CN219040105U

CN219040105U - Liquid cooling charging cable for electric automobile

Info

Publication number: CN219040105U
Application number: CN202223243492.6U
Authority: CN
Inventors: 叶江星; 杨勇; 叶胜; 曹连生
Original assignee: Huizhou Desan Wire Co ltd
Current assignee: Huizhou Desan Wire Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-16
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a liquid cooling charging cable for an electric automobile, which comprises an outer sheath and an outer shielding layer, wherein the outer sheath is used for coating the outer shielding layer, four groups of signal wires, four groups of DC wires and a ground wire are coated in the outer shielding layer, wherein the first group of signal wires and the second group of signal wires are respectively composed of three mutually twisted electronic wires and a first inner shielding layer sleeved on the periphery of the three-stranded wire cable, the third group of signal wires are composed of two mutually twisted electronic wires, the fourth group of signal wires are composed of two mutually twisted electronic wires and a second inner shielding layer sleeved on the periphery of the twisted wire, and fillers are arranged in the second inner shielding layer and the outer shielding layer. The utility model has the advantages of simple structure, reasonable design, convenient processing, low production cost, small diameter and light weight, good electrical property, fireproof property and mechanical property, strong structural stability, good shielding effect and long service life, and can meet the use requirements of users.

Description

Liquid cooling charging cable for electric automobile

Technical Field

The utility model relates to the technical field of wires and cables, in particular to a liquid cooling charging cable for an electric automobile.

Background

With the sustainable development of society, new energy electric vehicles become a necessary choice for the sustainable development of the world automobile industry, and have wide market prospects, while most electric vehicles are slower in charging speed and can be fully charged in a few hours, so that more and more users adopt liquid cooling charging cables in order to improve charging efficiency.

At present, the existing liquid cooling charging cable is usually and directly used for carrying out shielding on wires by simple aluminum foil wheat in the production process, the shielding effect is poor, the transmission efficiency is affected, the wire structure is not firm enough, meanwhile, the cable core is easy to extrude in the production process, the product quality is not guaranteed, the service life is affected, and the use requirement of the market cannot be met.

Disclosure of Invention

In view of the above, it is necessary to provide a liquid-cooled charging cable for an electric vehicle, which solves the problems of the prior art.

The utility model provides a liquid cooling charging cable for electric automobile, includes oversheath and outer shielding layer, the oversheath cladding the outer shielding layer, the cladding has four sets of signal lines, four sets of DC lines and ground wire in the outer shielding layer, and wherein, first set of signal line and second set of signal line comprise three mutually stranded electron line and the cover is established at this three wire cable outlying first inner shielding layer respectively, and the third set of signal line comprises two mutually stranded electron lines, and the fourth set of signal line comprises two mutually stranded electron lines and the cover is established at this two wire cable outlying second inner shielding layer, just in the second inner shielding layer with all be equipped with the filler in the outer shielding layer.

In one embodiment, the first inner shield and the second inner shield are both copper wire braided shields.

In one embodiment, the outer shielding layer includes a graphene shielding tape and a transparent mylar tape wound around the periphery of the graphene shielding tape.

In one embodiment, each set of the DC lines includes a liquid-cooled tube, a first conductor, and a first insulating layer surrounding the first conductor, the first conductor being wound around the liquid-cooled tube.

In one embodiment, the liquid cooling tube is made of teflon material, and the diameter of the liquid cooling tube is 6.0mm plus or minus 0.1mm.

In one embodiment, the ground wire comprises a second conductor and a second insulating layer, the second insulating layer coats the second conductor, and the first conductor and the second conductor are both oxygen-free copper.

In one embodiment, the electron beam includes an alloy conductor and a third insulating layer covering the alloy conductor; wherein the diameter of the alloy conductor is 0.10mm plus or minus 0.02mm.

In one embodiment, the first insulating layer, the second insulating layer, and the third insulating layer are made of XLPE material.

In one embodiment, the outer jacket is made of TPU material.

