采空區(qū)環(huán)境無(wú)線監(jiān)測(cè)系統(tǒng)研究開(kāi)發(fā)
[Abstract]:The coal mining faces the serious threat of the natural combustion disaster of coal, especially the goaf fire. It is an important means to prevent and cure the goaf fire by adopting scientific and reliable technical method to forecast the spontaneous combustion tendency of the goaf. The traditional prediction method of coal spontaneous combustion has some defects, such as single index parameter, complex pipeline layout, easy damage of optical fiber line, and so on. Aiming at these problems, a wireless monitoring system for goaf environment is designed and developed in this paper, which aims at providing reliable technical support for prediction and prediction of coal spontaneous combustion in goaf. In this paper, the parameters of coal spontaneous combustion prediction and prediction are selected, the whole system design, hardware design and selection, circuit design, software programming and experimental research are described in detail. The system is designed separately and consists of a signal transmitting unit and a signal receiving unit. The signal transmitting unit collects the signal of CH_4,CO,O_2 and temperature parameters through the sensor and amplifies the signal. The A / D conversion is transmitted by wireless transceiver module under the control of MSP430 microcontroller. The signal receiving unit sends the signal through the wireless transceiver module to awaken the signal transmitting unit and receives the parameter data. Then the signal receiving unit is processed and stored by the MSP430 microcontroller and displayed by the LCD touch screen. Monitors can use touch screen options to operate the system functions, and can view, save, delete and so on. The software program of the system is written in C language, the modular program structure is designed, and the system program is written and debugged by using MSP-FET430UIF simulator and IAR software platform. In order to ensure the long working time of the signal transmitting unit, the system adopts low power design. In this paper, several experiments are designed to test the performance of the system prototype. The performance of wireless communication and parameter collection and transmission is verified by buried soil experiment and sewer experiment, which meets the design requirements. The wireless monitoring system of goaf environment is developed in this paper. The parameter signal is transmitted by wireless communication mode, and a variety of parameter signals are collected at one time. The low power consumption MSP430 single chip microcomputer is used as the core of data processing and control. The system has high reliability. The data collected are accurate and can provide technical support for the prediction and prediction of coal spontaneous combustion in goaf.
【學(xué)位授予單位】:中國(guó)礦業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2016
【分類(lèi)號(hào)】:TD752.2
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