JPS5822884U - 3-phase bidirectional current-carrying brushless motor - Google Patents
3-phase bidirectional current-carrying brushless motorInfo
- Publication number
- JPS5822884U JPS5822884U JP11599081U JP11599081U JPS5822884U JP S5822884 U JPS5822884 U JP S5822884U JP 11599081 U JP11599081 U JP 11599081U JP 11599081 U JP11599081 U JP 11599081U JP S5822884 U JPS5822884 U JP S5822884U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- carrying
- bidirectional current
- phase bidirectional
- field 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.)
- Granted
Links
Landscapes
- Brushless Motors (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
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図は従来のブラシレスモータにおけるステータコイ
ルと界磁マグネットとの位置関係を示す平面図、第２図
Ａは３相片方向通電の場合における各ステータコイルの
通電期間を示す図、第２図Ｂは３相片方向通電の場合に
おける発生トルク特性を示す特性図、第３図Ａは３相両
方向通電の場合における各ステータコイルの通電期間を
示す図、第３図Ｂは３相両方向通電の場合における発生
トルク特性を示す特性図、第４図は界磁マグネットの鎖
交磁束特性を示す特性図、第５図Ａ及び第６図Ａは第４
図とは別の鎖交磁束特性の例をそれぞれ示す図、第５図
Ｂ及び第６図Ｂは発生トルク特性をそれぞれ示す特性図
である。第７図〜第９図は本考案の第１の実施例を示す
ものであって、第７図は平面対向型ブラシレスモータの
分解斜視図、第８図は界磁マグネットの着磁パターンを
示す平面図、第９図Ａは第８図における曲線１上での界
磁マグネットの鎖交磁束特性を示す特性図、第９図Ｂは
ブラシレスモータの発生トルク特性を示す特性図、第１
０図は本考案の第２の実施例を示すものであって、界磁
マグネットの斜視図、第１１図は本考案の第４の実施例
を示すものであって、円筒面対向型ブラシレスモータの
円筒状界磁マグネットの一部を破断した斜視図、第１２
図は本考案の第４の実施例を示す第１１図と同様の斜視
図、第１３図及び第１４図は本考案の変形例をそれぞれ
示す界磁マグネットの斜視図である。
なお図面に用いられている符号において、３・・・・・
・３相両方向通電方式ブラシレスモータ、４・・・・・
・ステータコイル、７・・・・・・リング状界磁マグネ
ット、９ａ〜９ｈ・・・・・・着磁領域、１０ａ〜１０
ｈ・曲・凹部、１２ａ〜１２ｈ・・・・・・貫通孔、１
５・・・・・・円筒状界磁マグネット、１６・・・・・
・Ｓ極領域、１７・・・・・・Ｎ極領域、１８．１９・
・・・、・・凹部、２０・・・・・・貫通孔である。
第３図
Ａ
第２図
第７図
１５
′ 第１０図Figure 1 is a plan view showing the positional relationship between the stator coil and field magnet in a conventional brushless motor, Figure 2A is a diagram showing the energization period of each stator coil in the case of three-phase unidirectional energization, and Figure 2B is a characteristic diagram showing the generated torque characteristics in the case of 3-phase unidirectional energization, Fig. 3A is a diagram showing the energization period of each stator coil in the case of 3-phase bidirectional energization, and Fig. 3B is a diagram in the case of 3-phase bidirectional energization. Figure 4 is a characteristic diagram showing the generated torque characteristics, Figure 4 is a characteristic diagram showing the flux linkage characteristics of the field magnet, Figures 5A and 6A are the 4th characteristic diagram.
Figures 5B and 6B are diagrams illustrating examples of flux linkage characteristics other than those shown in the figure, respectively, and are characteristic diagrams illustrating generated torque characteristics, respectively. 7 to 9 show a first embodiment of the present invention, in which FIG. 7 is an exploded perspective view of a planar opposed brushless motor, and FIG. 8 shows a magnetization pattern of a field magnet. A top view, FIG. 9A is a characteristic diagram showing the interlinkage magnetic flux characteristics of the field magnet on curve 1 in FIG. 8, and FIG. 9B is a characteristic diagram showing the generated torque characteristics of the brushless motor.
