The invention relates to the technical field of operation and maintenance management, and provides an intelligent charging station operation and maintenance management system, which comprises a phase sequence monitoring circuit, the phase sequence monitoring circuit comprises a resistor R1, a switch tube Q1, an optocoupler U1, a resistor R3 and a resistor R5, the first end of the resistor R1 is connected with a-phase power through a first step-down circuit, the second end of the resistor R1 is connected with the first input end of the optocoupler U1, and the second end of the resistor R1 is connected with the second input end of the optocoupler U1; the second input end of the optocoupler U1 is connected with the first end of the switching tube Q1, the first end of the resistor R3 is connected with b-phase power through a second voltage reduction circuit, the second end of the resistor R3 is connected with the control end of the switching tube Q1, the second end of the switching tube Q1 is connected with c-phase power through a third voltage reduction circuit, and the first output end of the optocoupler U1 is connected with a 5V power supply through a resistor R5. The first output end of the optocoupler U1 is connected with the first input end of the main control unit, and the second output end of the optocoupler U1 is grounded. By means of the technical scheme, the problem that in the related technology, an inverse-phase monitoring circuit works unstably is solved.
本发明涉及运维管理技术领域,提出了智慧充电站运维管理系统,包括相序监测电路,相序监测电路包括电阻R1、开关管Q1、光耦U1、电阻R3和电阻R5,电阻R1的第一端通过第一降压电路连接a相电,电阻R1的第二端连接光耦U1的第一输入端,光耦U1的第二输入端连接开关管Q1的第一端,电阻R3的第一端通过第二降压电路连接b相电,电阻R3的第二端连接开关管Q1的控制端,开关管Q1的第二端通过第三降压电路连接c相电,光耦U1的第一输出端通过电阻R5连接5V电源,光耦U1的第一输出端连接主控单元的第一输入端,光耦U1的第二输出端接地。通过上述技术方案,解决了相关技术中逆相监测电路工作不稳定的问题。
Intelligent charging station operation and maintenance management system
智慧充电站运维管理系统
2023-12-15
Patent
Electronic Resource
Chinese
European Patent Office | 2022
|European Patent Office | 2023
|Charging station operation management system and management method
European Patent Office | 2023
|