Cognitive for language teaching vocabulary write down appearance

The utility model discloses a cognitive for language teaching vocabulary write down appearance, the mining explosion -proof box comprises a box body, the box is made by the metal, the inside cavity of box has formed the installation cavity, the box has front panel and a rear panel USB interface and network jack have been set up on the front panel of box to and be used for receiving speech signal's receiver, the receiver on seted up a plurality of sound reception hole seted up a plurality of louvres on the rear panel of box detachably is fixed with two at least fans on the outer wall of rear panel, the fan is made by plastics frame, pivot and a plurality of blade, the pivot is fixed at frame center, the blade cover is established in the pivot and can be followed the pivot is rotated, wind fan cover establish on the louvre. 本实用新型公开了种认知语言教学用词汇记录仪，包括有箱体，所述箱体由金属制成，所述箱体内部中空形成了安装腔，所述箱体具有前面板和后面板，在所述箱体的前面板上设置了USB接口和网络插孔，以及用于接收语音信号的接收器，所述的接收器上开设有若干收音孔，在所述箱体的后面板上开设有若干散热孔，在所述后面板的外壁上可拆卸地固定有至少两个风扇，所述风扇由塑料制成，包括了框架、转轴和多个叶片，所