CN113924708A - 用于运行电能量存储器的方法、电能量存储器以及设备 - Google Patents

用于运行电能量存储器的方法、电能量存储器以及设备 Download PDF

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CN113924708A
CN113924708A CN202080039499.0A CN202080039499A CN113924708A CN 113924708 A CN113924708 A CN 113924708A CN 202080039499 A CN202080039499 A CN 202080039499A CN 113924708 A CN113924708 A CN 113924708A
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electrical energy
energy store
energy storage
sensors
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J·韦伯
J·施耐德
P·科恩
T·凯瑟尔
S·阿诺德
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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    • B60L58/12Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
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    • B60L7/00Electrodynamic brake systems for vehicles in general
    • B60L7/10Dynamic electric regenerative braking
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00Control parameters of input or output; Target parameters
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L2240/00Control parameters of input or output; Target parameters
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    • B60L2240/00Control parameters of input or output; Target parameters
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60L2250/00Driver interactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
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    • B60L2250/00Driver interactions
    • B60L2250/10Driver interactions by alarm
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • 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
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    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明涉及一种用于运行电能量存储器(1)的方法、电能量存储器(1)以及设备,所述电能量存储器具有电能量存储模块(18)、开关单元(4)和第一和第二接口(5、7),其中,所述方法具有以下在时间上相继的方法步骤:在第一方法步骤中分析所述电能量存储器(1)的传感器的信号,在第二方法步骤中确定电能量存储器(1)的临界状态,在第三方法步骤中借助于开关单元(4)来沿充电方向中断在所述电能量存储模块(18)与所述第一和第二接口(5、7)之间的导电连接,而同时沿放电方向使在所述电能量存储模块(18)与所述第一和第二接口(5、7)之间的导电连接保持连接。

