CN117091073A - 高压气体储藏系统 - Google Patents
高压气体储藏系统 Download PDFInfo
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- CN117091073A CN117091073A CN202310174607.0A CN202310174607A CN117091073A CN 117091073 A CN117091073 A CN 117091073A CN 202310174607 A CN202310174607 A CN 202310174607A CN 117091073 A CN117091073 A CN 117091073A
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- 239000007789 gas Substances 0.000 description 84
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 52
- 239000001257 hydrogen Substances 0.000 description 13
- 229910052739 hydrogen Inorganic materials 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C13/00—Details of vessels or of the filling or discharging of vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
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- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
本发明涉及高压气体储藏系统,储藏被从气体填充装置填充的高压气体,具备:多个罐,容积相互相同;和共用气体填充路,将上述多个罐相互并联连接,供向上述多个罐供给的上述高压气体流动,至少包括上述多个罐中的、距在上述共用气体填充路中供上述高压气体流入的流入口最近的罐在内在比上述多个罐的总数少的个数的罐设置有测定上述罐内的温度的温度传感器。
Description
技术领域
本公开涉及高压气体储藏系统。
背景技术
存在在燃料电池车辆搭载多个储藏氢气等高压气体的罐的情况。从气站向这样的罐填充高压气体。此时,公知有一种如下所述的高压气体填充方法:通过预先设置于各罐的传感器来测定被填充至各罐内的气体的温度,另外,在气站侧对所供给的气体的压力进行测定,根据这些测定值来判定向各罐的高压气体的填充是否完成(日本特开2017-53458)。
然而,若对全部的罐设置传感器,则存在高压气体储藏系统的制造成本增大这一问题。
发明内容
本公开能够作为以下的方式而实现。
(1)根据本公开的一个方式,提供一种高压气体储藏系统。该高压气体储藏系统是对从气体填充装置填充的高压气体进行储藏的高压气体储藏系统,具备:多个罐,容积相互相同;和共用气体填充路,将上述多个罐相互并联连接,并供向上述多个罐供给的上述高压气体流动,至少包括上述多个罐中的、距在上述共用气体填充路中供上述高压气体流入的流入口最近的罐在内在比上述多个罐的总数少的个数的罐设置有测定上述罐内的温度的温度传感器。
根据该方式的高压气体储藏系统,由于具备比所搭载的多个罐的总数少的数量的温度传感器,所以与在全部的罐都设置有温度传感器的结构相比,能够抑制高压气体储藏系统的制造成本的增大。除此之外,由于至少在距流入口最近、高压气体的密度最高的罐设置有温度传感器,所以通过监视由该温度传感器测定的温度,能够抑制高压气体的填充率高于预先决定的填充率。
(2)在上述实施方式中,上述多个罐可以被并列配置为各自的中心轴相互平行。
根据该方式的高压气体储藏系统,通过将多个罐并列配置为各自的中心轴相互平行,能够减小罐的配置所需的空间,能够抑制高压气体储藏系统的配置自由度的降低。
(3)在上述实施方式中,可以仅在上述多个罐中的距上述流入口最近的罐设置有上述温度传感器。
根据该方式的高压气体储藏系统,由于仅距流入口最近的罐具备温度传感器,所以能够进一步抑制高压气体储藏系统的制造成本的增大。
(4)在上述实施方式中,可以在上述多个罐中的距上述流入口最远的罐设置有上述温度传感器。
根据该方式的高压气体储藏系统,由于在距流入口最远且高压气体的温度最高的罐设置有温度传感器,所以通过监视由该温度传感器测定的温度,能够抑制高压气体的温度过度变高。
(5)在上述实施方式中,在上述流入口连接上述气体填充装置所具有的填充喷嘴,高压气体储藏系统可以还具备用于将表示由上述温度传感器测定出的温度的信息向上述气体填充装置通知的通信装置。
根据该方式的高压气体储藏系统,在由温度传感器测定出的温度过度变高的情况下,能够将该温度信息向气体填充装置通知。由于气体填充装置能够利用接受到的温度信息来进行高压气体的供给量的控制以及供给停止,所以能够抑制高压气体储藏系统的安全性的降低。
附图说明
