CN201117742Y - Lithium ion dynamic batteries administrative system - Google Patents

Lithium ion dynamic batteries administrative system Download PDF

Info

Publication number
CN201117742Y
CN201117742Y CNU2007201136112U CN200720113611U CN201117742Y CN 201117742 Y CN201117742 Y CN 201117742Y CN U2007201136112 U CNU2007201136112 U CN U2007201136112U CN 200720113611 U CN200720113611 U CN 200720113611U CN 201117742 Y CN201117742 Y CN 201117742Y
Authority
CN
China
Prior art keywords
connected
voltage monitoring
circuit
battery
cell voltage
Prior art date
Application number
CNU2007201136112U
Other languages
Chinese (zh)
Inventor
宋文涛
李建林
胡矩锋
蒋云飞
荣 雷
Original Assignee
万向集团公司;万向电动汽车有限公司
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 万向集团公司;万向电动汽车有限公司 filed Critical 万向集团公司;万向电动汽车有限公司
Priority to CNU2007201136112U priority Critical patent/CN201117742Y/en
Application granted granted Critical
Publication of CN201117742Y publication Critical patent/CN201117742Y/en

Links

Abstract

The utility model relates to a lithium ion power battery management system which includes a plurality of equalization circuits, a plurality of multiple-circuit battery voltage monitoring chips and an SCM unit connected with all the multiple-circuit battery voltage monitoring chips through a bus; a plurality of batteries form a series circuit; each battery is connected with one equalization circuit in parallel; a plurality of equalization circuits are connected on the voltage monitoring pins of each multiple-circuit battery voltage monitoring chip; the series circuit is connected with a current detecting resistance and a protection circuit in series. The two ends of the current detecting resistance are connected with the current detecting pin of one multiple-circuit battery voltage monitoring chip; the control end of the protection circuit is connected with the SCM unit or connected with the power tube drive pin of one multiple-circuit battery voltage monitoring chip. The utility model has simple circuits, is convenient to be maintained, has the protection functions of overvoltage, over-discharge, over-current and over-heating as well as improves the service and safe performance of the lithium ion power battery group.

