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1. 发明专利

JP2014014265A Multi-series battery control system 有权
标题翻译：多系列电池控制系统
公开(公告)号：JP2014014265A
公开(公告)日：2014-01-23
申请号：JP2013172200
申请日：2013-08-22
申请人： Hitachi Ltd , 株式会社日立製作所 , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社
发明人： EMORI AKIHIKO , KAWAHARA YOHEI , SAKABE HIROSHI , KIKUCHI MUTSUMI , YAMAUCHI TATSUMI , KUDO AKIHIKO
IPC分类号： H02J7/02 , H01M10/42
CPC分类号： H02J7/0019 , H02J7/0022 , Y02T10/7055
摘要： PROBLEM TO BE SOLVED: To provide a multi-series battery control system that allows an address setting of an individual integrated circuit to be performed without using wirings and confirming that the address setting is properly performed.SOLUTION: In a multi-series battery control system, a battery control device: outputs an initialization signal for initializing addresses of all integrated circuits to initial values to the first integrated circuit; and, subsequently, outputs an address setting message including: transfer data; a data generation command that commands generating new transfer data from the transfer data on the basis of a predetermined data generation rule; and an address setting command that commands the address setting on the basis of the predetermined address setting rule, the command-execution target address being the initial value, to the first integrated circuit. Each integrated circuit transmits the received address setting message as it is when the command-execution target address is different from an own address.
摘要翻译：要解决的问题：提供一种多串联电池控制系统，其允许在不使用布线的情况下执行单个集成电路的地址设置，并且确认地址设置被正确执行。解决方案：在多系列电池控制系统电池控制装置：将用于将所有集成电路的地址初始化为初始值的初始化信号输出到第一集成电路; 并且随后输出包括：传送数据的地址设置消息; 数据生成命令，基于预定的数据生成规则，从传送数据生成新的传送数据; 以及地址设定命令，其将基于预定地址设定规则的地址设定命令执行对象地址作为初始值指定给第一集成电路。当命令执行目标地址与自己的地址不同时，每个集成电路按原样发送接收到的地址设置消息。

2. 发明专利

JP2013165640A Battery system for vehicle, on-vehicle battery module, and cell controller 审中-公开
标题翻译：车用电池系统，车载电池模块和电池控制器
公开(公告)号：JP2013165640A
公开(公告)日：2013-08-22
申请号：JP2013055441
申请日：2013-03-18
申请人： Hitachi Ltd , 株式会社日立製作所 , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社
发明人： KUBO KENJI , KUDO AKIHIKO , KIKUCHI MUTSUMI , EMORI AKIHIKO
IPC分类号： H02J7/02 , B60L3/00 , G01R19/00 , G01R31/36 , H01M2/10 , H01M10/48 , H02J7/00
CPC分类号： B60L11/1879 , B60L11/1855 , B60L11/1866 , G01R19/16542 , G01R31/026 , G01R31/36 , G01R31/3637 , G01R31/3658 , G01R35/00 , H02J7/0021 , H02J7/0026 , Y02T10/7005 , Y02T10/7061 , Y02T90/16
摘要： PROBLEM TO BE SOLVED: To provide a more reliable battery system for a vehicle.SOLUTION: The battery system for a vehicle includes: integrated circuits 3A-3N provided individually corresponding to respective cell groups GB1-GBN of a battery part 9, in which terminal voltage of respective battery cells BC1-BC4 in the corresponding cell groups GB1-GBN is inputted and the inputted terminal voltage is measured; and signal transmission paths 52, 54 which connect between the integrated circuits 3A-3N or between the integrated circuits 3A-3N and an external circuit 20. The respective integrated circuits 3A-3N provided for each cell group GB1-GBN include: a selection circuit which selects the terminal voltage of the battery cell which is to be measured from the inputted terminal voltage; an A/D converter which performs analog-digital conversion of the terminal voltage selected by the selection circuit; an abnormality diagnostic circuit which diagnoses an abnormality state in the integrated circuit; and a communication circuit which transmits the analog-digital converted terminal voltage by the A/D converter and a diagnostic result obtained by the abnormality diagnostic circuit through the signal transmission paths 52, 54.
