CN109789796B - 整流器、电驱动系统和用于给电蓄能器充电的方法 - Google Patents
整流器、电驱动系统和用于给电蓄能器充电的方法 Download PDFInfo
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Abstract
本发明涉及借助于整流器给电蓄能器充电。在此,所述整流器对所述整流器与所述有待充电的电蓄能器之间的电连接进行监测。在探测到所述整流器与所述电蓄能器之间的电连接的中断、比如所述电蓄能器与所述整流器之间的断路开关的断开时,那就通过所述整流器立即停止用于给所述电蓄能器充电的电能的继续供应。通过这种方式能够避免所述整流器上的危险的电压过度升高。
Description
技术领域
本发明涉及一种用于给电蓄能器充电的整流器、一种具有整流器的电驱动系统以及一种用于给电蓄能器充电的方法。
背景技术
在像比如在电动车或者混合动力车中所使用的一样的电驱动系统中,能够由逆变器来操控电机。在运行的期间,所述逆变器与电能源、像比如动力电池(Traktionsbatterie)连接。在所述电能源与所述逆变器之间设置了分离设备,所述分离设备能够中断所述能源与所述逆变器之间的电连接。在按发电机方式的运行中,所述电机能够通过所述逆变器将功率朝所述电能源方向馈入。在此所述逆变器在这种运行模式中作为受控的整流器来工作。
在将电能由所述电机馈入到所述动力电池中的期间,动力电池与逆变器之间的电连接能够通过所述分离设备来中断。所述电机的电能在此首先流到所述逆变器的中间电路电容器中并且在这个中间电路电容器上出现电压升高。如果所述中间电路电容器上的电压超过预先给定的数值,那就能够结束所述电机的按发电机方式的运行。
公开文献DE 10 2013 215 704 A1公开了一种具有电池分离单元和电池控制单元的电池系统。所述电池分离单元用于将电池组件和负载分离。所述电池分离单元与用于对所述电池组件的运行进行控制的电池控制单元被合并在一个组合件中。
公开文献DE 10 2008 004 202 A1公开了一种用于对用于车辆的电导线的短路和/或中断进行识别的方法。为此,将信号模式调制到电导线上,所述信号模式通过导线状态来受到影响。根据这种影响来对所述导线的短路和/或中断进行识别。
发明内容
本发明公开了一种整流器、一种电驱动系统以及一种用于给电蓄能器充电的方法。
依此而设置了:
用于给电蓄能器充电的整流器。所述电蓄能器能够通过断路开关与所述整流器耦合。所述整流器包括探测器装置。所述探测器装置被设计用于:对所述整流器与所述电蓄能器之间的断路开关的断开进行探测。此外,所述整流器被设计用于:在所述探测器装置探测到所述断路开关的断开时,中断用于所述电蓄能器的电能的供应。
此外设置了:
具有按本发明的整流器、电机和蓄能器系统的电驱动系统。所述电机与所述整流器耦合。此外,所述电机被设计用于在发电机式运行中将电能供应给所述整流器。所述蓄能器系统包括电蓄能器和断路开关。所述蓄能器系统的电蓄能器能够通过所述断路开关与所述整流器进行电耦合。
此外设置了:
用于借助于通过断路开关与电蓄能器耦合的整流器给所述电蓄能器充电的方法。所述方法包括用于在给所述电蓄能器充电的期间对所述断路开关的开关状态进行监测的步骤。尤其在监测的期间对所述断路开关的断开进行探测。此外,所述方法包括下述步骤,在对所述断路开关的开关状态进行监测的期间,在探测到所述整流器与所述电蓄能器之间的断路开关的断开时,所述步骤用于中断用于所述电蓄能器的电能的供应。
本发明以以下认识为基础,即:在所述整流器与所述电蓄能器之间的断路开关在充电的期间突然地断开时,在通过整流器给电蓄能器充电时可能出现很快的电压升高。由于很大的电压升高梯度dU/dt,在所述断路开关断开时所述电压在此很快地升高。为了保护构件,必须限制在这种情况下出现的最大电压。
本发明因此以以下构想为基础,即考虑到这种认识并且在中断整流器与电蓄能器之间的电连接时足够快地停止能量流,从而能够避免电压升高超过危险的、损坏构件的极限。
为此而设置了,在所述整流器中连续地对所述整流器与所述有待充电的电能源之间的电连接进行监测,并且立即识别出像比如由于所述整流器与所述蓄能器之间的断路开关断开时可能出现的一样的中断。如果识别出所述断路开关的这样的断开,那么所述整流器随后紧接着中断用于所述电蓄能器的电能的供应。通过充电过程的快速的中断,在此防止将所述整流器中的中间电路电容器充电到危险的高的电压值。由此,所述中间电路上的电压保持在能操纵的电压值上,所述能操纵的电压值不会导致所连接的构件的损坏。通过这种方式,能够避免所述整流器的失灵或者使用寿命的降低。另外的成本高的并且可能易出故障的、用于避免电压过度升高的保护措施在此是不需要的。因此,制造成本下降并且也能够降低所述整流器的所需要的结构空间。
