CN2292354Y - Controller for ac motor - Google Patents
Controller for ac motor Download PDFInfo
- Publication number
- CN2292354Y CN2292354Y CN 97217894 CN97217894U CN2292354Y CN 2292354 Y CN2292354 Y CN 2292354Y CN 97217894 CN97217894 CN 97217894 CN 97217894 U CN97217894 U CN 97217894U CN 2292354 Y CN2292354 Y CN 2292354Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrical machine
- machine controller
- phase
- utility
- 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.)
- Expired - Fee Related
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model relates to a controller for alternating current motors. The utility model is composed of a base seat, an outer shell and an electronic circuit. The outer shell is provided with an output interface, a power input interface, a power switch, a power indicator light, an indicating scale board and the turn knob of a speed regulation potentiometer. Compared with the existing controller for alternating current motors, the utility model has the advantages of simple structure, economy and utility, good power-saving performance, good soft starting and stepless speed regulation effects, and reliable and stable operation. The utility model is especially used as the controller of the soft starting and stepless speed regulation of various single-phase and three-phase alternating current asynchronous motors and other induction motors.
Description
The utility model belongs to electronic technology field, particularly a kind of being used for the economize on electricity controller of soft start and stepless speed regulation of alternating current motor.
The existing controller that alternating current motor is carried out soft start and stepless speed regulation has variable-frequency governor, controllable silicon soft starter and variable voltage control and electromagnetic speed regulator.Wherein variable-frequency governor exists complex structure, weak point that cost is high, and other controller exists the shortcoming of using inconvenience, soft start and stepless speed regulation weak effect.
Task of the present utility model is at the soft start of existing alternating current motor and the existing above-mentioned weak point of controller of stepless speed regulation, provide a kind of simple in structure, economical and practical, effect preferably, reliable and stable alternating current motor economize on electricity soft start and stepless speed regulation controller.
Task of the present utility model is finished in the following way: this AC electrical machine controller is made up of base, shell and electronic circuit, wherein is provided with output interface, power input interface, mains switch, power supply indicator, indicating graduation board and speed regulation potentiometer knob on shell.Electronic circuit is made up of power circuit, fundamental signal generation circuit, phase-shift voltage regulating circuit, wherein power circuit is made up of 1 transformer, 4 rectifier diodes, 1 resistance, fundamental signal generation circuit is made up of 3 isolating diodes, 1 electrolytic capacitor filter, 1 cycle counter integrated circuit, 1 triode, 1 photoelectrical coupler, 1 bidirectional triode thyristor, 5 resistance, and the phase-shift voltage regulating circuit is made up of 1 bidirectional triode thyristor, 1 bidirectional trigger diode, 1 phase shift oscillating capacitance, 1 phase-shift voltage regulating potentiometer, 1 resistance.During the work of AC electrical machine controller, come motor is carried out speed governing by regulating the phase-shift voltage regulating potentiometer.
The utility model is compared with existing AC electrical machine controller, have simple in structure, economical and practical, electricity saving performance is good, soft start and stepless speed regulation is effective, the characteristics of reliable and stable work.The utility model is particularly suitable as a kind of be used for all kinds of single-phase and three-phase AC asynchronous motor and the soft start of other induction motors and the controllers of stepless speed regulation.
Description of drawings:
Fig. 1 is the outside drawing of AC electrical machine controller.Wherein (1) represents base; (2) expression output interface; (3) expression power input interface; (4) expression mains switch; (5) expression power supply indicator; (6) expression indicating graduation board; (7) expression speed regulation potentiometer knob; (8) expression base fixing hole; (9) expression shell.
Fig. 2 is the internal structure schematic diagram of AC electrical machine controller.Wherein (10) represent the cycle counter integrated circuit; (11) expression bidirectional triode thyristor; (12) expression photoelectrical coupler; (13) indication circuit plate; (14) indication transformer.
