JPH0454321U - - Google Patents
Info
- Publication number
- JPH0454321U JPH0454321U JP9743490U JP9743490U JPH0454321U JP H0454321 U JPH0454321 U JP H0454321U JP 9743490 U JP9743490 U JP 9743490U JP 9743490 U JP9743490 U JP 9743490U JP H0454321 U JPH0454321 U JP H0454321U
- Authority
- JP
- Japan
- Prior art keywords
- displacement
- sensor section
- main shaft
- displacement sensor
- magnetic bearing
- 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 5
- 238000006073 displacement reaction Methods 0.000 claims 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図はこの考案に係る回転数検出装置を適用
した磁気軸受を示す説明図、第２図は回転数検出
装置のブロツク図、第３図は第２図に示すブロツ
ク図における各波形を説明する説明図、第４図は
従来の回転数検出装置におけるセンサー部の斜視
図、第５図は従来の回転数検出装置のブロツク図
、第６図は第５図に示すブロツク図における各波
形を説明する説明図である。
１０……主軸、１１……コア、１２……コイル
、１３……復調回路、１４……搬送波発生回路、
１５……周期読取部。
Fig. 1 is an explanatory diagram showing a magnetic bearing to which the rotation speed detection device according to the invention is applied, Fig. 2 is a block diagram of the rotation speed detection device, and Fig. 3 is an explanation of each waveform in the block diagram shown in Fig. 2. 4 is a perspective view of a sensor section in a conventional rotation speed detection device, FIG. 5 is a block diagram of a conventional rotation speed detection device, and FIG. 6 shows each waveform in the block diagram shown in FIG. It is an explanatory diagram to explain. 10... Main shaft, 11... Core, 12... Coil, 13... Demodulation circuit, 14... Carrier wave generation circuit,
15... Periodic reading section.
Claims (1)
位量を変位信号として出力する変位センサ部を備
え、上記変位センサ部からの変位信号に基づいて
上記電磁石を励磁して主軸を支持する磁気軸受で
あつて、 上記変位センサ部へ接続されるとともに、その
変位センサ部からの変位信号の周期を読取る読取
手段を設けたことを特徴とする磁気軸受用の回転
数検出装置。[Claims for Utility Model Registration] An electromagnet that magnetically levitates the main shaft, and a displacement sensor section that outputs the amount of displacement of the main shaft as a displacement signal, and the electromagnet is excited based on the displacement signal from the displacement sensor section, and the main shaft is What is claimed is: 1. A rotation speed detection device for a magnetic bearing, which is a magnetic bearing that supports a magnetic bearing, and is connected to the displacement sensor section, and further comprises a reading means for reading a period of a displacement signal from the displacement sensor section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9743490U JPH0454321U (en) | 1990-09-17 | 1990-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9743490U JPH0454321U (en) | 1990-09-17 | 1990-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454321U true JPH0454321U (en) | 1992-05-11 |
Family
ID=31837801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9743490U Pending JPH0454321U (en) | 1990-09-17 | 1990-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454321U (en) |
-
1990
- 1990-09-17 JP JP9743490U patent/JPH0454321U/ja active Pending
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