Description

用于运行电能量存储器的方法、电能量存储器以及设备
技术领域
本发明涉及一种按照独立权利要求的前序部分的用于运行电能量存储器的方法、电能量存储器以及设备。
背景技术
US 2013/0169038 A1示出了一种用于由串联连接的电池为电气的车辆不中断地进行能源供应的设备,所述设备包括桥接开关。
CN 203103992 U示出了一种用于电池充电管理和电池放电管理的控制系统。
发明内容
在用于运行具有电能量存储模块、开关单元以及第一和第二接口的电能量存储器的方法中,本发明的核心在于,所述方法具有以下在时间上彼此相继地的方法步骤:
其中,在第一方法步骤中分析所述电能量存储器的传感器的信号,
其中,在第二方法步骤中确定所述电能量存储器的临界状态,
其中,在第三方法步骤中借助于开关单元来沿充电方向中断在所述电能量存储模块与所述第一和第二接口之间的导电连接,而同时沿放电方向使在所述电能量存储模块与所述第一和第二接口之间的导电连接保持连接。
本发明的背景是,在出现电能量存储器的临界状态时通常完全地切断该电能量存储器。由此,由所述电能量存储器所供应的设备、例如车辆能够进入到临界的运行状态中。如果例如在行驶期间所述车辆的电能量存储器故障,则除了电驱动装置之外所述车辆的与安全相关的装置如例如制动辅助装置、转向辅助装置和车辆控制器也失效。
有利地,在按照本发明的方法中,所述电能量存储器能够在临界状态下继续放电。同时尤其借助于回收来阻止所述电能量存储器进一步充电。由此能够将所述设备置于可靠的运行状态中并且同时阻止故障的电能量存储器的过量充电状态。
本发明的另外的有利的实施方式是从属权利要求的主题。
按照一种有利的设计方案,所述传感器是单池电压传感器、温度传感器、电流传感器和/或输出电压传感器。借助于相应的传感器能够识别出所述电能量存储器的临界状态的特征,即所述电能量存储器临界的单池电压和/或临界的电流和/或临界的单池温度和/或临界的温度。
在此有利的是,当单池电压传感器故障时,所述电能量存储器沿放电方向继续运行,其中,所述电能量存储器借助于所述电流传感器来被监测。因此在所述电能量存储器的临界状态下,能够将所述设备置于可靠的运行状态中。然而在此,借助于所述电流传感器来继续监测所述电能量存储器,从而在附加地出现过载电流时能够切断所述电能量存储器。
有利地,所述电能量存储器的临界状态存在于,传感器的测量值超过临界的最大极限值或者测量值低于临界的最小极限值或者传感器故障或者所述电能量存储器的控制单元至少部分地故障。因此,所述临界状态能够通过对所述传感器的信号的分析或者说通过信号的缺失来识别出。
此外有利的是,在第四方法步骤中将警告指示或者故障信号输出给用户或者外部的控制器。借助于所述警告指示或者故障信号能够启动对所述电能量存储器的运行策略的适配。由此能够降低所述电能量存储器的负载。优选地,用户获得如下提示:其必须寻找车间以便修理所述电能量存储器。
本发明在电能量存储器中——所述电能量存储器尤其能够借助于如上面所描述的或者说根据涉及所述方法的权利要求中任一项的方法来运行,其中,所述电能量存储器具有电能量存储模块、开关单元以及第一和第二接口——的核心在于,所述电能量存储器被设定用于,借助于所述开关单元同时沿充电方向中断并且沿放电方向连接在所述电能量存储模块与所述第一和第二接口之间的导电连接。
本发明的背景是,在所述电能量存储器的临界状态下,该电能量存储器不必被完全地切断而是能够继续放电。同时通过沿充电方向中断阻止了所述电能量存储器的进一步的充电,从而能够阻止过量充电。
按照一种有利的设计方案,所述电能量存储器具有控制单元、充电控制器和放电控制器。在此,所述充电控制器和放电控制器能够被所述控制单元控制并且能够彼此独立地运行。
此外有利的是,所述开关单元具有至少一个第一开关装置和至少一个第二开关装置、尤其第一开关装置和第二开关装置的矩阵电路。由此开关单元能够紧凑地实施。
在此有利的是,所述第一开关装置具有至少一个第一MOSFET开关并且所述第二开关装置具有至少一个第二MOSFET开关。
本发明在所述设备、尤其车辆中的核心存在于,所述设备具有如前面所描述的或者说根据涉及所述电能量存储器的权利要求中的任一项所述的电能量存储器。
本发明的背景是,所述设备在所述电能量存储器的临界状态下能够被置于可靠的运行状态中。例如车辆能够被可靠地停放或者被带到车间中。
只要有意义,上述的设计方案和改进方案能够任意地彼此组合。本发明的另外的可行的设计方案、改进方案和实现方式也包括在本发明的前面或者下文中关于实施例所说明的特征的没有明确地提及的组合。在此,本领域技术人员尤其也将各个方面作为改善或者补充添加到本发明的相应的基本形式中。
