CN111196158A - 分布式电池热失控检测 - Google Patents
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Abstract
本公开提供“分布式电池热失控检测”。一种系统包括:主监控系统,所述主监控系统用于确定电池组的电池状态;和辅监控系统,所述辅监控系统被配置为监控如由所述主监控系统经由网络传送的所述电池状态。当所述电池状态包括达到预定水平的热事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
Description
技术领域
本公开涉及用于电池组的主监控系统和辅监控系统,所述主监控系统和辅监控系统彼此通信以检测超过预定水平的热事件。
背景技术
已有文献详细记载了对减少汽车燃料消耗和排放的期望。因此,正在开发减少或完全消除对内燃发动机的依赖性的车辆。电动化车辆是当前为此目的而开发的一种类型的车辆。一般来讲,电动化车辆与常规的机动车辆不同,因为电动化车辆是通过一个或多个电池供电的电机选择性地驱动的。相比之下,常规的机动车辆完全依靠内燃发动机来驱动车辆。
高压电池组通常为电动化车辆的电机和其他电气负载供电。电池组包括以一个或多个电池单元堆或组布置的多个电池单元。电池单元需要进行监控以最大化效率、最大化性能并检测潜在的电池故障。重要的是,要以有效和可靠的方式识别任何潜在的电池故障。
发明内容
根据本公开的示例性方面的系统尤其包括:主监控系统,所述主监控系统用于确定电池组的电池状态;和辅监控系统,所述辅监控系统被配置为监控如由所述主监控系统经由网络传送的所述电池状态。当电池状态包括达到预定水平的热事件时,主监控系统和辅监控系统中的至少一者生成警告信号。
在前述系统的另一非限制性实施例中,主监控系统监控至少一个电池特性并且基于至少一个电池特性来确定电池状态。
在前述系统中的任一个的另一非限制性实施例中,至少一个电池特性包括电池温度、电压或电流中的至少一者。
在任何前述系统的另一非限制性实施例中,主监控系统位于电池组内。
在任何前述系统的另一非限制性实施例中,辅监控系统位于电池组的外部。
在任何前述系统的另一非限制性实施例中,网络包括CAN。
在任何前述系统的另一非限制性实施例中,辅监控系统使用外部信息和电池状态来确定何时生成警告信号。
在任何前述系统的另一非限制性实施例中,外部信息包括与主监控系统的通信丢失。
在任何前述系统的另一非限制性实施例中,所述热事件包括热失控事件,并且其中所述预定水平至少包括其中所述电池状态正常的第一水平和其中至少一个电池组故障被识别的第二水平。
在任何前述系统的另一非限制性实施例中,当达到第二水平时,警告信号由主监控系统或辅监控系统生成。
在任何前述系统的另一非限制性实施例中,当所述主监控系统已传送所述电池状态处于所述第二水平并且一旦所述第二水平已被识别则存在随后的与所述主监控系统的通信丢失时,所述警告信号由所述辅监控系统生成。
根据本公开的另一个示例性方面的系统尤其包括:主监控系统,所述主监控系统位于电池组中以确定电池状态;和辅监控系统,所述辅监控系统位于所述电池组的外部并被配置为经由CAN监控所述电池状态。当所述电池状态指示热失控事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号
在任何前述系统的另一非限制性实施例中,主监控系统监控电池特性以确定电池状态,并且其中当至少一个电池特性超过预定水平时,主监控系统生成检测信号。
在任何前述系统的另一非限制性实施例中,电池特性至少包括电池温度、电压和电流。
在任何前述系统的另一非限制性实施例中,响应于接收到检测信号的通信来激活辅监控系统。
在任何前述系统的另一非限制性实施例中,辅监控系统使用外部信息和检测信号来确定何时生成警告信号。
在任何前述系统的另一非限制性实施例中,所述外部信息包括与所述主监控系统的通信丢失,并且其中如果在所述检测信号已被传送之后存在与所述主监控系统的通信丢失,则所述辅监控系统生成所述警告信号。
根据本公开的另一个示例性方面的方法尤其包括:在电池组中提供主监控系统以确定电池状态;在所述电池组的外部定位辅监控系统,以经由CAN监控所述电池状态;以及当所述电池状态指示热失控事件时,经由所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
在前述方法的另一非限制性实施例中,主监控系统监控电池特性以确定电池状态,并且该方法包括:当至少一个电池特性超过预定水平时,经由主监控系统生成检测信号;以及响应于接收到检测信号的通信来激活辅监控系统。
在前述方法中的任一个的另一非限制性实施例中,该方法包括:如果在所述检测信号已被传送到所述辅监控系统之后存在与所述主监控系统的通信丢失,则经由所述辅监控系统生成所述警告信号。
前述段落、权利要求或以下描述和附图的实施例、示例和替代方案,包括其各个方面或相应单独特征中的任何一个,可以独立地或以任何组合方式被采用。结合一个实施例描述的特征可适用于所有实施例,除非此类特征是不兼容的。
