新一代手持式多功能置数器的设计与实现

Design and Realization of a New Generation Multi-function Setting Parameters Device

利用置数器可以将人工测量的水文要素值,通过现地水文遥测站点远传到水文监测中心站,为偏远地区的洪水预报和水利优化调度提供了实时水文数据。该装置采用了拥有强大的Cotex-M3运算内核、较高的性价比、丰富的外设接口的MCU国产芯片,并且完全实现了自主可控,很适合在仪器仪表行业中应用。该文详细介绍了以该MCU为核心的多功能置数器的电路特点和工作原理,并分别介绍电源电路、液晶显示电路、数据存储电路四大电路的设计特点,同时还介绍了装置的嵌入式软件工作流程。该装置已经在工程项目中得到了大量成功应用,其良好的人机交互性能为水利水文行业提供了大量实时数据和辅助功能。

With the help of the setter,the manually measured values of hydrological elements can be transmitted to the hydrological monitoring center station through the local hydrological telemetry station,which provides real-time hydrological data for flood forecasting and optimal operation of water conservancy in remote areas.This device uses a powerful Cotex-M3 computing core,high cost performance,rich peripheral interface MCU chip,and fully realizes the self-control,which is very suitable for application in the instrument industry.This paper introduces the circuit characteristics and working principle of the multi-function counter based on MCU in detail,and introduces the design characteristics of the power supply circuit,liquid crystal display circuit,data storage circuit and communication circuit respectively.At the same time,it also introduces the embedded software work flow of the device.The device has been successfully applied in a large number of engineering projects,and its good human-computer interaction performance provides a large number of real-time data for the water conservancy and hydrology industry.