JP2023098629A - ガス充填方法 - Google Patents
ガス充填方法 Download PDFInfo
- Publication number
- JP2023098629A JP2023098629A JP2022190308A JP2022190308A JP2023098629A JP 2023098629 A JP2023098629 A JP 2023098629A JP 2022190308 A JP2022190308 A JP 2022190308A JP 2022190308 A JP2022190308 A JP 2022190308A JP 2023098629 A JP2023098629 A JP 2023098629A
- Authority
- JP
- Japan
- Prior art keywords
- filling
- gas
- value
- pipe
- pressure loss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 239000001257 hydrogen Substances 0.000 description 87
- 229910052739 hydrogen Inorganic materials 0.000 description 87
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- 238000005429 filling process Methods 0.000 description 2
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Images
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
[数式(1-1)]
[数式(1-2)]
[数式1-3]
[数式1]
[数式2]
[数式3]
[数式4]
[数式5]
[数式1A]
[数式6]
[数式7]
M:車両(移動体)
8:ステーションECU
9:水素ステーション
31:水素タンク(タンク)
71:流量センサ
72:ステーション温度センサ(ガス温度センサ)(配管温度センサ)
73:ステーション圧力センサ(圧力センサ)
74:大気温度センサ
75:熱交換器温度センサ
81:質量平均温度算出部
82:圧力損失係数算出部
83:有効熱質量算出部
84:目標昇圧率設定部
841:マップ選択部
842:昇圧率算出部
85:目標充填圧算出部
86:フィードバック制御器
87:充填完成判断部
91:蓄圧器(供給源)
93:ステーション配管(配管)
94:遮断弁
95:流量制御弁(制御弁)
96:プレクーラ
Claims (7)
- 圧縮されたガスを貯蓄する供給源と、
前記供給源と移動体に搭載されたタンクとを接続する配管と、前記配管に設けられた制御弁、圧力センサ、ガス温度センサ及び流量センサと、
所定の充填条件の下で前記制御弁を操作し前記配管を流れるガスの流量を制御する制御装置と、を備えるガス充填システムによって、前記供給源から前記タンクにガスを充填するガス充填方法であって、
充填を開始する前に、前記配管の熱容量及び前記ガス温度センサの検出値を用いることにより、前記配管で生じる仮圧力損失と相関のある有効熱質量の値を算出する有効熱質量算出工程と、
ガスの充填を開始した後、前記配管内におけるガスの流量が変化した際における前記圧力センサの検出値を用いることにより、前記配管で生じる圧力損失と相関のある圧力損失パラメータの値を算出する圧力損失パラメータ算出工程と、
前記充填条件を前記圧力損失パラメータの値に基づいて定められる条件に変更してガスの充填を継続する充填条件変更工程と、を備えることを特徴とするガス充填方法。 - 前記制御装置は、予め定められた複数の充填制御マップから選択した充填制御マップによって規定される充填条件の下で、前記制御弁を操作し、
さらに、前記充填条件変更工程では、前記制御装置が選択した充填制御マップを、前記複数の充填制御マップのうち前記圧力損失パラメータの値に基づいて定められるマップに切り替えることを特徴とする、請求項1に記載のガス充填方法。 - 前記制御装置は、予め定められた複数の充填制御マップから選択した充填制御マップによって規定される充填条件の下で、前記制御弁を操作し、
さらに、前記充填条件変更工程では、前記制御装置が選択した充填制御マップを、前記複数の充填制御マップのうち前記配管で生じる仮圧力損失と相関のある前記熱質量の値に基づいて定められるマップに切り替えることを特徴とする、請求項1に記載のガス充填方法。 - 前記圧力損失パラメータ算出工程では、前記配管内におけるガスの流量が0より大きな流量から0又は0付近まで減少した際における前記圧力センサの検出値を用いることにより前記圧力損失パラメータの値を算出することを特徴とする、請求項1から6の何れかに記載のガス充填方法。
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