按照一种实施方式,所述探测器装置包括用于对所述整流器与所述电蓄能器之间的导线进行监测的设备。尤其通过对于所述整流器与所述电蓄能器之间的导线的监测,能够直接探测到可能的、由于所述断路开关的断开引起的中断。
按照一种实施方式,所述探测器装置包括用于对所述断路开关的开关状态进行探测的设备。比如在所述断路开关上能够设置额外的接触部或者另外的传感器设备,所述传感器设备提供关于所述断路开关的开关状态的信息。这种信息能够由所述整流器的探测器装置来评估。
按照一种实施方式,所述探测器装置包括用于对用于所述断路开关的操控信号进行评估的设备。通过对于用于所述断路开关的操控信号的评估,而不需要另外的结构上的措施或者线路来用于确定所述断路开关的开关状态。按照所述电驱动系统的一种实施方式,所述断路开关借助于信号导线与所述探测器装置连接。通过所述信号导线,能够直接向所述探测器装置提供关于所述断路开关的当前的开关状态的信息。
按照一种实施方式,所述电驱动系统包括控制装置,这个控制装置被设计用于操控所述蓄能器系统的断路开关。此外,所述控制装置与所述探测器装置连接。通过这种方式,能够直接向所述探测器装置提供关于对于所述断路开关进行操控的信息。
按照一种实施方式,所述整流器被设计用于:在已经探测到所述断路开关的断开时在所述电机上设定安全的运行状态。尤其是这种安全的运行状态能够包括用于所述电机的主动的短路。
按照所述用于给电蓄能器充电的方法的一种实施方式,所述用于对断路开关的开关状态进行监测的步骤包括对于所述整流器与所述电蓄能器之间的电连接的监测。作为补充方案或者替代方案,所述用于对开关状态进行监测的步骤也能够包括对于所述断路开关的操控的监测。
上述设计方案和拓展方案,只要有意义都可以任意地彼此组合。本发明的另外的设计方案、拓展方案和实施方式也包括本发明的、前面或者下面关于实施例所描述的特征的未明确地提到的组合。尤其本领域的技术人员在此也会将单个方面作为改进方案或者补充方案添加到本发明的相应的基本形式上。
附图说明
下面借助于在附图的示意图中所说明的实施例来对本发明进行详细解释。在此:
图1示出了按照一种实施方式的、具有整流器的电驱动系统的示意图;并且
图2示出了如作为按照一种实施方式的方法的基础一样的流程图的示意图。
具体实施方式
图1示出了按照一种实施方式的电驱动系统1的示意图。所述电驱动系统1包括电机30、整流器10和电蓄能器系统20。所述电机30能够是任意的电机、像比如永久励磁的同步电机或者异步电机。原则上,除此以外也能够考虑任意的另外的电机,所述电机能够在发电机式运行中供应电能。所述电机30与整流器10耦合。在所述电机30的马达式运行中,所述电机30能够通过所述整流器10通过预先确定的电流和/或电压的供应来操控。在发电机式运行中,所述电机30向所述整流器10供应电能。
此外,所述整流器10与电蓄能器系统20连接。所述电蓄能器系统20包括电能源21,该电能源通过断路开关22与所述整流器10连接。所述电能源21比如能够是电动车或者混合动力车的动力电池。除此以外,能够考虑任意的另外的电蓄能器,所述电蓄能器被设计用于将电能供应给所述整流器10并且在充电运行中消耗由所述整流器10供应的电能。所述电蓄能器21与所述整流器10之间的断路开关21能够在需要时中断所述电能源21与所述整流器10之间的电连接。为此,比如能够由所述电蓄能器系统20的控制装置23来操控所述断路开关21。所述控制装置23比如能够是电池管理系统或者类似系统。
在这里所示出的实施例中,所述整流器10比如能够是三相的逆变器,所述逆变器从由所述电蓄能器系统20所供应的直流电压中产生三相的交流电压并且将这种交流电压供应给所述电机30。但是,本发明不局限于这样的三相的逆变器。除此以外,也能够按所连接的电机30来考虑任意的单相的或者三相的逆变器。原则上能够考虑每种整流器10,所述整流器与由所述电蓄能器系统20供应的电压以及所述电机30的要求相匹配。
