CN113954627B - 燃料电池车 - Google Patents
燃料电池车 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000001257 hydrogen Substances 0.000 claims abstract description 114
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 114
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 36
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
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Abstract
燃料电池车(1)在车身框架(2)的前部配置乘客室(3),将车身框架(2)的乘客室(3)的后方侧设为货物搭载部(5)。至少在货物搭载部(5)支承氢处理设备。燃料电池车(1)具备将支承于货物搭载部(5)的氢处理设备的至少上方和侧方包围的覆盖室(12f、12m、12r)。在车身框架(2)的货物搭载部(5)配置货箱(4)。在覆盖室(12f)连接有将覆盖室(12f)内的氢气从货箱(4)与乘客室(3)之间朝向上方排出的排出通道(14f)。
Description
技术领域
本发明涉及在乘客室的后方侧具备货物搭载部的燃料电池车。
背景技术
近年来,在乘客室的后方具备货物搭载部的卡车等车辆中,开发出搭载有燃料电池作为驱动电源的结构(以下,称为“燃料电池车”。)(例如,参照日本国特开2005-33996号公报)。
日本国特开2005-33996号公报记载的燃料电池车在车身框架的前部配置乘客室,并将车身框架的乘客室的后方侧设为货物搭载部。在车身框架的货物搭载部安装货箱,在货箱的下方配置包含氢罐的燃料电池系统。作为氢处理设备的氢罐在货箱的下方支承于车身框架。在该燃料电池车中,通过货箱下方的燃料电池系统进行发电,通过发电的电力来驱动车辆驱动用的电动机。
发明内容
上述的燃料电池车将氢罐(氢处理设备)支承于车身框架的货物搭载部,因此氢罐的设置高度接近于在车辆周围作业的作业者存在的高度。因此,希望即使万一从氢罐漏出氢气时也能抑制氢气直接向周围流出的情况。
本发明的方案提供一种即使万一存在氢气从氢处理设备漏出的情况,也能够抑制漏出的氢气向氢处理设备的周围直接流出的情况的燃料电池车。
本发明的一方案的燃料电池车中,在车身框架的前部配置乘客室,并且所述车身框架的所述乘客室的后方侧设为货物搭载部,至少在所述货物搭载部支承氢处理设备,在所述燃料电池车中,所述燃料电池车具备将支承于所述货物搭载部的所述氢处理设备的至少上方和侧方包围的覆盖室,在所述车身框架的货物搭载部配置货箱,在所述覆盖室连接有将所述覆盖室内的氢气从所述货箱与所述乘客室之间朝向上方排出的排出通道。
通过上述的结构,即使万一氢气从氢处理设备泄漏,通过覆盖室也能抑制该漏出的氢气的向周围的流出,能够将覆盖室内的氢气通过排出通道从货箱与乘客室之间向上方排出。因此,在采用了该结构的情况下,能够抑制从氢处理设备泄漏的氢气从覆盖室的附近向周围流出的情况。
可以是,所述排出通道将所述覆盖室内的氢气从比所述货箱高的位置向外部排出。
在该情况下,即使万一氢气从氢处理设备泄漏,通过覆盖室也能抑制该漏出的氢气的向周围的流出,能够将覆盖室内的氢气通过排出通道从比货箱高的位置向外部排出。因此,在采用了该结构的情况下,能够抑制从氢处理设备泄漏的氢气向比货箱的上部低的位置流出的情况。
可以是,所述覆盖室在车辆前后方向上在比后轮靠前方侧的位置沿车辆前后方向分离地配置多个,前方侧的所述覆盖室与后方侧的所述覆盖室经由连接管连接,前方侧的所述覆盖室连接于所述排出通道,在前方侧的所述覆盖室的上部或所述排出通道设置有探测氢气的氢探测传感器。
在该情况下,即使万一氢气从前后覆盖室内的任一氢处理设备泄漏,通过共用的氢探测传感器也能够探测该氢气的漏出。
可以是,后方侧的所述覆盖室沿车宽方向分离地配置至少两个,后方侧的各所述覆盖室分别经由所述连接管连接于前方侧的所述覆盖室,各所述连接管随着朝向车辆前方侧而向上方倾斜。
