WO2023051184A1 - 一种用于城轨车辆电机械制动系统的停放制动控制方法 - Google Patents

一种用于城轨车辆电机械制动系统的停放制动控制方法 Download PDF

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WO2023051184A1
WO2023051184A1 PCT/CN2022/117158 CN2022117158W WO2023051184A1 WO 2023051184 A1 WO2023051184 A1 WO 2023051184A1 CN 2022117158 W CN2022117158 W CN 2022117158W WO 2023051184 A1 WO2023051184 A1 WO 2023051184A1
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brake
parking
power
control
signal
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PCT/CN2022/117158
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English (en)
French (fr)
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时瑞
梁艺凡
时蒙
陈小伟
黄沈阅
王楠
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中车南京浦镇车辆有限公司
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Priority to DE112022001337.0T priority Critical patent/DE112022001337T5/de
Publication of WO2023051184A1 publication Critical patent/WO2023051184A1/zh

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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
    • B61H13/02—Hand or other personal actuation
    • 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
    • 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
    • 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
    • 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
    • B61H13/20—Transmitting mechanisms
    • 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

Definitions

  • the invention relates to the braking field of urban rail vehicles, in particular to a parking braking control method for an electromechanical braking system of urban rail vehicles.
  • the air brake method which is mainly composed of three parts: the air supply system, the basic brake system and the brake control system.
  • the air supply system provides compressed air for the braking system, which is mainly composed of an air compressor, a dryer, an air cylinder, a main air duct running through the whole vehicle, and a plug door;
  • the basic braking system receives the compressed air to implement the corresponding braking force, mainly It is composed of brake cylinder, brake shoe or brake disc, etc.
  • the core device of the brake control system is the brake control device, which integrates the electronic brake control unit, electro-pneumatic conversion valve, relay valve, emergency brake valve etc.
  • the train parking brake control based on the air brake scheme is to control the application and release of the parking brake force by controlling the relationship between the air pressure between the brake air cylinder and the parking brake cylinder and the force between the springs, and to control the application and release of the parking brake force, and to control the application and release of the parking brake force, as well as when the vehicle is sleeping, Automatic application of parking brake force after total wind leakage.
  • the air brake scheme uses compressed air as the execution medium of the brake system.
  • the structure of the brake system is relatively complex and there are many components, which is not conducive to the integration of the brake system.
  • the air supply system has many components and the failure point
  • the brake response time of the air brake system is relatively long, and the braking force control accuracy is relatively low.
  • the electromechanical brake system instead of the air brake system to urban rail vehicles, a parking system controlled by the traditional air circuit appeared.
  • the trigger principle of the parking brake is different from that controlled by the circuit, that is, the air brake system uses the pressure of the air cylinder to control the application or release of the parking brake, and at the same time, with the leakage of the main wind, the pressure of the main wind decreases and the parking brake is automatically applied. brake.
  • the electromechanical braking system cannot adopt the above-mentioned control scheme. At the same time, because the electromechanical brake is completely triggered and relieved by the circuit control, the electromechanical brake is applied through the power supply circuit to control the electric tread.
  • the electro-mechanical braking system is designed for loading for the first time, and many control schemes on the vehicle side are still blank, and there is no corresponding parking control scheme at all.
  • the technical problem to be solved by the present invention is to provide a parking brake control method for the electromechanical braking system of urban rail vehicles in view of the above-mentioned deficiencies in the prior art.
  • the vehicle realizes the brake application and release in the parking state, and realizes the application and release of the parking brake when the urban rail vehicle enters the dormant state.
  • a parking brake control method for an electromechanical braking system of an urban rail vehicle comprising an operation command mechanism, a brake control mechanism, an electromechanical actuator, and an auxiliary mechanism; the operation command mechanism outputs a control signal to the electromechanical actuator , to drive the action of the brake control mechanism to realize the brake application and release of the vehicle, and the auxiliary mechanism is used for the redundant power supply system of the brake system;
  • Described control method specifically comprises the following steps:
  • the vehicle issues an operation command through the operation command mechanism, and outputs the power-on and power-off signals of the parking and applying train line, the power-on and power-off signal of the parking relief train line, and the power-on signal of the zero-speed train line and power-off signal, these three control signals are input to the brake control mechanism; the brake control mechanism outputs the control power supply and control signal to the electromechanical actuator through logical judgment;
