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WO2010060725A1 - Frein à disque actionnable électromécaniquement pour véhicules automobiles - Google Patents

Frein à disque actionnable électromécaniquement pour véhicules automobiles Download PDF

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Publication number
WO2010060725A1
WO2010060725A1 PCT/EP2009/064291 EP2009064291W WO2010060725A1 WO 2010060725 A1 WO2010060725 A1 WO 2010060725A1 EP 2009064291 W EP2009064291 W EP 2009064291W WO 2010060725 A1 WO2010060725 A1 WO 2010060725A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
electric motor
caliper
brake
disc brake
Prior art date
Application number
PCT/EP2009/064291
Other languages
German (de)
English (en)
Inventor
Andreas Heise
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Publication of WO2010060725A1 publication Critical patent/WO2010060725A1/fr

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
    • B60T13/741—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 an ultimate actuator
    • 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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • 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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • 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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D2066/005—Force, torque, stress or strain
    • 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
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/44—Mechanical mechanisms transmitting rotation
    • F16D2125/46—Rotating members in mutual engagement
    • F16D2125/48—Rotating members in mutual engagement with parallel stationary axes, e.g. spur gears
    • 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
    • F16D2127/00—Auxiliary mechanisms
    • F16D2127/06—Locking mechanisms, e.g. acting on actuators, on release mechanisms or on force transmission mechanisms
    • 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
    • F16D2129/00—Type of operation source for auxiliary mechanisms
    • F16D2129/06—Electric or magnetic
    • F16D2129/08—Electromagnets

Definitions

  • the invention relates to an electromechanically actuated disc brake for motor vehicles according to the preamble of claim 1.
  • an actuating unit for an electromechanically actuated disc brake which comprises an electric motor, a first and second reduction gear and an electronic control unit, wherein the electronic control unit at least partially disposed between the electric motor and the second reduction gear receiving housing is.
  • the electric motor in a motor housing, the first and the second reduction gear are each arranged in a separate gear housing and the electronic control unit in a plastic housing.
  • the actuating unit is associated with an electronic control unit having a circuit carrier which serves directly or indirectly to drive the electric motor.
  • the invention is based on the idea of arranging the two transmissions of the electromechanically actuated disc brake directly in or on the brake caliper housing, so that the caliper housing is the carrier of the associated force-generating and force-generating components.
  • the first gear or at least parts thereof are arranged in a housing-like recess of the brake caliper housing and the second gear directly to an end face of the caliper housing.
  • the caliper housing can be made in one piece or in several pieces.
  • An advantage of the invention is the great structural stability as well as the small number of components, e.g. can be dispensed with gear housing.
  • a further advantage lies in the low mechanical tolerances (for example in production), since the construction takes place essentially directly on or in the fifth wheel housing.
  • the second gear on the brake pads facing away from the front side of the caliper housing this corresponds to the lying in the direction of the vehicle longitudinal axis Side, arranged.
  • the second transmission is designed as a gear transmission.
  • the first gear is preferably designed as a ball screw.
  • the front side of the caliper housing is provided according to an embodiment of the invention with a housing cover, wherein the circuit carrier of the electronic control unit of the electromechanical brake between the housing cover and the end face of the caliper housing is arranged.
  • This integration of the circuit carrier in the caliper housing leads to an even more compact design.
  • the circuit carrier between the housing cover and the second transmission is arranged so that the mechanical components are arranged adjacent to each other and the circuit carrier can be connected as easily as possible.
  • the housing cover particularly preferably covers the entire end face of the brake caliper housing with the second gear.
  • a separating means is arranged between the circuit carrier and the mechanical components, in particular the second gear and / or the electric motor.
  • the electronic components of the electronic control unit are protected from abrasion particles and lubricants of the mechanical components.
  • the release agent can also be designed as a protective film or as a lacquer coating on the circuit carrier.
  • a connector in the housing cover is arranged according to a preferred embodiment of the disc brake, which is directly electrically connected to the circuit carrier of the electronic control unit.
