JPS61190813U - - Google Patents
Info
- Publication number
- JPS61190813U JPS61190813U JP7449885U JP7449885U JPS61190813U JP S61190813 U JPS61190813 U JP S61190813U JP 7449885 U JP7449885 U JP 7449885U JP 7449885 U JP7449885 U JP 7449885U JP S61190813 U JPS61190813 U JP S61190813U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- polarity
- even number
- magnetic sensor
- magnets
- 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 2
- 239000000284 extract Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本発明装置の一実施例の回路図、第２
図は本発明装置を適用されるタービン・メータの
一実施例の断面図、第３図は従来装置及び第１図
示の装置各部の信号波形図である。
１……ロータ、２……軸、３……羽根、４，５
……永久磁石、６……ホール素子、８……差動増
幅器、９，１０……コンパレータ、１３……フリ
ツプフロツプ。
Fig. 1 is a circuit diagram of one embodiment of the device of the present invention;
The figure is a cross-sectional view of one embodiment of a turbine meter to which the device of the present invention is applied, and FIG. 3 is a signal waveform diagram of the conventional device and various parts of the device shown in FIG. 1...Rotor, 2...Shaft, 3...Blade, 4,5
... Permanent magnet, 6 ... Hall element, 8 ... Differential amplifier, 9, 10 ... Comparator, 13 ... Flip-flop.
Claims (1)
位置に相隣るものの磁極が逆極性となるよう配設
した偶数の磁石と、該回転体の回転時に該偶数の
磁石の磁極に応じた極性のパルスを発生する磁気
センサと、該磁気センサの出力パルス信号より正
極性のパルスを取り出す正極性パルス検出器と、
該磁気センサの出力パルス信号より負極性のパル
スを取り出す負極性パルス検出器と、該正極性パ
ルス検出器又は負極性パルス検出器のいずれか一
方の出力パルスにより立上がり該正極性パルス検
出器又は負極性パルス検出器の他方の出力パルス
により立下がる回転検出パルスを生成するパルス
生成回路とよりなる回転検出装置。 An even number of magnets arranged at equal rotational angle positions on a concentric circle centered on the axis of a rotating body so that the magnetic poles of adjacent ones have opposite polarities, and when the rotating body rotates, the magnetic poles of the even number of magnets correspond to the magnetic poles of the even number of magnets. a magnetic sensor that generates a pulse of polarity; a positive pulse detector that extracts a pulse of positive polarity from an output pulse signal of the magnetic sensor;
a negative-polarity pulse detector that extracts a negative-polarity pulse from the output pulse signal of the magnetic sensor; A rotation detection device comprising a pulse generation circuit that generates a rotation detection pulse that falls in response to the other output pulse of a sex pulse detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7449885U JPS61190813U (en) | 1985-05-20 | 1985-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7449885U JPS61190813U (en) | 1985-05-20 | 1985-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61190813U true JPS61190813U (en) | 1986-11-27 |
Family
ID=30614855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7449885U Pending JPS61190813U (en) | 1985-05-20 | 1985-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61190813U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630485A (en) * | 1979-08-21 | 1981-03-27 | Sansho Kk | Heat insulation composition for heating and cooling |
-
1985
- 1985-05-20 JP JP7449885U patent/JPS61190813U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630485A (en) * | 1979-08-21 | 1981-03-27 | Sansho Kk | Heat insulation composition for heating and cooling |
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