Detection device for intake resistance of small-flow air filer of universal machine

A technology for air intake resistance and testing equipment, which is used in the testing of machine/structural components, testing of mechanical components, instruments, etc. It can solve the problems of insufficient detection accuracy, low data consistency, and small size, and achieve accurate test values. , convenient air source, high consistency effect

CN105241645AActive Publication Date: 2016-01-13HENGBO HLDG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2016-01-13

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Abstract

The invention discloses a detection device for intake resistance of a small-flow air filer of a universal machine. The detection device is characterized by comprising a sealing testing fixture, the sealing testing fixture is internally provided with a fixing device for positioning an air filter to be detected, the air filter to be detected can separate the inner cavity of the whole sealing testing fixture into an air inlet chamber and an exhaust chamber, an air inlet and a side gas outlet are respectively arranged at the two sides above the air inlet chamber, the bottom of the exhaust chamber is provided with an air exhaust opening, the air exhaust opening is connected with a negative pressure air source through a pipeline, and the side gas outlet is connected with a differential pressure gauge through the pipeline and then is connected with the pipeline of the air exhaust opening. The detection device for the intake resistance of the small-flow air filer of the universal machine, provided by the invention, can accurately detect the intake resistance of the small air filter and has the advantages of simple operation and high data consistency.
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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...

Examples

Embodiment Construction

[0018] Such as figure 1 As shown in the figure, a detection device for air intake resistance of a general-purpose small-flow air filter includes a sealing inspection tool 1, and the sealing inspection tool 1 is provided with a fixing device for positioning the air filter 2 to be tested, and the air filter 4 to be tested is The inner cavity of the entire sealing inspection tool 1 can be divided into an air intake chamber 11 and an exhaust chamber 12, wherein the upper sides of the air intake chamber 11 are respectively provided with an air inlet 111 and a side air outlet 112, and the bottom of the exhaust chamber 12 is provided with Next to the exhaust port 121, the exhaust port 121 is connected to the negative pressure air source 5 through a pipeline, and the side air outlet 112 is connected to the pipeline of the exhaust port 121 after being connected to the differential pressure gauge 6 through a pipeline.

[0019] In this embodiment, the entire sealing inspection tool 1 is ...