  • the circuit carrier of the electronic control unit is preferably connected via at least one connecting means directly mechanically and electrically connected to the metallic caliper housing. It is understood that in multi-piece design of the caliper housing, the circuit substrate is connected via at least one connecting means directly mechanically and electrically connected to at least a portion of the caliper housing.
  • the circuit carrier is connected to the front side of the caliper housing.
  • the connecting means is e.g. designed as a metal pin or a metallic protrusion or a screw.
  • the electric motor is arranged in a housing-like recess of the caliper housing, so that this is integrated into the caliper housing.
  • the electric motor is arranged with a motor housing on the front side of the caliper housing.
  • the electric motor to achieve the most compact design advantageously between the end face of the caliper housing and a brake caliper leg is arranged, which preferably corresponds to the side facing away from the housing cover.
  • the electric motor is preferably arranged adjacent to the electronic control unit, wherein the Electric motor can be separated by a release agent of the control unit.
  • the electrical contact between the electric motor and circuit carrier can then be designed simply as a plug connection between the circuit carrier and the electric motor.
  • the latter comprises, according to a development of the invention, a magnetic field generating element arranged on the shaft of the electric motor and a sensor element cooperating with the magnetic field generating element.
  • the sensor element is arranged directly on the circuit carrier of the electronic control unit so that no further electrical connection lines are necessary for the motor position sensing.
  • the caliper housing is advantageously made of aluminum.
  • the caliper housing is e.g. made of inexpensive Spheroguss.
  • the electromechanical disc brake comprises an electrically controllable locking coil with an armature, which preferably allows locking of the rotor of the electric motor.
  • the locking coil is contacted to the circuit carrier of the electronic control unit.
  • At least one recess is arranged in the rotor of the electric motor, with which a locking bolt, which is arranged on the armature of the locking coil, is brought into engagement when the locking bolt is moved in the direction of the rotor of the electric motor during locking.
  • at least one means for determining the application force and / or torsional force of the disc brake is provided in the brake caliper, wherein the means comprises a deflection means disposed in a recess in the caliper housing and a detection means cooperating with the deflection means, which on the circuit carrier the electronic control unit is arranged comprises.
  • the deflection means is arranged in the recess such that at least a part of the deflection means moves on actuation of the disc brake, wherein the movement or the position of the deflection means is detected by the detection means.
  • the deflection means is arranged in a recess in the region of the bridge portion of the caliper housing.
  • the deflection means and the detection means preferably cooperate according to a magnetic or electromagnetic action principle.
  • the electric motor is advantageously controlled by the electronic control unit such that the brake squeal and / or Bremsenrubbeln is terminated or reduced.
  • the electric motor is e.g. driven in antiphase or brought to a slightly raised or lowered force level to reduce or eliminate the disturbing effects.
  • the circuit carrier preferably comprises connections for data buses, power semiconductor elements for motor and / or locking magnet control and sensors, and particularly preferred evaluation circuits for these sensors.
  • the circuit carrier is preferably connected to the caliper housing (part of the caliper housing) via connecting means and also to electrical connectors, e.g. already provide an electrical contact for the electric motor or the locking magnet attached. Likewise, however, additionally or alternatively, attachment to a housing cover is preferred.
  • the electric motor and a part of the second transmission relative to the longitudinal axis of the first transmission are arranged offset radially.
  • the electric motor is preferably arranged axially parallel to the longitudinal axis of the first transmission.
  • FIG. 1 shows a first embodiment of a caliper
  • FIG. 6 shows a detail of a third embodiment of a caliper
  • FIG. 7 shows various embodiments of a means for determining a clamping force of a caliper according to the invention
  • Fig. 8 further embodiments of a means for
  • FIG. 9 shows a further embodiment of a means for determining a clamping force of a caliper
  • FIG. 10 shows two embodiments for mounting a brake pad carrier on a brake caliper according to the invention
  • FIG. 11 is a detail of a fourth embodiment of a caliper
  • FIG. 13 shows various electric motor contacts
  • Fig. 14 shows a detail of a sixth embodiment
  • Fig. 15 shows a detail of a seventh embodiment.