Figure 0 shows a second embodiment of the present invention, which is a perspective view of a field magnet, and Figure 11 shows a fourth embodiment of the present invention, in which a cylindrical surface facing type brushless motor is shown. A partially cutaway perspective view of the cylindrical field magnet, No. 12
This figure is a perspective view similar to FIG. 11 showing a fourth embodiment of the present invention, and FIGS. 13 and 14 are perspective views of field magnets showing modified examples of the present invention, respectively. In addition, in the symbols used in the drawings, 3...
・3-phase bidirectional current-carrying brushless motor, 4...
- Stator coil, 7...Ring-shaped field magnet, 9a-9h...Magnetized area, 10a-10
h/curved/concave portion, 12a to 12h...through hole, 1
5... Cylindrical field magnet, 16...
・S pole region, 17...N pole region, 18.19・
. . . Recessed portion, 20 . . . Through hole. Figure 3A Figure 2 Figure 7 Figure 15' Figure 10
Claims (1)
の一部分であって、かつ電気角で３６０゜を構成する一
対のＳ極領域及びＮ極領域において電気角でほぼ６０°
、１２０°、２４０°及び３００°に対応する箇所に凹
部又は貫通孔を設けたことを特徴とする３相両方向通電
方式のブラシレスモータ。A part of the surface of the field magnet that faces the stator coil, and a pair of south and north pole regions forming 360 degrees in electrical angle, approximately 60 degrees in electrical angle.
, 120°, 240°, and 300°.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11599081U JPS5822884U (en) | 1981-08-04 | 1981-08-04 | 3-phase bidirectional current-carrying brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11599081U JPS5822884U (en) | 1981-08-04 | 1981-08-04 | 3-phase bidirectional current-carrying brushless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5822884U true JPS5822884U (en) | 1983-02-12 |
| JPH0210781Y2 JPH0210781Y2 (en) | 1990-03-16 |
Family
ID=29910236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11599081U Granted JPS5822884U (en) | 1981-08-04 | 1981-08-04 | 3-phase bidirectional current-carrying brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5822884U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294244A (en) * | 1987-05-25 | 1988-11-30 | Meidensha Electric Mfg Co Ltd | Permanent magnet type rotating machine |
| JPH01286759A (en) * | 1988-05-11 | 1989-11-17 | Toshiba Corp | Brushless motor |
| JPH0654506A (en) * | 1992-07-31 | 1994-02-25 | Hitachi Ltd | Brushless dc motor and its manufacture |
| CN103986258A (en) * | 2013-02-12 | 2014-08-13 | 阿斯莫株式会社 | Rotor and motor |
| JP2014165972A (en) * | 2013-02-22 | 2014-09-08 | Asmo Co Ltd | Rotor and motor |
-
1981
- 1981-08-04 JP JP11599081U patent/JPS5822884U/en active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294244A (en) * | 1987-05-25 | 1988-11-30 | Meidensha Electric Mfg Co Ltd | Permanent magnet type rotating machine |
| JPH01286759A (en) * | 1988-05-11 | 1989-11-17 | Toshiba Corp | Brushless motor |
| JPH0654506A (en) * | 1992-07-31 | 1994-02-25 | Hitachi Ltd | Brushless dc motor and its manufacture |
| CN103986258A (en) * | 2013-02-12 | 2014-08-13 | 阿斯莫株式会社 | Rotor and motor |
| US9859761B2 (en) | 2013-02-12 | 2018-01-02 | Asmo Co., Ltd. | Rotor and motor |
| CN103986258B (en) * | 2013-02-12 | 2018-01-02 | 阿斯莫株式会社 | Rotor and motor |
| US10326324B2 (en) | 2013-02-12 | 2019-06-18 | Denso Corporation | Rotor and motor |
| JP2014165972A (en) * | 2013-02-22 | 2014-09-08 | Asmo Co Ltd | Rotor and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210781Y2 (en) | 1990-03-16 |
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