根据以下具体实施方式,本公开的各种特征和优点对于本领域技术人员将变得明显。随附于具体实施方式的附图可以如下简要描述。
附图说明
图1示意性地示出了电动化车辆的电池组。
图2是电池组的主监控系统的流程图。
图3是与主监控系统通信的辅监控系统的流程图。
具体实施方式
本公开详述了系统和方法,其中用于电池组的主监控系统和辅监控系统彼此通信以检测不期望的热事件。更具体地,本公开详述了用于在电池组的电池状态指示热失控事件时生成警告信号的系统和方法。
图1示意性地示出了电动化车辆12,其可以是混合动力电动车辆(HEV)或其他电动化车辆,其包括但不限于插电式混合动力电动车辆(PHEV)、电池电动车辆(BEV)、燃料电池车辆等。车辆12包括电池组14,电池组14是示例性的电动化车辆电池。电池组14可以是高压牵引电池组,其包括能够输出电力和/或电气化车辆12的其他电气负载的多个电池总成16(即,电池阵列或电池单元组)。
如果电池变得热不稳定,则用于车辆电动化的高压电池可给车辆乘员带来不期望的状况。一个热不稳定的电池单元可引发相邻单元的热不稳定性。多单元热事件(例如热传播)可能释放足够的能量,以要求生成警告信号,从而使乘员可以离开车辆。
本发明提供了一种热事件检测系统,该热事件检测系统在一个示例性配置中包括:主监控系统20,其位于电池组14中以确定电池状态;和辅监控系统30,其位于电池组14的外部并被配置为例如经由诸如控制器局域网(CAN)40或其他类似网络之类的网络来监控电池状态。当电池状态包括达到预定水平的热事件时,主监控系统20和辅监控系统30中的至少一者生成警告信号50。一个此类热事件的示例是可能发生热传播的热失控事件。警告信号50可以触发警报器60,警报器60可以包括(一个或多个)视觉、触觉和/或可听部件。
主监控系统20监控一个或多个电池特性以确定电池状态。在一个示例中,当至少一个电池特性超过预定水平时,主监控系统20生成检测信号。电池特性可以包括电池温度、电压、电流等中的一者或多者。主监控系统20将检测信号传送到辅监控系统30。
如图2的示例中所示,主监控系统20可以将电池状态表征为风险等级。例如,如果没有一个电池特性超过预定水平,则存在一级低风险,例如无风险状况。这在图2的回路100中示出。如果电池特性中的至少一个超过预定水平,则存在二级或轻度风险。这将意味着发生热失控事件的风险的概率较低。这在图2中的步骤200处示出。如果电池特性的多于一个超过预定水平,则存在三级高风险。这将意味着发生热失控事件的风险的概率很高。这在图2中的步骤300处示出。
主监控系统20经由CAN 40将电池状态信息传送给辅监控系统30。如图3所示,当主监控系统20处于一级状态例如无风险状况时,辅监控系统30处于非警报状态400。当至少一个电池特性超过预定水平时,可能存在潜在的危险状况,并且检测信号被传送到辅监控系统30。该通信激活、唤醒或使辅监控系统30意识到存在热失控事件的可能性(见步骤500)。然后,辅监控系统30确定电池状态水平是否大于或等于二级,例如轻度风险等级,如步骤600处所指示。如果辅监控系统30确定电池状态小于轻度等级,则辅监控系统返回到非警报状态400,如700处所指示。如果辅监控系统30确定电池状态大于或等于轻度风险等级,则辅监控系统30前进到步骤800,在该步骤中,辅监控系统30确定电池状态是否等于三级,例如高风险等级。如果辅监控系统30确定电池状态小于高风险等级,则辅监控系统返回到低风险等级600,如步骤900处所指示。如果辅监控系统30确定电池状态大于或等于高风险等级,或者如果电池状态缺失,则辅监控系统30前进到步骤1000以触发警报60。
在一个示例中,除了电池状态之外,辅监控系统30还使用外部信息来确定何时生成警告信号50。在一个示例中,外部信息包括与主监控系统20的通信丢失。因此,例如,如果辅监控系统30已经从主监控系统20接收到指示轻度或高风险等级的检测信号,即辅监控系统30处于警报状态,则如果存在随后的与主监控系统20的通信丢失(例如,电池状态信号缺失和/或未被传送),辅监控系统30将生成警告信号50。
因此,本发明提供了一种分布在两个不同且独立的模块之间的检测机制。主监控系统20使用来自高压电池组14内部的针对各个单元16的温度、电压、电流等的直接测量。因此,该主监控系统20被安装在与电池单元16相同的物理外壳内。在一个示例中,电池能量控制模块(BECM)可以用作主监控系统20。辅监控系统30监控如由主监控系统20经由CAN 40传输的电池状态。如上所述,辅监控系统30可以使用外部信息以及电池状态信息来增加热失控事件的检测的统计置信度。安装在电池系统(例如电池组14)外部的任何控制模块都可以用作辅监控系统30。
主监控系统20传输渐进风险检测信号,该信号指示不期望的热事件(例如,低、轻度和高)的增加的概率。主监控系统20和辅监控系统30均具有触发警报器60的能力。辅监控系统30可以直接基于主监控系统的电池状态信号,或者基于检测信号结合外部状况(诸如与主监控系统20的通信丢失)来触发警报器60。
