WO2022037298A1 - Système de freinage électromécanique de véhicule ferroviaire et procédé de commande de force de freinage électromécanique de véhicule ferroviaire - Google Patents

Système de freinage électromécanique de véhicule ferroviaire et procédé de commande de force de freinage électromécanique de véhicule ferroviaire Download PDF

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Publication number
WO2022037298A1
WO2022037298A1 PCT/CN2021/104929 CN2021104929W WO2022037298A1 WO 2022037298 A1 WO2022037298 A1 WO 2022037298A1 CN 2021104929 W CN2021104929 W CN 2021104929W WO 2022037298 A1 WO2022037298 A1 WO 2022037298A1
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WO
WIPO (PCT)
Prior art keywords
braking force
braking
electromechanical
control unit
wheel
Prior art date
Application number
PCT/CN2021/104929
Other languages
English (en)
Chinese (zh)
Inventor
孙环阳
鲁进军
王群
鲍江宁
王业泰
Original Assignee
南京中车浦镇海泰制动设备有限公司
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
Priority claimed from CN202010843976.0A external-priority patent/CN111959468B/zh
Priority claimed from CN202010843018.3A external-priority patent/CN111959466B/zh
Application filed by 南京中车浦镇海泰制动设备有限公司 filed Critical 南京中车浦镇海泰制动设备有限公司
Publication of WO2022037298A1 publication Critical patent/WO2022037298A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
    • 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

Definitions

  • the present invention relates to the technical field of vehicle braking, in particular to an electromechanical braking system of a rail vehicle.
  • the air brake is mainly composed of three parts: the brake control system, the basic brake system and the air supply system.
  • the core device of the brake control system is the brake control device, which integrates the electronic brake control unit, electro-pneumatic conversion Valve (electrical signal to air signal), relay valve (flow amplifying valve), empty-heavy truck regulating valve (for emergency braking), etc.
  • the air supply system consists of an air compressor, a dryer, an air cylinder, a main air duct that runs through the whole vehicle and a plug door, etc., to provide compressed air for the braking system.
  • the basic braking system consists of a brake cylinder, a brake shoe or a brake disc, etc., and receives the pressure air to implement the corresponding braking force.
  • the current electro-pneumatic braking system can be divided into vehicle control control mode and frame control control mode, which only controls the air braking force when the axle slip is detected.
  • Electric brakes and air brakes are subject to the adhesion coefficient between the wheel and rail of the vehicle.
  • the braking force exceeds the adhesion between the wheel and rail, the wheel will slide on the track. If the sliding is serious, the wheel may lock and cause wheel surface scratches. Therefore, when the vehicle brakes, it is necessary to ensure the braking distance and try to avoid sliding.
  • composition and structure of the current brake control system are relatively complex, and there are many components, which increase the failure point and failure probability, which is not conducive to the integration of the system.
  • the air brake response time is relatively long, and the braking force control accuracy is relatively low.
  • the technical problem to be solved by the present invention is to overcome the above shortcomings of the prior art and provide an electromechanical braking system and an electromechanical braking force control method for a rail vehicle.
  • the electromechanical braking system provided by the present invention includes:
  • the signal transmission unit transmits the braking command signal to the communication and main control module of the braking control unit through the data bus or hard wire, and the communication and main control modules of each vehicle carry out signal interaction through the signal transmission unit;
  • Traction control unit installed in the motor car, adjusts the electric braking force according to the electric braking force command information received from the data bus or hard wire, or adjusts the electric braking force according to the received braking command signal, the vehicle load signal and the speed of the own axle ;
  • a brake control unit each vehicle is provided with at least one, including a communication and main control module communicating with the traction control unit and the signal transmission unit, and an electromechanical drive unit module controlled by the communication and main control module, the The communication and main control module controls the electromechanical braking unit to apply electromechanical braking force through the electromechanical drive unit module, and realizes the closed-loop control of the electromechanical braking force according to the braking force fed back by the electromechanical braking unit, so as to realize the friction braking force.
  • Precise control the brake control unit calculates the electromechanical braking force and judges the coasting through the received braking command signal, vehicle load signal and the axle speed signal collected from the speed sensor; or receives the electromechanical braking related information through the signal transmission unit. Signal;
  • the electromechanical braking unit is arranged on each wheel tread or at each wheel disc or each axle disc. It is controlled by the brake control unit to apply braking force to the wheel tread or wheel disc or axle disc, and feeds back the actual output braking force to the brake control unit. brake control unit;
  • the speed sensor is used to collect the axle speed signal of the axle and feed it back to the brake control unit.
