CN108583303A - 燃料电池单元 - Google Patents
燃料电池单元 Download PDFInfo
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- CN108583303A CN108583303A CN201810179903.9A CN201810179903A CN108583303A CN 108583303 A CN108583303 A CN 108583303A CN 201810179903 A CN201810179903 A CN 201810179903A CN 108583303 A CN108583303 A CN 108583303A
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- fuel cell
- harness
- monocell monitor
- wall part
- cell
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- 239000000446 fuel Substances 0.000 title claims abstract description 152
- 230000009466 transformation Effects 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 230000005764 inhibitory process Effects 0.000 abstract description 5
- 210000004027 cell Anatomy 0.000 description 198
- 230000005611 electricity Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
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Abstract
本发明提供一种燃料电池单元,能够同时实现线束与电力变换部的物理接触的防止及开关噪声对模拟数据的影响的抑制,并实现燃料电池单元的小型化。燃料电池单元具备:燃料电池组;单电池监控器,检测燃料电池组的电压或电流;线束,将燃料电池组与单电池监控器连接;电力变换部,具有开关元件,使用开关元件进行燃料电池组的输出电力的变换或向燃料电池组的运转所使用的辅机供给的供给电力的变换;及金属制的隔壁部,将线束与电力变换部之间分隔,该隔壁部接地,线束与电力变换部隔着隔壁部而相邻配置。
Description
本申请基于2017年3月10日提出的申请号为2017-045514号的日本专利申请要求优先权,将其公开的全部内容通过参照而援引于本申请。
技术领域
本发明涉及燃料电池单元。
背景技术
在燃料电池单元中,存在具备燃料电池组和电力变换部的燃料电池单元,该电力变换部具有开关元件且以高频率进行开关。作为电力变换部,例如有对燃料电池组的输出电力进行变换的燃料电池用转换器、对向燃料电池组的运转所使用的辅机供给的供给电力进行变换的辅机用变换器等。
在JP2014-151664A的燃料电池车辆搭载有具备燃料电池组及电力变换部的燃料电池单元。本申请的发明人在这样的燃料电池车辆中考虑了燃料电池单元的小型化,结果发现存在以下那样的课题。即,由于将检测燃料电池组的电压或电流的单电池监控器和燃料电池组连接的线束与电力变换部配置于接近的位置,因此存在由于车辆振动而导致线束与电力变换部物理接触从而受到损伤,或者经由线束传送的模拟数据由于在电力变换部产生的开关噪声而受到影响这样的课题。为了解决这样的课题,希望有一种能够同时实现线束与电力变换部的物理接触的防止及开关噪声对模拟数据的影响的抑制,并实现燃料电池单元的小型化的技术。
发明内容
本发明为了解决上述课题的至少一部分而完成,可以作为以下的方式实现。
(1)根据本发明的一个方式,提供一种燃料电池单元。该燃料电池单元具备:燃料电池组;单电池监控器,检测所述燃料电池组的电压或电流;线束,将所述燃料电池组与所述单电池监控器连接;电力变换部,具有开关元件,使用所述开关元件进行所述燃料电池组的输出电力的变换或向所述燃料电池组的运转所使用的辅机供给的供给电力的变换;及金属制的隔壁部,将所述线束与所述电力变换部之间分隔,该隔壁部接地,所述线束与所述电力变换部隔着所述隔壁部而相邻配置。如果设为这样的方式,则通过隔壁部将线束与电力变换部之间分隔,能够防止线束与电力变换部的物理接触。而且,金属制的隔壁部能够对开关噪声进行反射或吸收并向大地释放,因此能够抑制开关噪声对模拟数据的影响。因此,能够将线束与电力变换部配置在接近的位置,能够实现燃料电池单元的小型化。由此,能够同时实现线束与电力变换部的物理接触的防止及开关噪声对模拟数据的影响的抑制,并实现燃料电池单元的小型化。