  • Brake caliper 32 is suitable for implementing an operating as well as a parking brake function.
  • Brake caliper 32 is designed as a floating caliper, i. it is mounted displaceably via a guide sleeve 27 of a bolt guide, not shown, on a brake holder fixed to the vehicle relative to the application direction of the disc brake.
  • Brake caliper 32 engages with a bridge portion 28 a brake disc, not shown, as well as both sides of the brake disc on the brake caliper 32 by friction lining 34 arranged friction linings 29 which cooperate tribologically with the brake disc in a known manner.
  • a second friction lining which is connected to a relative to the vehicle axle axially outboard caliper leg 35, by the action of a in the actuation of the Arrangement of the brake caliper 32 applied reaction force pressed against the opposite side surface of the brake disc.
  • the exemplary actuator consists essentially of the following components: an electric motor 2, a multi-stage transmission (eg reduction gear), which consists of a first friction lining actuated first gear 26 (eg a rotational-translation gear) and a between the electric motor 2 and the first Transmission 26 operatively connected second transmission 6 (for example, a rotational-rotational transmission), and an electronic control unit, which comprises at least one circuit substrate 3.
  • an electric motor 2 a multi-stage transmission (eg reduction gear), which consists of a first friction lining actuated first gear 26 (eg a rotational-translation gear) and a between the electric motor 2 and the first Transmission 26 operatively connected second transmission 6 (for example, a rotational-rotational transmission), and an electronic control unit, which comprises at least one circuit substrate 3.
  • a multi-stage transmission eg reduction gear
  • a first friction lining actuated first gear 26 eg a rotational-translation gear
  • second transmission 6 for example, a rotational-rotational transmission
  • the caliper housing 1 of the caliper 32 consists for example of aluminum or Spheroguss.
  • the caliper housing may be integrally formed (1) or multi-piece (1, 1 ', 1'', I 1 '').
  • the rotary rotation gear 6 is e.g. as a gear transmission, preferably as a two-stage gear train formed.
  • the rotation-translation gear 26 is e.g. designed as a ball screw.
  • the first gear 26 for translationally applying the braking force is integrated in the caliper housing 1, i. it is arranged in a housing-like recess of the caliper housing 1.
  • the carriers for axles of the second gear 6 are arranged directly (see FIG. 5a) for a more detailed illustration) or indirectly (see FIG. 5b) for a more detailed illustration) on an (inner) end face 36 of the caliper housing 1.
  • the second gear 6 may also be arranged at least partially in a (further) recess of the fifth wheel housing 1. This may be e.g. to act around a raised edge of the seat housing 1, which includes the second gear 6.
  • the caliper housing 1 is thus the carrier of all essential power and force generating components.
  • the gears are not arranged in exclusive gearboxes.
  • the caliper housing 1 or 1, 1 ' is closed at the end face 36 (inwards) with a housing cover 4.
  • the housing cover 4 as a metallic sheet metal lid, which may for example be deep drawn executed, which is applied over the caliper housing 1 or 1, 1 'and is fixed there, for example by rolling or caulking or partial Einscheren.
  • a seal between cover 4 and saddle housing 1 may be arranged or represent a positive connection of the cover 4 and saddle housing 1, the seal.
  • the electronic control unit and thus the circuit carrier 3 of the electronic control unit is, for example, between the end face 36 and the housing cover 4, arranged in the embodiment shown in FIG. 1 between the second gear 6 and the housing cover 4.
  • the electronic circuit substrate 3 is integrated in such a way that it also at least partially uses the saddle housing 1 or 1, 1 'as a housing.
  • the circuit carrier 3 is in close proximity to the end face 36 of the brake caliper housing 1 or 1, 1 'and thus to the second gear 6 and thus also to the electric motor 2.
  • the circuit carrier 3 directly to the arranged in or on the caliper housing 1 components be electrically connected and / or carry various sensor elements for determining positional positions or movements of arranged in or on the caliper housing 1 components.
