EP3774461A1 - Dispositif de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique, système de frein à main électro-pneumatique, véhicule et procédé de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique - Google Patents

Dispositif de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique, système de frein à main électro-pneumatique, véhicule et procédé de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique

Info

Publication number
EP3774461A1
EP3774461A1 EP19715836.3A EP19715836A EP3774461A1 EP 3774461 A1 EP3774461 A1 EP 3774461A1 EP 19715836 A EP19715836 A EP 19715836A EP 3774461 A1 EP3774461 A1 EP 3774461A1
Authority
EP
European Patent Office
Prior art keywords
circuit arrangement
parking brake
electro
ecu
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19715836.3A
Other languages
German (de)
English (en)
Inventor
Alexander WENDLANDT
Andreas MALASKE
Axel Peuser
Harmut Schappler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF CV Systems Europe BV
Original Assignee
Wabco GmbH
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 Wabco GmbH filed Critical Wabco GmbH
Publication of EP3774461A1 publication Critical patent/EP3774461A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/10—Disposition of hand control
    • B60T7/102—Disposition of hand control by means of a tilting lever
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • 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
    • B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B60T7/10—Disposition of hand control
    • B60T7/107—Disposition of hand control with electrical power assistance
    • 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
    • B60T8/88—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 with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—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 with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/02—Details
    • H01H23/12—Movable parts; Contacts mounted thereon
    • 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
    • B60T2270/403—Brake circuit 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
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/413—Plausibility monitoring, cross check, redundancy

