Direct current motor control circuit
A direct current motor control circuit comprises a connector, a first photoelectric coupler and a second photoelectric coupler. And the first end and the second end of the connector are respectively connected with the rotating speed feedback voltage end and the calibration voltage end of the direct...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A direct current motor control circuit comprises a connector, a first photoelectric coupler and a second photoelectric coupler. And the first end and the second end of the connector are respectively connected with the rotating speed feedback voltage end and the calibration voltage end of the direct current motor. And the third end and the fourth end of the connector are respectively connected with the first photoelectric coupler and the second photoelectric coupler. And the connector transmits the rotating speed feedback voltage output by the rotating speed feedback voltage end to the first photoelectric coupler, and sends the rotating speed control signal output by the second photoelectric coupler to the calibration voltage end of the direct current motor. The first photoelectric coupler is connected with the motor feedback signal input end of the motor control chip and used for feeding back the rotating speed feedback voltage of the direct current motor to the motor control chip. And the second photoelectri |
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