扬州大学能源与动力工程学院
课程设计报告
题 目： 基于测温三极管传感器的温度测控电路设计 课 程： 测控电路与传感器课程设计 专 业： 测控技术与仪器 班 级： 测控0902 姓 名： 张健 学 号： 091301222 指导教师: 纪晓华 杨鹏 完成时间:
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总 目 录
第一部分：任务书 第二部分：课程设计报告
第三部分：设计电路图
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第 二 部 分
课
程 设 计 报 告
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目 录
1课题简介······················································ 1
1.1 基于测温三极管的温度测控电路设计简介···························· 1
2设计要求及技术指标············································ 1
2.1 课程设计的目的和设计的任务····································· 1 2.2 课程设计的要求及技术指标······································· 3总方案及原理框图·············································· 3.1 设计的原理框图················································ 3.2 设计的总方案·················································· 4各组成部分的工作原理·········································· 4.1 电路的设计····················································4.2 总原理图····················································· 4.3 电路工作原理·················································· 4.4仪器的选择与计算··············································· 4.5制作与调试···················································· 5实验结果分析·················································· 6改进意见、收获、体会、设计总结································ 6.1改进意见······················································6.2收获、体会、设计总结··········································· 6.3成果展示······················································7仪器仪表清单·················································· 8参考文献······················································
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1、课题简介
1.1 基于测温三极管的温度测控电路设计简介
应用C1815三极管集电极与基极相连构成二极管温度传感器，温度测量范围为-55℃~l25℃度。三极管温度传感器与电阻组成温度电桥电路，在发酵与食品加工过程中用于监测、控制恒温箱中的温度，此温控电路可实现恒温控制和超温报警指示功能。工作电路输出二值输出；另外可用毫安表模拟显示温控器温度
2、设计要求及技术指标
2.1 课程设计的目的和设计的任务
通过设计了解如何运用电子技术来实现温度测量和控制任务，完成温度测量和控制电路的连接和调试，学会对电子电路的检测和排除电路故障，进一步熟悉常用电子仪器的使用，提高分析电路设计、调试方面问题和解决问题的能力。
1、掌握传感器选择的一般设计方法； 2、掌握模拟IC器件的应用； 3、掌握测量电路的设计方法；
4、培养综合应用所学知识来指导实践的能力。
2.2 课程设计的要求及技术指标
1、设计、组装、调试； 2、恒温度控制温度：80℃
3、报警温度： 85℃； 4、使用环境温度：常温
5、输出信号：二值输出控制继电器工作； 6、恒温控制，风机工作指示、超温报警功能； 7、非线性误差：±1％。
3、总方案及原理框图
3.1 设计的原理框图
本课题中测量控制电路组成框图如下所示：
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