(2)在上述方式中,可以是,所述燃料电池单元搭载于车辆,所述隔壁部通过所述车辆的车身而接地。如果设为这样的方式,则能够使吸收到隔壁部的开关噪声由车辆主体吸收。而且,与设置直接连接于隔壁部的接地线的结构相比,能够简化用于隔壁部的接地的结构,因此能够抑制制造成本。
(3)在上述方式中,可以是,所述燃料电池单元还具备金属制的单电池监控器壳体,该单电池监控器壳体收容所述单电池监控器,且以使所述单电池监控器用于与所述线束连接的第一连接器向外侧露出的状态收容所述单电池监控器,所述燃料电池组具有用于与所述线束连接的第二连接器,所述线束配置在所述单电池监控器壳体的外侧,通过与所述第一连接器及所述第二连接器连接而将所述燃料电池组与所述单电池监控器连接。如果设为这样的方式,则即使线束配置在单电池监控器壳体的外侧,也能够通过隔壁部来防止线束与电力变换部的物理接触。而且,能够在单电池监控器收容于单电池监控器壳体的状态下进行线束的配置作业,能够实现作业性的提高和作业中的单电池监控器的损伤抑制。
(4)在上述方式中,可以是,所述燃料电池单元还具备:第一副单元,包括所述燃料电池组、所述单电池监控器、所述单电池监控器壳体及所述隔壁部,所述单电池监控器及所述单电池监控器壳体向第一方向突出配置;及第二副单元,包括所述电力变换部,相对于所述第一副单元位于所述第一方向,与所述第一副单元连接而一体化,形成有收容所述单电池监控器、所述单电池监控器壳体及所述隔壁部的收容空间,所述单电池监控器壳体以所述第一连接器的位置在所述单电池监控器中位于所述第一方向侧的方式收容所述单电池监控器,经由托架固定于所述第一副单元,所述线束的至少一部分配置于所述收容空间,所述隔壁部经由所述托架固定于所述第一副单元,从配置有所述电力变换部的一侧覆盖配置于所述收容空间的所述线束。如果设为这样的方式,则线束中的配置有电力变换部的一侧被隔壁部覆盖,因此在将第一副单元与第二副单元连接而一体化时,能够防止线束与电力变换部物理接触而破损。
本发明的方式并不局限于燃料电池单元,例如也能够应用于搭载有燃料电池单元的车辆、制造燃料电池单元的方法等各种方式。而且,本发明不受前述的方式的任何限定,当然能够在不脱离本发明的主旨的范围内各种方式实施。
附图说明
图1是表示燃料电池单元的概略结构的框图。
图2是表示燃料电池单元的配置结构的概念图。
图3是表示燃料电池单元的配置结构的概念图。
图4是表示电力变换部收容部与堆收容部一体化之前的状态的说明图。
图5是表示单电池监控器壳体及隔壁部的立体图。
具体实施方式
A.第一实施方式:
图1是表示本发明的第一实施方式的燃料电池单元10的概略结构的框图。燃料电池单元10作为由驱动电动机200驱动的车辆的电源而搭载。燃料电池单元10具备燃料电池组100、线束105、单电池监控器110、单电池监控器壳体114、燃料电池用转换器120、二次电池130、辅机用变换器140、辅机150、二次电池用转换器160、电动机用变换器170、隔壁部180及外壳190。而且,燃料电池单元10具备直流导线W1、直流导线W2、直流导线W3、直流导线W4、交流导线W5、直流导线W6、交流导线W7。
燃料电池组100是通过氢与氧的电化学反应而发电的单元。燃料电池组100通过层叠多个单电池而形成。单电池是即使分别为单体也能够发电的发电要素,具有在具有电解质膜的膜电极接合体的两个面配置气体扩散层而得到的膜电极气体扩散层接合体和配置在膜电极气体扩散层接合体的两外侧的隔板。电解质膜由在内部包含有水分的湿润状态时表现出良好的质子传导性的固体高分子薄膜构成。燃料电池组100能够应用各种类型,在本实施方式中,使用固体高分子型。燃料电池组100经由多个电缆成为束状的线束105与单电池监控器110电连接。而且,燃料电池组100经由直流导线W1与燃料电池用转换器120电连接。
单电池监控器110是对构成燃料电池组100的单电池的电压或电流进行检测的监控器。经由线束105向单电池监控器110传送在燃料电池组100中计测到的模拟数据。