Description

锂离子动力电池组管理系统技术领域本实用新型属于电池管理技术领域,尤其涉及一种具有均衡电压、充放电保护功能的锂离子动力电池组管理系统。 BACKGROUND management system lithium-ion battery pack of the present invention belongs to the field of battery technology management, in particular, it relates to a balanced voltage, charge and discharge of the lithium ion battery management system protection function. 背景技术电动汽车作为绿色交通工具,将在21世纪给人类社会带来巨大的变化。 BACKGROUND Electric vehicles as a green transportation, will bring great changes to human society in the 21st century. 发展电动汽车必须解决几项主要关键技术,电池组管理系统就是其中的一项。 The development of electric vehicles must resolve several key technologies, battery management system is one of them. 传统的电池管理系统电路及连线复杂,维修困难,可靠性也低。 Conventional battery management system circuit and interconnection complexity, maintenance difficulties, low reliability. 另一方面,目前锂离子动力电池的技术不是特别成熟,经过多次充放电循环后,各单体电池差异性增大,会直接影响电池的使用寿命与安全。 On the other hand, the current lithium-ion battery technology is not particularly sophisticated, after repeated charge and discharge cycles, the difference of each cell is increased, it will directly affect the life and safety of the battery. 发明内容本实用新型为了克服上述技术问题,提供一种简化电路及连线,便于维修, 提高可靠性,且对单体锂离子动力电池具有均衡保护功能,提高锂离子动力电池组的使用寿命和安全性能的锂离子动力电池组管理系统。 The present invention is to overcome the above technical problems, and to provide a simplified circuit wiring, ease of maintenance, improved reliability, and a monomer having a balanced protection of lithium-ion battery, lithium-ion battery to improve the life of the group, and lithium-ion battery management system safety performance. 本实用新型的上述技术问题主要是通过下述技术方案得以解决的:本实用新型包括若干个均衡电路、若干个多路电池电压监控芯片以及与所有的多路电池电压监控芯片通过总线相连的单片机单元;多节电池组成串联电路,形成电池组正端、电池组负端,每节电池上并联一个均衡电路,每个多路电池电压监控芯片的电压监控引脚上连接有多个均衡电路;所述的串联电路上串联有电流检测电阻、保护电路,电流检测电阻的两端与其中一个多路电池电压监控芯片的电流检测引脚相连,保护电路的控制端与所述的单片机单元相连或与其中一个多路电池电压监控芯片的功率管驱动引脚相连。 The present invention the above technical problem is solved by the following technical scheme: the present invention includes a plurality of equalizing circuits, a plurality of multiple chip and a cell voltage monitoring all of the mux chip microcontroller to monitor the battery voltage connected through a bus unit; a series circuit composed of multi-cell, form a battery pack positive terminal, the negative terminal of the battery, a parallel on each battery equalization circuit, a plurality of equalizing circuits connected to the voltage monitor pins of each cell voltage monitoring multiplexer chip; or series connected to the series circuit of the current detection resistor, and wherein both ends of the protection cell voltage monitoring a multiplexer chip current sense pin is connected to a control terminal of said circuit protection circuit, a current detection resistor unit MCU and wherein a multiplexer cell voltage monitoring chip power transistor drive pin. 事先可以通过将多路电池电压监控芯片与计算机相连,完成均衡电压、过充电压、过放电压、过温保护、 过流保护的设置工作。 In advance can be multiplexed with cell voltage monitoring computer by connecting the chip to complete the equalization voltage, overcharge voltage, over-discharge voltage, over-temperature protection, overcurrent protection setting work. 在电池组充电过程中,电池电压监控芯片的电压监控引脚检测单节锂离子动力电池的电压, 一旦发现任意两节电池之间电压差超过设置的均衡电压,则并联在电压高的电池的两端的均衡电路开始工作,降低电池电压,使各节电池的一致性更好。 In the battery charging process, monitoring the voltage detection pin single lithium ion battery cell voltage monitoring chip, once equilibrium voltage difference between any two of the battery exceeds the set found in the parallel high-voltage battery both ends of the balancing circuit to work, decrease in the battery voltage, the better the consistency of each battery. 通过电流检测电阻,多路电池电压监控芯片获得串联电路中的电流, 一旦电流超过设置的过流保护值,则启动保护电路切断串联电路,停止充放电,实现保护功能。 The current detection resistor, the battery voltage monitoring multiple chips to get the current in the series circuit, overcurrent protection once the current exceeds the set value, the protection circuit is started off a series circuit to stop charging and discharging, to achieve protection. 多路电池电压监控芯片通过总线形式与单片机单元进行数据通讯,电路简单,维修方便,提高可靠性,而且多路电池电压监控芯片的数量不受限制,扩展性更好。 Multiple cell voltage monitoring unit and microcontroller chip via the data communication bus format, the circuit is simple, easy maintenance, improved reliability, and the number of multiple cell voltage monitoring chip is not limited, better scalability. 单片机单元的主要功能是管理多路电池电压监控芯片,对其传上来的数据进行分析处理,并通过标准工业总线,将整组电池组的数据输出。 The main function of the microcontroller is to manage the multiple unit cell voltage monitoring chip, pass up its data analysis, and industry standard bus, the data output of the whole battery group. 作为优选,所述的保护电路为接触器,接触器的控制端与所述的单片机单元的控制输出端相连。 Advantageously, the protection circuit is contact, an output terminal connected to a control terminal of the control contact with the microcontroller unit. 