附图说明
在下文的段落中根据实施例来阐释本发明,从所述实施例中能够得到另外的按照本发明的特征,然而本发明在其范围方面不限于所述特征。所述实施例在附图中示出。其中:
图1示出了按照本发明的电能量存储器1,并且
图2示出了用于运行电能量存储器1的按照本发明的方法100的示意性的流程图。
具体实施方式
在图1中所示出的电能量存储器1具有:
- 至少一个电能量存储模块18,
- 控制单元22,
- 开关单元4,
- 充电控制器8,
- 放电控制器9,
- 电阻19,
- 第一接口5,
- 第二接口7,以及
- 输出电压传感器6,所述输出电压传感器布置在所述第一与第二接口之间,并且被设定用于确定在所述第一与第二接口(5、7)之间的电压。
所述电能量存储模块18具有至少一个电能量存储单池17和传感器、尤其至少一个单池电压传感器16、至少一个温度传感器15和电流传感器14。优选地,电能量存储模块18具有多个电能量存储单池17,所述电能量存储单池以串联布置。在此,每个电能量存储单池17分配有尤其与相应的电能量存储单池17并联地布置的单池电压传感器16,所述单池电压传感器被设定用于,确定相应的所述电能量存储单池17的电压。所述电流传感器14与所述电能量存储单池17串联地布置并且被设定用于,确定流动通过所述电能量存储单池17的电流。至少一个温度传感器15布置在所述电能量存储模块18中。优选地,在每个电能量存储单池17处布置温度传感器15。
所述控制单元22具有分析单元13、发送接收单元12、控制单元11和监测单元10。所述分析单元13信号传导地与所述发送接收单元12相连接。所述发送接收单元12信号传导地与所述控制单元11相连接。所述控制单元11信号传导地与所述监测单元10相连接。
所述控制单元22信号传导地与所述电能量存储模块18的传感器以及与所述输出电压传感器相连接。所述分析单元13被设定用于分析所述传感器的信号并且将所述传感器的测量结果发送给所述发送接收单元12。所述发送接收单元12被设定用于将所述测量结果转发给所述控制单元11。所述控制单元11被设定用于将所述测量结果转发给所述监测单元10。所述监测单元10被设定用于监测所述测量单元13、所述发送接收单元12和/或所述控制单元11并且识别出所述测量单元13、发送接收单元12和/或控制单元11的故障。
所述控制单元22信号传导地与所述充电控制器8和放电控制器9相连接。在此,所述控制单元11和/或所述监测单元10被设定用于控制所述充电控制器8和/或所述放电控制器9。
所述开关单元4具有至少一个第一开关装置2和至少一个第二开关装置3、尤其第一开关装置2和第二开关装置3的矩阵,借助于它们,所述电能量存储模块18能够与所述第一和第二接口(5、7)导电地连接。在此,所述第一开关装置2被设定用于将所述电能量存储模块18为了充电而与所述第一和第二接口(5、7)相连接或者断开所述连接。所述第二开关装置3被设定用于将所述电能量存储模块18为了放电而与所述第一和第二接口(5、7)连接或者断开所述连接。优选地,所述第一开关装置2实施为第一MOSFET 20并且所述第二开关装置3实施为第二MOSFET 21。
所述充电控制器8信号传导地与所述第二开关装置3相连接并且被设定用于操控所述第二开关装置3。所述放电控制器9信号传导地与所述第一开关装置2相连接并且被设定用于操控所述第一开关装置2。
在所述开关单元4与所述电能量存储模块18之间布置电阻19。借助于所述电阻19能够确定流动通过所述开关单元4的电流。
所述控制单元22监测并且控制所述电能量存储器1。为此,分析并且监测所述电能量存储模块18的传感器的信号。一旦所述电能量存储器1具有临界状态,例如测量值超过临界的最大极限值或者低于临界的最小极限值或者传感器故障,则能够操控所述充电控制器8和/或所述放电控制器9,以便保护所述电能量存储器1。在此,所述充电控制器8能够禁止充电过程,而所述放电控制器9继续允许放电过程。同样能够同时禁止充电过程和放电过程或者允许充电过程并且禁止放电过程。也就是说充电过程和放电过程能够与彼此独立地被控制。
按照另一在图中未被示出的实施例,所述控制单元22与电驱动的车辆的车辆控制器信号传导地连接。在此,所述控制单元22被设定用于根据车辆控制器的车辆控制命令来操控所述电能量存储器1。此外,所述控制单元22被设定用于将所述电能量存储器1的故障信号发送给所述车辆控制器。于是例如能够限制所述车辆的行驶速度或者行驶里程,或者当所述电能量存储器1具有临界状态时示出故障信号。