单电池监控器壳体114为铁制,以使单电池监控器110用于与线束105连接的连接器(后述的连接器112)向外侧露出的状态收容单电池监控器110。在本实施方式中,连接器112相当于用于解决课题的方案中的第一连接器的下位概念。
燃料电池用转换器120是升压型的转换器装置,进行将燃料电池组100的输出电压升压至目标电压的升压动作。燃料电池用转换器120具有未图示的电抗器及开关元件,使用开关元件进行向电抗器的通电控制。在开关元件接通时蓄积于电抗器的磁能在开关元件断开时成为感应电压,与燃料电池组100的输出电压叠加而输出,从而实现升压。这样,燃料电池用转换器120为了燃料电池组100的输出电力的变换而进行开关。燃料电池用转换器120经由直流导线W2与电动机用变换器170电连接。
二次电池130与燃料电池组100一起作为燃料电池单元10的电力源发挥功能。在本实施方式中,二次电池130由锂离子电池构成。在其他的实施方式中,二次电池130也可以是铅蓄电池、镍镉电池、镍氢电池等其他种类的电池。二次电池130经由直流导线W3与二次电池用转换器160电连接。
辅机用变换器140经由直流导线W4与将二次电池130和二次电池用转换器160连接的直流导线W3电连接。辅机用变换器140将从二次电池130经由直流导线W3及直流导线W4以直流供给的电力变换成三相交流的电力。辅机用变换器140具有未图示的开关元件,对该开关元件进行PWM控制而将直流电压变换成交流电压。这样,辅机用变换器140为了向辅机150的供给电力的变换而进行开关。辅机用变换器140经由交流导线W5与辅机150电连接,将三相交流电力向辅机150供给。
在本实施方式中,燃料电池用转换器120及辅机用变换器140相当于用于解决课题的方案中的电力变换部的下位概念。
辅机150是燃料电池组100的运转所使用的辅机。辅机150例如包括用于向燃料电池组100供给作为阴极气体的空气的空气压缩器、用于使作为阳极气体的氢循环的氢循环泵、对燃料电池组100进行冷却的冷却装置、用于对向燃料电池组100供给的气体进行加湿的加湿装置等。
二次电池用转换器160是升降型的转换器装置,具有与燃料电池用转换器120类似的结构。二次电池用转换器160经由直流导线W6与将燃料电池用转换器120和电动机用变换器170连接的直流导线W2电连接。二次电池用转换器160调整电动机用变换器170的输入电压即直流导线W2上的电压,对二次电池130的充放电进行控制。
在来自燃料电池用转换器120的输出电力相对于目标输出电力不足的情况下,二次电池用转换器160使二次电池130放电。另一方面,在驱动电动机200中产生再生电力的情况下,二次电池用转换器160对该再生电力进行变换而使二次电池130蓄电。而且,二次电池用转换器160也能够对燃料电池组100的输出电力进行变换而使二次电池130蓄电。需要说明的是,二次电池用转换器160也可以具有与燃料电池用转换器120不同的结构。
电动机用变换器170将从燃料电池组100及二次电池130经由直流导线W2以直流供给的电力变换成三相交流的电力。电动机用变换器170经由交流导线W7与驱动电动机200电连接,将三相交流电力向驱动电动机200供给。而且,电动机用变换器170将在驱动电动机200处产生的再生电力变换成直流电力而向直流导线W2输出。
隔壁部180是金属制的板状构件。关于隔壁部180的具体结构,将在图2中进行说明。
外壳190收容燃料电池组100、线束105、单电池监控器110、单电池监控器壳体114、燃料电池用转换器120、二次电池130、辅机用变换器140、辅机150、二次电池用转换器160、电动机用变换器170及隔壁部180。外壳190为铝制。外壳190固定于车辆。
驱动电动机200是将从电动机用变换器170供给的三相交流电力变换为旋转动力的电动机。
图2是表示第一实施方式的燃料电池单元10的配置结构的概念图。图2图示出相互正交的XYZ轴。图2的XYZ轴对应于其他附图的XYZ轴。在图2中,为了便于说明,图示出燃料电池单元10中的燃料电池组100、线束105、单电池监控器110、单电池监控器壳体114、燃料电池用转换器120、隔壁部180及外壳190,而关于燃料电池单元10的其他结构则省略图示及说明。
外壳190的内侧通过在靠近Z轴方向上的中央的部分设置沿着X轴方向延伸的分隔件191而被划分成+Z轴方向侧的空间S1和-Z轴方向侧的空间S2。在空间S1中配置单电池监控器110、单电池监控器壳体114、燃料电池用转换器120及隔壁部180。在空间S2中配置燃料电池组100。分隔件191具有将空间S1与空间S2之间连通的开口部196。
