| 摘要 |
An UPS apparatus of the invention essentially comprises an AC detecting circuit, a charging circuit, a DC-AC converter circuit, an UPS output circuit, a control circuit and a power plug, wherein the UPS apparatus is installed with an anion producing circuit therein and the external housing of the UPS apparatus is installed with a release aperture to collocate with the anion producing circuit; when the UPS apparatus conducts electricity, the anion producing circuit would be started to proceed the work of producing the anions, and the anions would be dispersed to the external environment to purify the air, to reduce the occurrences of disease and to promote human's health.
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