Postpose type backup power system
A back-up power supply, rear-mounted technology, applied in the direction of current collectors, electric vehicles, electrical components, etc., can solve the problems of limited functional board space, low overall efficiency, complex circuits, etc., to improve conversion efficiency, avoid low efficiency, reduce The effect of failure probability
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[0047] The present invention will be further described in detail below with reference to the accompanying drawings.
[0048] see figure 1, a rear-mounted backup power supply system 100, comprising a battery backup unit 130, ie BBU, and involves each function board assembly 110 of a data information device; the battery backup unit 130 is directly connected in parallel with each function board assembly of the data information device Between the input end of 110 and the output end of each function board assembly 110 front stage power converter, is to connect the battery backup unit 130 in parallel with the front stage power supply AC / DC converter 200 ( Some data information equipment does not have a DC / DC converter 300) or between the output end of the DC / DC converter 300 and the input end of each function board assembly 110 of the data information equipment. When the commercial power and the converters at the front stages of the function board assemblies 110 are normal, the co...
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