CN111540528A

CN111540528A - Liquid cooling cable for high-power charging

Info

Publication number: CN111540528A
Application number: CN202010518641.1A
Authority: CN
Inventors: 韩克强; 徐亚涛
Original assignee: Ryanda Photoelectric Technology Co ltd
Current assignee: Ryanda Photoelectric Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-08-14

Abstract

The invention provides a liquid cooling cable for high-power charging, which comprises a cable core and a sheath wrapped outside the cable core, wherein the cable core comprises a first power lead, a second power lead, a grounding lead, a first PU plastic pipe and a plurality of control leads; the first power wire and the second power wire are arranged in parallel in the sheath, and a gap is reserved between the first power wire and the second power wire; the grounding lead is arranged on one side of the first power lead and one side of the second power lead and is parallel to the first power lead; the first PU plastic pipe is arranged on the other side of the first power lead and the second power lead and is parallel to the first power lead; the plurality of control wires are arranged in gaps among the first power wire, the second power wire, the grounding wire, the first PU plastic pipe and the sheath, and the control wires are parallel to the first power wire. The invention can cool the cable in the charging process, thereby reducing the potential safety hazard and greatly improving the charging speed.

Description

Liquid cooling cable for high-power charging

Technical Field

The invention relates to the technical field of cables, in particular to a liquid cooling cable for high-power charging.

Background

With continuous consumption of petroleum resources, new energy resources quickly occupy the market, pollution and cost of an electric vehicle matched with the new energy resources are reduced, but the electric vehicle needs to be charged after running for a period of time, but the charging time is longer than the refueling time of a fuel vehicle, so that the problem of mileage anxiety is caused, the cable generates heat if the charging time is too long, and potential safety hazards such as fire disasters exist.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a liquid cooling cable for high-power charging.

The invention provides a liquid cooling cable for high-power charging, which comprises a cable core and a sheath wrapped outside the cable core, wherein the cable core comprises a first power lead, a second power lead, a grounding lead, a first PU plastic pipe and a plurality of control leads; the first power wire and the second power wire are arranged in parallel in the sheath, and a gap is reserved between the first power wire and the second power wire; the grounding lead is arranged on one side of the first power lead and one side of the second power lead and is parallel to the first power lead; the first PU plastic pipe is arranged on the other side of the first power lead and the second power lead and is parallel to the first power lead; the plurality of control wires are arranged in gaps among the first power wire, the second power wire, the grounding wire, the first PU plastic pipe and the sheath, and the control wires are parallel to the first power wire.

Preferably, the first power line conductor includes a first conductor and a second PU plastic tube wrapped around the outside of the first conductor.

Preferably, the second power lead includes a second conductor and a third PU plastic tube wrapped around the outside of the second conductor.

Preferably, the ground lead comprises a third conductor and a polyester film layer wrapped outside the third conductor.

Preferably, four control wires are provided, two of the four control wires are positioned on two sides of the grounding wire, the other two control wires are positioned on two sides of the first PU plastic pipe, each control wire comprises a fourth conductor, and a plurality of groups of anti-drawing wires are arranged outside the fourth conductor.

Preferably, the sheath is made of a TPE material.

According to the liquid cooling cable for high-power charging, due to the fact that the first PU plastic pipe, the second PU plastic pipe and the third PU plastic pipe are arranged inside the cable, in the using process, insulating oil is injected into the cable through the first PU plastic pipe, and continuous cooling circulation is conducted on the insulating oil, the second PU plastic pipe and the third PU plastic pipe, and cable cooling is achieved. The invention can cool the cable in the charging process, thereby reducing the potential safety hazard and greatly improving the charging speed.

Drawings

Fig. 1 is a schematic structural diagram of a liquid cooling cable for high power charging according to the present invention.

Detailed Description

Referring to fig. 1, the invention provides a liquid cooling cable for high-power charging, comprising a cable core and a sheath 1 wrapped outside the cable core, wherein:

the cable core comprises a first power wire 2, a second power wire 3, a grounding wire 4, a first PU plastic pipe 5 and a plurality of control wires 6.