这是对先前配置的一种改进,在先前配置中,负责监控电池状态的微控制器仅位于电池组内。此位置使监控系统受到热传播事件早期释放的能量的损害。此外,电池监控系统包括数百个感测电路,每个感测电路都具有预期的故障概率。对于传统的监控系统,传感器故障通常具有类似于在热失控事件期间测得的电信号的电信号。这为检测方法增加了固有的不确定性,并增加了误报的风险。
本发明通过使用两个独立的监控系统来减少误报的数量。此外,如果没有发生热失控事件,则主监控系统20不会无意中宣布发生热失控,因为电池状态信号仍可用于辅监控系统30。此外,分布式检测减少了由于丢失主监控系统而导致失去热失控检测的机会,因为一旦辅监控系统检测到该丢失,便会触发警报。该系统的另一个好处是不需要额外的传感器,并且可以在不增加系统成本的情况下使用现有的系统架构。
尽管不同的非限制性实施例被示出为具有特定的部件或步骤,但是本公开的实施例不限于那些特定组合。可以将来自非限制性实施例中的任一者的一些部件或特征与来自其他非限制性实施例中的任一者的特征或部件组合使用。
应当理解,贯穿若干图示,相似的附图标记标识对应或类似的元件。应当理解,尽管在这些示例性实施例中公开和示出了特定的部件布置,但是其他布置也可以受益于本公开的教导。
前述描述应当被解释为说明性的而不是以任何限制性意义来解释。本领域普通技术人员将理解,在本公开的范围内可以出现一些修改。出于这些原因,应研究以下权利要求来确定本公开的真实范围和内容。
根据本发明,提供了一种系统,该系统具有:主监控系统,所述主监控系统用于确定电池组的电池状态;辅监控系统,所述辅监控系统被配置为监控如由所述主监控系统经由网络传送的所述电池状态;并且其中当所述电池状态包括达到预定水平的热事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
根据实施例,主监控系统监控至少一个电池特性并且基于至少一个电池特性来确定电池状态。
根据实施例,至少一个电池特性包括电池温度、电压或电流中的至少一者。
根据实施例,主监控系统位于电池组内。
根据实施例,辅监控系统位于电池组的外部。
根据实施例,网络包括CAN。
根据实施例,辅监控系统使用外部信息和电池状态来确定何时生成警告信号。
根据实施例,外部信息包括与主监控系统的通信丢失。
根据实施例,所述热事件包括热失控事件,并且其中所述预定水平至少包括其中所述电池状态正常的第一水平和其中至少一个电池组故障被识别的第二水平。
根据实施例,当达到所述第二水平时,所述警告信号由所述主监控系统或辅监控系统生成。
根据实施例,当所述主监控系统已传送所述电池状态处于所述第二水平并且一旦所述第二水平已被识别则存在随后的与所述主监控系统的通信丢失时,所述警告信号由所述辅监控系统生成。
根据本发明,提供了一种系统,该系统具有:主监控系统,所述主监控系统位于电池组中以确定电池状态;辅监控系统,所述辅监控系统位于所述电池组的外部并被配置为经由CAN监控所述电池状态;并且其中当所述电池状态指示热失控事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
根据实施例,所述主监控系统监控电池特性以确定所述电池状态,并且其中当至少一个电池特性超过预定水平时,所述主监控系统生成检测信号。
根据实施例,电池特性至少包括电池温度、电压和电流。
根据实施例,响应于接收到检测信号的通信来激活辅监控系统。
根据实施例,辅监控系统使用外部信息和检测信号来确定何时生成警告信号。
根据实施例,所述外部信息包括与所述主监控系统的通信丢失,并且其中如果在所述检测信号已被传送之后存在与所述主监控系统的通信丢失,则所述辅监控系统生成所述警告信号。
根据本发明,一种方法包括:在电池组中提供主监控系统以确定电池状态;在所述电池组的外部定位辅监控系统,以经由CAN监控所述电池状态;以及当所述电池状态指示热失控事件时,经由所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
在本发明的一个方面,所述主监控系统监控电池特性以确定所述电池状态,并且包括:当至少一个电池特性超过预定水平时,经由所述主监控系统生成检测信号;以及响应于接收到所述检测信号的通信来激活所述辅监控系统。
在本发明的一个方面,该方法包括:如果在所述检测信号已被传送到所述辅监控系统之后存在与所述主监控系统的通信丢失,则经由所述辅监控系统生成所述警告信号。
Claims (15)
1.一种系统,其包括:
主监控系统,所述主监控系统用于确定电池组的电池状态;
辅监控系统,所述辅监控系统被配置为监控如由所述主监控系统经由网络传送的所述电池状态;并且
其中当所述电池状态包括达到预定水平的热事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
2.如权利要求1所述的系统,其中所述主监控系统监控至少一个电池特性并且基于所述至少一个电池特性来确定所述电池状态,并且任选地,其中所述至少一个电池特性包括电池温度、电压或电流中的至少一者。
3.如权利要求1所述的系统,其中所述主监控系统位于所述电池组内。
4.如权利要求1所述的系统,其中所述辅监控系统位于所述电池组的外部。
5.如权利要求1所述的系统,其中所述网络包括CAN。
