1、 毕业设计(论文)任务书毕业设计(论文)任务书 一、题目: 基于单片机的智能型可燃性气体泄漏报警器的设计 二、基础数据 三、内容要求: 1.说明部分: 2.计算部分: 3.绘图部分: 四、发给日期:年月日 五、要求完成日期:年月日 指导教师: 系主任: 年月日 I 摘要摘要 随着可燃性气体种类和应用范围的增长,其使用的地方和贮气仓库内的泄漏、火灾爆炸事 件日益增多。从安全、环保和经济的角度上考虑,研究测量可燃性气体自动报警和自动打开排 气装置的一种控制装置是非常重要的。 此设计对可燃性气体泄漏报警、以及控制器进行了非常深的研究,采用了“探测器加单片 机控制电路”设计思维,具有反应快,误差小等优
2、点。选用 TGS-813 半导体陶瓷式气体传感器 对现场可燃性气体浓度进行测量,采用性价比和功能较高的 AT89S51 单片机作为中央处理单 元,对浓度信号进行收集、数据做处理、显示、报警及打开排气装置等步骤。 此设计的可燃性气体报警、控制器可以测量到空气中以烷类气体为主的多样可燃性气体的 浓度,实时显示浓度值,当达到预先设置的上限报警值时,发出声音报警和控制信号,以提示 操作人员采取安全措施或自动控制相关安全设备。该报警、控制器可以实时、准确测量可燃性 气体浓度,并且可以长时间可靠无误的报警,具有很广泛的应用前景和价值。 关键词关键词:报警器;可燃性气体;气体传感器;单片机 II Abstr
3、act With combustible gas type and application area increases, the use of local and gas storage warehouse leaks, fire and explosion incidents are increasing. From the safety, environmental and economic point of view to consider, of a measure of flammable gas alarm device, and automatically opens a di
4、scharge control device is very important This design for combustible gas leak alarm, and a controller in-depth study, using a “probe plus MCU control circuit“ design thinking, with a small error, fast response and so on. Selection TGS-813 semiconductor ceramic gas sensor for measuring the concentrat
5、ion of flammable gas field, the use of higher cost and functionality AT89S51 microcline as the central processing unit of the concentration signal collection, data do processing, display, alarm and open the exhaust other steps. The design of the combustible gas alarm, the controller can be measured
6、into the air to gas-based and diverse alkane concentration of flammable gas, real-time display of concentration values, when it reaches a pre-set limit alarm value, the alarm sounds and control signals to prompt the operator to take safety measures or automatic control related safety equipment. The alarm, the controller in real time, accurate measurement of combustible gas concentration, and the reliability and accuracy of the alarm can be long, with a very broad application prospects and value