CN102013670A - Split type high-power lithium ion battery pack protection system - Google Patents

Split type high-power lithium ion battery pack protection system Download PDF

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Publication number
CN102013670A
CN102013670A CN2010105381622A CN201010538162A CN102013670A CN 102013670 A CN102013670 A CN 102013670A CN 2010105381622 A CN2010105381622 A CN 2010105381622A CN 201010538162 A CN201010538162 A CN 201010538162A CN 102013670 A CN102013670 A CN 102013670A
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connected
battery pack
total
mosfet
plate
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CN2010105381622A
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Chinese (zh)
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季马贵
袁春刚
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江苏双登集团有限公司
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Priority to CN2010105381622A priority Critical patent/CN102013670A/en
Publication of CN102013670A publication Critical patent/CN102013670A/en

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    • 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 or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/12Battery technologies with an indirect contribution to GHG emissions mitigation

Abstract

The invention discloses a split type high-power lithium ion battery pack protection system. The system comprises a signal acquisition and synthesis board (2) and an execution board (3), wherein the master anode of a battery pack (1) is connected with the anode of a charger; the cathode of the charger is connected with a charging control signal output end of the signal acquisition and synthesis board (2) through a charging execution module of the execution board (3); a corresponding signal input end of the signal acquisition and synthesis board (2) is connected with the two ends of each battery in the battery pack (1); the charging control signal output end of the signal acquisition and synthesis board (2) is connected with the cathode of a load through a discharging execution module of the execution board (3); and the anode of the load is connected with the master anode of the battery pack (1). In the system, the requirements of protection of a high-power lithium ion battery can be met by using the signal acquisition and synthesis board; the battery packs with different loads can be protected by replacing the execution board of the system; and the system is easy to manufacture and convenient to mount, reduces the production cost and improves the economic benefit.

Description

一种分体式大功率锂离子电池组保护系统 A separate-type high-power lithium ion battery pack protection system

技术领域 FIELD

[0001] 本发明涉及锂离子电池的保护领域,特别是涉及大功率锂离子电池组的保护, 具体地说是一种分体式大功率锂离子电池组保护系统。 [0001] relates to the field of protection of the present invention, a lithium ion battery, particularly to protect the high-power lithium-ion battery pack, particularly a high-power lithium ion battery pack split protection system.

[0002] [0002]

背景技术 Background technique

[0003] 目前,为了防止锂离子电池的过充电、过放电及短路等,通常需要外接电子线路来保护锂电池,这个电子线路的装置通常被称之为锂离子电池组保护板。 [0003] Currently, in order to prevent a lithium ion battery overcharge, overdischarge, short circuit and the like, often require external electronic circuit to protect the lithium battery, the electronic circuit means generally called a lithium ion battery protection board. 部分保护板还具有均衡功能、开关功能等等。 Portion of the protective plate further having a balancing function, a switching function and the like. 保护板有的采用一只芯片保护一只电池、有的采用一只芯片保护多只电池、有的采用单片机结构等等来实现,但是保护板都是由电池检测、 信号合成、执行机构等几部分组成,并集中在一块线路板上来实现。 Some use a protective plate a battery protection chip, some use of more than just a battery protection chip, and some achieved using SCM structures, etc., but the protective plate are detected by the battery, the signal synthesis is performed several agencies components, and concentrated on a circuit board is achieved. 由于电池制造厂家的材料、配方、工艺等等的差异,不同厂家生产的电池要求保护的参数不一致;同批次的电池组成不同规格的电池组时,保护板的参数也不一样。 Battery manufacturers due to the difference of materials, formulations, processes, etc., different manufacturers of battery protection request parameter inconsistent; different compositions when the same batch size of the battery cells, protection parameters are not the same plate. 这样一来,各个电池组装厂就不得不采取各种各样的保护板来满足市场的需求。 As a result, each battery assembly plant will have to take a variety of protective plate to meet the needs of the market. 尤其是大功率的锂离子电池,保护板通常需要定制。 In particular, high-power lithium ion batteries, typically require custom protection board. 因此,目前的锂离子电池组保护板一体化形式,产生了制作工序多, 投入的生产成本高,资源消耗大的问题,不能满足生产成本低、经济效益高的要求。 Therefore, the current forms of integration lithium ion battery protection board, resulting in the production process, high production cost inputs, resource consumption problems, can not meet the low production cost, high economic efficiency requirements.