Fig. 3 is the circuit diagram of AC electrical machine controller.Wherein (15) represent power circuit; (16) expression fundamental signal generation circuit; (17) expression phase-shift voltage regulating circuit; (18) expression motor; BT is a transformer; D
1To D
4Be the bridge full-wave rectifier diode; D
5To D
7Be isolating diode; C
1Be electrolytic capacitor filter; IC
1Be the cycle counter integrated circuit; BG is a triode; IC
2Be photoelectrical coupler; SCR
1, SCR
2Be bidirectional triode thyristor; M is a motor; D
8Be bidirectional trigger diode; C
2Be the phase shift oscillating capacitance; RW is the phase-shift voltage regulating potentiometer; R
1To R
7Be resistance.
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
The AC electrical machine controller is made up of base (1), shell (9) and electronic circuit.Wherein on shell (9), be respectively equipped with output interface (2), power input interface (3), mains switch (4), power supply indicator (5), indicating graduation board (6) and speed regulation potentiometer knob (7).On base (1), be provided with the base fixing hole (8) that fixing AC electrical machine controller is used.Electronic circuit is made up of power circuit (15), fundamental signal generation circuit (16), phase-shift voltage regulating circuit (17), and wherein power circuit (15) is by a transformer BT, by 4 diode D
1To D
4Full-wave bridge rectifier circuit and 1 resistance R of forming
1Form; Fundamental signal generation circuit (16) is by 3 isolating diode D
5To D
7, 1 electrolytic capacitor filter C
1, 1 cycle counter integrated circuit (IC)
1, 1 triode BG, 1 photoelectrical coupler IC
2, 1 bidirectional triode thyristor SCR
1, 5 resistance R
2To R
6Form; Phase-shift voltage regulating circuit (17) is by 1 bidirectional triode thyristor SCR
2, 1 bidirectional trigger diode D
8, 1 phase shift oscillating capacitance C
2, 1 phase-shift voltage regulating potentiometer RW, 1 resistance R
7Form.
Claims (5)
1, a kind of AC electrical machine controller, it is characterized in that this AC electrical machine controller is made up of base (1), shell (9) and electronic circuit, wherein be respectively equipped with output interface (2), power input interface (3), mains switch (4), power supply indicator (5), indicating graduation board (6) and speed regulation potentiometer knob (7) on shell (9), electronic circuit is made up of power circuit (15), fundamental signal generation circuit (16), phase-shift voltage regulating circuit (17).
2, AC electrical machine controller according to claim 1 is characterized in that power circuit (15) is by a transformer BT, by 4 diode D
1To D
4Full-wave bridge rectifier circuit and 1 resistance R of forming
1Form.
3, AC electrical machine controller according to claim 1 is characterized in that fundamental signal generation circuit (16) is by 3 isolating diode D
5To D
7, 1 electrolytic capacitor filter C
1, 1 cycle counter integrated circuit (IC)
1, 1 triode BG, 1 photoelectrical coupler IC
2, 1 bidirectional triode thyristor SCR
1, 5 resistance R
2To R
6Form.
4, AC electrical machine controller according to claim 1 is characterized in that phase-shift voltage regulating circuit (17) is by 1 bidirectional triode thyristor SCR
2, 1 bidirectional trigger diode D
8, 1 phase shift oscillating capacitance C
2, 1 phase-shift voltage regulating potentiometer RW, 1 resistance R
7Form.
5, AC electrical machine controller according to claim 1 is characterized in that being provided with base fixing hole (8) on base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217894 CN2292354Y (en) | 1997-05-21 | 1997-05-21 | Controller for ac motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217894 CN2292354Y (en) | 1997-05-21 | 1997-05-21 | Controller for ac motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292354Y true CN2292354Y (en) | 1998-09-23 |
Family
ID=33934303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97217894 Expired - Fee Related CN2292354Y (en) | 1997-05-21 | 1997-05-21 | Controller for ac motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292354Y (en) |
-
1997
- 1997-05-21 CN CN 97217894 patent/CN2292354Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |