JPH03104810U - - Google Patents
Info
- Publication number
- JPH03104810U JPH03104810U JP1106290U JP1106290U JPH03104810U JP H03104810 U JPH03104810 U JP H03104810U JP 1106290 U JP1106290 U JP 1106290U JP 1106290 U JP1106290 U JP 1106290U JP H03104810 U JPH03104810 U JP H03104810U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- rotation detection
- detection member
- hollow shaft
- fixed
- 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 19
- 238000004804 winding Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Optical Transform (AREA)
Description
第１図及び第２図は、本考案による回転検出器
を示すためのもので、第１図は断面図、第２図及
び第２Ａ図は第１図の他の実施例を示す断面図、
第３図は従来の回転検出器を示す断面図である。
１……ケーシング、３，４……軸受、５……中
空軸、５ｂ……端部、５ｃ……軸部、７……回転
検出部材（回転スリツト円板）、８……発光体、
１０……受光体、２１……回転検出部である。
1 and 2 are for showing a rotation detector according to the present invention, in which FIG. 1 is a sectional view, FIG. 2 and FIG. 2A are sectional views showing other embodiments of FIG. 1,
FIG. 3 is a sectional view showing a conventional rotation detector. DESCRIPTION OF SYMBOLS 1... Casing, 3, 4... Bearing, 5... Hollow shaft, 5b... End part, 5c... Shaft part, 7... Rotation detection member (rotating slit disk), 8... Light emitter,
10... Photoreceptor, 21... Rotation detection section.
Claims (1)
転自在に設けられた中空軸５と、前記中空軸５の
軸方向における端部５ｂに設けられた回転検出部
材７と、前記回転検出部材７に対応し前記軸受３
，４の半径方向位置と重合しない位置に配設され
た固定検出部材８，１０とを備え、前記回転検出
部材７と固定検出部材８，１０により回転検出部
２１を構成し、前記回転検出部２１と中空軸５は
、軸方向に配設されていることを特徴とする回転
検出器。 (2) 前記中空軸５の端部５ｂに形成され前記中
空軸５よりも小径の軸部５ｃを有し、前記回転検
出部材７は、前記軸部５ｃに設けられていること
を特徴とする請求項１記載の回転検出器。 (3) 前記回転検出部材７は、多数の回転スリツ
トを有する回転スリツト円板よりなり、前記固定
検出部材８，１０は、発光体８及び発光体１０よ
りなることにより、前記回転検出部材７及び固定
検出部材８，１０によつて光学式の回転検出部２
１を構成していることを特徴とする請求項１記載
の回転検出器。 (4) 前記回転検出部材は、ロータ巻線からなり
、前記固定検出部材は、ステータ巻線からなるこ
とにより、前記回転検出部材及び固定検出部材に
よつて巻線式の回転検出部２１を構成しているこ
とを特徴とする請求項１記載の回転検出器。[Claims for Utility Model Registration] (1) A hollow shaft 5 rotatably provided in the bearings 3 and 4 provided in the casing 1, and a rotation detection device provided at the end 5b of the hollow shaft 5 in the axial direction. member 7, and the bearing 3 corresponding to the rotation detection member 7.
, 4, and the rotation detection member 7 and the fixed detection members 8 and 10 constitute a rotation detection unit 21, and the rotation detection unit 21 and the hollow shaft 5 are arranged in the axial direction. (2) The hollow shaft 5 has a shaft portion 5c formed at the end portion 5b and has a smaller diameter than the hollow shaft 5, and the rotation detection member 7 is provided on the shaft portion 5c. The rotation detector according to claim 1. (3) The rotation detection member 7 is made of a rotating slit disk having a large number of rotation slits, and the fixed detection members 8 and 10 are made of the light emitter 8 and the light emitter 10, so that the rotation detection member 7 and Optical rotation detection section 2 is detected by fixed detection members 8 and 10.
2. The rotation detector according to claim 1, wherein the rotation detector comprises: 1. (4) The rotation detection member is composed of a rotor winding, and the fixed detection member is composed of a stator winding, so that the rotation detection member and the fixed detection member constitute a wire-wound type rotation detection section 21. The rotation detector according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1106290U JPH03104810U (en) | 1990-02-08 | 1990-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1106290U JPH03104810U (en) | 1990-02-08 | 1990-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104810U true JPH03104810U (en) | 1991-10-30 |
Family
ID=31514600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1106290U Pending JPH03104810U (en) | 1990-02-08 | 1990-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104810U (en) |
-
1990
- 1990-02-08 JP JP1106290U patent/JPH03104810U/ja active Pending
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