外币兑换机多功能控制板的智能化技术改进

Improvement of intelligent technology of multifunction control board in foreign currency exchange machine

研究的重点在于外币兑换机多功能控制板。采用ATMEGA128单片机对控制板进行智能化技术改进,以便对外币兑换机直流电源的输出电压进行实时监测并根据需要将监测结果报告上位机,对开关量信号进行实时监测和控制,同时对各智能分模块的状态进行实时监测并将结果显示在LCD显示器上。详细阐述了技术改进方案和具体实现方法。试验结果表明,智能技术改进后的多功能控制板符合国家强制认证和产品电磁兼容的要求,工作性能稳定,达到了方便客服人员进行整机的维护和故障诊断的效果,满足外币兑换机的应用需求。

The research of this paper is focused on the multi function control board in foreign currency exchange machine. ATMEGA 128 microcontroller is used to improve intelligence level of the control board, so as to realize multiple functions of real-time measuring the voltage outputs of DC power and reporting the results to host computer by needs, real-time monitoring and controlling the switch signals, real-time monitoring the slates of intelligent modules and displaying the results in LCD technical improvement scheme and realization met are presented. The experimental results show that intelligent-improved multifunction control board meets the requirements of national compulsory certification and EMC, works stably, is convenient for customer service to complete machine maintenance and fault diagnosis, meets application requirements of foreign currency exchange machine.