CN112310770B - 电源装置 - Google Patents
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Abstract
本发明提供一种能够在不较大程度地改变蓄电池封装体侧的结构的情况下应对电动车的车种、等级的差异,并且能够实现较高的维护性的电源装置。电源装置(1)具备电动车用的IPU(蓄电池封装体)(10)和对IPU及多个辅机(电气设备)(20a~20e)进行连接的接口部(7)。接口部具有:分支连接器(30),其具有供与多个辅机分别连接的分支电缆(连接线)(72)汇合的结合部(25)及配置于分支电缆(50)的多个熔丝(31);以及能够连结分支连接器的IPU侧连接器(120),构成为能够在分支连接器与IPU侧连接器连结的状态下从IPU经由结合部(25)而向多个辅机分别供给电力。
Description
技术领域
本发明涉及一种在蓄电池封装体连接有多个电气设备的电源装置。
背景技术
以往,在电动车所使用的蓄电池封装体中,在蓄电池封装体的内部配置具有熔丝板的接线盒,在该接线盒内与电气设备(辅机)的数量相对应地进行了高电压的分支。在从熔丝板到蓄电池封装体的出口的范围设置与分支数相同数量的电缆(连接线),并且在电缆的处于蓄电池封装体的出口处的终端部还设置与分支数相同数量的连接器,进行了蓄电池封装体与多个电气设备之间的电连接。
作为公开与熔丝、连接器相关的技术的文献,存在专利文献1~4。在专利文献1、专利文献2记载有与带熔丝的连接器相关的技术,在专利文献3、专利文献4记载有使多根电缆汇集在一个连接器的技术。
在先技术文献
专利文献
专利文献1:日本特开2004-206910号公报
专利文献2:日本特开2006-352967号公报
专利文献3:日本特开2001-135419号公报
专利文献4:日本特开2008-108699号公报
由于电动化的进展,导致高电压的电气设备增加,从蓄电池封装体引出的连接线的分支数也增加。在需要追加与分支数的量相应的电缆、连接器的以往技术中,产生部件个数的增加及配置空间的不足这样的课题。另外,若因电动车的车种、等级(规格)而导致电气设备的数量发生变化,则会产生连接线的分支数、连接器数的增减,需要根据车种、等级来设定将蓄电池封装体的连接线引出的部分的盖部件的构造等,还成为成本高的原因。另外,为了对在蓄电池封装体的内部配置的熔丝进行维护,需要进行将蓄电池封装体从电动车上的设置部位取下并打开蓄电池封装体的罩的作业,在维护性的提高这点还存在改善的余地。
发明内容
发明要解决的课题
本发明的目的在于,提供能够在不较大程度地改变蓄电池封装体侧的结构的情况下应对电动车的车种、等级的差异,并且能够实现较高的维护性的电源装置。
用于解决课题的方案
(1)本发明涉及一种电源装置,其具备:电动车用的蓄电池封装体(例如,后述的IPU10);以及接口部(例如,后述的接口部7),其对所述蓄电池封装体和多个电气设备(例如,后述的辅机20a、20b、20c、20d、20e)进行连接,在电源装置(例如,后述的电源装置1)中,所述接口部具有:分支连接器(例如,后述的分支连接器30),其具有供连接线(例如,后述的分支电缆50)汇合的结合部(例如,后述的结合部25)及配置于所述连接线的多个熔丝(例如,后述的熔丝31),所述连接线与多个所述电气设备分别连接;以及能够连结所述分支连接器的蓄电池侧连接器(例如,后述的IPU侧连接器120),其与所述蓄电池封装体的蓄电池(例如,后述的蓄电池11)电连接,所述接口部构成为能够在所述分支连接器与所述蓄电池侧连接器连结的状态下从所述蓄电池经由所述结合部而向多个所述电气设备分别供给电力。
由此,能够通过仅进行分支连接器的插拔,集中地进行蓄电池封装体侧与多个电气设备侧各自之间的连接作业及连接的解除作业,作业性提高。此外,即使在辅机的数量因车种、等级而不同的情况下,也能够通过仅变更分支连接器的结构来进行应对,无需事先区分蓄电池封装体的规格,制造性也提高。另外,能够使从蓄电池封装体引出的连接线的位置汇集在一处,还能够实现省空间性。
