JPS6474090A - Motor driving circuit - Google Patents
Motor driving circuitInfo
- Publication number
- JPS6474090A JPS6474090A JP62228326A JP22832687A JPS6474090A JP S6474090 A JPS6474090 A JP S6474090A JP 62228326 A JP62228326 A JP 62228326A JP 22832687 A JP22832687 A JP 22832687A JP S6474090 A JPS6474090 A JP S6474090A
- Authority
- JP
- Japan
- Prior art keywords
- driving
- phase
- circuit
- motor
- windings
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/20—Arrangements for starting
Abstract
PURPOSE:To shorten a start-up time by supplying driving current to each stator phase winding by an initial phase driving signal, monitoring AC induced voltage as well and releasing an initial driving operation in case of starting of a motor. CONSTITUTION:A three phase brushless motor is equipped with the stator phase windings 1(a)-1(c) for driving, and its driving circuit is detected by the transistors 2(a)-2(f), a change-over switch 3, a phase starting pulse circuit 4, a starting detection circuit 5, a three phase logic circuit 6, a stop detection circuit 7, etc. And, in case of driving of a motor, an initial phase driving signal is supplied to a stator phase winding driving circuit, and the driving current is supplied to each stator phase windings 1(a)-1(c) thereby, and a rotor starts to rotate. AC induced voltage is brought on the stator phase windings 1(a)-1(c) by rotation of the rotor, and its amplitude is discriminated. When it is in excess of a specific value, it is switched from the initial phase driving signal to a phase driving signal, a continuity angle of the driving current supplied to the said windings 1(a)-1(c) is set by AC induced voltage and the motor is rotated stably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62228326A JPS6474090A (en) | 1987-09-14 | 1987-09-14 | Motor driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62228326A JPS6474090A (en) | 1987-09-14 | 1987-09-14 | Motor driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6474090A true JPS6474090A (en) | 1989-03-20 |
Family
ID=16874696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62228326A Pending JPS6474090A (en) | 1987-09-14 | 1987-09-14 | Motor driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6474090A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02276493A (en) * | 1989-03-24 | 1990-11-13 | Toshiba Corp | Controlling circuit for sensorless motor |
| EP0556117A2 (en) * | 1992-02-11 | 1993-08-18 | Lg Electronics Inc. | Start assisting device for high speed reluctance motor |
| JP2005186187A (en) * | 2003-12-25 | 2005-07-14 | Fuji Heavy Ind Ltd | Rotation stop detecting device for motor |
-
1987
- 1987-09-14 JP JP62228326A patent/JPS6474090A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02276493A (en) * | 1989-03-24 | 1990-11-13 | Toshiba Corp | Controlling circuit for sensorless motor |
| EP0556117A2 (en) * | 1992-02-11 | 1993-08-18 | Lg Electronics Inc. | Start assisting device for high speed reluctance motor |
| EP0556117A3 (en) * | 1992-02-11 | 1993-09-22 | Lg Electronics Inc. | Start assisting device for high speed reluctance motor |
| US5268627A (en) * | 1992-02-11 | 1993-12-07 | Goldstar Co., Ltd. | Start assisting device for high speed reluctance motor |
| JP2005186187A (en) * | 2003-12-25 | 2005-07-14 | Fuji Heavy Ind Ltd | Rotation stop detecting device for motor |
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