  • At least one separating means 33 is arranged between the force-generating or force-generating components of the actuating unit, eg the second gear 6 and / or the electric motor 2, and the circuit carrier 3, for example a protective foil or an apron or a protective cap, which is used for the passage of components, eg electrical contacts, can have recesses.
  • the release agent 33 By the release agent 33, the electronic components of the electronic control unit from abrasion particles, lubricants or the like of the mechanical components (eg, the transmission 6) protected.
  • the release means 33 creates the possibility of supporting transmission shafts via a bearing (see FIG. 5b)).
  • a lacquer coating can be located on the circuit carrier 3 for protection.
  • the electric motor 2 is, for example, an electronically commutated DC motor (brushless BLDC motor).
  • the electric motor can be implemented as a part motor (for example, without a motor housing) or as a complete motor, and can be inserted or attached from any side into or onto the housing 1 or 1, 1 ', etc.
  • the electric motor 2 is integrated into the caliper housing 1, here introduced according to the example of the side of the rotary rotary gear 6 ago.
  • the electric motor 2 is mounted by means of a motor housing 37 on the (inner) end face 36 of the caliper housing 1.
  • the motor housing 37 as shown in Fig. 5a) protrude outward (in the direction of the brake pads) protrude.
  • the motor housing 37 also protrude inwards (in the direction of the circuit carrier 3 or cover 4) (exemplary embodiment not shown).
  • the electric motor 2 is attached by means of a motor housing 37 to an outer caliper housing part 1 'of the caliper housing.
  • the electric motor 2 is integrated in the brake caliper housing 1, ie, the electric motor 2 is housed in a housing-like recess of the caliper housing Saddle housing 1 is arranged.
  • Electric motor 2 comprises a stator 16 which is immovable, and a rotor 7 which is connected to a shaft 17 which is operatively connected to the second gear 6, which is shown only partially in Fig. 2, in the form of a gear 8 ,
  • the movement of the motor shaft 17 is transmitted, for example, via a motor pinion 9 to the gear 8 of the second gear 6, which is mounted directly or via radial bearings on the end face 36 of the seat housing 1.
  • the bearing of the rotor 7 serve, for example, two radial bearings 38, of which at least one can also absorb axial forces in order to fix the rotor in the axial direction.
  • the brushless motor 2 is scanned, for example, with a position detection system which serves to determine the current position (rotational) of the rotor 7.
  • the position detection system consists of a (directly) arranged on the circuit substrate 3 sensor element 10, e.g. a Hall or magnetoresistive sensor element, and arranged on the motor shaft 17 magnet 11.
  • sensor element 10 e.g. a Hall or magnetoresistive sensor element
  • Sensor element 10 is advantageously part of an IC (integrated circuit) for determining the motor position, which is arranged on the circuit carrier 3.
  • circuit carrier 3 is mechanically and electrically connected at one or more points directly to the caliper housing 1 or part of the caliper housing 1 '.
  • the connection is eg as a metal pin 12 or a press-fit connector 12 'or a metallic protrusion or screws or combinations thereof.
  • the circuit substrate 3 can be mechanically positioned and at the same time maintains a good contact with ground (saddle housing mass).
  • the electromechanically actuated disc brake further comprises an electric locking magnet 18 with an armature 19. Their operation will be explained below with reference to FIG. 12 in more detail.
  • a second section of the first embodiment is shown schematically.
  • the first gear 26 is integrated into the caliper housing 1.
  • the rotation-translation gear 26 is formed as a ball screw, which is mounted directly in the caliper housing 1.
  • the ball screw consists of a threaded nut 30 and a threaded spindle 31, wherein between the threaded nut 30 and the threaded spindle 31 a plurality of unspecified balls are arranged, which rotate during a rotational movement of the threaded spindle 31 and the threaded nut 30 in an axial or translational movement offset.