(2)在(1)所记载的电源装置中,优选的是,所述蓄电池封装体设置于所述电动车的地板(例如,后述的地板3)下,所述蓄电池侧连接器配置于所述蓄电池封装体的侧面(例如,后述的侧壁111),能够将所述分支连接器沿水平方向相对于所述蓄电池侧连接器进行插拔。
由此,即使在蓄电池封装体设置于地板下的情况下,也能够顺畅地进行分支连接器相对于蓄电池侧连接器的插拔作业。
(3)在(1)或(2)所记载的电源装置中,优选的是,所述蓄电池侧连接器的一部分或全部设置于所述蓄电池封装体的内部,所述分支连接器能够从所述蓄电池封装体的外部进行插拔。
由此,能够在不从设置部位取下或进行分解的情况下从蓄电池封装体的外侧进行分支连接器的插拔作业。另外,能够将需要分支的电力分支部配置于蓄电池封装体的内侧,能够减少向蓄电池封装体的外侧突出的部分从而提高布局性。
(4)在(1)~(3)中任一项所述的电源装置中,优选的是,在所述连接线的与所述结合部侧相反的一侧的端部配置连接连接器(例如,后述的连接器51)。
由此,能够抑制分支连接器本身的尺寸的扩大化。
发明效果
根据本发明的电源装置,能够在不较大程度地改变蓄电池封装体侧的结构的情况下应对电动车的车种、等级的差异,并且能够实现较高的维护性。
附图说明
图1是示意性地表示本发明的一实施方式的电动车用的电源装置的电连接关系的图。
图2是表示插入有本实施方式的分支连接器的IPU的立体图。
图3是示意性地表示本实施方式的插入前的分支连接器及IPU的剖视图。
图4是示意性地表示本实施方式的插入后的分支连接器及IPU的剖视图。
图5是示意性地表示从本实施方式的分支连接器引出的分支电缆的连接器和与该连接器连接的设备侧连接器的立体图。
附图标记说明:
1 电源装置;
7 接口部;
10 IPU(蓄电池封装体);
11 蓄电池;
20a、20b、20c、20d、20e 辅机;
25 结合部;
30 分支连接器;
31 熔丝;
50 分支电缆(连接线);
120 IPU侧连接器(蓄电池侧连接器)。
具体实施方式
以下,参照附图对本发明的优选的实施方式进行说明。图1是示意性地表示本发明的一实施方式的电动车用的电源装置1的电连接关系的图。
如图1所示,本实施方式的电源装置1用于向在车辆的发动机室2、地板3配置的电气设备供给电力。本实施方式的电源装置1具备IPU(Intelligent Power Unit)10和用于将作为电力的供给对象的多个辅机20a、20b、20c、20d、20e与IPU10连接的接口部7。
IPU10是电动车(车辆)的驱动用的蓄电池封装体。IPU10具备蓄电池11和接线盒12。在接线盒12连接有与接口部7连接的连接器电缆15和从连接器电缆15分支且与PCU用连接器17连接的PCU用连接器电缆16。
在PCU用连接器17连接有在PCU电缆54的一侧的端部设置的连接器55。在PCU电缆54的另一侧的端部设置的连接器56与配置于发动机室2的PCU(Power Control Unit)5的连接器6连接。PCU5在不经由分支连接器30的情况下与IPU10电连接。
分支连接器30是将IPU10与辅机20a~20e电连接的应对高电压的连接设备。辅机20a是配置于发动机室2的A/C·压缩机,具有设备侧连接器21a。设备侧连接器21a与在中间电缆58的一侧的端部设置的连接器51连接。在中间电缆58的另一侧的端部设有与后述的分支电缆50的连接器51相对应的连接器59。
辅机20b~20e配置于地板3。设备侧连接器21b~21e分别连接于后述的分支电缆50的连接器51。
分支连接器30具备将蓄电池11侧与辅机20a~20e侧电连接的结合部25。在结合部25汇集有多个分支电缆50。
分支成多个的分支电缆50各自与辅机20a~20e电连接。另外,各分支电缆50被分成蓄电池11侧和辅机20a~20e侧,经由应对高电压的熔丝31而与蓄电池11侧和辅机20a~20e侧电连接。在分支电缆50中的处于分支连接器30的外侧的端部配置与设备侧连接器21a~21e连接的连接器(连接连接器)51。