The first power lead 2 and the second power lead 3 are arranged in parallel in the sheath 1, and a gap is left between the first power lead 2 and the second power lead 3. Specifically, the first power wire 2 includes a first conductor 21 and a second PU plastic tube 22 wrapped around the outside of the first conductor 21. Specifically, the second power line 3 includes a second conductor 31 and a third PU plastic tube 32 wrapped around the outside of the second conductor 31.

The ground conductor 4 is disposed on the first power conductor 2 and the second power conductor 3 side and in parallel with the first power conductor 2. Specifically, the ground lead 4 includes a third conductor 41 and a polyester film 42 wrapped around the third conductor 41.

The first PU plastic pipe 5 is arranged at the other side of the first power lead 2 and the second power lead 3 and is parallel to the first power lead 2.

A plurality of control wires 6 are disposed in the gaps between the first power wire 2, the second power wire 3, the ground wire 4, the first PU plastic tube 5 and the sheath 1 and the control wires 6 are parallel to the first power wire 2. Specifically, four control wires 6 are provided, two of the control wires are positioned on two sides of the grounding wire 4, the other two control wires are positioned on two sides of the first PU plastic pipe 5, the control wires 6 comprise fourth conductors 61, and a plurality of groups of anti-drawing wires 62 are arranged outside the fourth conductors 61.

In this embodiment, the sheath 1 is made of TPE material.

In the cable provided by the invention, because the first PU plastic pipe 5, the second PU plastic pipe 22 and the third PU plastic pipe 32 are arranged in the cable, in the using process,insulating oil is injected into the cable through the first PU plastic pipe 5, and the cable is cooled down through continuous cooling circulation with the second PU plastic pipe 22 and the third PU plastic pipe 32. The common cable is 35mm²For example, 125A current can be passed at the maximum, the temperature rise of the cable can reach about 45K, and the cable of the invention has the length of 35mm²For example, the maximum current of 600A can be passed, and the temperature rise of the cable can reach about 35K, so that the cable disclosed by the invention can be used for reducing potential safety hazards caused by overhigh temperature, and the charging speed can be greatly increased.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A liquid cooling cable for high-power charging is characterized by comprising a cable core and a sheath (1) wrapped outside the cable core, wherein the cable core comprises a first power lead (2), a second power lead (3), a grounding lead (4), a first PU plastic pipe (5) and a plurality of control leads (6); the first power lead (2) and the second power lead (3) are arranged in the sheath (1) in parallel, and a gap is reserved between the first power lead (2) and the second power lead (3); the grounding lead (4) is arranged on one side of the first power lead (2) and one side of the second power lead (3) and is parallel to the first power lead (2); the first PU plastic pipe (5) is arranged on the other sides of the first power lead (2) and the second power lead (3) and is parallel to the first power lead (2); a plurality of control wires (6) are arranged in gaps among the first power wire (2), the second power wire (3), the grounding wire (4), the first PU plastic pipe (5) and the sheath (1), and the control wires (6) are parallel to the first power wire (2).

2. Liquid-cooled cable for high power charging according to claim 1, characterised in that the first power conductor (2) comprises a first conductor (21) and a second PU plastic tube (22) wrapped outside the first conductor (21).

3. Liquid-cooled cable for high power charging according to claim 1, characterised in that the second power conductor (3) comprises a second conductor (31) and a third PU plastic tube (32) wrapped outside the second conductor (31).

4. A liquid cooled cable for high power charging according to any of claims 1-3, characterised in that the earth conductor (4) comprises a third conductor (41) and a polyester film layer (42) wrapped outside the third conductor (41).

5. Liquid-cooled cable for high power charging according to any of claims 1-3, characterized in that there are four control wires (6), two of them located on both sides of the earth wire (4) and the other two located on both sides of the first PU plastic tube (5), the control wires (6) comprise a fourth conductor (61), and the outside of the fourth conductor (61) is provided with a plurality of groups of anti-stringing wires (62).

6. Liquid cooled cable for high power charging according to any of claims 1-3, characterised in that the sheath (1) is made of TPE material.