CN108688482B - 用于车辆的电池的风道系统及其控制方法 - Google Patents
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Abstract
本发明涉及一种用于车辆的电池的风道系统及其控制方法,其中用于车辆的电池的风道系统包括:基体,其具有与电池容纳空间连通的通风孔;翻门,其布置在基体上,选择性地打开或遮挡通风孔;以及切断开关,其被配置成支撑翻门,使得通风孔在被施加操作命令之前保持打开状态,并且在被施加使翻门遮挡通风孔的操作命令的情况下,从切断开关释放支撑。
Description
技术领域
本发明涉及一种用于车辆的电池的风道系统及其控制方法,本发明更具体涉及以下这种用于车辆的电池的风道系统及其控制方法,其能够在电池中发生火灾时,通过遮挡用于冷却电池的通风孔,来保护车辆乘客免受因电池火灾而被引入到车辆中的有毒气体和火焰。
背景技术
诸如混合动力车辆和电动车辆等环保型车辆,被配置成包括可存储电能的高电压电池、作为动力源的电动机、以及用于驱动该电动机的逆变器。
环保型车辆被配置成包括进气管,该进气管被设计成在强热条件下利用用于冷却高电压电池的单独的鼓风机吸入室内空气,对电池元件进行冷却,然后将吸入的室内空气排放到电池的外部。
然而,目前的车辆的进气管具有始终敞开的结构,并且位于乘客座位的正下方,因而在高电压电池中发生火灾时有毒气体和火焰会被引入到车辆中,从而伤害乘客。
因此,需要一种解决方案,其能够在高电压电池中发生火灾时,防止因火灾引起的有毒气体和火焰进入到车辆中。
在背景技术部分中公开的上述信息仅仅用于增强对本发明背景的理解,因此可能包含不构成在本国中本领域普通技术人员公知的现有技术的信息。
发明内容
本发明的目的在于提供一种用于车辆的电池的风道系统及其控制方法,其能够在电池中发生火灾时,通过遮挡用于冷却电池的通风孔,来保护车辆乘客免受因电池火灾而被引入到车辆中的有毒气体和火焰。
根据本发明的示例性实施例,一种用于车辆的电池的风道系统,包括:基体,其具有与电池容纳空间连通的通风孔;翻门,其布置在基体上,选择性地打开或遮挡通风孔;以及切断开关,其被配置成支撑翻门,使得通风孔在被施加操作命令之前保持打开状态,并且在被施加使翻门遮挡通风孔的操作命令的情况下,从切断开关释放支撑。
风道系统,还包括:控制器,在以下情况下向切断开关施加操作命令:单电池温度等于或高于参考温度、单电池电压等于或大于参考电压、检测到碰撞、或者检测到火灾。
风道系统,还可包括:上盖,其形成在用于覆盖基体的结构中。
风道系统,还包括:碰撞检测开关,其位于电池的一侧或后部,用于检测车辆的碰撞。
风道系统,还包括:位置开关,其形成在基体中的两个通风孔之间,用于表明翻门是否打开。
根据本发明的另一个示例性实施方式,一种用于车辆的电池的风道系统,包括:基体,其具有与电池容纳空间连通的通风孔,以及形成在通风孔的一侧的铰链部;翻门,翻门的一端联结到铰链部;弹簧,其被配置成向铰链部提供弹力,以便在未施加外力时,保持翻门遮挡通风孔的状态;以及切断开关,其被配置成通过在翻门的另一端支撑翻门,以便在施加外部冲击之前使通风孔保持在打开状态,并且在施加外部冲击时,从切断开关释放支撑,利用弹簧的弹力作用,使翻门遮挡通风孔。
根据本发明的另一个示例性实施方式,一种用于车辆的电池的风道系统的控制方法,包括以下步骤:确定是否满足切断开关的操作条件;以及在满足切断开关的操作条件时,由控制器操作切断开关,其中切断开关的操作条件为以下情况:单电池温度等于或高于参考温度、单电池电压等于或大于参考电压、检测到碰撞、或者检测到火灾。
在切断开关的操作条件中,在单电池温度等于或高于参考温度的情况下,当确定出单电池温度等于或高于参考温度时,确定单电池温度是否保持在预定温度,并且如果确定出单电池温度未保持在预定温度,则在预定时间之后再次确定单电池温度是否等于或高于参考温度。
在切断开关的操作条件中,在单电池电压等于或大于参考电压的情况下,当确定出单电池电压等于或大于参考电压时,在预定时间之后确定单电池间的电压差是否等于或大于参考电压差。
