WO2019042841A1 - Electro-mechanical brake actuator with internal power electronics unit and energy store - Google Patents
Electro-mechanical brake actuator with internal power electronics unit and energy store Download PDFInfo
- Publication number
- WO2019042841A1 WO2019042841A1 PCT/EP2018/072660 EP2018072660W WO2019042841A1 WO 2019042841 A1 WO2019042841 A1 WO 2019042841A1 EP 2018072660 W EP2018072660 W EP 2018072660W WO 2019042841 A1 WO2019042841 A1 WO 2019042841A1
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- WO
- WIPO (PCT)
- Prior art keywords
- brake actuator
- housing
- power electronics
- brake
- logic unit
- Prior art date
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Classifications
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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
- B60T13/74—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
-
- 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
-
- 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
- B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
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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
- B60T13/74—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
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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
- 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
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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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
- 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
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
- F16D65/183—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 with force-transmitting members arranged side by side acting on a spot type force-applying member
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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
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/402—Back-up
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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
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/414—Power supply failure
-
- 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
- B60T8/321—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 deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
Definitions
- Electro-mec hanischer brake actuator with internal power electronics and
- the present invention relates to an electro-mechanical brake actuator according to the preamble of claim 1.
- DE 10 2009 042 965 A1 discloses an electro-mechanical brake actuator according to the preamble of claim 1 comprising: a housing; a pressing member configured to be pressed against a brake disk; means for moving the pressing member configured to move the pressing member toward and away from the brake disk; a logic unit in the housing configured to control the means for moving the pressing member; a control port on the housing for connection to a superordinate controller of the
- Rail vehicle located outside the housing; one
- Such electro-mechanics is basically considered substitution technology for pneumatic and hydraulic braking systems.
- Electro-mechanical brake actuators are supplied with energy (in this case with an electrical supply voltage) from an external energy store via the supply connection.
- the external energy storage supplies several actuators simultaneously.
- Main consumers usually form electromagnets and electric motors.
- the energy supply from the external energy storage in the actuators must be designed for the load peaks. This increases, for example, the cross sections in the electrical supply lines of the supply connection.
- the brake actuator for a rail vehicle has a housing; a pressing member configured to be pressed against a brake disk; a means to
- a logic unit in or on the housing configured to control the means for moving the pressing member; a control port on the housing for connection to a parent control of the rail vehicle located outside the housing; and a supply terminal on the housing for supplying the
- a power electronics with energy storage is arranged in or on the housing and associated with only one brake actuator.
- the logic unit is configured to control the power electronics so that power flows of consumers in the brake actuator are controlled as needed.
- the brake actuator can advantageously predefined operations or load profiles in case of failure of the external power supply
- the energy storage of the power electronics allows advantageously to buffer power peaks by a part of the power requirement from the energy storage of the power electronics and another part can be fed from an external, higher-level power supply of the rail vehicle.
- the energy store of the power electronics is preferably an accumulator or a capacitor.
- the power electronics can amplifier, inverter and / or
- the means for moving the Anpressteils a spindle drive or a linear drive with its own logic unit. More preferably, the spindle drive or linear drive with appropriate sensors is force or position-controlled.
- Linear actuators are classified as active elements, i. that they build up power in the energized state.
- the contact pressure can be varied thereby.
- the means for moving the pressing member may be a passive component.
- the passive means for moving the Anpressteil then a
- Spring accumulator is actuated by an actuator such as an electro-mechanical force generator, a pneumatic cylinder or a hydraulic cylinder when releasing the brake so that the Anpressteil removed from the brake disc.
- the braking energy is taken from the spring accumulator and does not have to be actively built up, which is advantageous, for example, in the event of a power failure.
- the brake actuator has a Anpresskrafter fertilsaku in the housing for detecting an actual contact pressure of the Anpressteils on the brake disc, whereby a control of the contact pressure or a Nachspeisung the brake actuator can be effected.
- the power electronics have a supply input connected to the supply terminal and at least one supply output connected to the logic unit and / or the means for moving the pressing member. The power electronics are preferably controlled via a control line from the logic unit.
- FIG. 1 shows a first embodiment of a brake actuator for a
- Fig. 2 shows a second embodiment of a brake actuator for a
- Fig. 3 shows a third embodiment of a brake actuator for a
- Fig. 4 shows a fourth embodiment of a brake actuator for a
- Fig. 1 shows a first embodiment of a brake actuator for a
- the brake actuator 1 for a rail vehicle has a housing 1 1; a pressing member 8 configured to be pressed to a brake disk 9; a means 5, 6 for moving the
- Pressing piece 8 configured to move the pressing part 8 toward and away from the brake disk 9; a logic unit 2 in the housing 1 1, which is configured to control the belt 5, 6 for moving the pressing member 8; a control terminal 3 on the housing 1 1 for connection to a higher-level control of the rail vehicle, which is located outside of the housing; a supply terminal 4 on the housing 1 1 for supplying the brake actuator 1 with energy; and a Anpresskrafter conductedsstatt 10 in the housing 1 1 for detecting an actual contact pressure F of the Anpressteils 8 on the brake disc 9.
- the Brake actuator 1 a power electronics 99 with energy storage, which is arranged in the housing 1 1 and only the one brake actuator 1 is assigned.
- the power electronics 99 and the logic unit 2 in the housing 1 1 are the same protected against external influences.
