JPH0220108U - - Google Patents
Info
- Publication number
- JPH0220108U JPH0220108U JP9836988U JP9836988U JPH0220108U JP H0220108 U JPH0220108 U JP H0220108U JP 9836988 U JP9836988 U JP 9836988U JP 9836988 U JP9836988 U JP 9836988U JP H0220108 U JPH0220108 U JP H0220108U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- rotation angle
- photocoupler
- motor
- slits
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例に係わるブラシレス
モータの回転角度検出機構の要部を示す断面図、
第２図はプレートの平面図、第３図は従来のブラ
シレスモータの回転角度検出機構を示す図である
。
２２……ステータコイル、２３……ロータ、２
５……プレート、２７……フオトカプラ、２８…
…パルスカウント回路、２９……サーボコントロ
ーラ。
FIG. 1 is a sectional view showing the main parts of a rotation angle detection mechanism of a brushless motor according to an embodiment of the present invention;
FIG. 2 is a plan view of the plate, and FIG. 3 is a diagram showing a rotation angle detection mechanism of a conventional brushless motor. 22...Stator coil, 23...Rotor, 2
5...Plate, 27...Photocoupler, 28...
...pulse count circuit, 29...servo controller.
Claims (1)
周状に複数のスリツトが設けられたプレートを取
付け、このスリツトを挟むようにフオトカプラを
設け、このフオトカプラから得られた光検出信号
を計数することによりブラシレスモータの回転角
度を検出するようにしたことを特徴とするブラシ
レスモータの回転角度検出機構。 A brushless motor is manufactured by attaching a plate with multiple slits circumferentially coaxially with the rotating shaft of the brushless motor's rotor, installing a photocoupler to sandwich the slits, and counting the photodetection signals obtained from the photocoupler. A rotation angle detection mechanism for a brushless motor, characterized in that the rotation angle of the motor is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9836988U JPH0220108U (en) | 1988-07-27 | 1988-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9836988U JPH0220108U (en) | 1988-07-27 | 1988-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220108U true JPH0220108U (en) | 1990-02-09 |
Family
ID=31324572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9836988U Pending JPH0220108U (en) | 1988-07-27 | 1988-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220108U (en) |
-
1988
- 1988-07-27 JP JP9836988U patent/JPH0220108U/ja active Pending