基于FPGA的智能调速直流风扇设计
Design of Intelligent Speed-Adjusting DC Fan Based on FPGA
DOI: 10.12677/JSTA.2020.83010, PDF,   
作者: 鞠艳杰, 邱付浩：大连交通大学电气信息工程学院，辽宁 大连
关键词: FPGA；智能温控；PWM；风扇；DHT11； FPGA； Intelligent Temperature Control； PWM； Fan； DHT11
摘要: 本文主要介绍一款基于FPGA的智能调速风扇系统。本系统采用两种控制方式，一是温度自动控制，二是传统的档位控制，采用KCD1船型开关进行切换，并配备夜间呼吸灯用以提高用户舒适度。本设计以FPGA为控制核心，采用DHT11温湿度传感器检测室内温湿度，8位数码管实时显示温湿度数据，同时辅以温度自适应转速调节控制算法输出PWM调制信号到L9110直流电机驱动模块用于驱动并调节直流电机转速，达到自动控制风扇转速的效果。此设计的创新点在于，本研究从传统的风扇出发，加装本设计系统就可实现智能控制，兼顾其便利与舒适。
Abstract: This article mainly introduces an intelligent speed-adjusting fan system based on FPGA. The system adopts two control modes, one is automatic temperature control, the other is traditional gear control, which is switched by KCD1 ship type switch, and equipped with nighttime breathing lights to improve user comfort. This system takes FPGA as the control core, the DHT11 temperature and humidity sensor is used to detect the indoor temperature and humidity. The 8-bit digital tube displays the temperature and humidity data in real time, and is supplemented by the temperature adaptive speed adjustment control algorithm. The PWM modulation signal is output to the L9110 DC motor drive module for driving and adjusting the DC motor speed to achieve the effect of automatically controlling the fan speed. The innovation of this design lies in that this research starts from the traditional fan, and the intelligent control can be realized by adding this design system, taking into account its convenience and comfort.
文章引用：鞠艳杰, 邱付浩. 基于FPGA的智能调速直流风扇设计[J]. 传感器技术与应用, 2020, 8(3): 89-95. https://doi.org/10.12677/JSTA.2020.83010

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