线束105穿过开口部196并且配置在单电池监控器壳体114的外侧,经由燃料电池组100侧的连接器102及单电池监控器110侧的连接器112将燃料电池组100与单电池监控器110连接。在本实施方式中,连接器102相当于用于解决课题的方案中的第二连接器的下位概念。
隔壁部180将线束105与燃料电池用转换器120之间分隔。隔壁部180是沿着Y轴方向延伸的铁制的板状构件。线束105与燃料电池用转换器120隔着隔壁部180而相邻配置。“隔着隔壁部180而相邻配置”例如包括在线束105与燃料电池用转换器120之间仅配置有隔壁部180这一形态。隔壁部180配置在比单电池监控器110靠+X轴方向侧且比线束105靠+Z轴方向侧处。在本实施方式中,隔壁部180固定于外壳190的壁面。由于铝制的外壳190固定于车辆,因此隔壁部180处于经由外壳190接地于车辆的车身的状态。由此,隔壁部180能够使吸收到隔壁部180的开关噪声由车辆主体吸收。而且,与设置直接连接于隔壁部的接地线的结构相比,能够简化用于隔壁部180的接地的结构,因此能够抑制制造成本。
根据以上说明的实施方式,通过隔壁部180将线束105与燃料电池用转换器120之间分隔,能够防止线束105与燃料电池用转换器120的物理接触。而且,由于隔壁部180为铁制,因此能够对由于燃料电池用转换器120的开关而产生的开关噪声进行反射或吸收并向大地释放,因此能够抑制经由线束105从燃料电池组100向单电池监控器110传送的模拟数据受到开关噪声的影响。因此,能够将线束105和燃料电池用转换器120配置在接近的位置,能够实现燃料电池单元10的小型化。由此,能够同时实现线束105与燃料电池用转换器120的物理接触的防止及开关噪声对模拟数据的影响的抑制,并实现燃料电池单元10的小型化。
在为了防止线束105与燃料电池用转换器120的物理接触而将通常的树脂制的保护构件卷绕于线束105的方式中,无法防止开关噪声对模拟数据的影响。而且,在将带有噪声消除功能的保护构件卷绕于线束105的方式中,存在这样的保护构件价格高昂这一问题点。此外,在将这些保护构件卷绕于线束105的方式中,需要也设置耐磨损用的保护带或耐磨损用的管。另一方面,在第一实施方式中,通过具备隔壁部180,能够同时实现线束105与燃料电池用转换器120的物理接触的防止及开关噪声对模拟数据的影响的抑制,并且与带有噪声消除功能的保护构件相比为廉价的结构。而且,在第一实施方式中,不需要设置耐磨损用的保护带或耐磨损用的管,可以使用卷绕有通常的树脂制的保护构件的线束105。此外,在线束105存在多个的情况下,可以为了将多个线束105聚集而使用聚氯乙烯绝缘带等低成本的构件。
另外,在第一实施方式的燃料电池单元10中,燃料电池单元10内的线束105的配置的自由度高。具体而言,即使在单电池监控器110中的面向燃料电池用转换器120的一侧配置线束105,也能够通过隔壁部180降低开关噪声的影响,因此不需要在单电池监控器110中的面向燃料电池用转换器120的一侧的相反侧配置线束105。因此,燃料电池单元10内的线束105的配置的自由度高。
在第一实施方式的燃料电池单元10中,隔壁部180将线束105与燃料电池用转换器120之间分隔。因此,能够防止在单电池监控器壳体114的外侧配置的线束105与燃料电池用转换器120的物理接触。而且,能够在单电池监控器110收容于单电池监控器壳体114的状态下进行线束105的配置作业,能够实现作业性的提高和作业中的单电池监控器110的损伤抑制。
B.第二实施方式:
图3是表示第二实施方式的燃料电池单元10a的配置结构的概念图。燃料电池单元10a除了具备与第一实施方式中的外壳190不同的外壳190a这一点和燃料电池单元10a的配置结构与燃料电池单元10的配置结构不同这一点之外,与第一实施方式的燃料电池单元10的结构相同。因此,对相同的构成要素标注相同的标号,省略其详细的说明。在图3中,为了便于说明而图示出燃料电池组100、线束105、单电池监控器110、单电池监控器壳体114、燃料电池用转换器120、隔壁部180、外壳190a及托架193,关于燃料电池单元10a的其他结构省略图示及说明。
在第二实施方式的燃料电池单元10a中,具有将第一副单元192与第二副单元194相互沿着Z轴方向组装而成的结构。关于第一副单元192及第二副单元194的详细结构将在后文叙述。
外壳190a收容燃料电池单元10a的各结构。外壳190a为铝制。外壳190a由第一副单元192的外壳和第二副单元194的外壳构成。外壳190a通过将第一副单元192与第二副单元194连接并一体化而形成。