  • the arrangement is preferably made such that the rotor 7 and the shaft 17 of the electric motor 2 with the interposition of the second gear 6, the threaded spindle 31 drives, ie gear 8 drives gear 24, while the threaded nut 30 on the first friction lining, not shown 29 (directly or indirectly).
  • the threaded nut 30 itself or at least part of the threaded nut 30 forms the actuating element or the threaded nut 30 acts on the friction lining carrier 34 via an actuating element (eg power transmission plate).
  • first gear 26 in the form of a ball screw conceivable in which the rotor 7 and the shaft 17 of the electric motor 2 drives the threaded nut with the interposition of a second gear 6, while the threaded spindle cooperates by means of a push rod with an actuating element, which is preferably formed by a power transmission plate , which is supported on the first friction lining (29).
  • the first gear 26 is supported on at least one bearing 25, 48 on the caliper housing 1, 1 'from (see in Figs. 3 and 5 illustrated embodiments). It can hereby be used a bearing for supporting radial and axial forces, but it can also be used for two individual bearings.
  • threaded spindle 31 for gear coupling can be pressed / inserted directly into gear 8 (see also exemplary embodiment in FIG. 5).
  • Fig. 4 shows sections of various embodiments of calipers in the region of the end face 36 of the caliper housing 1 and 1 'and the cover 4.
  • the gear 6, 26 and the drive unit 2 are not shown.
  • Fig. 4a) and b) of the housing cover 4 is designed as a metallic deep-drawn sheet metal lid, which is applied over the caliper housing 1 and there, for example, by rolling or caulking 23 is attached.
  • a (lateral, radial) seal 22 may be present or a positive fit cover 4 / saddle housing 1, 1 'represent a seal.
  • Fig. 4a) shows an embodiment game, in which the caliper housing 1, 1 'is pulled up side and forms an edge.
  • the circuit carrier 3 is arranged so to speak at least partially in a kind of recess of the caliper housing 1.
  • Fig. 4b) shows an embodiment in which the front end of the caliper housing 1 is formed in the form of a face plate.
  • a lateral edge is essentially formed by the lid 4 and the circuit carrier 3 is arranged in the lid 4, as it were. Comparable cover closures can also be displayed axially.
  • Fig. 4c shows an embodiment in which the front end of the caliper housing 1 is also formed in the form of a face plate.
  • This embodiment comprises a plastic housing cover 4 with a seal 22 between the plastic housing cover 4 and the (inner) end face 36 of the saddle housing 1, i. Seal 22 is arranged on the inner end face 36 of the caliper housing 1.
  • the plastic housing cover 4 extends according to the example slightly beyond the front plate of the caliper housing 1 to the outside and is screwed by example on the front plate of the seat housing 1 with screws or by bolts (not shown) pressed or attached via a different fastening means 47.
  • a section of a second embodiment of a brake caliper 32 is shown schematically.
  • Corresponding components are denoted by the same reference numerals as in FIGS. 1 to 4.
  • the electric motor 2 with a housing 37 is fixedly mounted from the outside to the inner end face 36 of the one-piece saddle housing 1.
  • the front end of the caliper housing 1 is therefore designed as a front plate, whose inner side represents the end face 36.
  • the first transmission 26 is integrated into the caliper housing 1 and the second gear 6 is also mounted on the end face 36 of the caliper housing 1.
  • the caliper housing 1 is thus the carrier of all power and force-generating components of the electric motor 2 and the first and second gear 26, 6 and there is no gear housing available.
  • the end face 36 of the caliper housing 1 is formed by a bearing plate 15 of the electric motor.
  • the brake caliper 32 according to the second embodiment comprises a position detection system for the rotor 7 of the electric motor 2.
  • Fig. 5b is a section of a further embodiment of a brake caliper 32 is shown schematically. Corresponding components are denoted by the same reference numerals as in Fig. 5a).
  • the exemplary embodiment according to FIG. 5b) differs from the second exemplary embodiment according to FIG. 5a) in that the caliper housing 1, 1 'is designed in two parts.
  • the electric motor 2 is mounted with its housing 37 from the outside to the inner end face 36 of the fifth wheel housing part 1 '.
