CN108349482A - 用于液压车辆制动系统的泵组 - Google Patents

用于液压车辆制动系统的泵组 Download PDF

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CN108349482A
CN108349482A CN201680069495.0A CN201680069495A CN108349482A CN 108349482 A CN108349482 A CN 108349482A CN 201680069495 A CN201680069495 A CN 201680069495A CN 108349482 A CN108349482 A CN 108349482A
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hydraulic
pump group
pump
motor
cylinder
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CN108349482B (zh
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M.米克
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/161—Systems with master cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
    • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
    • B60T13/142—Systems with master cylinder
    • B60T13/145—Master cylinder integrated or hydraulically coupled with booster
    • B60T13/146—Part of the system directly actuated by booster pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B60T8/4081—Systems with stroke simulating devices for driver input
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/62—Combined or convertible systems both straight and automatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/10—ABS control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/20—ASR control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/30—ESP control system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/81—Braking systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

本发明涉及一种用于在液压滑动调节的外力车辆制动系统中产生制动压力的泵组。本发明提出一种在电动机（2）与活塞—缸—单元（4）之间的液体传感器（19），在少量的、作为泄漏的、无意间从所述活塞—缸—单元（4）中逸出的制动液量能够在损害电子调节装置（18）的或者所述电动机（2）的功能之前，利用所述液体传感器确定所述泄漏。

Description

用于液压车辆制动系统的泵组
技术领域
本发明涉及一种具有权利要求1的前序部分的特征的、用于液压车辆制动系统的泵组。所述泵组尤其设置用于产生下述制动压力：所述制动压力用于利用外力来操纵液压的、外力-车辆制动系统；和/或用于产生下述制动压力或者用于输送下述制动液，其用于液压车辆制动系统的滑动调节。
背景技术
对于液压车辆制动系统已知滑动调节，例如防抱死调节、驱动滑动调节和行驶动力调节或者电子稳定程序，对于这些而言常用缩写ABS、ASR、FDR和ESP。为此，利用制动压力形成阀和制动压力降低阀来调节液压车辆制动系统的车轮制动器的车轮制动缸中的车轮制动压力，所述制动压力形成阀和制动压力降低阀也被称为进气阀和排气阀。对于车轮个体的压力调节而言，每个车轮制动缸配属有制动压力形成阀和制动压力降低阀，其功能也能够合并在一个阀中。利用肌肉力或者借助于主制动缸——能够具有制动力放大器——的助力和/或利用借助于液压泵——能够利用电动机来驱动——的外力来产生制动压力。这样的滑动调节是众所周知的，在这里不进一步地阐述。示例性地，参照公开文献DE 10 2006026 872 A1。
由国际专利申请WO 2012/150 120 A1已知液压外力车辆制动系统，其具有上文所阐述的类型的滑动调节。在这个车辆制动系统中，利用活塞—缸—单元来产生用于运行制动和用于滑动调节的制动压力，该活塞—缸—单元的活塞能够利用电动机经由机械传动装置来驱动。肌肉力操纵的主制动缸在运行制动时用作用于制动压力或者制动力的额定值传感器，在包括其驱动器在内的该活塞—缸—单元发生故障时用作用于辅助制动的制动压力产生器。该车辆制动系统的液压组件例如电磁阀、止回阀、活塞泵、液压存储器、缓冲室和压力传感器，已经提到的活塞—缸—单元和所述主制动缸安置在液压块中，并且通过该液压块的钻孔而相互液压地连接。在所述液压块处也安置有用于驱动所述活塞泵和该活塞—缸—单元的电动机。这样的液压块不是本发明的强制组成部分，但是是优选的构型方案的特征。
发明内容
根据本发明的、具有权利要求1的前序部分的特征的泵组设置用于液压的、滑动调节的和/或外力车辆制动系统，并且用于产生制动压力和/或用于输送制动液。所述泵组具有电动机和液压泵，该液压泵能够利用所述电动机来驱动。所述液压泵能够具有活塞—缸—单元或者由活塞—缸—单元组成。例如，齿轮泵也可能用作液压泵。此外，能够存在一个或者多个传动装置，经由所述一个或者多个传动装置所述电动机驱动所述液压泵。所述传动装置能够具有减速器，该减速器降低转速并且转化力矩。所述传动装置能够具有螺旋传动装置或者其它传动装置，该其它传动装置将该电动机的旋转的驱动运动转化为用于往复驱动在该液压泵的缸（反之亦然）中的或者在活塞—缸—单元中的活塞的推移。
根据本发明，所述泵组具有液体传感器，用于确定从所述液压泵中或者也从其它液压组件中逸出的制动液。在所述制动液损害例如用于控制或者调节制动压力或者制动力的和/或用于滑动调节的电子部件或者使该电子部件停止运转之前，或者在所述制动液进入所述电动机之前，所述液体传感器能够确定逸出的制动液。对逸出的制动液的确定能够例如通过在该泵组的电子部件的电路板上进行电阻测量来实现，在所述电路板处，逸出的并且到达所述电路板上的制动液减小电阻或者产生欧姆连接。
从属权利要求具有对于保护主题的、在权利要求1中给出的本发明的有利的构型方案和改型方案。
附图说明
下面，根据在附图中示出的实施方式详细阐述本发明。唯一的附图示出根据本发明的泵组的线路图。
具体实施方式
附图所示的、根据本发明的泵组1具有电动机2、传动装置3和作为液压泵10的活塞—缸—单元4，该液压泵能够利用所述电动机2经由所述传动装置3来驱动。所述传动装置3具有行星传动装置5和螺旋传动装置6。所述行星传动装置5安置在该电动机2的壳体7中并且用作减速器，该减速器降低该电动机2的转速并且转化该电动机2的力矩。所述电动机2经由所述行星传动装置5驱动所述螺旋传动装置6，该螺旋传动装置能够例如实施为滚珠丝杠。所述螺旋传动装置6将该行星传动装置5的旋转运动转化为推移，并且驱动该活塞—缸—单元4的活塞8进行在轴向上在该活塞—缸—单元4的缸9中来回的往复运动。因此，所述螺旋传动装置6通常也能够理解为转换器或者转换传动装置，该转换传动装置将旋转运动转化为推移。该活塞8在所述缸9中的来回的往复运动将制动液交替地挤出和吸进所述缸9，由此产生制动压力和/或输送制动液，如由活塞泵已知的那样。所述活塞—缸—单元9能够因此也被理解为活塞泵并且通常被理解为液压泵10。所述活塞—缸—单元9与所述电动机2和所述传动装置3一起形成泵组11，该泵组用于产生用于运行制动的制动压力，利用液压外力车辆制动系统12，其利用外力。此外，所述泵组11还用于产生制动压力和/或用于输送制动液用以利用所述液压车轮制动系统12进行滑动调节。
所述泵组11安置在液压块13处或者中，该液压块用于机械地紧固并且液压地连接制动力调节装置的液压组件14。除了所述泵组11之外，这样的液压组件14是电磁阀、止回阀、液压存储器和缓冲室，这些在附图中象征性地通过电磁阀示出。
液压车轮制动器15与所述液压块13连接，所述液压车轮制动器的车轮制动压力能够车轮个体地利用所述液压组件14来调节。
除了所述液压组件14和所述泵组11之外，在所述液压块13中布置有肌肉力能够操纵的主制动缸16，该主制动缸用于当该泵组11发生故障时进行辅助制动。正如已说过的那样，通过外力实现运行制动，用于运行制动的制动压力利用所述泵组11来产生。对于运行制动而言，所述主制动缸16仅用作用于制动压力的额定值传感器，该制动压力利用所述液压组件14来控制或者调节。同样地，利用所述液压组件14来实现滑动调节，车轮个体的制动压力调节利用所述液压组件是可能的。这样的滑动调节例如是防抱死调节、驱动滑动调节、行驶动力调节和/或电子稳定程序，对于这些而言常用缩写ABS、ASR、FDR和ESP。这样的滑动调节和用于利用外力的运行制动的制动力调节是众所周知的，在这里不进行详述。
同样地，已知液压外力车辆制动系统和/或滑动调节的车辆制动系统的液压块13。典型地，它是扁平的、方形的金属块，多数情况下由铝合金制成，所述金属块的厚度大约是宽度或者长度的1/4至1/3。通过切削加工，所述液压块13具有直径分层的或者未分层的盲孔和/或通孔，用以容纳所述液压组件14、所述主制动缸16和所述活塞—缸—单元4，他们通过该液压块13的钻孔相互液压连接。替代所示出的单回路主制动缸16地，所述液压块13也能够具有双回路或者多回路主制动缸（未示出）。
在低压侧或者无压侧上，该活塞—缸—单元4的缸9与容器17连通，可能的泄漏液体、即从所述活塞—缸—单元4中无意间逸出的制动液积聚在所述容器中。
为了控制或者调节制动力或者制动压力，所述液压块13具有电子调节装置18，该电子调节装置也能够被理解为电子控制器。所述电子调节装置18控制或者调节所述液压组件14和所述泵组11，其中，车轮个体的制动力调节和制动压力调节是可能的。所述液压块13具有强制的或者无论如何都要设置的安装位置，在所述安装位置中，所述电子调节装置18位于所述活塞—缸—单元4下方，位于所述传动装置3和/或所述电动机2下方。所述电子调节装置18具有液体传感器19，在无意间从所述活塞—缸—单元4中逸出的制动液进入所述电动机2之前，能够利用所述液体传感器确定所述制动液。例如，对在该电子调节装置18的电路板上的两点之间的电阻进行测量，所述电路板由于可能的制动液而变得导电。在此，所述制动液量如此小，使得该电子部件的功能不受损害。别的液体传感器19也是可能的。借助于该液体传感器19能够在已经有少量的制动液从所述缸9中逸出时给出进行必要的保养或者维修的提示，所述少量的制动液不会损害该电子调节装置18的和该电动机2的功能。

