System for automatically detecting airtightness of windows and doors of building and control method
An automatic detection, building door and window technology, applied in the use of liquid/vacuum for liquid tightness measurement, by detecting the appearance of fluid at the leak point, by measuring the fluid's rate of increase and deceleration, etc. It is difficult to ensure the accuracy, uneven distribution of wind speed, etc., to achieve the effect of good social practical value, reduce human intervention, and achieve automation
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[0028] Examples:
[0029] Such as figure 1 As shown, the door and window air tightness detection system mainly includes a sealing film 1, a wind pipe 2, an upper static pressure box 3, a high efficiency filter element 4, a medium static pressure box 5, a coarse efficiency filter element 6, a lower static pressure box 7, Fan static pressure box 8, high pressure fan 9, filter element pressure difference transmitter 10, window pressure difference transmitter 11, and editable controller 12. The fan static pressure box is equipped with a high-pressure fan, the air inlet of the fan static pressure box is communicated with the atmosphere, and the air outlet is connected with the lower static pressure box by flange; the coarse-efficiency filter element 6 is installed in the middle static pressure box and Between the lower static pressure box; the high-efficiency filter element 4 is installed between the upper static pressure box 3 and the middle static pressure box 5, the static pressure...
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