WO2015149767A1 - Actionneur de commande - Google Patents

Actionneur de commande Download PDF

Info

Publication number
WO2015149767A1
WO2015149767A1 PCT/DE2015/200129 DE2015200129W WO2015149767A1 WO 2015149767 A1 WO2015149767 A1 WO 2015149767A1 DE 2015200129 W DE2015200129 W DE 2015200129W WO 2015149767 A1 WO2015149767 A1 WO 2015149767A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
betätigungsaktuator
interior
piston
fluid
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.)
Ceased
Application number
PCT/DE2015/200129
Other languages
German (de)
English (en)
Inventor
Alexander Dreher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to DE112015001633.3T priority Critical patent/DE112015001633A5/de
Publication of WO2015149767A1 publication Critical patent/WO2015149767A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B60T8/4018—Pump units characterised by their drive mechanisms

Definitions

  • the invention relates to an actuation actuator, such as in particular a hydraulic actuation actuator.
  • Actuator actuators are known in motor vehicles, for example, for actuating the clutch, a transmission or other units.
  • hydraulic actuating actuators which actuates a clutch via a hydraulic actuating path. It is distinguished between a pressure chamber and a pressure medium reservoir, which are connected to each other via a sniffer bore. If the sniffer bore is run over in the direction of the pressure chamber, the pressure chamber is sealed by the pressure medium reservoir and a volume compensation can no longer take place.
  • three arranged seals are provided according to DE 10 2013 204 561 A1. Two of the three seals are arranged axially one behind the other. In this case, seals a first of the seals the pressure chamber in an operation against the sniffer bore and the other second seal seals the space of the electric motor against the pressure medium reservoir.
  • the second seal is particularly critical in terms of leakage losses, because it seals against the atmosphere.
  • An embodiment of the invention relates to an actuating actuator having a housing with a housing interior, in which a drive motor and a piston-cylinder unit and a pressure medium reservoir are arranged, wherein the piston-cylinder unit has a cylinder chamber with a piston arranged therein displaceable, wherein the cylinder chamber is part of the housing interior and can be sealed by a seal connected to the piston, wherein the pressure medium reservoir forms a common volume with the housing interior, wherein a control unit is integrated in the housing, which is arranged in the housing interior flooded with a pressure medium fluid or a drying space sealed thereto.
  • an actuating actuator can be created, which due to the Integration of the pressure medium reservoir with respect to the seals to be used is simplified, and which is further simplified by the integration of the control unit in the housing. If the control unit is also integrated into the pressure medium bath, it is furthermore possible to achieve advantageous cooling of the electronics of the control unit.
  • a plug can be provided which serves for the electrical contacting of the control unit and / or the drive motor, the fluid filling of the
  • housing interior can be done via the plug.
  • the electrical connector is used in a further function as an element which the filling of
  • the plug has a fluid opening or a fluid line, which communicates with the housing interior.
  • the plug is preferably formed with at least one opening to the housing interior, so that when placing a fluid line to the plug of the housing interior via the plug can be filled. Alternatively it can be connected to the plug, a fluid line, which from the plug into the
  • Housing interior is sufficient to allow filling via the plug.
  • substantially the entire interior of the housing is filled with the pressure medium fluid during operation of the actuating actuator. This can be achieved that elaborate seals can be omitted or can be replaced by simpler seals elsewhere. Also, as mentioned above, a cooling of the drive motor and / or control unit can be achieved, whereby a lubrication of the engine or a possibly used transmission can be done.
  • the control unit can be arranged in the drying room, so that it is not arranged in the bath of the pressure medium fluid.
  • the cooling can nevertheless be achieved in that the control unit is arranged on a wall on which at least the pressure medium for cooling is present or flows along on the other side of the wall. Therefore, it is also particularly advantageous if the drive motor and / or the control unit is arranged in the bath of the pressure fluid during operation of the Betuschistsaktuators.
  • the housing has a housing cover, which is placed on the housing and which closes a housing opening, wherein the housing cover has a flexible volume compensation element is particularly advantageous.
  • a filling through an opening or a filler neck can be achieved, which can be closed by means of the lid.
  • the cover and the volume compensation element arranged thereon can advantageously be carried out a volume compensation with variable level during operation.
  • the housing has a housing wall which is part of the housing and which has a flexible volume compensation element.
  • a volume compensation can take place without a housing cover having to be provided in which, for example, a flexible membrane or the like is provided flexibly on the housing wall and adapts to it when the volume changes.
  • the flexible volume compensation element comprises a flexible bellows or a flexible membrane.
  • Housing parts are connected together and at a junction of housing parts a static seal is arranged for sealing. As a result, simpler seals can be provided in comparison to motion seals, which reduces costs.
  • the drive motor is surrounded by a motor-side housing part, wherein the motor-side housing part is connected to the rest of housing and by means of a static seal, the motor-side housing part is arranged sealed to the rest of the housing.
  • a simple sealed connection can be achieved.
  • the drive motor is an electric motor.
  • FIG. 1 shows a schematic perspective view of an actuating actuator
  • FIG. 2 shows a schematic sectional view of the actuating actuator