Claims (9)

1.用于液压车辆制动系统的泵组，其具有电动机（2）和液压泵（10），所述液压泵能够利用所述电动机（2）来驱动，其特征在于液体传感器（19），所述液体传感器用于确定逸出的制动液。
2.根据权利要求1所述的泵组，其特征在于，所述液体传感器（19）布置在所述液压泵（10）与所述电动机（2）之间。
3.根据权利要求1所述的泵组，其特征在于，所述液体传感器（19）在所述泵组（13）的安装位置中布置在所述液压泵（10）和/或所述电动机（2）下方。
4.根据权利要求1所述的泵组，其特征在于，所述泵组（11）具有传动装置（3），所述传动装置能够利用所述电动机（2）来驱动并且所述传动装置驱动所述液压泵（10）。
5.根据权利要求1所述的泵组，其特征在于，所述液压泵（10）具有活塞—缸—单元（4）。
6.根据权利要求1所述的泵组，其特征在于，所述泵组（11）具有液压块（13），所述液压块用于机械地紧固和液压地连接所述电动机（2）、所述液压泵（10）和机动车制动系统的制动力调节装置的液压组件（14）。
7.根据权利要求6所述的泵组，其特征在于，所述液压块（13）具有主制动缸（16）。
8.根据权利要求1所述的泵组，其特征在于，所述泵组（11）具有电子调节装置（18）。
9.根据权利要求8所述的泵组，其特征在于，所述电子调节装置（18）具有液体传感器（19）。
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