多路电池电压监控芯片获得的电压、电流等各种数据通过总线输送给单片机单元,由单片机单元的内部程序进行处理、分析, 一旦发现过压、过放、过流,立即经控制输出端发出控制信号给接触器,使接触器处于断开状态,断开串联电路,停止对电池充放电,实现保护功能。 Multiple chips obtained cell voltage monitoring voltage, current and other data conveyed by a bus to the microcontroller unit, processed by the internal program unit, analysis, found that once the over-voltage, over-discharge, over-current, immediately sent via the control output terminal control signal to the contactor, the contactor in the open state, disconnecting the series circuit, the battery stops charging and discharging, to achieve protection. 作为优选,所述的保护电路为放电保护M0S管Tf和充电保护M0S管Tc的串联电路;Tf、 Tc的栅极与多路电池电压监控芯片的功率管驱动引脚相连,Tf 的源极既与电池组负端相连,又与Tc的漏极相连,Tc的源极引出形成充电负端。 Advantageously, the protection circuit for the discharge protection tube M0S Tf and Tc charge protection tube M0S series circuit; Tf, Tc is the gate voltage of the battery monitor chip multiplexing power transistors connected to the drive pin, the source of both Tf connected to the negative terminal of the battery, and connected to the drain of Tc, Tc, charge source lead formed negative terminal. 多路电池电压监控芯片经电压监控引脚、电流检测引脚获得电压、电流数据, 并与事先设置的过充电压、过放电压、过流保护的设置值比较, 一旦超过这些设置值,多路电池电压监控芯片的功率管驱动引脚输出控制信号,驱动放电保护M0S管Tf或充电保护MOS管Tc,停止放电或充电,实现保护功能。 Multiple cell voltage monitoring chip is pin voltage monitoring, a current sense input voltage is obtained, the data current, and the charging voltage set in advance, over-discharge voltage, the overcurrent protection set value comparison, more than once these settings, multiple cell voltage monitoring channel power MOSFET chip pin driver output control signal, the drive tube discharge protection M0S Tf or Tc of the charging protection MOS transistor, the charging or discharging is stopped, to achieve protection. 作为优选,所述的均衡电路包括电阻R、 M0S管T;电阻R的一端与电池正极相连,R的另一端与MOS管T的漏极相连,MOS管T的源极与电池负极相连, M0S管T的栅极、电池正极、电池负极与多路电池电压监控芯片的电压监控引脚相连。 Advantageously, said equalizing circuit comprising a resistor R, M0S tube T; the end of the resistor R is connected to the positive electrode of the battery, and the other end connected to the drain and R T of the MOS transistor, the source electrode of the MOS transistor T is connected to the negative electrode of the battery, M0S the gate of the tube T, the battery voltage monitoring a positive electrode, a negative electrode of the battery cell voltage monitoring multiplexer chip pin. 多路电池电压监控芯片的电压监控引脚检测单节电池的电压,在充电过程中,若发现任意两节电池之间电压差超过设置的均衡电压,则输出高电平给与电压高的电池对应的MOS管T的栅极,使T导通,电池向电阻R放电,电池电压降低,实现各电池间的均衡,确保各电池的一致性更好,提高锂离子动力电池组的使用寿命和安全性能。 Voltage multiple cell voltage monitoring chip voltage monitoring pin detecting single cell, in the charging process, if the voltage difference between the equalization of any two of the battery exceeds the set is found, the output high voltage battery to give high corresponding to the gate of the MOS transistor T, so T is turned on, the battery is discharged to the resistor R, the battery voltage decreases, balanced among the cells of each battery to ensure better consistency, improve the life of lithium-ion battery pack, and safety performance. 作为优选,所述的多路电池电压监控芯片的温度测量引脚上连接有温度传感器,所述的温度传感器设于电池附近。 Advantageously, the multiple temperature measurement cell voltage monitoring chip temperature sensor is connected to the pin, the temperature sensor provided in the vicinity of the battery. 温度传感器测量电池组温度,并将温度数据送给多路电池电压监控芯片, 一旦测得的温度值超过事先设置的温度保护值,则由多路电池电压监控芯片或单片机单元输出控制信号给保护电路使之断开,实现过温保护功能。 Temperature sensor measures the temperature of the battery pack, and the temperature data to the multiplexer cell voltage monitoring chip, once the measured temperature exceeds the temperature protection value set in advance, by multiple cell voltage monitoring chip or microcontroller unit outputs a control signal to the protection so that the circuit is disconnected, to achieve over-temperature protection. 作为优选,所述的单片机单元上连接有显示电路。 Advantageously, the microcontroller is connected to a display unit of the circuit. 通过显示电路显示出电池组的电压、电流、温度等各种数据,使用更方便。 By displaying various data display circuit of the battery voltage, current, temperature, etc., easier to use. 作为优选,所述的单片机单元的通讯接口与外部设备相连。 Preferably, the communication interface with external devices connected to the microcontroller unit. 外部设备可以是车载系统、仪表盘等车载设备,电池组的电压、电流、温度等数据还可在车载设备上显示出来,使驾驶员对电池组的工作状态一目了然。 The external device may be a vehicle system, dashboard vehicle device, battery pack voltage, current, temperature and other data may also be displayed on the vehicle-mounted apparatus, the driver of the operating state of the battery pack at a glance. 本实用新型的有益效果是:通过总线将多个多路电池电压监控芯片与单片机单元相连,大大简化了电路及连线,维修方便,可靠性提高。 The beneficial effects of the present invention is: a plurality of multiplexers connected by a bus chip microcontroller cell voltage monitoring unit, and greatly simplifies the circuit wiring, easy maintenance, improved reliability. 