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关于温湿度检测的外文翻译
滨 州 学 院
毕业设计(论文)开题报告
题 目基于单片机的粮库温湿度智能检测系统的研究
系 (院)物理与电子科学系 年级 2009级
专 业 电子信息科学与技术 班级 1班
学生姓名 董乃旭 学号 2009010551
指导教师 李 洁 职称 讲师
滨州学院教务处
二〇一三年三月
An Automatic Measuring System Based on Atmospherical Measurement Used for Temperature Relay
For temperature relay, it is very important to measure its temperatures for action and reversion. In this paper, anautomatic measuring system based on atmospherical measurement is discussed, which is very simple andprecise in practical application. In atmospherical measurement, it is crucial to design a favorable temperaturefield. The resistance stove is designed for simulating temperature field. The even temperature is improved bylong-time warm-up and placing orifice-board in testing room. According to the enactment controlling temperature curve, the algorithm of fuzzy control is used to control the temperature in temperature field. The regulating voltage mode of double-direction Bi-directional thyristors is used for controlling temperature. The system consists of the console and the resistance stove,and the console includes software platform and hardware platform. In this system, The method of grouping the resistance wire of resistance stove according to the power is put forward, and the performance of resistance stove is improved based on this method. The measuring precision is improved by using the minimum two-multiplication to calibrate the error. At present, the system has been practically applied in manufacture, which has gained obvious economy benefit and will be widely applied in the future.
1. Introduction
The temperature relay is one of common relays, which takes action when the outside temperature arrives at the given temperature. The temperature relay performs lots of functions, such as temperature control, fire alarm, automatic ignition, wiring heat-protection, so it is widely used in scientific research, industry and defense industry etc. For temp
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