JPS59167487U - Flat type DC brushless motor - Google Patents
Flat type DC brushless motorInfo
- Publication number
- JPS59167487U JPS59167487U JP5944183U JP5944183U JPS59167487U JP S59167487 U JPS59167487 U JP S59167487U JP 5944183 U JP5944183 U JP 5944183U JP 5944183 U JP5944183 U JP 5944183U JP S59167487 U JPS59167487 U JP S59167487U
- Authority
- JP
- Japan
- Prior art keywords
- stator yoke
- brushless motor
- armature coil
- flat
- rotor magnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａは従来の偏平型直流ブラシレスモータの断面図
、第１図すは電機子コイルの配置図、第１図Ｃは回転子
マグネット着磁図、第２図は磁路を示す図、第３図は従
来の磁路の説明図、第４図は本考案の第１の実施例を示
す図、第５図は第４図の側面図、第６図は本考案の第２
の実施例の固定子ヨークを示す図、第７図は第６図の画
定子ヨークを用いたときの磁路を示す図、第８図は第７
図の側面図、第９図は本考案の第３の実施例の固定子ヨ
ークを示す図、第１０図は第９図の固定子ヨークを用い
たときの磁路を示す図、第１１図、第１２図は本考案の
第４の実施例の固定子ヨークを示す図、第１３図は第１
１図、第１２図の正面図、第１４図、第１５図は本考案
の第５の実施例の固定子ヨークを示す図である。
１・・・・・・回転子マグネット、２・・・・・・回転
子ヨーク、３．３′・・・・・・電機子コイル、４・・
・・・・ホール素子、５・・・・・・配線基板、６．６
１〜６７・・・・・・固定子ヨーク、７・・・・・・軸
受、８・・・・・・モータシャフト、９・・・・・・空
隙、１０．１１・・・・・・磁束、１２・・・・・・プ
レート、１３．１３’・・・・・・凸部、１４．１４’
・・・・・・凹部、１５．１５’・・・・・・凸凹部。
（ｂ） （ｄ）
（３〜
、第３図Figure 1a is a sectional view of a conventional flat DC brushless motor, Figure 1 is a diagram of the armature coil arrangement, Figure 1C is a rotor magnet magnetization diagram, Figure 2 is a diagram showing the magnetic path, 3 is an explanatory diagram of a conventional magnetic path, FIG. 4 is a diagram showing the first embodiment of the present invention, FIG. 5 is a side view of FIG. 4, and FIG. 6 is a diagram showing the second embodiment of the present invention.
FIG. 7 is a diagram showing the magnetic path when the delimiter yoke of FIG. 6 is used, and FIG. 8 is a diagram showing the stator yoke of the embodiment of FIG.
9 is a diagram showing the stator yoke of the third embodiment of the present invention, FIG. 10 is a diagram showing the magnetic path when the stator yoke of FIG. 9 is used, and FIG. 11 is a diagram showing the magnetic path when the stator yoke of FIG. , FIG. 12 is a diagram showing the stator yoke of the fourth embodiment of the present invention, and FIG. 13 is a diagram showing the stator yoke of the fourth embodiment of the present invention.
1 and 12 are front views, and FIGS. 14 and 15 are diagrams showing a stator yoke according to a fifth embodiment of the present invention. 1... Rotor magnet, 2... Rotor yoke, 3.3'... Armature coil, 4...
... Hall element, 5 ... Wiring board, 6.6
1-67...Stator yoke, 7...Bearing, 8...Motor shaft, 9...Gap, 10.11... Magnetic flux, 12...Plate, 13.13'...Protrusion, 14.14'
...Concave portion, 15.15'...Concave and convex portion. (b) (d) (3~, Fig. 3
Claims (5)
状２回転子マグネットの軸方向に該回転子マグネットと
対向して配置され、固定子ヨークに配線基板を介して固
着された枠型の電機子コイルに上記回転子マグネットの
磁極に対応した向きの電流を通電して回転力を得る直流
ブラシレスモータにおいて、固定子ヨークが回転子マグ
ネットと固定子ヨークに挾まれた空隙をほぼ軸方向に通
る磁束を該空隙内に置かれた電機子コイルの回転力に有
効な部分に集中させる形状であることを特徴とする偏平
型直流ブラシレスモータ。(1) A disc-shaped two-rotor magnet is divided and magnetized alternately into N and S poles in the circumferential direction, and is arranged facing the rotor magnet in the axial direction, and is connected to the stator yoke via a wiring board. In a DC brushless motor that generates rotational force by passing current in a direction corresponding to the magnetic poles of the rotor magnet through a fixed frame-shaped armature coil, the stator yoke is sandwiched between the rotor magnet and the stator yoke. A flat direct current brushless motor characterized by having a shape that concentrates magnetic flux passing through the air gap approximately in the axial direction on a portion that is effective for the rotational force of an armature coil placed within the air gap.
向がほぼ円周方向である部分と対向しないことを特徴と
する実用新案登録請求の範囲第１項記載の偏平型直流ブ
ラシレスモータ。(2) The flat DC brushless motor according to claim 1, wherein the stator yoke does not face a portion of the frame-shaped armature coil whose winding direction is substantially circumferential.
向がほぼ円周方向である部分を除いた他の部分と軸方向
に対向して凸部を有すことを特徴とする実用新案登録請
求の範囲第１項記載の偏平型直流ブラシレスモータ。(3) A utility model characterized in that the stator yoke has a convex portion axially opposed to a portion other than a portion where the winding direction of the frame-shaped armature coil is substantially circumferential. A flat DC brushless motor according to claim 1.
部に囲まれた中空部と軸方向に対向して凹部を有するこ
とを特徴とする実用新案登録請求の範囲第１項記載の偏
平型直流ブラシレスモーフ。(4) The flat structure according to claim 1, wherein the stator yoke has a concave portion axially opposed to a hollow portion surrounded by the inner edge of the frame-shaped armature coil. Type DC brushless morph.
項〜第４項記載の固定子ヨークを少なくと 、も２つ以
上組み合わせた形状であることを特徴とする実用新案登
録請求の範囲第１項記載の偏平型直流ブラシレスモータ
。(5) The stator yoke is the second claim for utility model registration.
The flat DC brushless motor according to claim 1, which is a registered utility model, characterized in that it has a shape in which at least two or more of the stator yokes according to claims 1 to 4 are combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5944183U JPS59167487U (en) | 1983-04-22 | 1983-04-22 | Flat type DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5944183U JPS59167487U (en) | 1983-04-22 | 1983-04-22 | Flat type DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59167487U true JPS59167487U (en) | 1984-11-09 |
Family
ID=30189689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5944183U Pending JPS59167487U (en) | 1983-04-22 | 1983-04-22 | Flat type DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59167487U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5597172A (en) * | 1979-01-16 | 1980-07-24 | Sony Corp | Face-opposed motor |
-
1983
- 1983-04-22 JP JP5944183U patent/JPS59167487U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5597172A (en) * | 1979-01-16 | 1980-07-24 | Sony Corp | Face-opposed motor |
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