JPWO2020100996A1 - 酸素濃縮装置、制御方法及び制御プログラム - Google Patents
酸素濃縮装置、制御方法及び制御プログラム Download PDFInfo
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 239000001301 oxygen Substances 0.000 title claims abstract description 200
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 200
- 238000000034 method Methods 0.000 title claims abstract description 89
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 150
- 229910001882 dioxygen Inorganic materials 0.000 claims abstract description 150
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 76
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
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Abstract
Description
図1は、実施形態に係る酸素濃縮装置の機能ブロック図である。
図2は、制御部30のブロック図である。
図3は、操作部40の構成要素の1つである操作パネルの一例を示す図である。図3(a)は患者用の操作パネルの状態を示す図であり、図3(b)は、医療従事者等による特殊な操作のための操作パネルの状態を示す図である。
図4は、制御処理部32により実行される始動制御処理の一例を示すフローチャートである。図4に示す始動制御処理は、予め制御記憶部31に記憶されている始動制御プログラムに基づいて、主に制御処理部32により酸素濃縮装置1の各要素と協働して実行される。
図4では、始動期間の計測判定により、始動供給量から設定供給量に、始動流量から設定流量に変更するフローを示したが、始動期間を制御するプログラムであれば変更することができる。例えば、酸素濃縮装置1の起動から濃度センサ23における出力値を装置内部で監視し、酸素濃度が始動時酸素濃度に到達した時点で始動期間を終了させるように変更することもできる。
11 空気取入フィルタ
12 加圧空気供給部
13 切換部
14、15 吸着筒
16、17 逆止弁
18 酸素ガスタンク
19 調圧弁
20 流量調整部
21 出口フィルタ
22 加湿器
23 濃度センサ
24 流量センサ
30 制御部
31 制御記憶部
32 制御処理部
40 操作部
Claims (7)
- 加圧空気を供給する加圧空気供給部と、
前記加圧空気供給部から加圧空気が供給され、供給された加圧空気中の窒素を吸着することで、加圧空気中の酸素を濃縮して酸素ガスを生成する吸着筒と、
前記吸着筒によって生成された酸素ガスを貯留する酸素ガスタンクと、
前記酸素ガスタンクから外部に出力される前記酸素ガスの流量である酸素ガス流量を調整する流量調整部と、
前記酸素ガス流量が設定流量になるように前記流量調整部を制御し、前記加圧空気が前記設定流量に応じた供給量となるように前記加圧空気供給部を制御する制御部と、を有する酸素濃縮装置であって、
前記制御部は、前記酸素濃縮装置の始動期間に限っては、前記酸素ガス流量が前記各設定流量以上の始動流量となるように前記流量調整部を制御し、且つ、前記加圧空気が前記各設定流量に応じた供給量である設定供給量以上の始動供給量となるように前記加圧空気供給部を制御する、ことを特徴とする酸素濃縮装置。 - 前記始動供給量は前記加圧空気供給部の最大設定流量に応じた供給量であり、前記始動流量は前記流量調整部の最大設定流量である、請求項1に記載の酸素濃縮装置。
- 前記始動供給量は前記加圧空気供給部が供給可能な最大供給量であり、前記始動流量は前記流量調整部が供給可能な最大流量である、請求項1又は2に記載の酸素濃縮装置。
- 所定の始動期間が経過したか否か、又は、所定の酸素濃度に到達したか否かにより、始動処理終了の判定を行う始動処理終了判定部を更に有する、請求項1〜3のいずれか1項に記載の酸素濃縮装置。
- 前記吸着筒と前記酸素ガスタンクとの間に接続された逆止弁を更に有する、請求項1〜4のいずれか1項に記載の酸素濃縮装置。
- 酸素ガス流量が設定流量になるように制御される酸素濃縮装置の制御方法であって、
酸素ガスを生成する酸素ガス生成処理が開始されることを示す処理開始信号を取得し、
前記設定流量に応じた供給量である設定供給量以上の始動供給量を供給することを示す始動供給量供給信号を加圧空気供給部に出力すると共に、前記設定流量以上の始動流量を出力することを示す始動流量出力信号を流量調整部に出力し、
所定の始動期間が経過したか否か、又は、所定の酸素濃度に到達したか否かにより、始動処理の終了を判定し、
前記始動処理が終了したと判定されたときに、設定供給量を供給することを示す設定供給量供給信号を前記加圧空気供給部に出力すると共に、前記設定流量を出力することを示す設定流量出力信号を前記流量調整部に出力する、
ことを含む酸素濃縮装置の制御方法。 - 出力する酸素ガスの流量が設定流量になるように制御される酸素濃縮装置の制御プログラムであって、
酸素ガスを生成する酸素ガス生成処理が開始されることを示す処理開始信号を取得し、
前記設定流量に応じた供給量である設定供給量以上の始動供給量を供給することを示す始動供給量供給信号を加圧空気供給部に出力すると共に、前記設定流量以上の始動流量を出力することを示す始動流量出力信号を流量調整部に出力し、
所定の始動期間が経過したか否か、又は、所定の酸素濃度に到達したか否かにより、始動処理の終了を判定し、
前記始動処理が終了したと判定されたときに、前記設定供給量を供給することを示す設定供給量供給信号を前記加圧空気供給部に出力すると共に、前記設定流量を出力することを示す設定流量出力信号を前記流量調整部に出力する、
ことを含む処理を、プロセッサに実行させる制御プログラム。
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