CN101547811B - 电动汽车的蓄电池装置冷却用管道结构 - Google Patents
电动汽车的蓄电池装置冷却用管道结构 Download PDFInfo
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Abstract
本发明提供了一种电动汽车,在不牺牲舒适性的情况下,且可在抑制结露和冷却风输送时的温度上升的同时进行电源部的冷却。在通过电机(2)的驱动而行驶、并将来自安装的空气调节装置(15)的冷却风引导至电机的电源部(5)进行冷却的电动汽车中,沿副驾驶座侧(4A)的车内形状形成管道(16),且配置在副驾驶座侧的底板(6A)上,其中,该管道(16)的两端(16a、16b)分别连接于空气调节装置的出风口(15a)和电源部侧,并且该管道(16)形成用于将来自空气调节装置的冷却风引导至电源部(5)的流道R。
Description
技术领域
本发明涉及通过空调的冷却风来冷却电机电源部的蓄电池的电动汽车,尤其涉及向电源部引入冷却风的管道的结构。
背景技术
通过电机驱动而行驶的电动汽车安装有大量的蓄电池作为电机的电源部。在充放电时,该蓄电池温度上升,若温度上升至适当的温度以上时,则其性能降低,同时加速蓄电池的劣化。因此,在日本专利第3050051号中,将由安装于车辆中的空气调节装置产生的冷却风通过管道引入到电源部来进行冷却。
对于一般有效地向电源部引导冷却风的技术,优选方式是,以直线连接空气调节装置的出风口和电源部侧的方式配置管道,由此减少由于流动阻力而引起的损耗,但是,在车室内部空间配置管道,乘坐空间减少,舒适性恶化。并且,若管道暴露在外面,则不仅影响美观,而且因为冷却风在管道中通过,所以,可以设想,由于车室内部温度和冷却风的温度差,使管道表面产生结露,由于管道的配置位置导致结露水沾在乘客衣服上、或由于车室内的空气导致冷却风到达电源部时已变暖。
虽然在专利文献1中记载有李勇管道部件将来自空气调节装置的冷却风引导至电源部,但是,并没有考虑到有关结露、冷却风输送时的温度上升、和舒适性的问题。
发明内容
本发明的目的在于提供一种电动汽车,其不牺牲舒适性的情况下,可在控制结露和冷却风输送时的温度上升的同时进行电源部的冷却。
为了实现上述目的,根据本发明第一方面的电动汽车,通过电机的驱动而行驶,并将来自安装的空气调节装置的冷却风引导至电机的电源部进行冷却,其中,上述电动汽车具有形成流道的管道,分别将上述管道的一端连接于上述空气调节装置,另一端连接于上述电源部侧,且将来自上述空气调节装置的冷却风引导至上述电源部,沿副驾驶座侧的车内形状形成上述管道,且将上述管道配置在上述副驾驶座侧的底板上。
根据本发明第一方面的电动汽车,在本发明的第二方面中,形成上述管道,使上述管道的与上述电源部侧连接的连结部位于管道最低部位的上方。
根据本发明第一方面的电动汽车,在本发明的第三方面中,管道的配置在底板上的部位上形成有用于分割流道的多个肋。
根据本发明第二方面的电动汽车,在本发明的第四方面中,管道的配置在底板上的部位上形成有用于分割流道的多个肋。
根据本发明第一方面的电动汽车,在本发明的第五方面中,上述管道的配置于上述底板的部位被配置在由组装部件而形成的空间内,其中,上述组装部件被配置在上述底板和在上述底板上铺设的底板地毯之间。
根据本发明第二方面的电动汽车,在本发明的第六方面中,上述管道的配置于上述底板的部位被配置在由组装部件而形成的空间内,其中,上述组装部件被配置在上述底板和在上述底板上铺设的底板地毯之间。
根据本发明第三方面的电动汽车,在本发明的第七方面中,上述管道的配置于上述底板的部位被配置在由组装部件而形成的空间内,其中,上述组装部件被配置在上述底板和在上述底板上铺设的底板地毯之间。
根据本发明涉及的电动汽车,沿并不是通常乘客乘坐的副驾驶座侧的车内形状形成用于构成将来自空气调节装置的冷却风引导至电源部的流道的管道,并将该管道配置在副驾驶座侧的底板上,其中,该管道分别将一端连接于空气调节装置,另一端连接于电源部侧,所以,即使没有配置在车室内空间内,也可将冷却风引导至电源部,并可在不牺牲舒适性的情况下进行电源部的冷却。
并且,形成管道的另一端的与电源部侧连接的连结部,使其位于管道最低部位的上方,所以,即使在水侵入管道内的情况下,也可保护电源部,水不会从连接部流入电源部。
