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Variable-temperature test system and test method for VOC (volatile organic compound) diffusion performance of automobile parts

A technology of auto parts and testing system, which is applied in the field of chemical testing, can solve the problems of reducing volatile organic compounds of automotive interior materials, unable to understand the relationship between the emission performance of parts and temperature, and shorten the test time and the relationship between temperature and temperature Reasonable, avoiding the effects of differences

Inactive Publication Date: 2015-12-23
JIANKE BOHUA BEIJING INTERIOR ENVIRONMENT ENG TECH RES
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Problems solved by technology

Since the temperature of these methods is fixed, it is impossible to understand the relationship between the component emission performance and temperature
The published related patents mainly focus on related technical improvements in the test environment chamber, such as: a placement rack for VOC testing of auto parts (application number: CN201420441548.5), or the preparation method of low-emission parts materials, such as reducing The method of volatile organic compounds in automotive interior materials (application number: CN201510076924.4), there is no patent for effective invention of the test method, especially the test method of the influence of temperature on the emission performance, and the technology in this area needs to be improved

Method used

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  • Variable-temperature test system and test method for VOC (volatile organic compound) diffusion performance of automobile parts

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Embodiment Construction

[0022] The working principle and specific structure of the present invention will be further described below in conjunction with the accompanying drawings.

[0023] The specific steps are:

[0024] Step 1: One day before the test, the experimenters need to wipe the bulkhead of the stainless steel environmental chamber 1 once with methanol, and then wipe it twice with deionized water. After wiping, heat the environmental chamber 1 at 100 degrees for at least 12 hours to remove the residue in the chamber VOC impact.

[0025] Step 2: Adjust the test conditions of the environmental chamber 1 2 hours before the test, and keep the environmental chamber 1 at the first test temperature point of 20±1 degrees, 50±5%, and the maximum ventilation state.

[0026] Step 3: Collect the gas in the environmental chamber 1 one hour before the test, and test the background concentration of the environmental chamber 1. It is required that the TVOC in the background concentration is less than 50 μ...

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Abstract

The invention provides a variable-temperature test system and test method for VOC (volatile organic compound) diffusion performance of automobile parts and materials. According to the method, a one-cubic-meter environmental chamber is adopted for closed state test, a temperature influence result can be obtained through one-time test by continuously varying test temperature of the same test sample, and the VOC diffusion performance of a material at different temperatures can be represented very well. In order to cooperate with the closed variable-temperature dynamic test process, a traditional environmental chamber test system is improved and innovated, and a material surface temperature test technology, a closed chamber sampling and air supplementing system and the like are added.

Description

technical field [0001] The invention relates to a temperature-variable test system and a test method for the pollution emission performance of auto parts, belonging to the field of chemical tests. Background technique [0002] There are many sources of air pollution in the car, the most important of which comes from various parts and materials in the car. Therefore, for car companies, how to measure and reasonably analyze the pollution emission of these parts so that the obtained data can be It is the key to control the air pollution in the car to reflect the various emission properties of the components, so as to guide the design of the car. Cars have to experience various temperature environments during use. Since the ability of car parts to emit pollution has a strong relationship with temperature, in order to understand the air quality of cars at different temperatures, it is necessary to know the pollution of these parts The specific relationship between emission perfo...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/00G01K7/04
Inventor 高鹏高凯吴蒙特木尔
Owner JIANKE BOHUA BEIJING INTERIOR ENVIRONMENT ENG TECH RES
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