The load switch electrically operates energy consumption brake circuit

The utility model discloses a load switch electric operation energy consumption brake circuit, comprising a photoelectric coupler, a first bidirectional silicon controlled rectifier, a control chip and a direct current motor, the first input end of the photoelectric coupler is connected with the fourth pin of the control chip through a seventh resistor; the second input end of the photoelectric coupler is simultaneously connected with the third pin of the control chip, one end of the fourth resistor, one end of the fifth resistor, one end of the second capacitor and the first input end of thevoltage, and the first pin of the control chip is simultaneously connected with the other end of the fifth resistor and one end of the sixth resistor. A second pin of the control chip is simultaneously connected with the other end of the fourth resistor and one end of the sixth resistor, a second main electrode of the first bidirectional silicon controlled rectifier is simultaneously connected with one end of the first ca