6.如权利要求1所述的系统,其中所述辅监控系统使用外部信息和所述电池状态来确定何时生成所述警告信号,并且任选地,其中所述外部信息包括与所述主监控系统的通信丢失。
7.如权利要求6所述的系统,其中所述热事件包括热失控事件,并且其中所述预定水平至少包括其中所述电池状态正常的第一水平和其中至少一个电池组故障被识别的第二水平,并且任选地,
其中当达到所述第二水平时,所述警告信号由所述主监控系统或所述辅监控系统生成,或者
其中当所述主监控系统已传送所述电池状态处于所述第二水平并且一旦所述第二水平已被识别则存在随后的与所述主监控系统的通信丢失时,所述警告信号由所述辅监控系统生成。
8.一种系统,其包括:
主监控系统,所述主监控系统位于电池组中以确定电池状态;
辅监控系统,所述辅监控系统位于所述电池组的外部并被配置为经由CAN监控所述电池状态;并且
其中当所述电池状态指示热失控事件时,所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
9.如权利要求8所述的系统,其中所述主监控系统监控电池特性以确定所述电池状态,并且其中当至少一个电池特性超过预定水平时,所述主监控系统生成检测信号,并且任选地,其中所述电池特性至少包括电池温度、电压和电流。
10.如权利要求9所述的系统,其中响应于接收到所述检测信号的通信来激活所述辅监控系统。
11.如权利要求10所述的系统,其中所述辅监控系统使用外部信息和所述检测信号来确定何时生成所述警告信号。
12.如权利要求11所述的系统,其中所述外部信息包括与所述主监控系统的通信丢失,并且其中如果在所述检测信号已被传送之后存在与所述主监控系统的通信丢失,则所述辅监控系统生成所述警告信号。
13.一种方法,其包括:
在电池组中提供主监控系统以确定电池状态;
在所述电池组的外部定位辅监控系统,以经由CAN监控所述电池状态;以及
当所述电池状态指示热失控事件时,经由所述主监控系统和所述辅监控系统中的至少一者生成警告信号。
14.如权利要求13所述的方法,其中所述主监控系统监控电池特性以确定所述电池状态,并且包括:当至少一个电池特性超过预定水平时,经由所述主监控系统生成检测信号;以及响应于接收到所述检测信号的通信来激活所述辅监控系统。
15.如权利要求14所述的方法,其包括:如果在所述检测信号已被传送到所述辅监控系统之后存在与所述主监控系统的通信丢失,则经由所述辅监控系统生成所述警告信号。
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102608464B1 (ko) * | 2016-10-05 | 2023-12-01 | 삼성전자주식회사 | 배터리를 관리하는 방법 및 장치 |
US11262408B2 (en) * | 2020-02-24 | 2022-03-01 | Ford Global Technologies, Llc | Vehicle traction battery over-discharge diagnosing method and assembly |
CN112297848A (zh) * | 2020-09-15 | 2021-02-02 | 东风时代(武汉)电池系统有限公司 | 电池包热失控控制方法、控制器、设备及汽车 |
CN112590553A (zh) * | 2020-12-21 | 2021-04-02 | 凯博能源科技有限公司 | 电池箱、电动汽车及电池箱热失控控制方法 |
CN113442725B (zh) * | 2021-04-30 | 2022-07-08 | 重庆长安汽车股份有限公司 | 一种动力电池热失控报警方法、系统和车辆 |
DE102021209870B4 (de) | 2021-09-07 | 2023-03-16 | Volkswagen Aktiengesellschaft | Verfahren zum automatischen Überwachen eines Kraftfahrzeugs auf Anomalien und Kraftfahrzeug |
Family Cites Families (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990001221A1 (en) | 1988-07-27 | 1990-02-08 | Gnb Incorporated | Monitoring device for electric storage battery and configuration therefor |
US5563496A (en) | 1990-12-11 | 1996-10-08 | Span, Inc. | Battery monitoring and charging control unit |
US5914656A (en) | 1997-04-10 | 1999-06-22 | Nexsys Comtech International, Inc. | Environmental condition detector transmitter interface |
