JP2022176244A5 - - Google Patents

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JP2022176244A5
JP2022176244A5 JP2022150295A JP2022150295A JP2022176244A5 JP 2022176244 A5 JP2022176244 A5 JP 2022176244A5 JP 2022150295 A JP2022150295 A JP 2022150295A JP 2022150295 A JP2022150295 A JP 2022150295A JP 2022176244 A5 JP2022176244 A5 JP 2022176244A5
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Prior art keywords
valve
compressor
compressed air
passage
desiccant
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JP2022150295A
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Japanese (ja)
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JP7343673B2 (en
JP2022176244A (en
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Priority claimed from JP2018110642A external-priority patent/JP7148286B2/en
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Priority to JP2022150295A priority Critical patent/JP7343673B2/en
Publication of JP2022176244A publication Critical patent/JP2022176244A/en
Publication of JP2022176244A5 publication Critical patent/JP2022176244A5/ja
Priority to JP2023141404A priority patent/JP2023165731A/en
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Publication of JP7343673B2 publication Critical patent/JP7343673B2/en
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Claims (7)

圧縮空気を送出する負荷運転と前記圧縮空気を送出しない空運転とを切り替えることが可能なコンプレッサと、
前記コンプレッサの送出した前記圧縮空気から水分を除去する乾燥剤と、
前記コンプレッサと前記乾燥剤とを前記圧縮空気の流通可能に接続する接続通路と、
前記乾燥剤から前記コンプレッサとは反対方向に出力される空気の流れを許容するチェックバルブと、
前記チェックバルブを通過した前記圧縮空気の湿度を測定する湿度測定部と、
前記コンプレッサの前記負荷運転と前記空運転とを切り替えさせる弁と、
前記接続通路の分岐通路に接続されたドレン排出弁と、
前記チェックバルブに並列なバイパス通路の途中に設けられた再生制御弁であって、閉弁により前記バイパス通路を封止し、開弁により前記バイパス通路を連通させる前記再生制御弁と、を備え、
前記コンプレッサが非稼働状態であるとき、前記再生制御弁を開弁させるとともに、前記ドレン排出弁を閉弁させるコンプレッサアシスト動作を行う
空気供給システム。 a compressor capable of switching between a load operation in which compressed air is delivered and an idle operation in which the compressed air is not delivered;
a desiccant for removing moisture from the compressed air delivered by the compressor;
a connection passage that connects the compressor and the desiccant so that the compressed air can flow;
a check valve allowing air flow out of the desiccant in a direction opposite to the compressor;
a humidity measuring unit that measures the humidity of the compressed air that has passed through the check valve;
a valve for switching between the load operation and the idle operation of the compressor;
a drain discharge valve connected to the branch passage of the connection passage;
A regeneration control valve provided in the middle of a bypass passage parallel to the check valve, wherein the regeneration control valve seals the bypass passage when closed and communicates the bypass passage when opened ,
When the compressor is in a non-operating state, a compressor assist operation is performed to open the regeneration control valve and close the drain discharge valve.
air supply system. 圧縮空気を送出する負荷運転と前記圧縮空気を送出しない空運転とを切り替えることが可能なコンプレッサと、
前記コンプレッサの送出した前記圧縮空気から水分を除去する乾燥剤と、
前記コンプレッサと前記乾燥剤とを前記圧縮空気の流通可能に接続する接続通路と、
前記乾燥剤から前記コンプレッサとは反対方向に出力される空気の流れを許容するチェックバルブと、
前記チェックバルブを通過した前記圧縮空気の湿度を測定する湿度測定部と、
前記コンプレッサの前記負荷運転と前記空運転とを切り替えさせる第１の電磁弁であって、駆動されることで前記コンプレッサを前記空運転に切り替えさせる一方、非駆動であることにより前記コンプレッサを前記負荷運転に切り替えさせる前記第１の電磁弁と、
前記接続通路の分岐通路に接続されたドレン排出弁であって、第２の電磁弁の駆動／非駆動に応じて前記分岐通路を封止又は連通させる前記ドレン排出弁と、
前記第１の電磁弁の駆動／非駆動を切り替えること、及び、前記第２の電磁弁の駆動／非駆動を切り替えることができる制御装置と、
前記チェックバルブに並列なバイパス通路の途中に設けられた再生制御弁であって、閉弁により前記バイパス通路を封止し、開弁により前記バイパス通路を連通させる前記再生制御弁と、を備え、
前記制御装置は、前記第１の電磁弁を駆動して前記コンプレッサが非稼働状態であるとき、前記再生制御弁を開弁させるとともに、前記第２の電磁弁を非駆動として前記ドレン排出弁を閉弁させるコンプレッサアシスト動作を行う
空気供給システム。 a compressor capable of switching between a load operation in which compressed air is delivered and an idle operation in which the compressed air is not delivered;
a desiccant for removing moisture from the compressed air delivered by the compressor;
a connection passage that connects the compressor and the desiccant so that the compressed air can flow;
a check valve allowing air flow out of the desiccant in a direction opposite to the compressor;
a humidity measuring unit that measures the humidity of the compressed air that has passed through the check valve;
A first solenoid valve for switching between the load operation and the idle operation of the compressor, the first solenoid valve being driven to switch the compressor to the idle operation, and being non-driven to switch the compressor to the load. the first solenoid valve for switching to operation;
a drain discharge valve connected to a branch passage of the connection passage, wherein the drain discharge valve seals or opens the branch passage according to driving/non-driving of the second electromagnetic valve;
a control device capable of switching driving/non-driving of the first electromagnetic valve and switching driving/non-driving of the second electromagnetic valve ;
A regeneration control valve provided in the middle of a bypass passage parallel to the check valve, wherein the regeneration control valve seals the bypass passage when closed and communicates the bypass passage when opened ,
The control device drives the first electromagnetic valve to open the regeneration control valve when the compressor is in a non-operating state, and deactivates the second electromagnetic valve to open the drain discharge valve. Perform compressor assist operation to close the valve
air supply system. 前記制御装置は、前記接続通路の空気圧が低圧閾値よりも低い場合には、前記コンプレッサアシスト動作を行う The control device performs the compressor assist operation when the air pressure in the connecting passage is lower than a low pressure threshold.
請求項２に記載の空気供給システム。 3. An air supply system according to claim 2. 前記制御装置は、前記コンプレッサアシスト動作の後、前記再生制御弁及び前記第２の電磁弁をそれぞれ閉弁させるとともに、前記第１の電磁弁を開弁させるパージ無しのコンプレッサ停止動作を行う After the compressor assist operation, the control device closes the regeneration control valve and the second electromagnetic valve, and performs a compressor stop operation without purging to open the first electromagnetic valve.
請求項２又は３に記載の空気供給システム。 4. An air supply system according to claim 2 or 3. 前記制御装置は、前記再生制御弁、前記第２の電磁弁、及び前記第１の電磁弁をそれぞれ開弁させて、前記乾燥剤に圧縮空気を逆流させる再生動作を行った後、前記コンプレッサアシスト動作を行う The control device opens the regeneration control valve, the second solenoid valve, and the first solenoid valve, respectively, to perform a regeneration operation in which compressed air flows back to the desiccant, and then the compressor assist. do the action
請求項２～４のいずれか一項に記載の空気供給システム。 The air supply system according to any one of claims 2-4. 前記第１の電磁弁と前記第２の電磁弁とは、非駆動で接続先を大気開放する The first solenoid valve and the second solenoid valve are non-driven and open the connection destination to the atmosphere.
請求項２～４のいずれか一項に記載の空気供給システム。 The air supply system according to any one of claims 2-4. 前記ドレン排出弁は、前記第２の電磁弁を非駆動とすることで前記分岐通路を大気開放する The drain discharge valve opens the branch passage to the atmosphere by deactivating the second solenoid valve.
請求項２～６のいずれか一項に記載の空気供給システム。 An air supply system according to any one of claims 2-6.
JP2022150295A 2018-06-08 2022-09-21 air supply system Active JP7343673B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022150295A JP7343673B2 (en) 2018-06-08 2022-09-21 air supply system
JP2023141404A JP2023165731A (en) 2018-06-08 2023-08-31 Control method of air supply system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018110642A JP7148286B2 (en) 2018-06-08 2018-06-08 air supply system
JP2022150295A JP7343673B2 (en) 2018-06-08 2022-09-21 air supply system