以下,参照附图对本发明的示例性实施例的特征、优点、技术及工业重要性进行说明,在附图中相同的附图标记表示相同的构成要素,其中:
图1是表示第1实施方式的高压气体储藏系统的结构的说明图。
图2是表示罐内的温度传感器的设置位置的剖视图。
图3是表示第2实施方式的高压气体储藏系统的结构的说明图。
图4是表示其他实施方式的高压气体储藏系统的结构的说明图。
具体实施方式
A.第1实施方式:
图1是表示第1实施方式的高压气体储藏系统10的简要结构的说明图。本实施方式的高压气体储藏系统10是对从氢站20供给的氢气进行储藏的系统。高压气体储藏系统10例如被搭载于以燃料电池为驱动源的燃料电池车辆,供给所储藏的氢气作为燃料电池的燃料气体。其中,氢站20相当于本公开中的“气体填充装置”。
氢站20具备储藏罐210、压缩机220、输出阀230、预冷却器240、填充喷嘴250、接收器260以及站控制器270。
储藏罐210储藏有用于向高压气体储藏系统10供给的氢气。压缩机220压缩被储存于储藏罐210的氢气,调整氢气的升压速度。输出阀230通过使阀的开闭度变化来进行从压缩机220输出的氢气的输出、截断,进行氢气的输出量的调整以及输出停止。为了抑制向高压气体储藏系统10供给氢气时的氢气的过度的温度上升,预冷却器240将氢气冷却至冰点下。由预冷却器240冷却过的氢气通过填充喷嘴250向高压气体储藏系统10供给。另外,在将预冷却器240与填充喷嘴250连接的配管设置有测定被输出的氢气的压力的压力传感器P。由压力传感器P取得的压力信息被向站控制器270发送。
站控制器270控制压缩机220以及输出阀230以便成为不超过由SAE标准规定的温度(85℃)以及填充率(100%)的升压速度以及输出量。另外,除了上述的压力信息之外,站控制器270还经由接收器260取得后述的从高压气体储藏系统10送来的温度信息。站控制器270利用这些取得的信息来计算高压气体储藏系统10中的氢的填充率。在填充率达到了预先设定的值的情况下,站控制器270控制输出阀230来停止氢气的输出。
高压气体储藏系统10具备加注口(receptacle)110、歧管120、罐131~140、通信填充ECU150以及发射器160。
加注口110与填充喷嘴250连接,使从填充喷嘴250供给的氢气向高压气体储藏系统10流入。加注口110与歧管120所具有的流入口121连接,使氢气从加注口110向歧管120流入。
歧管120在内部具有共用气体填充路122。共用气体填充路122的一端部与流入口121连接,从流入口121流入的氢气在共用气体填充路122内流动。共用气体填充路122的另一端部分支为多个,在分支出的各端部,共用气体填充路122与罐131~140连接。这样,罐131~140经由加注口110和歧管120来与氢站20连接,被供给氢气。
罐131~140被配置为各罐131~140和共用气体填充路122的连接部J1~J10与流入口121的距离从罐131起依次变远。另外,各罐131~140被并列配置为各自的中心轴相互平行。
分别以遵照由SAEJ2601规定的标准的方式制造了罐131~140。在本实施方式中,罐131~140分别具有直径100mm、长度1800mm的相同外形形状,其容积相互相同。由于将这样的形状的罐131~140并列配置而得的高压气体储藏系统10的外形形状与一般搭载于电动汽车的蓄电池为相同程度的大小,所以可抑制高压气体储藏系统10的配置自由度的降低。由此,能够将以往为了燃料电池汽车专用而设计的车身形状设计为可与电动汽车共用。
在本实施方式中,仅罐131~140中的最靠近流入口121的罐131具备温度传感器T1。图2是表示罐131内的温度传感器T1的设置位置的剖视图。在本实施方式中,如图2所示,温度传感器T1在罐131的内部被设置在与连接部J1对置的端部。
温度传感器T1测定罐131内的温度。温度传感器T1将测定出的罐131内的温度信息发送至通信填充ECU150。通信填充ECU150将接收到的温度信息经由发射器160向氢站20发送。另外,在温度传感器T1检测到过度的温度上升的情况下,通信填充ECU150可以向氢站20发出请求氢气的供给停止的中止信号。在本实施方式中,发射器160与上述的接收器260构成为红外线通信装置。此外,发射器160与接收器260并不限定于此,例如可以构成为相互通过信号线连接的通信装置。
在本实施方式中,由于罐131距流入口121最近,所以向罐131流入的氢气的流速比向其他罐132~140流入的氢气快。由于流速越快则压损越大,所以氢气向罐131的填充压力比向其他罐132~140供给的氢气的填充压力小。氢气因在向罐供给时被隔热压缩而气体温度上升。由于填充压力越小则因隔热压缩引起的温度上升的程度越小,所以向罐131供给的氢气的温度比向其他罐132~140供给的氢气的温度低。因此,向罐131供给的氢气的密度比向其他罐132~140供给的氢气的密度高。因而,若罐131中的氢气的填充率未超过规定的填充率,则可以说在其他罐132~140中也未超过规定的填充率。因此,通过至少在罐131设置温度传感器T1来监视温度,能够在高压气体储藏系统10整体中抑制氢气的填充率高于预先决定的填充率。
