JPH0245415U - - Google Patents
Info
- Publication number
- JPH0245415U JPH0245415U JP12453488U JP12453488U JPH0245415U JP H0245415 U JPH0245415 U JP H0245415U JP 12453488 U JP12453488 U JP 12453488U JP 12453488 U JP12453488 U JP 12453488U JP H0245415 U JPH0245415 U JP H0245415U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- magnetic field
- magnetic
- pair
- rotation speed
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案に係る回転数検出器の第１の実
施例を示す構成斜視図、第２図、第３図は第１図
装置の動作を説明するための動作説明図、第４図
は本考案に係る回転数検出器の第２の実施例を示
す構成斜視図、第５図は回転数検出器の一先行技
術を示す構成図、第６図は第５図の回転数検出器
における磁気バブル素子の動作を示す動作説明図
、第７図は第５図装置の動作特性を説明するため
の説明図である。
１１…回転軸、１３…固定板、１４，１５…磁
石対、１６…磁気バブル素子、２１…入力回転軸
、２２，２３…歯車。
FIG. 1 is a perspective view of the configuration of a first embodiment of the rotation speed detector according to the present invention, FIGS. 2 and 3 are operation explanatory diagrams for explaining the operation of the device shown in FIG. 1, and FIG. 4 5 is a configuration diagram showing a second embodiment of the rotation speed detector according to the present invention, FIG. 5 is a configuration diagram showing one prior art of the rotation speed detector, and FIG. 6 is the rotation speed detector of FIG. 5. FIG. 7 is an explanatory diagram showing the operation of the magnetic bubble element in FIG. DESCRIPTION OF SYMBOLS 11... Rotating shaft, 13... Fixed plate, 14, 15... Magnet pair, 16... Magnetic bubble element, 21... Input rotating shaft, 22, 23... Gear.
Claims (1)
間に平行磁界を生じる磁石対を有しこの磁石対を
回転軸等により回転して駆動磁界を発生する駆動
磁界発生手段と、前記磁石対の回転中心付近に設
置され前記駆動磁界の回転に応じて磁気バブルを
順次転送する磁気バブル素子とを具備し、前記磁
気バブル素子における転送パターン上の磁気バブ
ルの位置から前記回転軸等の回転数を検出するよ
うに構成してなる回転数検出器。 (2) 貫通型エンコーダが環装された入力回転軸
の回転が回転伝達機構を介して回転軸に伝達され
る請求項１記載の回転数検出器。[Claims for Utility Model Registration] (1) A drive that has a pair of magnets whose opposing surfaces are magnetized with opposite polarities and generates a parallel magnetic field between them, and this magnet pair is rotated by a rotating shaft or the like to generate a driving magnetic field. comprising a magnetic field generating means, and a magnetic bubble element installed near the center of rotation of the pair of magnets and sequentially transferring magnetic bubbles according to the rotation of the driving magnetic field, the position of the magnetic bubble on the transfer pattern in the magnetic bubble element; A rotation speed detector configured to detect the rotation speed of the rotating shaft or the like. (2) The rotation speed detector according to claim 1, wherein the rotation of the input rotation shaft on which the through-type encoder is mounted is transmitted to the rotation shaft via a rotation transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12453488U JPH0632574Y2 (en) | 1988-09-22 | 1988-09-22 | RPM detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12453488U JPH0632574Y2 (en) | 1988-09-22 | 1988-09-22 | RPM detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0245415U true JPH0245415U (en) | 1990-03-28 |
| JPH0632574Y2 JPH0632574Y2 (en) | 1994-08-24 |
Family
ID=31374353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12453488U Expired - Lifetime JPH0632574Y2 (en) | 1988-09-22 | 1988-09-22 | RPM detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632574Y2 (en) |
-
1988
- 1988-09-22 JP JP12453488U patent/JPH0632574Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632574Y2 (en) | 1994-08-24 |
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