  • Parking brake application for stationary trains When the train is stopped, the zero-speed train line is powered on; operate the parking brake application button on the driver's console, and the operation command mechanism outputs the signal for parking and applying the train line and the parking relief train
  • the brake control mechanism After receiving the three logic signals, the brake control mechanism provides control power and outputs a parking brake application command to the electromechanical actuator.
  • the electromechanical actuator controls the bogie brake motor to rotate forward, and the application controls parking. Braking; after the brake is applied, the electromechanical actuator transmits a feedback signal to the brake control mechanism;
  • the auxiliary mechanism includes a zero-speed state monitoring mechanism for monitoring the zero-speed state of the vehicle; the auxiliary mechanism also includes an energy storage battery mechanism for providing backup power.
  • the dormant state signal includes outputting a power-off signal of the parking application train line, a power-off signal of the parking relief train line, and a power-on signal of the zero-speed train line.
  • the parked vehicle inputs the dormant state signal to the braking control mechanism and the auxiliary mechanism through the operation instruction mechanism, and the zero-speed state monitoring mechanism of the auxiliary mechanism The zero-speed state of the vehicle is monitored, the energy storage battery mechanism of the auxiliary mechanism outputs the backup power, and the brake control mechanism applies the parking brake to complete the dormant braking of the parked train.
  • the auxiliary mechanism detects the failure of the auxiliary power supply.
  • the control power supply is provided and the parking brake relief command is output to the electromechanical actuator, and the parking brake is applied.
  • the failure of the auxiliary mechanism is displayed on the network control panel.
  • auxiliary power failure In the case of auxiliary power failure, it can detect the zero-speed status of urban rail vehicles, automatically apply parking brakes to ensure vehicle safety, and upload fault feedback to TCMS.
  • Fig. 1 is a schematic diagram of a parking braking control method for an electromechanical braking system of an urban rail vehicle according to the present invention.
  • Fig. 2 is a schematic block diagram of parking brake application during sleep in a parking brake control method for an electromechanical brake system of an urban rail vehicle according to the present invention.
  • Operation command mechanism 20. Brake control mechanism; 30. Electromechanical actuator; 40. Auxiliary mechanism; 41. Zero-speed state monitoring mechanism; 42. Energy storage battery mechanism.
  • a parking braking control method for an electromechanical braking system of an urban rail vehicle includes an operation instruction mechanism 10, a braking control mechanism 20, an electromechanical actuator 30, and an auxiliary mechanism 40;
  • the operation command mechanism 10 outputs control signals to the electromechanical actuator 30 to drive the brake control mechanism 20 to apply and release the brakes of the vehicle.
  • the auxiliary mechanism is used for the redundant power supply system of the brake system.
  • the auxiliary mechanism 40 also includes a zero-speed state monitoring mechanism 41 for monitoring the zero-speed state of the vehicle and an energy storage battery mechanism 42 for providing backup power.
  • Described control method specifically comprises the following steps:
  • the vehicle issues an operation command through the operation command mechanism 10, and outputs the power-on and power-off signals of the parking and applying train line, the power-on and power-off signals of the parking relief train line, and the zero-speed train line.
  • Power-on and power-off signals, these three control signals are input to the brake control mechanism 20; the brake control mechanism 20 outputs control power and control signals to the electromechanical actuator 30 through logic judgment;
  • the logical judgment table of the brake control mechanism 20 is as follows:
  • the dormant state signal includes outputting the power-off signal of the parking application train line, the power-off signal of the parking relief train line, and the power-on signal of the zero-speed train line; , the parked vehicle inputs the dormant state signal to the brake control mechanism 20 and the auxiliary mechanism 40 through the operation instruction mechanism 10, the zero-speed state monitoring mechanism 41 of the auxiliary mechanism monitors the zero-speed state of the vehicle, and the energy storage battery mechanism 42 of the auxiliary mechanism outputs a backup power supply , the brake control mechanism 20 applies the parking brake to complete the dormant braking of the parked train.
  • the auxiliary mechanism 40 detects the failure of the auxiliary power supply. In order to prevent the vehicle from being unable to apply the parking brake and the vehicle is in a zero-speed state, the auxiliary mechanism 40 provides control power and outputs a parking brake relief command to the electromechanical actuator 30 to apply the parking brake. Auxiliary mechanism 40 faults are displayed on the control screen.
  • the invention makes up for the deficiency of the control scheme of applying and relieving the parking brake of the electromechanical braking system, and realizes the automatic application and relieving of the braking force of the urban rail vehicle in the parked state by operating the command mechanism, the electromechanical actuator and the braking control mechanism ; At the same time, it can realize the automatic application and relief of the braking force of the urban rail vehicle in the dormant state, and prevent the urban rail vehicle from slipping when it is parked in the warehouse or on the ramp; in the case of an auxiliary power failure, it can detect the zero speed of the urban rail vehicle status, apply the parking brake automatically to ensure vehicle safety, and at the same time upload the fault feedback to TCMS to facilitate subsequent fault elimination.

