ABS brake control circuit of elevator brake system
A brake controller and circuit technology, applied in elevators, transportation, packaging, etc., can solve the problem of insufficient safety and reliability of manual brake release and rescue measures, and achieve the effect of eliminating major safety hazards
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[0022] Such as figure 1 As shown, the brake control circuit of the present invention includes a brake controller 1, a backup power supply 3, a manual rescue command circuit 4, a grid power failure command circuit 5, a system failure command circuit 6, a signal recognition circuit 7 and a braking mode switching circuit 8 and other parts.
[0023] The input terminal of the brake controller 1 is respectively connected to the system working power supply and the backup power supply 3; the control terminal of the brake controller 1 is connected to the braking mode switching circuit 8; the output terminal of the brake controller 1 is connected to the controlled action object - the brake 2. Under normal working conditions, it is powered by the system working power supply, and automatically switches to the backup power supply 3 for power supply under abnormal working conditions. The brake controller 1 can output a normal braking signal under normal conditions of the system, and outpu...
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