此外,所述整流器10具有探测器装置12。在由所述整流器10将电能馈入到所述电蓄能器21中的期间,所述探测器装置12对所述整流器10与所述电蓄能器21之间的电连接进行监测。如果在此通过所述探测器装置12确定所述整流器10与所述电蓄能器21之间的电连接被中断,那就随后促使所述整流器10停止用于所述电蓄能器21的电能的继续供应。如果所述整流器10在所述整流器10与所述电蓄能器21之间的电连接中断时继续供应电能,那么这种电能就会流到所述整流器10的中间电路电容器14中。这会导致在所述中间电路电容器14上快速的电压升高。在所述整流器10与所述电蓄能器21之间的电连接的中断之后,通过所述整流器10快速地中断电能的继续供应,能够防止所述在中间电路电容器14上电压的过度的升高。
尤其在探测到所述整流器10与所述电蓄能器21之间的电连接的中断之后,所述整流器10能够占据用于所连接的电机30的安全的运行状态的开关状态。这种安全的运行状态比如能够包括主动的短路或者空转。
所述探测器装置12比如能够通过对于高频信号的调制和对于导线反射的探测来对所述整流器10与所述电蓄能器21之间的电连接进行监测。如果在此探测到整流器10与电蓄能器21之间的电连接的中断、尤其是所述断路开关22的断开,那么随后就能够通过所述整流器10来中断电能的继续供应并且必要时将所述电机30置于安全的运行状态中。
除此以外,当然也能够考虑任意的另外的、用于对所述整流器10与所述电能源21之间的连接进行监测并且用于对这种连接中的中断进行探测的方法。在此根据经过调制的高频信号的很高的传播速度能够很快地探测到所出现的中断、像比如所述断路开关22的断开。由此,也能够通过所述整流器10来快速地停止电能的继续供应,从而在所述中间电路电容器14上不会出现危险的电压升高。
作为补充方案或者替代方案,也能够对所述断路开关22的开关状态进行监测。比如,为此能够借助于所述断路开关22上的额外的开关接触部来检测所述断路开关22的当前的开关状态。此外,也能够考虑任意的另外的、用于对所述断路开关22的开关状态进行监测的传感器。所述断路开关22的所检测到的开关状态比如能够通过额外的信号导线来供应给所述探测器装置12。在通过所述信号导线所传输的信号的基础上,所述探测器装置12能够直接识别所述断路开关22的断开,并且随后促使所述整流器10停止电能的继续供应,并且必要时将所述电机30切换到安全的运行状态中。
此外,也能够通过合适的信号导线直接将所述断路开关22的操控信号供应给所述探测器装置12。随后所述探测器装置12能够直接对用于所述断路开关22的操控信号进行评估并且从中识别出所述断路开关22的断开。比如,所述断路开关22能够由控制装置23、像比如电池管理系统等等来操控。来自所述控制装置23的这种信号也能够并行地被供应给所述探测器装置12。作为替代方案,也能够将来自所述控制装置23的额外的控制信号供应给所述探测器装置12。在这种用于所述断路开关22的控制信号的基础上,在根据所述控制信号应该断开所述断路开关22时,所述探测器装置12能够促使所述整流器10中断用于所述电蓄能器21的电能的继续供应。也能够额外地在这里在这种情况下将所述电机30切换到安全的运行状态中。
除此以外,当然也能够考虑任意的另外的信号化方式,用于将关于所述断路开关22的开关状态供应给所述探测器装置12。但是在此始终必须保证,关于所述断路开关22的开关状态的信息能够在预先给定的很短的时间间隔之内供应给所述探测器装置12。比如,关于所述断路开关22的断开的信号化应该在小于1μs的时间间隔之内、但是至少在小于10μs的时间之内供应给所述探测器装置12。
图2示出了如作为按照一种实施方式的、用于给电蓄能器充电的方法的基础一样的流程图的示意图。所述方法在此通过前面所描述的由电蓄能器系统、整流器和电机组成的配置在发电机式运行中来执行。在此,所述电机30处于发电机式运行中并且将电能供应给所述整流器10。所述整流器10将所供应的电能转化为电压,所述电压适合用于给所述蓄能器系统20中的电蓄能器21充电。在给所述电蓄能器21充电的期间,在步骤S1中对所述电蓄能器21与所述整流器10之间的断路开关22的开关状态进行监测。优选在此对所述断路开关的开关状态进行连续的监测。但是,原则上也能够以尽可能短的、小于1μs的周期持续时间对所述断路开关的开关状态进行周期性的监测。
如果在对所述断路开关22的开关状态进行监测的期间探测到所述断路开关22被断开,那就在步骤S2中通过所述整流器10来中断用于所述电蓄能器22的电能的供应。在此,尤其能够在探测到所述断路开关22的断开之后将所述电机30切换到安全的运行状态、像比如空转或者主动的短路中。
