CN101151752A - 用于车辆的可分离燃料电池电源单元 - Google Patents
用于车辆的可分离燃料电池电源单元 Download PDFInfo
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- 230000007246 mechanism Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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Abstract
一种用于车辆的可分离便携燃料电池电源单元(10),其具有单一壳体(11),所述壳体包含:储存燃料的燃料池(22);至少一个从液体燃料输送电能的电化学燃料电池堆(20,21);壳体外表面中的燃料加注口(16);和通过在至少一个燃料电池堆(20,21)中的阴极元件,在壳体(11)外表面上的第一入口(12,14)和第一出口(15)之间延伸的气流通路。所述单元包括与车辆上的电源控制器连接的控制电路(23),以当电源单元(10)耦合至车辆上时确定车辆允许的操作条件。
Description
技术领域
本发明涉及一种燃料电池,特别地涉及燃料电池在车辆中的使用。
背景技术
在使用燃料电池作为用于各种机动车辆的替代能源方面,存在着不断增长的兴趣。燃料电池从氢和氧到水的电化学转化提供电能输出,因此其使用能够充分地减少空气污染,从而提供显著的益处。而且,燃料电池可从直接储存的氢供给(例如以压缩形式瓶装)或从间接的氢供给(例如从含有氢的燃料,从所述燃料氢可被相关的燃料处理器释放出来)而操作。
然而,在应用燃料电池技术到机动车辆运用中,存在许多相关问题有待解决。这些问题包括:(i)对于给定尺寸和质量的适合车辆的燃料电池,提供足够的能量输出,同时在根据不同的操作条件对电池的要求方面维持足够的限制;(ii)降低再次充电或燃料加注时间至可接受水平,该水平能与现有的由内燃机提供能源的车辆相当;(iii)连接燃料电池至车辆的驱动和控制系统;和(iv)提供燃料电池电源单元于一适合车辆的包装体中。
发明内容
本发明的目的是提供一通用的解决方案,提供用于车辆的基于燃料电池的电源单元,其中上述的一些或所有问题都被减轻或解决。
根据一方面,本发明提供用于车辆的燃料电池电源单元,燃料电池电源单元包括单一壳体,其包含:
储存燃料的燃料箱;
至少一个从液体燃料释放电能的电化学燃料电池堆;
壳体外表面中的燃料加注口;和
通过在至少一个燃料电池堆中的阴极元件,在壳体外表面上的第一入口和壳体外表面上的第一出口之间延伸的气流通路。
附图说明
现将通过例子并参照附图描述本发明的实施例。
图1示出适于车辆例如自行车或摩托车使用以及适于与车辆离体使用的燃料电池电源单元的示意性透视图;
图2示出侧面被部分去除以显示内部细节的图1的燃料电池电源单元的示意性透视图;
图3示出侧面被部分去除以显示内部细节的图1的燃料电池电源单元的示意性透视图;
图4示出侧面被部分去除以显示内部细节的图1的燃料电池电源单元的背面的示意性透视图;
图5示出图1的燃料电池电源单元的底面的示意性透视图;
图6示出完全安装在机动自行车或摩托车中的图1的燃料电池电源单元的示意性侧视图;
图7示出在机动自行车或摩托车上部分弹出位置的图1的燃料电池电源单元的示意性侧视图;
图8示出在机动自行车或摩托车上完全弹出位置并准备好移出的图1的燃料电池电源单元的示意性侧视图。
图9示出在机动自行车或摩托车上完全弹出并部分移出位置的图1的燃料电池电源单元的示意性侧视图;
图10示出从机动自行车或摩托车完全移出的图1的燃料电池电源单元的示意性侧视图;
具体实施方式
参照图1,示出用于车辆的优选的紧凑型燃料电池电源单元10。电源单元10尤其适于可从车辆移出,所以其可用于作为其它应用的替代电源。这些其它应用的例子可包括提供永久住处或临时住处的家庭电源、应急电源、移动办公室电源、户外照明或一般移动便携应用例如便携计算机等。通过使得电源单元能够进行交换或在多辆车辆中使用相同的电源单元,电源单元10的可移出性同样使得容易维护。用充满电的单元替换已放电的电源单元10或加注已放电的单元,消除了与电池供电的电动车辆相关的长时间的充电时间。