图4是表示第一副单元192与第二副单元194一体化之前的状态的说明图。外壳190a通过将第二副单元194从+Z轴方向侧与第一副单元192连接而形成。图3的状态是形成了外壳190a的状态。
第一副单元192包括燃料电池组100、单电池监控器110及单电池监控器壳体114。单电池监控器110及单电池监控器壳体114向+Z轴方向侧突出配置。单电池监控器壳体114以连接器112的位置在单电池监控器110中位于+Z轴方向侧的方式收容单电池监控器110,并且经由铁制的托架193固定于第一副单元192。托架193是从第一副单元192独立出来的部件。在本实施方式中,单电池监控器110以连接器112朝向-X轴方向侧配置的方式收容于单电池监控器壳体114。在本实施方式中,+Z轴方向相当于用于解决课题的方案中的第一方向的下位概念。
第二副单元194包括燃料电池用转换器120、二次电池130、辅机用变换器140、辅机150、二次电池用转换器160及电动机用变换器170。需要说明的是,为了便于说明,关于第二副单元194所包含的结构仅图示出燃料电池用转换器120。第二副单元194相对于第一副单元192位于+Z轴方向,与第一副单元192连接而一体化。而且,在第二副单元194形成有收容空间S3。在第二副单元194与第一副单元192一体化时,线束105的一部分、单电池监控器110、单电池监控器壳体114、隔壁部180及托架193等收容于收容空间S3。
线束105传过设于第一副单元192的开口部196a并且配置在单电池监控器壳体114的外侧,将燃料电池组100侧的连接器102与单电池监控器110侧的连接器112之间连接。
图5是表示单电池监控器壳体114及隔壁部180的立体图。在图5中,为了便于理解,仅图示出线束105、连接器112、单电池监控器壳体114、隔壁部180、第一副单元192及托架193。
隔壁部180经由托架193固定于第一副单元192。隔壁部180从配置燃料电池用转换器120的一侧即-X轴方向侧覆盖配置于收容空间S3的线束105。在形成了外壳190a的状态下,线束105与燃料电池用转换器120隔着隔壁部180而相邻配置。
具有以上的结构的燃料电池单元10a具有与第一实施方式的燃料电池单元10同样的效果。而且,由于线束105中的配置燃料电池用转换器120的一侧由隔壁部180覆盖,因此在第一副单元192与第二副单元194连接而一体化时(从图4的状态向图3的状态转变时),能够防止由单电池监控器壳体114等向收容空间S3的插入或插入后的位置调整等导致线束105与燃料电池用转换器120物理接触而破损。
C.变形例:
C1.变形例1:
在各实施方式中,隔壁部180将燃料电池用转换器120与线束105之间分隔,但是本发明并不局限于此。例如,隔壁部180也可以将辅机用变换器140与线束105之间分隔。即,通常,隔壁部180也可以将电力变换部与线束105之间分隔,该电力变换部具有开关元件,使用开关元件进行燃料电池组100的输出电力的变换或向燃料电池组100的运转所使用的辅机150供给的供给电力的变换。而且,并不局限于辅机用变换器140,隔壁部180也可以将二次电池用转换器160和电动机用变换器170中的至少任一方与线束105之间分隔。即,隔壁部180也可以将电力变换部与线束105之间分隔,该电力变换部具有开关元件,使用开关元件进行二次电池130的输出电力及为了对二次电池130充电而从燃料电池组100输出的电力的变换、或者从燃料电池组100及二次电池130向驱动电动机200供给的电力的变换。隔壁部180也可以将燃料电池单元10中的使用开关元件进行电力的变换的电力变换部与线束105之间分隔。
C2.变形例2:
在第一实施方式中,燃料电池单元10搭载于车辆,但是本发明并不局限于此。例如,燃料电池单元10也可以搭载于船舶,还可以设置于房屋。在这样的情况下,隔壁部接地于船舶的船身或大地。
C3.变形例3:
在各实施方式中,单电池监控器110收容于单电池监控器壳体114,但是本发明并不局限于此。例如,单电池监控器110也可以不收容于单电池监控器壳体114。
C4.变形例4:
在第二实施方式中,托架193是从第一副单元192独立出来的部件,但是本发明并不局限于此。例如,托架193也可以是第一副单元192的一部分朝向+Z轴方向侧突出而成的结构。
C5.变形例5:
