CN102187127A - 用于操作液力变矩器的离合器的方法 - Google Patents
用于操作液力变矩器的离合器的方法 Download PDFInfo
- Publication number
- CN102187127A CN102187127A CN2009801416543A CN200980141654A CN102187127A CN 102187127 A CN102187127 A CN 102187127A CN 2009801416543 A CN2009801416543 A CN 2009801416543A CN 200980141654 A CN200980141654 A CN 200980141654A CN 102187127 A CN102187127 A CN 102187127A
- Authority
- CN
- China
- Prior art keywords
- clutch
- operated
- torque converter
- out part
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/14—Control of torque converter lock-up clutches
- F16H61/143—Control of torque converter lock-up clutches using electric control means
-
- 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
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H2059/145—Inputs being a function of torque or torque demand being a function of power demand of auxiliary devices
-
- 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
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- 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
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/38—Inputs being a function of speed of gearing elements
- F16H59/40—Output shaft speed
-
- 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
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
- F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20012—Multiple controlled elements
- Y10T74/20018—Transmission control
- Y10T74/20024—Fluid actuator
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Gearings (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
液力变矩器的离合器,所述离合器将液力变矩器的输入部与液力变矩器的输出部连接,当车辆中的动力输出部的功率超过事先限定的值时,所述离合器向着分离方向操作。
Description
技术领域
本发明涉及一种按照在权利要求1的前序部分中详细限定的类型的用于操作液力变矩器的离合器的方法。
背景技术
此类变矩器中的离合器向着接合方向操作,以便将变矩器的输入部与输出部连接,由此,发生从输入部到输出部直接的贯通传动,这使得效率提高。当涡轮扭矩相对泵扭矩在离合器接合或者分离的情况下几乎大小相等时,通常该离合器向着接合方向操作。该切换点通过液力变矩器的泵轮和涡轮之间的转速差来测定。
作业机械(例如农用车辆)或者建筑机械(例如轮式装载机)附加地具有动力输出部,该动力输出部直接与变矩器的输入部有效连接。
发明内容
本发明的任务在于,提供一种用于操作液力变矩器的离合器的方法,借助该方法能够有效地使用液力变矩器的离合器。
该任务以同样具有主权利要求的特征部分特征的、用于操作液力变矩器的离合器的此类方法来解决。
根据本发明,当动力输出部上的功率超过事先限定的值时,于是将液力变矩器的向着接合方向操作的离合器向着分离方向操作。
由此可行的是,例如当轮式装载机利用其铲斗***到待运输的物品中,并且为了装填该铲斗而升起该铲斗时,将液力变矩器的离合器向着分离方向操作。在这种情况下,动力输出部需要高的马达转速,以便为作业液压***产生足够的功率。
在本发明的另一构造方式中,探测车辆的行驶状态,并且在下坡行驶的情况下,当变速器输入扭矩低于事先限定的扭矩时或者当车辆处于超过事先限定的速度时,即使当在动力输出部上所要求提供的功率高于事先限定的数值时,也将该变矩器的离合器保持向着接合方向操作。由此确保的是,在下坡行驶时也能够充分利用驱动马达的制动扭矩。
优选的是,动力输出部构造为液压泵,其中,所述动力输出部的功率可借助泵的液压压力和泵的转速来测定。所述液压压力可以要么直接在液压泵上要么在轮式装载机的铲斗的升降缸(Hubzylindern)中测定。
同样存在如下可行性,即,通过在液压***中的先导压力来测定功率。为识别事先限定的压力的超出,存在以下可行性,即,借助压力开关来探测该事先限定的压力的超出。
在本发明的另一构造方式中,电子控制单元(例如变速器电子设备)控制液力变矩器的离合器的分离和接合,其中,将信号(例如压力开关的信号)、涡轮转速和马达转速或者马达扭矩输入到所述变速器电子设备。
在本发明的另一构造方式中,马达电子设备与变速器控制设备通过CAN信号连接,其中,马达电子设备将马达扭矩传递到变速器控制设备上,并且所述变速器控制设备由马达扭矩探测到下坡行驶,并且在此以如下方式控制变矩器的离合器,即,使得该变矩器的离合器保持向着接合方向操作。
Claims (8)
1.用于操作车辆中的液力变矩器的离合器的方法,其中,所述离合器在向着接合方向操作时,将所述液力变矩器的输入部与所述液力变矩器的输出部连接,且所述离合器在向着分离方向操作时,将所述液力变矩器的所述输入部从所述液力变矩器的所述输出部分开,其特征在于,动力输出部持久地与所述输入部有效连接,且当所述动力输出部上的功率超过事先限定的值时,将所述离合器向着分离方向操作。
2.根据权利要求1所述的用于操作离合器的方法,其特征在于,所述动力输出部构造为液压的泵。
3.根据权利要求2所述的用于操作离合器的方法,其特征在于,所述液压的泵的功率借助所述泵的液压压力和所述泵的转速来测定。
4.根据权利要求1所述的用于操作离合器的方法,其特征在于,在所述离合器向着分离方向操作后,当所述动力输出部的功率降低到所述事先限定的值以下并且涡轮的扭矩在所述离合器的接合状态和所述离合器的分离状态下几乎相等时,将所述离合器向着接合方向操作。
5.根据权利要求1所述的用于操作离合器的方法,其特征在于,仅当在所述车辆下坡行驶的情形中所述车辆处于低于事先限定的速度时,才将所述离合器向着分离方向操作。
6.根据权利要求1所述的用于操作离合器的方法,其特征在于,仅当在所述车辆下坡行驶的情形中变速器输入扭矩高于事先限定的扭矩时,才将所述离合器向着分离方向操作。
7.根据权利要求1所述的用于操作离合器的方法,其特征在于,变速器电子设备测定所述输入部的转速、所述输出部的转速、制动踏板姿态或制动压力以及驱动马达的扭矩,并且控制所述离合器。