  • the first gear 26 is integrated into the caliper housing part 1 and the second gear 6 is attached to the end face 36 of the caliper housing part 1 '.
  • the caliper housing 1, 1 ' is thus the carrier of all power and force-generating components of the electric motor 2 and the first and second gear 26, 6 and there is no transmission housing.
  • the end face 36 of the saddle housing 1 ' is formed by a bearing plate 15 of the electric motor 2.
  • a release agent 33 for example, a fender, attached. This can as a support element, eg for bearings of an axle, be formed.
  • the protective plate contains, according to the example, at least one recess in order to allow fastening or connecting elements 12 to pass through (see FIG.
  • the release agent 33 is not designed as a sheet, but as a film or paint layer, so it can not support functions such as bearings of an axle, etc. exercise.
  • Fig. 6 is a detail of a third embodiment of a brake caliper 32 is shown schematically.
  • the actuator is not fully shown, for example, the drive unit 2 and the gear 6, 26 are not shown.
  • the electromechanically actuated disc brake comprises, for example, a means 41, 42 for determining the application force of the brake. From the end face 36 of the caliper housing 1 from a bore 40 is introduced into the bridge portion 28 of the caliper housing 1, in which a deflection element 41 is mounted, which at the lying on the side of the outer saddle leg 35 end of the bore 40, for example by caulking at the saddle housing 1 is attached. When the brake is applied, a force F acts on the saddle legs which slightly deforms the saddle housing 1, in particular the bridge section 28.
  • FIGS. 7 and 8 Various exemplary embodiments of the means for determining a clamping force are shown schematically in FIGS. 7 and 8.
  • the deflection member 41 may be implemented as a solid rod (Fig. 7a) or as a tube (Fig. 7b).
  • the deflection element 41 may be e.g. be made of magnetic material (e.g., Fig. 8a) to 8c)) or at its end facing the detection means 42, a magnet is arranged (see Fig. 8d)).
  • FIG. 8 a) and 8 b Various examples of deflection determination are shown schematically in FIG. According to the exemplary embodiments illustrated in FIGS. 8 a) and 8 b), two or more detection means 42, in particular opposite one another, are arranged in the region of the free end of the deflection element 41. Thus, the detection sensitivity can be increased. However, it is also possible (see, for example, Fig. 8d) and 8e)), that only one detection means 42 is arranged in the region of the free end of the deflection element 41.
  • the detection means 42 may e.g. be designed as an electric coil, Hall or magnetoresistive element.
  • circuit carrier 3 as an integrated circuit 42 (see Fig. 8a), 8d) and 8e)) or as an SMD component 42 '(Surface Mounted Device) (see Fig. 8b)) is possible.
  • a magnet is attached to a sensor element, wherein a Approach of the deflection element 41 changes the magnetic field and this change is detected by the sensor.
  • the deflection element 41 is preferably damped in the region of its non-attached end by a damping means 43 arranged in the bore 40, in order to reduce vibrations of the deflection element 41.
  • the means 41, 42 for determining the application force is additionally or alternatively used to detect a brake squeal. If a swinging of the deflection element 41 is detected by the detection means 42, this is an indication that the wheel brake squeaks or "scratches".
  • Brake pad carrier 34 is not flat on the outer saddle leg 35 is mounted, but is mounted on an elongated bearing groove 44 (perpendicular to the plane) and elastic material 45 movably mounted on the caliper leg 35 of the caliper 32.
  • the bearing groove 44 can be arranged on the caliper leg 35 (see FIG. 10A)) or on the brake pad carrier 34 (see FIG. 10B)). The reason for this is that the force measurement by force times lever arm remains the same.
  • a section of a fourth embodiment of a caliper 32 is shown schematically.
  • the Actuator is not fully illustrated, for example, the drive unit 2 and the gear 6, 26 are not shown.
  • the brake caliper 32 comprises a means for braking force determination 41, 42 as well as a flexible brake pad carrier 34 mounted on the saddle leg 35.
