PROBLEM TO BE SOLVED: To provide a solar cell type air diffusion device capable of exerting a sufficient air diffusion performance even under a low illuminance environment extremely low in power consumption.SOLUTION: There is provided an air diffusion device housing an air generation source and a blower for generating an air flow from the generation source toward an air discharge port in a case having the air discharge port for air diffusion. The blower includes: a freely rotatably-supported rotary plate a vane member which is integrally provided on the rotary plate and generates the air flow accompanying the rotation of the rotary plate a plurality of permanent magnets which are arranged on the rotary plate at the prescribed angle intervals while alternately differentiating a polarity along a circle having a prescribed radius and a vertical axis as a center a solar cell an electronic circuit power-fed from the solar cell and generating a periodically pulsed voltage and the flat coils which are arranged facing the rotary plate so as to pass each other with the permanent magnet when the rotary plate rotates and to which the pulsed voltages are applied, respectively.COPYRIGHT: (C)2015,JPO&INPIT【課題】消費電力が極めて低く、低照度環境に置かれた場合にも、充分な散気性能を発揮することきができる太陽電池式の散気装置を提供すること。【解決手段】散気用の気体放出口を有するケース内に、気体の発生源と、前記発生源から前記気体放出口へと向かう気流を発生させるための送風機とを収容してなり、前記送風機は、回転自在に支持された回転板と、前記回転板上に一体的に設けられ、前記回転板が回転するに連れて、前記気流を生じさせる羽根部材と、前記回転板上に、前記軸を中心とする所定半径の円に沿って所定角度間隔かつ交互に極性を異ならせて配列された複数の永久磁石と、太陽電池と、前記太陽電池から給電されて、周期的なパルス状電圧を発生する電子回路と、前記回転板が回転するときに、前記永久磁石とすれ違うように、前記回転板と対向配置され、かつ前記パルス状電圧がそれぞれ印加される扁平なコイルと、を包含する。【選択図】図2