  • FIG. 3 is a schematic view of another Betsch institutesaktuators
  • Figure 4 is a schematic view of a detail of the Betuschistsaktuators.
  • FIGS. 1 to 4 show various embodiments of a Betjanistsaktuators 1 partly in different views. The same parts are designated by the same reference numerals.
  • Figures 1 and 2 show the Betreli Trentsaktuator 1 with a housing 2, which encloses the active or movable components of the actuator and the pressure medium fluid volumes.
  • the housing has on one side an electronics housing 3 with electronics arranged therein of a control unit, wherein the control unit is contactable by means of a plug, wherein adjacent to the electronics housing 3, a plug 4 is provided.
  • the plug 4 may be formed as a female or male plug, in which a respective other connector engages to produce an electrical connection.
  • the electrical connection is a power power supply and / or a data connection for the transmission of data or signals.
  • the housing 2 comprises a drive housing, which is formed in the case of the embodiment shown as an electric motor housing 5.
  • a drive housing which is formed in the case of the embodiment shown as an electric motor housing 5.
  • the housing drive is arranged here as an electric motor.
  • a Drucksensoran- circuit 6 and a fastening eye 7 is provided for fastening the Betreliistsaktuators 1, for example, to a motor vehicle.
  • a pressure sensor 8 is mounted at the pressure sensor port 6, which leads to a slave cylinder 1 1 of a disengaging device 12 of a clutch 13.
  • the housing 2 further comprises a housing part 14 as a pressure medium housing, which is connected to the housing 5 of the electric motor.
  • a pressure medium reservoir 15 is arranged, which is closable by a housing cover 16.
  • the housing cover 16 is formed in the illustrated embodiment as a screw cap. However, it can also be otherwise connected to the housing 2.
  • the housing cover has a volume compensation element 17, which allows for volume expansion or volume reduction volume compensation.
  • the volume compensation element 17 is designed as a flexible bellows, which is in particular spring-biased. and biased in the direction of the fluid pressure fluid 18 in the reservoir 3. As a result, it can be moved into the reservoir in the event of volume reduction and be moved out of the reservoir when the volume is increased.
  • housing 2 consists essentially of the housing parts 2 and 14, which are sealed together at their interface by means of the seal 19.
  • This seal 19 is preferably an O-ring seal or the like, so a static seal.
  • the seal 19 is located in a receptacle of the housing 5, which engages in the housing 14, so that the seal 19 sealingly abuts between the two housings 5 and 14.
  • the electric motor 20 is arranged in the sub-housing 5 and has a stator 21 and a rotor 22 which is rotatably supported in the housing 5 by means of the bearing 23.
  • a transmission 25 is provided to implement the rotational movement of the rotor 22 in an axial movement of the piston 24 .
  • This gear 25 is a spindle gear in the embodiment, which is formed with a rotatable spindle 26.
  • a rotary support 27 is provided in the housing 5.
  • a spindle-resistant rotary support 29 is provided, which is arranged as a kind of cap at the end of the spindle 26.
  • the electronics housing 3 comprises a circuit board 28, which may represent the control unit or may be part of it.
  • a further static seal 30 is provided, which is arranged between the wet space of the reservoir 15 and the drying space 51 of the electronics. It can also be designed as an O-ring seal. Alternatively, the seal 30 can also be omitted or arranged between the housing part of the electronics housing 3 and the motor housing 5, so that the interior of the electronics housing 3 also becomes the wet room and the electronics of the control unit, such as the board 28, or the control unit as such in the bathroom the pressure fluid is.
  • the piston 24 is fixed to one end of the spindle 26 and has a receptacle in which the spindle 26 engages and wherein the spindle is mounted.
  • a movement seal 32 is arranged connected to the piston 24.
  • a static sealing lip is supported on the piston 24 and a movement sealing lip on the wall 33 of the cylinder chamber 31st
  • a Referenzierfeder 34 is arranged with a spring cup 35, which is supported on the one hand on the housing 2 and 14 and on the other hand on the piston 24 or on the piston rod.
  • the piston rod is designed as the spindle 26.
  • the Referenzierfeder 34 is designed as a plate spring and causes a defined restoring force on the piston 24 in the region of its one end position.
  • FIG. 3 shows a further exemplary embodiment of an actuation actuator 100 according to the invention, in which instead of the cover 16 of FIG. 1, a housing wall 101 is provided. Within the housing wall 101, a membrane 102 is arranged, which is flexible and can expand depending on the volume in the housing interior 103.
  • housing interior 104 of the electronics housing 105 is filled with fluid pressure and thus acts as a wet room and the electronics of the control unit, such as the board 106, or the control unit as such in the bathroom
  • Pressure fluid 107 is.
  • FIG. 4 shows a further exemplary embodiment of an actuation actuator 200 according to the invention with a housing 201, in which instead of the cover 16 of FIG. 1, a housing wall 202 is provided.
  • a membrane 203 is arranged, which is flexible and can expand depending on the volume in the housing interior 204.
  • the filling of the housing interior 204 is performed via the plug 205, which leads with an opening or fluid line into the interior, so that a fluid connection can be generated in order to fill the Betuschistsaktuator can.
  • a plugged into the plug 205 second connector can seal the housing to the outside static against the environment.
  • the housing interior 206 of the electronics housing 207 can be filled with fluid pressure and thus can act as a wet room and the electronics of the control unit, such as the board 208, or the control unit, can be in the bath of the fluid.
  • the electronics housing may also be sealed and the electronics of the control unit or the control unit would be arranged in the dry.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)

