Time delay type efficient noise elimination and air changing device and method
A ventilation device and time-delayed technology, applied in the direction of heating, noise suppression, ventilation system, etc., can solve the problems of noise pollution reduction, troublesome use, and insufficient staying time, and achieve high noise reduction effect
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[0042] Such as figure 1 As shown, this embodiment discloses a time-delay type high-efficiency noise reduction ventilation device, including a microprocessor 13, a cylinder 1, a piston 6, a power mechanism for driving the piston, a first buffer room 2, a second buffer Room 22, the third buffer room 14 and the fourth buffer room 23.
[0043] The first buffer room 2 is provided with a first air inlet 2-1 and a first air outlet 2-2, and outdoor air enters the first buffer room 2 through the first air inlet 2-1.
[0044] The second buffer room 22 is provided with a fourth air inlet 22-1 and a fourth air outlet 22-2.
[0045] The third buffer room 14 is provided with a fifth air inlet 14-1 and a fifth air outlet 14-2.
[0046] The fourth buffer room 23 is provided with a sixth air inlet 23-1 and a sixth air outlet 23-2.
[0047] The cylinder 1 is provided with a sealing plate 7, and the cylinder 1 is divided into a part A and a part B by the sealing plate 7, wherein the piston 6 ...
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