通过该结构,即使万一氢气从前后的覆盖室内的任一氢处理设备漏出的情况下,也能将漏出的氢气向设置于前方侧的覆盖室或排出通道的氢探测传感器的某部分引导。因此,通过单一的氢探测传感器能够迅速地探测来自分散配置于多个部位的氢处理设备的氢气的泄漏。
本发明的另一方案的燃料电池车中,在车身框架的前部配置乘客室,并且所述车身框架的所述乘客室的后方侧设为货物搭载部,至少在所述货物搭载部支承氢处理设备,在所述燃料电池车中,所述燃料电池车具备将支承于所述货物搭载部的所述氢处理设备的至少上方和侧方包围的覆盖室,在配置于比后轮靠车辆后方侧的位置的所述覆盖室连接有排出通道,该排出通道将所述覆盖室内的氢气向比所述覆盖室靠车辆后方侧的上部的位置排出,在所述排出通道中的比所述货物搭载部的车辆后方端靠前方侧的位置设置有探测氢气的氢探测传感器。
通过上述的结构,即使万一氢气从氢处理设备泄漏,通过覆盖室也能抑制该漏出的氢气的向周围的流出,能够将覆盖室内的氢气通过排出通道向车辆后方侧的上部排出。因此,在采样了该结构的情况下,能够抑制从氢处理设备泄漏的氢气从覆盖室的附近向周围流出的情况。
另外,通过氢探测传感器能够检测来自氢处理设备的氢气的漏出。即使万一其他车辆从车辆后方追尾的情况下,通过货物搭载部的车辆后方端也能够保护氢探测传感器。因此,即使在其他车辆从车辆后方追尾的情况下,通过氢探测传感器也能够探测氢气的漏出。
本发明的方案的燃料电池车将氢处理设备的上方和侧方通过覆盖室包围,因此即使万一氢气从氢处理设备泄漏,也能够抑制该漏出的氢气向氢处理设备的周围直接流出的情况。
附图说明
图1是实施方式的燃料电池车的俯视图。
图2是实施方式的燃料电池车的侧视图。
具体实施方式
以下,基于附图,说明本发明的实施方式。
图1是实施方式的燃料电池车1的俯视图,图2是燃料电池车1的左侧视图。需要说明的是,在这些附图中,与车身框架2和燃料电池系统100相关的部分以外由双点划线表示。
本实施方式的燃料电池车1是能够载置货物的卡车。燃料电池车1具备沿着车身前后方向延伸的车身框架2。在车身框架2的前部配置乘客室3。车身框架2的乘客室3的后方侧作为设置货箱4的货物搭载部5。燃料电池车1搭载有未图示的车辆驱动用的电动机、向该电动机供给电力的燃料电池系统100。
燃料电池系统100具备:使氢与氧(空气)发生电化学反应而发电的燃料电池堆10;向燃料电池堆10供给氢气作为燃料气体的氢罐11;向燃料电池堆10供给空气(氧)作为氧化剂气体的未图示的空气压缩机。在本实施方式中,氢罐11构成氢处理设备。
燃料电池堆10在乘客室3的下方位置配置多个(例如,四个)。氢罐11在车身框架2的货物搭载部5的前方位置、中间位置、后方位置分散地配置多个。货物搭载部5的前部位置的氢罐11在车身框架2的车宽方向左外侧上部呈上下三段地配置三个,并且在车身框架2的车宽方向右外侧上部也同样呈上下三段地配置三个。货物搭载部5的中间位置的氢罐11在车身框架2的车宽方向左外侧下部呈前后二列地配置两个,并且在车身框架2的车宽方向右外侧下部也同样呈前后二列地配置两个。而且,货物搭载部5的后方位置的氢罐11在车身框架2的车宽方向左外侧下部和右外侧下部各配置一个。
另外,在车身框架2的乘客室3的下方位置配置前轮车轴7f,在车身框架2的货物搭载部5的靠后方位置配置前后两根后轮车轴7r。在前轮车轴7f的左右的端部支承各一个前轮Wf。在两根的各后轮车轴7r的左右支承有各两个后轮Wr。而且,在车身框架2的货物搭载部5的靠前方位置配置中间轮车轴7m。在中间轮车轴7m的左右的端部支承各一个中间车轮Wm。车辆驱动用的电动机的驱动力例如经由未图示的传动轴向后轮车轴7r传递。需要说明的是,车辆的驱动方式没有限定于此,可以通过车辆驱动用的电动机来驱动前轮车轴7f。
在此,在货物搭载部5的前方位置配置的左侧三个、右侧三个氢罐11配置在比中间轮车轴7m靠前方且比前轮Wf靠后方的位置。
另外,在货物搭载部5的中间位置配置的左侧两个、右侧两个氢罐11配置在比后轮Wr靠前方且比中间车轮Wm靠后方的位置。在货物搭载部5的后方位置配置的左右各一个氢罐11配置在比后轮Wr靠后方的位置。
