Air supply uniformity regulating system for lower static-pressure type air duct
A technology to adjust the system and uniformity, which is applied in the field of urban rail vehicle air duct system, can solve the problems of small air supply and difficulty in achieving the ideal effect of air supply uniformity, and achieve the effect of easy adjustment
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[0018] A lower static pressure air duct air supply uniformity adjustment system, such as figure 1 and 2 As shown, by arranging the perforated baffle 1 at the front of the lower static pressure box, part of the airflow that diffuses forward against the static pressure hole can be blocked to form a downward air outlet. In addition, the perforated baffle 1 A large round hole is opened, and the perforated baffle 1 is U-shaped as a whole. The opening of the perforated baffle 1 faces the direction of the air intake, which can ensure that the air flow can move forward while blocking part of the airflow, and will not go back. A vortex is formed, which effectively increases the wind speed at the front of the air duct; image 3 and 4 As shown, a perforated plate 2 is arranged in the middle of the main air duct, and multiple rows of round holes are opened on the perforated plate 2 . The perforated plate 2 is U-shaped as a whole, and the opening of the perforated plate 2 faces the air ...
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