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WO2018166225A1 - Bus flexible et procédé de fabrication associé - Google Patents

Bus flexible et procédé de fabrication associé Download PDF

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Publication number
WO2018166225A1
WO2018166225A1 PCT/CN2017/110512 CN2017110512W WO2018166225A1 WO 2018166225 A1 WO2018166225 A1 WO 2018166225A1 CN 2017110512 W CN2017110512 W CN 2017110512W WO 2018166225 A1 WO2018166225 A1 WO 2018166225A1
Authority
WO
WIPO (PCT)
Prior art keywords
wires
bus bar
soft bus
wire
bending
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.)
Ceased
Application number
PCT/CN2017/110512
Other languages
English (en)
Chinese (zh)
Inventor
程克强
陈岩
谢秋
司占峰
马帅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Lithium Battery Co Ltd
Original Assignee
China Aviation Lithium Battery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Aviation Lithium Battery Co Ltd filed Critical China Aviation Lithium Battery Co Ltd
Publication of WO2018166225A1 publication Critical patent/WO2018166225A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H01B13/01254—Flat-harness manufacturing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
    • H01B13/01281—Harness wrapping apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28—End pieces consisting of a ferrule or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/32—End pieces with two or more terminations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool

Definitions

  • the invention relates to a soft busbar and a preparation method thereof, and belongs to the technical field of power supply and distribution equipment.
  • Power supply is an important part of electric vehicles.
  • Power battery is an important part of power supply system.
  • the connection of power battery and the connection of various electrical components inside the power system are mainly realized by soft bus conductor.
  • the soft bus is mainly used to derive battery current. , through the transfer between systems to form a complete loop.
  • the soft busbars currently used are mainly made of T2 copper strips with a thickness of 0.1 mm or 0.5 mm and a width of not more than 30 mm, which are formed by blanking, stacking, welding, punching, shape processing and insulation treatment.
  • the soft connection adopting the structure has the characteristics of simple process, good reliability, low impedance, and simple and quick assembly.
  • the conductive main body of the soft bus bar is formed by laminating a copper strip
  • the cross section of the conductive main body is generally a rectangular structure, and there are three disadvantages after the forming.
  • the twisted portion is a folded structure, and the folded two layers of the bus bar cannot be completely completed. Fit, resulting in a thicker thickness, more than 2 times the thickness of the soft busbar, so it requires more installation space;
  • the twist can only be bent at 90 degrees; the third is most soft busbars
  • the surface should be covered with an insulating layer. When the design is bent and twisted, the insulating coating is bent together with the soft busbar. The insulating layer will be plastically deformed at the bending point.
  • the bending In the high vibration environment of the vehicle, the bending is insulated. The layer will cause stress fatigue, which will lead to insulation failure, accidental short circuit, safety accident, and when the soft bus needs additional protection, it is necessary to re-extend the fold to the extra protective layer. This repeated operation may occur. Causes the original insulation layer to rupture.
  • a second object of the present invention is to provide a method of preparing the above soft bus.
  • a soft bus bar includes a conductive body, the conductive body being a wire bundle formed of a plurality of wires, the wire bundle including a bending zone, and a fixing zone located on both sides of the bending zone in an extending direction of the conductive body, Portions of the respective wires corresponding to the fixing regions are fixed to each other; and a portion of each of the wires corresponding to the bent portion is relatively movable.
  • the portion of the wire in the fixed area is covered with a metal strip, and the metal strip and the wire and the wires are soldered to each other. This arrangement ensures that the soft busbar fixing area has sufficient strength and can maintain a certain bending angle of the bending zone.
  • the wires are arranged in a layered structure such that the wire bundle has a rectangular cross section.
  • the wire is provided with two layers.
  • Each of the wires has a twisted structure. With this arrangement, it is possible to prevent the connection point of the vehicle-mounted environment from being loose due to vibration, and the like.
  • Each of the wires is a single structure or is stranded by a plurality of sub-wires.
  • the conductive body is formed with an insulating layer by a dip molding process.
  • the two ends of the wire bundle are covered with a metal connecting tape, and the metal connecting tape is provided with a connecting hole penetrating the metal connecting tape and the wire harness; both ends of the wire harness are covered by the metal connecting tape
  • the wires are fixed to each other.
  • the method for preparing the soft bus bar comprises the steps of: bending a wire bundle formed by a plurality of wires into a bending shape according to a desired shape, and placing the wires on the two sides of the bending region in the extending direction of the wire harness.
  • the bending portion is fixed to maintain a bent state; and a portion of each of the wires corresponding to the bending portion is relatively movable.
  • the bend is shaped and bent by the tooling die.
  • the tooling die is a pressure welding tool comprising an upper pressing head and a lower pressing head, wherein the lower pressing head is provided with a groove having a rectangular cross section matching the size of the conductive conductor, and the upper pressing head is provided with a lower pressing head
  • the grooves are matched with the protrusions, and the protrusions are only disposed in the fixing area of the soft bus bar, and the rectangular grooves of the lower pressing head can realize the bending pre-distribution of the wires.
  • the portions of the wires which are located on both sides of the bending portion in the extending direction of the wire harness are fixed to each other by: wrapping the wires on both sides of the bending region in the extending direction of the wire harness through the copper tape or the aluminum tape After the welding is fixed, the bending zone is kept bent.
