CN110546406A - 运行用于离合器操纵系统的致动器组件的方法和致动器组件 - Google Patents

运行用于离合器操纵系统的致动器组件的方法和致动器组件 Download PDF

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CN110546406A
CN110546406A CN201880026854.3A CN201880026854A CN110546406A CN 110546406 A CN110546406 A CN 110546406A CN 201880026854 A CN201880026854 A CN 201880026854A CN 110546406 A CN110546406 A CN 110546406A
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coil
actuator assembly
screw
piston
displacement
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马库斯·迪特里希
维克托·弗兰兹
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Schaeffler Technologies AG and Co KG
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    • 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
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D28/00—Electrically-actuated clutches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/24—Electric or magnetic using motors
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/40—Screw-and-nut
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/18—Sensors; Details or arrangements thereof
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/102—Actuator
    • F16D2500/1021—Electrical type
    • F16D2500/1023—Electric motor
    • F16D2500/1025—Electric motor with threaded transmission
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/104—Clutch
    • F16D2500/10406—Clutch position
    • F16D2500/10412—Transmission line of a vehicle
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3021—Angle
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3022—Current
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3026—Stroke
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/501—Relating the actuator
    • F16D2500/5012—Accurate determination of the clutch positions, e.g. treating the signal from the position sensor, or by using two position sensors for determination
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7041—Position
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
    • F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • 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
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2075—Coaxial drive motors
    • F16H2025/2078—Coaxial drive motors the rotor being integrated with the nut or screw body
    • 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
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
    • F16H25/2252—Planetary rollers between nut and screw

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Transmission Devices (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

本发明涉及一种运行用于离合器操纵系统的致动器组件的方法，致动器组件包括电动机式操纵的、具有螺杆(4)的传动装置(2)，螺杆将旋转运动转变成活塞(5)在轴向上的直线运动，其中，借助传感器装置(6、10)确定活塞(5)经过的轴向位移。在减小致动器组件的结构空间的方法中，电感式的传感器装置(6、10)和与活塞(5)连接的金属螺杆(4)作用式连接，其中，金属螺杆(4)用作确定轴向位移的传感器目标。

