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    • 35. 发明授权
    • Remaining gas amount calculating device
    • 剩余气体量计算装置
    • US07885783B2
    • 2011-02-08
    • US12142877
    • 2008-06-20
    • Atsushi Kurosawa
    • Atsushi Kurosawa
    • G01L7/00
    • F17C13/025F17C2201/0109F17C2201/035F17C2201/056F17C2205/0323F17C2205/0338F17C2205/0382F17C2221/012F17C2223/0123F17C2223/035F17C2227/0157F17C2250/032F17C2250/043F17C2250/0439F17C2250/0443F17C2250/0621F17C2250/0694F17C2265/04F17C2270/0168F17C2270/0184Y02E60/321Y02P90/45
    • A remaining gas amount calculating device includes a hydrogen tank, an opening/closing valve arranged to deliver hydrogen gas from inside the hydrogen tank, a decompression valve arranged to decompress hydrogen gas delivered from the hydrogen tank, a pressure sensor arranged to measure the pressure of hydrogen gas decompressed with the decompression valve, and a power source system controller arranged to determine the remaining gas amount in the hydrogen tank by calculating the gas pressure in the hydrogen tank based on the hydrogen gas pressure measured with the pressure sensor. The relationship between pressures in a primary chamber and a secondary chamber of the decompression valve is monotonical such that when the pressure in the primary chamber increases, the pressure in the secondary chamber also increases; and when the pressure in the primary chamber decreases, the pressure in the secondary chamber also decreases. The remaining gas amount calculating device makes it possible to calculate the amount of gas remaining in a gas container without using a gas pressure measuring device that measures directly the pressure in the gas container.
    • 剩余气体量计算装置包括氢罐,设置用于从氢罐内部输送氢气的开/关阀,设置成对从氢罐输送的氢气进行减压的减压阀,布置成测量压力的压力传感器 用减压阀减压的氢气;以及电源系统控制器,其布置成基于用压力传感器测量的氢气压力来计算氢气罐中的气体压力来确定氢气罐中的剩余气体量。 减压阀的主室和次室中的压力之间的关系是单调的,使得当初级室中的压力增加时,次级室中的压力也增加; 并且当初级室中的压力降低时,次级室中的压力也降低。 剩余气体量计算装置可以不使用直接测量气体容器中的压力的​​气体压力测量装置来计算气体容器中剩余的气体量。