  • the present invention also relates to a method for controlling the electromechanical braking force of a rail vehicle, which is realized based on the above electromechanical braking system, and the braking force control method is as follows:
  • One braking control unit in N vehicles is selected as the braking force management unit, and the braking force management unit performs the braking force through the received braking command signal, vehicle load signal and the speed signal collected from the speed sensor or the signal transmission unit.
  • the calculation of the braking force required by the vehicle in the management unit is divided into the following two situations:
  • the electric braking force shall be used preferentially:
  • the required braking force is distributed to each traction control unit, and the electric braking force of the bicycle is limited to not exceed the wheel-rail adhesion limit;
  • the braking force needs to be applied equally to the normal traction control unit, and the electric braking force of the bicycle is limited to not exceed the wheel-rail adhesion limit;
  • Each traction control unit feeds back the actual applied electric braking force to the braking force management unit;
  • the electric mechanical braking force will not be supplemented;
  • the electric braking force shall be used first, and the insufficient electric braking force shall be determined by each braking force in this braking force management unit.
  • the brake control unit of the vehicle evenly distributes the electromechanical braking force to make up, and limits the braking force of a single vehicle or a single axle not to exceed the wheel-rail adhesion limit:
  • the braking force management unit applies to all traction control units in the unit for the maximum electric braking force, and restricts the electric braking force of a single vehicle to not exceed the wheel-rail adhesion limit;
  • Each traction control unit feeds back the actual applied electric braking force to the braking force management unit;
  • the electric mechanical braking force will not be supplemented;
  • the present invention also provides corresponding braking force control methods for three electromechanical braking force and electric braking force management modes.
  • the rail vehicle electromechanical braking system provided by the present invention replaces the air braking system by the electromechanical braking system.
  • the electromechanical brake system has canceled the valve-related components in the brake control device, canceled the air supply system, simplified the structure of the brake control system, reduced the failure points and reduced the failure rate, and reduced the brake control system.
  • Adhesion conditions Adaptively adjust the wheel-rail adhesion coefficient.
  • FIG. 1 is a system block diagram of the electromechanical braking system of the present invention.
  • the electromechanical braking system of this embodiment includes: a signal transmission unit D, a traction control unit A, a braking control unit B, a basic braking unit C and a backup power supply E, and the braking control unit B includes a communication As well as the main control module 1 and the electromechanical drive unit 2 , the basic braking unit C includes an electromechanical braking unit 3 and a speed sensor 4 .
  • the signal transmission unit D transmits the braking command signal to the communication of the braking control unit B and the main control module 1 through the data bus or hard wire, and the communication of each vehicle and the main control module 1 communicate through the signal transmission unit D. interact.
  • the electromechanical drive unit 2 outputs current or voltage or a PWM signal to control the electromechanical drive unit 3 .
  • Traction control unit A is installed in the motor car, and adjusts the electric braking force according to the electric braking force command information received from the data bus or hard wire, or adjusts the electric braking force according to the received braking command signal, vehicle load signal and the speed of the axle of the vehicle .
  • Each vehicle is provided with at least one brake control unit B, including a communication and main control module 1 that communicates with the traction control unit A and the signal transmission unit D, and an electromechanical drive unit controlled by the communication and main control module 1 Module 1, the communication and main control module 1 controls the electromechanical braking unit 3 to apply electromechanical braking force through the electromechanical drive unit module 2, and realizes the electromechanical braking force according to the magnitude of the braking force fed back by the electromechanical braking unit 3. Closed-loop control to achieve precise control of the friction braking force; the braking control unit B calculates the electromechanical braking force and judges the coasting through the received braking command signal, the vehicle load signal and the shaft speed signal collected from the speed sensor 4; Or receive the electromechanical braking related signal through the signal transmission unit D.
  • a communication and main control module 1 that communicates with the traction control unit A and the signal transmission unit D
  • an electromechanical drive unit controlled by the communication and main control module 1 Module 1
  • the communication and main control module 1 controls the electromechanical braking unit 3 to apply electro
  • the brake control unit B realizes real-time wear detection, fault diagnosis or early warning by detecting the gap between the electromechanical brake unit 3 and the brake shoe or brake pad.
  • the brake control unit B adaptively adjusts the wheel-rail adhesion coefficient according to the actual wheel-rail adhesion of the vehicle, and realizes the equal wear control of the basic brake friction components of each vehicle according to the dynamic wheel-rail adhesion.
  • the electromechanical braking unit 3 is arranged on each wheel tread or at each wheel disc or each axle disc, and is controlled by the electromechanical drive unit module 2 to apply braking force to the wheel tread or wheel disc or axle disc, and convert the actual output braking force. Feedback to brake control unit B.
  • the speed sensor 4 is used to collect the axle speed signal of the axle and feed it back to the brake control unit B.
  • the electromechanical brake system is also provided with a backup power supply E that supplies power to the brake control unit B.
