CN109000078A - 空气导入结构 - Google Patents

空气导入结构 Download PDF

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CN109000078A
CN109000078A CN201810395775.1A CN201810395775A CN109000078A CN 109000078 A CN109000078 A CN 109000078A CN 201810395775 A CN201810395775 A CN 201810395775A CN 109000078 A CN109000078 A CN 109000078A
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须藤海智
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Suzuki Motor Corp
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Abstract

提供能够抑制风扇噪音和风噪音被引入车室的空气导入结构。公开了一种空气导入结构。该空气导入结构包括安装到车体部(7)的面对行李室的表面的装饰件(60)。装饰件(60)具有腔室(61)。装饰件吸气口(63或64或65)与装饰件(60)形成为一体。装饰件排气口(62)与所述装饰件(60)形成为一体。通过装饰件排气口(62)连接腔室(61)与管道系统(40)的风扇(20)使得气流能够流通。

Description

空气导入结构
技术领域
本发明涉及空气导入结构。
背景技术
混合动力车辆和电动车辆使用大容量蓄电电池以经由包括逆变器的电气部件来为牵引马达供电。在运行中,电池和电气部件是热源。电池和相关联的电气部件被整合为电池组。通过从座舱或车室吸入所需的冷却空气来冷却电池。
在下文中称为“专利文献1”的JP 4114478B2公开了包含已知的空气导入结构的电池组冷却系统。该已知的空气导入结构包括:管道系统,其具有对车室开口的管道入口;以及风扇,其用于使来自车室的空气流动从而与安装在行李室内的电池组进行热交换。在JP4114478B2中说明的一个示例中,管道系统朝向行李室侧装饰件的架开口(shelf opening)延伸,使得管道系统的管道入口能够通过侧装饰件的架开口从车室吸入空气。
现有技术
专利文献
专利文献1:JP 4114478B2
发明内容
发明要解决的问题
与使用外部空气的情况相比,使用来自车室的座舱空气确保了较窄的冷却空气温度范围。然而,使用座舱空气还引入了通过路径传到管道入口的风扇噪音和座舱空气通过管道入口被吸入管道系统时传出的风噪音。这样的噪音使车辆乘员(们)不适。
本发明的目的是提供能够抑制风扇噪音和风噪音被引入车室的空气导入结构。
用于解决问题的方案
根据本发明,提供了一种空气导入结构,其包括装饰件,该装饰件安装到车体的车体部的面对车室的表面,所述装饰件具有腔室。装饰件吸气口与所述装饰件形成为一体,能够将来自所述车室的空气吸入所述腔室。设置有风扇,其将所述腔室的空气送给需要利用空气冷却部件。装饰件排气口与所述装饰件形成为一体,通过所述装饰件排气口连接所述腔室与所述风扇使得气流能够流通。
根据本发明,提供了:所述风扇位于管道系统中,所述管道系统具有连接到所述装饰件排气口的管道入口和向所述需要利用空气冷却部件开口的管道出口。
根据本发明,提供了:所述装饰件吸气口分别位于所述装饰件的不同区域。
根据本发明,提供了:多个所述装饰件吸气口的总面积大于所述装饰件排气口的面积。
根据本发明,提供了:所述装饰件是形成所述车室的内壁表面的侧装饰件的一部分,所述需要利用空气冷却部件是位于所述管道出口的下游的电气部件。
根据本发明,提供了:所述侧装饰件形成所述车室的一部分的行李室的内壁表面的至少一部分,所述需要利用空气冷却部件配置于所述行李室。
根据本发明,提供了:所述装饰件离开所述车体部的所述车室的表面,且所述车室的表面和所述装饰件形成所述腔室。
根据本发明,提供了:所述车体部是作为车体部件的后翼子板。
根据本发明,提供了:所述装饰件形成在整个所述腔室,呈袋状。