发明内容 SUMMARY

[0004] 本发明的目的是针对目前的锂离子电池组保护板一体化形式所带来的对于不同厂家、规格的电池组需要对应制作保护板,生产成本高,资源消耗大的问题,提出一种分体式大功率锂离子电池组保护系统,更换本系统的执行板就可以满足不同负载功率的需求,采用通用保护板就能实现大功率锂离子电池的保护。 [0004] The object of the present invention is a matter of different manufacturers, the corresponding specifications of the battery pack needs protection board production, high production cost, resource consumption for the present form of the lithium ion battery protection board brought integration, a proposed species split power lithium ion battery pack protection system, replace the implementation of the system board to meet the needs of different load power, can be achieved using a common protective plate protective power lithium ion battery.

[0005] 本发明的技术方案是: [0005] aspect of the present invention is:

一种分体式大功率锂离子电池组保护系统,它包括信号采集合成板和执行板,所述的电池组的总正极与充电器的正极相连,充电器的负极通过执行板的充电执行模块与信号采集合成板的充电控制信号输出端相连,信号采集合成板的对应信号输入端与电池组中各电池的两端相连,信号采集合成板的放电控制信号输出端通过执行板的放电执行模块与负载的负极相连,负载的正极与电池组的总正极相连。 A separate-type high-power lithium ion battery protection system, which comprises performing signal acquisition board and plywood, is connected to the positive electrode of the total of the positive electrode and the battery charger, the charger through negative charging execution module performs plate and signal acquisition charge control signal output terminal is connected to the composite board, the signal corresponding to the signal acquisition board connected to the input of the synthesizer and the two ends of each battery cell, the signal acquisition discharge control signal output terminal of the composite board module executed by performing discharge plate and a load connected to the negative electrode, a positive electrode connected to the total load of the battery pack.

[0006] 本发明的信号采集合成板为通用保护板。 [0006] Synthesis of signal acquisition board of the invention is a general protective plate.

[0007] 本发明的执行板为一组功率型驱动模块,包括充电执行模块和放电执行模块, 均采用MOSFET、IGBT、直流固态继电器或直流继电器。 Perform plate [0007] The present invention is a set of power drive module type, comprising a charging and discharging execution module execution module, are made of MOSFET, IGBT, DC relay or solid state relay.

[0008] 本发明的执行板中,充电执行模块为MOSFET,放电执行模块为直流继电器, MOSFET的源极S与充电器的负极相连,MOSFET的漏极D与电池组的总负极相连, MOSFET的栅极G通过反相器即三极管分别与电池组的总正极和信号采集合成板的充电控制信号输出端相连;直流继电器KM的线包的一端与电池组的总正极相连,另一端与信号采集合成板的放电控制信号输出端相连,直流继电器KM的动合触点的一端与负载的负极相连,动合触点的另一端与电池组的总负极相连。 [0008] The sheet of the present invention is performed, the charging execution module MOSFET, the discharge execution module DC relay, the source S of the MOSFET is connected to the negative electrode of the charger, the total negative electrode of the MOSFET is connected to the drain D of the battery pack, the MOSFET i.e., through an inverter gate G of the transistor and the cathode respectively of the total signal charge of the battery pack is connected to collection control signal output terminal of the composite board; always connected to the positive end of the battery pack DC relay KM line package, and the other end of the signal acquisition a discharge control signal output terminal is connected to the composite board, and one end of the negative electrode load of the DC relay closing contact KM is connected to the movable contact and the other end connected together to the total negative electrode of the battery pack.

