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On-line detection method of toxic gas formaldehyde in imported and exported car floor mats

A technology of toxic gas and car floor mats, applied in measuring devices, material analysis through electromagnetic means, instruments, etc., can solve problems such as unreasonable production process and hidden dangers to consumers' health, and achieve easy replacement, high detection sensitivity, and improved The effect of detection speed

Active Publication Date: 2018-11-13
周庆芬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The wide use of private cars has diversified the products of car floor mats. However, the quality of some car floor mats does not meet the standards for use. Consumer use will undoubtedly bring hidden dangers to consumers' health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The process of the online detection method of the toxic gas formaldehyde in the import and export of automobile floor mats. These include:

[0027] Step 1. Preparation of gas sensor: Indium and tin metal organic compounds are used as raw materials to prepare In 4 sn 3 o 12 material, the In 4 sn 3 o 12 The material is applied to the substrate by flame jet pyrolysis to form a gas-sensitive layer of the gas-sensitive sensor, and a non-metallic protective layer is arranged on the gas-sensitive layer, and the non-metallic protective layer is located above the gas-sensitive layer , combining the gas sensitive layer and the non-metallic protective layer as components of the gas sensor for assembly and processing to form a gas sensor, wherein the panel of the non-metallic protective layer is provided with a plurality of gas inlets arranged in an array holes, through which the gas to be detected enters the gas-sensitive layer, wherein the thickness ratio of the gas-sensiti...

Embodiment 2

[0031] The process of the online detection method of the toxic gas formaldehyde in the import and export of automobile floor mats. These include:

[0032] Step 1. Preparation of gas sensor: Indium and tin metal organic compounds are used as raw materials to prepare In 4 sn 3 o 12 material, the In 4 sn 3 o 12 The material is applied to the substrate by flame jet pyrolysis to form a gas-sensitive layer of the gas-sensitive sensor, and a non-metallic protective layer is arranged on the gas-sensitive layer, and the non-metallic protective layer is located above the gas-sensitive layer , combining the gas sensitive layer and the non-metallic protective layer as components of the gas sensor for assembly and processing to form a gas sensor, wherein the panel of the non-metallic protective layer is provided with a plurality of gas inlets arranged in an array The gas to be detected enters the gas-sensitive layer through the gas inlet hole, wherein the thickness ratio of the gas-s...

Embodiment 3

[0036] The process of the online detection method of the toxic gas formaldehyde in the import and export of automobile floor mats. These include:

[0037] Step 1. Preparation of gas sensor: Indium and tin metal organic compounds are used as raw materials to prepare In 4 sn 3 o 12 material, the In 4 sn 3 o 12 The material is applied to the substrate by flame jet pyrolysis to form a gas-sensitive layer of the gas-sensitive sensor, and a non-metallic protective layer is arranged on the gas-sensitive layer, and the non-metallic protective layer is located above the gas-sensitive layer , combining the gas sensitive layer and the non-metallic protective layer as components of the gas sensor for assembly and processing to form a gas sensor, wherein the panel of the non-metallic protective layer is provided with a plurality of gas inlets arranged in an array hole, through which the gas to be detected enters the gas-sensitive layer through the gas inlet hole, wherein the thicknes...

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PUM

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Abstract

The invention discloses an online detection method for poisonous gas methyl aldehyde in import and export car foot mats. The online detection method comprises the steps that a gas sensitive sensor is prepared, wherein an In4Sn3O12 material is prepared from an indium and tin metal organic compound as a raw material and is applied to a base material to from a gas sensitive layer, a nonmetal protection layer is arranged on the gas sensitive layer, and the gas sensitive layer and the nonmetal protection layer are combined to be assembled to form the gas sensitive sensor; the gas sensitive senor is connected with an electrical property detection device and a data processing system to form a gas detection system; the gas sensitive layer makes contact with poisonous gas methyl aldehyde to react, the electrical property of the gas sensitive senor changes, the electrical property detection device detects electrical property change data of the gas sensitive sensor, the electrical property change data is transmitted to the data processing system, and the data processing system analyzes and processes the electrical property change data and outputs the content of poisonous gas methyl aldehyde. The method has the advantages of being high in detection sensitivity and high in detection speed.

Description

technical field [0001] The invention relates to the technical field of quality detection of imported and exported products. More specifically, the present invention relates to an on-line detection method for the toxic gas formaldehyde in the import and export car floor mats used in the on-line transportation customs clearance process. Background technique [0002] With the gradual acceleration of the diversification and generalization of online commodity sales, there are more and more types of import and export commodities, and the frequency of import and export is also increasing. However, in order to protect the rights and interests of consumers, the requirements for product quality testing are also increasing. It is getting higher and higher, not only requires fast detection sensitivity, but also fast detection speed to match the fast import and export sales. [0003] The wide use of private cars has diversified the products of car floor mats. However, the quality of som...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/00
CPCG01N27/00
Inventor 于田荣于田观于伟明
Owner 周庆芬
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