylon PA12 material or the polyolefin XLPO material is adopted, wherein the adopted nylon PA12 material has the advantages of alkali resistance, oil resistance, ferment, inorganic diluent acid, aromatic hydrocarbon and the like, has good mechanical and chemical stability of impact resistance, is also a good electric insulator, and does not influence the insulating property due to moisture as other polyamides.
The thickness of each of the insulating layer 2 and the low-voltage insulating layer 42 was 7mm.
Further explanation of the embodiments:
The center conductor of the high-low voltage composite cable adopts the flat copper bars or aluminum bars, and can be bent according to the actual laying scene, so that the installation and the laying are convenient, the required laying space is reduced, and the simplified structure and the light-weight design can be met;
After bending is finished, the low-voltage lead is penetrated through a hole on the central conductor, then the punched side is punched and shaped during processing, and subsequent screwing or ultrasonic welding is carried out, so that the organic combination of the high-voltage cable and the low-voltage cable is realized, good protection is provided for the low-voltage cable through the hole, and the stability of integral transmission is improved;
The insulating layer is made of nylon PA12 material or polyolefin XLPO material, wherein the nylon PA12 material has the advantages of alkali resistance, oil resistance, ferment, inorganic dilute acid, aromatic hydrocarbon and the like, has good mechanical stability of impact resistance, is also a good electric insulator, can not influence insulating performance due to moisture as other polyamides, adopts novel low smoke halogen-free crosslinked polyolefin material with the temperature resistance grade of 150 ℃, has the hardness of 80+/-2A, the elongation at break of more than 400 percent, the tensile strength of more than 12MPa, has the performances of impregnating varnish resistance, high-temperature bending cracking resistance, good high-temperature pressure performance and improves the breakdown voltage resistance of products.
When adopting above-mentioned high low pressure composite cable, it has realized the organic complex to high low pressure cable, and the installation of being convenient for lays and has reduced required laying space, can improve the efficiency of production again, can also satisfy and provide good protection for low pressure cable on simplifying structure and the basis of lightweight design, improves the stability of whole transmission.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (7)
1. The high-low voltage composite cable comprises a high-voltage conductor (1), low-voltage wires (4) and an insulating layer (2), and is characterized in that the high-voltage conductor (1) is a flat copper bar or an aluminum bar, the insulating layer (2) is coated on the outer side of the high-voltage conductor (1), at least one hole (3) is formed in the high-voltage conductor (1), the holes (3) extending along the length direction of the high-voltage conductor (1) penetrate through the end faces of two ends of the high-voltage conductor (1), and a plurality of low-voltage wires (4) penetrate into the holes (3) respectively.
2. The high-low voltage composite cable according to claim 1, wherein each low voltage wire (4) comprises a central conductor (41) and a low voltage insulating layer (42) coated on the outer side of the central conductor (41).
3. The high-low voltage composite cable according to claim 2, wherein the central conductor (41) is stranded from a plurality of strand conductors.
4. The high-low voltage composite cable according to claim 2, wherein the central conductor (41) is formed by twisting a plurality of copper wires or tinned copper wires.
5. The high-low voltage composite cable according to claim 1, wherein the holes (3) are circular holes or square holes.
6. The high-low voltage composite cable according to claim 1, wherein 1 hole (3) is arranged at one end of the end face of the central conductor (41), and 2-6 low voltage wires (4) penetrate into the holes (3).
7. The high-low voltage composite cable according to claim 1, wherein 2 holes (3) are respectively arranged at two ends of the end face of the central conductor (41), and 2-6 low voltage wires (4) penetrate into each hole (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420686946.7U CN223245309U (en) | 2024-04-07 | 2024-04-07 | High-low voltage composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420686946.7U CN223245309U (en) | 2024-04-07 | 2024-04-07 | High-low voltage composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223245309U true CN223245309U (en) | 2025-08-19 |
Family
ID=96727830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420686946.7U Active CN223245309U (en) | 2024-04-07 | 2024-04-07 | High-low voltage composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223245309U (en) |
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2024
- 2024-04-07 CN CN202420686946.7U patent/CN223245309U/en active Active
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