[0009] 本发明的执行板中,充电执行模块为MOSFET,放电执行模块为MOSFET,充电MOSFET的源极S与充电器的负极相连,充电MOSFET的漏极D与电池组的总负极相连,充电MOSFET的栅极G通过反相器即三极管分别与电池组的总正极和信号采集合成板的充电控制信号输出端相连;放电MOSFET的漏极D与负载的负极相连,放电MOSFET的源极S与电池组的总负极相连,放电MOSFET的栅极G通过反相器即三极管分别与电池组的总正极和信号采集合成板的放电控制信号输出端相连。 [0009] The sheet of the present invention performed, the charging execution module MOSFET, MOSFET to discharge execution module, the charger and the charging negative electrode S connected to a source of the MOSFET, the drain of the MOSFET total negative charge of the battery pack D is connected, charging the gate G of the MOSFET transistor through an inverter, respectively, i.e., positive electrode and a total signal of the battery pack is connected to the charge collection control signal output terminal of the composite board; connected to the negative electrode and the drain D of MOSFET load discharge source S and discharge the MOSFET the total negative electrode of the battery pack is connected to the discharge gate G of the MOSFET transistor through an inverter i.e. total positive electrode are connected to the battery pack and the signals collected discharge control signal output terminal of the composite board.

[0010] 本发明的执行板中,充电执行模块为直流继电器KMl,放电执行模块为直流继电器KM2,直流继电器KMl的线包的一端与电池组的总正极相连,另一端与信号采集合成板的充电控制信号输出端相连;直流继电器KMl的动合触点的一端与充电器的负极相连,动合触点的另一端与电池组的总负极相连;直流继电器KM2的线包的一端与电池组的总正极相连,另一端与信号采集合成板的放电控制信号输出端相连;直流继电器KM2 的动合触点的一端与负载的负极相连,动合触点的另一端与电池组的总负极相连。 [0010] execution sheet of the present invention, the charging execution module DC relay KMl, the discharge execution module KM2, one end of the line package DC relay KMl is connected to the total of the positive electrode of the battery pack DC relay, the other end of the signal acquisition composite board the charge control signal output terminal is connected; a negative electrode connected to one end of the front contact charger KMl DC relay and the other end is connected to the movable engagement total negative contact of the battery pack; end of the wire of the DC relay package the battery pack KM2 the total positive electrode connected to the other end of the signal acquisition discharge control signal output terminal connected to the composite board; and a load connected to the negative end of the DC relay closing contact of KM2, the other end of the make contacts is connected to the negative electrode of the battery pack of the total .

[0011] 本发明的执行板中,充电执行模块为直流固态继电器U1,放电执行模块为直流固态继电器U2,直流固态继电器Ul驱动输入的正端与电池组的总正极相连,驱动输入的另一端与信号采集合成板的充电控制信号输出端相连;直流固态继电器Ul输出的负端与充电器的负极相连,输出的正端与电池组的总负极相连;直流固态继电器U2驱动输入的正端与电池组的总正极相连,驱动输入的另一端与信号采集合成板的放电控制信号输出端相连;直流固态继电器U2输出的正端与负载的负极相连,输出的负端与电池组的总负极相连。 [0011] execution sheet of the present invention, the charging execution module is a solid state relay U1, the discharge execution module solid state relay U2, is connected to the overall positive positive terminal of the battery pack solid state relay Ul drive input and the other end of the drive input signal acquisition and the charge control signal output terminal connected to the composite board; the negative terminal is connected to the negative DC output of the solid state relay Ul charger is connected to the positive output terminal of the total negative electrode of the battery pack; positive terminal of solid state relay with the input drive U2 the total of the positive electrode of the battery pack is connected to the other end of the signal driver input acquisition discharge control signal output terminal of the composite board is connected; connected to a negative positive terminal of solid state relay U2 outputs to the load, and the negative terminal of the output is connected to the total negative electrode of the battery pack .

[0012] 本发明的有益效果: [0012] Advantageous effects of the invention:

本发明的分体式大功率锂离子电池组保护系统,采用信号采集合成板就能满足大功率锂离子电池的保护的需求,更换本系统的执行板就可以实现不同负载的电池组的保护,本发明的系统制作简易,安装方便,降低了生产成本,提高了经济效益。 Split power lithium ion battery pack protection system according to the present invention, a synthesized signal acquisition board can meet the needs of high-power lithium ion battery is protected, the replacement of the implementation of the system board can be achieved protection of the battery pack different loads, the present system of the invention made simple, easy to install, reduces the production cost and improve economic efficiency.