Abstract

L'invention concerne un actionneur de commande muni d'un corps présentant un espace intérieur dans lequel sont disposés un moteur d'entraînement, une unité piston-cylindre et un réservoir de fluide sous pression, l'unité piston-cylindre comprenant une chambre de cylindre dans laquelle un piston est monté de façon à pouvoir se déplacer, la chambre de cylindre faisant partie de l'espace intérieur du corps et son étanchéité pouvant être assurée par un joint relié au piston, le réservoir de fluide sous pression formant un volume commun avec l'espace intérieur du corps, corps dans lequel est intégrée une unité de commande qui est disposée dans l'espace intérieur du corps, rempli d'un fluide sous pression, ou dans un espace sec dont l'étanchéité a été assurée.
PCT/DE2015/200129 2014-04-01 2015-03-09 Actionneur de commande Ceased WO2015149767A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112015001633.3T DE112015001633A5 (de) 2014-04-01 2015-03-09 Betätigungsaktuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014206131 2014-04-01
DE102014206131.8 2014-04-01

Publications (1)

Publication Number Publication Date
WO2015149767A1 true WO2015149767A1 (fr) 2015-10-08

Family

ID=52874907

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/200129 Ceased WO2015149767A1 (fr) 2014-04-01 2015-03-09 Actionneur de commande

Country Status (2)

Country Link
DE (1) DE112015001633A5 (fr)
WO (1) WO2015149767A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107826097A (zh) * 2017-11-29 2018-03-23 吉林大学 一种基于双转子电机的电动助力制动系统
WO2018190709A1 (fr) 2017-04-13 2018-10-18 Retter Helfer Medical B.V. Dispositif configuré pour transporter un corps humain

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000697A1 (fr) * 1979-09-15 1981-03-19 Lucas Industries Ltd Actionneur de frein d'un vehicule et systeme de freinage
US5000295A (en) * 1987-03-26 1991-03-19 Bendix France Electrically controlled brake actuator
DE19644441A1 (de) * 1995-10-25 1997-04-30 Lucas Ind Plc Elektrisch betätigte Scheibenbremsanordnung für Fahrzeuge
DE19741867C1 (de) * 1997-09-23 1998-06-18 Daimler Benz Ag Bremsaktuator
DE102004032198A1 (de) * 2003-07-03 2005-04-14 Advics Co., Ltd., Kariya Bremshydrauliksteuereinheit
DE102013204561A1 (de) 2012-04-12 2013-10-17 Schaeffler Technologies AG & Co. KG Dichtungsanordnung
EP2674638A2 (fr) * 2012-06-12 2013-12-18 Siemens Aktiengesellschaft Frein et unités d'actionnement pour le freinage

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000697A1 (fr) * 1979-09-15 1981-03-19 Lucas Industries Ltd Actionneur de frein d'un vehicule et systeme de freinage
US5000295A (en) * 1987-03-26 1991-03-19 Bendix France Electrically controlled brake actuator
DE19644441A1 (de) * 1995-10-25 1997-04-30 Lucas Ind Plc Elektrisch betätigte Scheibenbremsanordnung für Fahrzeuge
DE19741867C1 (de) * 1997-09-23 1998-06-18 Daimler Benz Ag Bremsaktuator
DE102004032198A1 (de) * 2003-07-03 2005-04-14 Advics Co., Ltd., Kariya Bremshydrauliksteuereinheit
DE102013204561A1 (de) 2012-04-12 2013-10-17 Schaeffler Technologies AG & Co. KG Dichtungsanordnung
EP2674638A2 (fr) * 2012-06-12 2013-12-18 Siemens Aktiengesellschaft Frein et unités d'actionnement pour le freinage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018190709A1 (fr) 2017-04-13 2018-10-18 Retter Helfer Medical B.V. Dispositif configuré pour transporter un corps humain
CN107826097A (zh) * 2017-11-29 2018-03-23 吉林大学 一种基于双转子电机的电动助力制动系统
CN107826097B (zh) * 2017-11-29 2019-02-05 吉林大学 一种基于双转子电机的电动助力制动系统

Also Published As

Publication number Publication date
DE112015001633A5 (de) 2017-02-23

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