JP5242659B2 - 遮断弁制御システム - Google Patents
遮断弁制御システム Download PDFInfo
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- JP5242659B2 JP5242659B2 JP2010243284A JP2010243284A JP5242659B2 JP 5242659 B2 JP5242659 B2 JP 5242659B2 JP 2010243284 A JP2010243284 A JP 2010243284A JP 2010243284 A JP2010243284 A JP 2010243284A JP 5242659 B2 JP5242659 B2 JP 5242659B2
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 32
- 230000005856 abnormality Effects 0.000 claims description 28
- 238000012360 testing method Methods 0.000 abstract description 26
- 238000003745 diagnosis Methods 0.000 abstract description 11
- 238000006073 displacement reaction Methods 0.000 description 60
- 238000001514 detection method Methods 0.000 description 17
- 230000008859 change Effects 0.000 description 15
- 238000005259 measurement Methods 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 238000012856 packing Methods 0.000 description 8
- 238000012790 confirmation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 101000892301 Phomopsis amygdali Geranylgeranyl diphosphate synthase Proteins 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 230000012447 hatching Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/3057—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7053—Double-acting output members
- F15B2211/7054—Having equal piston areas
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7761—Electrically actuated valve
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8225—Position or extent of motion indicator
- Y10T137/8242—Electrical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Details Of Valves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Magnetically Actuated Valves (AREA)
Description
ただし、m:エアーシリンダー3のピストン質量、C:エアーシリンダー3の始動抵抗、x:エアーシリンダー3の変位、x′:エアーシリンダー3の速度、x′′:エアーシリンダー3の加速度、P:エアーシリンダー3のシリンダー内圧、Ac:エアーシリンダー3のシリンダー受圧面積である。
ただし、R:空気のガス定数、θa:エアーシリンダー3のシリンダー内壁温度(シリンダー外周の周囲温度と同一とする)、Vc:エアーシリンダー3のシリンダー体積、G:空気の質量流量、W:空気のガス質量、θc:エアーシリンダー3のシリンダー内空気温度である。なお、θaは、図示しない温度センサからの温度検出信号に基づいて、マイコン7で計測される。また、θcは、シリンダー体積およびシリンダー内圧とボイル−シャルルの法則から計算により求められる。
G=kg・Qn・・・(3)
ただし、kg:係数、Qn:空気の体積流量(標準状態)である。体積流量Qnは以下の放出流量の式で求められる。
(放出流量の式) (Pa/P)<0.528の時、Qn=11.1SePc√(θo/θc)・・・(4)
ただし、Pa:大気圧力、Se:小流量3方電磁弁5Bの有効断面積、θo:標準状態空気温度(273°K)である。
(Pa/P)≧0.528の時、Qn=22.2Se√Pa(P−Pa)√(θo/θc)・・・(5)
ただし、Cv:空気の定積比熱、h:シリンダー内壁と空気との熱伝達率、Sh:シリンダー内壁表面積である。
ディスプレイ12の表示より、圧力特性の実測値が危険作動領域にどのようにかつどの辺に位置しているかを視認することにより、故障の予知が可能となる。異常と判定された場合は、エアーシリンダー3、遮断弁1、小流量3方電磁弁5B等のメンテナンスまたは部品、新品交換要とする。
3 エアーシリンダー(制御手段の一部)
5 電磁弁(制御手段の一部)
5A 大流量3方電磁弁
5B 小流量3方電磁弁
6 圧力センサー
7 マイコン(判定手段、記憶手段)
8 ポテンショメータ(変位検出手段)
Claims (1)
- 遮断弁と、該遮断弁の弁軸を回転制御するエアーシリンダーおよび該エアーシリンダーのシリンダーにエア供給源からのエアーの供給および排気を行う電磁弁を有し、前記遮断弁の開度を制御する制御手段とを備えた遮断弁制御システムであって、
前記シリンダーの内圧を検出する圧力センサーと、
前記制御手段の制御により、前記エアーシリンダーの前記シリンダーに前記エア供給源からのエアーの供給を行った場合に前記圧力センサーで実測した前記シリンダー内圧の圧力特性に基づいてシステムの正常/異常を判定する判定手段と、
システムの初期の正常作動時の前記シリンダー内圧の圧力特性と故障予知境界の圧力特性を予め記憶する記憶手段とを備え、
前記判定手段は、前記実測の圧力特性が前記正常作動時の圧力特性と前記故障予知境界の圧力特性の間の範囲内にある場合は正常と判定し、前記正常作動時の圧力特性及び前記故障予知境界の圧力特性の間の範囲外にある場合は、異常と判定するものであって、
該判定手段は、前記電磁弁への通電時点または停電時点から前記エアーシリンダーの作動開始時点までの前記実測の圧力特性に基づいて前記電磁弁の正常/異常を判定し、前記エアーシリンダーの作動開始時点から前記遮断弁の作動開始時点までの前記実測の圧力特性に基づいて前記エアーシリンダーの正常/異常を判定し、前記遮断弁の作動開始時点以降の前記実測の圧力特性に基づいて前記遮断弁の正常/異常を判定し、
さらに、該判定手段は、前記遮断弁の作動開始時点以降の前記実測の圧力特性が前記正常作動時の圧力特性及び前記故障予知境界の圧力特性の間の範囲外にあって、その圧力特性の傾きが、前記遮断弁の作動開始時点以降の前記正常作動時の圧力特性の傾きと等しい場合は、前記遮断弁が正常かつ前記エアーシリンダーが異常と判定する
ことを特徴とする遮断弁制御システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010267962.5 | 2010-08-31 | ||
CN201010267962.5A CN102384303B (zh) | 2010-08-31 | 2010-08-31 | 截止阀控制系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012052652A JP2012052652A (ja) | 2012-03-15 |
JP5242659B2 true JP5242659B2 (ja) | 2013-07-24 |
Family
ID=44860190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010243284A Expired - Fee Related JP5242659B2 (ja) | 2010-08-31 | 2010-10-29 | 遮断弁制御システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8925895B2 (ja) |
