阅读说明：本技术 人造板制品甲醛释放量快速测试装置及方法 (Device and method for rapidly testing formaldehyde emission of artificial board product ) 是由 *** 李晓增 陈立伟 刘春生 肖智仁 林锐航 陈志� 潘永红 邹华杰 候向昶 于 2019-08-22 设计创作，主要内容包括：本发明公开了一种人造板制品甲醛释放量快速测试装置及其方法。该人造板制品甲醛释放量快速测试装置包括实验舱、温度控制单元、湿度控制单元以及电子鼻；所述实验舱包括测试腔以及连通所述测试腔的进样口及采样口；所述温度控制单元以及所述湿度控制单元均设在所述测试腔内以用于分别控制所述测试腔内的温度和湿度,所述电子鼻位于所述实验舱的外部且与所述采样口连通,所述电子鼻用于采集获得待测人造板制品的气味图谱。人造板制品甲醛释放量快速测试装置测试结果准确、测试简单且对设备要求低。本发明的人造板制品甲醛释放量快速测试方法相比传统的气候箱法,能够达到测试结果准确、测试简单且对设备要求低,测试成本低的目的。(The invention discloses a device and a method for quickly testing formaldehyde emission of an artificial board product. The device for rapidly testing the formaldehyde emission of the artificial board product comprises an experiment cabin, a temperature control unit, a humidity control unit and an electronic nose; the experiment cabin comprises a test cavity, a sample inlet and a sampling port, wherein the sample inlet and the sampling port are communicated with the test cavity; the temperature control unit and the humidity control unit are all established in order to be used for controlling respectively in the test cavity temperature and humidity in the test cavity, the electron nose is located the outside of experiment cabin and with the sampling mouth intercommunication, the electron nose is used for gathering the smell map that obtains the wood-based plate goods that await measuring. The device for rapidly testing the formaldehyde emission of the artificial board product has accurate test result, simple test and low requirement on equipment. Compared with the traditional climatic chamber method, the method for rapidly testing the formaldehyde emission of the artificial board product can achieve the aims of accurate test result, simple test, low requirement on equipment and low test cost.)

1. A quick test device for formaldehyde emission of artificial board products is characterized by comprising an experiment cabin, a temperature control unit, a humidity control unit and an electronic nose; the experiment cabin comprises a test cavity, a sample inlet and a sampling port, wherein the sample inlet and the sampling port are communicated with the test cavity; the temperature control unit and the humidity control unit are all established in order to be used for controlling respectively in the test cavity temperature and humidity in the test cavity, the electron nose is located the outside of experiment cabin and with the sampling mouth intercommunication, the electron nose is used for gathering the smell map that obtains the wood-based plate goods that await measuring.

2. The artificial board product formaldehyde emission amount rapid test device according to claim 1, wherein the temperature control unit is an air conditioner.

3. The artificial board product formaldehyde emission amount rapid test device according to claim 1, wherein the humidity control unit is a humidifier.

4. The device for rapidly testing the formaldehyde emission of the artificial board product according to any one of claims 1 to 3, wherein the inner wall of the test chamber is made of a metal material.

5. The device for rapidly testing formaldehyde emission of artificial board products according to claim 4, wherein the inner wall of the test chamber is made of stainless steel material.

6. A method for rapidly testing the formaldehyde emission of an artificial board product by using the device for rapidly testing the formaldehyde emission of the artificial board product according to any one of claims 1 to 5, which is characterized by comprising the following steps:

measuring artificial board products with different sizes by a climatic chamber method to obtain the formaldehyde emission of the artificial board products with different sizes, and recording the formaldehyde emission data of each artificial board product;

taking artificial board products with the same size, placing the artificial board products in a ventilation environment with the temperature of 20-25 ℃ and the relative humidity of 45-55% for at least 120h, then respectively placing the artificial board products in an experiment cabin for at least 12h, wherein the temperature in the experiment cabin is 20-25 ℃ and the relative humidity is 45-55%, obtaining samples from a sampling port of the experiment cabin through an electronic nose, and respectively collecting and obtaining odor maps of the artificial board products with different sizes;

establishing a function model between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size;

and placing the artificial board product to be tested in the experimental cabin, collecting the odor spectrum of the artificial board product, and obtaining the formaldehyde emission of the artificial board product corresponding to the function model.

