JPS6092171U - Rotation speed detection device - Google Patents
Rotation speed detection deviceInfo
- Publication number
- JPS6092171U JPS6092171U JP18487583U JP18487583U JPS6092171U JP S6092171 U JPS6092171 U JP S6092171U JP 18487583 U JP18487583 U JP 18487583U JP 18487583 U JP18487583 U JP 18487583U JP S6092171 U JPS6092171 U JP S6092171U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- rotation speed
- speed detection
- rotating shaft
- reflectors
- 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
Landscapes
- Optical Transform (AREA)
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図は従来の対水速度計の概略構成を示す断面図、第
２−図は第１図のＩ−Ｉ線矢視図、第３図ｔ↓プロペラ
軸の１／２回転における従来と本考案とのパルス信号発
生数を示す信号波形図、第４図〜第９図は本考案の一実
施例を示す図で、第４図は対水速度計の断面図、第５図
は空洞部内のプロペラ軸の拡大側面図、第６図は第５図
の■−■線矢視断面図、第７図は第５図の■−■線矢視
断面図、第８図は第５図のＩＶ−ＩＶ線矢視断面図、第
９図は第５図の■−Ｖ線矢視断面図である。
１・・・プロペラ、２・・・プロペラ軸、３，４・・・
軸受、５・・・発光ダイオード、６・・・フォト・トラ
ンジスタ、４１〜４４・・・反射体、５１・・・投光用
光ファイバ、５２・・・受光用光ラアイバ。Figure 1 is a sectional view showing the schematic configuration of a conventional water speed meter, Figure 2 is a view taken along the line I-I in Figure 1, and Figure 3 is a cross-sectional view showing the schematic configuration of a conventional water speed meter. Signal waveform diagrams showing the number of pulse signal generation according to the present invention, Figures 4 to 9 are diagrams showing an embodiment of the present invention, Figure 4 is a cross-sectional view of a water speed meter, and Figure 5 is a hollow 6 is a sectional view taken along the line ■-■ of FIG. 5, FIG. 7 is a sectional view taken along the line ■-■ of FIG. 5, and FIG. 8 is a sectional view taken along the line FIG. 9 is a sectional view taken along the line IV--V of FIG. 5. FIG. 1... Propeller, 2... Propeller shaft, 3, 4...
Bearing, 5... Light emitting diode, 6... Photo transistor, 41-44... Reflector, 51... Optical fiber for light projection, 52... Optical fiber for light reception.
Claims (1)
ずつずらして取付けられ表面に反射面を形成した断面形
状が正多角形の複数の反射体と、これら反射体からの反
射光を受光して前記回転軸の回転数に応じた信号を出力
する受光手段と、この受光手段より出力される信号に基
づいて前記回転軸の回転速度を検出する手段とを具備し
たこと−１を特徴とする回転速度検出装置。A rotating shaft, a plurality of reflectors with regular polygonal cross-sections that are mounted coaxially with the rotating shaft and at a predetermined angle with a reflective surface formed on the surface, and receive reflected light from these reflectors. and a means for detecting the rotational speed of the rotating shaft based on the signal output from the light receiving means. Rotation speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18487583U JPS6092171U (en) | 1983-11-30 | 1983-11-30 | Rotation speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18487583U JPS6092171U (en) | 1983-11-30 | 1983-11-30 | Rotation speed detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6092171U true JPS6092171U (en) | 1985-06-24 |
Family
ID=30399737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18487583U Pending JPS6092171U (en) | 1983-11-30 | 1983-11-30 | Rotation speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6092171U (en) |
-
1983
- 1983-11-30 JP JP18487583U patent/JPS6092171U/en active Pending
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