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首頁 » 散熱課堂 » 什么是散熱風扇的死角,該如何改善

什么是散熱風扇的死角,該如何改善

人氣:1197發表時間:2020-06-04 16:22:35

認識散熱風扇死角:那些因素造成風扇死角?

所謂風扇死角是指風扇置于某些角度情況下不能依規定電壓啟動。

出現風扇想轉又不轉的情況;

測試方法就是將風扇各極依序調整置于霍爾IC之前,

然后將電壓緩慢調高直到啟動,若各極在小于規定電壓值之前啟動,代表合格,

若有高差異,啟動電壓超出規定者,稱為死角影響風扇死角的因素,

1:橡皮磁鐵各極充磁不均

2.   HALL IC感應靈敏度太差


此文關鍵字:什么是散熱風扇的死角,該如何改善
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