Patent ID: 9312793
Filing Date: 2016-04-12
CPC Classification: H02P

Claim Text:
1. A brake control circuit for controlling a motor brake connected to a motor, which comprises a brake control input module and a brake control main module used to control the motor brake to start or stop under the control of the brake control input module, wherein the brake control input module includes a control signal input unit and N relays connected in parallel to an output end of the control signal input unit, the control signal input unit is used to collect a power-off signal or receive an emergency stop signal, generate a brake control signal according to the collected power-off signal or the input emergency stop signal, and transmit the generated brake control signal to the relays, the relays are electrically connected to the brake control main module, and are used to control an output of the brake control main module according to the brake control signal received from the control signal input unit, and N is an integer greater than or equal to 2.