总之,本发明涉及借助于整流器给所述电蓄能器充电。在此,所述整流器对所述整流器与所述有待充电的电蓄能器之间的电连接进行监测。如果探测到所述整流器与所述电蓄能器之间的电连接的中断、比如所述电蓄能器与所述整流器之间的断路开关的断开,那就立即停止通过所述整流器来给所述电蓄能器充电的电能的继续供应。通过这种方式能够避免所述整流器上的危险的电压过度升高。
Claims (9)
1.一种整流器(10),用于给能够通过断路开关(22)与所述整流器(10)耦合的电蓄能器(21)充电,所述整流器具有:
探测器装置(12),所述探测器装置被设计用于对所述断路开关(22)的断开进行探测;
其中所述整流器(10)被设计用于:在所述探测器装置(12)探测到所述断路开关(22)的断开时中断用于所述电蓄能器(21)的电能的供应,
其特征在于,所述探测器装置(12)在所述断路开关(22)处包括额外的开关接触部,所述开关接触部设置用于提供关于所述断路开关(22)的开关状态的信息,并且其中,所述探测器装置(12)设置用于评估由额外的开关接触部提供的信息,所述探测器装置(12)能够通过对于高频信号的调制和对于导线反射的探测来对所述整流器(10)与所述电蓄能器(21)之间的电连接进行监测。
2.按权利要求1所述的整流器(10),其中所述探测器装置(12)包括用于对所述整流器(10)与所述电蓄能器(21)之间的导线进行监测的设备(13)。
3.按权利要求1或2所述的整流器(10),其中所述探测器装置(12)包括用于对用于所述断路开关(22)的操控信号进行评估的设备。
4.一种电驱动系统(1),具有
按权利要求1到3中任一项所述的整流器(10);
电机(30),所述电机与所述整流器(10)进行了电耦合,并且所述电机被设计用于在发电机式运行中供应电能;
蓄能器系统(20),所述蓄能器系统具有电蓄能器(21)和断路开关(22),其中所述电蓄能器(21)能够通过所述断路开关(22)与所述整流器(10)进行电耦合。
5.按权利要求4所述的电驱动系统(1),其中所述断路开关(22)借助于信号导线与所述探测器装置(12)连接。
6.按权利要求4或5所述的电驱动系统(1),具有控制装置(23),所述控制装置被设计用于操控所述蓄能器系统(20)的断路开关(22),其中所述控制装置(23)此外与所述探测器装置(12)连接。
7.按权利要求4或5所述的电驱动系统(1),其中所述整流器(10)被设计用于:在探测到所述断路开关(22)的断开时在所述电机(30)上设定安全的运行状态。
8.一种用于借助于通过断路开关(22)与电蓄能器(21)耦合的整流器(10)给电蓄能器(21)充电的方法,所述方法具有以下步骤:
在供应用于所述电蓄能器(21)的电能的期间对所述断路开关(22)的开关状态进行监测(S1);
在所述整流器(10)与所述电蓄能器(21)之间的断路开关(22)被断开时,中断(S2)用于所述电蓄能器(21)的电能的供应,
其特征在于,对所述断路开关(22)的开关状态进行的监测(S1)包括对断路开关(22)处的额外的开关接触部进行的监测并且包括通过对于高频信号的调制和对于导线反射的探测来对所述整流器(10)与所述电蓄能器(21)之间的电连接进行的监测。
9.按权利要求8所述的方法,其中,对于所述断路开关(22)的开关状态的监测(S1)包括对于所述整流器(10)与所述电蓄能器(21)之间的电连接的监测和/或对于所述断路开关(22)的操控的监测。
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CN201780059461.8A Active CN109789796B (zh) | 2016-09-27 | 2017-08-08 | 整流器、电驱动系统和用于给电蓄能器充电的方法 |
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EP (1) | EP3519241B1 (zh) |
JP (1) | JP2019533415A (zh) |
KR (1) | KR20190055177A (zh) |
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DE102018220212A1 (de) * | 2018-11-26 | 2020-05-28 | Robert Bosch Gmbh | Verfahren zum Betreiben eines elektrischen Energiespeichers |
CN110341483B (zh) * | 2019-07-24 | 2021-06-04 | 广州小鹏汽车科技有限公司 | 一种电动汽车电机控制器的检测系统及检测方法 |