通过并联在单节电池上的均衡电路,确保了充电时各节电池电压的一致性,提高锂离子动力电池组的使用寿命和安全性能。 Connected in parallel by single-cell balancing circuits, to ensure the consistency of each battery voltage during charging, improve service life and safety performance of the lithium-ion battery pack. 接触器或者由放电保护M0S管、充电保护M0S管组成的保护电路,确保在电池组过压、过放、过流、过温等不正常工作状态时切断电池组组成的串联电路,停止充放电,实现保护功能,确保锂离子动力电池组的安全使用。 A contact or a series circuit comprising a discharge protection M0S tube, the charging protection circuit for protecting M0S tubes ensure that the overpressure in the battery pack, over-discharge, cutting and battery pack when an abnormal operating state over-current, over-temperature, and stops the charge and discharge achieve protection to ensure safe use of lithium-ion battery pack. 附图说明图1是本实用新型的一种电路连接框图。 BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a block diagram of the present invention is connected to a circuit. 图2是本实用新型中均衡电路的一种电路连接图。 FIG 2 is a circuit connection diagram of the present invention in the equalization circuit. 图3是本实用新型的又一种电路连接框图。 FIG 3 is a circuit block diagram of a further connector according to the present invention. 图中l.均衡电路,2.多路电池电压监控芯片,3.总线,4.单片机单元,5. 电池组正端,6.电池组负端,7.电流检测电阻,8.接触器,9.充电负端,10.温度传感器,ll.显示电路,12.外部设备。 FIG l. Equalization circuit 2 multiplexer cell voltage monitoring chip 3. Bus 4. Microcontroller unit 5. The battery pack positive terminal 6 of the battery pack negative terminal 7. The current detection resistor 8. Contactor, 9. The charging negative terminal 10. The temperature sensor, LL. display circuit 12 external devices. 具体实施方式下面通过实施例,并结合附图,对本实用新型的技术方案作进一步具体的说明。 DETAILED DESCRIPTION The following examples, in conjunction with the accompanying drawings, the present invention further aspect specifically described. 实施例l:本实施例的锂离子动力电池组管理系统,如图l、图2所示,包括nX13个均衡电路l、 n个多路电池电压监控芯片2以及与n个多路电池电压监控芯片2通过总线3相连的单片机单元4。 Embodiment Example l: lithium-ion battery management system according to the present embodiment, as shown in FIG l, FIG, an equalizing circuit including nX13 l, n multiplexers cell voltage monitoring chip 2 and the n multiplexed cell voltage monitoring 2 chip 24 via a bus 3 is connected to the microcontroller unit. nX13个电池组成串联电路,形成电池组正端5、电池组负端6,每节电池上并联一个均衡电路l。 nX13 battery composed of a series circuit formed equalization circuit 5 l battery positive terminal, the negative terminal of the battery 6, on a parallel with each battery. 均衡电路l包括电阻R、 MOS管T,电阻R的一端与电池正极相连,R的另一端与MOS管T的漏极相连,M0S管T的源极与电池负极相连,MOS管T的栅极、电池正极、电池负极与多路电池电压监控芯片2的电压监控引脚相连。 Balancing circuit includes a resistance R l, T MOS transistor, one end of the resistor R is connected to the positive electrode of the battery, and the other end connected to the drain of the MOS R T of the tube, the tube T M0S source electrode is connected to the negative electrode of the battery, the gate of the MOS transistor T , battery positive electrode, a negative electrode of the battery cell voltage monitoring multiplexer chip voltage monitor connected to pins 2. 每个多路电池电压监控芯片2的电压监控引脚上连接有十三个均衡电路1, 一个多路电池电压监控芯片2最多可以监控十三节电池,十三节电池组成一个电池小组,每个电池小组的附近安装有温度传感器10,温度传感器10接多路电池电压监控芯片2的温度测量引脚。 Each multiplex cell voltage monitoring chip connection pin 2 of the voltage monitoring thirteen equalization circuit 1, a multiplexing chip 2 cell voltage monitoring section may monitor up to thirteen batteries, a battery group composed of thirteen battery each Panel mounted near the battery temperature sensor 10, a temperature sensor 10 connected to the multiplexer cell voltage monitoring chip temperature measured at the pin 2. 串联电路上串联有电流检测电阻7、接触器8,电流检测电阻7的两端与第n个多路电池电压监控芯片2的电流检测引脚相连,接触器8的控制端与单片机单元4的控制输出端相连。 A series circuit connected in series with a current detecting resistor 7, the contactor 8, both ends of the current detection resistor 7 is connected to the n-th multiplexed cell voltage monitoring current detection pin 2 of chip, a control terminal of the contactor 8 and the microcontroller unit 4 a control terminal connected to the output. 单片机单元4上连接有显示电路11,单片机单元4的通讯接口与电动汽车的车载系统、仪表盘等外部设备12相连。 Microcontroller unit 4 connected external device with a display circuit 11, and the communication interface unit MCU electric vehicle onboard system 4, is connected to instrument panel 12. 本实用新型在安装到电动汽车上之前,先将多路电池电压监控芯片与计算机相连,完成均衡电压、过充电压、过放电压、过温、过流等参数的设置工作, 然后再装到电动汽车上。 Before the present invention is mounted on an electric vehicle, the first multiplexer is connected to the battery voltage monitoring computer chip, the voltage equalization is completed, charging voltage, over-discharge voltage, setting the operating parameters over temperature, over current, and then loaded into electric car on. 在电池组充电过程中,实现电池组的全程均衡,当多路电池电压监控芯片检测到任意两节电池之间电压差超过30mV,则输出控制信号给与高电压电池对应的MOS管T的栅极,使该MOS管导通,电池电压向与之相连的电阻放电,从而降低电池电压,保持各节电池之间的一致性。 