JPS6336152U

JPS6336152U -

Info

Publication number: JPS6336152U
Application number: JP12652986U
Authority: JP
Priority date: 1986-08-21
Filing date: 1986-08-21
Publication date: 1988-03-08

Description

[Brief explanation of drawings]

第１図は、本考案に係る小型電動遠心フアンの
１実施例の中央縦断面図、第２図は、同じく、一
部を破断した正面図、第３図は、本考案に係る小
型電動遠心フアンの使用状態を示す斜視図である
。１……モータ部、２……フアン部、３……基板
、４……ボス、５……固定子、６……軸、７……
回転子、８……鉄心、９……励磁コイル、８ａ…
…鉄板、８ｂ……外周面、１０……カシメ部材、
１０ａ……内孔、１０ｂ……スプライン溝、１１
……有底筒体、１１ａ……筒部、１１ｂ……開口
端内周面、１１ｃ……底壁、１１ｄ……スリーブ
軸、１１ｅ……側面、１２……環状磁極、１２ａ
……内周面、１３……ベアリング、１４……ホー
ル素子、１５……ブレード、１６……ケース、１
６ａ……筒部、１７……排気窓、１６ｂ……底部
、１８……吸気窓、１９……ヒートシンク、２０
……フイン、２１……トランス、２２……板材。 FIG. 1 is a central vertical cross-sectional view of one embodiment of a small electric centrifugal fan according to the present invention, FIG. 2 is a partially cutaway front view, and FIG. 3 is a small electric centrifugal fan according to the present invention. FIG. 3 is a perspective view showing the fan in use. 1... Motor part, 2... Fan part, 3... Board, 4... Boss, 5... Stator, 6... Shaft, 7...
Rotor, 8... Iron core, 9... Excitation coil, 8a...
... Iron plate, 8b ... Outer peripheral surface, 10 ... Caulking member,
10a...Inner hole, 10b...Spline groove, 11
. . . Bottomed cylinder, 11a .
...Inner peripheral surface, 13 ... Bearing, 14 ... Hall element, 15 ... Blade, 16 ... Case, 1
6a...Cylinder part, 17...Exhaust window, 16b...Bottom, 18...Intake window, 19...Heat sink, 20
...Fin, 21...Trance, 22...Plate material.

Claims

[Scope of utility model registration request]

A stator with an excitation coil wound around an iron core,
The rotor has an annular magnetic pole that is rotatably supported relative to the stator, and the positional relationship between the stator and rotor is detected, and the current flows to the excitation coil so as to generate torque in the desired direction on the rotor. In a non-commutated DC motor equipped with a rotor position detection element that switches and controls the current direction, a large number of blades are arranged in a circular shape around the axis of rotation on one side in the axial direction of a member that rotatably supports the annular magnetic pole. Small electric centrifugal fans arranged in a row.