JPS5880796U - Brushless motor drive circuit - Google Patents
Brushless motor drive circuitInfo
- Publication number
- JPS5880796U JPS5880796U JP1981177185U JP17718581U JPS5880796U JP S5880796 U JPS5880796 U JP S5880796U JP 1981177185 U JP1981177185 U JP 1981177185U JP 17718581 U JP17718581 U JP 17718581U JP S5880796 U JPS5880796 U JP S5880796U
- Authority
- JP
- Japan
- Prior art keywords
- brushless motor
- motor drive
- drive circuit
- rotor
- output
- 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
- Control Of Motors That Do Not Use Commutators (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
図面は本考案の一実施例を示すものであって、第１図は
２相正弦波駆動ブラシレスモークの縦断面図、第２図は
ロータマグネットの平面図、第３図はステータの平面図
、第４図はブラシレスモータ駆動回路の構成を示すブロ
ック図、第５図■〜■はブラシレスモータ駆動回路の動
作を説明するためのタイムチャートである。
なお図面に用いられている符号において、１８・・・排
他的論理和回路、１９・・・傾斜波発生回路、２０・・
・ゲートパルス発生回路、２１・・・ゲート回路、２２
・・・サンプル・ホールド回路、Ｈ□、Ｈ２・・・第１
のホール素子、Ｈ３，Ｈ４・・・第２のホール素子、Ｌ
ｌ・・・Ａ相のステータコイル、”２・・・Ｂ相のステ
ータコイルである。
ｌｂ □□「
２０The drawings show an embodiment of the present invention, in which Fig. 1 is a longitudinal cross-sectional view of a two-phase sinusoidal drive brushless smoke, Fig. 2 is a plan view of the rotor magnet, and Fig. 3 is a plan view of the stator. FIG. 4 is a block diagram showing the configuration of the brushless motor drive circuit, and FIGS. 5-5 are time charts for explaining the operation of the brushless motor drive circuit. In addition, in the symbols used in the drawings, 18...exclusive OR circuit, 19...gradient wave generation circuit, 20...
・Gate pulse generation circuit, 21... Gate circuit, 22
...Sample/hold circuit, H□, H2...1st
Hall elements, H3, H4... second Hall elements, L
1: A-phase stator coil, "2: B-phase stator coil. lb □□" 20
Claims (1)
を増幅して、前記検出出力に応じた正弦波状の駆動電流
ステータコイルに流すようにしたブラシレスモータ駆動
回路において、電気角で１８０°以内の範囲に配置され
た一対の第２の磁電変換素子と、前記第２の磁電変換素
子の出力に応じた信号が入力される排他的論理和回路と
をそれぞれ設け、前記排他的論理和回路の出力信号に基
いてロータの回転速度を制御するようにしたことを特徴
とするブラシレスモータ駆動回路。A brushless motor drive circuit that amplifies the output of a first magnetoelectric transducer that detects the rotational position of the rotor and sends a sinusoidal drive current to a stator coil according to the detected output within 180 degrees in electrical angle. A pair of second magnetoelectric transducers arranged in a range of A brushless motor drive circuit characterized in that the rotational speed of a rotor is controlled based on an output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981177185U JPS5880796U (en) | 1981-11-28 | 1981-11-28 | Brushless motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981177185U JPS5880796U (en) | 1981-11-28 | 1981-11-28 | Brushless motor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5880796U true JPS5880796U (en) | 1983-06-01 |
Family
ID=29970837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981177185U Pending JPS5880796U (en) | 1981-11-28 | 1981-11-28 | Brushless motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5880796U (en) |
-
1981
- 1981-11-28 JP JP1981177185U patent/JPS5880796U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5880796U (en) | Brushless motor drive circuit | |
| JPS5945505U (en) | Cylinder stroke detection device | |
| JPS618822U (en) | Flowmeter | |
| JPS5878796U (en) | Brushless motor drive circuit | |
| JPS6134403U (en) | Rotation angle detection device | |
| JPS6140603U (en) | Position sensor using stepping motor | |
| JPS59116805U (en) | Load lever position sensor | |
| JPS59146721U (en) | Rotary encoder output processing circuit | |
| JPS61153475U (en) | ||
| JPS5880508U (en) | Rotation operation amount detection device | |
| JPS613469U (en) | vehicle speed sensor | |
| JPS60124286U (en) | Cylinder motor | |
| JPS5918591U (en) | 3-phase DC brushless motor drive circuit | |
| JPS62152080U (en) | ||
| JPS60171074U (en) | Brushless motor rotation detection device | |
| JPS58174980U (en) | 3 phase brushless motor | |
| JPS6042078U (en) | brushless motor | |
| JPS60137374U (en) | Rotation detection device for rotating body | |
| JPS618820U (en) | Flowmeter | |
| JPS5810014U (en) | pulse generator | |
| JPS5914608U (en) | Mechanical sector scan type ultrasound probe | |
| JPS59146719U (en) | Magnetic rotation sensor for motor | |
| JPS5947296U (en) | Brushless motor control device | |
| JPS58112084U (en) | Motor rotation speed detection device | |
| JPS59144529U (en) | Flowmeter |