JPH01167663U - - Google Patents
Info
- Publication number
- JPH01167663U JPH01167663U JP6417288U JP6417288U JPH01167663U JP H01167663 U JPH01167663 U JP H01167663U JP 6417288 U JP6417288 U JP 6417288U JP 6417288 U JP6417288 U JP 6417288U JP H01167663 U JPH01167663 U JP H01167663U
- Authority
- JP
- Japan
- Prior art keywords
- yoke plate
- poles
- correspond
- rotating shaft
- magnetic material
- 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
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案よりなる回転センサの実施例を
示した断面説明図、第２図は回転マグネツトとヨ
ークプレートとの関係を示した側面図、第３図は
従来例の断面図、第４図は磁気作用説明図である
。
１０……ポール、１１……第１のヨークプレー
ト、１１′……中央部、１２……ポール、１３…
…第２のヨークプレート、１４……軸孔、１５…
…非磁性材。
Fig. 1 is a cross-sectional explanatory view showing an embodiment of the rotation sensor according to the present invention, Fig. 2 is a side view showing the relationship between the rotating magnet and the yoke plate, Fig. 3 is a cross-sectional view of the conventional example, and Fig. 4 The figure is an explanatory diagram of magnetic action. 10...Pole, 11...First yoke plate, 11'...Central part, 12...Pole, 13...
...Second yoke plate, 14...Shaft hole, 15...
...Non-magnetic material.
Claims (1)
定されかつ周囲にＮ・Ｓ極が交互に着磁された回
転マグネツト３と、前記回転軸１の軸受部２に固
定されかつ中央部からポール部１２が前記Ｎ・Ｓ
極の一方の極に対応するように放射状に延びた第
２のヨークプレート１３と、前記回転軸１の延長
上に固定されかつ中央部１１′からポール部１０
が前記Ｎ・Ｓ極の他方の極に対応するように放射
状に延びた第１のヨークプレート１１と、該第１
のヨークプレート１１の前記中央部１１′及び前
記回転軸１の端部１′の間に配置固定された半導
体磁気検出素子４とを備えたことを特徴とする回
転センサ。 A rotating magnet 3 is fixed to a rotating shaft 1 made of a magnetic material via a non-magnetic material 15 and has N and S poles alternately magnetized around the periphery, and The pole portion 12 is
a second yoke plate 13 extending radially so as to correspond to one of the poles;
a first yoke plate 11 extending radially so as to correspond to the other of the N and S poles;
A rotation sensor comprising: a semiconductor magnetic detection element 4 arranged and fixed between the central portion 11' of the yoke plate 11 and the end portion 1' of the rotating shaft 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6417288U JPH01167663U (en) | 1988-05-16 | 1988-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6417288U JPH01167663U (en) | 1988-05-16 | 1988-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167663U true JPH01167663U (en) | 1989-11-24 |
Family
ID=31289652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6417288U Pending JPH01167663U (en) | 1988-05-16 | 1988-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167663U (en) |
-
1988
- 1988-05-16 JP JP6417288U patent/JPH01167663U/ja active Pending