  • the actuating unit for actuating the inner friction lining 29 is not shown.
  • FIG. 12 schematically shows another section of the first exemplary embodiment of a brake caliper illustrated in FIG. 2.
  • the caliper 32 includes an electric locking magnet 18, at the armature 19, a locking pin 21 is arranged.
  • the locking pin 21 is moved to the rotor 7 during energization of the locking magnet 18.
  • the locking bolt 21 engages the parking brake lock mechanically into one of a plurality of directly arranged in / on the rotor 7 recess 20 a.
  • the locking bolt 21 can also be arranged in such a way that it engages in a recess 20 arranged on the shaft 17.
  • the locking magnet 18 is arranged according to example directly on the circuit substrate 3 or on the bearing plate 15 and contacted thereto.
  • the supporting forces of the locking bolt 21 are advantageously applied to non-rotating parts of the electric motor 2 or the motor carrier / bearing plate 15. If the Electric motor 2 is mounted from the outside (see Fig. 5), the locking bolt 21 can also be on the caliper housing
  • a locking between a gear, preferably gear 8, and the housing advantageous, which allows a comparable lock.
  • the engagement in the gear can be radial or axial (not shown).
  • Exemplary electrical contacts between electric motor 2 and circuit carrier 3 are shown schematically in FIG. 13.
  • connection contact 14 is implemented via a connector component 13 which is mounted on the circuit carrier 3, and at least one connection contact 14 (in FIG. 13 a, exactly one connection contact 14 is shown), which is arranged on the electric motor 2 Connector member 13 and terminal 14 are inserted directly into each other. According to FIG. 13b), connection contact 14 'is connected directly to the circuit carrier 3.
  • Figures 14 and 15 show two embodiments in which the caliper housing is not made in one piece, but consists of two or more fifth wheel housing parts 1, 1 ', 1' ', l' ''. For better clarity, not all components of the caliper 32 are shown schematically in the figures.
  • a caliper housing part 1 forms the outer part of the caliper housing, which inter alia includes the bridge section 28.
  • a caliper housing part 1 'attached which forms the inner end face of the caliper housing with the (inner) end face 36, on which motor housing 37 and (not shown) gear 6 are arranged.
  • the brake caliper 32 optionally comprises a means for determining the application force with an optional deflection element 41 and an optional detection means 42 which is attached to circuit carrier 3.
  • the outer part of the caliper housing is formed by a plurality of caliper housing parts 1 ', 1''and1'''.
  • the inner part of the caliper housing is formed by the caliper housing part 1, which also includes the end face 36, on which motor housing 37 and gear 6 (not shown) are mounted.
  • Gear 26 (not shown) is integrated in the caliper housing part 1.
  • the caliper housing parts 1, 1 ', 1''and1'''' are fastened to each other, for example, by fastening elements 47 (eg screws).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un frein à disque actionnable électromécaniquement pour véhicules automobiles, avec une unité d'actionnement et un étrier de frein (32) possédant un carter d'étrier de frein (1). Dans l'étrier de frein (32) sont montées deux garnitures de friction (29) coopérant chacune avec l'une des faces latérales d'un disque de frein et pouvant se déplacer de manière limitée. L'unité d'actionnement est composée d'un moteur électrique (2), d'une première transmission (26) intercalée cinématiquement entre le moteur électrique (2) et l'élément d'actionnement ainsi qu'une deuxième transmission (6) intercalée cinématiquement entre le moteur électrique (2) et une partie de la première transmission (26). L'unité d'actionnement est associée à une unité électronique de commande avec un porte-circuit (3), destinée à piloter le moteur électrique (2). La première transmission (26) ne possède pas de carter et est placée dans un logement du carter d'étrier de frein (1) faisant fonction de carter et la deuxième transmission (6) ne possède pas son propre carter et est placée sur une face frontale (36) du carter d'étrier de frein (1).