Abstract

本发明公开了一种用于城轨车辆电机械制动系统的停放制动控制方法，包括操作指令机构、制动控制机构、电机械执行机构、辅助机构；所述操作指令机构输出控制信号至制动控制机构，驱动电机械执行机构动作，实现车辆的制动施加和缓解，辅助机构用于制动系统的冗余供电系统，辅助机构还包括有监测车辆零速状态的零速状态监测机构和提供备用电源的储能电池机构。本发明可令使用电机械制动系统的城轨车辆实现停放状态下的制动施加和缓解，以及实现城轨车辆休眠状态下制动的施加和缓解，控制方法简单高效，故障率低。

Description

一种用于城轨车辆电机械制动系统的停放制动控制方法 技术领域
本发明涉及城轨车辆制动领域，具体地说是一种用于城轨车辆电机械制动系统的停放制动控制方法。
背景技术
目前城轨车辆最成熟的控制方案是空气制动方式，主要由空气供给系统、基础制动系统和制动控制系统三大部分组成。空气供给系统为制动系统提供压缩空气，主要由空气压缩机、干燥器、风缸、贯穿全车的总风管及塞门等组成；基础制动系统接收压力空气实施相应的制动力，主要由制动缸及闸瓦或制动盘等组成；制动控制系统核心装置为制动控制装置，制动控制装置集成了电子制动控制单元、电空变换阀、中继阀、紧急制动阀等。
基于空气制动方案的列车停放制动控制就是通过控制制动风缸和停放制动缸之间的风压和弹簧之间力的关系，控制停放制动力的施加和缓解，以及在车辆休眠、总风泄露后停放制动力的自动施加。
空气制动方案采用压缩空气作为制动系统的执行媒介，这种制动系统组成结构相对复杂，部件较多，不利于制动系统的集成化；同时空气供给系统的组成部件较多，故障点偏多，因而故障率较高；此外，空气制动系统制动响应时间较长，制动力控制精度也相对较低。
因此，使用电机械制动系统取代了传统空气制动系统是更优的设置，在电机械制动系统取代空气制动系统创新应用于城轨车辆过程中，出现了传统气路控制的停放制动与电路控制停放制动触发原理的不同，即空气制动系统采用控制风缸的压力大小控制停放制动的施加或缓解，同时随着主风的泄漏，主风压力的降低逐渐自动施加停放制动。电机械制动系统无法采用上述控制方案。同时由于电机械制动完全由电路控制触发和缓解，电机械制动是通过供电电路控制电踏面施加，然而在供电电源丢失后，制动电机无法执行控制电路的指令，同时在车辆休眠后，制动系统供电电源断开，停放制动无法像传统空气制动系统那样随着时间推移自动施加停放制动，造成车辆休眠后可能存在溜车的风险。电机械制动系统为首次做装车设计，许多车辆侧的控制方案还是空白，完全没有相应的停放控制方案。
针对上述的不足，急需一种用于城轨车辆电机械制动系统的停放制动控制方法。
发明内容
本发明要解决的技术问题是针对上述现有技术的不足，而提供一种用于城轨车辆电机械制动系统的停放制动控制方法，该装置可令使用电机械制动系统的城轨车辆实现停放状态下的制动施加和缓解，以及实现城轨车辆在进入休眠状态时停放制动的施加和缓解。
为解决上述技术问题，本发明采用的技术方案是：
一种用于城轨车辆电机械制动系统的停放制动控制方法，包括操作指令机构、制动控制机构、电机械执行机构、辅助机构；所述操作指令机构输出控制信号至电机械执行机构，驱动制动控制机构动作，实现车辆的制动施加和缓解，辅助机构用于制动系统的冗余供 电系统；
所述的控制方法具体包含以下步骤：
S1、制动控制机构信号判断：车辆通过操作指令机构下达操作命令，输出停放施加列车线的得电和失电信号、停放缓解列车线的得电和失电信号以及零速列车线的得电和失电信号，这三个控制信号输入至制动控制机构；制动控制机构通过逻辑判断，输出控制电源、控制信号至电机械执行机构；