US5965997A (en) | 1997-08-20 | 1999-10-12 | Benchmarq Microelectronics | Battery monitoring circuit with storage of charge and discharge accumulation values accessible therefrom |
KR100354243B1 (ko) | 1999-04-21 | 2002-09-28 | 삼성에스디아이 주식회사 | 이차전지의 충전 및 방전 상태를 모니터링 및 제어하기 위한 데이터를 발생시키는 방법 |
US6697897B1 (en) | 1999-10-28 | 2004-02-24 | Microchip Technology Incorporated | Data communication interface between host and slave processors |
KR20030075382A (ko) | 2002-03-18 | 2003-09-26 | (주)에스피에스 | 업그레이드가 가능한 스마트 배터리 팩 |
US20150057728A1 (en) | 2002-12-12 | 2015-02-26 | Bio Control Medical (B.C.M.) Ltd. | Efficient dynamic stimulation in an implanted device |
US7612472B2 (en) | 2004-01-23 | 2009-11-03 | American Power Conversion Corporation | Method and apparatus for monitoring energy storage devices |
US7636981B2 (en) | 2005-10-12 | 2009-12-29 | Concord Tool & Manufacturing, Inc. | Windshield wiper arm with hemmed distal end |
CA2564029C (en) | 2005-10-14 | 2013-07-09 | Research In Motion Limited | Interface and communication protocol for a mobile device with a smart battery |
EP1806592B1 (en) | 2005-12-29 | 2017-01-18 | Semiconductor Components Industries, LLC | Method and system for monitoring battery stacks |
CN101529646B (zh) | 2006-07-19 | 2012-07-11 | A123系统公司 | 用于监控和平衡电池组中的电池的方法和系统 |
US7859223B2 (en) | 2007-01-31 | 2010-12-28 | Analog Devices, Inc. | Battery montoring apparatus and daisy chain interface suitable for use in a battery monitoring apparatus |
US7433794B1 (en) | 2007-07-18 | 2008-10-07 | Tesla Motors, Inc. | Mitigation of propagation of thermal runaway in a multi-cell battery pack |
KR101008446B1 (ko) | 2008-07-29 | 2011-01-14 | 콘티넨탈 오토모티브 시스템 주식회사 | Ecu 동작 제어 방법 |
US10486720B2 (en) * | 2008-08-04 | 2019-11-26 | Ge Global Sourcing Llc | Vehicle communication systems and control systems |
US8022669B2 (en) | 2009-01-06 | 2011-09-20 | O2Micro International Limited | Battery management system |
JP2010268350A (ja) | 2009-05-18 | 2010-11-25 | Renesas Electronics Corp | 終端抵抗調整回路 |
US8791669B2 (en) | 2010-06-24 | 2014-07-29 | Qnovo Inc. | Method and circuitry to calculate the state of charge of a battery/cell |
