| MAX6641在笔记本电脑散热系统中的设计 |
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| 引用本文： | 唐鸿武,睢丙东,郝立涛. MAX6641在笔记本电脑散热系统中的设计[J]. 河北工业科技, 2009, 26(5): 328-330 |
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| 作者姓名： | 唐鸿武 睢丙东 郝立涛 |
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| 作者单位： | 河北科技大学信息科学与工程学院,河北石家庄,050018;河北科技大学信息科学与工程学院,河北石家庄,050018;河北科技大学信息科学与工程学院,河北石家庄,050018 |
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| 摘 要： | MAX6641是微机散热保护专用智能集成温度传感器。介绍了基于单片机与MAX6641传感器在笔记本电脑散热系统中的设计。本次设计可以在笔记本电脑散热系统中实现5级风速调节。采用MAX6641传感器作为温度检测元件;单片机用来完成温度的模糊控制,并通过串行总线调节MAX6641内置的PWM(脉宽调制)寄存器,继而控制直流电机风扇转速。测温范围为35~65℃,分辨率为±1℃。
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| 关 键 词： | MAX6641 PWM 模糊控制 |
Application of MAX6641 in heat dissipation system of the laptop |
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| TANG Hong-wu,SUI Bing-dong,HAO Li-tao. Application of MAX6641 in heat dissipation system of the laptop[J]. Hebei Journal of Industrial Science & Technology, 2009, 26(5): 328-330 |
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| Authors: | TANG Hong-wu SUI Bing-dong HAO Li-tao |
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| Affiliation: | College of Information Science and Engineering;Hebei University of Science and Technology;Shijiazhuang Hebei 050018;China |
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| Abstract: | MAX6641 is an intelligent integration temperature sensor for special purpose of protecting the computer by dispersing heat.This paper introduces a design of heat dissipation system of the laptop based on MCU(micro controller unit) and sensor MAX6641.This design can realize 5 grade wind speed adjust of the fan.It adopts MAX6641 checking temperature and MCU fuzzy controlling temperature.The MCU can control rotation speed of the DC motor by adjusting the PWM(pulse width modulation) register in MAX6641 by seria... |
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| Keywords: | MAX6641 PWM |
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