Definitions

  • the invention relates to a device for controlling and regulating an electro-pneumatic parking brake circuit and an electro-pneumatic hand brake system (EPH system), a vehicle and a method for controlling and regulating an electro-pneumatic parking brake circuit.
  • EPH system electro-pneumatic hand brake system
  • an electro-pneumatic parking brake circuit for actuating a parking brake.
  • the parking brake is used, for example, as a parking brake or as an emergency brake ge.
  • an electro-pneumatic parking brake circuit includes a supply of compressed air, pneumatic lines and electro-pneumatic Ventili le to supply spring brake cylinder via a spring-loaded connection with compressed air.
  • An electro-pneumatic parking brake circuit is usually controlled by an electronic control unit (ECU), which is connected via electrical lines with the corresponding electro-pneumatic valves of the parking brake circuit.
  • ECU electronice control unit
  • the parking brake of a vehicle is regularly checked by means of a manual control unit, such as a car. B. a button, operated, the z. B. can be integrated into the dashboard of the vehicle or is located in another cab in the driving cab.
  • the manual control unit is connected via connecting lines with the control electronics (ECU) for controlling the parking brake circuit.
  • the control electronics (ECU) receive a control signal from the hand control unit. unit, evaluates the control signal and controls accordingly the electro-pneumatic valves of the parking brake circuit.
  • a parking brake can be engaged even when switched off ignition, the control electronics has a permanent power supply
  • the manual control unit and the control electronics (ECU) for controlling the Parking brake circuit can be far apart.
  • the distance between the manual control unit and the control electronics (ECU) z For example, 7 to 12 meters betra conditions.
  • ECU control electronics
  • a gradlo se proportional actuation possibility of the parking brake by means of a manual control unit is regularly asked how they z.
  • a status light in the dashboard of a vehicle is required to indicate conditions of the parking brake.
  • a test function of the trailer parking brake and a Steckbremsbetusch of the trailer with the manual control unit should be possible.
  • the Handkon control unit In order to increase the safety in the transmission of the control signal from a Handkon control unit to an electronic control unit (ECU), the Handkon control unit usually comprises a dual-circuit transmission device with a first circuit arrangement and a redundant to the first circuit arrangement Danten circuit arrangement.
  • the first circuit arrangement and the redun dante circuit arrangement are typically carried out redundantly when operating the hand control unit and are connected via connecting lines to the control electronics (ECU). Due to the two-circuit schreibssein direction is a transmission of a control signal from the manual control unit to the control electronics (ECU) and thus actuation of the parking brake even in case of failure or failure of one of the two GmbHungsanord calculations of the manual control unit possible.
  • a device for controlling and regulating an electro-pneumatic parking brake circuit with a manual control unit with dual-circuit analog transmission means for transmitting control signals from the manual control unit to a control electronics known for example from EP 1966016 B1.
  • a button for operating an electro-pneumatic handbrake (EPH) testify in road driving with an attached via connecting control electronics (ECU) described.
  • the control electronics are used to evaluate the button as well as to control the EPH. For switching position and / or error detection of the button, the potentials of the connection lines of the button are evaluated by means of the ECU.
  • two parallel, identical, mechanically coupled GE switching groups --Schaltxx 1 and group 2 - provided, which are jointly actuated for alternately inserting and releasing the handbrake (EPH) by means of a first button.
  • the two redundant switching groups so far contain two switches, which are connected with their base to the circuit lines, and with their switching poles in Oxford stood the button with each have a first resistance contact.
  • Manual control units with purely analog two-circuit litissseinrichtun conditions or bidirectional transmission facilities especially those that are based only on a data transmission channel, namely the analogous carry over control signals from a manual control unit to a control electronics, the above-mentioned requirements are not equal.
  • a Handkontrol liser with a reliable two-circuit transmission device for si-safe transmission of control signals to an electronic control is desirable.
  • a hand control unit with a dual-circuit transmission device should also have high availability and flexibility and a bi-directional data transmission with a control electronics ermögli chen.
  • the invention begins, whose task is to address at least one of the above addressed aspects and in particular a Vorrich device and a method by which a reliable transmis supply of control signals from a manual control unit to a control electronics can be realized and by means of which particular at least some of the user-requested further features are implemented.
  • the object is achieved with respect to the device by a device for STEU ners and rules of an electro-pneumatic parking brake circuit according to claim 1.
  • the invention relates to a device for controlling and regulating an electro-pneumatic parking brake circuit, a manual control unit (HCU) for actuating a parking brake by means of the electro-pneumatic parking brake circuit and
  • HCU manual control unit
  • the hand control unit (HCU) comprises a first circuit arrangement and a second circuit arrangement.
  • the first circuit arrangement is the least verbun least via a first connecting line to the control electronics (ECU) and the
  • the second circuit is at least connected via a second Anschlußlei device with the control electronics (ECU).
  • ECU control electronics
  • the first circuit arrangement and the second circuit arrangement are re dundant, preferably simultaneously, operable. According to the invention, provision is made for such a redundant first and second circuit arrangement that
  • the first circuit arrangement is a digital circuit arrangement
  • the at least first connection line is a digital data transmission channel, which is designed to enable digital data transmission between the digital circuit arrangement and the control electronics (ECU).
