The invention discloses a standby power supply device for an electromechanical braking system of a railway vehicle. The standby power supply device comprises a main control system, an input circuit, a DC/DC circuit, a battery pack, an output circuit and a vehicle host, wherein the main control system is used for judging the current vehicle state; the input circuit is used for connecting common power supply voltage of a vehicle; the DC/DC circuit is used for charging the battery pack and protecting the circuit; the battery pack is used for providing power supply output of the standby power supply; the output circuit is used for realizing power supply switching; and the vehicle host is used for judging whether the standby battery needs to supply power or not in the current state according to the received information. According to the invention, when the vehicle braking system has a power supply fault, the standby power supply is automatically switched to supply power to the braking system, the safety of the railway vehicle is ensured, the reliability in the operation process is improved, the functions of current reversal prevention, battery protection, battery equalization and the like are added in the system, and the utilization rate of the battery is effectively increased.
本发明公开了一种轨道车辆电机械制动系统备用电源装置,包括主控系统、输入电路、DC/DC电路、电池组、输出电路及车辆主机;其中,主控系统,用于判断当前车辆状态;输入电路,用于连接车辆常用供电电压;DC/DC电路,用于对电池组进行充电及对电路进行保护;电池组,用于提供备用电源的供电输出;输出电路,用于实现电源切换;车辆主机,用于根据接收到的信息判断当前状态下是否需要备用电池供电。本发明能保证车辆制动系统发生供电故障时,自动切换到备用电源为制动系统供电,保证了轨道车辆的安全性,提高了运行过程中的可靠性,并且在系统中增加了防止电流反向、电池保护以及电池均衡等功能,有效的增大了电池的利用率。
Standby power supply device for electromechanical braking system of railway vehicle
一种轨道车辆电机械制动系统备用电源装置
06.01.2023
Patent
Elektronische Ressource
Chinesisch
a electromechanical braking system for railway vehicle
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