[0013] [0013]

附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明的电原理图。 [0014] FIG. 1 is an electrical schematic diagram of the present invention.

[0015] 图2是本发明实施例之二的电原理图。 [0015] FIG. 2 is an electrical schematic diagram of the second embodiment of the present invention.

[0016] 图3是本发明实施例之三的电原理图。 [0016] FIG. 3 is an electrical schematic diagram of embodiment III of the embodiment of the present invention.

[0017] 图4是本发明实施例之四的电原理图。 [0017] FIG. 4 is a fourth embodiment of an electrical schematic diagram of embodiments of the present invention.

[0018] [0018]

具体实施方式 Detailed ways

[0019] 下面结合附图和实施例对本发明作进一步的说明。 Drawings and embodiments of the present invention will be further described [0019] below in conjunction.

[0020] 具体实施时:一种分体式大功率锂离子电池组保护系统,它包括信号采集合成板2和执行板3,所述的电池组1的总正极与充电器的正极相连,充电器的负极通过执行板3的充电执行模块与信号采集合成板2的充电控制信号输出端相连,信号采集合成板2 的对应信号输入端与电池组1中各电池的两端相连,信号采集合成板2的放电控制信号输出端通过执行板3的放电执行模块与负载的负极相连,负载的正极与电池组1的总正极相连。 [0020] DETAILED implementation: a separate-type high-power lithium ion battery protection system, which comprises a signal acquisition and implementation of the composite board 2 plate 3, the positive electrode of the battery charger 1 and the total of the positive electrode is connected to the charger a negative electrode plate 3 is charged by performing signal acquisition module performs the charge control signal output terminal 2 connected to the panel assembly, the signal input terminal corresponding to signal acquisition synthesis plate 2 is connected to both ends of each battery 1 in the battery pack, the synthesized signal acquisition board 2, the discharge control signal output terminal connected to the negative electrode by performing the discharge plate and the load execution module 3, a positive electrode is connected with the total load of the battery pack 1.

[0021] 本发明的信号采集合成板2为通用保护板(型号可为TYB10C)。 [0021] The present invention is a signal acquisition board 2 Synthesis of a universal protective plate (model may be TYB10C).

[0022] 本发明的执行板3为一组功率型驱动模块,包括充电执行模块和放电执行模块,均采用MOSFET、IGBT,直流固态继电器或直流继电器。 [0022] The present invention performs plate 3 is a set of power drive module type, comprising a charging and discharging execution module execution module, are made of MOSFET, IGBT, DC relay or solid state relay. 对应不同规格的电池,执行板3按电池的电流等级配置,如继电器的选择:额定电流等级小于等于其配套电池的最大工作电流。 Corresponding to different specifications of the battery, performed at current level of the battery plate 3 is disposed, such as selecting the relay: a rated current level which is less than equal to the maximum operating current of the battery package.

[0023] 实施例一: [0023] Example a:

如图1所示,本发明执行板3的一组功率型驱动模块采用MOSFET和直流继电器组合为例,其中:充电执行模块为MOSFET,放电执行模块为直流继电器,MOSFET的源极S与充电器的负极相连,MOSFET的漏极D与电池组1的总负极相连,MOSFET的栅极G通过反相器即三极管分别与电池组1的总正极和信号采集合成板2的充电控制信号输出端相连;直流继电器KM的线包的一端与电池组1的总正极相连,另一端与信号采集合成板2的放电控制信号输出端相连,直流继电器KM的动合触点的一端与负载的负极相连,动合触点的另一端与电池组1的总负极相连。 1, the present invention is the implementation of a set of power plate type driving module 3 and a MOSFET as an example DC relay assembly, wherein: the charging execution module MOSFET, the discharge performing DC relay module, and the source S of MOSFET charger is connected to the negative electrode, the negative electrode of the MOSFET is connected to the drain D of the total battery pack 1, the gate G of the MOSFET transistor through an inverter that is connected to the positive electrode, respectively, and the total signal of the battery pack 1 charge collection control signal output terminal 2 of the composite board ; end of the wire of the DC relay KM package the battery pack is connected to the overall positive electrode 1, the other end of the synthesized signal acquisition board is connected to a discharge control signal output terminal 2, a negative electrode is connected to one end of the front contact load of the DC relay KM, the other end of the make contacts is connected to the negative electrode of the battery pack 1 overall. 这里用的是MOSFET,IGBT用法也一样,IGBT的前面是也是采用三极管那样的反相器。 Here is the MOSFET, IGBT usage is the same, in front of the IGBT transistor is also used as an inverter.