接着,对分支连接器30及连接有分支连接器30的IPU10的构造进行说明。图2是表示插入有本实施方式的分支连接器30的IPU10的立体图。需要说明的是,在图2中,省略了被引出到后述的IPU10的外侧的分支电缆50的图示。图3是示意性地表示本实施方式的插入前的分支连接器30及IPU10的剖视图。图4是示意性地表示本实施方式的插入后的分支连接器30及IPU10的剖视图。需要说明的是,在图2~图4中,Fr设为表示车辆的前侧。
图2所示的分支连接器30是将高电压分支部、高电压熔丝、连接器部一体化而成的。本实施方式的分支连接器30构成为在外壳110的侧壁111相对于IPU10可插拔。
在IPU10的外壳110的侧壁111形成有连接分支连接器30的IPU侧连接器120。IPU侧连接器120具有与外壳110的外侧连通且沿水平方向延伸的插槽115,分支连接器30能够插入于该插槽115。分支连接器30相对于IPU10而言是公型的连接器,IPU侧连接器120相对于分支连接器30而言是母型的连接器。
在本实施方式的IPU侧连接器120的插槽115的内侧设有与分支连接器30电连接的连接器连接部60。
连接器连接部60位于插槽115的里侧,借助接线盒12与蓄电池11电连接。连接器连接部60具备朝向插槽115的开口侧延伸的多个嵌合销61,通过分支连接器30嵌合于嵌合销61,由此该分支连接器30连接于连接器连接部60。
如图3及图4所示,分支连接器30的结合部25是应对高电压的电力分支部,该应对高电压的电力分支部具备连接于蓄电池11侧的主电缆26和从主电缆26以与辅机20a~20d的数量相对应的方式分支为多个的分支电缆50。
另外,本实施方式的分支连接器30除了结合部25及熔丝31以外,还具备壳体(主体部)40、凸缘部(突出部)41、防水橡胶塞45、以及插槽嵌合部47。
壳体40是收容结合部25、熔丝31等且插入于插槽115而收纳于IPU10的内侧的部位。凸缘部41形成于壳体40的长度方向上的一侧的端部,是在分支连接器30装配到IPU侧连接器120的状态下位于IPU10的外侧的部位。
防水橡胶塞45嵌入于在凸缘部41的中央形成的开口部48的弹性构件。在防水橡胶塞45形成有供与熔丝31的辅机20a~20e侧连接的分支电缆50穿过的贯通孔49(参照图2)。壳体40内部的分支电缆50穿过防水橡胶塞45的贯通孔49而向分支连接器30的外侧引出。防水橡胶塞45的贯通孔49的数量根据壳体40内的分支电缆50的分支数来设定,由此能够应对分支数的增减。例如,将防水橡胶塞45设计成,如本实施方式那样在连接对象的辅机20a~20e为5台的情况下,利用5个贯通孔49,在连接对象的辅机为6台的情况下,利用6个贯通孔49,将分支电缆50向分支连接器30的外侧引出。
插槽嵌合部47配置于壳体40的长度方向上的另一侧的端部。通过连接器连接部60的嵌合销61连接于插槽嵌合部47,由此分支连接器30相对于IPU侧连接器120成为装配状态。
如图3所示,分支连接器30从水平方向上的前侧插入于IPU侧连接器120的插槽115。如图4所示,分支连接器30装配于插槽115,由此电连接于蓄电池11。
在本实施方式中,IPU10配置于电动车的地板3下。即使是这样的配置,也构成为分支连接器30相对于IPU10在水平方向上可插拔,因此能够在不从设置部位取下IPU10的情况下进行分支连接器30的插拔。
接着,对分支连接器30和辅机20a~20e之间的电连接进行说明。图5是示意性地表示从本实施方式的分支连接器30引出的分支电缆50的连接器51和与该连接器51连接的设备侧连接器21a~21e的立体图。在图5中,示出了分支电缆50的连接器51与设备侧连接器21a~21e连接前的情形。
如图5所示,在从分支连接器30引出的分支电缆50的端部配置有连接器51,使设备侧连接器21a~21e连接于该连接器51,由此分支连接器30与各个辅机20a~20e连接。由此,蓄电池11经由分支连接器30的结合部25而与辅机20a~20e连接,能够从蓄电池11向辅机20a~20e供给电力。
