JPH01110368U - - Google Patents
Info
- Publication number
- JPH01110368U JPH01110368U JP557988U JP557988U JPH01110368U JP H01110368 U JPH01110368 U JP H01110368U JP 557988 U JP557988 U JP 557988U JP 557988 U JP557988 U JP 557988U JP H01110368 U JPH01110368 U JP H01110368U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- drive device
- rotating
- magnetic field
- rotary drive
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案に係る回動駆動装置の速度検出
装置の一実施例を示す側面断面図、第２図は同上
実施例中の速度検出装置の部分の背面図、第３図
は上記実施例中の速度検出装置部分の磁気回路を
示す側面図、第４図は本考案に係る回動駆動装置
の速度検出装置の別の実施例を示す側面断面図で
ある。
１０……回動駆動装置としてのモータ、１５…
…回動軸、３０……速度検出装置、３１……マグ
ネツト、３３……可動コイル。
FIG. 1 is a side sectional view showing an embodiment of the speed detection device for a rotary drive device according to the present invention, FIG. 2 is a rear view of the speed detection device portion in the same embodiment, and FIG. 3 is the above embodiment FIG. 4 is a side view showing the magnetic circuit of the speed detecting device portion in the example, and FIG. 4 is a side sectional view showing another embodiment of the speed detecting device for the rotary drive device according to the present invention. 10...Motor as a rotational drive device, 15...
... Rotation axis, 30 ... Speed detection device, 31 ... Magnet, 33 ... Moving coil.
Claims (1)
と一体的に回動する可動コイルと、 上記可動コイルに磁界を与えるように上記回動
軸と同心円状に配設された円弧状のマグネツトと
を具備し、 上記回動軸の回動に伴つて上記可動コイルが上
記マグネツトから出た磁界を切りながら回動する
ことにより上記可動コイルに誘起電圧を発生させ
、この誘起電圧から上記回動駆動装置の回動速度
を検出することを特徴とする回動駆動装置の速度
検出装置。[Claims for Utility Model Registration] A moving coil fixed to a rotating shaft of a rotating drive device and rotating integrally with the rotating shaft, and a circle concentric with the rotating shaft so as to apply a magnetic field to the moving coil. and an arc-shaped magnet arranged in the shape of a circular arc, and as the rotating shaft rotates, the movable coil rotates while cutting off the magnetic field emitted from the magnet, thereby applying an induced voltage to the movable coil. A speed detection device for a rotary drive device, characterized in that the rotation speed of the rotary drive device is detected from the induced voltage generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557988U JPH01110368U (en) | 1988-01-20 | 1988-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP557988U JPH01110368U (en) | 1988-01-20 | 1988-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01110368U true JPH01110368U (en) | 1989-07-25 |
Family
ID=31209075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP557988U Pending JPH01110368U (en) | 1988-01-20 | 1988-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01110368U (en) |
-
1988
- 1988-01-20 JP JP557988U patent/JPH01110368U/ja active Pending