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摘要近年来，煤炭爆炸事故在全国各地区屡有发生，社会和人民的财产安全受到了非常大的威胁和挑战，造成这一系列问题的根本原因多是因为采煤装置的不跟新和落后的技术，国内采煤企业大多采用落后的人工作业方式。时代在进步，科技也在进步。自动化的采煤机渐渐被大家所关注，正在逐步的取代原始的人工作业，采煤机端头站作为其中的控制装置又占据着至关重要的地位，因此，一个操作便捷，稳定，易上手，能自动排除故障的端头站一定会受到社会各界的关注，所以，本文的宗旨就是设计一个这样特点的采煤机端头站。39655
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一个成熟的采煤机端头站，必须具备完整的控制系统，本文设计的端头站将其控制系统分为五个模块：控制模块，Input模块，Output动作模块，显示模块和电源模块。其中设计控制系统模块，将采用STM32F103C8T6单片机作为主控制器，STM32F103C8T6作为嵌入式-微控制器，同时内置的高速存储器，处理输入的信号将会特别稳定；在Input模块部分，继续采用单片机STM32F103C8T6作为输入部分的核心，同时配合光电耦合器6N137为电路提供稳定的抗干扰功能，使用CAN总线收发器PCA82C250作为输入模块的传输设备，可以确保其与端头站主控制器之间数据传输的稳定性；Otput动作模块采用超小型大功率继电器（T73）来控制，稳定性可靠，安全高效的控制机械动作部分；显示模块，采用发光二接管和工业字符型液晶1602二者结合显示的方法；电源模块部分：用稳压芯片将交流电稳压到5.00V直流电给电源供电，接着使用芯片AMS1117稳压到3.30V给芯片供电。最后，编写与硬件电路配套的软件程序。
毕业论文关键词： 采煤机端头站 STM32F103C8T6 CAN总线 嵌入式系统
Abstract
In recent years, coal explosion occurred frequently in various regions of the country, society and people's property received a very large security threats and challenges, resulting in a series of problems because the root cause is not with the new mining devices and backward The technology behind domestic mining enterprises are using manual practices, however, the era of progress, science and technology are making progress. Automated Shearer gradually we are concerned, is gradually replace the original manual work, Shearer tip stands as one of the control device has occupied a crucial position, therefore, a convenient operation, stable and easy to use, can automatically troubleshoot end station will be subject to concerns of the community, so the purpose of this paper is to design a shearer end features such station.
Shearer ends of a mature stand, must have a complete control system, designed station ends its control system is pided into five modules: control module, Input modules, Output action module, display module and power module. Including design and control system module, will use STM32F103C8T6 microcontroller as the main controller, STM32F103C8T6 as Embedded - Microcontrollers, ARM Cortex-M3 32-bit RISC core, speed of 72.00MHz, working power supply voltage of 2.00V-3.60V Room temperature is -40.00 ℃ -85.00 ℃, for shearer working environment. While the built-in high-speed memory, signal processing input will be particularly stable; in the Input module section, continue using SCM STM32F103C8T6 as a core input section, in conjunction with optocoupler 6N137 provide a stable anti-interference function of the circuit, using CAN bus transceiver PCA82C250 as an input module transmission equipment, can ensure the stability of the data transfer between it and the end station master controller; Otput action module ultra-small power relays (T73) to control, stability, reliable, secure and efficient control mechanism action part; a display module, using the method LED 1602 takeover and a combination of both industrial character LCD display, real-time response to the operation of the workers working shearer parameters and real-time, operational information workers can accept Shearer make real-time response and input commands; power module part: The AC voltage regulator chip to 5.00V DC power supply to the power supply, then use voltage to 3.30V AMS1117 chip to chip provides a low-power operating environment, in this article The hardware circuit is designed using Altium Designer. At the same time use the Keil MDK for software debugging, while programming, this program and hardware circuit correspondence, feasibility thesis on the final test in the debate on the theory and students.
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