说明：  :冷库的温度是在实际应用中的一个重要指标,为此笔者设计开发了此单片机巡回测试系统,使其能对冷库的各 冷冻室的温度巡回测试并加以处理。该系统由AT89C51 单片机和温度传感器组成室温的数据采集系统,利用PC 机上的 RS 232 串行口实现数据的串行通讯,使用LabVIEW虚拟仪器软件完成上位机串行通讯程序和前面板程序的编写。实验证 明此系统取得良好的测试效果。
(: Cold storage temperature is in practical applications an important indicator, for which I designed and developed this single-chip circuit test system, so that it can be refrigerated in the freezer temperature circuit testing and treatment. The system consists of AT89C51 single-chip temperature sensor and temperature data acquisition system using PC, the RS 232 serial port for serial data communications, the use of LabVIEW Virtual Instrument software PC serial communication procedures and procedures for front panel preparation. Experiments show the system to test the effect of making good.)