  • the second circuit arrangement is an analog circuit arrangement
  • the at least second connection line is an analog data transmission channel which is designed to enable analog data transmission from the analogue circuit arrangement to the control electronics (ECU).
  • the invention also leads to an electro-pneumatic handbrake (EPH) system according to claim 12 and to a vehicle according to claim 13.
  • EPH electro-pneumatic handbrake
  • the invention is based on the consideration that a dual-circuit redundant transmission device is basically useful to meet the highbonean requirements.
  • the invention is now based on the finding that the requirements mentioned above can also be met by a dual-circuit transmission device having a first digital circuit arrangement and a second digital circuit arrangement that can be actuated redundantly with respect to the digital circuit arrangement.
  • the redundant digital circuit arrangement and the analog circuit arrangement are, in particular, electrically independent of one another, that is to say the circuit of the digital circuit arrangement and the circuit of the analog circuit arrangement are not electrically connected to one another, however. nevertheless still simultaneously, operable.
  • the digital communication channel and the analog communication channel are also independent of each other and provide independent control signals.
  • the digital scarf processing arrangement and the analog circuitry are but redundantly operated simultaneously, ie the circuit of the digital circuitry and the circuit of the analog circuitry are closed at the same time ge, so that a current can flow.
  • the digital circuitry and the analog circuitry can be used for different functions.
  • the redundant digital and analog circuitry is provided redundantly for the same function.
  • the redundant analog circuitry in such a case of failure of the digital circuitry, the redundant analog circuitry, the function, for example, a determination of the parking brake, take over the failed digital circuitry and corre sponding control signals by means of the analog data transmission channel to an electronic control unit (ECU).
  • ECU electronice control unit
  • the data transmission of certain control signals from the failed digital circuitry to the redundant analog Druckungsanord voltage can be changed.
  • a high availability is guaranteed even with the first error.
  • a transmission of a time-continuous electrical signal takes place via the analog data transmission channel. It is thus in the mathematical sense of a smooth function.
  • the redundant analog data transmission channel can, in the event that a vehicle is not in operation and z. B. is started by turning an ignition key, to turn on (wake-up) of the control electronics (ECU) serve.
  • the control electronics (ECU) will then turn off the received data signals and accordingly control a lock or release of a parking brake.
  • the analog communication channel may be used for the emergency function at the first fault.
  • the digital signal can also be a purely binary signal. In the mathematical sense, the digital signal can be described by a step function. Via the digital data transmission channel, z. B. differently designed display elements are controlled, which are addressed by the control electronics (ECU).
  • ECU control electronics
  • the analog and digital data transmission channels are preferably monitored separately according to different principles.
  • the analog data transmission channel can z. B. be monitored by means of testing the voltage range.
  • the digital data transmission channel can, for. Example by calculating the checksum, or by the fact that the data transfer are added to the counters counter or monitored by checking a timeout during data transmission.
  • the digital data transmission channel is also bidirectional.
  • the return channel of a bidirectional digital communication channel can also be used for diagnostic purposes or for error signaling. Through the digital channel, in particular a stepless request realized who the.
  • the manual control unit has a first button and the digital GmbHungsanord voltage a first switching contact and the analog circuitry has a first redundant switching contact, wherein the first switching contact and the first redundant switching contact can be actuated by the first button ,
  • the first button is provided for the activation or deactivation of at least one parking brake.
  • the button is preferably a single button with the two switching positions "pressed” and “not pressed”.
  • the wake-up function is also carried out via a digital data transmission channel.
  • the wake-up function is used to switch on (wake-up) the control electronics (ECU).
  • the wake-up function is required in particular when starting a vehicle.
  • the control electronics (ECU) evaluates the data received from the hand control unit NEN data signals and controls accordingly inserting or releasing the parking brake.
  • the digital and analogue data transmission channel are used point-to-point between the manual control unit and the control electronics (ECU).
  • the analogue and the digital data transmission channel are therefore preferably electrically independent of each other.
  • the manual control unit also has a second pushbutton and the digital circuit arrangement has a second switch contact and the analog circuit arrangement has a second redundant switch contact.
  • the second switching contact and the second redundant switching contact can be actuated by the second button.
  • the second button is for activating a trailer test function.
  • the trailer test function is preferably designed such that the service brake of the trailer is released with the parking brake engaged during the test. This makes it possible to check whether the parking brake of the towing vehicle covers the entire vehicle combination, i. Towing vehicle with trailer, can hold safely.
  • first push-button and the second push-button each have electrically independent switching contacts. These are preferred, preferably in parallel independent Switching contacts actuated at the same time.
  • first button and the second button designed as a double rocker switch.
  • the analog circuit arrangement is provided for an emergency function at the first error and for a wake-up of Steuerelekt ronik and the digital circuitry for a main signal transmission is provided.
  • the emergency function is preferably designed such that in the event of an error message, e.g. is triggered by a failure of the main digital signal transmission, the data transmission is converted to the analog data transmission.