S2、静止列车的停放制动施加：在列车停止状态下，零速列车线得电；操作司机台上的停放制动施加按钮，操作指令机构输出停放施加列车线的得电信号和停放缓解列车线的失电信号，制动控制机构收到三个逻辑信号后，提供控制电源并输出停放制动施加指令至电机械执行机构，电机械执行机构控制转向架制动电机正转，施加控制停放制动；制动施加完成后，电机械执行机构将反馈信号传输给制动控制机构；
S3、静止列车的停放制动缓解：在列车停止状态下，零速列车线得电，操作司机台上的停放制动缓解按钮，操作指令机构输出停放施加列车线的失电信号和停放缓解列车线的得电信号，制动控制机构收到三个逻辑信号后，提供控制电源并输出停放制动缓解指令至电机械执行机构，电机械执行机构控制转向架制动电机反转，缓解控制停放制动；制动施加完成后，电机械执行机构将反馈信号输入制动控制机构；
S4、静止列车休眠时的停放制动的施加：停放车辆在未操作停放制动施加按钮时，停放制动未施加；车辆休眠后、制动控制机构的DC110V电源断电前，停放车辆通过操作指令机构将休眠状态信号输入至制动控制机构和辅助机构，此时制动控制机构自动施加停放制动，完成停放列车休眠制动。
作为本发明的进一步优选，辅助机构包括有监测车辆零速状态的零速状态监测机构；辅助机构还包括有提供备用电源的储能电池机构。
作为本发明的进一步优选，所述的休眠状态信号包括输出停放施加列车线的失电信号、停放缓解列车线的失电信号以及零速列车线的得电信号。
作为本发明的进一步优选，车辆休眠后、制动控制机构的DC110V电源断电前，停放车辆通过操作指令机构将休眠状态信号输入至制动控制机构和辅助机构，辅助机构的零速状态监测机构监测车辆零速状态，辅助机构的储能电池机构输出备用电源，制动控制机构施加停放制动，完成停放列车休眠制动。
作为本发明的进一步优选，辅助机构检测到辅助电源故障，为防止车辆无法施加停放制动，车辆处于零速状态下，提供控制电源并输出停放制动缓解指令至电机械执行机构，施加停放制动，同时在网络控制屏上显示辅助机构故障。
本发明具有如下有益效果：
1.弥补电机械制动系统停放制动施加和缓解的控制方案的不足，通过操作指令机构、电机械执行机构和制动控制机构，实现停放状态下城轨车辆制动力的自动施加和缓解，控制方法简单高效，故障率低。
2.可实现城轨车辆休眠状态下的制动力的自动施加和缓解，杜绝城轨车辆停在库内或坡道上发生溜车的情况。
3.可在辅助电源故障的情况下，检测城轨车辆零速状态，自动施加停放制动，保证车辆安全，同时将故障反馈上传至TCMS。
附图说明
图1是本发明一种用于城轨车辆电机械制动系统的停放制动控制方法的原理图。
图2是本发明一种用于城轨车辆电机械制动系统的停放制动控制方法的休眠时停放制动施加原理框图。
其中有：10.操作指令机构；20.制动控制机构；30.电机械执行机构；40.辅助机构；41.零速状态监测机构；42.储能电池机构。
具体实施方式
本发明的描述中，需要理解的是，术语“左侧”、“右侧”、“上部”、“下部”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，“第一”、“第二”等并不表示零部件的重要程度，因此不能理解为对本发明的限制。本实施例中采用的具体尺寸只是为了举例说明技术方案，并不限制本发明的保护范围。
下面结合附图和具体较佳实施方式对本发明作进一步详细的说明。
如图1和图2所示，一种用于城轨车辆电机械制动系统的停放制动控制方法，包括操作指令机构10、制动控制机构20、电机械执行机构30、辅助机构40；所述操作指令机构10输出控制信号至电机械执行机构30，驱动制动控制机构20动作，实现车辆的制动施加和缓解，辅助机构用于制动系统的冗余供电系统。
