Method for testing air volume distribution

A test method and air volume technology, which is applied in the direction of detecting fluid flow by measuring differential pressure, volume/mass flow generated by mechanical effects, etc., can solve the problems of lack of test methods and means, and inability to adapt to vehicle-level test requirements, etc., to achieve test Good results, improved development and verification capabilities, objective and stable results
CN102879043AActive Publication Date: 2013-01-16SAIC GENERAL MOTORS +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SAIC GENERAL MOTORS
Publication Date
2013-01-16

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Abstract

The invention relates to a method for testing air volume distribution. The method comprises the following steps: aiming at an air conditioning cabinet arranged on a whole vehicle to test the air volume distribution, by respectively arranging a first pressure sensor and a second pressure sensor on an air conditioning cabinet housing and in the whole vehicle passenger compartment and connecting the first pressure sensor and the pressure sensor to a pressure collection module of an air volume testing table; connecting the air volume collection module of the air volume testing table to the passenger compartment; then setting a running mode of an air conditioning system, the rotating speed gear and the scanning style of an air blower of the air conditioning cabinet on the whole vehicle; completely opening air inlets to measured or closing one by one, measuring a pressure value in the air conditioning cabinet and an air volume value in the passenger compartment when the detection value of the second pressure sensor is zero to obtain a relation curve between the pressure value and the air volume value; and processing data to obtain an air volume intermediary value, an air volume ratio and / or an air volume distribution actual value of each air inlet to be measured in the running mode and the rotating speed gear when the air inlets to measured are completely opened. The method is simple and stable in test result; and the testing blank of the whole vehicle air conditioning system is filled.
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Description

【Technical field】

[0001] The invention relates to a performance test method of an automobile air-conditioning system, in particular to an air volume distribution test method for performing an air volume distribution test on an air-conditioning box installed on a vehicle. 【Background technique】

[0002] With the progress of the times and the development of science and technology, modern automobile technology is also changing with each passing day. It not only affects the maximum cooling capacity of the automobile air conditioning system (the total air volume of the air conditioning box is directly related to it), but also the comfort of the air conditioning system (that is, in various The uniformity of air volume distribution should be maintained in the operating mode) have put forward higher requirements. However, for the air volume test of the automobile air-conditioning system, there is a lack of corresponding effective test methods and means in the prior art.

[0003] Fo...

Claims

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