  • the particular, determined by the first and second buttons, Heidelbergzu was the first and second redundant switch contact critical.
  • the activation of the emergency function is preferably carried out automatically, in particular in case of failure of the digital main signal transmission.
  • the main digital signal transmission typically comprises a data transmission for controlling the status LED, data transmission on the status of the first and second buttons, data transmission for protocol protection (such as message counter, checksum) and the transmission of data in which diagnostic information is coded.
  • protocol protection such as message counter, checksum
  • the digital scarf processing arrangement comprises an interface module which transmits information about a switching state of the first switching contact and / or information about a switching state of the second switching contact via a digital data transmission channel to the control electronics (ECU).
  • ECU control electronics
  • the interface module is z. As a LIN or CAN interface and measures the state of the first switching contact and the second switching contact of the digital scarf processing arrangement via a digital input of the interface module. The information about the switching state of the first switching contact and of the second switching contact of the digital circuit arrangement can then be transmitted via a bidirectional circuit. be transmitted to the electronic control unit (ECU).
  • ECU electronice control unit
  • a manually operated proportional encoder signal can be read. From the interface module can z. B. itatielemen te as a function indicator light or an error indicator light, the z. B. can be integrated into an operating element in the vehicle, are controlled.
  • the first redundant switching contact and / or the second redundant switching contact of the analog circuit arrangement are provided in duplicate.
  • a double design of the respective switching contacts can lead to an increase in functional reliability.
  • the first Heidelberg clock and / or the second switching contact of the digital circuit arrangement are provided dop pelt.
  • a double version of the respective switching contacts can lead to an increase in reliability.
  • the digital data transmission channel is designed as a LIN bus or CAN bus.
  • the digital data transmission channel is designed as a LIN bus
  • three line veins between the digital circuit and the control electronics (ECU) are benö taken.
  • the digital communication channel is formed as a CAN bus, four wires are needed between the digital circuit and the control electronics (ECU).
  • the digital scarf processing arrangement further comprises a proportional sensor which transmits a per-proportional encoder signal to an interface module.
  • the proportional sensor is mechanically coupled to the first button.
  • the proportional encoder is mechanically coupled to the first button.
  • an electro-pneumatic handbrake (EPH) system pointing at least one electro-pneumatic parking brake with we least one spring brake cylinder for releasing and inserting least one parking brake and a device for controlling and regulating the electro-pneumatic parking brake circuit.
  • the device is designed according to at least one of the aforementioned embodiments.
  • the above-mentioned Aufga be solved by a vehicle having an out in accordance with the second aspect forms electro-pneumatic handbrake (EPH) system.
  • EPH electro-pneumatic handbrake
  • the invention relates to a method for controlling and regulating an electro-pneumatic parking brake circuit for actuating a parking brake
  • the first circuit arrangement is a digital circuit arrangement
  • the at least first connection line is a digital undergraduatetragungska channel, by means of which a digital data transmission between the digital circuitry of the hand control unit (HCU) and the control electronics (ECU) is enabled and the redundant second circuit arrangement an analog circuit is
  • the at least second connecting line is an analogue data transmission channel, by means of which an analogue data transmission Transmission of the analog circuitry of the manual control unit to the control electronics (ECU) is made possible.
  • Fig. 1 is a schematic representation of the outside view of a preferred imple mentation of the device for controlling and regulating an electro-pneumatic parking brake circuit
  • Fig. 2 is a detailed illustration of a preferred embodiment of the dual-circuit transmission device
  • Fig. 3 is a schematic representation of a vehicle with an electro
  • EPH pneumatic handbrake
  • Fig. 1 shows schematically the external view of a device 50 for controlling and regulating a not shown here electro-pneumatic parking brake circuit.
  • the device 50 comprises a manual control unit (HCU) 10, which is connected by means of digital connection lines A1 and analog connection lines A2 to the control electronics (ECU) 20.
  • HCU manual control unit
  • ECU control electronics
  • the embodiment shown can serve, for example, for actuating an electro-pneumatic parking brake.
  • the control electronics (ECU) 20 would be connected to a number of not shown here electro-pneumatic valves of an electro-pneumatic parking brake circuit.
  • the digital connection lines A1 allow bidirectional signal transmission, so that, for example, the status of the parking brake by means of a status display, z.
  • a status display z.
  • a signal lamp could be displayed, which could be integrated into a not shown dashboard of a vehicle.
  • the digital connection lines A1 can be designed, for example, as a CAN bus or as a LIN bus. In the event that the digital connection lines are designed as a LIN bus, three data transmission channels between a manual control unit (HCU) and an electronic control unit (ECU) are required. In the event that the digital connection lines are designed as a CAN bus, four data transmission channels between a manual control unit (HCU) and an electronic control unit (ECU) are required.
  • a first button T1 and a second button T2 are provided. The first button T 1 is provided for inserting and releasing a parking brake, not shown here. The second button T2 is provided for activating a trailer test function. In a representation, not shown, a first button and a second button are integrated into the dashboard of a vehicle.
  • a corresponding control signal is transmitted via the digital connection lines A1 and / or the analog connection lines A2 to the control electronics (ECU) 20 and evaluated by the control electronics (ECU) 20.