根据以上说明的高压气体储藏系统10,由于仅罐131具备温度传感器T1,所以与在全部的罐131~140设置有温度传感器的结构相比,能够抑制高压气体储藏系统10的制造成本的增大。除此之外,由于在距流入口121最近且氢气的密度最高的罐131设置有温度传感器T1,所以通过监视由温度传感器T1测定的温度,能够抑制氢气的填充率高于预先决定的填充率。
另外,通过将罐131~140并列配置为各自的中心轴相互平行,能够减小罐131~140的配置所需的空间,能够抑制高压气体储藏系统10的配置自由度降低。
另外,由于高压气体储藏系统10具备发射器160,所以在由温度传感器T1测定出的温度过度变高的情况下,能够将上述温度信息向氢站20通知。由于氢站20能够利用接受到的温度信息来执行氢气的供给量的控制、供给停止,所以能够抑制高压气体储藏系统10的安全性的降低。
B.第2实施方式
图3是表示第2实施方式的高压气体储藏系统10A的简要结构的说明图。如图3所示,第2实施方式的高压气体储藏系统10A与第1实施方式的高压气体储藏系统10的不同点在于:除了具备设置于罐131的温度传感器T1之外还在罐140具备温度传感器T2。其中,由于第2实施方式的高压气体储藏系统10A的其他结构与第1实施方式的高压气体储藏系统10相同,所以对相同的结构标注相同的附图标记,省略其详细的说明。
与图2所示的罐131内的温度传感器T1的设置位置同样,温度传感器T2在罐140的内部被配置在与连接部J10对置的端部。温度传感器T2测定罐140内的温度。由温度传感器T2测定出的温度信息与由温度传感器T1测定出的温度信息同样,经由通信填充ECU150以及发射器160向氢站20发送。
如图3所示,由于罐140距流入口121最远,所以向罐140流入的氢气的流速比向其他罐131~139流入的氢气慢。因此,压损变小,向罐140的氢气的填充压力比向其他罐131~139供给的氢气的填充压力大。由于填充压力越大则因隔热压缩引起的温度上升的程度越大,所以向罐140供给的氢气的温度比向其他罐131~139供给的氢气的温度高。因此,若罐140内的温度未超过规定的温度,则可以说其他罐131~139内的温度也未超过规定的温度。因此,通过在罐140设置温度传感器T2来监视温度,能够在高压气体储藏系统10A整体中抑制氢气的温度过度变高。
根据以上说明的第2实施方式的高压气体储藏系统10A,起到与第1实施方式的高压气体储藏系统10同样的效果。除此之外,由于在距流入口121最远且氢气的温度最高的罐140设置有温度传感器T2,所以能够通过监视由温度传感器T2测定的温度来抑制氢气的温度过度变高。
C.其他实施方式
(C1)在上述第1实施方式中,高压气体储藏系统10仅具备1个温度传感器,但本公开并不限定于此。在高压气体储藏系统10中,可以至少包括罐131在内在比罐131~140的总数少的任意个数的罐设置温度传感器。在该方式中,与在全部的罐131~140设置温度传感器的情况相比,也能够抑制高压气体储藏系统10的制造成本的增大。
(C2)在上述实施方式中,罐131~140被并列配置为从流入口121到与共用气体填充路122的连接部J1~J10为止的距离从罐131起依次变远,但本公开并不限定于此。图4是表示其他实施方式的高压气体储藏系统10B的简要结构的说明图。如图4所示,在高压气体储藏系统10B中,罐131~140可以相对于流入口121B对称地配置。在该结构中,通过也在距流入口121B最近的罐135和罐136的至少任一个罐设置温度传感器T1,由此起到与第1实施方式的高压气体储藏系统10同样的效果。在图4所示的例子中,罐136具备温度传感器T1。另外,通过在距流入口121B最远的罐131和罐140的至少任一个罐设置温度传感器T2,由此起到与第2实施方式的高压气体储藏系统10A同样的效果。在图4所示的例子中,罐131具备温度传感器T2。
本公开并不局限于上述的实施方式,在不脱离其主旨的范围内能够以各种结构来实现。例如,为了解决上述课题的一部分或者全部或者为了实现上述效果的一部分或者全部,与发明内容栏所记载的各方式中的技术特征对应的实施方式中的技术特征能够适当地进行替换、组合。另外,该技术特征在本说明书中只要未被说明成是必须的,就能够适当地删除。
Claims (5)
1.一种高压气体储藏系统,储藏被从气体填充装置填充的高压气体,其中,具备:
多个罐,容积相互相同;和
共用气体填充路,将所述多个罐相互并联连接,供向所述多个罐供给的所述高压气体流动,
至少包括所述多个罐中的、距在所述共用气体填充路中供所述高压气体流入的流入口最近的罐在内在比所述多个罐的总数少的个数的罐设置有测定所述罐内的温度的温度传感器。
2.根据权利要求1所述的高压气体储藏系统,其中,
所述多个罐被并列配置为各自的中心轴相互平行。
3.根据权利要求1或2所述的高压气体储藏系统,其中,
仅在所述多个罐中的距所述流入口最近的罐设置有所述温度传感器。
4.根据权利要求1或2所述的高压气体储藏系统,其中,
在所述多个罐中的距所述流入口最远的罐设置有所述温度传感器。
5.根据权利要求1或2所述的高压气体储藏系统,其中,
在所述流入口连接所述气体填充装置所具有的填充喷嘴,
所述高压气体储藏系统还具备用于将表示由所述温度传感器测定出的温度的信息向所述气体填充装置通知的通信装置。
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