| 用XMT—121温控仪实现温度越限自动通断电控制的措施 |
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| 引用本文： | 张贵锋. 用XMT—121温控仪实现温度越限自动通断电控制的措施[J]. 中国仪器仪表, 2001, 0(1): 41-42 |
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| 作者姓名： | 张贵锋 |
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| 作者单位： | 西安交通大学焊接研究所,西安710049 |
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| 摘 要： | 当温度超越上、下限时，仅用XMT-121仪表不能方便地实现自动通断控制电功能。对此，采用XMT-121仪表与555芯片构成的滞环比较电路，当温度超越上、下限时，可实现自动通断电功能。
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| 关 键 词： | 温度控制 自动通断电 调试 温控仪 |
Measures for Automatic Switching Power Supply According to Upper lower Limit of Temperature with Temperature Controller of XMT 121 |
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| Zhang Guifeng. Measures for Automatic Switching Power Supply According to Upper lower Limit of Temperature with Temperature Controller of XMT 121[J]. China Instrumentation, 2001, 0(1): 41-42 |
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| Authors: | Zhang Guifeng |
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| Affiliation: | Zhang Guifeng |
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| Abstract: | It is not easy achieved to automatically switch power supply according to upper-lower limit of temperature only using temperature controller of XMT- 121. A hysteresis loop comparison circuit which is composed of XMT- 121 and 555 chip can be used instead. |
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| Keywords: | Temperature control Upper-lower limit Automatically switch |
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