| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a plant cultivation device for decreasing power consumption while achieving deterioration suppression of nutritious liquid. <P>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. <P>COPYRIGHT: (C)2012,JPO&INPIT |
