CN105336988B - 一种电池化成的极耳夹持装置 - Google Patents

一种电池化成的极耳夹持装置 Download PDF

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CN105336988B
CN105336988B CN201510720227.8A CN201510720227A CN105336988B CN 105336988 B CN105336988 B CN 105336988B CN 201510720227 A CN201510720227 A CN 201510720227A CN 105336988 B CN105336988 B CN 105336988B
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CN105336988A (zh
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谢锐涛
王庆祎
王易玮
何志凌
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Shenzhen Huachuang Zhongcheng Intelligent Equipment Co ltd
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Shenzhen Dahua Coulomb Technology Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

本发明涉及一种电池化成的极耳夹持装置,用于锂电化成充放电,它公开了所述的电压导电层和电流导电层分别都是分割成不少于一条的导电条,并且平均间隔地排列形成导电区域,再经各自的导电总线连通形成的导电层;电压导电层的导电区域与电流导电层的导电区域通过各自的导电条留有间隙地啮合形成极耳夹持区。本发明的优点是结构合理,制造方便,它能适应各种型号的锂电池化成,同时在工作时不会出现电压线与电流线短路现象,充放电电流影响极耳电压采样精度,而且不会由于上、下压板不平滑所造成的极耳与极耳夹持装置接触不良的现象,使用寿命长,安全可靠。