Description

运行用于离合器操纵系统的致动器组件的方法和致动器组件
技术领域
本发明涉及一种运行用于离合器操纵系统的致动器组件的方法以及用于实施该方法的致动器组件，致动器组件包括电动机式操纵的、具有螺杆的传动装置，螺杆将旋转运动转变成活塞在轴向上的直线运动，其中，借助传感器装置确定活塞经过的轴向位移。
背景技术
由DE 10 2012 218 255 A1已知用于操控离合器的方法，其中，通过静液致动器操控离合器。静液致动器包括传动杆6，传动杆转动以使主缸的活塞5在轴向上运动，其中，通过位移传感器得出活塞5或传动杆6在轴向上的绝对位移。为了确定绝对位移，如由图3中可看出，在活塞5上安装磁体11，磁体与固定在致动器上的外部位移传感器12共同作用。磁体11和外部位移传感器12的组合要求非常大的结构空间并且提高了致动器组件的制造成本。
发明内容
本发明所要解决的技术问题是，提供一种运行用于离合器操纵系统的致动器组件的方法，在该方法中减小了结构空间，尽管如此仍能可靠地确定活塞经过的位移。
根据本发明该技术问题通过以下方式解决，即，电感式的传感器装置和与活塞连接的金属螺杆作用式连接，其中，金属螺杆用作确定轴向位移的传感器目标。这具有的优点是，借助螺杆使得本身存在于致动器组件中的结构元件作为传感器目标，因此可取消单独的传感器目标，这减小了致动器组件的结构空间。螺杆由金属材料制成，以可以满足电感的测量功能，从而与电感式的传感器装置相结合就能可靠确定螺杆的轴向位置，且因此可靠得出活塞的轴向位置。
有利地，在螺杆的移动路径中置入线圈，线圈与评估电路构成传感器装置。在此，通过线圈的延伸确定电感测量的灵敏度，因为螺杆进入到线圈中的伸入距离与线圈衰减成比例。
在一种设计方案中，相对于其在致动器组件内的周围影响区域调谐线圈的激励频率。例如，通过调节激励频率可将线圈内部的静止的金属管电子式地隐藏。因此始终提供关于活塞在致动器组件中的轴向位移的可靠的测量结果。
在一种实施方式中，对线圈进行线性化处理。由此建立测量的电感和螺杆经过的位移之间的比例关系，这简化了位移的确定。
为了补偿在线圈的端部由于静止的金属构件而在线圈的紧邻影响区域中出现的非线性，在带端部(Bandende)对线圈进行线性化处理。
在一种变型方案中，由电感测量得到的位移根据借助转子位置传感器测量的螺杆的转数进行可信度分析。由此在致动器组件中实现了可靠功能。通过采用两种不同的物理测量原理和分开的目标可根据转子位置传感器的测量结果持续地检查电感评估的准确性。
本发明的一种改进方案涉及用于离合器操纵系统的致动器组件，致动器组件包括：具有螺杆的传动装置，其中，螺杆将传动装置的旋转运动转变成与螺杆连接的活塞的直线运动；和用于确定活塞位移的传感器装置。在减小了结构空间的致动器组件中，线圈包围用作传感器目标的金属螺杆，其中，线圈与用于由线圈的电感变化确定螺杆位置的评估电路连接。在此，螺杆直接用作传感器目标，因为螺杆由金属制成且线圈因此衰减。此外，螺杆用作传感器目标具有的优点是，螺杆的倾斜不会导致测量错误，这通过借助线圈的电感测量也使得能够直接确定在离合器操纵系统中通过活塞排挤的流体。
在一种实施方式中，与线圈连接的评估电路布置在致动器组件内，以根据线圈的电感变化确定活塞位移。因为评估电路非常小，其可直接布置在还支承致动器的其他电子元件的支承板上。因此取消了外部传感器装置的布置，这同样有助于减小致动器组件的结构空间。
有利地，围绕线圈布置金属屏蔽件。由此使得致动器组件相对于外部的动态影响更稳固，因为金属屏蔽件是静止的且主要针对这些影响，由此可从测量结果中排除这些影响。
在一种设计方案中，布置在线圈支承件上的线圈在其延伸中预定了用于金属螺杆的伸入区域。因此，线圈的延伸使得可以匹配相对于活塞经过的最大轴向位移，其中，螺杆进入到线圈中的伸入距离与线圈衰减成比例。
为了检查由电感测量确定的活塞轴向位移的精确性，在螺杆的端侧处相对地布置用于探测螺杆转数的转子位置传感器。根据转数也可得到螺杆经过的位移，该位移借助通过电感测量确定的位移校正。
附图说明
本发明包括多种实施方式。根据在图纸中所示的附图详细阐述其中一个。
其中示出：
图1示出了根据本发明的致动器组件的一种实施例，
图2示出了用于电感测量的等效电路图，
图3示出了根据现有技术的致动器组件。
具体实施方式
在图1中示出了根据本发明的致动器组件1的一种实施例，该致动器组件具有传动装置2，传动装置通过电动机3驱动。传动装置2的旋转运动经由螺杆4转变成直线运动，由此活塞5轴向运动。螺杆4由金属制成。螺杆4在与活塞5相反的一侧被线圈6包围，线圈布置在支承元件7上。线圈6和支承元件7通过金属屏蔽件8包围。评估电路10设置在支承板9上，评估电路与线圈6连接。
在用作线圈6的金属芯的金属螺杆3运动时，线圈6的电感发生改变。为了此时借助螺杆3确定活塞5的位置，螺杆3在进入由线圈6预设的伸入距离中时使线圈6衰减。因此，螺杆4的伸入距离与线圈衰减成比例。因为这会导致线圈的电感不同，，因此线圈衰减通过评估电路10测量。在此，评估电路10通过电感测量得出螺杆4的位置且因此得出活塞5经过的位移。在图2中示出了等效电路。
尤其为了补偿主要因静止的金属构件在线圈6的直接影响区域中出现的非线性的电感，对线圈6进行线性化处理。金属屏蔽件8使得线圈6相对于外部的动态影响隔绝。通过使线圈6的激励频率匹配紧邻的周围环境，因此也通过在评估电路10的输出信号中的偏移修正使金属屏蔽件8的静止的金属管隐藏。
在一种设计方案中，在螺杆4的、与活塞相反的端侧处布置未进一步示出的磁式的转子位置传感器。转子位置传感器用于确定在接通致动器组件时螺杆4的轴向位置。这需要用于覆盖螺杆4的整个移动路径，该移动路径可相当于多个电动机转数。通过用于电动机通信的转子位置传感器可在360°上得到螺杆的位置。因此，可根据转子位置传感器的转数测量校正通过电感测量的轴向位移。
附图标记列表
1 致动器组件
2 传动装置
3 电动机
4 螺杆
5 活塞
6 线圈
7 支承元件
8 金属屏蔽件
9 支承板
10 评估电子器件
11 磁体
12 位移传感器

