门桥式起重机动态应变测试系统的研制

Development of Bridged Crane Dynamic Strain Test System

该系统可对８路电阻应变桥的信号进行数据采集，并将得到的数据传送给主机，供鉴定软件使用。该系统充分利用了单片机８０９８软硬件的功能，使电路结构简单，性能价格比明显提高。利用ＰＣ机的打印机适配器实现并行通讯，不仅大大提高了数据传输的速度，还使便携式ＰＣ机的使用成为可能。故该系统具有小型化、智能化、省时化的突出特点。

This system is the main part of bridged crane diagnonsis system. It can collect 8 channel signals from resistance strain bridge, and transmit the collected data to a main computer for successional software identification. This system takes advantage of singlechip MC 8098 software and hardware functions so as to make circuit structure simple and theratio of property to price raisesmuch more. The realization of parallel communication for using printer adapter port of PC in this system not only significantly increases the speed of data transmission, but also portable PC computer is used possibly. This system, therefore, has very outstanding characters of downsizing, intelligence, and timesaving.