JP2018532969A - 弁の油圧作動駆動部を制御するための方法及び装置 - Google Patents
弁の油圧作動駆動部を制御するための方法及び装置 Download PDFInfo
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 132
- 239000010720 hydraulic oil Substances 0.000 claims description 21
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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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
- F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
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- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
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- F15B2211/20515—Electric motor
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/351—Flow control by regulating means in feed line, i.e. meter-in control
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/353—Flow control by regulating means in return line, i.e. meter-out control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
- F15B2211/40584—Assemblies of multiple valves the flow control means arranged in parallel with a check valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
- F15B2211/40592—Assemblies of multiple valves with multiple valves in parallel flow paths
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41509—Flow control characterised by the connections of the flow control means in the circuit being connected to a pressure source and a directional control valve
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41581—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a return line
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/633—Electronic controllers using input signals representing a state of the prime mover, e.g. torque or rotational speed
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- 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
- F15B2211/7052—Single-acting output members
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- 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
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- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/75—Control of speed of the output member
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Mechanical Engineering (AREA)
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Abstract
Description
低温で高粘度の場合、弁を十分速く動かす、又は変位させることがしばしばできず、高温で低粘度の場合は、しばしば弁の動作があまりに速いため圧力が急上昇し、弁が組み込まれているパイプライン内でいわゆる油圧衝撃が発生することがある。
Claims (13)
- 油圧作動駆動部(1〜3)、特に弁又は制御装置用の油圧作動駆動部を制御する方法であって、
前記駆動部の変位の少なくとも一部において変位速度(v’)が検出され、所定の目標変位速度(v)と比較されて、
実際の値(v’)と前記速度の目標値(v)の間に差異がある場合は、前記駆動部(1〜3)の前記変位速度(v’)が前記目標値(v)に適合するように前記駆動部の制御が変更される、方法。 - 前記変位速度(v’)が、少なくとも2つの測定点における前記変位の距離測定と時間測定の組み合わせによって検出される、請求項1に記載の方法。
- 前記駆動部(1〜3)の前記変位速度(v’)が、部分区間(S1からS3)において測定され、残りの変位経路を移動する時間を計算する根拠として使用される、請求項1又は2に記載の方法。
- 前記変位の開始時の前記変位速度(v’)が、前記端部位置(S1)から始まる前記部分区間(S1からS3)において測定される、請求項3に記載の方法。
- 前記駆動部(1〜3)の前記変位速度(v’)が継続的に検出されて前記所定の目標変位速度(v)と比較され、目標値と実際の値の間に差異が生じたら、所定の目標変位時間が維持されるように前記駆動部の制御が連続的に変更される、請求項1に記載の方法。
- 前記駆動部は、ばね荷重式ピストン(1)を有し、
前記ピストンに作用する油圧が戻り管(10)内の通路断面積を変更することにより制御される、請求項1から5のいずれか一つに記載の方法。 - 前記駆動部は、ピストンの両側に作動油の作用を受ける前記ピストン(1)を有し、
圧力を伝達する油圧管(4.4)内の前記通路断面積を変更することにより前記作動油が制御される、請求項1から5のいずれか一つに記載の方法。 - 電気油圧駆動における前記駆動部の前記制御は、モータ回転数の変更、又は前記モータ(M)のオンとオフを切り替えることにより制御される、請求項1から4のいずれか一つに記載の方法。
- 油圧作動駆動部、特に弁の油圧作動駆動部を制御するための装置であって、前記装置は、
油圧シリンダ(2)内のばね(3)によりばね荷重を受けるピストン(1)と、
供給管(4)を介して前記ばね荷重式ピストン(1)に圧力をかけるための油圧ポンプ(6)と、
戻り管(10)内に設けられて前記戻り管を開放及び閉鎖する少なくとも1つの制御弁(8、9)と、を備え、
前記ピストン速度(v’)の前記実際の値と目標変位速度(v)とを比較して制御信号を出力する処理部(11)に接続されて、前記処理部から前記制御信号を出力される制御部(14)によって、前記戻り管(10)の断面積が制御可能である、前記装置。 - 油圧作動駆動部、特に弁の油圧作動駆動部を制御するための装置であって、前記装置は、
油圧シリンダ(2)内でピストンの両側に作動油の作用を受ける前記ピストン(1)と、
前記ピストン(1)に圧力をかけるための油圧ポンプ(6)と、
前記油圧シリンダ(2)へ通じる油圧管(4.1、4.2)を供給管と戻り管の間で切り替えるための制御弁(15)と、