根据本发明,在管道的配置于底板上的部位上形成了用于分割管道内的流道的多个肋,所以,可以提高配置在管道的底板上的部位的强度,且可提高可靠性。
根据本发明,管道的配置在底板上的部位被配置由组装部件形成的空间内,而该组装部件被配置在底板和在底板上铺设的底板地毯之间,所以管道不会暴露在室内空间,外观良好,同时结露水不会沾到乘客身上。并且,设置在通过配置在底板地毯和底板之间的组装部件形成的空间内配置在底板上的部位,所以可以在抑制管道 内的冷却风被室温加热的同时进行电源部的冷却,且可将底板地毯的面设置为大致平坦,不会影响副驾驶座的乘客的舒适性。
附图说明
图1是作为本发明的一实施方式的电动汽车的示意结构图;
图2是表示本发明主要构成部的管道结构的立体图;
图3是将如图2所示的管道设置在车辆中时的图2A-A线附近的截面图;
图4是将如图2所示的管道设置在车辆中时的图2B-B线附近的截面图;
图5是将如图2所示的管道设置在车辆中时的图2C-C线附近的截面图;以及
图6是从图2的D方向观察到的图。
附图符号
1电动汽车 2电机
4A副驾驶座 5电源部(蓄电池装置)
6A副驾驶座侧的底板 15空气调节装置
15a空气调节装置的出风口 16管道
16a一端 16b另一端
16h与电源部侧连接的连接部
16g管道最低的部位(配置在底板上的部位)
18a、18b多个肋 20车室内部空间
21安装(加高部件) 22空间
24底板地毯 R流道
S冷却风
具体实施方式
本发明的目的在于,通过改变形成用于将来自空气调节装置的冷却风引导至电源部的流道的管道形状,从而在不牺牲舒适性的情况下,实现可在抑制结露和冷却风输送时的温度上升的同时进行电源部的冷却。
以下,参照附图,对本发明的实施例进行说明。
如图1所示的符号1表示的电动汽车1通过电机2的驱动使车辆3转动继而行驶。在设置在电动汽车车室内的座位4(副驾驶座4A)的下部配置有作为电机2的电源部的蓄电池装置(unit)5。将多个电池(cell)作为一个模块,作为具有多个模块的电池组件构成电池装置5。蓄电池装置5被收纳在装置收纳部8内,其中,该装置收纳部8包括构成车体的底板面板6和设置在底板面板6下面的遮蔽板7。在蓄电池装置5上连接有充电器9和反相器10。该电动汽车1安装有用于调节车室内空间20的温度和湿度的公知的空气调节装置15。
分别在装置收纳部8的前侧形成有导入口8a,在后侧形成有排出口8b。在排出口8b上设置有用于抽出装置收纳部8内的空气的排出风扇12,通过该风扇旋转,排出装置收纳部8内的空气。
管道16的一端16a连接于空气调节装置15的出风口15a,管道16的另一端16b连接于导入口8a,管道16在内部形成用于将来自空气调节装置15的以符号S表示的冷却风导向装置收纳部8的流道R。装置收纳部8的蓄电池装置5由通过该管道16引导并导入的冷却风来冷却。管道16沿副驾驶座4A侧的车内形状形成,且被配置在该副驾驶座侧的底板(floor)6A上。
如图2、图3所示,管道16是树脂制的,且从连接于空气调节装置15的出风口15A的一端16a开始直至另一端16b形成大致90度弯曲的形状。在一端16a上形成有四角形的开口部16c,出风口15A插入开口部16c内。以位于一端16a至中央部16e之间的肩部(shoulder)16d向斜下方延伸的方式形成管道16。形成该肩部16d的形状,使其沿着形成车内形状的中央托架(center console)17的外形。从管道16的一端16a至肩部16d的部分被配置成收纳在中央托架内,使其从副驾驶座4A侧看不见。
如图3所示,肩部16d的下面16g被配置为降低至不干扰设置在车辆的底板6A上的底板通道(floor tunnel)60及设置在底板通道60上的车辆设备61的高度。
位于肩部16d至另一端16b之间的中央部16e呈大致水平面,其在管道16中被设定为最低的最下位部。如图4所示,在作为该最下位部的中央部16e上形成有多个肋18a、18b。该肋18a、18b从管道16的上面16f和下面16g向中央形成,且以分割管道内部的流道R的方式形成多个流道R1~R3。在本实施方式中,虽然通过肋(rib)18a、18b将管道内部设定为三个流道,但并不仅限于三 个。这些肋18a、18b不仅具备形成流道整流冷却风的功能,还具备加强中央部16e的功能。该中央部16e被配置在副驾驶座侧的底板6A上。