In the process of charging the battery pack, to achieve full equalization of the battery pack, when the voltage difference between the battery voltage monitoring multiplexer chip detects any two batteries exceeds 30mV, MOS tube T gate control signal corresponding to the given high-voltage battery output electrode so that the MOS transistor is turned on, the resistance of the battery connected thereto to the discharge voltage, thereby reducing the cell voltage, to maintain consistency between each cell. 单片机单元的主要功能是管理n个多路电池电压监控芯片,对由n个多路电池电压监控芯片传上来的数据进行分析处理,并通过标准工业总线,将整组电池组的电压、电流、温度等数据输给车载系统、仪表盘等外部设备。 The main function of microcontroller unit that manages the n multiplexed cell voltage monitoring chip, for transmission by n multiplexing cell voltage monitoring chip in order to analyze the data processed by standard industry bus, the whole battery pack voltage, current, temperature and other data loss to an external device vehicle system, dashboard. 通常我们设置的过充电压为4.25V,过放电压为2.80V,当有一节电池电压超过预先设置的过充电压或低于过放电压时,单片机单元的控制输出端输出控制信号给接触器,使之断开,切断串联电路,停止充放电。 Typically we set the charging voltage of 4.25V, 2.80V over-discharge voltage, when the battery voltage exceeds a preset overcharge voltage or lower than the over-discharge voltage when the control output of the output control signal to the microcontroller unit contacts device, so that off, cut off the series circuit, the charge and discharge is stopped. 在充电过程和放电过程中,同时实时检测电流和温度,如果电流和温度超过设定值,则单片机单元的控制输出端也输出控制信号给接触器,使之断开, 切断串联电路,停止充放电,实现保护功能。 During charging and discharging, while real-time detection and the current temperature, current, and if the temperature exceeds the set value, the control output of the microcontroller unit is also outputs a control signal to the contactor, so that off, cut off the series circuit, the charging is stopped discharge, achieve protection. 本实用新型具有以下功能:1.能同时监控电池组内每块电池电压、电池小组总电压及整个电池组的总电压2. 能监控电池组的充放电电流,并具有过流和短路保护功能。 The present invention has the following features: 1 can simultaneously monitor each battery voltage, battery voltage and total voltage of the panel to the entire battery pack to monitor the battery pack 2. The charge and discharge current of the battery pack, and having a function of overcurrent and short circuit protection . 3. 能自动识别并监控电池组充放电过程中每节单体电池电压,能多点检测整个电池组内部温度,并具有过充、过放、过流、短路、过温保护等功能。 3 can automatically identify each section to monitor the cell voltage during the charging and discharging of the battery, can detect the internal temperature of the entire multi-cell stack, and with overcharge, overdischarge, overcurrent, short circuit, over-temperature protection. 4. 在充电时能够自动开启均衡电路,降低单体电压过高的电池电压,最大限度平衡电池组内每节电池电压,使之保持一致。 4 can be automatically turned on when the charge equalization circuit, reducing the cell voltage of the battery voltage is too high, the maximum balance of each battery cell voltage, to be consistent. 5. 可选配如RS232、 RS485、 CAN等标准工业总线接口。 5. Optional as RS232, RS485, CAN bus and other industry standard interfaces. 6. 需要管理的电池数量不受限制,可扩充为任何组:即对几十、几百甚至更多电池组进行管理。 6. The number of cells need to manage unlimited, can be expanded to any group: the dozens, hundreds, or even more battery management. 实施例2:本实施例的锂离子动力电池组管理系统,如图3所示,多个电池组成的串联电路上串联有放电保护MOS管Tf和充电保护MOS管Tc; Tf、 Tc的栅极与第n个多路电池电压监控芯片2的功率管驱动引脚相连,Tf的源极既与电池组负端6相连,又与Tc的漏极相连,Tc的源极引出形成充电负端9。 Example 2: lithium-ion battery management system according to the present embodiment, as shown, a plurality of cells connected in series to a series circuit composed of the MOS transistor 3 has a discharge protection MOS transistor Tf and Tc charge protection; Tf, Tc, the gate the n-th cell voltage monitoring multiplexer chip 2 is connected to the drive pin of the power tube, Tf of the source of both the battery pack is connected to the negative terminal 6, and connected to the drain of Tc, Tc, charge source lead formed negative terminal 9 . 通常我们设置的过充电压为4.25V,过放电压为2.80V。 Overcharge Usually we set the pressure of 4.25V, over-discharge voltage of 2.80V. 在电池组充电过程中,如果其中有一节电池电压超过4. 25V,则多路电池电压监控芯片2的功率管驱动引脚输出控制信号使充电保护MOS管Tc断开,停止充电。 In the battery charging process, if there is a battery voltage which exceeds 4. 25V, the power transistor drive pin outputs a control signal multiplexer cell voltage monitoring chip 2 is protected by the charging MOS transistor Tc is turned off, to stop charging. 在电池组放电过程中,如果其中有一节电池电压低于2. 80V,则多路电池电压监控芯片2的功率管驱动引脚输出控制信号使放电保护MOS管Tf断开,停止放电。 During discharge of the battery, wherein if there is a battery voltage is lower than 2. 80V, the power transistor drive pin output multiplexer control signal 2 of cell voltage monitoring chip discharge protection MOS transistor Tf OFF to stop discharging. 实现电池的过充、过放保护功能,提高锂离子动力电池组的使用寿命和安全性能。 Achieve battery overcharge, over-discharge protection function, improve service life and safety performance of the lithium-ion battery pack. 其余的同实施例l。 Example l with the remaining embodiments.

