Double-motor strong exhaust device of alternation operation

交替运转的双电机强排风装置

Abstract

An alternatively running air exhausting device with big power and double motors includes a vent pipe; two blowers and a control switch which controls the invention to alternatively run are provided inside the vent pipe. The vent pipe is divided into a wall-penetrating pipe, a connecting pipe outside the wall or a vertical pipe; the two blowers are provided in series inside the wall-penetrating pipe or the vertical pipe, or respectively provided inside the connecting pipes outside the wall which are connected in parallel. The utility model has the advantages of that: two blowers can run alternatively; because the interval with same time length is created, so the invention can effectively avoid the damage due to the overheating; the invention also has the functions of natural ventilation and single-direction ventilation.
一种交替运转的双电机强排风装置,包括通风管,在所述的通风管内装有两个风机和控制其交替运转的控制开关。所述的通风管为穿墙管、墙外连接管或立管,所述的两个风机串联安装在穿墙管或立管内,或分别装于并联的墙外连接管内。本实用新型的优点是:两个风机可以交替轮流运转,由于有了等时长的间歇,故可以有效避免因过热而损坏;还具有自然通风和单向通风的功能。

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