  • the braking force control method based on the above electromechanical braking system is as follows: a braking control unit B is selected as the braking force management unit, and the braking force management unit uses the received braking command signal, vehicle load signal and data collected from the speed sensor 4 or The speed signal obtained by the signal transmission unit D is used to calculate the braking force required by the vehicle in the braking force management unit, which is divided into the following two situations:
  • the electric braking force shall be used preferentially:
  • Each traction control unit A feeds back the actually applied electric braking force to the braking force management unit;
  • the mechanical braking force will not be supplemented; Make up for the required braking force, and limit the braking force of a single vehicle or single axle to not exceed the wheel-rail adhesion limit; The mechanical braking force is supplemented;
  • the brake control unit B of each vehicle evenly distributes the electromechanical braking force to make up, and limits the braking force of a single vehicle or a single axle not to exceed the wheel-rail adhesion limit:
  • the braking force management unit applies to all traction control units A in the unit for the maximum electric braking force, and restricts the electric braking force of a single vehicle to not exceed the wheel-rail adhesion limit;
  • Each traction control unit A feeds back the actually applied electric braking force to the braking force management unit;
  • the mechanical braking force will not be supplemented; Make up for the required braking force, and limit the braking force of a single vehicle or a single axle not to exceed the wheel-rail adhesion limit; when the single-vehicle braking force exceeds the wheel-rail adhesion limit, the electromechanical braking force of other vehicles that do not exceed the wheel-rail adhesion limit will be used make up.
  • the electromechanical braking system has three electromechanical braking force and electric braking force management modes, and correspondingly has three braking force management methods.
  • the electromechanical braking force and the electric braking force are managed by the brake control unit B in a unified manner.
  • the braking force control method is as follows: the braking control unit B applies the electric braking force or applies the electromechanical braking force according to the set initial wheel-rail adhesion limit, and when the vehicle is detected to be taxiing, the wheel-rail adhesion coefficient at the time of the taxiing axis is calculated. , and use it as the wheel-rail adhesion limit of the braking force control of this axis. When the sliding resumes or the braking is relieved, the wheel-rail adhesion limit of this axis returns to the initial wheel-rail adhesion limit.
  • the electromechanical braking force and the electric braking force are managed by the brake control unit B and the traction control unit A respectively.
  • the braking force control method is as follows: select a braking control unit B in N vehicles as the braking force management unit, the traction control unit A manages the electric braking force, and the braking force management unit manages the electromechanical braking force;
  • the traction control unit A calculates and applies the electric braking force of the vehicle according to the braking command signal, the vehicle load signal and the speed information, and feeds back the actually applied electric braking force to the braking force management unit or the braking control unit B unit of each vehicle;
  • the braking force management unit calculates the electromechanical braking force required by the braking control unit B of each vehicle according to the braking command signal, the vehicle load signal, the axle speed signal collected from the speed sensor 4 and the electric braking force fed back by the traction control unit A: If the sum of the electric braking force is greater than or equal to the braking force required by the braking force management unit, the mechanical braking force will not be supplemented.
  • the required braking force, and limit the braking force of a single vehicle or a single axle not to exceed the wheel-rail adhesion limit; when the single-wheel or single-axle braking force exceeds the wheel-rail adhesion limit, the electric machinery of other vehicles that do not exceed the wheel-rail adhesion limit will be used. Supplementary braking force.
  • the electric braking force and the electromechanical braking force are calculated by the signal transmission unit D, and sent to the traction control unit A and the braking control unit B respectively.
  • the traction control unit A implements the electric braking force, and limits the electric braking force not to exceed the wheel Rail adhesion limit;
  • the brake control unit B controls the electromechanical braking unit 3 to execute the electromechanical braking force through the electromechanical drive unit 2, and restricts the single-axis electromechanical braking force to not exceed the single-axle wheel-rail adhesion limit.
