JPS59131060U - Rotation speed detection device - Google Patents
Rotation speed detection deviceInfo
- Publication number
- JPS59131060U JPS59131060U JP2442783U JP2442783U JPS59131060U JP S59131060 U JPS59131060 U JP S59131060U JP 2442783 U JP2442783 U JP 2442783U JP 2442783 U JP2442783 U JP 2442783U JP S59131060 U JPS59131060 U JP S59131060U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- detection device
- speed detection
- rotation speed
- rotational 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.)
- Pending
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の回転数検出装置の構成の一例を示す一部
ブロック図を含む断面図、第２図ＡおよびＢは本考案回
転数検出装置における磁性体取付は構造の一例を示すそ
れぞれ断面図およびそのＡ−Ａ線断面図である。
１・・・・・・圧縮機インペラ、ＩＡ・・・・・・端面
、２・・・・・・回転軸、２Ａ・・・・・・ねじ部、３
・・・・・・座ぐり溝、４・・・・・・永久磁石、５・
・・・・・ロックナツト、６・・・・・・軸受、７．８
・・・・・・リテーナ、９・・・・・・オイルシール、
１０・・・・・・回転検出器、１１・・・・・・増幅器
、１２・・曲カウンタ、１３・・・・・・Ｆ／Ｖ変換器
、１４・・・・・・回転数表示器、４０・・・・・・磁
石棒、４１・・・・・・嵌入孔、４５・・・・・・ロッ
クナツト。Fig. 1 is a sectional view including a partial block diagram showing an example of the configuration of a conventional rotation speed detection device, and Fig. 2 A and B are cross sections showing an example of the structure of the magnetic body attachment in the rotation speed detection device of the present invention. It is a figure and its sectional view taken along the line AA. 1... Compressor impeller, IA... End face, 2... Rotating shaft, 2A... Threaded part, 3
...Counterbore groove, 4...Permanent magnet, 5.
...Lock nut, 6...Bearing, 7.8
...Retainer, 9...Oil seal,
10... Rotation detector, 11... Amplifier, 12... Song counter, 13... F/V converter, 14... Rotation speed indicator , 40... Magnet bar, 41... Fitting hole, 45... Lock nut.
Claims (1)
に沿って電磁コイルを設け、該電磁コイルにより前記回
転体の回転に応じてパルス電圧を発生させ、該パルス電
圧により前記回転体の回転数を検出するようにした回転
数検出装置において、前記磁性体を圧縮応力に強い形状
となし、該磁性体を前記回転体の少なくとも一部に圧入
固着したことを特徴とする回転数検出装置。A magnetic body is attached to the outer periphery of the rotating body, an electromagnetic coil is provided along the outer periphery of the rotating body, the electromagnetic coil generates a pulse voltage according to the rotation of the rotating body, and the pulse voltage causes the rotating body to A rotational speed detection device configured to detect the rotational speed of a rotating body, characterized in that the magnetic body has a shape that is resistant to compressive stress, and the magnetic body is press-fitted and fixed to at least a portion of the rotating body. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2442783U JPS59131060U (en) | 1983-02-23 | 1983-02-23 | Rotation speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2442783U JPS59131060U (en) | 1983-02-23 | 1983-02-23 | Rotation speed detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59131060U true JPS59131060U (en) | 1984-09-03 |
Family
ID=30155469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2442783U Pending JPS59131060U (en) | 1983-02-23 | 1983-02-23 | Rotation speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59131060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985004953A1 (en) * | 1984-04-26 | 1985-11-07 | Fanuc Ltd | Magnetic sensor system for main shaft orientation |
-
1983
- 1983-02-23 JP JP2442783U patent/JPS59131060U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985004953A1 (en) * | 1984-04-26 | 1985-11-07 | Fanuc Ltd | Magnetic sensor system for main shaft orientation |
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