DE102022109522A1 (de) * | 2022-04-20 | 2023-10-26 | Compleo Charging Solutions Ag | DC-Versorgungsstation und Betriebsverfahren hierfür |
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DE19855370A1 (de) | 1998-12-01 | 2000-06-15 | Bosch Gmbh Robert | Schutzschaltung für einen Leistungshalbleiter |
JP2000188044A (ja) * | 1998-12-21 | 2000-07-04 | Mitsubishi Electric Corp | 位相制御開閉装置 |
DE102008004202A1 (de) | 2008-01-14 | 2009-07-23 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Erkennung eines Kurzschlusses und/oder Unterbrechung einer elektrischen Leitung |
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EP3504767A1 (en) * | 2016-08-23 | 2019-07-03 | ABB Schweiz AG | A method for phase controlled energizing of power transformer |
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2016
- 2016-09-27 DE DE102016218599.3A patent/DE102016218599A1/de active Pending
-
2017
- 2017-08-08 US US16/336,497 patent/US11207983B2/en active Active
- 2017-08-08 KR KR1020197011283A patent/KR20190055177A/ko not_active Application Discontinuation
- 2017-08-08 EP EP17755101.7A patent/EP3519241B1/de active Active
- 2017-08-08 JP JP2019516483A patent/JP2019533415A/ja active Pending
- 2017-08-08 WO PCT/EP2017/070058 patent/WO2018059808A1/de unknown
- 2017-08-08 CN CN201780059461.8A patent/CN109789796B/zh active Active
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JP2015198461A (ja) * | 2014-03-31 | 2015-11-09 | アイシン・エィ・ダブリュ株式会社 | インバータ制御装置 |
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US11207983B2 (en) | 2021-12-28 |
EP3519241B1 (de) | 2023-04-12 |
DE102016218599A1 (de) | 2018-03-29 |
JP2019533415A (ja) | 2019-11-14 |
KR20190055177A (ko) | 2019-05-22 |
CN109789796A (zh) | 2019-05-21 |
US20200373770A1 (en) | 2020-11-26 |
WO2018059808A1 (de) | 2018-04-05 |
EP3519241A1 (de) | 2019-08-07 |
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