PROBLEM TO BE SOLVED: To provide a plant cultivation device for decreasing power consumption while achieving deterioration suppression of nutritious liquid.SOLUTION: The plant cultivation device includes: placing shelves 12 which are installed in a plurality of stairs along the vertical direction of a storehouse 11 defined inside a case body 10 as an insulating frame, and on which plants to be a cultivation object are placed an air circulating means 20 which circulates air between the inside and the outside of the storehouse 11 in the inside of the case body 10 and an evaporator 24 which cools air circulated with the air circulating means. The plant cultivation device for cultivating plants placed on the placing shelves 12 in a desired temperature condition is provided with a plurality of nutritious liquid circulating means 30 which circulate nutritious liquid stored in an own nutritious liquid tank 31 in a situation of flowing down sequentially from an upper stage to a decided division in the placing shelf 12 of each stage, and a nutritious liquid tank 31 forming the nutritious liquid circulating means 30 are each arranged in an air passage 21 circulating by the air circulating means 20.COPYRIGHT: (C)2012,JPO&INPIT【課題】養液の劣化抑制を図りながら、消費電力量の低減化を図ることができる植物栽培装置を提供すること。【解決手段】断熱筐体であるケース本体10の内部に画成された収納庫11に上下方向に沿って複数段設けられ、かつ栽培対象となる植物を載置する載置棚12と、ケース本体10の内部において収納庫11の内部と外部との間で空気を循環させる空気循環手段20と、空間循環手段により循環される空気を冷却する蒸発器24とを備え、載置棚12に載置された植物を所望の温度状態で栽培するようにした植物栽培装置において、各段の載置棚12における決められた区画に上段側より順次流下させる態様で自身の養液タンク31に貯留された養液を循環させる複数の養液循環手段30を備え、養液循環手段30を構成する養液タンク31を空気循環手段20により循環する空気通路21にそれぞれ配設したものである。【選択図】図1
