voc vehicle environment sampling cabin and its test method
A test method and sampling cabin technology, which are applied to the VOC vehicle environment sampling cabin and its testing field, can solve the problems of large volume of the sampling cabin, interference, and inability to distribute the environmental parameters of the sampling cabin evenly, and achieve small volume and uniform temperature and humidity distribution. , the effect of easy control of temperature and humidity
Active Publication Date: 2021-12-10
通标标准技术服务有限公司
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Problems solved by technology
The determination of VOC content in automobiles needs to be carried out in the VOC sampling cabin, but the current sampling cabin is greatly disturbed by the environment, and due to the large volume of the sampling cabin, the environmental parameters in the sampling cabin are often not evenly distributed
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[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0027] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.
[0028] In a technical solution, such as figure 1 , 2 As shown, the VOC vehicle environmental sampling cabin includes:
[0029] The cabin body 1 has a car entrance on one side;
[0030] The buffer room 2 has a first opening and a second opening respectively formed on its opposite sides, the first opening communicates with the vehicle entrance, and three groups of air nozzles 21 are arranged at intervals in the buffer room 2, each group of air nozzles 21 are all circularly distributed around the inner wall of the buffer room 2 and are located on the same plane. The first group o...
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The invention discloses a VOC vehicle environment sampling cabin, comprising: a cabin body, a vehicle entrance is opened on one side; a buffer room, a first opening and a second opening are respectively formed on opposite sides, and the first opening communicates with the vehicle entrance , there are three groups of air nozzles arranged at intervals in the buffer room; the guide rail, whose starting point is located at the second opening, and extends from the vehicle entrance to the interior of the cabin; The vehicle to be tested can move from the guide rail to the surface of the lifting platform. There is an annular groove near the edge of the lifting platform; the car cover has a funnel-shaped structure with a small upper part and a larger lower part. The contour is matched with the annular groove, and the side wall of the car cover is provided with an air inlet, an air outlet, a humidification port and a temperature control port. The invention also discloses a testing method. The invention is not easily affected by the external environment, the environmental parameters are easy to control, and the accuracy of the sample data is high.
Description
technical field [0001] The invention relates to the field of environmental detection. More specifically, the present invention relates to a VOC vehicle environment sampling cabin and a testing method thereof. Background technique [0002] VOC is the abbreviation of volatile organic compounds, especially organic substances that are easy to cause harm to humans, such as toluene, ethylbenzene, styrene, formaldehyde, ethanol, etc. The penetration rate of automobiles is getting higher and higher, and excessive VOC in automobiles will seriously affect people's health and life. The determination of VOC content in automobiles needs to be carried out in the VOC sampling cabin, but the current sampling cabin is greatly disturbed by the environment, and due to the large volume of the sampling cabin, the environmental parameters in the sampling cabin are often not evenly distributed. Therefore, there is an urgent need to design a VOC vehicle environmental sampling cabin that can overc...
Claims
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IPC IPC(8): G01N33/00
CPCG01N33/0047G01N33/0073
Inventor 顾昕杨晓芳单锋
Owner 通标标准技术服务有限公司