基于单片机的无线水位测量控制系统软件毕业设计2.doc

东华理工大学长江学院 毕业设计(论文) 题 目 基于单片机的无线水位测量控制系统（硬件） 英文题目 A Water Level Control System Based on a Singlechip and RF Technology(hardware) 二零零九年五月 三十一日摘 要 在, 往往需要水箱、水池或水水箱、水池或水和控制室都有比较长的距离, 常常需要架设上百到近千米的输电和控制线路, 十分麻烦而且费用很高，给测量和控制带来了极大的不方便。这时我们就需要有一种可以远距离对液位进行控制的方法 关键词： 测控系统； 单片机； 水位测量； V/F转换技术； 传感器 ABSTRACT In peoples lives, often the need for water tanks, water tank or reservoir water level measurement values, and general water storage tanks, water tank or reservoir and the control room have a long distance, often need to set up more than a hundred to nearly 1000 meters and control of transmission lines very cumbersome and costly to measure and control a great deal of inconvenience. At this time we need to design a remote control for the level method. We are able to single-chip microcomputer as the center, the use of radio frequency technology to receive the water level measurement data and the form of radio control to send the corresponding command, so that the water level remained at a good range of settings. The use of V / F conversion technology should be and the use of radio frequency technology, as well as the water level measurement system design. To reduce the complexity of the design. The system can also be widely used in liquid level measurement and control a variety of occasions and in other areas of measurement, the measurement of water level in the river, small pond, the water level measurement towers. Hardware, the use of the water level of the relationship between depth and pressure, then the use of pressure sensors, water pressure will be converted into voltage through the voltage - frequency converter technology, the frequency of the voltage conversion to the single-chip fired up. Butt received single-chip signal processing, the final value of the water level. Through the P0、P2 port, displayed on the LED digital tube above. Key words ：Monitoring and control system; single chip; water level measurement; V / F conversi