在切断开关的操作条件中,检测碰撞的情况是指处于开启状态的碰撞开关因碰撞而关断,或者安全气囊信号因碰撞而产生的情况。
附图说明
图1是根据本发明的示例性实施例,当翻门处于打开状态下时用于车辆的电池的风道系统的配置图;
图2是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的分解图;
图3是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的侧视图;
图4是示出根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的翻门的视图;
图5是根据本发明的示例性实施例,当翻门处于遮挡状态下时用于车辆的电池的风道系统的配置图;
图6是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的配置图;
图7是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的控制方法的流程图。
具体实施方式
在下文中,将参照附图描述根据本发明各种示例性实施例的用于车辆的电池的风道系统及其控制方法。
图1是根据本发明的示例性实施例,当翻门处于打开状态下时用于车辆的电池的风道系统的配置图;图2是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的分解图;图3是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的侧视图;图4是示出根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的翻门的视图;图5是根据本发明的示例性实施例,当翻门处于遮挡状态下时用于车辆的电池的风道系统的配置图;图6是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的配置图;图7是根据本发明的示例性实施例,处于遮挡状态下的用于车辆的电池的风道系统的控制方法的流程图。
首先参照图1和图2,根据本发明的示例性实施例的用于车辆的电池的风道系统包括:基体10,其被配置成具有与电池容纳空间(未示出)连通的通风孔11(例如,11a和11b);翻门(flap door)20,其被配置成安装在基体10上,以选择性地打开或遮挡通风孔11;以及切断开关(cutoff switch)50,其被配置成支撑翻门20,以便在施加操作命令之前,使通风孔11保持打开状态,并且在施加使翻门20遮挡通风孔11的操作命令时,释放支撑状态。
在此配置中,基体10具有用于冷却电池的通风孔11。根据本发明的示例性实施例,通风孔11可以形成为两个。此外,基体10可包括联结到翻门20的联结部和用于支撑切断开关50的支撑部。
通过将基体10的通风孔11的一端联结到铰链31(例如,31a和31b)和弹簧41,当翻门20的一端不受外力时,翻门20可以在弹簧41(例如,41a和41b)的弹力作用下遮挡基体10的通风孔。此外,遮挡基体10的通风孔11的翻门20的通风孔遮挡部具有足够的尺寸,以便在通风孔11被遮挡时封闭通风孔11。
根据本发明的示例性实施例,用于车辆的电池的风道系统可包括上盖60,其被配置成形成在用于覆盖基体10的结构中。
切断开关50由基体10的切断开关50的支撑部支撑,并且可通过固定夹等联结到基体10的支撑部。
作为本发明的一个实施例,切断开关50可以是粉末型开关。此外,在切断开关50工作之前,该开关的内活塞可被固定在前进状态,并且利用在切断开关50工作期间的内部火药爆炸,该活塞处于反向状态下。
通过利用粉末型开关,即使在因辅助电池等的破损而处于断电条件下,切断开关50仍能工作。
参照图3,切断开关50的内活塞可以支撑翻门20,以便在切断开关50工作之前,翻门20不会因弹簧41的弹力作用而受遮挡。参照图4,翻门20可在切断开关50工作之前,在前进状态下联结到活塞,以形成可维持打开状态的槽21。翻门20具有桶状,其确保冷却通道的横截面积尽可能多地处于用于冷却电池的打开状态。
