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Liquid cooling charging cable and preparation method and application thereof

A charging cable and liquid cooling technology, applied in cable/conductor manufacturing, charging stations, insulated cables, etc., can solve problems such as short service life of cables, accelerated cable aging, and lack of heat dissipation devices, etc., to achieve improved current carrying capacity and low permeability , good softness effect

Pending Publication Date: 2021-12-10
JIANGSU HENGTONG ELECTRONICS CABLE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cable of the charging pile gun plays a very important role as the connection link with the energy storage of the car. During the charging process, whether it is from its own heat, or from the heat transfer of the charging pile module and the car battery, it is difficult for the charging gun cable to dissipate heat. Solved, because there is no heat dissipation device in the structure of the charging pile cable, the power core is wrapped in the middle. When the power core carries current, the cable conductor itself generates a lot of heat. If the heat of the conductor cannot be conducted out of the cable, the generated The heat will accelerate the aging of the cable, leading to problems such as short service life of the cable. Therefore, the method of using liquid cooling to take away the heat and increase the current carrying capacity has become a hot research topic.

Method used

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  • Liquid cooling charging cable and preparation method and application thereof
  • Liquid cooling charging cable and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] This embodiment provides a liquid-cooled charging cable and its preparation method. The structural schematic diagram of the liquid-cooled charging cable is as follows: figure 1 As shown, it includes a cable core 1, an isolation layer 2 and an outer sheath 3 in sequence from the inside to the outside in the radial direction;

[0074] The cable core 1 includes a ground wire core 11, four power wire cores 12, ten signal wire cores 13 and two sets of signal wire core groups 14;

[0075] The ground wire core 11 is located in the gap between the four power wire cores 12, and the ground wire core 11 includes a ground wire conductor 111 and a ground wire insulation 112 sequentially from inside to outside in the radial direction;

[0076] The material of the ground wire insulation 112 is a thermoplastic elastomer with a thickness of 0.5mm;

[0077] The power line core 12 includes a power line cooling pipe 121, a power line conductor 122 and a power line insulation 123 from insi...

Embodiment 2

[0093] This embodiment provides a liquid-cooled charging cable and its preparation method. The structural schematic diagram of the liquid-cooled charging cable is as follows: figure 1 Shown, the difference with embodiment 1 is:

[0094] The thickness of the ground wire insulation 112 is 0.7mm, the thickness of the power line cooling pipe 121 is 1.0mm, the diameter of the copper monofilament in the copper-graphene composite material is 0.05mm, and the thickness of the power line insulation 123 is 0.9mm, so The thickness of the signal line insulation 132 is 0.5mm, the thickness of the isolation layer 2 is 0.06mm, and the thickness of the outer sheath 3 is 2.5mm;

[0095] The working temperature of the extruder head in step (2) is 170°C, and the working temperature of the neck is 175°C; the extruder body includes a first zone, a second zone, and a third zone connected in sequence and the fourth zone; the working temperature of the first zone is 150°C, the working temperature of ...

Embodiment 3

[0098] This embodiment provides a liquid-cooled charging cable and its preparation method. The structural schematic diagram of the liquid-cooled charging cable is as follows: figure 1 Shown, the difference with embodiment 1 is:

[0099] The thickness of the ground wire insulation 112 is 0.6mm, the thickness of the power line cooling pipe 121 is 0.8mm, the diameter of the copper monofilament in the copper-graphene composite material is 0.15mm, and the thickness of the power line insulation 123 is 0.7mm, so The thickness of the signal line insulation 132 is 0.45mm, the thickness of the isolation layer 2 is 0.07mm, and the thickness of the outer sheath 3 is 2mm;

[0100] The working temperature of the extruder head in step (2) is 175°C, and the working temperature of the neck is 180°C; the extruder body includes a first zone, a second zone, and a third zone connected in sequence and the fourth zone; the working temperature of the first zone is 160°C, the working temperature of t...

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Abstract

The invention provides a liquid cooling charging cable and a preparation method and application thereof. The liquid cooling charging cable sequentially comprises a cable core, an isolating layer and an outer sheath from inside to outside in the radial direction. The cable core comprises a ground wire core, power wire cores, a signal wire core group and signal wire cores; the number of the ground wire core is one, and the number of the power wire cores is four. The ground wire core is located in gaps of the four power wire cores. The signal wire core group and the signal wire core are respectively and independently positioned in a gap between the power wire core and the isolating layer; each power wire core comprises a power wire cooling pipe, a power wire conductor and a power wire insulator from inside to outside. Through the arrangement of the liquid cooling charging cable structure and the technical scheme of taking away heat through liquid cooling, the current-carrying capacity is improved under the condition that the cross section area of a power line conductor is not increased, the purpose of fast charging of a new energy automobile is achieved, and the liquid cooling charging cable is suitable for being used as an electric automobile charging pile cable.

Description

technical field [0001] The invention belongs to the technical field of new energy vehicles, and in particular relates to a liquid-cooled charging cable and a preparation method and application thereof. Background technique [0002] With the development of society and people's increasing emphasis on environmental protection, the development of electric vehicles has gradually become the consensus of the world. Among them, electric vehicles refer to vehicles powered by vehicle-mounted power supplies, driven by motors to drive wheels, and meeting the requirements of road traffic and safety regulations. With the advantages of low energy consumption, low noise, low carbon emissions, and high safety, electric vehicles have broad market prospects. With the gradual promotion and industrialization of electric vehicles, the demand for charging pile cables for electric vehicle charging will also increase. increase. The load current value of the cable for the charging pile is relativel...

Claims

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Application Information

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IPC IPC(8): H01B3/44H01B5/08H01B7/04H01B7/17H01B7/42H01B13/00B60L53/18
CPCH01B3/441H01B7/423H01B7/17H01B7/04H01B5/08H01B13/00B60L53/18Y02T10/70Y02T10/7072Y02T90/14
Inventor 倪伟钱子明王庆吕东洋朱凤
Owner JIANGSU HENGTONG ELECTRONICS CABLE TECH CO LTD
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