JP5380538B2 - 油圧駆動装置の作動油温制御装置 - Google Patents
油圧駆動装置の作動油温制御装置 Download PDFInfo
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- 239000010720 hydraulic oil Substances 0.000 title claims description 73
- 239000003921 oil Substances 0.000 claims description 119
- 238000001816 cooling Methods 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 31
- 238000010586 diagram Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2095—Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- 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
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a directional control valve
-
- 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
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/62—Cooling or heating 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/632—Electronic controllers using input signals representing a flow rate
- F15B2211/6323—Electronic controllers using input signals representing a flow rate the flow rate being a pressure source flow rate
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/632—Electronic controllers using input signals representing a flow rate
- F15B2211/6326—Electronic controllers using input signals representing a flow rate the flow rate being an output member flow rate
-
- 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
- F15B2211/60—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
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/66—Temperature control methods
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/665—Methods of control using electronic components
- F15B2211/6654—Flow rate control
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Temperature (AREA)
- Operation Control Of Excavators (AREA)
Description
2 油圧ポンプ
3 油圧アクチュエータ
4 方向制御弁
5 作動油タンク
6 油路
7 戻り油路
8 冷却油路
9 オイルクーラ
10 非冷却油路
11 流量制御弁
12 制御部(第1演算手段、第1設定手段、第2演算手段、第2設定手段、第3演算手段、出力手段、第4演算手段、第5演算手段、第3設定手段、第6演算手段、第4設定手段)
13 検出装置
14 圧力検出装置
15 変位検出装置
16 流量検出装置
17 圧力検出装置
18 流量検出装置
Claims (3)
- エンジンと、このエンジンによって駆動される油圧ポンプと、この油圧ポンプから吐出される圧油によって駆動する油圧アクチュエータと、この油圧アクチュエータに供給される圧油の流れを制御する方向制御弁と、この方向制御弁と作動油タンクとを連絡し、前記油圧アクチュエータからの戻り油を前記作動油タンクへと導く戻り油路と、この戻り油路に設けられたオイルクーラとを有する油圧駆動装置に備えられ、前記戻り油路に設けられた前記オイルクーラをバイパスする非冷却油路と、この非冷却油路に設けられ当該非冷却油路を流れる作動油の流量を制御する流量制御弁と、この流量制御弁を制御する制御信号を出力する制御部を設けた油圧駆動装置の作動油温制御装置において、
前記制御部は、
作動油を昇温させるエネルギー要素を求める第1演算手段と、
実験的あるいは経験的に知られている前記オイルクーラの通過流量と前記オイルクーラの放熱量との第1の関係に対応させて設定され、前記第1の関係の前記オイルクーラの放熱量を、前記作動油を昇温させるエネルギー要素に置き換えた前記オイルクーラの通過流量と前記作動油を昇温させるエネルギー要素との第2の関係を設定する第1設定手段と、
前記第1演算手段で求めた作動油を昇温させるエネルギー要素と、前記第1設定手段で設定された前記第2の関係に基づいて、前記オイルクーラの通過流量を求める第2演算手段と、
前記オイルクーラの通過流量と前記流量制御弁の通過流量との第3の関係を設定する第2設定手段と、
前記第2演算手段で求めた前記オイルクーラの通過流量と、前記第2設定手段で設定された前記第3の関係に基づいて、前記流量制御弁の通過流量を求める第3演算手段と、
前記第3演算手段で求めた前記流量制御弁の通過流量に相応する制御信号を前記流量制御弁に出力する出力手段とを含むことを特徴とする油圧駆動装置の作動油温制御装置。 - 請求項1に記載の油圧駆動装置の作動油温制御装置において、
前記制御部は、
前記エンジンの出力を求める第4演算手段と、
前記油圧アクチュエータの仕事を求める第5演算手段と、
前記エンジンの出力及び前記油圧アクチュエータの仕事と、前記作動油を昇温させるエネルギー要素との第4の関係を設定する第3設定手段とを含み、
前記制御部の前記第1演算手段は、前記第4演算手段で求めたエンジンの出力及び前記第5演算手段で求めた油圧アクチュエータの仕事と、前記第3設定手段で設定された第4の関係に基づいて、前記作動油を昇温させるエネルギー要素を求めることを特徴とする油圧駆動装置の作動油温制御装置。 - 請求項1に記載の油圧駆動装置の作動油温制御装置において、
前記制御部は、