PCT/EP2009/064291 2008-11-03 2009-10-29 Frein à disque actionnable électromécaniquement pour véhicules automobiles WO2010060725A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008043400.0 2008-11-03
DE102008043400 2008-11-03
DE102009046044.6A DE102009046044B4 (de) 2008-11-03 2009-10-27 Elektromechanisch betätigbare Scheibenbremse für Kraftfahrzeuge
DE102009046044.6 2009-10-27

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WO2014200052A1 (fr) * 2013-06-13 2014-12-18 Ntn株式会社 Actionneur électrique linéaire et dispositif de frein électrique
US20150308529A1 (en) * 2014-03-21 2015-10-29 IMS Gear GbmH Actuator arrangement
CN110848294A (zh) * 2018-08-20 2020-02-28 瀚德万安(上海)电控制动系统有限公司 电子机械制动器的致动器及电子机械制动器
CN112628310A (zh) * 2019-10-08 2021-04-09 现代摩比斯株式会社 车辆的电动制动设备

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DE102011121177A1 (de) * 2011-12-16 2013-06-20 Oechsler Aktiengesellschaft Motor eines elektromotorischen Stellelementes und Verfahren zu seiner Herstellung
AT13419U1 (de) * 2012-04-12 2013-12-15 Ve Vienna Engineering Forschungs Und Entwicklungs Gmbh Reibungsbremse
JP6443354B2 (ja) * 2016-01-22 2018-12-26 株式会社アドヴィックス 車両の電動制動装置
DE102019127901A1 (de) * 2019-10-16 2021-04-22 WABCO Global GmbH Elektromechanische Scheibenbremse mit einem Parkbremsaktuator für Kraftfahrzeuge
DE102021129955A1 (de) 2021-11-17 2023-05-17 Zf Active Safety Gmbh Aktorbaugruppe für eine Fahrzeugbremse sowie Verfahren zur Herstellung einer Aktorbaugruppe für eine Fahrzeugbremse

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EP1845001A2 (fr) * 2006-04-03 2007-10-17 Hitachi, Ltd. Dispositif de contrôle de frein électro-mécanique

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DE19611911A1 (de) * 1996-03-26 1997-10-02 Bosch Gmbh Robert Bremsvorrichtung
DE19732168C1 (de) * 1997-07-25 1999-01-07 Lucas Ind Plc Hydraulische Fahrzeugbremse mit Feststelleinrichtung und Verfahren zum Betreiben derselben
WO2000061962A1 (fr) * 1999-04-13 2000-10-19 Continental Teves Ag & Co. Ohg Frein a disque a garniture partielle comportant une unite d'actionnement electromecanique
EP1840405A1 (fr) * 2006-03-31 2007-10-03 Hitachi, Ltd. Frein à disque électrique, étrier pour le frein à disque électrique, unité moteur/contrôleur pour le frein à disque électrique et procédé pour assembler l'étrier pour le frein à disque électrique
EP1845001A2 (fr) * 2006-04-03 2007-10-17 Hitachi, Ltd. Dispositif de contrôle de frein électro-mécanique

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WO2014200052A1 (fr) * 2013-06-13 2014-12-18 Ntn株式会社 Actionneur électrique linéaire et dispositif de frein électrique
US9970499B2 (en) 2013-06-13 2018-05-15 Ntn Corporation Electric linear motion actuator and electric brake system
US20150308529A1 (en) * 2014-03-21 2015-10-29 IMS Gear GbmH Actuator arrangement
US9771993B2 (en) * 2014-03-21 2017-09-26 IMS Gear SE & Co., KGaA Actuator arrangement
CN110848294A (zh) * 2018-08-20 2020-02-28 瀚德万安(上海)电控制动系统有限公司 电子机械制动器的致动器及电子机械制动器
CN112628310A (zh) * 2019-10-08 2021-04-09 现代摩比斯株式会社 车辆的电动制动设备
US11493103B2 (en) 2019-10-08 2022-11-08 Hyundai Mobis Co., Ltd. Electric brake apparatus of vehicle

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DE102009046044A1 (de) 2010-05-06

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