CN111511590B - 机电执行器 - Google Patents

机电执行器 Download PDF

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CN111511590B
CN111511590B CN201880081877.4A CN201880081877A CN111511590B CN 111511590 B CN111511590 B CN 111511590B CN 201880081877 A CN201880081877 A CN 201880081877A CN 111511590 B CN111511590 B CN 111511590B
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CN111511590A (zh
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克尔斯廷·杜尔斯特
曼努埃尔·施密特
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Schaeffler Technologies AG and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B60G21/0553—Mounting means therefor adjustable
    • B60G21/0555—Mounting means therefor adjustable including an actuator inducing vehicle roll
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/42—Electric actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/44—Axial actuator, e.g. telescopic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/442—Rotary actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/427—Stabiliser bars or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8206—Joining by riveting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/60—Load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90—Other conditions or factors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90—Other conditions or factors
    • B60G2400/98—Stabiliser movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/11—Electrostrictive transducers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

本发明涉及一种用于车辆的机电执行器(2)、尤其底盘执行器、例如侧倾稳定器的执行器，机电执行器包括基于逆磁致伸缩原理的转矩测量装置(13)，转矩测量装置具有至少一个电子单元，其中，电子单元具有借助铆接连接部(20)至少间接地与执行器壳体(9)连接的电路板(14)。

Description

机电执行器
技术领域
本发明涉及一种根据权利要求1的前序部分所述的适用于机动车中的机电执行器。
背景技术
这种执行器例如由DE 10 2014 221 129 A1已知。已知的执行器是主动式侧倾稳定器的一部分并且具有电子单元，电子单元包括不同的区段。在此，电子单元的第一区段是能旋转的部件并且第二区段是不能旋转的部件。
具有一起旋转的电子设备部件的主动式侧倾稳定器也由DE 10 2014 222 708 A1已知。在这种情况下，用于测量扭矩的传感器布置在行星齿轮传动机构的行星齿轮支架壁上。电子设备是带有布置在其上的磁场传感器的印刷电路板。
利用逆磁致伸缩效应测量转矩的另一种侧倾稳定器在DE 10 2013 219 761 B3中获知。在这种情况下，除了转矩也考虑关于稳定器的纵轴线的横向力。
此外，在文献DE 10 2015 222 068 A1和DE 10 2015 209 310 A1中描述了用于机动车的机电式侧倾稳定器的不同结构形式。
用于运行磁致弹性的传感器的电路装置在DE 36 20 412 A1中描述。该电路装置应设计成尽可能抑制传感器信号相对传感器线圈和测量物体之间的距离的关系。
由EP 2 013 598 B1已知一种用于在固体执行器中测量力的力测量设备。该力测量设备包括压阻式非晶碳层。
发明内容
本发明的目的是，相比于所述的现有技术尤其在制造技术方面以及在结构空间利用的观点方面改进用于机动车的机电执行器、尤其主动式侧倾稳定器的执行器。
根据本发明，该目的通过具有权利要求1的特征的执行器、例如底盘执行器、尤其侧倾稳定器的执行器实现。执行器在已知的基本方案中包括基于逆磁致伸缩原理的转矩测量装置，转矩测量装置具有至少一个电子单元。根据本发明，电子单元具有借助铆接连接部至少间接地与执行器的执行器壳体连接的电路板。电路板为装配有电子单元的电子构件的印刷电路板。电路板是执行器的不可旋转的部件。
铆接连接部原则上可由为载体元件的一体组成部分的元件制成或由分开的元件、即铆钉制成。在后者的情况下，载体元件优选为平面式的元件，平面式的元件固定地布置在执行器壳体中并且通过多个铆钉与电路板连接。载体元件构造成执行器壳体的一体组成部分也是可能的。在这种情况下，载体元件为金属部件。在其他情况下，载体元件可由金属或由塑料制成。
与制成载体元件的材料或构成载体元件的材料组合无关，在优选的设计方案中，在电路板和载体元件之间形成间隙。该间隙对于电路板的冷却是有利的。此外，间隙改进了以下方案，能够承受在执行器运行时尤其在侧倾稳定器或其他的底盘执行器内可能例如由于机械载荷和/或温度作用出现的变形。
电路板优选如此容纳在执行器壳体中，使得电路板的面法线垂直于执行器的纵轴线。这说明，具有圆柱形的基本形状的执行器壳体的中轴线平行地与电路板间隔开。
执行器尤其适合用作底盘执行器，例如应用在后桥转向机构中或水平调节机构、尤其水平调控机构中。在特别优选的设计方案中，执行器可为用于机动车的主动式侧倾稳定器的执行器。
在执行器构造成侧倾稳定器-执行器的情况下，电路板以节省空间的方式布置在执行器壳体的相比于中间的壳体区域变细的壳体区域中。以这种方式，实际上中间的未变细的壳体区域的整个直径均供侧倾稳定器的生成力的和传递力的部件使用。
在机电执行器中，例如使用无刷直流电动机(BLDC电动机)作为电动机。作为执行器内的减速器，例如能使用多级的行星齿轮传动机构或轴传动机构。
附图说明
下面根据附图详细阐述本发明的实施例。其中示出：
图1示出了机电式侧倾稳定器的俯视图，
图2示出了侧倾稳定器的执行器的局部剖视图，
图3示出了根据图2的装置的细节图。
具体实施方式
总体用附图标记1表示的侧倾稳定器被确定用作机动车中的底盘执行器。关于侧倾稳定器1的原理性功能参考开头引用的现有技术。
侧倾稳定器1包括机电执行器2。执行器2具有圆柱形的基本形状，其中轴线基本上横向于车辆纵轴线。在执行器2上连接两个呈扭杆弹簧形式的稳定器半部3、4，两个稳定器半部借助轴承5、6与未示出的车身耦联。术语“稳定器半部”没有暗指，两个稳定器半部3、4必须设计为相同尺寸。然而，执行器2在底盘中的偏心布置也是可能的。在稳定器半部3、4的背离执行器2的端部处构造有连接件7、8，连接件用于与机动车的车轮支架铰接连接。
机电执行器2的用9表示的执行器壳体在其位于图1中的左侧上具有法兰10，法兰与稳定器半部3连接。在法兰10处连接执行器壳体9的基本圆柱形的中间的壳体区域12。在中间的壳体区域12的根据图1布置的右侧上，在该壳体区域上连接同样圆柱形的变细的壳体区域11。稳定器半部4穿过变细的壳体区域11被引入执行器壳体9中。
转矩测量装置13位于变细的壳体区域11内，转矩测量装置基于逆磁致伸缩原理提供关于在执行器2的内部作用的转矩的信息。
转矩测量装置13包括电路板14，在电路板上布置未示出的电子元件，借此形成电子单元。电路板14借助铆钉16、17固定在载体元件15上。在载体元件15和电路板14之间形成间隙Sp，从而电路板14的大部分从载体元件15升起。在其他情况下，即在铆钉16、17周围的区域中提供支承区域18、19，在支承区域中电路板接触载体元件15。
平面式的载体元件15固定地布置在变细的壳体区域11中、执行器2的用IR表示的内部空间之内。如由图3得知，总体地用20表示的、由铆钉16、17建立的铆接连接部构造得非常节省空间，尤其在与平面式的元件14、15正交的方向上、即在执行器壳体9的径向方向上构造得非常节省空间。执行器2的与稳定器半部3、4的摆动轴线重合的中轴线与电路板14以及载体元件15平行地间隔开。电路板14仅少部分地伸入到中间的壳体区域12中。执行器2的未示出的机电式部件，即电动机以及减速器位于壳体区域12中。
附图标记列表
1 侧倾稳定器
2 执行器
3 稳定器半部
4 稳定器半部
5 轴承
6 轴承
7 连接件
8 连接件
9 执行器壳体
10 法兰
11 变细的壳体区域
12 中间的壳体区域
13 转矩测量装置
14 电路板
15 载体元件
16 铆钉
17 铆钉
18 支承区域
19 支承区域
20 铆接连接部
IR 内部空间
Sp 间隙

