CN1170970A - 电池漏液感测*** - Google Patents

电池漏液感测*** Download PDF

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CN1170970A
CN1170970A CN97105580A CN97105580A CN1170970A CN 1170970 A CN1170970 A CN 1170970A CN 97105580 A CN97105580 A CN 97105580A CN 97105580 A CN97105580 A CN 97105580A CN 1170970 A CN1170970 A CN 1170970A
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leakage
battery
sense wire
sensing system
sensor
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朴炳圭
朴卿濬
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Samsung SDI 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
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4228Leak testing of cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements
    • G01R31/3646Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本发明与一种感测来自电池并在电池盒内流动的漏液的***有关。该***包括一个漏液传感器,用于感测电池是否正在漏液并输出结果;一个漏液显示器,用于响应漏液检测器的输出进行显示;一个漏液通信器,用于接收来自漏液液体传感器的感测结果并将其传送给便携式电子设备。该***感测电池盒内的漏液,并在将感测结果传送给便携式电子设备的同时显示所感测结果。

Description

电池漏液感测***
本发明与一种电池漏液感测***有关。具体而言,本发明与一种感测和显示电池是否正漏液至电池盒的内底部的信息的***有关。
通常,便携式电子设备采用一个一次电池(不可充电电池)或一个二次电池(充电电池)作为电源。这些电池被嵌入装在便携式电子设备中的电池盒内以保护其免受外界的损坏。这些电池被固定在电池盒内以确保电池的能源以一种安全方式被传送至主设备。
然而,传统的技术存在一些困难,即用户只有打开电池盒才能发现电池是否漏液。其后果是,电池、电池盒甚至便携式电子设备会因漏液而被损坏。
如果漏液从一开始就被检测到的话,电池、电池盒和便携式电子设备就可得到保护以免受严重损坏。然而,问题在于从外面无法看到电池盒内电池漏液的发生。
本发明的目的是提供一种电池漏液感测***,该***能感测到电池是否正漏液至电池盒的内底部,并在将此信息传送给便携式电子设备的同时将此信息显示出来,从而保护电池、电池盒和主设备免受严重损坏,以基本上消除由于传统技术的局限性和缺点而带来的一个或多个问题。
为达到上述目的,本发明提供一种电池漏液感测***,包括一个漏液传感器,用于感测电池是否正在漏液并输出结果;一个漏液显示器,用于响应漏液传感器的输出进行显示;一个漏液通信器,用于接收来自漏液传感器的感测结果并将该信息传送给便携式电子设备。
参考附图,现在将更具体地描述本发明的优选实施例,其中:
图1是一个方框图,用于图解说明作为本发明的一个优选实施例的一种电池漏液感测***;
图2显示了一个电池盒,该电池盒上装有作为本发明的优选实施例的电池漏液感测***。
通过下面的详细描述,并借助于参看附图,就可以对本发明的优选实施例有一个清晰的了解。
如图1和图2所示,作为本发明的优选实施例的电池漏液感测***包括一个漏液传感器20,一个发光二极管(以下称为LED)和一个漏液通信器30。
漏液传感器20位于电池盒10的内底部,通过允许电流流过的方式来检测漏液。
LED的阳极与电源(Vb)的正极相连,阴极与漏液传感器20的一端相连,当漏液传感器20允许电流流过时,该LED就发光。
当漏液传感器20允许电流流过时,漏液通信器30就将电池漏液的信息输出至便携式电子设备。漏液通信器30包含一个电阻(R1)和一个运算放大器(OP1)。该电阻的一端与泄漏液体传感器20的另一端相连,其另一端与电源(Vb)的负极相连,并在电流流经漏液传感器20时维持一个预定电压(V0)。运算放大器(OP1)的同相输入端与R1的一端相连,反相输入端与一个参考电压(Vref)相连,用于放大加到同相输入端的电压与加到反相输入端的电压之间的电压差,然后将经放大的电压输出给主设备。
这里,运算放大器(OP1)可以位于电池盒10内或便携式电子设备内。
漏液传感器20包括多个漏液感测线22和多个漏液检测线24,它们遍布在电池盒10的整个内底部上。而且,漏液传感器20的特点是,漏液感测线22的一端与LED相连而另一端开路,并且漏液感测线24的一端与电阻R1相连而另一端开路。
这里,采用了一种导电  玻璃垫或者导体,它能够通过漏液方式来导电,漏液感测线22和漏液感测线24被布设在一块印刷电路板上。
下面,将详细解释作为本发明优选实施例的二次电池漏液感测***的操作过程。
如果没有发生漏液,由于漏液感测线22和漏液感测线24没有相互连通,就不会有电流流过。因而,LED就不会发光,表明电池没有漏液。漏液通信器中的运算放大器(OP1)也输出表示电池没有漏液的电压值给主设备。
当发生漏液且漏液沿电池盒10的内底部蔓延时,各漏液感测线就会被漏液连通从而有电流流过,因而LED就会发光。在这种情形下,也可以装配象扬声器之类的警报装置来表示漏液的发生。
进而,电流的流动使电阻(R1)得以维持预定电压值(V0),然后这一电压值被输入运算放大器(OP1)的同相输入端。
运算放大器(OP1)放大输入反相输入端的参考电压值(Vref)与输入同相输入端的电压值(V0)之间的电压差。然后,漏液通信器就将表示漏液发生的经放大的电压值(Vout)输出给便携式电子设备。
如上所述,电池漏液感测***检测电池盒内的电池漏液,并且在传送漏液信息给便携式电子设备的同时,显示漏液信息,从而保护电池、电池盒和主设备免受严重损坏。

Claims (7)

1.一种电池漏液感测***,包括:
一个漏液传感器,用于感测电池是否漏液并输出其结果;
一个漏液显示器,用于响应漏液传感器的输出进行显示;
一个漏液通信器,用于接收来自漏液传感器的检测结果并将此检测结果传送给便携式电子设备。
2.如权利要求1所述的电池漏液感测***,其中,所述漏液传感器包括布设在电池盒的整个内底部的多条漏液感测线,其中,一条漏液感测线的一端与所述漏液显示器相连而另一端开路,另一条漏液感测线的一端与漏液通信器相连而另一端开路。
3.如权利要求2所述的电池漏液感测***,其中,多条漏液感测线从一端以平行方式形成多个分枝线,多条漏液感测线从另一端以平行方式形成多个分枝线,并且两端的各条漏液感测线被相互平行地设置以便一端的一条漏液感测线与来自另一端的一种漏液感测线交替相间。
4.如权利要求2所述的电池漏液感测***,其中,如果发生漏液,所述一端的漏液感测线和所述另一端的漏液感测线就被连通从而有电流流过。
5.如权利要求4所述的电池漏液感测***,其中,采用一种能够通过漏液方式来导电的导电玻璃垫或导体,所述各条漏液感测线被布设在一印刷电路板上。
6.如权利要求4所述的电池漏液感测***,其中所述漏液通信器包括:
一电阻,其一端与所述漏液传感器的另一端相连,另一端与电源的负极相连,用于在电流流过所述漏液传感器的漏液感测线时维持一个预定电压值;
一运算放大器,其同相输入端与所述电阻的一端相连,反相输入端与一个参考电压相连,用于放大输入到所述同相输入端的电压与输入到所述反相输入端的电压之间的差值,然后将经放大的电压值输出给便携式电子设备。
7.如权利要求6所述的电池漏液感测***,其中该运算放大器位于电池盒内或便携式电子设备内。
CN97105580A 1996-07-16 1997-06-18 电池漏液感测*** Pending CN1170970A (zh)

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