- the power electronics 99 and the logic unit 2 can be arranged completely outside the housing 11 but on the housing 11. It is also conceivable to arrange the power electronics 99 partly in and partly outside the housing 11.
- the power electronics 99 partly in and partly outside the housing 11.
- the power electronics 99 has a
- Supply input which is connected to the supply terminal 4, and at least a first and a second supply output, wherein the first supply output is connected to the logic unit 2 and the second
- Supply output to the means 5, 6 is connected to move the Anpressteils 8.
- the power electronics 99 is controlled by the logic unit 2 via a control line.
- the brake actuator 1 can advantageously in case of failure of an external
- the power electronics have amplifier, converter and / or rectifier circuits, inter alia, with switching transistors, which can provide desired supply voltages.
- the energy storage of the power electronics 99 also advantageously allows to buffer power peaks by a part of the power requirement from the
- the size can be reduced.
- the logic unit 2 is configured to control the power electronics 99 so that power flows of consumers in the brake actuator 1 are controlled as needed. As a result, for example, energy consumption can be optimized.
- the energy storage of the power electronics 99 is an accumulator, but it can also be a capacitor such as a super-cap can be used.
- the means 5, 6 for moving the Anpressteils 8 has an active linear drive 5 with its own logic unit (not shown) and a lever mechanism 6, which is shown only schematically.
- the linear drive 5 is force or position-controlled with corresponding sensors (not shown).
- Reference numeral 7 denotes a
- the means 5, 6 for moving the pressing part 8 may be a passively operated component, as mentioned in the introduction to the description.
- Fig. 2 shows a second embodiment of a brake actuator for a
- the second embodiment is similar to the first embodiment, and only its differences from the first embodiment will be described below.
- the power electronics 99 has only one supply output, which is connected to both the logic unit 2 and the means 5, 6 for moving the Anpressteils 8.
- Fig. 3 shows a third embodiment of a brake actuator for a
- the third embodiment is similar to the first embodiment, and only its differences from the first
- the power electronics 99 has only one supply output, both with the logic unit 2 and the means 5, 6 is connected for moving the pressing part 8.
- the supply output is also connected directly to the supply input of the power electronics 99.
- Fig. 4 shows a fourth embodiment of a brake actuator for a
- the fourth embodiment is similar to the first embodiment, and only its differences from the first embodiment will be described below.
- the power electronics 99 has only one supply output, which is connected to the means 5, 6 for moving the Anpressteils 8.
- the supply input of the power electronics 99 is also connected directly to a supply input of the logic unit 2.
- Power electronics 99 are not limiting and may be modified by those skilled in the art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to a brake actuator (1) for a rail vehicle, comprising a housing (11); a pressing part (8) which is configured so as to be pressed onto a brake disc (9); means (5, 6) for moving the pressing part (8); a logic unit (2) in or on the housing (11), said logic unit being configured to control the means (5, 6) for moving the pressing part (8); a control connection (3) on the housing (11); a supply connection (4) on the housing (11) for supplying the brake actuator (1) with energy; and a power electronics unit (99) with an energy store, said power electronics unit being arranged in or on the housing (11) and being paired solely with the one brake actuator (1).
Description
BESCHREIBUNG DESCRIPTION
Elektro-mec hanischer Bremsaktuator mit interner Leistungselektronik undElectro-mec hanischer brake actuator with internal power electronics and
Energiespeicher energy storage
Die vorliegende Erfindung bezieht sich auf einen elektro-mechanischen Bremsaktuator nach dem Oberbegriff von Anspruch 1. The present invention relates to an electro-mechanical brake actuator according to the preamble of claim 1.
DE 10 2009 042 965 A1 offenbart einen elektro-mechanischen Bremsaktuator gemäß dem Oberbegriff von Anspruch 1 mit: einem Gehäuse; einem Anpressteil, das dazu konfiguriert ist, an eine Bremsscheibe gedrückt zu werden; einem Mittel zum Bewegen des Anpressteils, das dazu konfiguriert ist, das Anpressteil zu der Bremsscheibe hin und von dieser weg zu bewegen; einer Logikeinheit im Gehäuse, die dazu konfiguriert ist, das Mittel zum Bewegen des Anpressteils zu steuern; einem Steuerungsanschluss am Gehäuse für eine Verbindung mit einer übergeordneten Steuerung des DE 10 2009 042 965 A1 discloses an electro-mechanical brake actuator according to the preamble of claim 1 comprising: a housing; a pressing member configured to be pressed against a brake disk; means for moving the pressing member configured to move the pressing member toward and away from the brake disk; a logic unit in the housing configured to control the means for moving the pressing member; a control port on the housing for connection to a superordinate controller of the
Schienenfahrzeugs, die sich außerhalb des Gehäuses befindet; einem Rail vehicle located outside the housing; one
Versorgungsanschluss am Gehäuse zum Versorgen des Bremsaktuators mit Energie; und einer Anpresskrafterfassungseinheit im Gehäuse zum Erfassen einer Ist- Anpresskraft des Anpressteils an der Bremsscheibe. Eine solche Eiektro-Mechanik (EM) wird grundsätzlich als Substitutionstechnologie für pneumatische und hydraulische Bremssysteme angesehen. Supply port on the housing for powering the brake actuator; and a Anpresskrafterfassungseinheit in the housing for detecting an actual contact pressure of the Anpressteils on the brake disc. Such electro-mechanics (EM) is basically considered substitution technology for pneumatic and hydraulic braking systems.
