基于电机负载响应的空调器过滤网脏堵检测
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摘要
基于贯流式通风机固有特性及电机特性曲线,针对空调器室内机过滤网积尘脏堵后影响空调器电机输出功率的现象,运用电机对负载变化响应特性,研发一种过滤网脏堵检测及提醒功能。在空调器室内机安装后,分别在寒冷季节、舒适季节、炎热季节的不同时刻、不同电压及室内温度下进行脏堵检测,试验结果显示,此功能通过智能控制、智能检测、运算与提示等操作能够实现精准检测滤网是否脏堵并及时提醒用户清洗且无误报。
Based on the performance characteristics of cross-flow fan and motor characteristic curve,according to the phenomenon of indoor air conditioner's filter accumulated with dust affecting the power output of air conditioner motor,using the response characteristics of the motor to load changes,a function of the dirty plugging detecting and reminder for the filter is developed.After the air conditioner is installed,the dirty plugging detection is performed at different times,voltages and indoor temperatures in cold season,comfortable season and hot season respectively.The experimental results show that this function can accurately detect whether the filter is dirty,and promptly remind the user to clean whithout false alarms,by means of intelligent control,intelligent detection,calculation and reminder.
Based on the performance characteristics of cross-flow fan and motor characteristic curve,according to the phenomenon of indoor air conditioner's filter accumulated with dust affecting the power output of air conditioner motor,using the response characteristics of the motor to load changes,a function of the dirty plugging detecting and reminder for the filter is developed.After the air conditioner is installed,the dirty plugging detection is performed at different times,voltages and indoor temperatures in cold season,comfortable season and hot season respectively.The experimental results show that this function can accurately detect whether the filter is dirty,and promptly remind the user to clean whithout false alarms,by means of intelligent control,intelligent detection,calculation and reminder.
引文
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[3]庞启淮.小功率电机应用技术手册[M].北京:机械工业出版社,1996.
[4]张琛.直流无刷电动机原理及应用[M].北京:机械工业出版社,1996.
[5]张玉成,仪登利,冯殿义.通风机设计与选型[M].北京:化学工业出版社,2011.
[6]陈立群,王海荣.温度对电动机自行车用电机空载转速的影响[J].轻工机械,2014,32(2):58-60.
[7]周涛增,董清飞.超强永磁体—稀土铁系永磁材料[M].北京:冶金工业出版社,2004.