In one embodiment, the filler is cotton thread, nylon rope or PP rope.

Above-mentioned liquid cooling charging cable for electric automobile, simple structure, reasonable in design, the processing of being convenient for, low in production cost not only has the characteristics that the diameter is little and the quality is light, still has good electric property, fire behavior and mechanical properties simultaneously, and the structural stability of this cable is stronger, and shielding effect is good, long service life can satisfy user's user demand.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a liquid-cooled charging cable for an electric vehicle according to the present utility model;

fig. 2 is a schematic structural diagram of a first group of signal wires of a liquid-cooled charging cable for an electric vehicle according to the present utility model;

FIG. 3 is a schematic diagram of a fourth set of signal lines of a liquid-cooled charging cable for an electric vehicle according to the present utility model;

fig. 4 is a schematic diagram of a DC line structure of a liquid-cooled charging cable for an electric vehicle according to the present utility model.

The cable comprises 100 parts of an outer sheath, 200 parts of an outer shielding layer, 300 parts of a DC cable, 310 parts of a liquid cooling pipe, 320 parts of a first conductor, 330 parts of a first insulating layer, 410 parts of a first group of signal wires, 411 parts of a first inner shielding layer, 420 parts of a second group of signal wires, 430 parts of a third group of signal wires, 440 parts of a fourth group of signal wires, 441 parts of a second inner shielding layer, 500 parts of a ground wire, 510 parts of a second conductor, 520 parts of a second insulating layer, 600 parts of an electronic wire, 610 parts of an alloy conductor, 620 parts of a third insulating layer, 700 parts of a filler.

Detailed Description

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 present 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 of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, a liquid cooling charging cable for an electric automobile includes an outer sheath 100 and an outer shielding layer 200, the outer sheath 100 covers the outer shielding layer 200, four sets of signal wires, four sets of DC wires 300 and a ground wire 500 are covered in the outer shielding layer 200, wherein a first set of signal wires 410 and a second set of signal wires 420 respectively consist of three mutually twisted electronic wires 600 and a first inner shielding layer 411 sleeved on the periphery of the three-twisted cable, a third set of signal wires 430 consists of two mutually twisted electronic wires 600, a fourth set of signal wires 440 consists of two mutually twisted electronic wires 600 and a second inner shielding layer 441 sleeved on the periphery of the twisted cable, and fillers 700 are respectively arranged in the second inner shielding layer 441 and the outer shielding layer 200. The filler 700 can round the cable, has a firm structure, is beneficial to prolonging the service life of the cable and ensures the transmission efficiency.

Further, the first inner shielding layer 411 and the second inner shielding layer 441 are copper wire braided shielding layers, and the copper wire braided shielding layers are adopted, so that the shielding effect is enhanced, and the anti-interference capability is high and the safety performance is high.

Further, the outer shielding layer 200 includes a graphene shielding tape and a transparent mylar tape, the transparent mylar tape is wound around the periphery of the graphene shielding tape, which is favorable for enhancing the shielding effect, and the transparent mylar tape can play a protective role on the graphene shielding tape.

Further, each set of the DC lines 300 includes a liquid-cooled tube 310, a first conductor 320, and a first insulating layer 330, the first insulating layer 330 covering the first conductor 320, and the first conductor 320 is wound around the liquid-cooled tube 310. In the present utility model, the first conductor 320 is twisted around the liquid cooling tube 310 to form a circle, and the liquid cooling tube 310 is added with the circulating cooling liquid during charging, so that the problem of heating of the high-current conductor is solved under the condition of reducing the copper cross-sectional area, and the heat dissipation performance can be effectively improved, thereby improving the current carrying capacity. In addition, the liquid cooling tube 310 is made of teflon material, and the diameter of the liquid cooling tube is 6.0mm±0.1mm, so that the purpose of the liquid cooling tube is to enhance the performances of flame retardance, corrosion resistance, bending resistance, high temperature resistance and the like of the liquid cooling tube 310, and prolong the service life.