前記油圧アクチュエータの仕事を求める第5演算手段と、
前記油圧ポンプの入力を求める第6演算手段と、
前記油圧アクチュエータの仕事及び前記油圧ポンプの入力と、前記作動油を昇温させるエネルギー要素との第5の関係を設定する第4設定手段とを含み、
前記制御部の前記第1演算手段は、前記第5演算手段で求めた油圧アクチュエータの仕事及び前記第6演算手段で求めた前記油圧ポンプの入力と、前記第4設定手段で設定された第5の関係に基づいて、前記作動油を昇温させるエネルギー要素を求めることを特徴とする油圧駆動装置の作動油温制御装置。
Priority Applications (1)
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JP2011527595A JP5380538B2 (ja) | 2009-08-17 | 2010-02-24 | 油圧駆動装置の作動油温制御装置 |
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JP2009188486 | 2009-08-17 | ||
JP2009188486 | 2009-08-17 | ||
PCT/JP2010/052897 WO2011021405A1 (ja) | 2009-08-17 | 2010-02-24 | 油圧駆動装置の作動油温制御装置 |
JP2011527595A JP5380538B2 (ja) | 2009-08-17 | 2010-02-24 | 油圧駆動装置の作動油温制御装置 |
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JPWO2011021405A1 JPWO2011021405A1 (ja) | 2013-01-17 |
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US (1) | US9103096B2 (ja) |
JP (1) | JP5380538B2 (ja) |
KR (1) | KR20120045050A (ja) |
CN (1) | CN102472303B (ja) |
DE (1) | DE112010003299T5 (ja) |
WO (1) | WO2011021405A1 (ja) |
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CN102722190B (zh) * | 2012-07-09 | 2014-12-31 | 重庆大学 | 一种机床节能型油温控制系统 |
KR101295835B1 (ko) * | 2013-02-20 | 2013-08-12 | 이텍산업 주식회사 | 다목적 도로관리차의 유압유 자동제어시스템 |
CN103161784B (zh) * | 2013-03-07 | 2015-10-14 | 三一重机有限公司 | 液压系统及工程机械 |
JP5954360B2 (ja) | 2014-06-09 | 2016-07-20 | コベルコ建機株式会社 | 建設機械 |
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CN109058441A (zh) * | 2018-08-15 | 2018-12-21 | 重庆长安汽车股份有限公司 | 一种自动变速器油温控制方法及系统 |
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CN112594373B (zh) * | 2020-12-24 | 2022-06-28 | 潍柴动力股份有限公司 | 一种变速箱中液压油温度的控制方法 |
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JP2006523808A (ja) * | 2003-04-15 | 2006-10-19 | ボルボ コンストラクション イクイップメント アーベー | 流体粘度を制御するシステムと方法およびそのようなシステムを搭載する作業車両 |
JP2006299795A (ja) * | 2005-04-20 | 2006-11-02 | Volvo Construction Equipment Ab | 建設機械のポンプ流量制御装置及び該制御方法 |
JP2007211843A (ja) * | 2006-02-08 | 2007-08-23 | Hitachi Constr Mach Co Ltd | 油圧駆動式産業機械 |
JP2009168143A (ja) * | 2008-01-16 | 2009-07-30 | Caterpillar Japan Ltd | 冷却システムおよび冷却方法 |
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JP3516984B2 (ja) * | 1994-06-14 | 2004-04-05 | 住友建機製造株式会社 | 油圧機器に於ける油温制御装置 |
JP2006523808A (ja) * | 2003-04-15 | 2006-10-19 | ボルボ コンストラクション イクイップメント アーベー | 流体粘度を制御するシステムと方法およびそのようなシステムを搭載する作業車両 |
JP2006084022A (ja) * | 2004-08-30 | 2006-03-30 | Caterpillar Sarl | 作動液の流れを制御するシステム及び方法 |
JP2006299795A (ja) * | 2005-04-20 | 2006-11-02 | Volvo Construction Equipment Ab | 建設機械のポンプ流量制御装置及び該制御方法 |
JP2007211843A (ja) * | 2006-02-08 | 2007-08-23 | Hitachi Constr Mach Co Ltd | 油圧駆動式産業機械 |
JP2009168143A (ja) * | 2008-01-16 | 2009-07-30 | Caterpillar Japan Ltd | 冷却システムおよび冷却方法 |
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DE112010003299T5 (de) | 2012-12-27 |
US20120144817A1 (en) | 2012-06-14 |
CN102472303B (zh) | 2014-11-05 |
CN102472303A (zh) | 2012-05-23 |
WO2011021405A1 (ja) | 2011-02-24 |
US9103096B2 (en) | 2015-08-11 |
KR20120045050A (ko) | 2012-05-08 |
JPWO2011021405A1 (ja) | 2013-01-17 |
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