Elektro-mechanische Bremsaktuatoren werden über den Versorgungsanschluss von einem externen Energiespeicher mit Energie (in diesem Fall mit einer elektrischen Versorgungsspannung) versorgt. Der externe Energiespeicher versorgt dabei mehrere Aktuatoren gleichzeitig. Die Erfinder haben herausgefunden, dass dies vor dem Electro-mechanical brake actuators are supplied with energy (in this case with an electrical supply voltage) from an external energy store via the supply connection. The external energy storage supplies several actuators simultaneously. The inventors have found out that before the
Hintergrund funktionaler Sicherheit und Systemverfügbarkeit ungünstig ist. Der Ausfall eines externen Energiespeichers oder der zentralen Versorgungsleitung vor einer Abzweigung zu den Aktuatoren führt bei aktiven Aktuatoren zum Ausfall der Background functional safety and system availability is unfavorable. The failure of an external energy storage or the central supply line before a diversion to the actuators leads to failure of the active actuators
Bremswirkung („gefährlicher Fehler") und bei passiven Systemen zu einer Braking effect ("dangerous error") and in passive systems to one
Zwangsbetätigung („sicherer Zustand"), wodurch aber in der Regel die Verfügbarkeit des Schienenfahrzeugs nicht mehr gewährleistet ist.
Darüber hinaus führt ein Leitungsdefekt in einer Versorgungsleitung zu einem Aktuator oder am Versorgungsanschluss zum Ausfall eines Aktuators mit denselben vorstehend geschilderten Nachteilen. Ferner hat der elektrische Leistungsbedarf von elektro-mechanischen Aktuatoren charakteristische Lastspitzen und im Mittel geringe Leistungsaufnahmen. Forced operation ("safe state"), which, however, as a rule, the availability of the rail vehicle is no longer guaranteed. In addition, a line defect in a supply line to an actuator or at the supply terminal to failure of an actuator with the same disadvantages described above. Furthermore, the electrical power requirement of electro-mechanical actuators characteristic load peaks and on average low power consumption.
Hauptverbraucher bilden in der Regel Elektromagnete und Elektromotoren. Die Energieversorgung aus dem externen Energiespeicher in die Aktuatoren muss auf die Lastspitzen ausgelegt sein. Dies erhöht beispielsweise die Querschnitte in den elektrischen Versorgungsleitungen des Versorgungsanschlusses. Main consumers usually form electromagnets and electric motors. The energy supply from the external energy storage in the actuators must be designed for the load peaks. This increases, for example, the cross sections in the electrical supply lines of the supply connection.
Es ist die Aufgabe der vorliegenden Erfindung, einen elektro-mechanischen It is the object of the present invention to provide an electro-mechanical
Bremsaktuator für ein Schienenfahrzeug vorzusehen, der die vorstehend geschilderten Nachteile beseitigen kann. Diese Aufgabe wird durch den elektro-mechanischen Bremsaktuator für ein Schienenfahrzeug mit den Merkmalen des Anspruchs 1 gelöst. Die vorliegende Erfindung ist in den Unteransprüchen weitergebildet. To provide brake actuator for a rail vehicle, which can eliminate the disadvantages described above. This object is achieved by the electro-mechanical brake actuator for a rail vehicle with the features of claim 1. The present invention is further developed in the subclaims.
Der Bremsaktuator für ein Schienenfahrzeug hat ein Gehäuse; ein Anpressteil, das dazu konfiguriert ist, an eine Bremsscheibe gedrückt zu werden; ein Mittel zum The brake actuator for a rail vehicle has a housing; a pressing member configured to be pressed against a brake disk; a means to
Bewegen des Anpressteils, das dazu konfiguriert ist, das Anpressteil zu der Moving the pressing member configured to press the pressing member to
Bremsscheibe hin und von dieser weg zu bewegen; eine Logikeinheit im oder am Gehäuse, die dazu konfiguriert ist, das Mittel zum Bewegen des Anpressteils zu steuern; einen Steuerungsanschluss am Gehäuse für eine Verbindung mit einer übergeordneten Steuerung des Schienenfahrzeugs, die sich außerhalb des Gehäuses befindet; und einen Versorgungsanschluss am Gehäuse zum Versorgen des To move the brake disc towards and away from it; a logic unit in or on the housing configured to control the means for moving the pressing member; a control port on the housing for connection to a parent control of the rail vehicle located outside the housing; and a supply terminal on the housing for supplying the
Bremsaktuators mit Energie. Eine Leistungselektronik mit Energiespeicher ist im oder am Gehäuse angeordnet und nur dem einen Bremsaktuator zugeordnet. Brake actuator with energy. A power electronics with energy storage is arranged in or on the housing and associated with only one brake actuator.
Vorzugsweise ist die Logikeinheit dazu konfiguriert, die Leistungselektronik so zu steuern, dass Leistungsflüsse von Verbrauchern im Bremsaktuator bedarfsgerecht gesteuert werden.
