Stand-by power supply with AC-DC power input
A technology of DC power supply and backup power supply, applied in parallel operation of DC power supply, emergency power supply arrangement, electrical components, etc., can solve the problems of rechargeable battery loss, reduction of actual usable power, short response rate, etc., and achieve the effect of low cost
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[0012] Relevant detailed description and technical contents of the present invention are as follows now in conjunction with the accompanying drawings:
[0013] see figure 1 As shown, it is a schematic diagram of the first embodiment of the present invention. As shown in the figure, the present invention is a backup power supply, which can be a linear or switching power supply according to its function, and the backup power supply includes at least one A DC / DC power supply 40 connected to the DC power supply 20 and performing power processing to output DC power, at least one AC / DC power supply 30 connected to the AC power supply 10 and rectified power processing to output DC power, and at least one providing the The DC / DC power supply 40 and the AC / DC power supply 30 are connected in parallel to the power control circuit board 50, the power control circuit board 50 integrates the DC power and outputs it to the electronic device 60, and the power control circuit The board 50 in...
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