PROBLEM TO BE SOLVED: To provide a plant cultivation device capable of adjusting the intensity of light irradiated on plants.SOLUTION: The plant cultivation device 1 includes a cultivation rack 3 having placing shelves 4 for placing cultivation vessels 2 where plants are planted, and LED lighting systems 5 arranged at spaces above the placing shelves 4. Each LED lighting system 5 includes a plurality of LED lighting fixtures 6, and a lighting fixture mounting part 7 for mounting the LED lighting fixtures 6 so that the longitudinal positions of the LED lighting fixtures 6 to the placing shelf 4 can be changed. The lighting fixture mounting part 7 of the LED lighting system 5 includes a mounting frame 15 having both right and left frame members serving as lighting fixture suspending members arranged at a space in a lateral direction in a state of the longitudinal direction pointing in a front-rear direction holders mounted to both the right and left frame members movably in the front-rear direction to hold the LED lighting fixtures 6 and fixing members for fixing the holders to the lighting fixture suspending members in optional positions in the front-rear direction.COPYRIGHT: (C)2013,JPO&INPIT【課題】植物に照射する光強度を調節することが可能な植物栽培装置を提供する。【解決手段】植物栽培装置1は、植物が植えられた栽培槽2を載せる載置棚4を有する栽培ラック3と、載置棚4の上方に間隔をおいて配置されたLED照明装置5とを備えている。LED照明装置5が、複数のLED灯具6と、載置棚4に対するLED灯具6の前後方向の位置を変更しうるようにLED灯具6を取り付ける灯具取付部7とを備えている。LED照明装置5の灯具取付部7は、長手方向を前後方向に向けた状態で左右方向に間隔をおいて配置された灯具吊持部材としての左右両枠部材を有する取付枠15と、左右両枠部材に前後方向に移動自在に取り付けられかつLED灯具6を保持するホルダと、ホルダを前後方向の任意の位置で灯具吊持部材に固定する固定部材とを有している。【選択図】図1
