JPH0249395U - - Google Patents
Info
- Publication number
- JPH0249395U JPH0249395U JP1988128975U JP12897588U JPH0249395U JP H0249395 U JPH0249395 U JP H0249395U JP 1988128975 U JP1988128975 U JP 1988128975U JP 12897588 U JP12897588 U JP 12897588U JP H0249395 U JPH0249395 U JP H0249395U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic sensor
- electromotive force
- force generated
- position detection
- comparison means
- 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 8
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Rotational Drive Of Disk (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案に係るモータの回転位置検出装
置の検出部の回路図、第２図はパルスＰの拡大波
形図、第３図は回転位置検出装置の説明図、第４
図は従来の検出部の回路図、第５Ａ図はコイル４
に生じる起電力の出力波形図、第５Ｂ図はモノマ
ルチバイブレータに入力される直列の（第１図Ａ
における）出力波形図、第５Ｃ図はモノマルチバ
イブレータによつて形成されるパルスの波形図、
第６図はモノマルチバイブレータより出力される
従来のパルス波形図である。
１……回転部材（ロータ）、２……磁極、４…
…コイル、５……コア、７……比較回路、８……
モノマルチバイブレータ、９……コンデンサ、Ｒ
２……抵抗。
Fig. 1 is a circuit diagram of the detection unit of the motor rotational position detection device according to the present invention, Fig. 2 is an enlarged waveform diagram of the pulse P, Fig. 3 is an explanatory diagram of the rotational position detection device, and Fig. 4
The figure is a circuit diagram of a conventional detection section, and Figure 5A is a coil 4
Figure 5B shows the output waveform of the electromotive force generated in the mono multivibrator (Figure 1A).
Figure 5C is a waveform diagram of the pulses formed by the mono-multivibrator;
FIG. 6 is a conventional pulse waveform diagram output from a mono-multivibrator. 1...Rotating member (rotor), 2...Magnetic pole, 4...
...Coil, 5...Core, 7...Comparison circuit, 8...
Mono multivibrator, 9... Capacitor, R
2...Resistance.
Claims (1)
れるロータに位置検出用のインデツクス用マグネ
ツトが設けられており、且つ固定側には磁気セン
サとこの磁気センサに生じた起電力が印加される
比較手段と前記磁気センサに対して直列に接続さ
れた負荷を含んだ検出部が設けられており、この
検出部の磁気センサに生じた起電力が比較手段と
負荷に分割して印加されるようにされていること
を特徴とするモータの回転位置検出装置。 An indexing magnet for position detection is provided on the rotor which is rotationally driven by a driving magnet and a coil, and a magnetic sensor and a comparison means to which an electromotive force generated in the magnetic sensor is applied to the fixed side. A detection section including a load connected in series to the magnetic sensor is provided, and the electromotive force generated in the magnetic sensor of the detection section is divided and applied to the comparison means and the load. A rotational position detection device for a motor, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128975U JPH0249395U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128975U JPH0249395U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249395U true JPH0249395U (en) | 1990-04-05 |
Family
ID=31382815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988128975U Pending JPH0249395U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249395U (en) |
-
1988
- 1988-09-30 JP JP1988128975U patent/JPH0249395U/ja active Pending
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