Der Bremsaktuator kann in vorteilhafter Weise bei Ausfall der externen Spannungsversorgung vorher definierte Betätigungen oder auch Lastprofile Preferably, the logic unit is configured to control the power electronics so that power flows of consumers in the brake actuator are controlled as needed. The brake actuator can advantageously predefined operations or load profiles in case of failure of the external power supply
selbstständig ausführen. Der Energiespeicher der Leistungselektronik ermöglicht in vorteilhafter Weise, Leistungsspitzen zu puffern, indem ein Teil des Leistungsbedarfs aus dem Energiespeicher der Leistungselektronik und ein anderer Teil aus einer externen, übergeordneten Energieversorgung des Schienenfahrzeugs gespeist werden kann. run independently. The energy storage of the power electronics allows advantageously to buffer power peaks by a part of the power requirement from the energy storage of the power electronics and another part can be fed from an external, higher-level power supply of the rail vehicle.
Vorzugsweise ist der Energiespeicher der Leistungselektronik ein Akkumulator oder ein Kondensator. Die Leistungselektronik kann Verstärker-, Umrichter- und/oder The energy store of the power electronics is preferably an accumulator or a capacitor. The power electronics can amplifier, inverter and / or
Gleichrichterschaltungen unter anderem mit Schalttransistoren aufweisen, die gewünschte Versorgungsspannungen bereitstellen können. Have rectifier circuits, inter alia, with switching transistors that can provide desired supply voltages.
Vorzugsweise ist das Mittel zum Bewegen des Anpressteils ein Spindeltrieb oder ein Linearantrieb mit einer eigenen Logikeinheit. Weiter bevorzugt ist der Spindeltrieb oder Linearantrieb mit entsprechenden Sensoren kraft- oder positionsgeregelt. Diese Preferably, the means for moving the Anpressteils a spindle drive or a linear drive with its own logic unit. More preferably, the spindle drive or linear drive with appropriate sensors is force or position-controlled. These
Lineartriebe sind als aktive Elemente klassifiziert, d.h. dass sie Kräfte im bestromten Zustand aufbauen. In vorteilhafter Weise kann die Anpresskraft dadurch variiert werden. Alternativ kann das Mittel zum Bewegen des Anpressteils eine passive Komponente sein. Das passive Mittel zum Bewegen des Anpressteils kann dann einen Linear actuators are classified as active elements, i. that they build up power in the energized state. Advantageously, the contact pressure can be varied thereby. Alternatively, the means for moving the pressing member may be a passive component. The passive means for moving the Anpressteil then a
Federspeicher haben, der das Anpressteil an die Bremsscheibe drückt. Der Have spring storage, which presses the Anpressteil to the brake disc. The
Federspeicher wird durch einen Aktuator wie zum Beispiel einen elektro-mechanischen Krafterzeuger, einen Pneumatikzylinder oder einen Hydraulikzylinder beim Lösen der Bremse so betätigt, das sich das Anpressteil von der Bremsscheibe entfernt. Die Bremsenergie wird dem Federspeicher entnommen und muss nicht aktiv aufgebaut werden, was zum Beispiel bei Ausfall der Energieversorgung vorteilhaft ist. Spring accumulator is actuated by an actuator such as an electro-mechanical force generator, a pneumatic cylinder or a hydraulic cylinder when releasing the brake so that the Anpressteil removed from the brake disc. The braking energy is taken from the spring accumulator and does not have to be actively built up, which is advantageous, for example, in the event of a power failure.
Vorzugsweise hat der Bremsaktuator eine Anpresskrafterfassungseinheit im Gehäuse zum Erfassen einer Ist-Anpresskraft des Anpressteils an der Bremsscheibe, wodurch eine Regelung der Anpresskraft oder eine Nachspeisung des Bremsaktuators bewirkt werden kann.
Vorzugsweise hat die Leistungselektronik einen Versorgungseingang, der mit dem Versorgungsanschluss verbunden ist, und zumindest einen Versorgungsausgang, der mit der Logikeinheit und/oder dem Mittel zum Bewegen des Anpressteils verbunden ist. Die Leistungselektronik wird vorzugsweise über eine Steuerleitung von der Logikeinheit angesteuert. Preferably, the brake actuator has a Anpresskrafterfassungseinheit in the housing for detecting an actual contact pressure of the Anpressteils on the brake disc, whereby a control of the contact pressure or a Nachspeisung the brake actuator can be effected. Preferably, the power electronics have a supply input connected to the supply terminal and at least one supply output connected to the logic unit and / or the means for moving the pressing member. The power electronics are preferably controlled via a control line from the logic unit.
Nachfolgend werden Ausführungsbeispiele der vorliegenden Erfindung anhand der beigefügten Zeichnungen beschrieben. Es zeigen: Fig. 1 ein erstes Ausführungsbeispiel eines Bremsaktuators für ein Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. 1 shows a first embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung; Rail vehicle according to the present invention;
Fig. 2 ein zweites Ausführungsbeispiel eines Bremsaktuators für ein Fig. 2 shows a second embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung; Rail vehicle according to the present invention;
Fig. 3 ein drittes Ausführungsbeispiel eines Bremsaktuators für ein Fig. 3 shows a third embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung; und Rail vehicle according to the present invention; and
Fig. 4 ein viertes Ausführungsbeispiel eines Bremsaktuators für ein Fig. 4 shows a fourth embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung. Rail vehicle according to the present invention.
