工业锅炉安全检测系统设计.doc
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- 关 键 词:
- 工业锅炉 安全 检测 系统 设计
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1、摘 要在我国工矿企业中,许多中小型锅炉的自动化程度较低,造成锅炉热效率低下及环境污染。利用单片机对工业锅炉进行检测,可大幅度提高对工业锅炉安全运行状态的检测和处理能力,提高效率,节能环保,同时也保证了锅炉工作的可靠性。本文以一台中/小型工业蒸汽锅炉为背景,以AT89C51单片机为核心,设计了一套工业锅炉安全检测系统,实现了对该蒸汽锅炉的温度、压力数字化测量与实时显示及进水状况的自动启停,若蒸汽锅炉的正常工作状况有异,则发出声、光报警信号并切断燃油(气)的供给。本设计的硬件部分由AT89C51单片机、ADC0809A/D转换器、PT100铂电阻、NS-17型压力变送器、PY210液位传感器、键盘
2、及LED数码管显示器组成。设计的软件部分采用C语言与模块化结构的结合进行编程,由主程序,水温、蒸汽压力、水位、键盘输入与显示输出子程序组成。其工作原理是ADC0809A/D转换器将传感器传来的模拟信号转化为电压数字信号,传送给 AT89C51单片机进行数据处理,数据处理的结果由LED显示器显示和蜂鸣报警进行提示。蜂鸣报警时,用键盘输入,进行报警停止。最后,本文利用Proteus仿真软件对本设计进行硬/软件仿真实验,实验结果验证了本设计的合理性和有效性。关键词:AT89C51单片机; PT100铂电阻;ProteusAbstractIn our country, there is a circu
3、mstance where loads of the small and medium-sized industrial boilers cannot satisfy such a strong automaticity, this phenomenon causes a negative boilers thermal efficiency and at the meantime a serious environmental pollution. However, testing the industrial boiler by using the single chip can enha
4、nce digital information and processing capacity rapidly, at the same time, its high performance cannot only help with energy conservation and environment protection, but also can save human resources.This essays design is security detection system for industrial boilers, which is built under a backg
5、round of industrial boiler and AT89C51 single chip as a core to achieve several functions, for example, to digitally measure and real-time display the temperature and the pressure, the automatically start and stop function for water flow situation of the boiler, so if there is any unusual situation
6、happened during the running time, it must give an alarm by sound and light then cut off the supply of fuel oil (gas). The hardware part consists of AT89C51 Single Chips, ADC0809A/D Switch, PT100 Platinum Resistor, NS-17 Pressure Transmitter, PY 210 Liquid Level Sensor, Keyboard and LED Digital Tube
7、Display, For the software part, it uses the modularization structure to program, consisting of the main program, water temperature, steam pressure, water level, keyboard input and the subprogram of the display output. Its operating principle would be: ADC0809A/D Switch transforms the analog signal f
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