在图2中示意性地示出了用于运行电能量存储器1的按照本发明的方法100,所述电能量存储器具有电能量存储模块18、开关单元4以及第一和第二接口(5、7)。所述方法100具有以下在时间上彼此相继地方法步骤。
在第一方法步骤101中分析所述电能量存储器1的传感器的信号。所述传感器是单池电压传感器16和/或温度传感器15和/或电流传感器14和/或输出电压传感器6。
在第二方法步骤102中确定所述电能量存储器1的临界状态。所述电能量存储器1的临界状态例如存在于,传感器的测量值超过临界的最大极限值或者低于临界的最小极限值或者传感器故障。
在第三方法步骤103中借助于所述开关单元4来沿充电方向中断在所述电能量存储模块18与所述第一和第二接口(5、7)之间的导电连接,而沿放电方向使在所述电能量存储模块18与所述第一和第二接口之间(5、7)的导电连接保持连接。所述电能量存储器(1)也就是说能够继续放电但是不再充电。
在第四方法步骤104中将警告指示或者故障信号输出给用户或者外部的控制器。
优选地,所述电能量存储器1的临界状态不允许超过预先给定的临界的时间段。如果超过该临界的时间段,则沿充电方向和放电方向中断在所述电能量存储模块18与所述第一和第二接口(5、7)之间的导电连接。
在此,电能量存储器理解为尤其具有电化学的能量存储单池的能再充电的能量存储器、和/或具有至少一个电化学的能量存储单池的能量存储模块、和/或具有至少一个能量存储模块的能量存储包。所述能量存储单池能够实施为基于锂的电池单池、尤其锂离子电池单池。作为替代方案,所述能量存储单池实施为锂聚合物电池单池或者镍金属氢化物电池单池或者铅酸电池单池或者锂空气电池单池或者锂硫电池单池。

Claims (10)

1.用于运行电能量存储器(1)的方法(100),所述电能量存储器具有电能量存储模块(18)、开关单元(4)和第一和第二接口(5、7),其中,所述方法(100)具有以下在时间上彼此相继的方法步骤:
在第一方法步骤(101)中分析所述电能量存储器(1)的传感器的信号,
在第二方法步骤(102)中确定所述电能量存储器(1)的临界状态,
在第三方法步骤(103)中借助于所述开关单元(4)来沿充电方向中断在所述电能量存储模块(18)与所述第一和第二接口(5、7)之间的导电连接,而同时沿放电方向使在所述电能量存储模块(18)与所述第一和第二接口(5、7)之间的导电连接保持连接。
2.根据权利要求1所述的用于运行电能量存储器(1)的方法(100),
其特征在于,
所述传感器是单池电压传感器(16)、温度传感器(15)、电流传感器(14)和/或输出电压传感器(6)。
3.根据权利要求2所述的用于运行电能量存储器(1)的方法(100),
其特征在于,
在单池电压传感器(16)故障时,所述电能量存储器(1)沿放电方向继续运行,其中,借助于所述电流传感器(14)来监测所述电能量存储器。
4.根据上述权利要求中任一项所述的用于运行电能量存储器(1)的方法(100),
其特征在于,
所述电能量存储器(1)的临界状态存在于,传感器的测量值超过临界的最大极限值或者测量值低于临界的最小极限值或者传感器故障或者所述电能量存储器(1)的控制单元(22)至少部分地故障。
5.根据上述权利要求中任一项所述的用于运行电能量存储器(1)的方法(100),
其特征在于,
在第四方法步骤(104)中将警告指示或者故障信号输出给用户或者外部的控制器。
6.电能量存储器(1),所述电能量存储器尤其能够借助于根据上述权利要求中任一项所述的用于运行电能量存储器(1)的方法(100)来运行,其中,所述电能量存储器(1)具有电能量存储模块(18)、开关单元(4)以及第一和第二接口(5、7),
其特征在于,
所述电能量存储器(1)被设定用于,借助于所述开关单元(4)同时沿充电方向中断并且沿放电方向连接在所述电能量存储模块(18)与所述第一和第二接口(5、7)之间的导电连接。
7.根据权利要求6所述的电能量存储器(1),
其特征在于,
所述电能量存储器(1)具有控制单元(22)、充电控制器(8)和放电控制器(9)。
8.根据权利要求6至7中任一项所述的电能量存储器(1),
其特征在于,
所述开关单元(4)具有至少一个第一开关装置(2)和至少一个第二开关装置(3)、尤其第一开关装置(2)和第二开关装置(3)的矩阵电路。
9.根据权利要求8所述的电能量存储器(1),
其特征在于,
所述第一开关装置(2)具有至少一个第一MOSFET开关(20)并且所述第二开关装置(3)具有至少一个第二MOSFET开关(21)。
10.设备,尤其车辆,
其特征在于,
所述设备具有根据权利要求中6至9任一项所述的电能量存储器(1)。
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