[0024] 以此为例描述几个具体的工作过程: [0024] described this as an example several specific work process:

过充电保护:充电时,通用保护板检测电池组中每节电池的电压,当检测值达到过充电保护电压值时,通用保护板的充电控制信号输出至执行板3,MOSFET管关断,停止充电。 Overcharge Protection: charging, general protection board detects battery voltage of each battery, when the detected value reaches the overcharge protection voltage value, the control signal output of the charging general protection plate to perform the plate 3, MOSFET tube is shut off, stopping charge. 此时,电池电压下降,当单体电压下降到过充保护恢复值时或电池组1放电,通用保护板的充电控制信号输出至执行板3使得MOSFET管导通,又可以充电。 At this time, the battery voltage drops, when the cell voltage drops to restore the value of overcharge protection or battery 1 discharging, the charge control signal output common to the protective plate such that the plate 3 performs the MOSFET is turned on, and can be charged.

[0025] 过放电保护:放电时,通用保护板检测电池组中每节电池的电压,当检测值达到过放电保护电压值时,通用保护板的放电控制信号输出至执行板3,直流继电器关断, 停止放电。 [0025] Over-discharge protection: discharge, general protection board detects battery voltage of each battery, when the detected value reaches the overdischarge protection voltage value, outputs a control signal discharging common protective plate to perform the plate 3, DC relay off off to stop discharging. 此时,电池电压上升,当单体电压上升到过放电保护恢复值时或电池组1充电,通用保护板的放电控制信号输出至执行板3使得直流继电器吸合,电路导通,又可以放电。 At this time, the battery voltage rises when the cell voltage rises to overdischarge protection or recovery value charging a battery pack, the protective plate common discharge control signal is output to perform plate 3 so that the DC relay circuit is on, and may be discharged .

[0026] 短路保护:电池组无论在何种状态下,只要单体电压的瞬间压降达到保护的设定值时,通用保护板的放电控制信号输出至执行板3,直流继电器关断,完成短路保护功能。 [0026] Short-circuit protection: In any battery state, when the instantaneous voltage drop of the cell voltage reaches the set value of the protection, the protection plate common discharge control signal is output to perform plate 3, DC relay is turned off, to complete short circuit protection.

[0027] 实施例二: [0027] Example II:

如图2所示,本发明执行板的一组功率型驱动模块采用MOSFET,其中:充电执行模块为MOSFET,放电执行模块为MOSFET,充电MOSFET的源极S与充电器的负极相连,充电MOSFET的漏极D与电池组1的总负极相连,充电MOSFET的栅极G通过反相器即三极管分别与电池组1的总正极和信号采集合成板2的充电控制信号输出端相连; 放电MOSFET的漏极D与负载的负极相连,放电MOSFET的源极S与电池组1的总负极相连,放电MOSFET的栅极G通过反相器即三极管分别与电池组1的总正极和信号采集合成板2的放电控制信号输出端相连。 As shown, a set of power-type driving module executed plate 2 using MOSFET of the present invention, wherein: the charging execution module MOSFET, MOSFET module performs discharge, charging the source S of the MOSFET connected to the negative charger, charging the MOSFET It is connected to the drain D of the total negative electrode of the battery pack 1, charging the gate G of the MOSFET transistor through an inverter, respectively, i.e. total positive signal and the battery pack 1 is connected to collect the charge control signal output terminal 2 of the panel assembly; leak discharge the MOSFET D negative electrode and the load connected to the source electrode S of the discharge MOSFET is connected to the negative electrode of the battery pack to the total of 1, i.e., the discharge gate G of the MOSFET transistor through an inverter, respectively, and the total of the positive electrode of the battery pack 1 of the signal acquisition board 2 synthesis of a discharge control signal output terminal is connected.

[0028] 工作过程与实施例一类似。 [0028] The working process is similar to the first embodiment.

