Design And Implementation Of Air Quality Monitoring System Based On Embedded System

At present, the air pollution is affecting human health, one of the most concern is the various harmful gases, such as carbon monoxide, nitrogen dioxide, sulfur dioxide, dust, lead and hydrogen fluoride, cause asthma, cardiovascular disease to human, air pollution has become a hazard to human health "invisible killer". The current economic development pressures have forced some local governments or enterprises, the economic development to the destruction of the environment, but from a long-term point of view, the environment is good or bad will affect the long-term economic development. Therefore improve the environmental situation in order to keep the high productivity of security, between the environment and the economy and how to better coordinate, has been widely discussed, building a beautiful environment, rapid economic development is expected. So it is necessary to establish an effective air automatic monitoring system.This thesis proposed a scheme of automatic monitoring system for air quality of the environment, is received by the sensor data and alarm system, alarm in time for when the parameters exceed the standard. System to 104/PC system as a collection of hardware platform, Windows CE as the software platform, LCD1602 dot matrix LCD display menu, and put forward the technical scheme for each subsystem and the subsystem of each functional module. This system can realize monitoring site implementation of 24 hour monitoring, has the good man-machine conversation interface, monitor has the advantages of small volume, low power consumption, simple operation and easy to use.The work of this thesis includes the demand analysis, the design target, system running environment; second is the overall design of the system, including the division system architecture, work flow and module, and the realization of the environmental air quality automatic monitoring of key technologies involved in the process of system center station, finally is the system testing and analysis, including test results.