PROBLEM TO BE SOLVED: To provide a plant cultivation device that can reduce capital investment expense and storage space by reducing the number of power supply means.SOLUTION: Although illumination means 3A, 3B, and 3C are respectively driven by drive voltages V1, V2, and V3 that carry out PWM control, switching means 9A is provided between these illumination means 3A, 3B, and 3C and power supply means 4 so that a plurality of illumination means 3A, 3B, and 3C can be driven by single power supply means 4A.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】電源供給手段の数を少なくして、設備投資費や収納スペースの削減することのできる植物栽培装置を提供する。【解決手段】各照明手段3A,3B,3Cは、PWM制御を行った駆動電圧V1,V2,V3によって駆動するが、それらの照明手段3A,…と電源供給手段4Aとの間にはスイッチング手段9Aを設けておいて1台の電源供給手段4Aにより複数の照明手段3A,…を駆動できるようにする。【選択図】図2