摘要翻译：要解决的问题：为车辆提供更可靠的电池系统。解决方案：用于车辆的电池系统包括：分别对应于电池部分9的各个电池组GB1-GBN设置的集成电路3A-3N，其中终端输入相应的单元组GB1-GBN中的各个电池单元BC1-BC4的电压，并测量输入的端子电压; 以及连接在集成电路3A-3N之间或集成电路3A-3N之间或外部电路20之间的信号传输路径52,54。为每个单元组GB1-GBN提供的各集成电路3A-3N包括：选择电路其从输入的端子电压中选择要测量的电池单元的端子电压; A / D转换器，对由选择电路选择的端子电压进行模数转换; 诊断集成电路中的异常状态的异常诊断电路; 以及通过A / D转换器发送模拟数字转换的端子电压的通信电路和通过信号传输路径52,54由异常诊断电路获得的诊断结果。

3. 发明专利

JP2013085468A Battery system and battery cell control integrated circuit 有权
标题翻译：电池系统和电池单元控制集成电路
公开(公告)号：JP2013085468A
公开(公告)日：2013-05-09
申请号：JP2012264203
申请日：2012-12-03
申请人： Hitachi Ltd , 株式会社日立製作所 , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社
发明人： SAKABE HIROSHI , EMORI AKIHIKO , KUDO AKIHIKO , KUBO KENJI , KAWAHARA YOHEI , KIKUCHI MUTSUMI , YAMAUCHI TATSUMI
IPC分类号： H02J7/02 , G01R19/00 , H01M10/42 , H01M10/44 , H01M10/48
CPC分类号： H02J7/0021 , B60L3/0046 , B60L11/1861 , B60L11/1866 , B60L11/1879 , B60L2240/545 , B60L2240/547 , B60L2240/549 , G01R31/026 , G01R31/362 , G01R31/3648 , G01R31/3658 , G01R35/00 , H02J7/0022 , Y02T10/7005 , Y02T10/7011 , Y02T10/7044 , Y02T10/7055 , Y02T10/7061 , Y02T90/16
摘要： PROBLEM TO BE SOLVED: To provide an on-vehicle power supply system which, by improving the reliability of an integrated circuit, has made it possible to improve the reliability of a lithium battery cell controller and further the reliability of the on-vehicle power supply system.SOLUTION: The on-vehicle power supply system comprises: a lithium battery module composed of a plurality of lithium battery cell groups connected in series, a plurality of which are further connected in series; a plurality of integrated circuits which are installed one for one in each of the lithium battery cell groups; and transmission lines connecting each integrated circuit. The integrated circuits each include a selection circuit which selects the terminal voltage of each of the plurality of lithium battery cells, an analog digital converter which converts the selected terminal voltage into a digital value, a voltage generation circuit which generates a known voltage, and a digital generation circuit which generates a digital value representing a known relative magnitude of the known voltage. The digital value derived from the conversion and the digital value generated by the digital generation circuit are compared in a digital comparison circuit, and when the comparison result differs from the known relative magnitude, an error signal representing abnormality is sent out from the transmission line.