US10067198B2 (en) | 2010-05-21 | 2018-09-04 | Qnovo Inc. | Method and circuitry to adaptively charge a battery/cell using the state of health thereof |
US8970178B2 (en) | 2010-06-24 | 2015-03-03 | Qnovo Inc. | Method and circuitry to calculate the state of charge of a battery/cell |
US9142994B2 (en) | 2012-09-25 | 2015-09-22 | Qnovo, Inc. | Method and circuitry to adaptively charge a battery/cell |
US8595605B2 (en) | 2010-08-20 | 2013-11-26 | Qualcomm Incorporated | Systems and methods for memory management |
JP2012048857A (ja) | 2010-08-24 | 2012-03-08 | Toshiba Corp | 二次電池装置および車両 |
US8143857B2 (en) | 2010-12-22 | 2012-03-27 | O2Micro Inc. | Battery monitoring systems |
US9196930B2 (en) * | 2011-03-24 | 2015-11-24 | Ford Global Technologies, Llc | Vehicle battery cell with integral control circuit |
US8168315B1 (en) | 2011-08-23 | 2012-05-01 | Tesla Motors, Inc. | Method for detecting battery thermal events via battery pack isolation monitoring |
US9341678B2 (en) | 2011-09-28 | 2016-05-17 | Alliance For Sustainable Energy, Llc | Fail-safe designs for large capacity battery systems |
WO2013085996A1 (en) | 2011-12-05 | 2013-06-13 | The Goverment Of The United States Of Amreica, As Represented By The Secretary Of The Navy | Battery health monitoring system and method |
US9178203B2 (en) | 2012-02-15 | 2015-11-03 | GM Global Technology Operations LLC | Battery module with a flexible bus |
US9797784B2 (en) | 2012-03-07 | 2017-10-24 | Apple Inc. | Communication and monitoring of a battery via a single wire |
US8930800B2 (en) | 2012-08-14 | 2015-01-06 | GM Global Technology Operations LLC | Method and apparatus of triple-decoding for IEEE 802.11p physical layer mechanism |
US9063018B1 (en) | 2012-10-22 | 2015-06-23 | Qnovo Inc. | Method and circuitry to determine temperature and/or state of health of a battery/cell |
US9395774B2 (en) * | 2012-12-28 | 2016-07-19 | Intel Corporation | Total platform power control |
US9302595B2 (en) | 2013-01-16 | 2016-04-05 | Ford Global Technologies, Llc | Autonomous charge balancing circuit and method for battery pack |
US9766298B2 (en) | 2013-06-19 | 2017-09-19 | Volvo Truck Corporation | Method for estimating state of health of a battery in a hybrid vehicle |
