基于ARM Cortex-M3便携式智能超声波液位计

Portable and Smart Ultrasonic Fluid Level Meter Based on ARM Cortex-M3

为了准确测量环境恶劣工业生产中的液位以保证生产效率,通过研究超声波测距工作原理,采用新型高性能、低功耗和低成本的ARM-Cortex M3内核微控制器,结合超声波技术、红外传输与DSl820温度补偿修正设计了一款便携式智能超声波液位计。其采用的先进微处理器以及无线传输的方式,简化了硬件电路,优化了软件编程。研究表明:该液位计设计提高了液位测量精度、实时性、灵活性与快速性。

To measure fluid level in poor industrial production conditions accurately for ensuring production efficiency, a porta- ble intelligent correction ultrasonic fluid level meter was designed by studying the working principle of ultrasonic distance measure- ment. New high-performance,low power and low-cost ARM-Cortex M3 microcontroller core, combined with ultrasonic technology, infrared transmission and DS1820 temperature compensation were used in the level meter. The use of advanced microprocessor and wireless transmission, simplified hardware and optimized software programming. Studies show that the design of this fluid level gauge improved accuracy ,timeliness, flexibility and rapidity of the level measurement.