电源单元10也尤其适于集成到车辆,其中,其安装使得使用容易性、通用性和效率都最为优化。单一壳体11包括侧板11a,11b、尾边板11c、上表面11d、前边板11e(见图4)和下表面11f(见图4)。尾边板11c包括隐藏式手柄12,该手柄也作为第一空气入口。前边板11e也包括隐藏式手柄14,该手柄也作为第二空气入口。上表面11d也包括隐藏式手柄13,该手柄也可作为另一空气入口。一个或优选两个侧板11a,11b都包括空气出口15。空气入口和出口的精确布置可根据不同设计而变化,并且一些或全部入口/出口都可作为隐藏式手柄。上表面11d优选地也包括燃料加注口16以当电源单元被安装在车辆中或当其从车辆中移出时容易接近。
参照图2和图3,燃料电池电源单元10的内部部件包括一对燃料电池堆20,21和燃料供给箱22。在优选的布置中,燃料供给箱22是一圆筒以储存压缩气态氢。在其它实施例中,可使用间接氢源燃料类型,例如甲醇、乙醇和硼氢化钠,其包含在适当的容器内。当使用这些间接氢源时,燃料电池堆20,21可特别地适配使用这些燃料的燃料电池(包括直接甲醇燃料电池、固体氧化物燃料电池、直接硼氢化物燃料电池等),或传统的带有适当的燃料处理器(未示出)以产生输送到那的氢的氢燃料质子交换隔膜电池。燃料箱22通过适当的管道30和阀系统31被连接至燃料加注口16。燃料通过高压气体调整器32和燃料输送管道33以及低压气体调整器34被输送到各个燃料电池堆20,21。
冷却和氧化空气从隐藏式手柄12,14中的空气入口被输送到燃料电池堆20,21。优选地,燃料电池20,21为开放阴极类型,因为环境压力下的空气流过燃料电池阴极板作为(i)氧化剂供给、(ii)排气载体流和(iii)冷却剂。为此,电源单元提供在燃料电池堆20,21周围的入口12和/或入口14之间延伸以及在燃料电池板之间延伸的通过过滤器35,36的气流通路。取决于燃料电池20,21的性能要求,可通过风扇40,41提供强行通风以增加燃料电池板之间的气流,如图4所特别示出。空气通过空气出口15从电源单元10排出。在一个或两个侧面11a,11b上可以有出口(同样见图5)。
在优选的实施例中,在后面将会描述,燃料电池电源单元10定位在车辆之中以使得车辆的前向运动帮助通过气流通路提供强迫空气冷却和氧化剂供给至燃料电池。
电源单元壳体11的基座包括电力控制电路23以控制燃料电池操作并与电源单元10所安装在的车辆上的电源控制器连接。
参照图5,电源单元壳体11的基座11f包括凹槽50,其包含电接点51以电耦合电源单元10至其所安装在的车辆。优选地,电接点51包括两个或更多分离的电源接点以及分离的控制接点,所述电源接点是为动力电源输送高电流,所述控制接点是输送控制信号。然而,将理解的是控制信号可替代地或另外地在电源单元10和车辆之间传输,其可通过使用电源接点上的调制信号或通过使用独立无线连接。
电源单元壳体11的基座11f也包括锁闭点52,其适于与其所安装在的车辆上的适合的保持和弹出器机构耦合,这在此及后将详细描述。
图6示出根据优选实施例完全安装在自行车或摩托车60中的燃料电池电源单元10的示意性侧视图。电源单元10被定位在位于手把位置61和鞍座位置62之间的凹槽63中。在图6的完全安装位置中,将注意到的是空气入口14被定位在电源单元的前边,并通过自行车或摩托车整流板64在车辆60的前向运动的辅助下接收向其引导来的空气。第二空气入口12被定位在电源单元10的后边,其也可通过整流板64一侧或两侧的适当的导引而具有向其引导来的空气。
燃料加注口16通过其在电源单元上的上部固定位置而可直接接近,所述电源单元安装在凹槽63中。这样,燃料电池可在车辆60中的位置时或从车辆上移出时用氢气或其它燃料进行再次加注。
电源单元10位于形成凹槽63的底部的支撑平台65上。支撑平台铰接在枢轴点66上,并可通过形成弹出器装置的气压撑杆67关于枢轴点66移动。电源单元10通过锁闭点52与支撑平台接合,所述锁闭点耦合至支撑平台65中的锁68。
图7示出从自行车或摩托车60部分弹出的燃料电池电源单元10的相应的示意性侧视图。在该部分弹出位置,气压撑杆67举起支撑平台65,从而其关于枢轴点66顺时针旋转约15-20度,结果燃料电池电源单元部分地从凹槽63脱出。在该情况下电源单元10仍然锁闭在支撑平台65。
