A New Ventilation Device Used in Buildings
A ventilation device, a new type of technology, is applied in the direction of ventilation system, space heating and ventilation, space heating and ventilation details, etc. It can solve the problems of difficult ventilation and air humidity that cannot be adjusted, so as to achieve convenient regulation, improve ventilation capacity, The effect of improving the suction power
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[0023] see Figure 1~4 , in an embodiment of the present invention, a novel ventilation device for buildings, including a mounting base 1, a ventilation fan unit, a lower ventilator 5, an upper ventilator 11, a lower conical pipe 6, an upper conical pipe 10, and a suction pipe 9 and the air flow control mechanism 7, wherein the ventilation fan unit is installed on the mounting base, the output end of the ventilation fan unit is connected to the lower ventilator, and the upper end of the lower ventilator is connected to the lower cone Pipe 6, the upper end of the lower conical pipe 6 is connected with the upper ventilator through the upper conical pipe, it is characterized in that the upper small end of the lower conical pipe 6 is connected with the lower small end of the upper conical pipe 10 It is arranged close to the connection, and a connection suction cup 8 is connected between the lower conical pipe 6 and the upper conical pipe 10, and the suction pipe 9 is connected to ...
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