  • Fig. 2 shows the internal structure, or the circuit of a preferred Einrich device 50 for controlling and regulating a not shown here electro
  • a manual control unit (HCU) 10 is connected to the control electronics (ECU) 20 by means of digital A1a, A1b, A1c and analogue A2a, A2b.
  • digital A1a, A1b, A1c and analog A2a, A2b lines are connected point-to-point between the manual control unit (HCU) 10 and the control electronics (ECU) 20.
  • the manual control unit HCU comprises the first circuit arrangement S1 and the second circuit arrangement S2.
  • the first circuit arrangement S1 and the second circuit arrangement S2 are redun dant and preferably simultaneously actuated.
  • the first circuit arrangement S1 is a digital circuit arrangement.
  • the digital connection lines A1a, A1b, A1c are digital aspiringtragungska channels that allow a bidirectional digital data transmission between the Handkon control unit HCU and the control electronics ECU.
  • the second circuit arrangement S2 is an analog circuit arrangement.
  • the connection lines A2a, A2b are analogue data transmission channels which have an analogous data transmission channel. transmission from the manual control unit HCU to the control electronics (ECU).
  • the digital circuit arrangement S1 comprises a first switching contact 21, which is connected in series with a resistor R21. Connected in parallel with the first switching contact 21 and the resistor R21 (preferably 10 kOhm), the digital circuit arrangement S1 has a second switching contact 22, which is connected in series with a resistor R22 (preferably 10 kOhm). In a representation not shown here, a first and a second Heidelberg clock are provided in duplicate, which can lead to an increase in reliability. About the digital data transmission channel A1 c, the digital scarf processing arrangement S1 with the input voltage (UD) 65 is connected.
  • UD input voltage
  • the digital circuit arrangement S1 also has an interface module 30. This is connected via a bidirectional digital data transmission channel A1 b to the control electronics (ECU) 20. In the illustration shown, the interface module 30 transmits the information about the switching state of the first switching contact 21 or the information about the switching state of the second switching contact 22 or both via the digital data transmission channel A1 b to the control electronics (ECU) 20.
  • a manually operated proportional encoder signal can also be read, which in the illustration shown is transmitted from the proportional encoder P1 to the interface module.
  • a function control lamp or error control lamp is integrated in an operating element in the vehicle.
  • the second circuit arrangement S2 is an analog circuit arrangement comprising a first redundant switching contact 11 connected in series with a resistor R1 (preferably 10 kOhm). Parallel to the first Switched dundant switching contact 1 1 and the resistor R1 1, the ana loge circuit S2 has a second redundant switch 12 which is connected in series with a resistor R12 (preferably 10 kohms). In a representation not shown here, a first redundant and a second redundant switching contact may also be provided in duplicate.
  • the analog circuit S2 has a capacitor C1, preferably with a capacitance of 100 nF. The capacitor C1 is also used to discharge when closing the switch contacts 1 1 and / or 12 on this and thereby achieve a contact cleaning.
  • the manual control unit (HCU) 10 has a first button n.
  • the first button T1 By means of the first button T1, the first switching contact 21 of the digital Heidelbergungsan Regulation S1 and the first redundant switching contact 11, the analog scarf processing arrangement S2 can be actuated.
  • the first switching contact 21 and the first redundant switching contact 1 1 are actuated together.
  • a first button for the activation or deactivation of a parking brake is provided.
  • the manual control unit (HCU) 10 also has a second button T2.
  • the second button T2 By means of the second button T2, the second switching contact 22 of the digital circuit arrangement S1 and the second redundant switching contact 12, the ana loge circuit S2 can be operated redundantly.
  • the second switching contact 22 and the second redundant switching contact 12 are common, i. at the same time, operable. In a game petssbei not shown here, a second button for activating a trailer test function is seen easily.
  • the analog data transmission channel A2b is connected, inter alia, via a resistor R31 to the battery voltage (UB) 60.
  • the battery voltage (UB) 60 is switched and can be evaluated to detect Ver wiring errors (UT) 66. For example, in the event of short circuits, battery voltage or ground results in voltage levels that deviate from the voltage levels when the switch is open or closed. Such a deviation can be detected by evaluating the battery voltage.
  • the analog data transmission channel A2a is connected to increase the Kurzschlußfes activity in the input circuit of the control electronics (ECU) 20 with an overcurrent protection T31 to the ground potential (URef) 67 out. Furthermore, the analog data transmission channel A2a is used for the wake-up 68 of the control electronics (ECU) 20.
  • an electronic control unit can be turned on by means of a wake-up function.
  • the control electronics could then evaluate received data signals and correspondingly control an engagement or release of a parking brake, not shown here.
  • the electro-pneumatic handbrake (EPH) system 100 includes a device 50 for controlling and regulating an electro-pneumatic parking brake circuit 1.
  • a device and for controlling and regulating an electro-pneumatic parking brake circuit comprises a Manual control unit (HCU), which is connected by means of a dual-circuit transmission device with a control electronics (ECU).
  • HCU Manual control unit
  • ECU control electronics
  • a corresponding device may be formed in an embodiment not shown here, for example, as shown in Fig. 2.
  • the electro-pneumatic hand brake (EPH) system 100 further comprises ei NEN electro-pneumatic parking brake circuit 1 10, with which Victorias least a spring brake cylinder 120 can be aerated or vented. Accordingly, the loading or ventilation state of the at least one Federspei cherbremszylinders 120, a parking brake 130 can be released or inserted.
  • the electro-pneumatic parking brake circuit 1 10 is controlled in the ge Service th representation by means of a device 50.
  • HCU hand control unit
  • control electronics ECU
  • Electro-pneumatic flange brake (EPFI) system 1 Electro-pneumatic parking brake circuit 120 Spring-loaded brake cylinder
  • A1 (a, b, c) digital transmission channels