Fig. 1 zeigt ein erstes Ausführungsbeispiel eines Bremsaktuators für ein Fig. 1 shows a first embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung. Der Bremsaktuator 1 für ein Schienenfahrzeug hat ein Gehäuse 1 1 ; ein Anpressteil 8, das dazu konfiguriert ist, an eine Bremsscheibe 9 gedrückt zu werden; ein Mittel 5, 6 zum Bewegen des Rail vehicle according to the present invention. The brake actuator 1 for a rail vehicle has a housing 1 1; a pressing member 8 configured to be pressed to a brake disk 9; a means 5, 6 for moving the
Anpressteiis 8, das dazu konfiguriert ist, das Anpressteil 8 zu der Bremsscheibe 9 hin und von dieser weg zu bewegen; eine Logikeinheit 2 im Gehäuse 1 1 , die dazu konfiguriert ist, das ittel 5, 6 zum Bewegen des Anpressteils 8 zu steuern; einen Steuerungsanschluss 3 am Gehäuse 1 1 für eine Verbindung mit einer übergeordneten Steuerung des Schienenfahrzeugs, die sich außerhalb des Gehäuses befindet; einen Versorgungsanschluss 4 am Gehäuse 1 1 zum Versorgen des Bremsaktuators 1 mit Energie; und eine Anpresskrafterfassungseinheit 10 im Gehäuse 1 1 zum Erfassen einer Ist-Anpresskraft F des Anpressteils 8 an der Bremsscheibe 9. Darüber hinaus hat der
Bremsaktuator 1 eine Leistungselektronik 99 mit Energiespeicher, die im Gehäuse 1 1 angeordnet ist und nur dem einen Bremsaktuator 1 zugeordnet ist. Durch die Pressing piece 8 configured to move the pressing part 8 toward and away from the brake disk 9; a logic unit 2 in the housing 1 1, which is configured to control the belt 5, 6 for moving the pressing member 8; a control terminal 3 on the housing 1 1 for connection to a higher-level control of the rail vehicle, which is located outside of the housing; a supply terminal 4 on the housing 1 1 for supplying the brake actuator 1 with energy; and a Anpresskrafterfassungseinheit 10 in the housing 1 1 for detecting an actual contact pressure F of the Anpressteils 8 on the brake disc 9. In addition, the Brake actuator 1, a power electronics 99 with energy storage, which is arranged in the housing 1 1 and only the one brake actuator 1 is assigned. By the
Anordnung der Leistungselektronik 99 und der Logikeinheit 2 im Gehäuse 1 1 werden dieselben gegen äußere Einflüsse geschützt. Alternativ können die Leistungselektronik 99 und die Logikeinheit 2 vollständig außerhalb des Gehäuses 1 1 aber am Gehäuse 1 1 angeordnet sein. Es ist auch denkbar, die Leistungselektronik 99 teilweise im und teilweise außerhalb des Gehäuses 1 1 anzuordnen. Zum Beispiel kann der Arrangement of the power electronics 99 and the logic unit 2 in the housing 1 1 are the same protected against external influences. Alternatively, the power electronics 99 and the logic unit 2 can be arranged completely outside the housing 11 but on the housing 11. It is also conceivable to arrange the power electronics 99 partly in and partly outside the housing 11. For example, the
Energiespeicher der Leistungselektronik 99 außerhalb des Gehäuses 1 1 aber am Gehäuse 11 angeordnet sein, während der restliche Teil der Leistungselektronik 99 im Gehäuse 11 angeordnet ist. Dies ist insbesondere dann vorteilhaft, wenn der Energy storage of the power electronics 99 outside of the housing 1 1 but be arranged on the housing 11, while the remaining part of the power electronics 99 is disposed in the housing 11. This is particularly advantageous if the
Energiespeicher ein austauschbarer Akku oder eine austauschbare Batterie ist, der von der Außenseite des Gehäuses 1 1 zugänglich sein soll. In der Fig. 1 sind Energy storage is a replaceable battery or a removable battery that should be accessible from the outside of the housing 1 1. In Fig. 1 are
Versorgungsleitungen als durchgezogene Linien dargestellt, und Steuerleitungen sind als gestrichelte Linien dargestellt. Die Leistungselektronik 99 hat einen Supply lines shown as solid lines, and control lines are shown as dashed lines. The power electronics 99 has a
Versorgungseingang, der mit dem Versorgungsanschluss 4 verbunden ist, und zumindest einen ersten und einen zweiten Versorgungsausgang, wobei der erste Versorgungsausgang mit der Logikeinheit 2 verbunden ist und der zweite Supply input, which is connected to the supply terminal 4, and at least a first and a second supply output, wherein the first supply output is connected to the logic unit 2 and the second
Versorgungsausgang mit dem Mittel 5, 6 zum Bewegen des Anpressteils 8 verbunden ist. Darüber hinaus wird die Leistungselektronik 99 über eine Steuerleitung durch die Logikeinheit 2 angesteuert. Supply output to the means 5, 6 is connected to move the Anpressteils 8. In addition, the power electronics 99 is controlled by the logic unit 2 via a control line.