在货物搭载部5的前方位置配置的左侧三个、右侧三个氢罐11由将它们的上方和周围的侧方覆盖的覆盖室12f的壁包围。在货物搭载部5的中间位置配置的左侧两个氢罐11和右侧两个氢罐11分别由覆盖室12m的壁包围上方和周围的侧方。在货物搭载部5的后方位置配置的左右各一个氢罐11分别由覆盖室12r的壁包围上方和周围的侧方。
在本实施方式中,各覆盖室12f、12m、12r的下方侧也由壁闭塞。但是,各覆盖室12f、12m、12r只要是能够将配置于内侧的氢罐11的至少上方和侧方包围的结构即可。
在货物搭载部5的中间位置的左右配置的各覆盖室12m的上部分别通过连接管13连接于前方位置的覆盖室12f的后部下方位置。货物搭载部5的中间位置的各覆盖室12m配置在车身框架2的下方侧,货物搭载部5的前方位置的覆盖室12f配置在车身框架2的上方侧。从左右的覆盖室12m的上部延伸的各连接管13随着朝向车辆前方侧而向上方倾斜,前端部连接于前方位置的覆盖室12f。
在前方位置的覆盖室12f的前部上端位置连接有一对排出通道14f。一对排出通道14f在货箱4与乘客室3之间朝向铅垂上方延伸。各排出通道14f的上端部延伸至比货箱4的上端部靠上方的位置。在万一氢气从覆盖室12m、12f内的氢罐11漏出时,排出通道14f将该氢气从前方位置的覆盖室12f向比货箱4靠上方的位置排出。
在前方位置的覆盖室12f的上部设置探测覆盖室12f内的氢气的氢探测传感器Sf。在万一氢气从前方位置的覆盖室12f、中间位置的覆盖室12m的内部的氢罐11漏出时,氢探测传感器Sf探测该漏出的氢气。氢探测传感器Sf经由控制电路连接于车辆的未图示的警告装置。警告装置在通过氢探测传感器Sf检测到氢气的漏出的情况下工作,由此能够使乘客知晓氢气的漏出。
需要说明的是,在本实施方式中,在前方位置的覆盖室12f的上部设置氢探测传感器Sf,但是氢探测传感器Sf也可以设置于排出通道14f。
另外,在本实施方式中,如图2所示,在将中间位置的各覆盖室12m与前方位置的覆盖室12f连接的连接管13设置氢探测传感器Sm。在万一氢气从中间位置的覆盖室12m的内部的氢罐11漏出时,氢探测传感器Sm探测该漏出的氢气。氢探测传感器Sm也经由控制电路连接于车辆的未图示的警告装置。
需要说明的是,在本实施方式中,在连接管13设置氢探测传感器Sm,但是氢探测传感器Sm也可以设置在中间位置的覆盖室12m的上部。而且,从中间位置的覆盖室12m的内部的氢罐11漏出的氢气通过连接管13被向前方位置的覆盖室12f引导,因此配置于中间位置的氢探测传感器Sm也可以省略。但是,如本实施方式那样在中间位置设置有氢探测传感器Sm的情况下,在氢气从覆盖室12m内的氢罐11漏出时,通过氢探测传感器Sm能够迅速地检测该氢气的漏出。
在后方位置的左右的各覆盖室12r的后部上端位置分别连接排出通道14r。排出通道14r在从覆盖室12r的后部上端位置实质上沿着车身框架2向车身后方侧延伸之后,从车身框架2的后端部的近前侧向铅垂上方延伸。排出通道14r的上端部延伸至比货箱4的上端部靠上方的位置。在万一氢气从覆盖室12r内的氢罐11漏出时,排出通道14r将该氢气从覆盖室12r沿着货箱4的后端部向比货箱4靠上方的位置排出。
在排出通道14r中的从覆盖室12r向车身后方侧延伸的部分设置氢探测传感器Sr,该探测传感器Sr探测在排出通道14r中流动的氢气。在万一氢气从后方位置的覆盖室12r的内部的氢罐11漏出时,氢探测传感器Sr在排出通道14r内检测该漏出的氢气。氢探测传感器Sr经由控制电路连接于车辆的未图示的警告装置。氢探测传感器Sr配置在比车身框架2的货物搭载部5的后端部分5e(车辆后方端)靠前方侧的位置。
如以上说明所述,本实施方式的燃料电池车1的作为氢处理设备的氢罐11的至少上方和侧方由覆盖室12f、12m、12r包围。因此,即使万一氢气从氢罐11泄漏,通过覆盖室12f、12m、12r也能够抑制该漏出的氢气向氢罐11的周围直接流出的情况。
另外,本实施方式的燃料电池车1在前方位置的覆盖室12f连接有排出通道14f,该排出通道14f将覆盖室12f内的氢气从货箱4与乘客室3之间朝向上方排出。因此,即使万一氢气从氢罐11泄漏,通过覆盖室12f也能抑制该漏出的氢气的向周围的流出,能够将覆盖室12f内的氢气通过排出通道14f从货箱4与乘客室3之间向上方排出。因此,采用了本结构的燃料电池车1能够抑制从氢罐11漏出的氢气从覆盖室12f的附近向周围的流出。
