Self-service electricity purchase device

An IC card self-service electricity purchase device is formed by interconnecting a central processor, a power supply part, an RS-232 communication interface, an RS-485 communication interface, a display module, a display screen, an internal memory, a mobile memory, a time circuit, an operation keyboard, an IC card sensing circuit and an IC card sensing antenna mutually to form a circuit and installing the circuit into a housing, wherein the RS-232 communication interface and the RS-485 communication interface are connected to an external upper computer; and the power supply part is connected to an external power supply system. 种IC卡自助购电装置由中央处理器、电源部分、RS-232通迅接口、RS-485通迅接口、显示模块、显示屏、内部存储器、移动存储器、时间电路、操作键盘、IC卡感应电路、IC卡感应天线互相连接成为电路，安装在外壳内所组成。其中RS-232通迅接口、RS-485通迅接口连接到外部的上位机，电源部分连接外部的电源系统。