根据本发明,提供了:所述车体部具有内空气通路,所述内空气通路通过具有阀口的阀使所述内空气通路与所述腔室连通。
根据本发明,提供了:所述阀是双位阀,所述双位阀具有第一位置和第二位置,在所述第一位置时所述阀口向所述腔室开放且所述装饰件吸气口关闭,在所述第二位置所述阀口关闭且所述装饰件吸气口向所述腔室开放。
根据本发明,提供了:所述内空气通路与车辆外部连通。
根据本发明,提供了:根据车室内外温度差,通过开关所述阀对进入所述腔室内的空气温度进行调节。
发明的效果
本发明能够抑制风扇噪音和风噪音被引入车室中。
附图说明
图1是车辆的车体的剖视图,其使车室的行李室可见,以便示出包含有根据第一实施方式的空气导入结构的电池组冷却系统。
图2是从车辆的后方观察的冷却系统的示意性截面图。
图3是装饰件的立体图,该装饰件是本实施方式中空气导入结构的侧装饰件。
图4是示出第二实施方式的、与图2类似的示意性截面图。
图5是示出第三实施方式的、与图2类似的示意性截面图。
具体实施方式
公开一种空气导入结构。该空气导入结构包括安装到车体的车体部的面对车室的表面的装饰件。装饰件具有腔室。装饰件吸气口与装饰件形成为一体,能够将来自车室的空气吸入腔室。设置有风扇,其将腔室的空气送给需要利用空气冷却的部件。装饰件排气口与装饰件形成为一体。通过装饰件排气口连接腔室与风扇使得气流能够流通。该构造能够抑制风扇噪声和风噪声引入车室。
[实施方式]
参照附图说明空气导入结构的实施方式。图1至图3示出一个实施方式。在图1至图3中,术语“上”、“右”、“前”和“后”均指的是从驾驶员座席观察时始于车辆的方向。
在图1和图2中,通常以1表示的车辆具有限定了车室的地板表面的地板4。在车辆1的车辆后部1A中,后座席3安装于地板4的上侧。作为车室的一部分的行李室5形成于后座席3的靠背3A的后方。
配置在行李室5内的地板4上的是需要利用空气冷却的、在本实施方式中为电池组10的电气部件,以及用于传送空气到电池组10的进气管道系统40。车辆1能够通过从电池组10供电到未示出的牵引马达而移动。电池组10构成如前所限定的需要利用空气冷却的部件。
在行李室5中,地板4被基本上升高到与后座席3的座3B一样高的程度。在行李室5中,地板4形成有凹部4A。电池组10安装在凹部4A内。
管道系统40具有管道入口40A和管道出口40B。管道系统包括风扇20。风扇20位于管道系统40内用于从入口40A向出口40B吹送空气。相对于吹过管道系统40的空气的方向,电池组10配置在出口40B的下游侧。
车辆1包括部分地限定车辆两侧端中的一个侧端的后翼子板7。后翼子板7的示例包括后侧围及其对应的车体部分。装饰件60安装于行李室5内,在后翼子板7的面对行李室5的那侧。在本实施方式中,装饰件60安装到后翼子板7并且限定行李室5的内壁上的侧装饰件的一部分。装饰件60具有腔室61。在本实施方式中,如图2最佳地所示,装饰件60安装于后翼子板7的面对行李舱的表面并限定了腔室61。
参照图1、图2和图3,在本实施方式中,装饰件吸气口63、64和65中的至少一个或三个与装饰件60形成为一体。座舱空气、即来自车室内的空气可以通过装饰件吸气口63、64和65中的至少一个被吸入腔室61中。在装饰件60中一体地形成有装饰件出口或装饰件排气口62。被吸入腔室61的空气通过装饰件排气口62排出。装饰件排气口62连接腔室61与风扇20,使得气流能够连通。
装饰件吸气口63位于装饰件60的上部的附近。装饰件吸气口63为向下开口的缝状。在本实施方式中,装饰件60具有在装饰件吸气口63的上方、突出到行李室5中的部分以及在装饰件吸气口63的下方附近、从行李室5凹陷的部分。
装饰件吸气口64沿着装饰件60的前侧形成。装饰件吸气口65沿着装饰件60的下表面形成并且位于装饰件60的前端附近。装饰件吸气口64和65形成为装饰件60与后翼子板7之间的间隙。如上所述,多个装饰件吸气口63、64和65位于装饰件60的相互不同的区域。换言之,装饰件吸气口63或64或65位于装饰件60的相互分离的不同区域。
装饰件排气口62位于装饰件60的下方后部附近。装饰件排气口62连接腔室61与管道系统40的风扇20,使得气流能够连通。在本实施方式中,管道入口40A以管道入口40A对腔室61开口的方式连接到装饰件排气口62。座舱空气通过装饰件60的装饰件吸气口63、64和65被从行李室5吸入腔室61,并且由管道系统40导入被吸入腔室61的空气。
