JPH0414471U - - Google Patents
Info
- Publication number
- JPH0414471U JPH0414471U JP5563890U JP5563890U JPH0414471U JP H0414471 U JPH0414471 U JP H0414471U JP 5563890 U JP5563890 U JP 5563890U JP 5563890 U JP5563890 U JP 5563890U JP H0414471 U JPH0414471 U JP H0414471U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- brushless motor
- excitation coil
- field part
- detection element
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Brushless Motors (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図乃至第３図は本考案の一実施例を示すも
ので、第１図は要部の縦断面図、第２図は分解斜
視図、第３図は回転子の展開図である。また、第
４図乃至第６図は従来例を示すそれぞれ第１図乃
至第３図相当図である。
図中、１３は固定子、１５スロツト、１７は励
磁コイル、１８は回転子、２０はロータヨーク、
２１は界磁マグネツト（界磁部）、２２は主着磁
領域、２３は検出用着磁領域、２４はホール素子
（位置検出素子）である。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of the main parts, FIG. 2 is an exploded perspective view, and FIG. 3 is an exploded view of the rotor. Further, FIGS. 4 to 6 are views corresponding to FIGS. 1 to 3, respectively, showing conventional examples. In the figure, 13 is a stator, 15 is a slot, 17 is an exciting coil, 18 is a rotor, 20 is a rotor yoke,
21 is a field magnet (field part), 22 is a main magnetized region, 23 is a detection magnetized region, and 24 is a Hall element (position detection element).
Claims (1)
の周方向に沿つて設けられた励磁コイルと、前記
励磁コイルと対向して前記回転子に設けられ上記
回転子の回転方向に対し傾斜した方向の着磁領域
を有する界磁部と、この界磁部と対向して設けら
れ上記界磁部の位置を検出する位置検出素子とを
備えたブラシレスモータにおいて、前記界磁部の
着磁領域のうち前記位置検出素子と対向する部分
を前記回転子の回転方向と直交する方向に設定し
たことを特徴とするブラシレスモータ。 a stator and a rotor; an excitation coil provided on the outer peripheral surface of the stator along its circumferential direction; and an excitation coil provided on the rotor opposite to the excitation coil and inclined with respect to the rotation direction of the rotor. In a brushless motor, the brushless motor includes a field part having a magnetized region in a direction, and a position detection element that is provided opposite to the field part and detects the position of the field part. A brushless motor, wherein a portion facing the position detection element is set in a direction perpendicular to the rotational direction of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5563890U JPH0414471U (en) | 1990-05-28 | 1990-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5563890U JPH0414471U (en) | 1990-05-28 | 1990-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414471U true JPH0414471U (en) | 1992-02-05 |
Family
ID=31578769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5563890U Pending JPH0414471U (en) | 1990-05-28 | 1990-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414471U (en) |
-
1990
- 1990-05-28 JP JP5563890U patent/JPH0414471U/ja active Pending