The Temperature Monitoring System Based On STM32 Research Design

Temperature monitoring technology is as computer science, power electronics technology and control theory of the rise of new monitoring technology, the modern in other industries, including agriculture, transportation and other industry play a supporting role. Temperature monitoring is mainly used in the greenhouse or other need to monitor the temperature of the place, the main purpose is to people to intuitive perception to the temperature of the detection area rapidly. On the one hand, the test equipment need long-term stability, high reliability and low cost of equipment., on the other hand, the test data is a nonlinear time-varying data, and a larger delay much interference system, can’t use the previous control method to control very well. Therefore, temperature monitoring is a very complex project, although in this field at home and abroad have done a lot of investment and research, but still need to further improve and innovation.The paper first describes the research background and the present situation of the temperature monitoring system at home and abroad made a general introduction, and then focus on using ARM STM32 CortexM3 kernel controller of temperature monitoring is made in detail. Measured environment, monitoring and control system is mainly to test temperature change in order to achieve the ideal control outside ambient temperature.For hardware, The function of each module is presented, including power supply, data collection and the center system and so on. The CPU with the architecture of ARM series M3 kernel STM32 as control center, which is currently ARM processor series is the most widely used. Sensor USES is the United States Dallas DSI8B20. high precision, simple peripheral circuit. In addition, the processing circuit through the working state of the relay control temperature rise and other equipment, in the true sense of greenhouse temperature monitoring. Data for the current temperature value but by TFT3.2 inch color screen display, more intuitive effect to staff. The whole hardware system controlled by the processor to achieve reasonable coordination working condition.For software, the realization of each function module programming. In addition to the writing of the microcomputer, also successfully using graphical programming technology. Key scheduling and modular processing of the main program, late for debugging, maintenance, have very good effect.This paper make full use of current advanced technology, using the embedded method, realize the real-time monitoring and control of the temperature by computer. Design and implement a set of efficient and stable, the operation is simple and the temperature monitoring system with high reliability, made certain contribution for temperature monitoring technology.