在第二实施方式中,单电池监控器110以连接器112朝向-X轴方向侧配置的方式收容于单电池监控器壳体114,但是本发明并不局限于此。例如,单电池监控器110也可以以连接器112朝向+X轴方向侧配置的方式收容于单电池监控器壳体114,还可以以连接器112朝向+Z轴方向侧配置的方式收容于单电池监控器壳体114。
本发明并不局限于上述的实施方式或实施例、变形例,能够在不脱离其主旨的范围内以各种结构实现。例如,与发明内容一栏记载的各方式中的技术特征对应的实施方式、实施例、变形例中的技术特征能够为了解决上述课题的一部分或全部或者为了实现上述效果的一部分或全部而适当进行更换、组合。而且,只要该技术特征在本说明书中没有作为必要技术特征进行说明,就可以适当删除。
标号说明
10、10a…燃料电池单元
100…燃料电池组
102…连接器
105…线束
110…单电池监控器
112…连接器
114…单电池监控器壳体
120…燃料电池用转换器
130…二次电池
140…辅机用变换器
150…辅机
160…二次电池用转换器
170…电动机用变换器
180…隔壁部
190…外壳
190a…外壳
192…第一副单元
193…托架
194…第二副单元
196…开口部
196a…开口部
200…驱动电动机
S1、S2…空间
S3…收容空间
W1、W2、W3、W4、W6…直流导线
W5、W7…交流导线
Claims (4)
1.一种燃料电池单元,其中,具备:
燃料电池组;
单电池监控器,检测所述燃料电池组的电压或电流;
线束,将所述燃料电池组与所述单电池监控器连接;
电力变换部,具有开关元件,使用所述开关元件进行所述燃料电池组的输出电力的变换或向所述燃料电池组的运转所使用的辅机供给的供给电力的变换;及
金属制的隔壁部,将所述线束与所述电力变换部之间分隔,该隔壁部接地,
所述线束与所述电力变换部隔着所述隔壁部而相邻配置。
2.根据权利要求1所述的燃料电池单元,
所述燃料电池单元搭载于车辆,
所述隔壁部通过所述车辆的车身而接地。
3.根据权利要求1或2所述的燃料电池单元,
还具备金属制的单电池监控器壳体,该单电池监控器壳体收容所述单电池监控器,且以使所述单电池监控器用于与所述线束连接的第一连接器向外侧露出的状态收容所述单电池监控器,
所述燃料电池组具有用于与所述线束连接的第二连接器,
所述线束配置在所述单电池监控器壳体的外侧,通过与所述第一连接器及所述第二连接器连接而将所述燃料电池组与所述单电池监控器连接。
4.根据权利要求3所述的燃料电池单元,还具备:
第一副单元,包括所述燃料电池组、所述单电池监控器、所述单电池监控器壳体及所述隔壁部,所述单电池监控器及所述单电池监控器壳体向第一方向突出配置;及
第二副单元,包括所述电力变换部,该第二副单元相对于所述第一副单元位于所述第一方向,与所述第一副单元连接而一体化,形成有收容所述单电池监控器、所述单电池监控器壳体及所述隔壁部的收容空间,
所述单电池监控器壳体以所述第一连接器的位置在所述单电池监控器中位于所述第一方向侧的方式收容所述单电池监控器,并经由托架固定于所述第一副单元,
所述线束的至少一部分配置于所述收容空间,
所述隔壁部经由所述托架固定于所述第一副单元,从配置有所述电力变换部的一侧覆盖配置于所述收容空间的所述线束。
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JP7137484B2 (ja) * | 2019-01-17 | 2022-09-14 | 本田技研工業株式会社 | 燃料電池車両 |
JP7078010B2 (ja) * | 2019-04-25 | 2022-05-31 | トヨタ自動車株式会社 | 燃料電池ユニット |
JP7136014B2 (ja) | 2019-06-07 | 2022-09-13 | トヨタ自動車株式会社 | 燃料電池ユニット |
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US20180257490A1 (en) | 2018-09-13 |
CN108583303B (zh) | 2021-07-06 |
JP6724825B2 (ja) | 2020-07-15 |
US10953755B2 (en) | 2021-03-23 |
DE102018104803A1 (de) | 2018-09-13 |
JP2018152163A (ja) | 2018-09-27 |
DE102018104803B4 (de) | 2023-08-10 |
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