[0029] 实施例三:如图3所示,本发明执行板的一组功率型驱动模块采用直流继电器为例;其中,充电执行模块为直流继电器KM1,放电执行模块为直流继电器KM2,直流继电器KMl的线包的一端与电池组1的总正极相连,另一端与信号采集合成板2的充电控制信号输出端相连;直流继电器KMl的动合触点的一端与充电器的负极相连,动合触点的另一端与电池组1的总负极相连;直流继电器KM2的线包的一端与电池组1的总正极相连,另一端与信号采集合成板2的放电控制信号输出端相连;直流继电器KM2的动合触点的一端与负载的负极相连,动合触点的另一端与电池组1的总负极相连。 [0029] Example Three: As shown, a set of power drive module executed plate type of the present invention employ a DC relay Example 3; wherein the charging execution module DC relay KM1, discharge relay KM2 execution module DC, DC relay the total positive end of the battery pack 1 is connected to the line pack KMl, the other end of the signal acquisition charge control signal output terminal 2 is connected to the composite board; charger is connected to negative end of the DC relay closing contact KMl, dynamic co the other end contacts with a total negative battery 1 is connected; total positive end of the wire is connected to the DC relay packet KM2 the battery pack 1, the other end of the signal acquisition discharge control signal output terminal 2 connected to the panel assembly; DC relay KM2 one end of the negative electrode of the front contact and the load is connected to the other end of the make contacts is connected to the negative electrode of the battery pack 1 overall.

[0030] 工作过程与实施例一类似。 [0030] The working process is similar to the first embodiment.

[0031] 实施例四: [0031] Example IV:

如图4所示,本发明执行板的一组功率型驱动模块采用直流固态继电器为例;其中,充电执行模块为直流固态继电器U1,放电执行模块为直流固态继电器U2,直流固态继电器Ul驱动输入的正端与电池组1的总正极相连,驱动输入的另一端与信号采集合成板2的充电控制信号输出端相连;直流固态继电器Ul输出的负端与充电器的负极相连, 输出的正端与电池组1的总负极相连;直流固态继电器U2驱动输入的正端与电池组1的总正极相连,驱动输入的另一端与信号采集合成板2的放电控制信号输出端相连;直流固态继电器U2输出的正端与负载的负极相连,输出的负端与电池组1的总负极相连。 As shown, a set of power drive module executed plate type of the present invention uses solid state relay Example 4; wherein the charging execution module solid state relay U1, performs discharge of solid state relay module U2, solid state relay driving input Ul the positive terminal of the total of the positive electrode of the battery pack 1 is connected to the other input terminal of the driving signal acquisition charge control signal output terminal 2 is connected to the composite board; the negative terminal is connected to the negative DC output of the solid state relay Ul charger, the positive terminal of the output the total negative electrode of the battery pack 1 is connected; positive terminal of solid state relay U2 drive input is connected to the overall positive electrode of the battery pack 1, the other end of the signal driving the input acquisition discharge control signal output terminal of the composite board 2 is connected; solid state relay U2 the negative output is connected to the positive terminal of the load, is connected to the negative output terminal of the battery pack 1 total negative.

[0032] 工作过程与实施例一类似。 [0032] The working process is similar to the first embodiment.

[0033] 本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。 [0033] The present invention relates to non-parts are to be employed to achieve the same prior art or prior art.

Claims (7)