装饰件吸气口63、64和65的面积大于装饰件排气口62的面积。因为装饰件60具有多个装饰件吸气口63、64和65,所以装饰件吸气口63、64和65的面积是装饰件吸气口63、64和65的总面积。
作为在运行时的热源的电池组10包括壳体11。壳体11内收纳的是电池壳13和电气部件14。电池壳13内具有电池模块12。包括互连的多个单元的电池模块12位于壳体11内的下部。包括诸如逆变器等的高压电气部件的电气部件14位于壳体11内的上部。电气部件14与电池壳13的上方间隔开并且由框架14A支撑。
电池组10具有用于空气通路的内管道50。在电池组10的上游端,内管道50连接至与风扇20空气连通的出口40B。内管道50供给空气从而与电气部件14和电池壳13进行热交换。
内管道50在电池壳13的上游的叉部(fork)51处分支成两个支路。内管道50包括作为两个支路之一的第一冷却剂通路52,第一冷却剂通路52从叉部51向电气部件14延伸以将空气供给到电气部件14。另外,内管道50包括作为另一个支路的第二冷却剂通路55,其从叉部51向电池壳13延伸以将空气供给到电池壳13。
该构造使由风扇20吹送的空气在叉部51处分支成通过第一冷却剂通路52供给到电气部件14的部分以及通过第二冷却剂通路55供给到电池壳13的剩余部分。像这样,在电池组10内形成了空气以平行的方式供给到电气部件14与电池壳13的所谓的平行冷却结构。
在电池壳13内形成有内冷却剂通路16。内冷却剂通路16与第二冷却剂通路55连通,以使来自第二冷却剂通路55的空气与多个电池单元12A连通。电气部件14位于内冷却剂通路16的下游端的上方。
散热器15安装于电气部件14的底部。散热器15延伸到第一冷却剂通路52中。散热器15包括散热片来使散热器15的与其周围的空气相接触的表面积最大化以将由电气部件14产生的热传递到空气。隔热板17放置在电池壳13与散热器15之间。
第一冷却剂通路52在其上游端附近的部分的流截面积减小以设置气流限制器53。气流限制器53的流截面积小于气流限制器53下游的任何部分的流截面积。随着第一冷却剂通路52在气流限制器53的下游方向上展开,流截面积逐渐增加。
管道系统40包括入口管道42和出口管道43。前述入口40A与入口管道42的上游端形成为一体。入口管道42在其下游端连接到风扇20,使得气流能够连通。
出口管道43在其上游端连接到风扇20,使得气流能够连通。前述出口40B与出口管道43的下游端形成为一体。出口40B连接到内管道50的上游端。
管道系统40的入口管道42和出口管道43相对于车体2横向延伸。
内管道50的第一冷却剂通路52的上游端开口以限定第一空气入口54。该第一空气入口54开口到电池组10的上部。内管道50的第二冷却剂通路55的上游端开口以限定第二空气入口56。该第二空气入口56与第一空气入口54并排配置。
管道系统40的出口管道43的下游端上方的上侧表面43A被成形为形成凸曲面44。凸曲面44弯曲成相对于出口管道43向上突出。凸曲面44连接到内管道50的上侧。
第一空气入口54比第二空气入口56靠近凸曲面44。该设定使第一空气入口54的开口面积小于第二空气入口56的开口面积。
管道系统40的出口管道43包括倾斜部46。该倾斜部46以下降倾斜(descendingslope)方式从风扇20朝第二空气入口56向下倾斜。此外,出口管道43包括水平部47。该水平部47以如下方式从倾斜部46的下端延伸:水平部47在第一空气入口54和第二空气入口56的上方延伸。
凹曲面45形成于水平部47与倾斜部46彼此相遇的边界部的上表面内。
凸曲面44具有小曲率半径以为气流朝第一空气入口54和第二空气入口56向下的方向突变提供足够高的曲率。另一方面,凹曲面45具有比凸曲面44大的曲率半径。这允许空气沿着凹曲面45平稳流动,防止了气流与凹曲面45的分离。
接下来将说明关于空气导入结构的功能。
如上所述,空气导入结构包括装饰件60,该装饰件60安装到车体2的车体部7的面对车室的表面。装饰件60具有腔室61。在本实施方式中,由于车体部7具有作为面对车室的表面的、面对行李室5的表面,所以装饰件60安装到车体部7的面对行李室的表面。