参照图5,在切断开关50工作时,活塞在内部火药的爆炸作用下从前进状态向后移动,使得由切断开关50的活塞联结的翻门20,在弹簧41a和41b的弹力作用下遮挡基体10的通风孔11。
根据本发明的示例性实施例,用于车辆的电池的风道系统还可包括碰撞检测开关(未示出),其位于电池的一侧或后部,并被配置成检测车辆的碰撞。
在此,碰撞检测开关可通过碰撞变形而工作,并且可以在工作之前保持在接通状态,在因碰撞而工作的情况下处于关闭状态。
根据本发明的示例性实施例,用于车辆的电池的风道系统还可包括位置开关70,其被配置成附接在基体10的两个通风孔11a和11b之间。
在此,当翻门20被遮挡时,位置开关70关闭,并且当翻门20处于打开状态下时,位置开关70保持在开启状态下。通过这样做,位置开关70总是监控翻门20的打开状态,并且在翻门20因切断开关50的操作而被遮挡时,位置开关70将危险消息传输至DTC代码和仪表群。
根据本发明的示例性实施例,用于车辆的电池的风道系统还可以包括控制器200,其被配置成当单电池温度等于或大于参考温度时、单电池电压等于或大于参考电压时、检测到碰撞时、或者发生火灾时,向切断开关50施加操作命令。
在此,根据本发明的示例性实施例,参考温度可以是70℃,电池电压可以是4.8V。根据本发明的示例性实施例,检测到碰撞的情况可以是碰撞检测开关因碰撞而被关断或者因碰撞而产生安全气囊展开信号的情形。另外,根据本发明的示例性实施例,发生火灾的情况可以是由于在电池中发生火灾,而使热熔断器关断的情形。
参照图6,根据本发明的示例性实施例,用于车辆的电池的风道系统还可包括翻门控制器300。当接收到来自控制器200的操作命令时,翻门控制器300操作切断开关50。
控制器200或翻门控制器300是执行软件的指令的电路,从而执行在下文中所述的各种功能。
翻门控制器300的内部可设有电容器310。因此,即使在因12V辅助电池400等发生破损而切断电源的条件下,翻门20仍可以遮挡。
参照图2,根据本发明的示例性实施例的用于车辆的电池的风道系统包括:基体10,其被配置成具有与电池容纳空间连通的通风孔11以及形成在通风孔11一侧的铰链部13;翻门20,其被配置成具有联结到其一端的铰链部13;弹簧41,其被配置成设置在铰链部13上以提供弹力,以便在未施加外力时使翻门20保持遮挡通风孔11的状态;和切断开关50,其被配置成通过在翻门20的另一端处支撑翻门20,以便在施加外部冲击之前使通风孔11保持在打开状态,当施加外部冲击时释放支撑状态,利用弹簧41的弹力作用,使翻门20遮挡通风孔11。
在此,基体10的铰链部13可被联结到铰链31和弹簧41。
参照图7,根据本发明的示例性实施例的用于车辆的电池的风道系统的控制方法包括:确定是否满足切断开关的操作条件(S100);当满足切断开关的操作条件时,操作该切断开关(S700)。在此,切断开关的操作条件可以是单电池温度等于或大于参考温度(S200),单电池电压等于或大于参考电压(S300),检测到碰撞(S400、S430)或者检测到火灾(S500)等情况。
在确定是否满足切断开关的操作条件中(S100),在切断开关的操作条件中,在单电池温度等于或高于参考温度的情况下,当单电池温度等于或高于参考温度时,可以确定单电池温度是否为预定温度,并且当单电池温度不是预定温度时,在预定时间之后再次确定单电池元件温度是否等于或高于参考温度(S200、S230、S250、S270)。
在此,如上所述,参考温度可以是75℃,并且根据本发明的示例性实施例,该预定温度可以是120℃,并且预定时间可以是5秒。在确定单电池温度是否等于或高于75℃之后确定单电池温度是120℃的原因在于,由于在电池单元断开时测量120℃的温度,因此可防止因过热而引起切断开关发生故障。
在确定是否满足切断开关的操作条件中(S100),在切断开关的操作条件中,当单电池电压等于或大于参考电压时,在预定时间过去之后,确定单电池间的电压差是否等于或大于参考电压差(S300、S330、S350)。
在此,如上所述,参考电压可以是4.8V,并且根据本发明的示例性实施例,该预定时间可以是5秒,并且参考电压差可以是0.5V。确定单电池间的电压差的原因在于,当单电池间的电压差等于或大于参考电压差时,可防止因感应线(sensing line)的缺点而引起切断开关出现故障。