Further, the ground wire 500 includes a second conductor 510 and a second insulating layer 520, the second conductor 510 is covered by the second insulating layer 520, and the first conductor 320 and the second conductor 510 are both made of oxygen-free copper.

Still further, the electron beam 600 includes an alloy conductor 610 and a third insulating layer 620, and the third insulating layer 620 covers the alloy conductor 610; in the present utility model, by reasonably arranging the alloy conductor 610, the bending resistance of the product can be enhanced, and the phenomenon that the signal line conductor breaks after frequent use of the product is prevented, thereby affecting the use of the user.

In addition, in order to improve the safety and the service life of the cable, the first insulating layer 330, the second insulating layer 520 and the third insulating layer 620 are made of XLPE materials, and the insulating layer made of XLPE materials has the characteristics of high tensile strength, high elongation and the like, and also has good heat resistance, weather resistance and aging resistance, thereby being beneficial to prolonging the service life.

In addition, in the production process, the TPU material is extruded on the surface of a semi-finished product by the aid of a high-speed extruder at the outermost layer of the cable, and the TPU material is cooled and fixed and molded through a low-temperature water tank to form the outer sheath 100, so that the outer sheath 100 has good wear resistance and weather resistance, has a flame retardant effect, can play a certain role in preventing fire, and is beneficial to improving the safety performance of the cable.

It should be further noted that the filler 700 is cotton thread, nylon rope or PP rope. In this embodiment, the filler 700 is a cotton thread, so as to improve the tensile capability of the cable, and when the cable is pressed, the cotton thread plays a role of buffering pressure.

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 above examples illustrate only a few embodiments of the utility model, which are described in 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

1. The utility model provides a liquid cooling charging cable for electric automobile, includes oversheath and outer shielding layer, the oversheath cladding outer shielding layer, its characterized in that, the cladding has four sets of signal lines, four sets of DC lines and ground wire in the outer shielding layer, and wherein, first set of signal line and second set of signal line comprise three mutually stranded electron line and cover respectively at the peripheral first inner shielding layer of this three stranded wire cable, and the third set of signal line comprises two mutually stranded electron lines, and the fourth set of signal line comprises two mutually stranded electron lines and cover and establish at the peripheral second inner shielding layer of this twisted wire cable, just in the second inner shielding layer with all be equipped with the filler in the outer shielding layer.

2. The liquid-cooled charging cable for electric automobile of claim 1, wherein the first inner shield layer and the second inner shield layer are both copper wire braid shield layers.

3. The liquid-cooled charging cable for electric automobile according to claim 1, wherein the outer shielding layer comprises a graphene shielding tape and a transparent mylar tape, and the transparent mylar tape is wound around the periphery of the graphene shielding tape.

4. The liquid-cooled charging cable for electric vehicles of claim 1, wherein each set of DC lines comprises a liquid-cooled tube, a first conductor, and a first insulating layer, the first insulating layer coating the first conductor, the first conductor being wound around the liquid-cooled tube.

5. The liquid-cooled charging cable for electric automobile according to claim 4, wherein the liquid-cooled tube is made of teflon material and has a diameter of 6.0mm±0.1mm.

6. The liquid-cooled charging cable for electric automobile according to claim 4, wherein the ground wire comprises a second conductor and a second insulating layer, the second insulating layer covers the second conductor, and the first conductor and the second conductor are both oxygen-free copper.

7. The liquid-cooled charging cable for electric automobile of claim 6 wherein the electron beam comprises an alloy conductor and a third insulating layer, the third insulating layer coating the alloy conductor; wherein the diameter of the alloy conductor is 0.10mm plus or minus 0.02mm.

8. The liquid-cooled charging cable for electric automobile according to claim 7, wherein the first insulating layer, the second insulating layer and the third insulating layer are made of XLPE material.

9. The liquid-cooled charging cable for electric automobile according to claim 1, wherein the outer sheath is made of TPU material.

10. The liquid-cooled charging cable for electric automobile according to claim 1, wherein the filler is cotton thread, nylon rope or PP rope.