装饰件吸气口63、64和65与装饰件60形成为一体,能够将来自车室的空气吸入腔室61。风扇20位于管道系统40中,将腔室61的空气送给需要利用空气冷却的部件,在本实施方式中该部件是电池组10。装饰件排气口62与装饰件60形成为一体。通过装饰件排气口62连接腔室61与风扇20使得气流能够连通。在本实施方式中,管道系统40的管道入口40A连接到装饰件排气口62。
利用该构造,通过装饰件吸气口63、64和65吸入腔室61的空气被吸入管道系统40。风扇20发出的风扇噪音随着经过装饰件60内的腔室61而被反射和衰减。此外,空气从装饰件排气口62通过入口40A被吸入管道系统40时发出的风噪音随着经过装饰件60内的腔室61而被反射和衰减。因此,空气导入结构消除了从装饰件排气口62(或者管道系统40的管道入口40A)到行李室5的直接路径,这抑制了风扇噪音和风噪音漏出行李室5。
此外,装饰件吸气口63、64和65的总面积大于装饰件排气口62的面积(或者管道系统40的管道入口40A的开口面积)。
这使空气穿过装饰件吸气口63、64和65的空气流速小于空气穿过装饰件排气口62或管道系统40的入口40A的空气流速。与移除装饰件60之后空气通过管道入口40A被直接吸入管道系统时发出的风噪音相比,空气通过装饰件吸气口63、64和65被吸入腔室61时发出的风噪音低。
在本实施方式中,装饰件吸气口63或64或65位于装饰件60的相互分离的不同区域。
位于装饰件60的相互分离的不同区域的装饰件吸气口63、64和65防止小物品落入它们,并且降低了报纸或类似的物品阻挡空气流到腔室61和风扇20的风险。
从通过位于装饰件60的相互分离的不同区域的装饰件吸气口63、64和65的空气的通路发出的风噪音被分散。这降低了在行李室5内听到的总风噪音程度。
空气导入结构的装饰件60是形成车室的内壁表面的侧装饰件,需要利用空气冷却的部件是位于管道出口40B的下游的电气部件10。在本实施方式中,电气部件是电池组10。
在该空气导入结构被应用到用于电气部件的冷却结构的情况下,由于在侧装饰件处阳光照射引起的温度升高少于在天花板侧的装饰件处阳光照射引起的温度升高,所以可以抑制从作为侧装饰件部分的装饰件60吸入的空气的温度升高。
空气导入结构的装饰件60形成作为车室一部分的行李室5的内壁表面的至少一部分,需要利用空气冷却的部件是配置于行李室5的电气部件10。在本实施方式中,电气部件是电池组10。
如上所述,装饰件60不是形成车门的内壁表面的车门装饰件,而是部分地形成行李室5的内壁表面的侧装饰件。这使管道系统40与装饰件60永久地连接。
此外,电池组10安装于行李室5内,使得装饰件60与电池组10之间的距离可以缩短。因管道系统40的长度减小,这能够使管道系统40内的压力损失降低。
图4示出第二实施方式。该第二实施方式与参照图1至图3说明的前述实施方式大致相同,但是第二实施方式与前述实施方式不同的是,装饰件60形成在腔室61,呈袋状。换言之,在图2中示出的前述实施方式中,装饰件60离开车体部7的车室的表面,且车室的表面和装饰件60形成腔室61,其中车体部7是作为车体部件的后翼子板,但是,在替代实施方式中,袋状装饰件60限定整个腔室61。
图5示出第三实施方式。该第三实施方式与参照图1至图3说明的前述实施方式大致相同,但是第三实施方式与前述实施方式不同的是,车体部7具有内空气通路,该内空气通路通过具有阀口66的阀67使该内空气通路与装饰件60的腔室61连通。阀67是双位阀。双位阀67具有第一位置和第二位置。在第一位置时,阀口66向腔室61开放并且装饰件60的装饰件吸气口63关闭。在第二位置时,阀口66关闭并且装饰件吸气口63向腔室61开放。如上所述,阀67以能够在第一位置与第二位置之间摆动的方式移动,以选择性地使空气从内空气通路通过阀口66流入腔室61以及使空气从车室通过装饰件吸气口63流入腔室61。阀67可以由响应于来自控制器(未示出)的命令的致动器来操作或者可以被手动地操作。
车体部7的内空气通路可以与车辆1外部连通。继续参照图5,车体部7的内空气通路与车辆1外部连通,使得在阀67采用第一位置时,空气通过阀口66从车辆外部被吸入腔室61。