Description

一种电池化成的极耳夹持装置
技术领域
本发明涉及一种电池化成的极耳夹持装置,具体地说是一种通过导电条间隔排列形成极耳夹持区的极耳夹持装置。
背景技术
锂电池化成和分容等工序都需要夹持极耳对电池进行充放电。目前已有的极耳夹持装置可靠性较差,无法保证大批量电池充放电时极耳夹持的可靠性,第一种是极耳夹持装置上压板和下压板与极耳接触面都为导电层,上压板导电层连接充电装置电压检测单元,下压板导电层就是连接电流输入输出线路,或者两者相反。当上压板和下压板受力闭合,则上压板导电层和下压板导电层就分别与电池极耳接触,充电装置就可以实现电压采集和电池充放电。此方案可以保证电压和电流线路都能充分接触极耳,但存在隐患,因电池极耳厚度不到0.1mm,而极耳夹持装置上压板和下压板导电层之间夹持时间隙过小,因产生工艺精度问题不能100%确保上压板和下压板是平行的,所以容易产生短路,影响电池数据采集精度,第二种是极耳夹持装置上压板与极耳接触面不导电,下压板与极耳接触面为导电层,导电层电路分割为两部分,一部分连接充电装置电压检测单无,另一部分连接电流输入输出线路,当上压板和下压板受力闭合时,则电池极耳就分别与导电层电压线和电流线同时接触,充电装置就可以采集电池电流电压数据了,但此方案设计与第一种方案相比是不存在短路问题使得电压采集回路通过电流回路采集极耳电压而非直接采样电池极耳两端,可是上、下压板的贴合度如果不够的话,此方案工作时电池极耳同时接触到导电层的电压线和电流线比第一种方案更加难得到保证,这样一个也影响电池数据采集精度,所以解决接触稳定和不存在短路的可能性就成为了电池化成极耳夹持装置的设计方向,同时还能解决由于电池型号各异,电池极耳长短变化或者电池厚薄变化导致位置经常变化所造成的接触不方便问题。
发明内容
本发明的目的是提供一种电池化成的极耳夹持装置,它能适应各种型号的锂电池化成,同时在工作时不会出现电压线与电流线短路现象,而且不会由于上、下压板不平滑所造成的极耳与极耳夹持装置接触不良的现象,使用寿命长,安全可靠。
本发明的技术解决方案是在上压板,下压板,电压导电层,电流导电层基础上,其特点是所述的电压导电层和电流导电层分别都是分割成不少于一条的导电条,并且平均间隔地排列形成导电区域,再经各自的导电总线连通形成的导电层;电压导电层的导电区域与电流导电层的导电区域通过各自的导电条留有间隙地啮合形成极耳夹持区。
以上所述的电压导电层和电流导电层的导电条分别都是纵向或横向地排列,导电条是垂直或倾斜地与导电总线进行连接。
本发明的工作原理是把电压导电层和电流导电层分割后一起间隔地排列在上压板或下压板上,使得两个导电层不会因为上、下压板加工精度或外在的因素产生的两板不平行而使两导电层短路,同时只要极耳的局部接触大于导电层之间的间隙,就不会因上、下压板制造精度因素产生极耳与下压板中的两导电层接触不良的现象,这样就能很好解决传统中极耳夹持装置与电池极耳接触不良和上、下压板工作时导电层短路的问题,充放电电流影响极耳电压采样精度。
本发明的优点是结构合理,制造方便,它能适应各种型号的锂电池化成,同时在工作时不会出现电压线与电流线短路现象,而且不会由于上、下压板不平滑所造成的极耳与极耳夹持装置接触不良的现象,使用寿命长,安全可靠。
附图说明
图1是本发明的侧面结构示意图;
图2是本发明的导电层的导电条纵向垂直排列结构示意图;
图3是本发明的导电层的导电条纵向倾斜排列结构示意图;
图4是本发明的导电层的导电条横向垂直排列结构示意图。
具体实施方式
实施例1
根据图1、图2、图3、图4所示,本发明在上压板1,下压板2,电压导电层3,电流导电层4基础上,其特点是所述的电压导电层3和电流导电层4分别都是分割成十条的导电条,并且平均间隔地排列形成导电区域,再经各自的导电总线连通形成的导电层;电压导电层3的导电区域与电流导电层4的导电区域通过各自的导电条留有间隙续一交替地对应啮合形成极耳夹持区,使得锂电池6在化成时极耳5在极耳夹持区里局部接触也能同时与电压导电层3和电流导电层4相接触。所述的电压导电层3和电流导电层4的导电条都是纵向地排列,导电条是垂直地与导电总线进行连接。所述的导电条排列方式有:纵向垂直、纵向倾斜、横向垂直、横向倾斜四种方式。
实施例2
基本同实施例1,其不同的地方是:所述的电压导电层3和电流导电层4的导电条都是横向地排列,导电条是倾斜地与导电总线进行连接。
本发明的技术方案记载了把极耳夹持装置的导电面分成两组,一组电流线一组电压线,再把两组线分割细化成一条一条的导电线,然后纵向垂直、纵向倾斜、横向垂直、横向倾斜四种方式交替间隔地排列成夹持导电区,通过这样的设计保证在极耳夹持装置上、下压板闭合时,只需要电池的极耳在夹持区域内产生一个以上的局部接触区域,同时此局部接触区域面积大于导电条间隔的间隙大小就能使极耳在夹持区域内同进接触到电压、电流导电条,实施例中记载的导电条是直线或倾斜线,而本领域的技术人员能从本发明中启发把导电条设计成弧线或螺旋线等,同时实施例中和附图中记载的电压导电层和电流导电层是设计在同一块压板,本领域的技术人员也能从这记载中启发得到电压导电层和电流导电层分别相对应地独立设计在上压板和下板压得到同样的效果,以上所说的本发明启发性设计应当在本发明的保护范围内。

Claims (2)

1.一种电池化成的极耳夹持装置,它包括上压板,下压板,电压导电层,电流导电层,其特征是所述的电压导电层和电流导电层分别都是分割成不少于一条的导电条,并且平均间隔地排列形成导电区域,再经各自的导电总线连通形成的导电层;电压导电层的导电区域与电流导电层的导电区域通过各自的导电条留有间隙地啮合形成极耳夹持区。
2.根据权利要求1所述的一种电池化成的极耳夹持装置,其特征是所述的电压导电层和电流导电层的导电条分别都是纵向或横向地排列,导电条是垂直或倾斜地与导电总线进行连接。
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CN105826613B (zh) * 2016-05-06 2018-08-21 东莞市德瑞精密设备有限公司 动力锂电池化成夹具机构
CN107768846B (zh) * 2016-08-17 2020-05-29 王婷 一种电池极耳夹持装置
CN107086289A (zh) * 2017-05-03 2017-08-22 深圳市大华库仑科技有限公司 四线法锂电池极耳接触装置及接触方法
CN111443221A (zh) * 2018-12-28 2020-07-24 深圳市瑞能实业股份有限公司 电池夹片装置

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