8.根据权利要求1所述的用于操作离合器的方法,其特征在于,
驱动马达的扭矩借助CAN信号传递到变速器控制单元上,所述变速器控制单元将所述驱动马达的扭矩使用于探测下坡行驶状态。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008043108A DE102008043108A1 (de) | 2008-10-23 | 2008-10-23 | Verfahren zum Betätigen einer Kupplung eines hydrodynamischen Drehmomentwandlers |
DE102008043108.7 | 2008-10-23 | ||
PCT/EP2009/062596 WO2010046207A1 (de) | 2008-10-23 | 2009-09-29 | Verfahren zum betätigen einer kupplung eines hydrodynamischen drehmomentwandlers |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102187127A true CN102187127A (zh) | 2011-09-14 |
CN102187127B CN102187127B (zh) | 2014-08-20 |
Family
ID=41328495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980141654.3A Expired - Fee Related CN102187127B (zh) | 2008-10-23 | 2009-09-29 | 用于操作液力变矩器的离合器的方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8550960B2 (zh) |
EP (1) | EP2337976B1 (zh) |
CN (1) | CN102187127B (zh) |
DE (1) | DE102008043108A1 (zh) |
WO (1) | WO2010046207A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6187497B2 (ja) * | 2015-02-18 | 2017-08-30 | トヨタ自動車株式会社 | 車両の制御装置、および、車両 |
Citations (9)
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FR2557518A1 (fr) * | 1983-12-28 | 1985-07-05 | Fendt & Co Xaver | Installation a convertisseur de couple hydrodynamique pour l'entrainement d'un tracteur notamment a usage agricole et procede de mise en oeuvre |
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2008
- 2008-10-23 DE DE102008043108A patent/DE102008043108A1/de not_active Withdrawn
-
2009
- 2009-09-29 WO PCT/EP2009/062596 patent/WO2010046207A1/de active Application Filing
- 2009-09-29 CN CN200980141654.3A patent/CN102187127B/zh not_active Expired - Fee Related
- 2009-09-29 EP EP09783535A patent/EP2337976B1/de active Active
- 2009-09-29 US US13/124,841 patent/US8550960B2/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2557518A1 (fr) * | 1983-12-28 | 1985-07-05 | Fendt & Co Xaver | Installation a convertisseur de couple hydrodynamique pour l'entrainement d'un tracteur notamment a usage agricole et procede de mise en oeuvre |
EP0308072A1 (en) * | 1987-09-17 | 1989-03-22 | Eaton Corporation | Torque converter lock-up& disconnect clutch structure |
US5621643A (en) * | 1991-04-12 | 1997-04-15 | Komatsu Ltd. | Dozing system for bulldozers |
US5720358A (en) * | 1995-12-06 | 1998-02-24 | Caterpillar Inc. | Apparatus for controlling the torque on a power train and method of operating the same |
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US6253140B1 (en) * | 1999-08-04 | 2001-06-26 | Ford Global Technologies, Inc. | Engagement control logic for an automatic transmission clutch with adaptive engagement feel |
EP1801294A1 (en) * | 2004-07-27 | 2007-06-27 | Volvo Construction Equipment AB | A method and a device for controlling movement of a work vehicle |
US20080026905A1 (en) * | 2006-07-28 | 2008-01-31 | Michael Thomas Dickinson | Control system and method for lock up clutch |
US20080242502A1 (en) * | 2007-03-30 | 2008-10-02 | Caterpillar Inc. | Vehicle overspeed system implementing impeller clutch lockout |
Also Published As
Publication number | Publication date |
---|---|
US20110197695A1 (en) | 2011-08-18 |
WO2010046207A1 (de) | 2010-04-29 |
US8550960B2 (en) | 2013-10-08 |
EP2337976B1 (de) | 2013-03-06 |
EP2337976A1 (de) | 2011-06-29 |
CN102187127B (zh) | 2014-08-20 |
DE102008043108A1 (de) | 2010-04-29 |
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