Protection circuit for internal motor of gear push rod

• Main Authors: LI SHANJUN, CHEN CHUAN, BAO XIULAN, YANG FANG
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model discloses a gear push rod internal motor protection circuit, which comprises a forward drive circuit, a reverse drive circuit, a time delay circuit and a push rod motor, one end of the forward drive circuit is electrically connected with the positive pole of a power supply, the other end of the forward drive circuit is electrically connected with the negative pole of the power supply through the control end of the time delay circuit, and the push rod motor is electrically connected with the reverse drive circuit. The reverse driving circuit is connected to the two ends of the forward driving circuit in parallel, the time delay circuit is arranged between the positive electrode and the negative electrode of a power source, an external forward power source is electrically connected with the push rod motor through the control end of the forward driving circuit, and the forward driving circuit and the reverse driving circuit are interlocked. And the interlocking circuit is connected with the del