JPS63181918U - - Google Patents
Info
- Publication number
- JPS63181918U JPS63181918U JP7354087U JP7354087U JPS63181918U JP S63181918 U JPS63181918 U JP S63181918U JP 7354087 U JP7354087 U JP 7354087U JP 7354087 U JP7354087 U JP 7354087U JP S63181918 U JPS63181918 U JP S63181918U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- rotating shaft
- conductive
- waveform shaping
- shaping circuit
- 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 6
- 239000011553 magnetic fluid Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Details Of Measuring And Other Instruments (AREA)
Description
第１図は、本案の実施例を示す上半部の側断面
図、第２図は一部の拡大図、第３図は他の実施例
における一部拡大図である。
１は回転軸、２はモータ軸、３はスリーブ、４
は回転検出板、６は発光素子、８はセンサーベー
ス、１０は検出部、１１はハウジング、１３はば
ね取り付け座、１４はばね部材、１５はモータ外
枠、１６は波形整形回路、１７は基板、１９はカ
バー、２０，２１は磁性流体シール、２２は永久
磁石、２３，２４は磁性板、２５は磁性流体、２
６は非磁性板である。
FIG. 1 is a side sectional view of the upper half of an embodiment of the present invention, FIG. 2 is a partially enlarged view, and FIG. 3 is a partially enlarged view of another embodiment. 1 is the rotating shaft, 2 is the motor shaft, 3 is the sleeve, 4
1 is a rotation detection plate, 6 is a light emitting element, 8 is a sensor base, 10 is a detection unit, 11 is a housing, 13 is a spring mounting seat, 14 is a spring member, 15 is a motor outer frame, 16 is a waveform shaping circuit, 17 is a board , 19 is a cover, 20 and 21 are magnetic fluid seals, 22 is a permanent magnet, 23 and 24 are magnetic plates, 25 is a magnetic fluid, 2
6 is a non-magnetic plate.
Claims (1)
と、この回転軸に固着した回転検出板と、前記回
転軸に軸受けを介して支持された導電性のハウジ
ングと、このハウジングをモータ外枠に電気的に
絶縁して連結するばね部材と、ハウジングに支持
され前記回転検出板に対向する検出素子と、０ボ
ルト電位を前記ハウジングに接続した波形整形回
路をそなえ、前記ハウジングに取り付け検出素子
および波形整形回路を覆う導電性のカバーと、ハ
ウジングおよびカバーと回転軸との対向間隙にそ
れぞれ導電性の磁気流体シールを設けたことを特
徴とする回転角度検出器。 A rotating shaft that is electrically insulated and fitted to the motor shaft, a rotation detection plate fixed to the rotating shaft, a conductive housing supported by the rotating shaft via a bearing, and this housing is connected to the outside of the motor. a spring member electrically insulated and connected to the frame, a detection element supported by a housing and facing the rotation detection plate, and a waveform shaping circuit with a 0 volt potential connected to the housing, the detection element attached to the housing. and a rotation angle detector, comprising: a conductive cover that covers a waveform shaping circuit; and conductive magnetic fluid seals provided in opposing gaps between the housing, the cover, and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7354087U JPS63181918U (en) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7354087U JPS63181918U (en) | 1987-05-15 | 1987-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181918U true JPS63181918U (en) | 1988-11-24 |
Family
ID=30917967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7354087U Pending JPS63181918U (en) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008185560A (en) * | 2007-01-31 | 2008-08-14 | Sendai Nikon:Kk | Rotary encoder |
-
1987
- 1987-05-15 JP JP7354087U patent/JPS63181918U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008185560A (en) * | 2007-01-31 | 2008-08-14 | Sendai Nikon:Kk | Rotary encoder |
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