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工業技術研究院

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技術名稱: 外轉子馬達

技術簡介

一種外轉子馬達包含一內定子及一外轉子。內定子包含一軛鐵及多個線圈,該軛鐵在該內定子之軸向上具有相對的一第一側及一第二側。該些線圈纏繞於該軛鐵。外轉子包含一環形殼體及一磁石。該磁石設置於該環形殼體內側,並至少部分環繞該軛鐵。該外轉子可相對該內定子轉動。其中,該磁石之相對兩側分別凸出該軛鐵之該第一側及該第二側,且於該內定子之軸向上。該軛鐵的中心點與該磁石的中心點保持一距離。

Abstract

An external rotor motor includes an inner stator and an external rotor. The inner stator includes a stator yoke and stator windings. The stator yoke has a first side and a second side opposite to each other. The first side and the second side are in an axial direction of the inner stator. The stator windings wound round the stator yoke. The external rotor includes a case and a magnet. The magnet is disposed on an inner side of the case, the stator yoke is surrounded by the magnet. The external rotor is rotatable to the inner stator. Two sides of the magnet opposite to each other respectively protrude from the first side and the second side of the stator yoke, and a center of the stator yoke and a center of the magnet are spaced apart by a distance in the axial direction of the inner stator.

技術規格

轉速設定範圍:300rpm~1800rpm;對應扇葉尺:12吋~18吋

Technical Specification

Speed setting range: 300rpm ~ 1800rpm; corresponding fan blade: 12 ~18 inches

技術特色

本專利採用永磁無刷馬達在轉子與定子軸向非對稱性排列所產生的電磁力來解決在懸吊式風扇結構,整體(包含扇葉和馬達)會因重力產生一向下的軸向力,扇葉在旋轉時產生一軸向氣體力向上,上述因素造成轉動件存在一軸向合力,所造成的軸承磨耗。

應用範圍

適合應用於不同扇葉葉數、尺寸與負載變化的懸吊式風扇。

接受技術者具備基礎建議(設備)

具備永磁BLDC馬達製造的自主能力

接受技術者具備基礎建議(專業)

理工科系且具有電機、機械等基礎知識。

技術分類 01 綠能環境

聯絡資訊

聯絡人:徐嘉顥 節能設備技術組

電話:+886-3-5914247 或 Email:haohaohsu@itri.org.tw

客服專線:+886-800-45-8899

傳真:+886-3-5910155

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