图8示出从自行车或摩托车60完全弹出的燃料电池电源单元10的示意性侧视图。在该完全弹出位置,气压撑杆67完全伸出至举起支撑平台65至上部位置,其中,其与自行车或摩托车60的鞍座位置62邻边的支撑轨道80完全对齐。在该完全弹出位置,锁68可从电源单元10上的锁闭点52完全分离(见图9,其示出锁分离),从而电源单元可沿着支撑平台65和支撑轨道80被向后取出。分离锁可在其变得可接近时(见图8)手工进行,或者更加优选地,分离可在当支撑平台达到完全弹出位置时自动发生。
电源单元10可通过使用后边手柄12方便地从图8的完全弹出位置拉回至图9的部分移出位置。在这点上,前边手柄14同样变得可接近,电源单元10可从自行车或摩托车完全提出。
将注意到的是电源单元10从图8的完全弹出位置和图9的部分移出位置的滑动动作也导致电源单元10上的电接点51从自行车或摩托车上相应电接点90分离,所述电接点90与支撑平台65集成在一起。
图10示出燃料电池电源单元10完全移出的自行车或摩托车60。
将理解的是类似的保持和弹出机构可被提供在其它车辆类型中,例如任何两个或多轮运输车。对于较大的车辆,可给几个电源单元提供分别的凹槽63以提高车辆的电源输出和/或范围。优选的所述设计尤其适合提供与车辆快易连接和解开。
在此所述的优选电源单元10的重要方面是它们的与大多数不同车辆类型的连接能力,及其作为其它运输的独立电源的能力。例如,电源单元10可在需要时从车辆移出以为露营活动或家庭电力所需提供电源。电源单元10可设有具有不同电压和/或连接类型(未示出)的分体电源出口,或者可设有拖线插座(可能具有集成至上的电压转换器),其能兼容的与电接点51物理接合。
为了确保电源单元10能被用于大多数车辆类型和大多数不同环境,燃料电池电源单元包括基于微处理器的电力控制电路23,该电路与车辆自身的电源控制器连接。电力控制电路23进行很多与燃料电池正确维护相关的功能,例如确保正确的燃料/氧化剂比率、阳极板和阴极板所需的湿度以及取决于燃料电池温度和其它操作条件的电流输出限制。然而,电力控制电路也与车辆自身的电源控制器相互作用以确定车辆自身的操作条件,从而确保燃料电池的最佳操作条件。
例如,当在起动条件下操作,在需要最大电源之前,燃料电池需要一段时间的预热以确保电极适当地与水化合。这样,通过电力控制电路23,车辆的电源控制器被指令在燃料电池的当前操作条件下可允许的最大功率或加速度。在优选的实施例中,车辆将被提供有辅助电力供给,例如传统的铅-酸电池,其能在当燃料电池暂时不能提供例如加速时所需的电力期间提供峰值需求。电力控制电路23指示车辆的电源控制器在燃料电池的当前操作条件下从燃料电池电源单元10可获得的功率,以使得车辆电源控制器能确定必须从其辅助供给获得的功率的比例(或如果辅助供给不可获得或超过其负载时限制车辆需求)。
类似地,对于瞬间高功率负载例如短暂的加速,车辆电源控制器能确定哪些额外的能量必须从其辅助供给中获得,以确保其保持在燃料电池电源单元的允许限制之内。
这样,在总的方面,电源单元10中的电力控制电路23提供给车辆在给定时间内瞬时或半-瞬时可从燃料电池获得的最大功率显示,也就是,操作的当前允许限制。该当前允许限制在连续基础上变化,其取决于一系列因素,例如(i)电池温度、(ii)可获得的氧化和/或冷却气流、(iii)历史需求以及(iv)燃料电池的任何其它工作需要。例如,在一些燃料电池中,期望执行燃料和氧化气体的常规排放(purge)以维持电源在峰值状态,其由电池电压的变化确定。常规排放能通过接入或切断燃料电池系统中的选定堆而进行,以使得净功率输出只有相对少量的短暂减小。
当车辆电源控制器确定车辆电源需要小于当前燃料电池电源单元的允许操作限制时,其可操作以给车辆的辅助电源(例如铅-酸电池或其它电化学电池类型)充电。
燃料电池在车辆中的定位可根据很多不同设计参数而变化。然而,将注意到的是在带有侧面通风的图6-10中的自行车或摩托车60上的中心固定位置能有利地用于维持骑车者周围更加暖和的空气流。在其它车辆类型中,燃料电池所排出的空气气流可用于空间加热目的。
其它实施例在所述权利要求的范围内。
Claims (17)
1.一种用于车辆的燃料电池电源单元,燃料电池电源单元包括单一壳体,其包含:
储存燃料的燃料箱;
至少一个从液体燃料释放电能的电化学燃料电池堆;
壳体外表面中的燃料加注口;和
通过在至少一个燃料电池堆中的阴极元件,在壳体外表面上的第一入口和壳体外表面上的第一出口之间延伸的气流通路。
2.如权利要求1所述的燃料电池电源单元,其还包括在所述壳体外表面的第二入口,所述第二入口也耦合至气流通路。