摘要翻译：解决的问题：提供一种车载电源系统，通过提高集成电路的可靠性，能够提高锂电池单元控制器的可靠性，车辆供电系统。解决方案：车载电源系统包括：由串联连接的多个锂电池单元组构成的锂电池模块，其中多个串联连接; 在每个锂电池单元组中一个一个地安装的多个集成电路; 以及连接各集成电路的传输线。集成电路各自包括选择多个锂电池单元的端子电压的选择电路，将选择的端子电压转换为数字值的模拟数字转换器，产生已知电压的电压产生电路，以及数字生成电路，其产生表示已知电压的已知相对幅度的数字值。在数字比较电路中比较从转换得到的数字值和由数字生成电路产生的数字值，当比较结果与已知的相对幅度不同时，从传输线发出表示异常的误差信号。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2009089486A Multiple series battery control system 有权
标题翻译：多系列电池控制系统
公开(公告)号：JP2009089486A
公开(公告)日：2009-04-23
申请号：JP2007253655
申请日：2007-09-28
申请人： Hitachi Ltd , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社 , 株式会社日立製作所
发明人： EMORI AKIHIKO , KAWAHARA YOHEI , SAKABE HIROSHI , KIKUCHI MUTSUMI , YAMAUCHI TATSUMI , KUDO AKIHIKO
IPC分类号： H02J7/00 , H01M10/48 , H02J7/02
CPC分类号： H02J7/0019 , H02J7/0022 , Y02T10/7055
摘要： PROBLEM TO BE SOLVED: To provide a multiple series battery control system which can perform the address setting of each integrated circuit without wiring. SOLUTION: The multiple battery control system includes a battery cell group, where a plurality of battery cells connected in series constitute a unit, an integrated circuit, which controls the battery cell group corresponding to it, and a controller, which transfers a signal wit each integrated circuit. Each integrated circuit is constituted to receive input by the reception from the controller in the first integrated circuit, to repeat, about the output from the first integrated circuit, input ant output to other integrated circuits in order, and to make the last integrated circuit send the output to the controller. The multiple battery control system includes a setting means where different messages are sent from the controller, whereby the initialized address of the integrated circuit is rewritten, thereafter it is changed into a message where the initialized address is not rewritten in other integrated circuits, and the above step is repeated, whereby the addresses of the integrated circuits are set in order. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供可以在没有布线的情况下执行每个集成电路的地址设置的多系列电池控制系统。解决方案：多电池控制系统包括串联连接的多个电池单元的电池单元组，控制与其对应的电池单元组的集成电路，以及控制器，其将每个集成电路的信号。每个集成电路构成为通过来自第一集成电路中的控制器的接收来接收输入，重复关于来自第一集成电路的输出，依次向其他集成电路输入蚂蚁输出，并使最后的集成电路发送输出到控制器。多电池控制系统包括一个设置装置，其中从控制器发送不同的消息，由此重写集成电路的初始化地址，此后将其改变成其他集成电路中未重写初始化地址的消息，重复上述步骤，由此依次设置集成电路的地址。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2006262647A Apparatus controller 审中-公开
标题翻译：装置控制器
公开(公告)号：JP2006262647A
公开(公告)日：2006-09-28
申请号：JP2005077619
申请日：2005-03-17
申请人： Hitachi Ltd , Hitachi Vehicle Energy Ltd , Shin Kobe Electric Mach Co Ltd , 新神戸電機株式会社 , 日立ビークルエナジー株式会社 , 株式会社日立製作所
发明人： EMORI AKIHIKO , YAMAUCHI SHIYUUKO , ANDO KAZUMASA , KAWADA TAKAHIRO , IZUMI SHIHO
IPC分类号： H02J7/00 , B60H1/22 , B60L11/14 , B60R16/02 , B60R16/033 , B60R16/04 , F02D29/02 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus controller capable of performing control with good responsibility, by shortening the start time of a calculation processing means and of reducing the number of components, especially of electronic apparatus controller that is used as a battery controller for a battery power source, a power source controller, a temperature adjustment controller, and the like. SOLUTION: This apparatus controller is provided with a detection means for detecting physical quantities (voltage, current, temperature, for example) of a control apparatus, and a calculation processing means (a microcomputer 118) that calculates the state of the apparatus, based on the detected values of the physical quantity by the detection means. Furthermore, the controller comprises interlocked starting circuits (112, 113, 135) that monitor the changes in the detected values of the physical quantity by the detection means, and that start the calculation processing means due to the changes in the detected values. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够以良好的责任进行控制的装置控制器，通过缩短计算处理装置的开始时间和减少部件的数量，特别是用作电池的电子装置控制器用于电池电源的控制器，电源控制器，温度调节控制器等。解决方案：该装置控制器设置有用于检测控制装置的物理量（例如电压，电流，温度）的检测装置，以及计算装置的状态的计算处理装置（微型计算机118）基于检测单元检测到的物理量的值。此外，控制器包括互锁起动电路（112,113,135），其通过检测装置监视物理量的检测值的变化，并且由于检测值的变化而启动计算处理装置。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2013152231A Battery monitoring device 有权
