▎ 摘　　要

NOVELTY - The utility model claims a negative ion releaser. negative ion releaser comprises DC voltage generation device, a piezoelectric transformer and graphene release electrode, the DC voltage generating device is used for generating voltage + DC voltage 12V, the piezoelectric transformer is connected with the output end of the DC voltage generating device. for converting the direct current voltage + 12V into the direct current negative high voltage; the graphene release electrode through high-voltage lead is connected with the output end of the piezoelectric transformer, the release electrode of graphene release electrode is cylindrical structure with a conical tip is made from graphene materials. anion releaser of this utility model releases negative ion has high purity, large dose, and dose not generate large amount of ozone.