Dust filtering performance testing method and system of air filter for cab of vehicle on road
A technology for air filters and road vehicles, which is applied in the direction of chemical instruments and methods, separation methods, dispersed particle filtration, etc. It can solve the problems of no air filter dust filtration performance, no testing equipment, etc., and achieve accurate dust filtration performance , scientific detection method, high precision effect
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[0022] The road vehicle-cab air filter dust filtration performance test method of the present invention includes the filter element filtration efficiency test, that is, the dust particle concentration C1 before the test sample is installed and the dust particle after the test sample is installed. The concentration C2 is measured, and the filtration efficiency (E) is calculated according to the formula (C1-C2) / C1*100%, that is, E=(C1-C2) / C1*100%.
[0023] In the filtration efficiency test, the dust particles are divided into six grades according to the geometric diameter x (unit μm), which are 0.3≤x10.0, that is, each grade range corresponds to a standard range of filtration efficiency.
[0024] The invention adopts the graded filtering efficiency test method, which can simulate the actual working conditions more carefully and truly to test the filtering test of the air filter, so as to obtain more accurate and reasonable test results; Select the appropriate grade range for the...
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