| 基于Windows98的电阻温度特性测试系统 |
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| 引用本文： | 黎步银,周东祥,姜胜林,付明.基于Windows98的电阻温度特性测试系统[J].华中科技大学学报(自然科学版),2002,30(4):87-89. |
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| 作者姓名： | 黎步银 周东祥 姜胜林 付明 |
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| 作者单位： | 华中科技大学电子科学与技术系 |
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| 基金项目： | 国家高技术研究发展计划资助项目 (86 3 715 0 0 6 0 0 70 )，湖北省自然科学基金资助项目 (2 0 0 0J16 4 ) |
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| 摘 要： | 目前P4CPU主板成为主流，P4主板上已不再有EISA接口槽，原来基于EISA槽的接口卡已不能使用。为此设计了基于并行打印接口的外围控制电路，首先由程序控制编码器编码，然后由专用解码芯片解码，从而实现通道转换。计算机通过标准RS－232串行接口同智能万用表和智能数字温控表通信，组成热敏电阻阻温特性曲线测试系统，由智能温控表进行控温，由智能万用表进行数据采集。程序由VISUALC 6.0语言编写，数据处理程序可供新老用户使用。
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| 关 键 词： | 正温度系数热敏电阻 电阻温度特性 智能仪表 Windows98 |
| 文章编号： | 1671-4512(2002)04-0087-03 |
| 修稿时间： | 2001年10月19 |
Measuring instrument for the resistance-temperature curve of PTCR thermistor based on Windows98 |
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| Li Buyin Zhou Dongxiang Jiang Shenglin Fu Ming Assoc. Prof., Dept. of Electronic Sci. & Tech.,Huazhong Univ. of Sci. & Tech.,Wuhan ,China..Measuring instrument for the resistance-temperature curve of PTCR thermistor based on Windows98[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2002,30(4):87-89. |
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| Authors: | Li Buyin Zhou Dongxiang Jiang Shenglin Fu Ming Assoc Prof Dept of Electronic Sci & Tech Huazhong Univ of Sci & Tech Wuhan China |
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| Institution: | Li Buyin Zhou Dongxiang Jiang Shenglin Fu Ming Assoc. Prof., Dept. of Electronic Sci. & Tech.,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | A new peripheral interface circuit based on parallel printer interface is designed, channel switches are realized by programmed coder HT12E and the decoder HT12D. Measuring instrument for the resistance temperature curve of thermistor consists of microcomputer, intellectual multimeter and digital temperature controller via RS 232 interface. Temperature is controlled by digital temperature controller and the computer gets digit acquisition from the intellectual multimeter via the RS 232 serial interface. Measuring and controlling software is designed with VISUAL C++6.0 language, and data process programmer can be used by all new and old users. |
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| Keywords: | PTCR thermistor characteristics of resistance vs temperature intellectual instrument |
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