JPS58112084U - Motor rotation speed detection device - Google Patents
Motor rotation speed detection deviceInfo
- Publication number
- JPS58112084U JPS58112084U JP1982008232U JP823282U JPS58112084U JP S58112084 U JPS58112084 U JP S58112084U JP 1982008232 U JP1982008232 U JP 1982008232U JP 823282 U JP823282 U JP 823282U JP S58112084 U JPS58112084 U JP S58112084U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- detection device
- speed detection
- motor rotation
- magnetic
- 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図は従来のモータの回転速度検出装置のブロック図
、第２図及び第３図は第１図の速度検出機構の説明図、
第４図は本考案によるモータの回転速度度検出装置の一
実施例のブロック図、第５図は第４図の速度検出機構の
説明図、第６図は第４図の詳細ブロック図、第７図Ａ−
Ｇは第４図の各部の波形を示すタイムチャートである。
図中符号、２は回転子、Ｎ４．Ｓ、〜Ｎ４． 私は多極
マグネット、Ｈｌ、 Ｈ２，Ｈ３はホール素子、１５は
３相方形波発生器、１６は速度信号波形整形回路、１７
はサンプルアンドホールド回路、である。
第１図
第７図
ネール唱以（ｈｄの聯
間 よ（−一：４！ｆｔ３−
同上（−Ｉ）珈 ［
埋妨θ茨（φｌ）の助
闇 工（φｅ神遺影
１同 上（φ３）の兼形
Ｖ魁求−１訃
内４Ｉシ良FIG. 1 is a block diagram of a conventional motor rotation speed detection device, FIGS. 2 and 3 are explanatory diagrams of the speed detection mechanism of FIG. 1,
FIG. 4 is a block diagram of an embodiment of the motor rotation speed detection device according to the present invention, FIG. 5 is an explanatory diagram of the speed detection mechanism of FIG. 4, and FIG. 6 is a detailed block diagram of FIG. Figure 7 A-
G is a time chart showing waveforms at various parts in FIG. In the figure, 2 is a rotor, N4. S, ~N4. I is a multi-pole magnet, Hl, H2, H3 are Hall elements, 15 is a 3-phase square wave generator, 16 is a speed signal waveform shaping circuit, 17
is a sample-and-hold circuit. Fig. 1 Fig. 7 Neel chant (hd Renma yo (-1:4! ft3- Same as above (-I)) )'s cum form V Kaikyu-1 贃内4Ishira
Claims (1)
モータにおいて、前記回転子の回転により発生する前記
磁極の磁束変化を複数個の検出点で検出する複数個の磁
束検出手段を具備し、前記゛磁極が前記複数個の検出点
のうちの何れか一組の磁極の検出点の間を通過す・る時
間を測定して前記ホールモータの回転速度を検出するよ
う構成したこと不特徴とするモータの回転速度検出装置
。A Hall motor having a rotor having a plurality of north and south magnetic poles, comprising a plurality of magnetic flux detection means for detecting changes in the magnetic flux of the magnetic poles caused by rotation of the rotor at a plurality of detection points. The present invention is characterized in that the rotational speed of the Hall motor is detected by measuring the time taken for the magnetic pole to pass between any one set of magnetic pole detection points among the plurality of detection points. A motor rotation speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982008232U JPS58112084U (en) | 1982-01-26 | 1982-01-26 | Motor rotation speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982008232U JPS58112084U (en) | 1982-01-26 | 1982-01-26 | Motor rotation speed detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58112084U true JPS58112084U (en) | 1983-07-30 |
Family
ID=30020943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982008232U Pending JPS58112084U (en) | 1982-01-26 | 1982-01-26 | Motor rotation speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58112084U (en) |
-
1982
- 1982-01-26 JP JP1982008232U patent/JPS58112084U/en active Pending
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