1. 一种分体式大功率锂离子电池组保护系统,其特征是它包括信号采集合成板(2) 和执行板(3),所述的电池组(1)的总正极与充电器的正极相连,充电器的负极通过执行板(3)的充电执行模块与信号采集合成板(2)的充电控制信号输出端相连,信号采集合成板(2)的对应信号输入端与电池组(1)中各电池的两端相连,信号采集合成板(2)的放电控制信号输出端通过执行板(3)的放电执行模块与负载的负极相连,负载的正极与电池组(1)的总正极相连。 A split high-power lithium ion battery pack protection system, characterized in that it comprises a synthetic signal acquisition board (2) and the actuation plate (3), the positive electrode of the battery pack (1) the total of the positive electrode of the battery charger connected to the negative terminal of the charge control signal output by the execution of the charger plate (3) performing a charging signal acquisition module plywood (2) is connected to the synthesis of signal acquisition board (2) corresponding to a signal input terminal and the battery pack (1) is connected to both ends of each cell, and the load is connected to the negative electrode of the discharge execution module synthesized signal acquisition board (2) a discharge control signal output terminal by performing plate (3), the total of the positive electrode is connected to the positive electrode and the battery load (1) .
2.根据权利要求1所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的信号采集合成板(2)为通用保护板。 A separate-type according to claim 1, said high-power lithium ion battery pack protection system, wherein said synthesized signal acquisition board (2) is a common protective plate.
3.根据权利要求1所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的执行板(3)为一组功率型驱动模块,包括充电执行模块和放电执行模块,均采用MOSFET、IGBT、直流固态继电器或直流继电器。 According to one of the claims 1 to split power lithium ion battery pack protection system, wherein execution of said plate (3) is a set of power drive module type, comprising a charging and discharging execution module execution module, They are made of MOSFET, IGBT, DC relay or solid state relay.
4.根据权利要求1或3所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的执行板(3)中,充电执行模块为MOSFET,放电执行模块为直流继电器,MOSFET 的源极S与充电器的负极相连,MOSFET的漏极D与电池组(1)的总负极相连, MOSFET的栅极G通过反相器即三极管分别与电池组(1)的总正极和信号采集合成板(2)的充电控制信号输出端相连;直流继电器KM的线包的一端与电池组(1)的总正极相连,另一端与信号采集合成板(2)的放电控制信号输出端相连,直流继电器KM的动合触点的一端与负载的负极相连,动合触点的另一端与电池组(1)的总负极相连。 According to one or more of the claims 1 to 3 split power lithium ion battery pack protection system, wherein execution of said plate (3), the charging of the MOSFET execution module, the execution module is a DC relay discharge, S negative electrode of the charger connected to a source of the MOSFET, the drain D of the MOSFET is connected with the battery pack (1) the total negative electrode, i.e., the gate G of the MOSFET transistor of the total of the positive electrode of the battery pack (1), respectively, by reverse phase and the charge control signal output terminal signal acquisition synthesis plate (2) is connected; connected overall positive line package DC relay KM end of the battery pack (1), the other end of the signal acquisition discharge control signal output terminal synthesis plate (2) connected to the negative electrode is connected to one end of the front contact load of the DC relay KM, the other end of the movable contact engaged with the battery pack (1) is connected to a negative total.
5.根据权利要求1或3所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的执行板(3)中,充电执行模块为MOSFET,放电执行模块为MOSFET,充电MOSFET的源极S与充电器的负极相连,充电MOSFET的漏极D与电池组(1)的总负极相连,充电MOSFET的栅极G通过反相器即三极管分别与电池组(1)的总正极和信号采集合成板(2)的充电控制信号输出端相连;放电MOSFET的漏极D与负载的负极相连,放电MOSFET的源极S与电池组(1)的总负极相连,放电MOSFET的栅极G通过反相器即三极管分别与电池组(1)的总正极和信号采集合成板(2)的放电控制信号输出端相连。 A separate-type according to claim 1 or claim 3 high-power lithium ion battery pack protection system, wherein execution of said plate (3), the charging module performs the MOSFET, the MOSFET module performs discharging, charging S is connected to the negative electrode of the charger is connected to the source of the MOSFET, the total charge of the MOSFET and the drain D of the battery pack (1) is negative, the charging of the gate G of the MOSFET transistor through an inverter i.e. total, respectively with the battery pack (1) the charge control signal output terminal of the positive electrode plate and a synthesized signal acquisition (2) is connected; a negative electrode connected to the drain D of the MOSFET of the load discharge, a discharge source electrode S of the MOSFET is connected to the battery pack (1) the total negative electrode, discharging the gate of the MOSFET i.e. electrode G through an inverter transistor, respectively, and the battery pack (1) and the total of the positive electrode is connected to the signal acquisition discharge control signal output terminal synthesis plate (2).