3.如权利要求1或2所述的燃料电池电源单元,其中,至少所述入口和/或出口之一包括用于提举所述电源单元的隐藏式手柄。
4.如权利要求3所述的燃料电池电源单元,其中,在所述电源单元的前边上的第一入口和在所述电源单元的后边上的第二入口包括隐藏式手柄。
5.如权利要求4所述的燃料电池电源单元,其中,所述燃料加注口位于电源单元的上表面。
6.如权利要求1所述的燃料电池电源单元,其还包括与车辆上的电源控制器连接的电力控制电路,所述电源单元可被附于车辆上,当所述电源单元耦合至车辆上时,所述控制电路通过电源控制器确定车辆的允许操作条件。
7.如权利要求6所述的燃料电池电源单元,其中,所述确定的操作条件包括最大速度、最大加速度和根据当前条件的最大电力负载的之一或多个。
8.如权利要求1所述的燃料电池电源单元,其还包括所述壳体的下表面上的锁闭点。
9.如权利要求1所述的燃料电池电源单元,其还包括一组在所述壳体下表面中的隐藏式接点。
10.如权利要求1所述的燃料电池电源单元,其还包括至少一个辅助电源出口。
11.一种电动车辆,其包括一可移出地接收根据任何前述权利要求的燃料电池电源的凹槽。
12.如权利要求11所述的车辆,其中,所述凹槽包括用于将所述电源单元提举出凹槽的可锁闭的弹出器机构。
13.如权利要求12所述的车辆,其中,所述可锁闭的弹出器机构包括电源单元的支撑平台,所述平台包括与所述电源单元的壳体的下表面上的锁闭点接合的接合机构。
14.如权利要求11所述的车辆,其中,所述凹槽包括至少一个为从车辆的前部至所述凹槽的气流提供管道的空气导管,所述空气导管定位在与所述电源单元的壳体的外表面上的入口对齐。
15.如权利要求11所述的车辆,根据权利要6,所述车辆包括与燃料电池电源单元中的电力控制电路连接的电源控制器,所述电源控制器基于燃料电池电源单元的电力控制电路所确定的可允许的限度可确定车辆的操作条件。
16.如权利要求11至15之一所述的车辆,其中所述车辆为自行车或摩托车。
17.在此所述的装置,其实质上参照附图。
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SG173237A1 (en) | 2011-08-29 |
ATE482484T1 (de) | 2010-10-15 |
KR20120136405A (ko) | 2012-12-18 |
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BRPI0607105A2 (pt) | 2009-08-04 |
KR101330764B1 (ko) | 2013-11-18 |
GB0501989D0 (en) | 2005-03-09 |
CN100588013C (zh) | 2010-02-03 |
EP1846968A1 (en) | 2007-10-24 |
GB2422717B (en) | 2007-11-14 |
JP4461181B2 (ja) | 2010-05-12 |
JP2008529230A (ja) | 2008-07-31 |
RU2394717C2 (ru) | 2010-07-20 |
GB2422717A (en) | 2006-08-02 |
KR20070100825A (ko) | 2007-10-11 |
ES2371001T3 (es) | 2011-12-26 |
CA2596567A1 (en) | 2006-08-10 |
WO2006082377A1 (en) | 2006-08-10 |
RU2007132919A (ru) | 2009-03-10 |
AR052371A1 (es) | 2007-03-14 |
US20080314660A1 (en) | 2008-12-25 |
MX2007009367A (es) | 2007-09-21 |
EP1846968B1 (en) | 2010-09-22 |
ZA200706352B (en) | 2008-09-25 |
TWI390793B (zh) | 2013-03-21 |
TW200642151A (en) | 2006-12-01 |
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