专利名称：Method For Checking The Functions Of A
Plurality Of Fans
发明人：Laurent Jeanneteau,Massimo
Nostro,Massimo Zangoli,Alex Viroli,NicolaTerracciano
申请号：US15534224申请日：20160201
公开号：US20180258942A1公开日：20180913
专利附图：
摘要：A method for checking functions of fans includes starting a normal operation
mode, evaluating a fan monitoring signal depending on the fans' speeds, and starting adynamic fan checking routine. If the monitoring signal is smaller than a lock thresholdvalue, normal operation proceeds. If the monitoring signal is bigger than the lockthreshold value, a multiple-fan checking routine is started. During each fan test thecorresponding fan is activated for a predetermined time period, while the other fans aredeactivated during the time period, and the monitoring signal is compared with the lockthreshold value and a disconnecting threshold value. If the monitoring signal is biggerthan the lock threshold value, the corresponding fan is locked and an error is detected. Ifthe monitoring signal is smaller than the disconnecting threshold value, thecorresponding fan is disconnected and an error is detected.
申请人：Electrolux Appliances Aktiebolag
地址：Stockholm SE
国籍：SE
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