A kind of air flow meter test method
A technology of air flowmeter and testing method, which is applied in the direction of testing/calibration device, liquid/fluid solid measurement, measuring device, etc. It can solve the problems of poor wind speed stability, large detection error, inconvenient use, etc., and achieve high accuracy and general purpose Strong performance and good application prospects
Active Publication Date: 2020-06-23
ANHUI SHENGZHOU AUTO PARTS
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Problems solved by technology
In the prior art, the test method for air flow meter detection has defects such as large detection error, poor wind speed stability, poor versatility, and inconvenient use, which needs to be further optimized and improved
Method used
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Embodiment Construction
[0015] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.
[0016] When the air flow meter test system of the present invention is in use, the standard air flow meter 2 and the air flow meter 8 to be tested are clamped at corresponding positions by adjusting the cylinder 6 to control the movement of the first movable pipeline section 3 and the second movable pipeline section 7, so as to ensure Accurate and stable connection; start the fan, the air enters the test pipeline through the air compressor 11, the first wind speed detector 13 and the second wind speed detector 14 respectively detect the wind speed signals of the inlet section and the outlet section of the test pipeline, and output the signals to the control The controller recognizes the wind speed signal. If the wind speed signal is the same, it starts to collect the output voltage, operating cu...
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The invention discloses a test method of an air flow meter. A first moving pipe segment and a second moving pipe segment are controlled to move by an adjusting air cylinder, and a standard air flow meter and an air flow meter to be tested are clamped to corresponding positions; a blower is started, air is blown into a test pipe through an air compressor, a first wind speed test instrument and a second wind speed test instrument detect the wind speed signals of an inlet segment and an outlet segment of the test pipe respectively, the signals are output to a controller, and the controller recognizes the wind speed signals; if the wind speed signals are identical, data of the output voltage, the working current and the like of the standard air flow meter and the air flow meter to be tested is collected and output to a display for displaying, and comparative analysis is conducted to judge the product performance. The test method of the air flow meter has the advantages that the stability is good, precision is high, operation and adjustment are convenient and fast, the method can be applicable to detection of various air flow meters, the universality is high, and the method has good application prospects.
Description
technical field [0001] The invention belongs to the technical field of detection devices, and more specifically relates to a method for testing an air flow meter. Background technique [0002] The air mass flow meter is a key component in the electronic control system of the automobile engine, and its function is to measure the intake air mass flow of the engine. In the prior art, the test method for air flow meter detection has defects such as large detection error, poor wind speed stability, poor versatility, and inconvenient use, which needs further optimization and improvement. Contents of the invention [0003] The purpose of the present invention is to solve the problems existing in the prior art, and to provide a test method for an air flow meter with high test validity and good versatility. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: the air flow meter testing method provided is characterized in that i...
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IPC IPC(8): G01F25/00
CPCG01F25/00
Inventor 陈文德
Owner ANHUI SHENGZHOU AUTO PARTS