Der Bremsaktuator 1 kann in vorteilhafter Weise bei Ausfall einer externen The brake actuator 1 can advantageously in case of failure of an external
Spannungsversorgung vorher definierte Betätigungen oder auch Lastprofile Power supply previously defined operations or load profiles
selbstständig ausführen. Bei Ausfall der externen, übergeordneten Energieversorgung ist zudem eine Notversorgung gewährleistet. Die Leistungselektronik weist Verstärker-, Umrichter- und/oder Gleichrichterschaltungen unter anderem mit Schalttransistoren auf, die gewünschte Versorgungsspannungen bereitstellen können. run independently. In the event of failure of the external, higher-level power supply, an emergency supply is also guaranteed. The power electronics have amplifier, converter and / or rectifier circuits, inter alia, with switching transistors, which can provide desired supply voltages.
Der Energiespeicher der Leistungselektronik 99 ermöglicht ferner in vorteilhafter Weise, Leistungsspitzen zu puffern, indem ein Teil des Leistungsbedarfs aus dem The energy storage of the power electronics 99 also advantageously allows to buffer power peaks by a part of the power requirement from the
Energiespeicher der Leistungselektronik 99 und ein anderer Teil aus einer externen, übergeordneten Energieversorgung des Schienenfahrzeugs gespeist werden kann. Dadurch können die Querschnitte in den elektrischen Versorgungsleitungen des
Versorgungsanschlusses 4 verkleinert werden, wodurch einerseits Kosten der Energy storage of power electronics 99 and another part of an external, higher-level power supply of the rail vehicle can be fed. This allows the cross sections in the electrical supply lines of the Supply connection 4 are reduced, which on the one hand costs the
Verkabelung und andererseits die Baugröße reduziert werden können. Wiring and on the other hand, the size can be reduced.
Die Logikeinheit 2 ist dazu konfiguriert, die Leistungselektronik 99 so zu steuern, dass Leistungsflüsse von Verbrauchern im Bremsaktuator 1 bedarfsgerecht gesteuert werden. Dadurch kann zum Beispiel der Energieverbrauch optimiert werden. The logic unit 2 is configured to control the power electronics 99 so that power flows of consumers in the brake actuator 1 are controlled as needed. As a result, for example, energy consumption can be optimized.
Der Energiespeicher der Leistungselektronik 99 ist ein Akkumulator, es kann jedoch auch ein Kondensator wie zum Beispiel ein Super-Cap verwendet werden. The energy storage of the power electronics 99 is an accumulator, but it can also be a capacitor such as a super-cap can be used.
Das Mittel 5, 6 zum Bewegen des Anpressteils 8 hat einen aktiven Linearantrieb 5 mit einer eigenen Logikeinheit (nicht gezeigt) und eine Hebelmechanik 6, die nur schematisch dargestellt ist. Der Linearantrieb 5 ist mit entsprechenden Sensoren (nicht gezeigt) kraft- oder positionsgeregelt. Das Bezugszeichen 7 bezeichnet eine The means 5, 6 for moving the Anpressteils 8 has an active linear drive 5 with its own logic unit (not shown) and a lever mechanism 6, which is shown only schematically. The linear drive 5 is force or position-controlled with corresponding sensors (not shown). Reference numeral 7 denotes a
Bremsbaugruppe bestehend aus dem Anpressteil 8, der Bremsscheibe 9 und einem Anpresshalter, der das Anpressteil 8 hält, Brake assembly consisting of the Anpressteil 8, the brake disc 9 and a Anpresshalter that holds the Anpressteil 8,
Alternativ kann das Mittel 5, 6 zum Bewegen des Anpressteils 8 eine passiv betriebene Komponente sein, wie sie in der Beschreibungseinleitung genannt ist. Alternatively, the means 5, 6 for moving the pressing part 8 may be a passively operated component, as mentioned in the introduction to the description.
Fig. 2 zeigt ein zweites Ausführungsbeispiel eines Bremsaktuators für ein Fig. 2 shows a second embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung. Das zweite Ausführungsbeispiel ähnelt dem ersten Ausführungsbeispiel, und nur seine Unterschiede zum ersten Ausführungsbeispiel werden nachfolgend beschrieben. Die Leistungselektronik 99 hat nur einen Versorgungsausgang, der sowohl mit der Logikeinheit 2 als auch dem Mittel 5, 6 zum Bewegen des Anpressteils 8 verbunden ist. Rail vehicle according to the present invention. The second embodiment is similar to the first embodiment, and only its differences from the first embodiment will be described below. The power electronics 99 has only one supply output, which is connected to both the logic unit 2 and the means 5, 6 for moving the Anpressteils 8.
Fig. 3 zeigt ein drittes Ausführungsbeispiel eines Bremsaktuators für ein Fig. 3 shows a third embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung. Das dritte Ausführungsbeispiel ähnelt dem ersten Ausführungsbeispiel, und nur seine Unterschiede zum erstenRail vehicle according to the present invention. The third embodiment is similar to the first embodiment, and only its differences from the first
Ausführungsbeispiel werden nachfolgend beschrieben. Die Leistungselektronik 99 hat nur einen Versorgungsausgang, der sowohl mit der Logikeinheit 2 als auch dem Mittel
5, 6 zum Bewegen des Anpressteils 8 verbunden ist. Der Versorgungsausgang ist zudem direkt mit dem Versorgungseingang der Leistungselektronik 99 verbunden. Embodiment will be described below. The power electronics 99 has only one supply output, both with the logic unit 2 and the means 5, 6 is connected for moving the pressing part 8. The supply output is also connected directly to the supply input of the power electronics 99.
