A main control unit structure for controlling track traffic signals

The utility model relates to a main control unit structure for controlling track traffic signals, this structure be one to the mother board provide a series of communications and control the port thedaughter board card, the daughter board card on integrateed two sets of symmetrical phases with circuit structure, be passageway A sum channel B respectively, passageway A sum channel B respectively contain the minimum system of CPU, interface and power supply circuit. Compared with the prior art, the utility model discloses have more deep control and check -up function on power and data processing, have better independence and reliability. 本实用新型涉及种用于控制轨道交通信号的主控单元结构，该结构为个向母板提供了系列通讯及控制端口的子板卡，所述的子板卡上集成了两套对称相同的电路结构，分别为通道A和通道B，所述的通道A和通道B各包含个CPU最小系统、接口和电源电路。与现有技术相比，本实用新型在电源和数据处理上具有更深入的监控和校验功能，具有更好的独立性和可靠性。