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The Design of Integrated Mining Area Spray Dust Suppression System Based on CAN Field Bus

Author: ZhangGuoMing
Tutor: GaoZuo
School: Xi'an University of Science and Technology
Course: Control Theory and Control Engineering
Keywords: Spraying water CAN bus Controller Network control Real-time monitoring
CLC: TP273.5
Type: Master's thesis
Year: 2010
Downloads: 101
Quote: 1
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Abstract


The dust coal production one of the five natural disasters, dust containing ash and volatile, explosive, with higher levels can cause an explosion, a serious threat to the safety of the mine production, but also endanger the health of the on-site staff. With the development of high-yield and efficient mine coal mining technology, the mechanized mining law mining efficiency increasingly high proportion of mechanized mining coal mining in the coal mining enterprises is also growing its mechanized mining face became mechanized mining coal mining coal dust generation source. In order to reduce the incidence of coal mine accidents and improve the working environment, must take effective dust suppression measures to reduce dust concentration of underground longwall face. Mechanized mining face dust is generally produced in three aspects, namely, coal mining, frame shift and caving. This paper analyzes the process of coal mining, shift, and caving. Coal mining, the spray to follow the movement of the shearer moving; shift frame for frame shift position spray, spray; caving in before and after stent spray. Principle spraying system and control method. A targeted spraying control system. Designed a fully mechanized mining face spraying dust control system based on CAN bus. This system can achieve a frame shift and caving Shearer, automatic positioning. CAN bus network by remote control. The control system includes a master controller module and the spray controller module, the main control receiver the spray controller detects the shearer mining location, frame shift, and caving position signal, the controller sends these signals to each spray control commands, as well as the spray mode is set, real-time display of mechanized mining face state function. Spray Controller main functions are: real-time detection shearer mining position, frame shift, and caving position signal, these signals are uploaded to the host computer through the CAN network, and receive control spray instructions issued by the host computer, and according to instructions to achieve different forms of spray. Master controller uses the ARM family of microprocessor the spray controller uses 51 series, CAN bus communication interface bus controller SJA1000 and the bus driver 82C250. Through laboratory experiments, the spray controller Shearer position, frame shift, and a discharge the coal position signal monitoring and the different modes of spray output. The main controller receives the the spray controller uploaded Shearer mining location, the signal frame shift and caving position, and LCD real-time display. And network traffic. Experimental results show that the design is reasonable.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system > Computer control, computer control system
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