Testing equipment for air intake resistance of general machine small flow air filter

Abstract

A detection device for air intake resistance of a general-purpose small-flow air filter, which is characterized in that it includes a sealing inspection tool, and a fixing device for positioning the air filter to be tested is arranged in the sealing inspection tool, and the entire air filter to be tested can be The inner cavity of the sealed inspection tool is divided into an air intake chamber and an exhaust chamber, wherein the upper sides of the air intake chamber are respectively provided with an air inlet and a side outlet, and the bottom of the exhaust chamber is provided with an exhaust port, and the exhaust port The negative pressure air source is connected through the pipeline, and the side air outlet is connected with the pipeline of the exhaust port after being connected with the differential pressure gauge through the pipeline. The detection device for the air intake resistance of the small-flow air filter of the general machine designed by the invention can accurately measure the air intake resistance of the small air filter, and has the characteristics of simple operation and high data consistency.

Description

technical field [0001] The invention relates to a detection device for the air intake resistance of an air filter, in particular to a detection device for the air intake resistance of a general-purpose machine with a small flow rate. Background technique [0002] The air intake resistance of the air filter has a great impact on engine performance and fuel consumption. If the intake resistance is too large, the intake air volume will be reduced, and the engine will not get enough air for complete combustion. The mixture will become richer and the fuel consumption will decrease. As a result, the fuel economy will deteriorate, the exhaust smoke will be too large, and the power will be reduced. [0003] The intake resistance of an air filter depends on many variables, including the shape of the piping, the smoothness of the conduit, the type of flexible joint, the size of the tube, the construction of the intake cap, the type of elbow, etc. When a product is manufactured, its i...

AI Technical Summary

Problems solved by technology

[0004] But at present, only the motorcycle or automobile industry has special air filter air intake resistance testing equipment, and these equipment are very large, while the air filter in the general machine industry has various structures and relatively small sizes , the air flow is relatively small (0-48m 3 / h), it is a bit overkill to directly use these large-scale testing equipment, and the most important point is that for general-purpose machine air filters with small flow rates, the detection accuracy of large-scale testing equipment is not high enough, and the data consistency is not high, which cannot meet the requirements of actual testing. need

Images