Claims (7)

1.一种锂离子动力电池组管理系统,其特征在于包括若干个均衡电路(1)、若干个多路电池电压监控芯片(2)以及与所有的多路电池电压监控芯片(2)通过总线(3)相连的单片机单元(4);多节电池组成串联电路,形成电池组正端(5)、电池组负端(6),每节电池上并联一个均衡电路(1),每个多路电池电压监控芯片(2)的电压监控引脚上连接有多个均衡电路(1);所述的串联电路上串联有电流检测电阻(7)、保护电路,电流检测电阻(7)的两端与其中一个多路电池电压监控芯片(2)的电流检测引脚相连,保护电路的控制端与所述的单片机单元(4)相连或与其中一个多路电池电压监控芯片(2)的功率管驱动引脚相连。 A lithium-ion battery management system, comprising a plurality of equalizing circuits (1), a plurality of cell voltage monitoring multiplexer chip (2), and with all of the multiple cell voltage monitoring chip (2) by a bus (3) connected to the microcontroller unit (4); a battery pack positive terminal (5), the negative terminal of the battery pack (6), a balanced parallel circuit (1) on each battery, a series circuit composed of multi-cell battery, each multi formed Link cell voltage monitoring chip (2) a plurality of voltage monitoring pin equalization circuit (1); a current detection resistor connected in series (7) of the series circuit of the protection circuit, a current detection resistor (7) of the two is connected with one end of the cell voltage monitoring multiplexer chip (2) is a current sense input, a control terminal of the protection circuit and the microcontroller unit (4) is connected with one or multiple cell voltage monitoring chip (2) power tube drive pin is connected.
2. 根据权利要求1所述的锂离子动力电池组管理系统,其特征在于所述的保护电路为接触器(8),接触器(8)的控制端与所述的单片机单元(4)的控制输出端相连。 The lithium-ion battery management system according to claim 1, characterized in that said protection circuit contactor (8), the contactor control terminal (8) and said microcontroller means (4) a control terminal connected to the output.
3. 根据权利要求1所述的锂离子动力电池组管理系统,其特征在于所述的保护电路为放电保护MOS管Tf和充电保护MOS管Tc的串联电路;Tf、 Tc的栅极与多路电池电压监控芯片(2)的功率管驱动引脚相连,Tf的源极既与电池组负端(6)相连,又与Tc的漏极相连,Tc的源极引出形成充电负端(9)。 The lithium-ion battery management system according to claim 1, characterized in that the discharge protection circuit of the protection MOS transistor Tf and Tc charge protection MOS transistor series circuit; Tf, Tc is a gate multiplexer cell voltage monitoring chip (2) a driving pin of power tube, Tf of the source of both the negative terminal of the battery pack (6) is connected, in turn connected to the drain of Tc, Tc, charge source lead formed negative terminal (9) .
4. 根据权利要求1或2或3所述的锂离子动力电池组管理系统,其特征在于所述的均衡电路(1)包括电阻R、 M0S管T;电阻R的一端与电池正极相连, R的另一端与M0S管T的漏极相连,M0S管T的源极与电池负极相连,M0S管T 的栅极、电池正极、电池负极与多路电池电压监控芯片(2)的电压监控引脚相连。 The lithium-ion battery management system of claim 1 or 2 or as claimed in claim 3, wherein said equalization circuit (1) comprises a resistor R, M0S tube T; end of the resistor R is connected to the positive electrode of the battery, R the other end of tube T is connected to the drain M0S source M0S tube T is connected to the negative electrode of the battery, the gate M0S tube T, battery positive electrode, a negative electrode of the battery cell voltage monitoring multiplexer chip (2) of the voltage monitoring pin connected.
5. 根据权利要求1或2或3所述的锂离子动力电池组管理系统,其特征在于所述的多路电池电压监控芯片(2)的温度测量引脚上连接有温度传感器(10),所述的温度传感器(10)设于电池附近。 The lithium-ion battery management system of claim 1 or 2 or as claimed in claim 3, characterized in that the temperature sensor is connected (10) to said multiplexed cell voltage monitoring chip (2) temperature measured at the pin, said temperature sensor (10) provided in the vicinity of the battery.
6. 根据权利要求1或2或3所述的锂离子动力电池组管理系统,其特征在于所述的单片机单元(4)上连接有显示电路(11)。 The lithium-ion battery management system of claim 1 or 2 or as claimed in claim 3, characterized in that the microcontroller unit is connected to a display circuit (11) (4).
7. 根据权利要求1或2或3所述的锂离子动力电池组管理系统,其特征在于所述的单片机单元(4)的通讯接口与外部设备(12)相连。 The lithium-ion battery management system of claim 1 or 2 or as claimed in claim 3, characterized in that connected to the microcontroller unit (4) communication interface with external devices (12).
CNU2007201136112U 2007-08-22 2007-08-22 Lithium ion dynamic batteries administrative system CN201117742Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201136112U CN201117742Y (en) 2007-08-22 2007-08-22 Lithium ion dynamic batteries administrative system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201136112U CN201117742Y (en) 2007-08-22 2007-08-22 Lithium ion dynamic batteries administrative system