辅助机构40还包括有监测车辆零速状态的零速状态监测机构41和提供备用电源的储能电池机构42。
所述的控制方法具体包含以下步骤：
S1、制动控制机构20信号判断：车辆通过操作指令机构10下达操作命令，输出停放施加列车线的得电和失电信号、停放缓解列车线的得电和失电信号以及零速列车线的得电和失电信号，这三个控制信号输入至制动控制机构20；制动控制机构20通过逻辑判断，输出控制电源、控制信号至电机械执行机构30；
制动控制机构20的逻辑判断表如下所示：
序号 停放施加列车线 停放缓解列车线 列车零速 制动施加状态 备注
1 得电 失电 1 施加  
2 得电 失电 0 缓解  
3 得电 得电 1 施加/缓解 保持之前状态，同时向TCMS上传列车线故障
4 得电 得电 0 缓解  
5 失电 得电 1 缓解  
6 失电 得电 0 缓解  
7 失电 失电 1 施加 检测零速信号施加
8 失电 失电 0 缓解  
S2、静止列车的停放制动施加：在列车停止状态下，零速列车线得电；操作司机台上的停放制动施加按钮，操作指令机构10输出停放施加列车线的得电信号和停放缓解列车线的失电信号，制动控制机构20收到三个逻辑信号后，提供控制电源并输出停放制动施加指令至电机械执行机构30，电机械执行机构30控制转向架制动电机正转，施加控制停放制动；制动施加完成后，电机械执行机构30将反馈信号输入制动控制机构20；
S3、静止列车的停放制动施加：在列车停止状态下，零速列车线得电，操作司机台 上的停放制动缓解按钮，操作指令机构10输出停放施加列车线的失电信号和停放缓解列车线的得电信号，制动控制机构20收到三个逻辑信号后，提供控制电源并输出停放制动缓解指令至电机械执行机构30，电机械执行机构30控制转向架制动电机反转，缓解控制停放制动；制动施加完成后，电机械执行机构30将反馈信号输入制动控制机构20；
S4、静止列车休眠时的停放制动的施加：停放车辆在未操作停放制动施加按钮时，停放制动未施加；车辆休眠后、制动控制机构20的DC110V电源断电前，停放车辆通过操作指令机构10将休眠状态信号输入至制动控制机构20和辅助机构40，此时制动控制机构自动施加停放制动，完成停放列车休眠制动。
所述的休眠状态信号包括输出停放施加列车线的失电信号、停放缓解列车线的失电信号以及零速列车线的得电信号；车辆休眠后、制动控制机构20的DC110V电源断电前，停放车辆通过操作指令机构10将休眠状态信号输入至制动控制机构20和辅助机构40，辅助机构的零速状态监测机构41监测车辆零速状态，辅助机构的储能电池机构42输出备用电源，制动控制机构20施加停放制动，完成停放列车休眠制动。
辅助机构40检测到辅助电源故障，为防止车辆无法施加停放制动，车辆处于零速状态下，提供控制电源并输出停放制动缓解指令至电机械执行机构30，施加停放制动，同时在网络控制屏上显示辅助机构40故障。
本发明弥补了电机械制动系统停放制动施加和缓解的控制方案的不足，通过操作指令机构、电机械执行机构和制动控制机构，实现停放状态下城轨车辆制动力的自动施加和缓解；同时可实现城轨车辆休眠状态下的制动力的自动施加和缓解，杜绝城轨车辆停在库内或坡道上发生溜车的情况；在辅助电源故障的情况下，检测城轨车辆零速状态，自动施加停放制动，保证车辆安全，同时将故障反馈上传至TCMS，便于后续消除故障。
以上详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种等同变换，这些等同变换均属于本发明的保护范围。

