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ROTATION ABNORMALITY WARNING DEVICE OF BLOWER, AND BLOWER INCLUDING ROTATION ABNORMALITY WARNING DEVICE
ROTATION ABNORMALITY WARNING DEVICE OF BLOWER, AND BLOWER INCLUDING ROTATION ABNORMALITY WARNING DEVICE
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机译:鼓风机的旋转异常警告装置,以及包括鼓风机的旋转异常警告装置
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摘要
PROBLEM TO BE SOLVED: To provide a rotation abnormality warning device of a blower that can be easily attached to an existing blower and is manufactured as a device having a compact size, with high accuracy and at low cost, and provide a blower including the rotation abnormality warning device.;SOLUTION: A rotation abnormality warning device includes: a sensor part 16 that detects the pulsation frequency of wind generated by rotation of blades 11b of a blower 10; a calculation part that acquires a rotation speed of the blower 10 by dividing the detected pulsation frequency by the number of blades 11b of the blower 10; and a detection part that detects rotation abnormality of the blower 10 by comparing the acquired rotation speed with a predetermined allowable minimum rotation speed.;COPYRIGHT: (C)2014,JPO&INPIT
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