Patent ID: 7637173
Filing Date: 2009-12-29
Classification: H01H

Abstract:
1. An airflow detection apparatus comprising: an enclosure defining a through hole therein; a conductive pole received in the through hole of the enclosure; a first conductive board and a second conductive board respectively secured to a top end and a bottom end of the enclosure, the first conductive board electrically connected to a first end of the conductive pole and an electrode of a power, the second conductive board defining a through hole therein to make a second end opposite to the first end of the conductive pole pass therethrough, and a diameter of the through hole of the second conductive board being greater than that of the conductive pole, the second conductive board electrically connected to the other electrode of the power; and a swing member connected to the second end of the conductive pole, capable of swing driven by an airflow to contact a side round the through hole of the second conductive board.