DE102013215968A1 (de) | 2013-08-13 | 2015-03-12 | Robert Bosch Gmbh | Elektromechanischer Adapter |
US9140759B2 (en) | 2013-11-12 | 2015-09-22 | Ford Global Technologies, Llc | Electric vehicle battery pack voltage monitoring |
US9381825B2 (en) | 2014-02-20 | 2016-07-05 | Ford Global Technologies, Llc | State of charge quality based cell balancing control |
US9428073B2 (en) | 2014-02-21 | 2016-08-30 | GM Global Technology Operations LLC | System and method of monitoring a performance level of a battery |
US10446887B2 (en) * | 2014-07-21 | 2019-10-15 | Ford Global Technologies, Llc | Battery thermal management system including thermal interface material with integrated heater element |
US20160023566A1 (en) | 2014-07-28 | 2016-01-28 | Ford Global Technologies, Llc | Reduced order electrochemical battery model for vehicle control |
US9751427B2 (en) | 2014-09-03 | 2017-09-05 | Ford Global Technologies, Llc | Vehicle traction battery thermal conditioning |
US9649944B2 (en) | 2015-04-21 | 2017-05-16 | Atieva, Inc. | Method of providing constant driving range in an electric vehicle |
US10665913B2 (en) | 2015-05-12 | 2020-05-26 | GM Global Technology Operations LLC | Thermal propagation mitigation for HV battery modules |
US10164450B2 (en) * | 2015-08-17 | 2018-12-25 | Ford Global Technologies, Llc | Early alert of battery thermal state based on voltage |
US10514683B2 (en) | 2015-09-16 | 2019-12-24 | Profire Energy, Inc. | Distributed networking system and method to implement a safety state environment |
US10432754B2 (en) | 2015-09-16 | 2019-10-01 | Profire Energy, Inc | Safety networking protocol and method |
US10128546B2 (en) | 2016-06-07 | 2018-11-13 | Ford Global Technologies, Llc | Battery communication system for battery packs |
CN108051750A (zh) | 2017-11-22 | 2018-05-18 | 成都欧远信电子科技有限公司 | 电动汽车电池安全监控系统 |
CN108177525A (zh) | 2017-12-28 | 2018-06-19 | 上汽通用五菱汽车股份有限公司 | 电动汽车及动力蓄电池安全管理控制方法 |
-
2018
- 2018-11-19 US US16/194,680 patent/US10994617B2/en active Active
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US20200156475A1 (en) | 2020-05-21 |
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