6.根据权利要求1或3所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的执行板(3)中,充电执行模块为直流继电器KM1,放电执行模块为直流继电器KM2,直流继电器KMl的线包的一端与电池组(1)的总正极相连,另一端与信号采集合成板(2)的充电控制信号输出端相连;直流继电器KMl的动合触点的一端与充电器的负极相连,动合触点的另一端与电池组(1)的总负极相连;直流继电器KM2的线包的一端与电池组(1)的总正极相连,另一端与信号采集合成板(2)的放电控制信号输出端相连;直流继电器KM2的动合触点的一端与负载的负极相连,动合触点的另一端与电池组(1)的总负极相连。 A separate-type according to claim 1 or claim 3 high-power lithium ion battery pack protection system, wherein execution of said plate (3), the charging DC relay KM1 execution module, the execution module is a DC discharge relay KM2, total positive DC line package relay KMl end of the battery pack (1) is connected to the charge control signal output terminal connected to the other end of the synthesized signal acquisition board (2); a front contact end of the DC relay KMl a negative electrode connected to the charger, and the other end connected to the movable contact engaged with the battery pack (1) a total negative; total positive line connected to the DC relay packet KM2 end of the battery pack (1), the other end of the signal acquisition synthesis discharge control signal output terminal plate (2) is connected; and a load is connected to the negative end of the DC relay closing contact of KM2, the other end of the movable contact engaged with the battery pack (1) is connected to a negative total.
7.根据权利要求1或3所述的一种分体式大功率锂离子电池组保护系统,其特征是所述的执行板(3)中,充电执行模块为直流固态继电器U1,放电执行模块为直流固态继电器U2,直流固态继电器Ul驱动输入的正端与电池组(1)的总正极相连,驱动输入的另一端与信号采集合成板(2)的充电控制信号输出端相连;直流固态继电器Ul输出的负端与充电器的负极相连,输出的正端与电池组(1)的总负极相连;直流固态继电器U2驱动输入的正端与电池组(1)的总正极相连,驱动输入的另一端与信号采集合成板(2)的放电控制信号输出端相连;直流固态继电器U2输出的正端与负载的负极相连, 输出的负端与电池组(1)的总负极相连。 According to a separate-type lithium ion power battery protection system of claim 1 or claim 3, characterized in that the actuation plate (3) in said charging execution module solid state relay U1, the discharge execution module solid state relay U2, total plus the positive terminal of solid state relay Ul drive input the battery pack (1) is connected to the other end of the signal driver input acquisition charge control signal output terminal synthesis plate (2) is connected; solid state relay Ul negative terminal of the negative electrode is connected to the charger output, the output is connected to the positive terminal of the battery pack (1) a total negative; the total of the positive electrode is connected to the positive terminal of U2 drives the input solid state relay the battery pack (1) and the other drive input of one end of the discharge control signal output terminal and the synthesized signal acquisition board (2) is connected; a negative electrode connected to the positive terminal of the solid state relay outputs U2 and the load connected to the negative output terminal of the battery pack (1) the total negative electrode.
CN2010105381622A 2010-11-10 2010-11-10 Split type high-power lithium ion battery pack protection system CN102013670A (en)

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US5853908A (en) * 1996-10-29 1998-12-29 Nippon Moli Energy Corp. Protective device for secondary batteries
CN2405363Y (en) * 2000-01-06 2000-11-08 华南理工大学 Arrangement for protecting overcharing/overdischarging for lithium ion battery set for electric vehicle
CN101026297A (en) * 2005-12-23 2007-08-29 有量科技股份有限公司 Lithium cell protecting device
CN201623470U (en) * 2010-01-12 2010-11-03 潍坊光华电池有限公司 Protection circuit of power lithium ion batteries

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853908A (en) * 1996-10-29 1998-12-29 Nippon Moli Energy Corp. Protective device for secondary batteries
CN2405363Y (en) * 2000-01-06 2000-11-08 华南理工大学 Arrangement for protecting overcharing/overdischarging for lithium ion battery set for electric vehicle
CN101026297A (en) * 2005-12-23 2007-08-29 有量科技股份有限公司 Lithium cell protecting device
CN201623470U (en) * 2010-01-12 2010-11-03 潍坊光华电池有限公司 Protection circuit of power lithium ion batteries

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