Fully electronically controlled compact ventilator
A fully electronically controlled, ventilator technology, applied in the field of ventilators, can solve the problems of hidden safety hazards, increased energy consumption and noise, poor motor heat dissipation, etc., to reduce noise, reduce intake pressure, and control stability. strong effect
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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0025] Such as Figure 1-3 As shown, the fully electronically controlled compact ventilator of the present invention includes a battery (not shown in the figure), a fan 1 and an air circuit device, and the fan 1 includes a box body 11, which is centrally arranged in the box body and The turbofan 12 is spaced from the inner wall to form an air chamber. The air circuit device 2 includes a three-way valve 22 driven by a stepping motor 21 and an air duct box 23. One valve port of the three-way valve is connected to the fan 1 The air outlet is connected, the air duct box is provided with an air inlet passage and a return air passage respectively connected with the other two valve ports, a...
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