Multi-motor counter potential bleeder circuit and system for rehabilitation robot

The invention discloses a multi-motor counter potential bleeder circuit for a rehabilitation robot. The multi-motor counter potential bleeder circuit is characterized in that a power module is connected to the drain electrode of a PMOS tube, an anti-reverse module is unidirectionally conducted, the positive electrode of the anti-reverse module is connected to a power supply voltage VCC, and the negative electrode of the anti-reverse module is connected to at least two joint control modules through a filtering module; the source electrode of the PMOS tube is connected with the at least two joint control modules through the filtering module, and the grid electrode of the PMOS tube is connected with the power supply voltage VCC. The invention further discloses a multi-motor counter potentialbleeder system for the rehabilitation robot. According to the multi-motor counter potential bleeder circuit and system for the rehabilitation robot, the counter potential bleeder circuits of the multiple motors are combined i