1、毕业设计(论文)外文摘要Title:microcomputer-basedcontrolofdigitalthermometersfromthehardwaredescriptiongreenhouseflowerstemperaturecontrolsystemdesignAbstractSince the Reform and Opening, A variety of plant growing has spread through the country, of which flower growing is leading part. So gardening ind
2、ustry has been known as a most active one in 21th century.Computers have been used to control the environment of the glasshouse with the further development of computer. Control system is made up of central control system, terminal control equipment and sensors. A management program that cont
3、ains best conditions for each growing stage should be made first. Then it should be stored in the computer memory. Computer affirms and mod the character for each glasshouse according to the management program, and then send orders to the terminal control equipment. The terminal control equip
4、ment sends test information to the central control system, and then sends control signals to make electronic mechanical equipment work by orders from central control system. Finally the control of environment is completed. This system automatically can control heating, cooling, increasing hum
5、idity, irrigating, and ventilating. Dependent on needs, information is sent to central control part by keyboard so that the environment can be regulated at any time.The use of glasshouse environment automatic control system in the large modern glasshouse is reflection of high technology in gr
6、owing. This article turns true the basic theory of controlling temperature and humidity by using 8051 Microcontroller. A control system is created which controls the temperature and humidity in the glasshouse at any time. The aim is to learn the method of controlling something by using 8051 M
7、icrocontroller.Keywordsestablishment planting transducer the glasshouse for cutting the glasshouse for promoting1绪论61.1花卉温室控制系统的简介61.2花卉温室控制系统的应用72温度传感器82.1温度传感器的特点92.2温度传感器的选择92.3温度传感器的原理103花卉温室控制系统的方案设计123.1方案一123.2方案二133.3方案三134花卉温室控制系统
