According to the dynamic connection circuit and the control method of the urban rail transit platform screen door and the running rail, the first end of a resistor R1 is connected with the running rail, the second end of the resistor R1 is connected with the second end of a resistor R2 and the platform screen door through a current measurement module, and the first end of the resistor R2 is grounded; a branch circuit connected with the transistor V1 and the diode D1 and a branch circuit connected with the transistor V2 and the diode D2 are connected with the R1 in parallel; a branch circuit connected with the transistor V3 and the diode D3 and a branch circuit connected with the transistor V4 and the diode D4 are connected with R2 in parallel; when the train enters the station and the shielding door is opened, the V3 and the V4 are controlled to be opened, and then the potential difference between the walking rail and the shielding door is detected; if the negative potential difference is small, the V1 is controlled not to be conducted; if the negative potential difference is large, the V1 is controlled to be conducted; if the forward potential difference is small, the V2 is controlled not to be conducted, and if the forward potential difference is large, the V2 is controlled to be conducted; and when the train does not enter the station and passengers do not get on or off the train, V1 and V2 are controlled not to be conducted, and V3 and V4 are controlled to be opened. The safety operation of the rail transit can be ensured.
一种城市轨道交通屏蔽门与走行轨动态连接电路及控制方法,电阻R1的第一端连接走行轨,其第二端通过电流测量模块连接电阻R2的第二端和屏蔽门,电阻R2的第一端接地;晶体管V1和二极管D1连接的支路、晶体管V2和二极管D2连接的支路均与R1并联;晶体管V3和二极管D3连接的支路、晶体管V4和二极管D4连接的支路均与R2并联;列车进站、屏蔽门打开时,先控制V3和V4均打开,再检测走行轨与屏蔽门的电位差;若负向电位差较小,则控制V1不导通;若负向电位差较大,则控制V1导通;若正向电位差较小,则控制V2不导通,若正向电位差较大,则控制V2导通;列车不进站、乘客不上下车时,控制V1和V2均不导通,并控制V3和V4均打开。本发明可确保轨道交通的安全运行。
Dynamic connection circuit for shielding door and running rail of urban rail transit and control method
城市轨道交通屏蔽门与走行轨动态连接电路及控制方法
2023-04-11
Patent
Electronic Resource
Chinese