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JP2018110642A Division JP7148286B2 (en) 2018-06-08 2018-06-08 air supply system

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JP2023141404A Division JP2023165731A (en) 2018-06-08 2023-08-31 Control method of air supply system

Publications (3)

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JP2022176244A JP2022176244A (en) 2022-11-25
JP2022176244A5 true JP2022176244A5 (en) 2023-01-06
JP7343673B2 JP7343673B2 (en) 2023-09-12

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JP2023141404A Pending JP2023165731A (en) 2018-06-08 2023-08-31 Control method of air supply system

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Publication number Priority date Publication date Assignee Title
JP7148286B2 (en) * 2018-06-08 2022-10-05 ナブテスコオートモーティブ株式会社 air supply system
CN114497640B (en) * 2021-12-25 2023-09-19 安徽明天氢能科技股份有限公司 Dehumidifying structure of fuel cell system box

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5592754A (en) * 1996-06-07 1997-01-14 Alliedsignal Truck Brake Systems Co. Electronic control of compressor unloader and air dryer purge
DE102005057004B3 (en) 2005-11-30 2007-04-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Compressed air preparation device for brake force adjusting system of commercial vehicle, has excited first solenoid controlled valve, with which pressure essentially remains in a line between compressor and stop valve
JP5762754B2 (en) 2011-01-05 2015-08-12 ナブテスコオートモーティブ株式会社 Compressed air supply device for vehicles
EP2641648B1 (en) 2010-11-15 2019-08-21 Nabtesco Automotive Corporation Silencer, exhaust valve, valve device, air dryer, compressed air supply device for vehicle, and compressed air supply system
DE112015002184T5 (en) 2014-05-09 2017-02-02 Nabtesco Automotive Corporation Compressed air drying apparatus, method for controlling a compressed air drying apparatus, and vehicle
GB201513659D0 (en) 2015-08-03 2015-09-16 Agco Int Gmbh Regeneration of an air dryer on a vehicle
JP6767125B2 (en) 2016-02-17 2020-10-14 ナブテスコオートモーティブ株式会社 Air supply system
JP7148286B2 (en) 2018-06-08 2022-10-05 ナブテスコオートモーティブ株式会社 air supply system

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