Based On The The Proteus Simulation Intelligent Greenhouse Control System Design And Realization

The Most of modern greenhouse takes the microelectronics technology and computer-aided technology as it's core,monitor intelligently by the upper and lower computer way.However,the upper and lower computer monitoring is time-consuming and strenuous and effected by the line and distance of communication.With the development of net technology and database technology, rapid development and wide application of our implementation of agricultural,researching and developing Internet-based remote control technology in greenhouse has become an urgent problem to be solved. This paper presents an embedded system in greenhouse control access to internet,using 51-Series MCU embedded streamlined TCP/IP communication protocol to control the network interface chip RTL8019AS,thus realizing the Ethernet communication system solution.Embedded device and Internet connection must comply with TCP/IP network protocol specification,but the embedded device itself can not support the Internet Protocol, and its own resources are very limited.According to the current solution of the embedded systems realizing accessing to network and the characteristics of the single chip system,this article will research a new MCU system with Internet connectivity solution:Embedded TCP/IP protocol.The solution takes application as purpose,with in-depth analysis and reasonable simplification for the TCP/IP network protocol,finally embeded it in the microprocessor which the internal resources is limited.So users can not only monitor the greenhouse remotely,but also control the corresponding equipment.This paper first introduces the sensor subsystem, Web server subsystem, peripheral control subsystem and other hardware circuit, and finally introduces the implementation of microcontroller TCP/IP protocol stack.