  • the braking force control method is as follows: select a signal transmission unit D in the N vehicles as a braking force management unit to manage the electric braking force and the electromechanical braking force;
  • the braking force management unit calculates the braking force required by the vehicle in the braking force management unit according to the vehicle load signal, braking command, and axle speed signal, and prioritizes the use of the electric braking force according to the adhesion limit of each wheel and rail, and reports it to the traction control unit A. and the brake control unit B to send the required electric braking force and electromechanical braking force respectively;
  • the traction control unit A applies the electric braking force according to the electric braking force value of the network braking force management unit, and feeds back the actually applied electric braking force to the braking force management unit;
  • the brake control unit B controls the electromechanical braking unit 3 to apply the electromechanical braking force through the electromechanical drive unit 2 according to the electromechanical braking force value sent by the braking force management unit, and feeds back the actually applied electromechanical braking force to the braking force management unit.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Regulating Braking Force (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un système de freinage électromécanique de véhicule ferroviaire et un procédé de commande de force de freinage électromécanique de véhicule ferroviaire. Un système de freinage pneumatique est remplacé par le système de freinage électromécanique, des composants associés tels que des vannes dans un dispositif de commande de freinage et un système d'alimentation en air sont enlevés, la structure d'un système de commande de freinage est simplifiée, des points de défaillance et un taux de défaillance sont réduits, et le poids des composants du système de freinage est réduit; une période de temps de réponse à la force de freinage par friction est écourtée et la performance de freinage est améliorée; une commande d'essieu et une commande de roue d'une force de freinage par friction sous un freinage normal, une commande hybride de freinage électromécanique et de freinage électrique et une commande en boucle fermée de la force de poussée/force de serrage de freinage par friction sont obtenues, une commande de force de freinage de haute précision, une détection d'abrasion en temps réel de sabots de frein ou de garnitures de frein et une commande d'abrasion égale de composants de frottement de freinage de base sont obtenues et la révision d'un véhicule est facilitée; et un coefficient d'adhérence roue-rail peut être ajusté de manière adaptative en fonction des conditions réelles d'adhérence roue-rail du véhicule.
PCT/CN2021/104929 2020-08-20 2021-07-07 Système de freinage électromécanique de véhicule ferroviaire et procédé de commande de force de freinage électromécanique de véhicule ferroviaire WO2022037298A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010843018.3 2020-08-20
CN202010843976.0A CN111959468B (zh) 2020-08-20 2020-08-20 一种轨道车辆电机械制动力控制方法
CN202010843976.0 2020-08-20
CN202010843018.3A CN111959466B (zh) 2020-08-20 2020-08-20 一种轨道车辆电机械制动系统

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WO2022037298A1 true WO2022037298A1 (fr) 2022-02-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114670897A (zh) * 2022-04-28 2022-06-28 中车青岛四方车辆研究所有限公司 基于两级控制架构的牵引制动融合系统及方法
CN115476825A (zh) * 2022-09-29 2022-12-16 华伍轨道交通装备（上海）有限责任公司 一种用于轨道车辆的制动系统及其控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105398438A (zh) * 2015-11-24 2016-03-16 株洲南车时代电气股份有限公司 一种轨道交通列车牵引制动系统及方法
CN108437963A (zh) * 2017-09-06 2018-08-24 上海六辔机电科技有限公司 一种微机控制电机械制动系统
US20190031214A1 (en) * 2016-02-02 2019-01-31 Mitsubishi Electric Corporation Brake control device for electric vehicle
CN111301375A (zh) * 2019-12-14 2020-06-19 中车大连电力牵引研发中心有限公司 一种用于轨道车辆的制动力管理系统及方法
CN111959468A (zh) * 2020-08-20 2020-11-20 南京中车浦镇海泰制动设备有限公司 一种轨道车辆电机械制动力控制方法
CN111959466A (zh) * 2020-08-20 2020-11-20 南京中车浦镇海泰制动设备有限公司 一种轨道车辆电机械制动系统
CN112060919A (zh) * 2020-09-21 2020-12-11 中车青岛四方车辆研究所有限公司 轨道车辆制动融合控制系统及方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105398438A (zh) * 2015-11-24 2016-03-16 株洲南车时代电气股份有限公司 一种轨道交通列车牵引制动系统及方法
US20190031214A1 (en) * 2016-02-02 2019-01-31 Mitsubishi Electric Corporation Brake control device for electric vehicle
CN108437963A (zh) * 2017-09-06 2018-08-24 上海六辔机电科技有限公司 一种微机控制电机械制动系统
CN111301375A (zh) * 2019-12-14 2020-06-19 中车大连电力牵引研发中心有限公司 一种用于轨道车辆的制动力管理系统及方法
CN111959468A (zh) * 2020-08-20 2020-11-20 南京中车浦镇海泰制动设备有限公司 一种轨道车辆电机械制动力控制方法
CN111959466A (zh) * 2020-08-20 2020-11-20 南京中车浦镇海泰制动设备有限公司 一种轨道车辆电机械制动系统
CN112060919A (zh) * 2020-09-21 2020-12-11 中车青岛四方车辆研究所有限公司 轨道车辆制动融合控制系统及方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114670897A (zh) * 2022-04-28 2022-06-28 中车青岛四方车辆研究所有限公司 基于两级控制架构的牵引制动融合系统及方法
CN114670897B (zh) * 2022-04-28 2023-11-17 中车青岛四方车辆研究所有限公司 基于两级控制架构的牵引制动融合系统及方法
CN115476825A (zh) * 2022-09-29 2022-12-16 华伍轨道交通装备（上海）有限责任公司 一种用于轨道车辆的制动系统及其控制方法

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