PROBLEM TO BE SOLVED: To provide a plant cultivation apparatus capable of efficiently cooling a heat generation source and culture solution.SOLUTION: A plant cultivation apparatus comprises: a casing 1 an illumination device 2 attached to an upper part of the casing 1 a culture solution tank 3 which stores culture solution a cultivation tank 4 which is provided inside the casing 1 and in which plants are planted a pump 6 which supplies culture solution from the culture solution tank 3 to the cultivation tank 4 a drain pipe 40 which discharges culture solution from the cultivation tank 4 to the culture solution tank 3 and a cooling device 7 which cools culture solution circulating through a pipeline which is connected to a downstream side of the pump 6 and the illumination device 2.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明は、発熱源及び培養液を効率よく冷却することができる植物体栽培装置を提供することを目的とするものである。【解決手段】植物体栽培装置は、筺体1と、筺体1の上部に取り付けられた照明装置2と、培養液を貯留する培養液槽3と、筺体1の内部に設けられるとともに植物体が植栽される栽培槽4と、培養液槽3から栽培槽4に培養液を供給するポンプ6と、栽培槽4から培養液槽3に培養液を排出する排液管40と、ポンプ6の下流側に接続された管路を流通する培養液及び照明装置2を冷却する冷却装置7とを備えている。【選択図】図1