EP (1) | EP2423547B1 (ja) |
JP (1) | JP5242659B2 (ja) |
KR (1) | KR101265986B1 (ja) |
CN (1) | CN102384303B (ja) |
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US9298182B2 (en) * | 2011-12-15 | 2016-03-29 | Xeonet Co., Ltd | Method of displaying abnormal status in plant operation monitoring system |
US9128008B2 (en) * | 2012-04-20 | 2015-09-08 | Kent Tabor | Actuator predictive system |
KR101239005B1 (ko) * | 2012-07-24 | 2013-03-04 | 윤창식 | 솔레노이드 밸브 및 이를 포함하는 자동밸브 |
DK2752585T3 (en) | 2013-01-04 | 2015-08-24 | Alfa Laval Corp Ab | CONTROLLER FOR valve actuator |
CN103470843B (zh) * | 2013-08-15 | 2016-01-13 | 甘肃酒钢集团宏兴钢铁股份有限公司 | 双作用气动执行器自锁装置 |
US9803804B2 (en) | 2013-12-04 | 2017-10-31 | 12th Man Technologies, Inc. | Gas cylinder interlock device and method of use |
US9772046B2 (en) * | 2013-12-05 | 2017-09-26 | Badger Meter, Inc. | Method and apparatus for mounting a control valve positioner |
DE102014006357B3 (de) * | 2014-04-30 | 2015-06-25 | Festo Ag & Co. Kg | Druckluftsystem mit Sicherheitsfunktion und Verfahren zum Betreiben eines solchen Druckluftsystems |
FR3024183B1 (fr) * | 2014-07-22 | 2019-07-26 | Delphi Technologies Ip Limited | Injecteur de carburant |
JP6438312B2 (ja) * | 2015-01-30 | 2018-12-12 | 日立建機株式会社 | 油圧作業機械の電気式操作装置 |
JP6406298B2 (ja) | 2015-10-05 | 2018-10-17 | 株式会社デンソー | 監視装置および異常診断装置 |
US10533583B2 (en) * | 2016-04-28 | 2020-01-14 | Qtrco, Inc. | System for determining safety margin of an installed driven member |
US11015624B2 (en) * | 2016-05-19 | 2021-05-25 | Steven H. Marquardt | Methods and devices for conserving energy in fluid power production |
CA168528S (en) * | 2016-05-20 | 2017-07-17 | Stevan Dobi | Combined low water cutoff and pump controller boiler bottle |
US10234058B2 (en) * | 2016-10-20 | 2019-03-19 | Fisher Controls International Llc | Methods and apparatus of assessing a test of a solenoid valve via a positioner |
US10240687B2 (en) * | 2016-10-20 | 2019-03-26 | Fisher Controls International Llc | Methods and apparatus of testing a solenoid valve of an emergency valve via a positioner |
USD819188S1 (en) * | 2016-11-18 | 2018-05-29 | Pityu Controls Inc. | Boiler low water cutoff/pump controller probe |
FI20195781A1 (fi) * | 2017-03-17 | 2019-09-18 | Kaneko Sangyo Co Ltd | Sulkuventtiilin ohjauslaite, sulkuventtiilin ohjausjärjestelmä, sulkuventtiilin ohjauskertoimen laskentamenetelmä ja sulkuventtiilin ohjausmenetelmä |
JP6837893B2 (ja) * | 2017-03-31 | 2021-03-03 | 住友重機械工業株式会社 | 故障診断システム |
US10527068B2 (en) | 2017-08-18 | 2020-01-07 | Expro Americas, Llc | System for hydraulic pressure relief valve operation |
DE102017124293A1 (de) * | 2017-10-18 | 2019-04-18 | Samson Aktiengesellschaft | Diagnoseverfahren für ein Stellgerät und Stellgerät mit einer Diagnosevorrichtung |
CN108021048B (zh) * | 2017-12-26 | 2023-10-03 | 郑州春泉节能股份有限公司 | 一种阀门开度控制装置及阀门开度调节方法 |
CN116067427B (zh) * | 2023-01-13 | 2024-08-06 | 北京瑞赛长城航空测控技术有限公司 | 一种油罐车在线监测系统 |
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-
2010
- 2010-08-31 CN CN201010267962.5A patent/CN102384303B/zh active Active
- 2010-10-29 JP JP2010243284A patent/JP5242659B2/ja not_active Expired - Fee Related
- 2010-12-01 EP EP20100193247 patent/EP2423547B1/en not_active Not-in-force
- 2010-12-03 US US12/959,786 patent/US8925895B2/en not_active Expired - Fee Related
- 2010-12-29 KR KR1020100137920A patent/KR101265986B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP2423547A3 (en) | 2013-02-27 |
CN102384303A (zh) | 2012-03-21 |
US20120048396A1 (en) | 2012-03-01 |
US8925895B2 (en) | 2015-01-06 |
CN102384303B (zh) | 2014-11-26 |
KR20120021139A (ko) | 2012-03-08 |
EP2423547A2 (en) | 2012-02-29 |
JP2012052652A (ja) | 2012-03-15 |
EP2423547B1 (en) | 2014-02-26 |
KR101265986B1 (ko) | 2013-05-22 |
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