标题翻译：电池监控装置
公开(公告)号：JP2013152231A
公开(公告)日：2013-08-08
申请号：JP2013045315
申请日：2013-03-07
申请人： Hitachi Ltd , 株式会社日立製作所 , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社
发明人： KUDO AKIHIKO , KIKUCHI MUTSUMI , SHIBAHARA GOSUKE , EMORI AKIHIKO , KAMIMURA YASUO , YAMAUCHI TATSUMI , KUBO KENJI , SONEHARA MICHIHITO , AMANO MASAHIKO , AOSHIMA YOSHINARI
IPC分类号： G01R19/00 , H01M10/48 , H02J7/00
CPC分类号： Y02T10/7055 , Y02T10/7241
摘要： PROBLEM TO BE SOLVED: To provide a battery monitoring device capable of diagnosing whether or not battery state detection circuits normally operate, thereby improving reliability.SOLUTION: A battery monitoring device includes: battery state detection circuits (270, 272, 276, 278, 400, RPU, R1-R4, RPD and MUX1-MUX5) which detects battery states of a plurality of battery cells (BC1-BC4) connected in series on the basis of respective cell voltages of the battery cells; and a control circuit (30) which monitors respective states of the battery cells on the basis of the respective cell voltages of the battery cells (BC1-BC4). The control circuit (30) inputs pseudo voltage information to the battery state detection circuits (270, 272, 276, 278, 400, RPU, R1-R4, RPD and MUX1-MUX5) to diagnose whether or not the battery state detection circuits normally operate.
摘要翻译：要解决的问题：提供一种能够诊断电池状态检测电路是否正常工作的电池监视装置，从而提高可靠性。解决方案：电池监视装置包括：电池状态检测电路（270,272,276,278,400 根据电池单元的各个电池电压来串联连接的多个电池单元（BC1〜BC4）的电池状态检测电池状态，RPU，R1-R4，RPD，MUX1-MUX5）以及控制电路（30），其基于各个电池单体电池（BC1-BC4）来监视电池单元的各个状态。控制电路（30）向电池状态检测电路（270,272,276,278,400，RPU，R1-R4，RPD，MUX1-MUX5）输入伪电压信息，以诊断电池状态检测电路是否正常操作。

7. 发明专利

JP2013122452A Integrated circuit for controlling battery system and battery cells 有权
标题翻译：用于控制电池系统和电池的集成电路
公开(公告)号：JP2013122452A
公开(公告)日：2013-06-20
申请号：JP2012264204
申请日：2012-12-03
申请人： Hitachi Ltd , 株式会社日立製作所 , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社
发明人： SAKABE HIROSHI , EMORI AKIHIKO , KUDO AKIHIKO , KUBO KENJI , KAWAHARA YOHEI , KIKUCHI MUTSUMI , YAMAUCHI TATSUMI
IPC分类号： G01R31/36 , B60L3/00 , H01M10/48 , H02J7/00 , H02J7/02
CPC分类号： H02J7/0021 , B60L3/0046 , B60L11/1861 , B60L11/1866 , B60L11/1879 , B60L2240/545 , B60L2240/547 , B60L2240/549 , G01R31/026 , G01R31/362 , G01R31/3648 , G01R31/3658 , G01R35/00 , H02J7/0022 , Y02T10/7005 , Y02T10/7011 , Y02T10/7044 , Y02T10/7055 , Y02T10/7061 , Y02T90/16
摘要： PROBLEM TO BE SOLVED: To provide an integrated circuit with enhanced reliability, which improves reliability of a lithium battery cell controller and a vehicle power supply system.SOLUTION: A battery system includes; a lithium battery module comprising a plurality of serially connected lithium battery cell groups, each comprising a plurality of serially connected lithium battery cells; a plurality of integrated circuits provided for each of lithium battery cell groups; and transmission lines connecting the integrated circuits. Each of the integrated circuits includes; a selection circuit for selecting a terminal voltage from the plurality of lithium battery cells; an analog-to-digital converter for converting the selected terminal voltage to a digital value; a voltage generator circuit for generating a known voltage; and a digital value generator circuit for generating a digital value having a known relative magnitude relationship with the known voltage. The digital value of the terminal voltage and the digital value generated by the digital value generator circuit are compared by a digital comparator circuit and, when the comparison result does not agree with the known relative magnitude relationship, an anomaly signal representing a fault in the battery system is transmitted through the transmission line.