  • the portions of the wires which are located on both sides of the bending zone in the extending direction of the wire bundle are fixed to each other, deburred and polished, and after being preheated, immersed in a groove containing liquid plastic to cover the wire bundle with an insulating layer.
  • the soft busbar of the invention can realize the connection of different orientations, different planes and different heights, and the soft busbar can directly bend at any angle in the twisted position, and does not need to be folded, thereby effectively saving the connection space and guiding
  • the extending direction of the electric main body is located on both sides of the bending area, and the fixing sections are physically separated from each other in the non-fixed area, which effectively ensures the rigidity and flexibility of the connection, and ensures that the bending angle of the bending area is stable and not easily deformed.
  • FIG. 1 is a schematic perspective structural view of a soft bus bar according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic view showing the shaping and bending of a tooling die according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic perspective structural view of a soft bus bar according to Embodiment 2 of the present invention.
  • the soft busbar of the present embodiment has a cross-sectional area of 70 mm 2 .
  • the soft bus bar includes a wire main body, and the conductive main body is covered with an insulating layer 3 (the insulating layer on the right half side of the soft bus bar is not shown in FIG. 1), and the insulating layer is formed by a dip molding process.
  • the above conductive body is a wire bundle having an upper and lower two-layer structure, and each layer structure of the wire bundle includes 12 wires 6 and the wires of each layer are arranged side by side. Each wire is twisted from 22 copper wires of T2 sub-wire with a diameter of 0.42 mm.
  • the wire harness is provided with a bending zone 1, and a fixing zone 2 located on both sides of the bending zone in the extending direction of the conductive body.
  • the portions of the wires that are in the bend zone are not fixed to each other, that is, can move relative to each other.
  • the portion of each wire in the fixed area is covered by a 0.2 mm thick copper strip and welded by molecular diffusion welding. After soldering, the wires and the copper strip are welded together and the connection is firm.
  • the bending zone and the fixed zone are alternately distributed to ensure that the bending zone has good rigidity and flexibility, and the bending and twisting effects are achieved, and the connection point loosening and the busbar breaking due to vibration can be prevented in the vehicle environment.
  • the portions of the wires that are in the bend zone are not welded to achieve bending at any angle.
  • the outer portion of the bending zone and the outer portion of the fixing zone are covered with an insulating layer 3.
  • the two ends of the conductive body are the connecting end 5, and the insulating layer at the connecting end 5 is scraped off with a cutter, and the connecting end is covered by a metal connecting strip, and the connecting end is provided with a circular bolt hole 4 extending through the metal connecting strip and the main body of the wire. .
  • the connection end 5 can be electroplated to ensure that the appearance dimensions meet the connection installation requirements.
  • the soft bus bar of this embodiment is provided with two kinds of bends: a first bend 7 and a second bend 8. As shown in FIG. 1, the first bend 7 is a bend toward one side in the width direction of the conductive body, and the second bend 8 is a bend toward the thickness direction of the conductive body.
  • the wire bundle formed by the plurality of wires is bent and formed by the tooling die according to the bending form shown in FIG. 1 to form a bending zone, and the portions of the wires which are located on both sides of the bending zone in the extending direction of the wire harness are made of copper strips.
  • the welding is fixed to keep the bending zone in a bent state, and the burr is polished.
  • the wire bundle is immersed in a tank containing liquid plastic to cover the wire bundle, and the preheating temperature of the conductor can be controlled.
  • the thickness of the insulation layer meets the requirements of different pressure levels and is finally cooled and solidified.
  • the tooling die shaping bending is as shown in FIG. 2, and the tooling die is a pressure welding tool comprising an upper pressing head 9 and a lower pressing head 10, and the lower pressing head is provided with a rectangular cross section matching the size of the soft bus conductor 11 a groove, the upper pressing head is provided with a protrusion matching the groove of the lower pressing head, the protrusion is only disposed in a fixed welding zone of the soft bus bar, and the rectangular groove of the lower pressing head can realize bending of the wire Pre-arranged.
  • the soft bus bar of the embodiment has only one type of bending, as shown by the bending 12 in FIG. 3, and the bending shown by the bending 12 is a twisting and bending.
  • the planes of the two sides of the bend are perpendicular to each other and the extension lines of the two side portions are perpendicular to each other.
  • the soft bus bar connecting end is provided with a through-metal connecting tape and a waist bolt hole 13 of the wire harness.
  • the sub-wires may also be a single copper wire.
  • the thickness of the copper strip can be set as desired, for example 0.1 mm or 0.5 mm.
  • the diameter of the copper wire can be set as desired, for example 0.1 mm or 0.6 mm.
  • the number of wires may be set as desired, for example 4 or 40.
  • the number of sub-wires may be set as desired, for example, 7 or 100.
  • the copper wire may also be replaced by an aluminum wire, which may also be replaced by an aluminum tape.
  • other bending angles may be set according to specific conditions, and the bending direction may also be set to be twisted by other shapes according to specific conditions.
  • the insulating sleeve may be directly on the outer casing of the conductive body as the insulating protective layer of the conductive body.
  • the number of wire layers may be one or three or more, and the cross-sectional shape of the wire bundle may also be circular.
  • the fixing portion of each of the wires in the fixing area may also be soldered. Or strapping or hooping.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