Landscapes

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

Abstract

L'invention concerne un dispositif conçu pour commander et réguler un circuit de frein de stationnement électro-pneumatique, qui présente : - une unité de contrôle à main (HCU) destinée à actionner un frein de stationnement au moyen du circuit de frein de stationnement électro-pneumatique, - une électronique de commande (ECU) reliée électriquement à l'unité de contrôle à main (HCU), - l'unité de contrôle à main (HCU) présentant un premier circuit et un deuxième circuit, - le premier circuit étant relié à l'électronique de commande (ECU) au moins par l'intermédiaire d'une première ligne de raccordement, et - le deuxième circuit étant relié à l'électronique de commande (ECU) au moins par l'intermédiaire d'une deuxième ligne de raccordement.
EP19715836.3A 2018-04-07 2019-03-21 Dispositif de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique, système de frein à main électro-pneumatique, véhicule et procédé de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique Withdrawn EP3774461A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018002827.6A DE102018002827A1 (de) 2018-04-07 2018-04-07 Einrichtung zum Steuern und Regeln eines elektro-pneumatischen Feststellbremskreises, ein Elektro-pneumatisches Handbrems-System, ein Fahrzeug und ein Verfahren zum Steuern und Regeln eines elektro-pneumatischen Feststellbremskreises
PCT/EP2019/057117 WO2019192853A1 (fr) 2018-04-07 2019-03-21 Dispositif de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique, système de frein à main électro-pneumatique, véhicule et procédé de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique

