PROBLEM TO BE SOLVED: To provide a freshness keeping device which keeps the freshness of food such as vegetables and fruits, and plants such as flowers and garden plants, and stores them for a long time.SOLUTION: A freshness keeping device has a storage chamber 3 which stores food such as vegetables and fruits, and plants such as flowers and garden plants, a mist generator 1 which generates nano mist and a negative ion into air by crushing of water spouting into air and cyclically supplies the generated nano mist and negative ion to the storage chamber 3, and a low temperature chiller 8 which cools the storage chamber 3 in which the low temperature chiller 8 has a refrigerating circuit 6 which is composed of a compressor 48, a condenser 50, an expansion valve 51, and a refrigerant/water heat exchanger 52 comprising an evaporator, and a cool water circulation circuit 7 having a circulation pump 53 which circulates cool water cooled by the refrigerant/water heat exchanger 52 to a refrigerator 56 provided in the storage chamber 3.COPYRIGHT: (C)2014,JPO&INPIT【課題】野菜や果物等の食物、花や植木等の植物を鮮度を保持して、長期間保存することができる鮮度保持装置を提供する。【解決手段】野菜や果物等の食物、花や植木等の植物を保存する保存庫3と、空気中に噴出された水の破砕によってナノミストとマイナスイオンを空気中に発生させ、この発生したナノミストとマイナスイオンを前記保存庫3に循環供給するミスト発生器1と、前記保存庫3を冷却する低温チラー8とを備えたもので、前記低温チラー8は、圧縮機48及び凝縮器50及び膨張弁51及び蒸発器を構成する冷媒水熱交換器52からなる冷凍回路6と、前記冷媒水熱交換器52で冷却された冷却水を前記保存庫3に備えられた冷却器56に循環させる循環ポンプ53を備えた冷水循環回路7とを備えたものである。【選択図】 図1