Claims (6)

1.用于机动车的机电执行器(2)，所述机电执行器具有基于逆磁致伸缩原理的转矩测量装置(13)，所述转矩测量装置具有至少一个电子单元，其特征在于，所述电子单元具有电路板(14)，所述电路板借助铆接连接部(20)至少间接地与执行器壳体(9)连接，所述铆接连接部(20)包括多个铆钉(16、17)，所述电路板(14)通过所述铆钉固定在与所述执行器壳体(9)连接的、平面式的载体元件(15)上，其中，在所述电路板(14)和所述载体元件(15)之间形成间隙(Sp)，并且其中，在所述铆钉(16、17)周围的区域中设置支承区域(18、19)，所述电路板(14)在所述支承区域中接触所述载体元件(15)，所述电路板(14)至少大部分布置在所述执行器壳体(9)的相比于中间的壳体区域(12)变细的壳体区域(11)中。
2.根据权利要求1所述的执行器(2)，其特征在于，所述载体元件(15)由塑料制成。
3.根据权利要求1所述的执行器(2)，其特征在于，所述载体元件(15)由金属制成。
4.根据权利要求1至3中任一项所述的执行器(2)，其特征在于，所述电路板(14)的面法线垂直于所述执行器壳体(9)的纵轴线。
5.根据权利要求1至4中任一项所述的执行器(2)，其特征在于，所述执行器构造成底盘执行器。
6.根据权利要求5所述的执行器(2)，其特征在于，所述执行器构造成侧倾稳定器的部件。
CN201880081877.4A 2018-02-02 2018-10-16 机电执行器 Active CN111511590B (zh)

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DE102018102380.4A DE102018102380A1 (de) 2018-02-02 2018-02-02 Elektromechanischer Aktuator
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