另外,本实施方式的燃料电池车1设为与覆盖室12f、12r连接的各排出通道14f、14r将覆盖室12f、12r内的氢气向比货箱4高的位置排出的结构。因此,即使万一氢气从覆盖室12f、12r内的氢罐11漏出,通过覆盖室12f也能抑制该漏出的氢气的向周围的流出,能够将覆盖室12f、12r内的氢气通过各排出通道14f、14r从比货箱4高的位置向外部排出。因此,采用了本结构的燃料电池车1能够抑制从氢罐11漏出的氢气向比货箱4的上部低的位置流出的情况。
此外,本实施方式的燃料电池车1将配置在比后轮Wr靠前方的中间位置的覆盖室12m与前方位置的覆盖室12f经由连接管13连接,在前方位置的覆盖室12f的上部设置氢探测传感器Sf。因此,即使万一氢气从覆盖室12m、12f内的任一者的氢罐11漏出,通过共用的氢探测传感器Sf也能够探测该氢气的漏出。
另外,本实施方式的燃料电池车1将中间位置的两个覆盖室12m分别经由连接管13连接于前方位置的覆盖室12f,各连接管13以随着朝向车辆前方侧而向上方倾斜的方式配置。即使在从中间位置的两个覆盖室12m内的氢罐11和前方位置的覆盖室12f内的氢罐11中的任一者漏出氢气的情况下,也能将漏出的氢气向配置在前方位置的覆盖室12f的上部的氢探测传感器Sf引导。因此,在采用了本结构的燃料电池车1中,通过单一的氢探测传感器能够迅速地探测来自分散配置于多个部位的氢罐11的氢气的泄漏。
另外,本实施方式的燃料电池车1在后方位置的覆盖室12r连接排出通道14r,该排出通道14r将覆盖室12r内的氢气向车辆后方侧的上部排出,在排出通道14r中的比车身框架2的货物搭载部5的后端部分5e(车辆后方端)靠前方侧的位置设置氢探测传感器Sr。因此,即使万一其他车辆从车辆后方追尾,通过货物搭载部5的后端部分5e也能够保护氢探测传感器Sr。因此,采用了本结构的燃料电池车1即使在其他车辆从车辆后方追尾的情况下,通过氢探测传感器Sr也能够探测氢气的漏出。
需要说明的是,本发明没有限定为上述的实施方式,在不脱离其主旨的范围内可以进行各种设计变更。例如,在上述的实施方式中,作为氢处理设备的一方式的氢罐的上方和侧方由覆盖室包围,但是氢处理设备没有限定为氢罐,可以是对氢进行处理的配管、控制阀等。
Claims (4)
1.一种燃料电池车,
在车身框架的前部配置乘客室,并且所述车身框架的所述乘客室的后方侧设为货物搭载部,
至少在所述货物搭载部支承氢处理设备,
在所述燃料电池车中,
所述燃料电池车具备覆盖室,该覆盖室将支承于所述货物搭载部的所述氢处理设备的至少上方和侧方包围,
在所述车身框架的货物搭载部配置货箱,
在所述覆盖室连接有排出通道,该排出通道将所述覆盖室内的氢气从所述货箱与所述乘客室之间朝向上方排出,
所述排出通道将所述覆盖室内的氢气从比所述货箱高的位置向外部排出。
2.根据权利要求1所述的燃料电池车,其中,
所述覆盖室在车辆前后方向上在比后轮靠前方侧的位置,沿车辆前后方向分离地配置多个,
前方侧的所述覆盖室与后方侧的所述覆盖室经由连接管连接,
前方侧的所述覆盖室连接于所述排出通道,
在前方侧的所述覆盖室的上部或所述排出通道设置有探测氢气的氢探测传感器。
3.根据权利要求2所述的燃料电池车,其中,
后方侧的所述覆盖室沿车宽方向分离地配置至少两个,
后方侧的各所述覆盖室分别经由所述连接管连接于前方侧的所述覆盖室,
各所述连接管随着朝向车辆前方侧而向上方倾斜。
4.一种燃料电池车,
在车身框架的前部配置乘客室,并且所述车身框架的所述乘客室的后方侧设为货物搭载部,
至少在所述货物搭载部支承氢处理设备,
在所述燃料电池车中,
所述燃料电池车具备覆盖室,该覆盖室将支承于所述货物搭载部的所述氢处理设备的至少上方和侧方包围,
在所述车身框架的所述货物搭载部配置货箱,
在配置于比后轮靠车辆后方侧的位置的所述覆盖室连接有排出通道,该排出通道将所述覆盖室内的氢气向比所述覆盖室靠车辆后方侧的上部的位置排出,且将所述覆盖室内的氢气从比所述货箱高的位置向外部排出,
在所述排出通道中的比所述货物搭载部的车辆后方端靠前方侧的位置设置有探测氢气的氢探测传感器。
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