根据车室内的温度(或者座舱空气温度)与车辆1外部的温度之间的差异,可以通过开关阀67对进入腔室61内的空气的温度进行调节。可以通过为了感测车室内的温度而安装的内空气温度传感器来检测座舱空气温度。可以通过为了感测车体部7的内空气通路内的温度或车辆外部的温度而安装的外空气温度传感器来检测外部空气温度。
在本实施方式中,电池组(或者电气部件)10被放置在管道系统40的管道出口40B的下游。可选地,电池组10可以位于管道系统40内,该管道系统40处于装饰件60的装饰件排气口62的下游。在这种情况下,可以将电池组和管道系统形成为一体,成为一个单元。
尽管在本实施方式中风扇20位于电池组(或者电气部件)10的上游,但是风扇20也可以位于电池组10的下游。
尽管本公开涉及而不限于本实施方式,但是本领域技术人员将会明白,可以在不脱离本发明的范围的情况下对本发明作出修改。所有这样的修改和等同方案都旨在由权利要求的范围覆盖。
附图标记说明
2…车体、5…行李室、7…后翼子板(或车体部)、10…电池组(需要利用空气冷却的部件、电气部件)、20…风扇、40…管道系统、40A…管道入口、40B…管道出口、60…装饰件、61…腔室、62…装饰件出口开口(或装饰件排气口)、63…装饰件吸气口、64…装饰件吸气口、65…装饰件吸气口。

Claims (13)

1.一种空气导入结构,其包括:
装饰件(60),其安装到车体(2)的车体部(7)的面对车室的表面,所述装饰件(60)具有腔室(61);
装饰件吸气口(63、64、65),其与所述装饰件(60)形成为一体,能够将来自所述车室的空气吸入所述腔室(61);
风扇(20),其将所述腔室的空气送给需要利用空气冷却部件(10);以及
装饰件排气口(62),其与所述装饰件(60)形成为一体,通过所述装饰件排气口(62)连接所述腔室(61)与所述风扇(20)使得气流能够流通。
2.根据权利要求1所述的空气导入结构,其特征在于,
所述风扇(20)位于管道系统(40)中,
所述管道系统(40)具有连接到所述装饰件排气口(62)的管道入口(40A)和向所述需要利用空气冷却部件(10)开口的管道出口(40B)。
3.根据权利要求1所述的空气导入结构,其特征在于,所述装饰件吸气口(63、64、65)分别位于所述装饰件(60)的不同区域。
4.根据权利要求3所述的空气导入结构,其特征在于,多个所述装饰件吸气口(63、64、65)的总面积大于所述装饰件排气口(62)的面积。
5.根据权利要求2所述的空气导入结构,其特征在于,所述装饰件(60)是形成所述车室的内壁表面的侧装饰件的一部分,所述需要利用空气冷却部件是位于所述管道出口(40B)的下游的电气部件(10)。
6.根据权利要求5所述的空气导入结构,其特征在于,所述侧装饰件(60)形成所述车室的一部分的行李室(5)的内壁表面的至少一部分,所述需要利用空气冷却部件配置于所述行李室(5)。
7.根据权利要求1所述的空气导入结构,其特征在于,所述装饰件(60)离开所述车体部(7)的所述车室的表面,且所述车室的表面和所述装饰件(60)形成所述腔室(61)。
8.根据权利要求1或7所述的空气导入结构,其特征在于,所述车体部(7)是作为车体部件的后翼子板。
9.根据权利要求1或7所述的空气导入结构,其特征在于,所述装饰件(60)形成在整个所述腔室(61),呈袋状。
10.根据权利要求7所述的空气导入结构,其特征在于,所述车体部(7)具有内空气通路,所述内空气通路通过具有阀口(66)的阀(67)使所述内空气通路与所述腔室(61)连通。
11.根据权利要求10所述的空气导入结构,其特征在于,所述阀(67)是双位阀,所述双位阀(67)具有第一位置和第二位置,在所述第一位置时所述阀口(66)向所述腔室(61)开放且所述装饰件吸气口(63)关闭,在所述第二位置所述阀口(66)关闭且所述装饰件吸气口(63)向所述腔室(61)开放。
12.根据权利要求11所述的空气导入结构,其特征在于,所述内空气通路与车辆外部连通。
13.根据权利要求12所述的空气导入结构,其特征在于,根据车室内外温度差,通过开关所述阀(67)对进入所述腔室(61)内的空气温度进行调节。
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