Fig. 4 zeigt ein viertes Ausführungsbeispiel eines Bremsaktuators für ein Fig. 4 shows a fourth embodiment of a brake actuator for a
Schienenfahrzeug gemäß der vorliegenden Erfindung. Das vierte Ausführungsbeispiel ähnelt dem ersten Ausführungsbeispiel, und nur seine Unterschiede zum ersten Ausführungsbeispiel werden nachfolgend beschrieben. Die Leistungselektronik 99 hat nur einen Versorgungsausgang, der mit dem Mittel 5, 6 zum Bewegen des Anpressteils 8 verbunden ist. Der Versorgungseingang der Leistungselektronik 99 ist zudem direkt mit einem Versorgungseingang der Logikeinheit 2 verbunden. Rail vehicle according to the present invention. The fourth embodiment is similar to the first embodiment, and only its differences from the first embodiment will be described below. The power electronics 99 has only one supply output, which is connected to the means 5, 6 for moving the Anpressteils 8. The supply input of the power electronics 99 is also connected directly to a supply input of the logic unit 2.
Die vorstehend beschriebenen Konfigurationen der Ein- und Ausgänge der The above-described configurations of the inputs and outputs of
Leistungselektronik 99 sind nicht einschränkend und können durch den Fachmann abgewandelt werden.
Power electronics 99 are not limiting and may be modified by those skilled in the art.
BEZUGSZEICHENLISTE LIST OF REFERENCE NUMBERS
1 Bremsaktuator 1 brake actuator
2 Logikeinheit 2 logic unit
3 Steuerungsanschluss 3 control connection
4 Versorgungsanschluss 4 supply connection
5 Linearantrieb 5 linear drive
6 Hebelmechanik 6 lever mechanism
7 Bremsbaugruppe 7 brake assembly
8 Anpressteil 8 press part
9 Bremsscheibe 9 brake disc
10 Anpresskrafterfassungseinheit 10 contact force detection unit
1 1 Gehäuse 1 1 housing
99 Leistungselektronik mit Energiespeicher 99 Power electronics with energy storage
F Ist-Anpresskraft
F actual contact force
Claims
1 . Bremsaktuator (1 ) für ein Schienenfahrzeug, mit: 1 . Brake actuator (1) for a rail vehicle, comprising:
einem Gehäuse (11 ); a housing (11);
einem Anpressteil (8), das dazu konfiguriert ist, an eine Bremsscheibe (9) gedrückt zu werden; a pressing member (8) configured to be pressed against a brake disk (9);
einem Mittel (5, 6) zum Bewegen des Anpressteils (8), das dazu konfiguriert ist, das Anpressteil (8) zu der Bremsscheibe (9) hin und von dieser weg zu bewegen; a means (5, 6) for moving the pressing member (8) configured to move the pressing member (8) toward and away from the brake disc (9);
einer Logikeinheit (2) im oder am Gehäuse (1 1), die dazu konfiguriert ist, das Mittel (5, 6) zum Bewegen des Anpressteils (8) zu steuern; a logic unit (2) in or on the housing (11), which is configured to control the means (5, 6) for moving the pressing part (8);
einem Steuerungsanschluss (3) am Gehäuse (1 1 ) für eine Verbindung mit einer übergeordneten Steuerung des Schienenfahrzeugs, die sich außerhalb des Gehäuses befindet; und a control port (3) on the housing (1 1) for connection to a superordinate control of the rail vehicle, which is located outside of the housing; and
einem Versorgungsanschluss (4) am Gehäuse (1 1) zum Versorgen des a supply connection (4) on the housing (1 1) for supplying the
Bremsaktuators (1 ) mit Energie, Brake actuator (1) with energy,
gekennzeichnet durch marked by
eine Leistungselektronik (99) mit Energiespeicher, die im oder am Gehäuse (11) angeordnet ist und nur dem einen Bremsaktuator (1) zugeordnet ist. a power electronics (99) with energy storage, which is arranged in or on the housing (11) and is associated with only one brake actuator (1).
2. Bremsaktuator (1) nach Anspruch 1 , 2. brake actuator (1) according to claim 1,
wobei die Logikeinheit (2) dazu konfiguriert ist, die Leistungselektronik (99) so zu steuern, dass Leistungsflüsse von Verbrauchern im Bremsaktuator (1 ) bedarfsgerecht gesteuert werden. wherein the logic unit (2) is configured to control the power electronics (99) to control power flows of consumers in the brake actuator (1) as needed.
3. Bremsaktuator (1) nach Anspruch 1 oder 2, 3. brake actuator (1) according to claim 1 or 2,
wobei der Energiespeicher der Leistungselektronik (99) ein Akkumulator oder ein Kondensator ist. wherein the energy storage of the power electronics (99) is an accumulator or a capacitor.
4. Bremsaktuator (1) gemäß einem der vorherigen Ansprüche, 4. brake actuator (1) according to one of the preceding claims,
wobei das Mittel (5, 6) zum Bewegen des Anpressteils (8) ein Spindeltrieb oder ein Linearantrieb mit einer eigenen Logikeinheit ist.
wherein the means (5, 6) for moving the pressing part (8) is a spindle drive or a linear drive with its own logic unit.
