JPS56121395A - Driving circuit of dc motor - Google Patents
Driving circuit of dc motorInfo
- Publication number
- JPS56121395A JPS56121395A JP2260680A JP2260680A JPS56121395A JP S56121395 A JPS56121395 A JP S56121395A JP 2260680 A JP2260680 A JP 2260680A JP 2260680 A JP2260680 A JP 2260680A JP S56121395 A JPS56121395 A JP S56121395A
- Authority
- JP
- Japan
- Prior art keywords
- controlled
- constant current
- current circuit
- motor
- currents
- 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
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
PURPOSE:To enable a DC brushless motor torque to linearly be controlled by a method wherein a constant current circuit which have stator coils connected between nodes and are connected in series with plural pairs of parallel circuits in a series circuit of a pair of transistors, is connected to a power source. CONSTITUTION:The transistors Q1-Q6 are ON-OFF controlled by a switching control circuit A1 based on rotational positions detecting signals from Hall elements H1-H3, thereby a power source voltage Vm being applied to the stator coils L1- L3 to cause the motor to be driven. At the time, the currents commutated through the coils L1-L3 are turned to currents to be attracted to the constant current circuit A2 and accordingly, the commutated currents can be controlled by the constant current circuit A2 and the constant current circuit A2 is varied, thereby enabling the torque of the motor to arbitrarily linearly be controlled. In addition, diodes D1-D6 are used for the protection against the inverse voltages between base emitters of the transistor Q1-Q6.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2260680A JPS56121395A (en) | 1980-02-25 | 1980-02-25 | Driving circuit of dc motor |
AU67195/81A AU544713B2 (en) | 1980-02-25 | 1981-02-11 | D.c. motor driving circuit |
CA000370857A CA1170712A (en) | 1980-02-25 | 1981-02-13 | Dc motor driving circuit |
GB8104765A GB2071440B (en) | 1980-02-25 | 1981-02-16 | Dc motor drive circuit arrangements |
US06/235,655 US4358720A (en) | 1980-02-25 | 1981-02-18 | DC Motor driving circuit |
AT0076781A AT376529B (en) | 1980-02-25 | 1981-02-19 | DC MOTOR CONTROL LEVEL FOR CONTROLLING THE BRAKING TORQUE OF A DC MOTOR |
FR8103562A FR2476933B1 (en) | 1980-02-25 | 1981-02-23 | DRIVE CIRCUIT OF A BRUSHLESS DIRECT CURRENT MOTOR. |
DE19813106856 DE3106856A1 (en) | 1980-02-25 | 1981-02-24 | DC MOTOR DRIVE CIRCUIT |
NL8100925A NL8100925A (en) | 1980-02-25 | 1981-02-25 | SWITCH FOR CONTROLLING THE TORQUE SUPPLIED BY A DC MOTOR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2260680A JPS56121395A (en) | 1980-02-25 | 1980-02-25 | Driving circuit of dc motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56121395A true JPS56121395A (en) | 1981-09-24 |
Family
ID=12087494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2260680A Pending JPS56121395A (en) | 1980-02-25 | 1980-02-25 | Driving circuit of dc motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56121395A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0567198U (en) * | 1992-01-31 | 1993-09-03 | 日本ビクター株式会社 | DC brushless motor control circuit |
KR100527528B1 (en) * | 2002-07-26 | 2005-11-09 | 미쓰비시덴키 가부시키가이샤 | Motor driving device for supplying driving current to a three-phase motor through output transistors |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5243924A (en) * | 1975-10-02 | 1977-04-06 | Pioneer Electronic Corp | Direct current motor without commutator |
JPS54125418A (en) * | 1978-03-23 | 1979-09-28 | Matsushita Electric Ind Co Ltd | Dc motor |
-
1980
- 1980-02-25 JP JP2260680A patent/JPS56121395A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5243924A (en) * | 1975-10-02 | 1977-04-06 | Pioneer Electronic Corp | Direct current motor without commutator |
JPS54125418A (en) * | 1978-03-23 | 1979-09-28 | Matsushita Electric Ind Co Ltd | Dc motor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0567198U (en) * | 1992-01-31 | 1993-09-03 | 日本ビクター株式会社 | DC brushless motor control circuit |
KR100527528B1 (en) * | 2002-07-26 | 2005-11-09 | 미쓰비시덴키 가부시키가이샤 | Motor driving device for supplying driving current to a three-phase motor through output transistors |
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