| 一种实用模拟温度控制电路设计 |
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| 引用本文： | 向潇,尹卫,黄继.一种实用模拟温度控制电路设计[J].电子科技,2014,27(4):124-127. |
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| 作者姓名： | 向潇 尹卫 黄继 |
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| 作者单位： | (1.哈尔滨工业大学 航天学院,黑龙江 哈尔滨 100051;2.中国原子能科学研究院,北京 102413) |
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| 摘 要： | 介绍了一种实用的模拟温度控制电路设计。该电路主要由运算放大器、单结晶体管及可控硅器件组成,通过比例积分、电压比较及移相触发等电路实现对电源输出功率大小进行控制,从而达到控制加热装置功率的目的。该电路温控精度较高、工作状态稳定可靠、实用性较强,可应用于工业温度控制场所。
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| 关 键 词： | 模拟温度控制电路 运算放大器 单结晶体管 可控硅 |
A Practical Design of an Analog Thermal-control Circuit |
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| XIANG Xiao,YIN Wei,HUANG Ji.A Practical Design of an Analog Thermal-control Circuit[J].Electronic Science and Technology,2014,27(4):124-127. |
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| Authors: | XIANG Xiao YIN Wei HUANG Ji |
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| Affiliation: | (1.School of Astronautics,Harbin Institute of Technology,Harbin 150001,China;2.China Institute of Atomic Energy,Beijing 102413,China) |
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| Abstract: | A practical design of analog thermal-control circuit consisting primarily of operational amplifiers,unijunction transistors and SCR is proposed.,the circuit successfully controls the output power by methods of proportional integral,voltage comparison and phase-shifted triggering,so as to regulate the power of a heating equipment.Due to its high stability and precision,as well as strong practicability,this circuit can be applied in industrial control area. |
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| Keywords: | analog thermal-control circuit operational amplifier unijunction transistor SCR |
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