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Automobile refrigerant flow noise testing device and method

A flow noise and testing device technology, applied in measurement devices, vibration measurement in solids, testing of machine/structural components, etc., can solve the problem that the ambient temperature and humidity cannot be simulated

Pending Publication Date: 2021-11-09
SOUTH AIR INT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a vehicle refrigerant flow noise test device and method to solve the problem that the traditional vehicle refrigerant flow noise test does not control the ambient temperature and humidity and cannot simulate the actual situation.

Method used

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  • Automobile refrigerant flow noise testing device and method
  • Automobile refrigerant flow noise testing device and method

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Embodiment Construction

[0025] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0026] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to an automobile refrigerant flowing noise testing device and method, and belongs to the field of automobile air conditioning system noise testing. The device comprises an enthalpy difference performance table, and an acquisition and analysis system, a noise reduction system and a tested air conditioner which are arranged in the enthalpy difference performance table. The enthalpy difference performance table comprises a first evaporation chamber, a second evaporation chamber and a condensation chamber which are arranged in a mutually isolated manner, and a refrigerating / heating system and a controller thereof which are arranged on the outer side of the first evaporation chamber, the second evaporation chamber or the condensation chamber. The controller controls the refrigerating / heating system to provide environment temperature and humidity for the first evaporation chamber, the second evaporation chamber and the condensation chamber, so that environment bottom noise is guaranteed to be small during noise testing, environment temperature and humidity control factors are introduced, and the condition of noise caused by refrigerant flowing in real vehicle running is simulated more truly.

Description

technical field [0001] The invention belongs to the field of noise testing of automobile air-conditioning systems, and relates to an automobile refrigerant flow noise testing device and method. Background technique [0002] The air conditioner is an important part of the car. During the test phase of the refrigerant flow noise of the traditional car air-conditioning system, only the environmental noise floor is guaranteed to be ≤38dB, and there are no clear requirements for the ambient temperature and humidity. [0003] Automobile air conditioners are affected by environmental factors (temperature, humidity, compressor speed) in different seasons and regions during the operation of real road conditions, which will affect the internal refrigerant pressure of the automobile air conditioning system. The current refrigerant flow noise test method does not control the ambient temperature and humidity. , resulting in the non-simulation of the traditional refrigerant flow noise tes...

Claims

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Application Information

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IPC IPC(8): G01M99/00G01H1/14G01H17/00G05D27/00
CPCG01M99/005G01M99/002G01H1/14G01H17/00G05D27/00
Inventor 杨都覃旗开赖川宋长伟袁睿史庆兴关明华李川
Owner SOUTH AIR INT
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