在确定是否满足切断开关的操作条件中(S100),在切断开关的操作条件中,检测到碰撞的情况可以是指在处于开启状态的碰撞开关因碰撞而关断,或者安全气囊信号因碰撞而产生的情况(S400、S430)。
如上所述,根据本发明各种示例性实施例的用于车辆的电池的风道系统及其控制方法,可以保护车辆乘客免受因电池火灾引入车辆中的有毒气体和火焰。
此外,可以克服目前车辆的布局限制。也就是说,可以安装在当前的管道中。
此外,通过使用粉末型开关,即使在辅助电池等发生破损而切断电源的条件下,仍可以工作。
尽管已关于具体的示例性实施例,示出并描述了本发明,然而,对于本领域的技术人员来说,显而易见的是,在不背离由权利要求限定的本发明的精神和范围的情况下,本发明还可以被不同地修改和改变。
Claims (10)
1.一种用于车辆的电池的风道系统,包括:
基体,其具有与电池容纳空间连通的通风孔;
翻门,其具有槽并且布置在所述基体上,选择性地打开或遮挡所述通风孔;以及
切断开关,其具有内活塞并且被配置成支撑所述翻门,使得所述通风孔在被施加操作命令之前保持打开状态,并且在被施加使所述翻门遮挡所述通风孔的操作命令的情况下,从所述切断开关释放支撑,
其中,所述切断开关是粉末型开关,并且由所述基体的支撑部支撑,并且
其中,所述风道系统还包括:
控制器,在单电池温度等于或高于参考温度或者检测到火灾时向所述切断开关施加操作命令,并且
其中,所述翻门的槽联结到所述内活塞以维持打开状态。
2.根据权利要求1所述的风道系统,
其中,所述控制器还被配置成在以下情况下向所述切断开关施加操作命令:单电池温度等于或高于参考温度、或者检测到碰撞。
3.根据权利要求1所述的风道系统,还包括:
上盖,其形成在用于覆盖所述基体的结构中。
4.根据权利要求1所述的风道系统,还包括:
碰撞检测开关,其位于电池的一侧或后部,用于检测车辆的碰撞。
5.根据权利要求1所述的风道系统,还包括:
位置开关,其形成在所述基体中的两个通风孔之间,用于表明所述翻门是否打开。
6.一种用于根据权利要求2所述的风道系统的控制方法,包括以下步骤:
通过控制器确定是否满足切断开关的操作条件;以及
在满足切断开关的操作条件时,由控制器操作切断开关,
其中切断开关的操作条件为以下情况:单电池温度等于或高于参考温度、单电池电压等于或大于参考电压、检测到碰撞、或者检测到火灾。
7.根据权利要求6所述的控制方法,其中在切断开关的操作条件中,在单电池温度等于或高于参考温度的情况下,当确定出单电池温度等于或高于参考温度时,确定单电池温度是否保持在预定温度,并且如果确定出单电池温度未保持在预定温度,则在预定时间之后再次确定单电池温度是否等于或高于参考温度。
8.根据权利要求6所述的控制方法,其中在切断开关的操作条件中,在单电池电压等于或大于参考电压的情况下,当确定出单电池电压等于或大于参考电压时,在预定时间之后确定单电池间的电压差是否等于或大于参考电压差。
9.根据权利要求6所述的控制方法,其中在切断开关的操作条件中,检测碰撞的情况是指处于开启状态的碰撞开关因碰撞而关断,或者安全气囊信号因碰撞而产生的情况。
10.一种用于车辆的电池的风道系统,包括:
基体,其具有与电池容纳空间连通的通风孔,以及形成在所述通风孔的一侧的铰链部;
翻门,所述翻门的一端联结到所述铰链部并且所述翻门具有槽;
弹簧,其被配置成向所述铰链部提供弹力,以便在未施加外力时,保持所述翻门遮挡所述通风孔的状态;以及
切断开关,其具有内活塞并且被配置成在所述翻门的另一端支撑所述翻门,以便在施加外部冲击之前使所述通风孔保持在打开状态,并且在施加外部冲击时释放支撑,以利用弹簧的弹力作用使所述翻门遮挡所述通风孔,
其中,所述切断开关是粉末型开关,并且由所述基体的支撑部支撑,并且
其中,所述风道系统还包括:
控制器,在单电池温度等于或高于参考温度或者检测到火灾时向所述切断开关施加操作命令,并且
其中,所述翻门的槽联结到所述内活塞以维持打开状态。
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