L'invention concerne un bus flexible et son procédé de fabrication. Le bus flexible comprend un corps conducteur principal, le corps conducteur principal étant un faisceau de câbles formé par une pluralité de fils (6) ; le faisceau de câbles comprenant une zone courbée (1) et des zones de fixation (2) situées sur deux côtés de la zone courbée et dans une direction d'extension du corps conducteur principal ; et chaque fil et une partie correspondante des zones de fixation étant fixés l'un à l'autre, et chaque fil et une partie correspondante de la zone courbée peuvant se déplacer l'un par rapport à l'autre. Le bus flexible est simple et fiable, économise l'espace d'installation, et présente d'excellentes performances de flexion et de sécurité.
PCT/CN2017/110512 2017-03-15 2017-11-10 Bus flexible et procédé de fabrication associé Ceased WO2018166225A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710154283.9A CN108630342B (zh) 2017-03-15 2017-03-15 一种软母线及其制备方法
CN201710154283.9 2017-03-15

Publications (1)

Publication Number Publication Date
WO2018166225A1 true WO2018166225A1 (fr) 2018-09-20

Family

ID=63522648

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/110512 Ceased WO2018166225A1 (fr) 2017-03-15 2017-11-10 Bus flexible et procédé de fabrication associé

Country Status (2)

Country Link
CN (1) CN108630342B (fr)
WO (1) WO2018166225A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114096860A (zh) * 2019-07-16 2022-02-25 Ａｇｃ株式会社 透明传感检测设备、夹层玻璃以及透明传感检测设备的制造方法

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Publication number Priority date Publication date Assignee Title
CN110561043B (zh) * 2019-08-30 2021-07-09 东莞市万连实业有限公司 铝箔软连接的软连接部位错位焊接方法
JP7358935B2 (ja) * 2019-11-21 2023-10-11 株式会社オートネットワーク技術研究所 配線部材
CN115440437A (zh) * 2021-06-02 2022-12-06 深圳市沃尔核材股份有限公司 电力传输母线的制造方法
CN217823618U (zh) * 2022-03-14 2022-11-15 吉林省中赢高科技有限公司 一种电能传输总成及车辆

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CN1135670A (zh) * 1995-02-08 1996-11-13 矢崎总业株式会社 用于制造压焊电线束的装置和方法
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CN1894753A (zh) * 2003-10-22 2007-01-10 吉野川电线株式会社 带有连接器的电缆及其制造方法
CN101802935A (zh) * 2007-09-18 2010-08-11 罗伯特.博世有限公司 柔性的电连接器

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CN100481229C (zh) * 2005-12-21 2009-04-22 广明光电股份有限公司 软排线
CN202796144U (zh) * 2012-07-23 2013-03-13 达昌电子科技(苏州)有限公司 软性排线结构
TWM473597U (zh) * 2013-10-25 2014-03-01 Wistron Corp 軟性排線與電路板的組合以及該電路板
CN204288845U (zh) * 2014-04-01 2015-04-22 湖南鼎力电气系统有限公司 一种异形绝缘铜母线
JP6361310B2 (ja) * 2014-06-20 2018-07-25 住友電気工業株式会社 フラットケーブルの製造方法及びフラットケーブル
JP2016085952A (ja) * 2014-10-29 2016-05-19 京セラドキュメントソリューションズ株式会社 フラットケーブルおよびそれを備えた画像形成装置ならびにフラットケーブルの曲げ方法
CN204793649U (zh) * 2015-07-22 2015-11-18 中骏电气（厦门）有限公司 一种变压器隔室铜排安装支撑装置
CN205790441U (zh) * 2016-06-25 2016-12-07 广东思科通用电力科技有限公司 一种软体高导电高分子软连接结构

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1135670A (zh) * 1995-02-08 1996-11-13 矢崎总业株式会社 用于制造压焊电线束的装置和方法
CN1230802A (zh) * 1998-03-26 1999-10-06 住友电装株式会社 线束组件
CN1894753A (zh) * 2003-10-22 2007-01-10 吉野川电线株式会社 带有连接器的电缆及其制造方法
CN101802935A (zh) * 2007-09-18 2010-08-11 罗伯特.博世有限公司 柔性的电连接器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114096860A (zh) * 2019-07-16 2022-02-25 Ａｇｃ株式会社 透明传感检测设备、夹层玻璃以及透明传感检测设备的制造方法
CN114096860B (zh) * 2019-07-16 2024-06-11 Ａｇｃ株式会社 透明传感检测设备、夹层玻璃以及透明传感检测设备的制造方法

Also Published As

Publication number Publication date
CN108630342A (zh) 2018-10-09
CN108630342B (zh) 2019-12-13

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