Claims (5)

  1. 一种用于城轨车辆电机械制动系统的停放制动控制方法，其特征在于：包括操作指令机构(10)、制动控制机构(20)、电机械执行机构(30)、辅助机构(40)；所述操作指令机构(10)输出控制信号至制动控制机构(20)，驱动电机械执行机构(30)动作，实现车辆的制动施加和缓解，辅助机构(40)用于制动系统的冗余供电系统；
    所述的控制方法具体包含以下步骤：
    S1、制动控制机构(20)信号判断：车辆通过操作指令机构(10)下达操作命令，输出停放施加列车线的得电和失电信号、停放缓解列车线的得电和失电信号以及零速列车线的得电和失电信号，这三个控制信号输入至制动控制机构(20)；制动控制机构(20)通过逻辑判断，输出控制电源、控制信号至电机械执行机构(30)；
    S2、停放列车的制动施加：在列车停止状态下，零速列车线得电；操作司机台上的停放制动施加按钮，操作指令机构(10)输出停放施加列车线的得电信号和停放缓解列车线的失电信号，制动控制机构(20)收到三个逻辑信号后，提供控制电源并输出停放制动施加指令至电机械执行机构(30)，电机械执行机构(30)控制转向架制动电机正转，施加控制停放制动；制动施加完成后，电机械执行机构(30)将反馈信号输入制动控制机构(20)；
    S3、停放列车的制动缓解：在列车停止状态下，零速列车线得电，操作司机台上的停放制动缓解按钮，操作指令机构(10)输出停放施加列车线的失电信号和停放缓解列车线的得电信号，制动控制机构(20)收到三个逻辑信号后，提供控制电源并输出停放制动缓解指令至电机械执行机构(30)，电机械执行机构(30)控制转向架制动电机反转，缓解控制停放制动；制动施加完成后，电机械执行机构(30)将反馈信号输入制动控制机构(20)；
    S4、停放列车休眠时的制动施加：停放车辆在未操作停放制动施加按钮时，停放制动未施加；车辆休眠后、制动控制机构(20)的DC110V电源断电前，停放车辆通过操作指令机构(10)将休眠状态信号输入至制动控制机构(20)和辅助机构(40)，此时制动控制机构(20)自动施加停放制动，完成停放列车休眠制动。
  2. 根据权利要求1所述的一种用于城轨车辆电机械制动系统的停放制动控制方法，其特征在于：辅助机构(40)包括有监测车辆零速状态的零速状态监测机构(41)；辅助机构(40)还包括有提供备用电源的储能电池机构(42)。
  3. 根据权利要求1所述的一种用于城轨车辆电机械制动系统的停放制动控制方法，其特征在于：所述的休眠状态信号包括输出停放施加列车线的失电信号、停放缓解列车线的失电信号以及零速列车线的得电信号。
  4. 根据权利要求2和权利要求3所述的一种用于城轨车辆电机械制动系统的停放制动控制方法，其特征在于：车辆休眠后、制动控制机构(20)的DC110V电源断电前，停放车辆通过操作指令机构(10)将休眠状态信号输入至制动控制机构(20)和辅助机构(40)，辅助机构的零速状态监测机构(41)监测车辆零速状态，辅助机构的储能电池机构(42)输出备用电源，制动控制机构(20)施加停放制动，完成停放列车休眠制动。
  5. 根据权利要求2所述的一种用于城轨车辆电机械制动系统的停放制动控制方法，其特征在于：辅助机构(40)检测到辅助电源故障，为防止车辆无法施加停放制动，车辆处于零速状态下，提供控制电源并输出停放制动缓解指令至电机械执行机构(30)，施加停放制动，同时在网络控制屏上显示辅助机构(40)故障。
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