Claims (10)

1.运行用于离合器操纵系统的致动器组件的方法，所述致动器组件包括电动机式操纵的、具有螺杆(4)的传动装置(2)，所述螺杆将旋转运动转变成活塞(5)在轴向上的直线运动，其中，借助传感器装置(6、10)确定所述活塞(5)经过的轴向位移，其特征在于，电感式的传感器装置(6、10)和与所述活塞(5)连接的金属螺杆(4)作用式连接，其中，所述金属螺杆(4)用作确定所述轴向位移的传感器目标。
2.根据权利要求1所述的方法，其特征在于，在所述螺杆(4)的移动路径中置入线圈(6)，所述线圈与评估电路(10)构成所述传感器装置。
3.根据权利要求1或2所述的方法，其特征在于，相对于其在所述致动器组件(1)内的周围影响区域调谐所述线圈(6)的激励频率。
4.根据权利要求1、2或3所述的方法，其特征在于，对所述线圈(6)进行线性化处理。
5.根据前述权利要求中任一项所述的方法，其特征在于，由所述电感测量得到的位移根据借助转子位置传感器测量的所述螺杆(6)的转数进行可信度分析。
6.用于离合器操纵系统的致动器组件，所述致动器组件包括：具有螺杆(4)的传动装置(2)，其中，所述螺杆(4)将所述传动装置(2)的旋转运动转变成与所述螺杆(4)连接的活塞(5)的直线运动；和用于确定所述活塞(5)的位移的传感器装置(6、10)，其特征在于，线圈(6)包围用作传感器目标的金属螺杆(4)，且所述线圈(6)与用于由所述线圈(6)的电感变化确定螺杆位置的评估电路(10)连接。
7.根据权利要求6所述的致动器组件，其特征在于，与所述线圈(6)连接的评估电路(10)布置在所述致动器组件(1)内，以根据所述线圈(6)的电感变化确定所述活塞(5)的位移。
8.根据权利要求6或7所述的致动器组件，其特征在于，围绕所述线圈(6)布置金属屏蔽件(8)。
9.根据权利要求6、7或8所述的致动器组件，其特征在于，布置在线圈支承件(9)上的线圈(6)在所述线圈的延伸中预定用于所述金属螺杆(4)的伸入区域。
10.根据权利要求6至9中任一项所述的致动器组件，其特征在于，在所述螺杆(6)的端侧处相对地布置用于探测所述螺杆(6)的转数的转子位置传感器。
CN201880026854.3A 2017-05-03 2018-03-21 运行用于离合器操纵系统的致动器组件的方法和致动器组件 Pending CN110546406A (zh)

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Application publication date: 20191206