Publications (1)

Publication Number Publication Date
CN201117742Y true CN201117742Y (en) 2008-09-17

Family

ID=39992326

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201136112U CN201117742Y (en) 2007-08-22 2007-08-22 Lithium ion dynamic batteries administrative system

Country Status (1)

Country Link
CN (1) CN201117742Y (en)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101976876A (en) * 2010-11-18 2011-02-16 无锡东海新能源科技有限公司 Device and method for equalizing batteries in charging process
CN102097844A (en) * 2011-01-17 2011-06-15 余维 Intelligent battery management system
CN102097838A (en) * 2010-12-24 2011-06-15 余维 Elementary unit for intelligent battery management system
CN102122834A (en) * 2011-04-08 2011-07-13 武汉理工大学 Power battery management chip supporting multi-series connection
CN102130360A (en) * 2011-01-28 2011-07-20 华为技术有限公司 Lithium battery module
CN102136748A (en) * 2011-02-17 2011-07-27 厦门市国维电子科技有限公司 Electric quantity transfer circuit
CN102231550A (en) * 2011-07-05 2011-11-02 张化锴 Active charge/discharge balancing system of power battery and implementation method thereof
CN102270885A (en) * 2010-06-04 2011-12-07 Abb公司 Method and arrangement for balancing voltages of series connection of storage units for electrical energy
CN102270868A (en) * 2010-07-14 2011-12-07 华霆动力 Recording system, recording method and machine readable program storage device
CN102375098A (en) * 2010-08-10 2012-03-14 光宝动力储能科技股份有限公司 Detection module and detection method of battery equalizer
CN102403544A (en) * 2010-09-08 2012-04-04 三星Sdi株式会社 Secondary battery pack
CN102522727A (en) * 2012-01-11 2012-06-27 东莞市钜大电子有限公司 PMC (PCI Mezzanine Card) drive circuit
CN101777781B (en) * 2009-12-30 2012-07-04 湖南科力远高技术控股有限公司 Electromobile modularization battery management system
CN102623760A (en) * 2011-01-26 2012-08-01 上海樟村电子有限公司 Battery management system
CN102844959A (en) * 2010-04-16 2012-12-26 株式会社Lg化学 Battery management system and method for transferring data within battery management system
CN103257699A (en) * 2013-05-17 2013-08-21 天宇通讯科技(昆山)有限公司 Notebook computer battery intelligent control circuit
CN104979883A (en) * 2015-08-07 2015-10-14 杭州业旭电器科技有限公司 Storage battery voltage balance management system
CN105259494A (en) * 2015-10-27 2016-01-20 北京新能源汽车股份有限公司 Testing device and method of cell balancing circuit
CN105375582A (en) * 2015-12-09 2016-03-02 合肥国盛电池科技有限公司 Load self-inspection based lithium battery pack control system
CN105895843A (en) * 2016-06-23 2016-08-24 广州益维电动汽车有限公司 Intelligent lithium ion battery module
CN105958137A (en) * 2016-06-23 2016-09-21 广州益维电动汽车有限公司 Heat balance management system for lithium-ion battery module
CN105978094A (en) * 2016-06-23 2016-09-28 广州益维电动汽车有限公司 Equalizing charge control system for lithium ion battery module
CN106026262A (en) * 2016-06-23 2016-10-12 广州益维电动汽车有限公司 Lithium ion battery module safety protection system
WO2016192515A1 (en) * 2015-06-02 2016-12-08 中投仙能科技(苏州)有限公司 Battery pack, and charging management system and method
CN106300280A (en) * 2016-10-19 2017-01-04 上海空间电源研究所 A kind of lithium electricity collecting unit isolating and protecting device
CN107589382A (en) * 2017-10-25 2018-01-16 宁夏黑金昊源绿能科技有限公司 A kind of detection means of battery surplus and health status

Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101777781B (en) * 2009-12-30 2012-07-04 湖南科力远高技术控股有限公司 Electromobile modularization battery management system
CN102844959B (en) * 2010-04-16 2015-03-11 株式会社Lg化学 Battery management system and method for transferring data within battery management system
CN102844959A (en) * 2010-04-16 2012-12-26 株式会社Lg化学 Battery management system and method for transferring data within battery management system
CN102270885A (en) * 2010-06-04 2011-12-07 Abb公司 Method and arrangement for balancing voltages of series connection of storage units for electrical energy
US8970063B2 (en) 2010-06-04 2015-03-03 Abb Oy Method and arrangement for balancing voltages of series connection of storage units for electrical energy
US8659261B2 (en) 2010-07-14 2014-02-25 Sinoelectric Powertrain Corporation Battery pack enumeration method
CN102270868A (en) * 2010-07-14 2011-12-07 华霆动力 Recording system, recording method and machine readable program storage device
CN102270868B (en) * 2010-07-14 2014-07-16 华霆动力 Recording system and recording method
CN102375098A (en) * 2010-08-10 2012-03-14 光宝动力储能科技股份有限公司 Detection module and detection method of battery equalizer
CN102403544B (en) * 2010-09-08 2014-11-05 三星Sdi株式会社 Secondary battery pack
US9088163B2 (en) 2010-09-08 2015-07-21 Samsung Sdi Co., Ltd. Secondary battery pack
CN102403544A (en) * 2010-09-08 2012-04-04 三星Sdi株式会社 Secondary battery pack
CN101976876A (en) * 2010-11-18 2011-02-16 无锡东海新能源科技有限公司 Device and method for equalizing batteries in charging process
CN102097838A (en) * 2010-12-24 2011-06-15 余维 Elementary unit for intelligent battery management system
CN102097844B (en) * 2011-01-17 2015-08-19 余维 A kind of Intelligent battery management system
CN102097844A (en) * 2011-01-17 2011-06-15 余维 Intelligent battery management system
CN102623760A (en) * 2011-01-26 2012-08-01 上海樟村电子有限公司 Battery management system
CN102130360A (en) * 2011-01-28 2011-07-20 华为技术有限公司 Lithium battery module
CN102136748A (en) * 2011-02-17 2011-07-27 厦门市国维电子科技有限公司 Electric quantity transfer circuit
CN102122834A (en) * 2011-04-08 2011-07-13 武汉理工大学 Power battery management chip supporting multi-series connection
CN102122834B (en) * 2011-04-08 2013-03-20 武汉理工大学 Power battery management chip supporting multi-series connection
CN102231550B (en) * 2011-07-05 2014-11-19 张化锴 Active charge/discharge balancing system of power battery and implementation method thereof
CN102231550A (en) * 2011-07-05 2011-11-02 张化锴 Active charge/discharge balancing system of power battery and implementation method thereof
CN102522727B (en) * 2012-01-11 2015-05-06 东莞市钜大电子有限公司 PMC (PCI Mezzanine Card) drive circuit
CN102522727A (en) * 2012-01-11 2012-06-27 东莞市钜大电子有限公司 PMC (PCI Mezzanine Card) drive circuit
CN103257699A (en) * 2013-05-17 2013-08-21 天宇通讯科技(昆山)有限公司 Notebook computer battery intelligent control circuit
WO2016192515A1 (en) * 2015-06-02 2016-12-08 中投仙能科技(苏州)有限公司 Battery pack, and charging management system and method
CN104979883A (en) * 2015-08-07 2015-10-14 杭州业旭电器科技有限公司 Storage battery voltage balance management system
CN105259494B (en) * 2015-10-27 2018-04-03 北京新能源汽车股份有限公司 The test device and method of battery equalizing circuit
CN105259494A (en) * 2015-10-27 2016-01-20 北京新能源汽车股份有限公司 Testing device and method of cell balancing circuit
CN105375582A (en) * 2015-12-09 2016-03-02 合肥国盛电池科技有限公司 Load self-inspection based lithium battery pack control system
CN105978094A (en) * 2016-06-23 2016-09-28 广州益维电动汽车有限公司 Equalizing charge control system for lithium ion battery module
CN106026262A (en) * 2016-06-23 2016-10-12 广州益维电动汽车有限公司 Lithium ion battery module safety protection system
CN105895843A (en) * 2016-06-23 2016-08-24 广州益维电动汽车有限公司 Intelligent lithium ion battery module
CN105958137A (en) * 2016-06-23 2016-09-21 广州益维电动汽车有限公司 Heat balance management system for lithium-ion battery module
CN105958137B (en) * 2016-06-23 2019-05-14 广州益维电动汽车有限公司 A kind of lithium ion battery mould group thermal balance management system
CN106300280A (en) * 2016-10-19 2017-01-04 上海空间电源研究所 A kind of lithium electricity collecting unit isolating and protecting device
CN107589382A (en) * 2017-10-25 2018-01-16 宁夏黑金昊源绿能科技有限公司 A kind of detection means of battery surplus and health status

Similar Documents

Publication Publication Date Title
CN105137336B (en) Detect the diagnostic method of electric automobile high-voltage relay failure
US8552686B2 (en) Battery control apparatus and method
KR101470553B1 (en) Apparatus and method for measuring isolation resistance of battery
CN102205800B (en) Intelligent battery management system of electric car
US9673640B2 (en) Battery system monitoring apparatus and electric storage device including the same for balancing a plurality of battery cells by discharging them based on voltage dependent turn-on resistance adapting of the balancing switch
CN103283062B (en) For the apparatus and method of administration battery pack
CN102460820B (en) System and method for a battery pack output contactor
US8232768B2 (en) System and method for balancing battery cells
CN101025436B (en) High-voltage safety monitoring device for electric automobile
CN100495805C (en) Method for forming battery running system of electric vehicle and system
US8174237B2 (en) Battery module
CN100458756C (en) Management system of power battery for mixed-power automobile
CN103208828B (en) A kind of series-connected cell group management system
EP2734852B1 (en) Battery management system and method for determining the charge state battery cells, battery and motor vehicle comprising a battery management system
CN100486032C (en) Collective and distributive type power batteries dynamic equilibria management system
CN101752624B (en) Equalizing charge method and equalizing charge device for battery
WO2014045666A1 (en) Battery pack and electric vehicle
US8587256B2 (en) Battery management system and driving method for the system
TW201121189A (en) Safety and performance optimized controls for large scale electric vehicle battery systems
CN103935260A (en) Battery managing method based on battery safety protection
WO2011134303A1 (en) Management system for lithium battery
CN201360156Y (en) Charging and discharging management system for improving safety and service life of series-connected battery set
JP2003219572A (en) Battery pack system
CN1770586A (en) Power supply controller, electric vehicle and battery control unit
CN101312293A (en) Power lithium battery intelligent management system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
CF01