摘要翻译：要解决的问题：提供具有增强的可靠性的集成电路，其提高锂电池单元控制器和车辆电源系统的可靠性。电池系统包括：锂电池模块，包括多个串联的锂电池单元组，每个组包括多个串联的锂电池单元; 为每个锂电池单元组提供的多个集成电路; 以及连接集成电路的传输线。每个集成电路包括：选择电路，用于从所述多个锂电池单元中选择端电压; 用于将所选择的端子电压转换为数字值的模拟 - 数字转换器; 用于产生已知电压的电压发生器电路; 以及数字值发生器电路，用于产生与已知电压具有已知的相对幅度关系的数字值。端子电压的数字值和由数字值发生器电路产生的数字值由数字比较器电路进行比较，并且当比较结果与已知的相对幅度关系不一致时，表示电池中的故障的异常信号系统通过传输线传输。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2011106855A Power supply device 有权
标题翻译：电源设备
公开(公告)号：JP2011106855A
公开(公告)日：2011-06-02
申请号：JP2009259749
申请日：2009-11-13
申请人： Hitachi Ltd , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社 , 株式会社日立製作所
发明人： SAKABE HIROSHI , AMANO MASAHIKO , EMORI AKIHIKO , KUDO AKIHIKO , KAWAHARA YOHEI , SONEHARA MICHIHITO
IPC分类号： G01R31/36 , H01M2/10 , H01M10/42 , H01M10/48 , H02J7/00 , H02J7/02
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a power supply device capable of measuring the current and voltage of its each battery at the same timing, and capable of suppressing an increase in circuit scale more than in conventional devices. SOLUTION: The power supply device 1 includes a battery pack 6 wherein a plurality of battery cells 5 are connected in series, and battery-status measuring means 3A-3N. Each of the battery-status measuring means 3A-3N has: a measuring circuit 55 for measuring the status of a battery cell or a plurality of battery cells 5 in response to a control signal; a group of control signal transmission circuits 58c each for outputting at its output terminal 58o the control signal input to its input terminal 58i; and a group of measurement-result-signal transmission circuits 57c each for creating a new data signal based on a data signal and the result of measurement by the measuring circuit 55 in response to inputting of the data signal to its input terminal 57i, and outputting the new signal at its output terminal 57o. The battery-status measuring instruments 3A-3N are connected by daisy chain connection with their input terminals 58i and output terminals 58o, and are connected by daisy chain connection with their input terminals 57i and output terminals 57o. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在相同的定时测量其每个电池的电流和电压并且能够比常规装置更能抑制电路规模的增加的电源装置。解决方案：电源装置1包括其中多个电池单元5串联连接的电池组6和电池状态测量装置3A-3N。每个电池状态测量装置3A-3N具有：用于响应于控制信号测量电池单元或多个电池单元5的状态的测量电路55; 一组控制信号传输电路58c，每一个用于在其输出端口580输出输入到其输入端58i的控制信号; 以及一组测量结果信号发送电路57c，每个测量结果信号发送电路57c用于响应于向其输入端子57i输入数据信号而基于数据信号和测量电路55的测量结果创建新的数据信号，并输出在其输出端57o处的新信号。电池状态测量仪3A-3N通过菊花链连接与其输入端子58i和输出端子58o连接，并通过菊花链连接与其输入端子57i和输出端子57o连接。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011041422A Battery pack control unit 有权
标题翻译：电池组控制单元
公开(公告)号：JP2011041422A
公开(公告)日：2011-02-24
申请号：JP2009188383
申请日：2009-08-17
申请人： Hitachi Ltd , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社 , 株式会社日立製作所
发明人： SHIBAHARA GOSUKE , KIKUCHI MUTSUMI , KUDO AKIHIKO , KAMIMURA YASUO , KUBO KENJI , AOSHIMA YOSHINARI , EMORI AKIHIKO , MIURA HIKARI
IPC分类号： H02J7/00 , B60L3/00 , G01R31/36 , H01M2/10 , H01M10/48
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a battery pack control device capable of controlling charge and discharge according to an abnormal state of a detection means of detecting a battery state.
