Low-voltage direct-current redundant power supply control system
A power supply control, low-voltage DC technology, applied in the direction of collectors, electric vehicles, electrical components, etc., can solve the problems of secondary winding burning, data interruption, unable to automatically complete the battery and mains conversion, etc., to ensure the stability of power supply , the effect of ensuring safety
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[0027] Below in conjunction with accompanying drawing, the present invention is described in further detail:
[0028] A low-voltage DC redundant power supply control system provided by the present invention includes a transformer T1, a rectifier circuit Z1, a main power supply circuit, a battery BAT, a battery charging management circuit, a battery switching control circuit, a first relay, a second relay, and battery reverse connection detection control circuit;
[0029] The first relay and the second relay are normally closed relays;
[0030] The normally closed switch K1 of the first relay is set in the energization circuit of the primary winding of the transformer T1, the normally closed switch K2 of the second relay is set between the secondary winding of the transformer T1 and the ground, and the battery reverse connection detection control circuit is used to detect the battery Whether to reverse the connection and control the disconnection of the first relay and the sec...
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