在底板6A的上部铺设有底板地毯24,在底板6A和该底板地毯24之间以包围中央部16e的方式配置有与中央部16e大致相同厚度的作为组装部件的提高加固部件21,且在底板6A和底板地毯24之间形成有空间22。即,管道16的中央部16e被配置在该空间22内。在管道16的下面16g上安装有隔热部件23。将中央部16e的流道截面面积和开口部16c的开口面积设定为大致相等,以使压力损耗为最小限度。
如图5、图6所示,在管道16的另一端16b上形成有与装置收纳部8的导入口8a接合且连接的作为连接部的开口部16h。该开口部16h形成于比管道最低部位的中央部16e高的位置。在开口部16h上安装有用于密封与导入口8a的接合面的橡胶制防水衬垫(packing)19。将该防水衬垫19配置为环状,使其包围开口部16h,安装该接合部19A,使其位于开口部16h的上部。图中符号25、26表示安装部,在与装置收纳部8的导入口8a连接时,将该安装部通过未图示的连接部件安装在用于构成装置收纳部8的底板6的表面。
根据上述结构,连接空气调节装置15的出风口15a和收纳蓄电池装置5的装置收纳部8的导入口8a,沿副驾驶座4A侧的车内形状形成构成用于将来自空气调节装置15的冷却风导向装置收纳部8的蓄电池装置5的流道R的管道15,并将其配置在副驾驶座4A侧的底板6A上,所以,无需在车室内空间中配置管道16即可将冷却风引导至蓄电池装置5,进行蓄电池装置5的冷却,而不需牺牲舒适性。此外,管道16形成为在其另一端16b上形成的开口部16h的位置位于管道最低部位的中央部16e的上方,所以,即使 在水侵入管道16内的情况下,也可保护蓄电池装置5,而水不会从开口部16h流入装置收纳部8。
由于在管道16的中央部16e上形成了用于分割管道内的流道R的多个肋18a、18b,所以,在即使将中央部16e配置在底板6A上的情况下,也可以提高其强度,因此,即使在乘客座在副驾驶座上并踩到了底板6A,也不容易被压坏,从而可以在确保冷却所需的冷却风量的同时提高可靠性。由于该中央部16e通过加高部件21被配置在形成于底板6A和底板地毯24之间的空间22内,所以,管道16不会暴露在室内空间,外观良好,同时结露水不会沾到乘客。并且,若将管道16配置在底板地毯24和底板6A之间的空间22中,由于该空间22形成隔热结构,所以可以在抑制管道16内的冷却风被室温加热的同时,确保蓄电池装置5的冷却所需的冷却风的温度。
管道16由于被配置在并不是通常没有乘客的副驾驶座的底板6A上,所以对于使车室内空间变狭小了这点对乘客的影响可以被限定为最小限度。
产业上的可利用性
本发明适用于可在抑制结露和冷却风输送时的温度上升的同时进行电源部的冷却、而没有牺牲舒适性的电动汽车。
Claims (4)
1.一种电动汽车的蓄电池装置冷却用管道结构,所述电动汽车通过电机的驱动而行驶,冷却用管道将来自安装的空气调节装置的冷却风引导至作为所述电机的电源部的蓄电池装置并进行冷却,其特征在于,所述电动汽车的蓄电池装置冷却用管道结构包括:
装置收纳部,用于收纳所述蓄电池装置;以及
管道,一端连接于所述空气调节装置,另一端连接于所述装置收纳部,所述管道形成将来自所述空气调节装置的冷却风引导至所述装置收纳部的蓄电池装置的流道,
其中,所述装置收纳部包括构成车体的底板面板以及设置在该底板面板的下方的遮蔽板,所述管道从连接所述空气调节装置的出风口的所述一端开始直至所述另一端形成90度弯曲的形状,而且,所述管道在从所述一端至所述管道的中央部之间形成肩部,所述管道的从所述一端至所述肩部被收纳于中央托架中,以向斜下方延伸并沿着所述中央托架的外形的方式形成所述肩部,并且所述管道被配置在副驾驶座侧的底板上。
2.根据权利要求1所述的电动汽车的蓄电池装置冷却用管道结构,其特征在于,
形成所述管道的另一端,使所述管道的所述另一端位于在所述副驾驶座侧的底板上设置的所述管道的最低部位的上方。
3.根据权利要求1所述的电动汽车的蓄电池装置冷却用管道结构,其特征在于,
在所述管道的配置于所述副驾驶座侧的底板上的、呈大致水平面的所述中央部形成用于分割所述流道的多个肋。
4.根据权利要求1至3中任一项所述的电动汽车的蓄电池装置冷却用管道结构,其特征在于,
所述管道的配置于副驾驶座侧的底板上的所述中央部被配置在由组装部件而形成的空间内,其中,所述组装部件被配置在所述底板和在该底板上铺设的底板地毯之间。
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