SOLUTION: The battery back control device includes: a battery controller 80, namely a detection means of detecting a physical quantity indicating a battery state of a battery pack 1 comprising a plurality of cells; a current sensor 30 and a temperature sensor 100; and microcomputers 6, 91 used as diagnosis means of diagnosing an abnormal state of the detection means. The microcomputer 91 functions as an estimation means of estimating a charge state of the battery pack 1 based on the detected physical quantity, a setting means of setting an allowable charge and discharge range indicating a range of a charge state that the battery pack 1 uses according to an abnormal state when failure has been determined by diagnosis, and a control means of controlling the charge and discharge of the battery pack 1 such that the estimated charge state is within the allowable charge and discharge range.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够根据检测电池状态的检测装置的异常状态来控制充放电的电池组控制装置。电池背控制装置包括：电池控制器80，即检测装置，其检测指示包含多个单元的电池组1的电池状态的物理量; 电流传感器30和温度传感器100; 以及用作诊断检测装置的异常状态的诊断装置的微型计算机6,91。微型计算机91用作基于检测到的物理量来估计电池组1的充电状态的估计装置，设置表示电池组1使用的充电状态的范围的容许充电和放电范围的设定装置通过诊断确定故障时的异常状态，以及控制电池组1的充放电控制装置，使得所估计的充电状态在允许的充放电范围内。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2009089488A Vehicular dc power unit 有权
标题翻译：车用直流电源单元
公开(公告)号：JP2009089488A
公开(公告)日：2009-04-23
申请号：JP2007253674
申请日：2007-09-28
申请人： Hitachi Ltd , Hitachi Vehicle Energy Ltd , 日立ビークルエナジー株式会社 , 株式会社日立製作所
发明人： EMORI AKIHIKO , KAWAHARA YOHEI , SAKABE HIROSHI , KIKUCHI MUTSUMI , YAMAUCHI TATSUMI , KUDO AKIHIKO , KUBO KENJI
IPC分类号： H02J7/02 , B60L3/00 , G01R19/00 , G01R31/00 , H01M10/48 , H02J7/00
CPC分类号： H02J7/0019 , B60L11/1855 , B60L11/1864 , B60L11/1879 , H02J7/0018 , H02J7/0022 , Y02T10/7011 , Y02T10/7061
摘要： PROBLEM TO BE SOLVED: To provide a vehicular DC power unit which has a diagnostic function that diagnoses abnormality in a circuit for measuring the terminal voltage of a lithium battery cell. SOLUTION: The vehicular DC power unit includes a plurality of lithium battery cells, which are connected in series, a measuring circuit, which measures the terminal voltage of each battery cell, a plurality of detecting harnesses 32 for detection which connect the measuring circuit with the terminal of each battery cell, a plurality of series circuits, which have resistors R1-R6 for letting the discharge currents of the battery cells flow and balancing switches 129A-F, a control circuit, which controls the balancing switches, and a diagnosing circuit, which has a comparator circuit. Each series circuit is connected to each battery cell each in parallel through a harness for detection, and the balancing switch is switched on by a control circuit, and next the terminal voltage of the battery cell supplied through the harness for detection is measured with the measuring circuit, and a threshold predetermined with the comparator circuit and a measured terminal voltage are compared with each other so as to diagnose its abnormal state. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有诊断功能的车辆DC电力单元，其诊断用于测量锂电池单元的端子电压的电路中的异常。解决方案：车载直流电源单元包括串联连接的多个锂电池单元，测量每个电池单元的端子电压的测量电路，用于检测的多个检测线束32，其连接测量与每个电池单元的端子电路，多个串联电路，其具有用于使电池单元的放电电流流动的电阻器R1-R6和平衡开关129A-F，控制平衡开关的控制电路，以及诊断电路，其具有比较器电路。每个串联电路通过用于检测的线束并联连接到每个电池单元，并且平衡开关由控制电路接通，接下来通过测量来测量通过用于检测的线束提供的电池单体的端子电压电路和与比较器电路预定的阈值和测量的端子电压进行比较，以诊断其异常状态。版权所有（C）2009，JPO＆INPIT

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