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实用新型
CN205316580U 一种化学实验室通风管 失效 - 权利终止

一种化学实验室通风管
摘要：
本实用新型公开了一种化学实验室通风管，包括底座、管体和通风装置；所述底座俯视图为圆形，圆四周设有四个安装孔；所述底座上部设有进风孔，下部设有出风孔；所述管体包括第一管体、第二管体、第三管体、开关和漏斗，第三管体连接在底座上，开关连接在第三管体上，第二管体连接在开关上，第一管体连接在第二管体上，漏斗连接在第一管体上；所述通风装置包括扇叶、电动机和电动机控制器，扇叶连接在电动机轴上，电动机连接有电动机控制器；所述电动机控制器包括手动开关和红外线接收器和红外线遥控器，红外线接收器接受红外线遥控器发出的信号控制电动机转速；本实用新型结构简单，使用方便，可调节通风速度，改善了教学条件，提高了教学质量。
摘要（英）：

The utility model discloses a chemistry experiment room ventilation pipe, including base, body and ventilation unit, the base plan view is circular, and the circle is equipped with four mounting holes all around, base upper portion is equipped with the fresh air inlet, and the lower part is equipped with the exhaust vent, the body includes first body, second body, third body, switch and funnel, and the third body is connected on the base, and the switch is connected on the third body, and the second body is connected on the switch, and first body is connected on the second body, and the funnel is connected on first body, ventilation unit includes flabellum, motor and motor controller, and fan blade connected is on motor shaft, and the motor is connected with motor controller, motor controller includes hand switch and infrared receiver and infrared remote controller, and infrared receiver accepts the signal control motor speed that infrared remote controller sent, the utility model discloses simple structure, convenient to use, the teaching condition has been improved to adjustable ventilation speed, has improved the quality of instruction.

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