JPS6219096U - - Google Patents
Info
- Publication number
- JPS6219096U JPS6219096U JP1985107078U JP10707885U JPS6219096U JP S6219096 U JPS6219096 U JP S6219096U JP 1985107078 U JP1985107078 U JP 1985107078U JP 10707885 U JP10707885 U JP 10707885U JP S6219096 U JPS6219096 U JP S6219096U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- rotor
- stator winding
- voltage
- 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.)
- Granted
Links
- 238000009499 grossing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 4
- 238000012423 maintenance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
図面は本考案の実施例を示す装置の電気回路図
である。
１……ブラシレスモータ、２……位置検出器、
３……スイツチング回路、９……波形整形回路、
１０……平滑回路、１５……電源回路。
The drawing is an electrical circuit diagram of a device showing an embodiment of the present invention. 1...Brushless motor, 2...Position detector,
3... Switching circuit, 9... Waveform shaping circuit,
10... Smoothing circuit, 15... Power supply circuit.
Claims (1)
回転子の回転位置を磁気的に検出する単一の位置
検出器と、通電で回転子に磁界を与える固定子巻
線と、前記位置検出器の出力に基づいて固定子巻
線の通電を切換えるスイツチング回路と、前記固
定子巻線に印加する電圧を変える電源回路と、前
記位置検出器の出力に基づいてＨレベル電圧の維
持時間とＬレベル電圧の維持時間との比が変わる
方形波を出力する波形整形回路と、この波形整形
回路の出力電圧を平滑する平滑回路と、この平滑
回路の出力電圧と設定電圧とを比べる差動増巾器
とを備えこの差動増巾器の出力で前記電源回路を
制御したことを特徴とするブラシレスモータの速
度制御装置。 A rotor having multiple magnetic poles on a circumference, a single position detector that magnetically detects the rotational position of this rotor, a stator winding that applies a magnetic field to the rotor when energized, and the position of the rotor. a switching circuit that switches energization of the stator winding based on the output of the detector; a power supply circuit that changes the voltage applied to the stator winding; and a switching circuit that switches the voltage applied to the stator winding based on the output of the position detector; A waveform shaping circuit that outputs a square wave whose ratio to the maintenance time of the L level voltage changes, a smoothing circuit that smoothes the output voltage of this waveform shaping circuit, and a differential increaser that compares the output voltage of this smoothing circuit with a set voltage. A speed control device for a brushless motor, comprising: a differential amplifier, and the power supply circuit is controlled by the output of the differential amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985107078U JPH0715356Y2 (en) | 1985-07-12 | 1985-07-12 | Brushless motor speed controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985107078U JPH0715356Y2 (en) | 1985-07-12 | 1985-07-12 | Brushless motor speed controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6219096U true JPS6219096U (en) | 1987-02-04 |
| JPH0715356Y2 JPH0715356Y2 (en) | 1995-04-10 |
Family
ID=30983022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985107078U Expired - Lifetime JPH0715356Y2 (en) | 1985-07-12 | 1985-07-12 | Brushless motor speed controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715356Y2 (en) |
-
1985
- 1985-07-12 JP JP1985107078U patent/JPH0715356Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715356Y2 (en) | 1995-04-10 |
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