前記供給管内で圧力源(6、16)と制御弁(15)の間に配置され、バイパス管(4.41)を開放及び閉鎖するための弁(18)が内部に置かれたバイパス管により迂回される絞り弁(17)と、を備え、
前記ピストン速度(v’)の前記実際の値と目標変位速度(v)とを比較して制御信号を出力する処理部(11)に接続されて、前記処理部から前記制御信号を出力される制御部(14)によって、前記供給管(4.4)の通路断面積が制御可能である、前記装置。 - 油圧作動駆動部、特に弁の油圧作動駆動部を制御するための装置であって、
駆動モータ(M)により駆動され、前記駆動部のピストン(1)に対して作動油を使って作用する油圧ポンプ(6)を備え、
前記ピストン速度(v’)の前記実際の値と目標変位速度(v)とを比較して、前記モータ(M)の同期した動作のため又は前記モータ(M)の前記回転数の変更のために制御信号を出力する処理部(11)に接続され、前記処理部から前記制御信号を出力される制御部(14)によって、前記駆動モータ(M)が制御可能である、前記装置。 - 前記駆動部の前記変位速度を検出するために、前記変位経路の少なくとも部分区間に行程に依存して作動するスイッチ(S1からS4)が備えられる、請求項9から11のいずれか一つに記載の装置。
- 前記駆動部の前記変位はポテンショメータにより検出される、請求項9から11のいずれか一つに記載の装置。
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DE102015119108.3 | 2015-11-06 | ||
DE102015119108.3A DE102015119108A1 (de) | 2015-11-06 | 2015-11-06 | Verfahren und Vorrichtung zum Ansteuern einer hydraulisch betätigten Antriebseinheit einer Armatur |
PCT/EP2016/076543 WO2017076965A1 (de) | 2015-11-06 | 2016-11-03 | Verfahren und vorrichtung zum ansteuern einer hydraulisch betätigten antriebseinheit einer armatur |
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JP2019142496A (ja) * | 2016-08-12 | 2019-08-29 | 株式会社小糸製作所 | 照明システムおよびセンサシステム |
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DE102016102387A1 (de) * | 2015-07-31 | 2017-02-02 | Voith Patent Gmbh | Hydraulischer Antrieb zum Ausführen einer linearen Bewegung |
DE102015119108A1 (de) | 2015-11-06 | 2017-05-11 | Pleiger Maschinenbau Gmbh & Co. Kg | Verfahren und Vorrichtung zum Ansteuern einer hydraulisch betätigten Antriebseinheit einer Armatur |
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JPS636202U (ja) * | 1986-07-01 | 1988-01-16 | ||
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JP2002147405A (ja) * | 2000-11-14 | 2002-05-22 | Toyooki Kogyo Co Ltd | 液圧駆動装置 |
US20110209471A1 (en) * | 2008-09-03 | 2011-09-01 | Dale Vanderlaan | Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions |
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Publication number | Priority date | Publication date | Assignee | Title |
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2015
- 2015-11-06 DE DE102015119108.3A patent/DE102015119108A1/de active Pending
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2016
- 2016-11-03 MY MYPI2018701750A patent/MY194646A/en unknown
- 2016-11-03 CN CN201680064727.3A patent/CN108368862B/zh active Active
- 2016-11-03 JP JP2018541541A patent/JP6871932B2/ja active Active
- 2016-11-03 SG SG11201803761QA patent/SG11201803761QA/en unknown
- 2016-11-03 US US15/773,842 patent/US10731675B2/en active Active
- 2016-11-03 UA UAA201806276A patent/UA124832C2/uk unknown
- 2016-11-03 WO PCT/EP2016/076543 patent/WO2017076965A1/de active Application Filing
- 2016-11-03 RU RU2018120596A patent/RU2731353C2/ru active
- 2016-11-03 EP EP16791569.3A patent/EP3371466A1/de active Pending
- 2016-11-03 CA CA3003222A patent/CA3003222C/en active Active
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Also Published As
Publication number | Publication date |
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US10731675B2 (en) | 2020-08-04 |
EP3371466A1 (de) | 2018-09-12 |
WO2017076965A1 (de) | 2017-05-11 |
CN108368862B (zh) | 2021-02-09 |
JP6871932B2 (ja) | 2021-05-19 |
HK1252647A1 (zh) | 2019-05-31 |
RU2018120596A3 (ja) | 2020-02-19 |
RU2731353C2 (ru) | 2020-09-01 |
MY194646A (en) | 2022-12-09 |
CN108368862A (zh) | 2018-08-03 |
KR20180071305A (ko) | 2018-06-27 |
CA3003222C (en) | 2024-05-14 |
SG11201803761QA (en) | 2018-06-28 |
UA124832C2 (uk) | 2021-12-01 |
KR102676165B1 (ko) | 2024-06-17 |
US20180328386A1 (en) | 2018-11-15 |
RU2018120596A (ru) | 2019-12-09 |
DE102015119108A1 (de) | 2017-05-11 |
CA3003222A1 (en) | 2017-05-11 |
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