Publications (1)

Publication Number Publication Date
EP3774461A1 true EP3774461A1 (fr) 2021-02-17

Family

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Application Number Title Priority Date Filing Date
EP19715836.3A Withdrawn EP3774461A1 (fr) 2018-04-07 2019-03-21 Dispositif de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique, système de frein à main électro-pneumatique, véhicule et procédé de commande et de régulation d'un circuit de frein de stationnement électro-pneumatique

Country Status (5)

Country Link
US (1) US11697403B2 (fr)
EP (1) EP3774461A1 (fr)
CN (1) CN111936358B (fr)
DE (1) DE102018002827A1 (fr)
WO (1) WO2019192853A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113428125B (zh) * 2021-07-27 2022-12-16 中汽创智科技有限公司 一种驻车控制系统、方法及车辆

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59902258D1 (de) * 1998-01-31 2002-09-12 Continental Teves Ag & Co Ohg Kraftfahrzeugbremssystem mit einer elektrisch steuerbaren feststellbremsanlage
JP2002529314A (ja) * 1998-11-12 2002-09-10 コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト 電気操作可能な駐車ブレーキを制御する装置と方法
DE10333966A1 (de) 2003-07-25 2005-02-10 Robert Bosch Gmbh Verfahren zur Aktivierung einer automatisierten Parkbremse
DE10336611A1 (de) 2003-08-08 2005-03-03 Wabco Gmbh & Co.Ohg Druckmittelbetriebene Bremsanlage für ein Fahrzeug
DE10353056B4 (de) * 2003-11-13 2006-04-20 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bedienungseinrichtung einer elektrischen Parkbremse eines Fahrzeugs
DE102005020626B4 (de) * 2005-05-03 2012-07-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremsvorrichtung einer Zugfahrzeug-Anhängerkombination mit Streckbremsfunktion
DE102005042304A1 (de) * 2005-09-06 2007-03-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung und Verfahren zum Steuern einer elektrischen Feststellbremse eines Nutzfahrzeugs
DE102005043607B4 (de) 2005-09-06 2015-03-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Verfahren zum Steuern einer elektrischen Feststellbremse eines Nutzfahrzeugs
DE102005060810A1 (de) 2005-12-20 2007-07-12 Wabco Gmbh Taster zum Betätigen einer elektro-pneumatischen Handbremse (EPH)
DE102010003232A1 (de) * 2009-04-06 2010-10-07 Continental Teves Ag & Co. Ohg Verfahren zum Betreiben einer Bremsanlage, Bremsanlage und Kraftfahrzeug
DE102009046231A1 (de) * 2009-10-30 2011-05-05 Robert Bosch Gmbh Elektrisches Bremssystem, insbesondere elektromechanisches Bremssystem
DE102014006615A1 (de) * 2014-05-08 2015-11-12 Wabco Gmbh Druckmittelbetriebenes Bremssystem für ein Kraftfahrzeug sowie Kraftfahrzeug damit
CN203920717U (zh) * 2014-05-30 2014-11-05 比亚迪股份有限公司 一种驻车制动装置及车辆
DE102015120588A1 (de) * 2015-11-27 2017-06-01 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Verfahren und Vorrichtung zum Betreiben eines Bremssystems für ein Fahrzeug und Bremssystem

Also Published As

Publication number Publication date
CN111936358A (zh) 2020-11-13
CN111936358B (zh) 2022-08-26
US11697403B2 (en) 2023-07-11
US20210155206A1 (en) 2021-05-27
WO2019192853A1 (fr) 2019-10-10
DE102018002827A1 (de) 2019-10-10

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