5. Bremsaktuator (1) gemäß Anspruch 4, 5. brake actuator (1) according to claim 4,
wobei der Spindeltrieb oder Linearantrieb mit entsprechenden Sensoren kraft- oder positionsgeregelt ist. 6. Bremsaktuator (1 ) gemäß einem der Ansprüche 1 bis 3, wherein the spindle drive or linear drive with appropriate sensors is force or position-controlled. 6. brake actuator (1) according to one of claims 1 to 3,
wobei das Mittel (5, wherein the means (5,
6) zum Bewegen des Anpressteils (8) einen Federspeicher, der dazu konfiguriert ist, das Anpressteil (8) an die Bremsscheibe (9) zu drücken, und einen Aktuator hat, der dazu konfiguriert ist, beim Lösen der Bremse das Anpressteil (8) von der Bremsscheibe (9) zu entfernen. 6) for moving the pressing member (8) comprises a spring accumulator configured to press the pressing member (8) against the brake disc (9) and having an actuator configured to release the pressing member (8) upon release of the brake from the brake disc (9) to remove.
7. Bremsaktuator (1) gemäß einem der vorherigen Ansprüche, 7. brake actuator (1) according to one of the preceding claims,
des Weiteren mit einer Anpresskrafterfassungseinheit (10) im Gehäuse (11) zum Erfassen einer Ist-Anpresskraft (F) des Anpressteils (8) an der Bremsscheibe (9). further comprising a Anpresskrafterfassungseinheit (10) in the housing (11) for detecting an actual contact pressure (F) of the pressing part (8) on the brake disc (9).
8. Bremsaktuator (1 ) gemäß einem der vorherigen Ansprüche, 8. brake actuator (1) according to one of the preceding claims,
wobei die Leistungselektronik (99) einen Versorgungseingang, der mit dem wherein the power electronics (99) have a supply input connected to the
Versorgungsanschiuss (4) verbunden ist, und zumindest einen Versorgungsausgang hat, der mit der Logikeinheit (2) und/oder dem Mittel (5, 6) zum Bewegen des Supply terminal (4) is connected, and at least one supply output, with the logic unit (2) and / or the means (5, 6) for moving the
Anpressteils (8) verbunden ist, und wobei die Leistungselektronik über eine Anpressteils (8) is connected, and wherein the power electronics via a
Steuerleitung von der Logikeinheit (2) angesteuert ist. Control line is controlled by the logic unit (2).
9. Bremsaktuator (1 ) gemäß Anspruch 8, 9. brake actuator (1) according to claim 8,
wobei der Versorgungseingang und der Versorgungsausgang direkt miteinander verbunden sind.
wherein the supply input and the supply output are directly connected.
Priority Applications (2)
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CN201880056138.XA CN111051166B (en) | 2017-08-31 | 2018-08-22 | Electromechanical brake actuator with internal power electronics and energy storage |
EP18765040.3A EP3676141A1 (en) | 2017-08-31 | 2018-08-22 | Electro-mechanical brake actuator with internal power electronics unit and energy store |
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DE102017215289.3 | 2017-08-31 | ||
DE102017215289.3A DE102017215289A1 (en) | 2017-08-31 | 2017-08-31 | Electro-mechanical brake actuator with internal power electronics and energy storage |
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WO2019042841A1 true WO2019042841A1 (en) | 2019-03-07 |
Family
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PCT/EP2018/072660 WO2019042841A1 (en) | 2017-08-31 | 2018-08-22 | Electro-mechanical brake actuator with internal power electronics unit and energy store |
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EP (1) | EP3676141A1 (en) |
CN (1) | CN111051166B (en) |
DE (1) | DE102017215289A1 (en) |
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IT201900024147A1 (en) | 2019-12-16 | 2021-06-16 | Faiveley Transport Italia Spa | Electromechanical assembly for a braking system of a railway vehicle, control system of the electromechanical assembly and braking system including the electromechanical assembly and the control system |
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DE102020109827A1 (en) | 2020-04-08 | 2021-10-14 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Electromechanical brake actuator and electromechanical brake system with such an electromechanical brake actuator |
DE102021207375A1 (en) | 2021-07-12 | 2023-01-12 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Device and method for controlling and powering components in vehicles |
DE102021208059A1 (en) | 2021-07-27 | 2023-02-02 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Electromechanical braking system with recuperation of the energy stored elastically in the brake caliper |
DE102022110230A1 (en) * | 2022-04-27 | 2023-11-02 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Device, braking system and method for force gradient-based control of a passive braking device |
EP4360972A1 (en) * | 2022-10-26 | 2024-05-01 | Dellner Bubenzer AB | Brake unit for a rail vehicle |
DE102022132229A1 (en) | 2022-12-05 | 2024-06-06 | Zf Cv Systems Global Gmbh | Braking system for a vehicle, in particular commercial vehicle |
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- 2018-08-22 CN CN201880056138.XA patent/CN111051166B/en active Active
- 2018-08-22 EP EP18765040.3A patent/EP3676141A1/en not_active Withdrawn
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IT201900024147A1 (en) | 2019-12-16 | 2021-06-16 | Faiveley Transport Italia Spa | Electromechanical assembly for a braking system of a railway vehicle, control system of the electromechanical assembly and braking system including the electromechanical assembly and the control system |
Also Published As
Publication number | Publication date |
---|---|
CN111051166A (en) | 2020-04-21 |
EP3676141A1 (en) | 2020-07-08 |
CN111051166B (en) | 2022-03-08 |
DE102017215289A1 (en) | 2019-02-28 |
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