以上说明的本实施方式的电源装置1具备电动车用的IPU(蓄电池封装体)10和对IPU10和多个辅机(电气设备)20a~20e进行连接的接口部7。并且,接口部7具有:分支连接器30,其具有供分支电缆(连接线)72汇合的结合部25及配置于各个分支电缆50的多个熔丝31,所述分支电缆(连接线)72与多个辅机20a~20e分别连接;以及能够连结分支连接器30的IPU侧连接器120,其与IPU10的蓄电池11电连接,构成为能够在分支连接器30与IPU侧连接器120连结的状态下从蓄电池11经由结合部25而向多个辅机20a~20e分别供给电力。由此,能够通过仅进行分支连接器30的插拔,集中地进行IPU10侧与多个辅机20a~20e侧各自之间的连接作业及连接的解除作业,作业性提高。此外,即使在辅机的数量因车种、等级而不同的情况下,也能够通过仅变更分支连接器30的结构来进行应对,无需事先区分IPU10的规格,制造性也提高。另外,能够使从IPU10引出的分支电缆50的位置汇集在一处,还能够实现省空间性。
另外,本实施方式的电源装置1的IPU10设置于电动车的地板3下,IPU侧连接器120配置于IPU10的侧壁(侧面)111,能够将分支连接器30沿水平方向相对于IPU侧连接器120而进行插拔。由此,即使在IPU10设置于电动车(车辆)的地板3下的情况下,也能够顺畅地进行分支连接器30相对于IPU侧连接器120的插拔作业。
另外,对于本实施方式的电源装置1而言,IPU侧连接器120的一部分或全部设置于IPU10的内部,分支连接器30能够从IPU10的外部进行插拔。由此,能够在不从设置部位取下或进行分解的情况下从IPU10的外侧进行分支连接器30的插拔作业。另外,能够将需要分支的电力分支部配置于IPU10的内侧,能够减少向IPU10的外侧突出的部分从而提高布局性。
另外,对于本实施方式的电源装置1而言,在分支电缆50的与结合部25侧相反的一侧的端部配置连接器(连接连接器)51。由此,能够抑制分支连接器30本身的尺寸的扩大化。
另外,在本实施方式中,不是从自分支连接器30引出的分支电缆50而是从PCU电缆54向作为车辆驱动用电路的PCU5供给来自IPU10的电力。由此,发热相对较高的车辆驱动用电路从分支连接器30分离,因此能够解决由分支连接器30的一体化及小型化导致的热成立性的课题。另外,能够兼顾不增大装卸行程的PCU5的连接部分与装卸行程较大的辅机20a~20e用的分支连接器30之间的组装性。
以上,对本发明的优选的实施方式进行了说明,但本发明并不被上述的实施方式限制,能够适当地变更。
在上述实施方式中,对于向PCU5供给电力的路径而言,成为不经由分支连接器30的结构,但并不限定于该结构。
上述实施方式所示的电源装置1的结构是一例,能够根据作为电气设备的辅机20a~20e的数量、配置部位等、以及车种、等级等来适当地变更。
Claims (3)
1.一种电源装置,其具备:
电动车用的蓄电池封装体;以及
接口部,其对所述蓄电池封装体和多个电气设备进行连接,
在所述电源装置中,
所述接口部具有:
分支连接器,其具有供连接线汇合的结合部及配置于所述连接线的多个熔丝,所述连接线与多个所述电气设备分别连接;以及
能够连结所述分支连接器的蓄电池侧连接器,其与所述蓄电池封装体的蓄电池电连接,
所述接口部构成为能够在所述分支连接器与所述蓄电池侧连接器连结的状态下从所述蓄电池经由所述结合部而向多个所述电气设备分别供给电力,
所述蓄电池侧连接器全部设置于所述蓄电池封装体的内部,
所述蓄电池侧连接器具有供所述分支连接器插入的插槽,
所述分支连接器还具有插入于所述插槽而收纳于所述蓄电池侧连接器的内侧的壳体,该壳体收容所述结合部及所述熔丝,所述分支连接器能够从所述蓄电池封装体的外部进行插拔。
2.根据权利要求1所述的电源装置,其中,
所述蓄电池封装体设置于所述电动车的地板下,
所述蓄电池侧连接器配置于所述蓄电池封装体的侧面,能够将所述分支连接器沿水平方向相对于所述蓄电池侧连接器进行插拔。
3.根据权利要求1或2所述的电源装置,其中,
在所述连接线的与所述结合部侧相反的一侧的端部配置连接连接器。
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