7. The method for rapidly testing the formaldehyde emission of the artificial board product according to claim 6, wherein a function model is established between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size by a partial least squares method.

8. The method for rapidly testing formaldehyde emission of artificial board products according to claim 6, wherein the sampling flow rate of the electronic nose is 300-500ml/min, and the sampling time is 40-80 s.

9. The method for rapidly testing the formaldehyde emission of the artificial board product according to claim 8, wherein the sampling flow rate of the electronic nose is 400ml/min, and the sampling time is 60 s.

10. The method for rapidly testing formaldehyde emission of the artificial board product according to any one of claims 6 to 9, wherein the temperature of the ventilated environment is 23 ℃ and the relative humidity is 50%, and the temperature in the experimental chamber is 23 ℃ and the relative humidity is 50%.

Technical Field

The invention relates to the field of detection, in particular to a device and a method for quickly testing formaldehyde emission of an artificial board product.

Background

At present, the formaldehyde emission of the artificial board products is mainly measured by a climatic box method, a perforated extraction method and a dryer method. The climate box method is close to the actual use condition, and gradually becomes the most main test method, the pretreatment and test time of the climate box method is long, the equipment requirement is high, and the data is easy to deviate.

Disclosure of Invention

Therefore, a device and a method for rapidly testing the formaldehyde emission of the artificial board product are needed, wherein the device and the method have the advantages of accurate test result, simple test and low requirement on equipment.

A device for rapidly testing formaldehyde emission of an artificial board product comprises an experiment cabin, a temperature control unit, a humidity control unit and an electronic nose; the experiment cabin comprises a test cavity, a sample inlet and a sampling port, wherein the sample inlet and the sampling port are communicated with the test cavity; the temperature control unit and the humidity control unit are all established in order to be used for controlling respectively in the test cavity temperature and humidity in the test cavity, the electron nose is located the outside of experiment cabin and with the sampling mouth intercommunication, the electron nose is used for gathering the smell map that obtains the wood-based plate goods that await measuring.

In one embodiment, the temperature control unit is an air conditioner.

In one embodiment, the humidity control unit is a humidifier.

In one embodiment, the inner wall of the test chamber is made of a metal material.

In one embodiment, the inner wall of the test chamber is made of stainless steel.

A method for rapidly testing the formaldehyde emission of an artificial board product by using the device for rapidly testing the formaldehyde emission of the artificial board product comprises the following steps:

measuring artificial board products with different sizes by a climatic chamber method to obtain the formaldehyde emission of the artificial board products with different sizes, and recording the formaldehyde emission data of each artificial board product;

taking artificial board products with the same size, placing the artificial board products in a ventilation environment with the temperature of 20-25 ℃ and the relative humidity of 45-55% for at least 120h, then respectively placing the artificial board products in an experiment cabin for at least 12h, wherein the temperature in the experiment cabin is 20-25 ℃ and the relative humidity is 45-55%, obtaining samples from a sampling port of the experiment cabin through an electronic nose, and respectively collecting and obtaining odor maps of the artificial board products with different sizes;

establishing a function model between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size;

and placing the artificial board product to be tested in the experimental cabin, collecting the odor spectrum of the artificial board product, and obtaining the formaldehyde emission of the artificial board product corresponding to the function model.

In one embodiment, a function model is established between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size by a partial least square method.

In one embodiment, the sampling flow rate of the electronic nose is 300-500ml/min, and the sampling time is 40-80 s.

In one embodiment, the sampling flow rate of the electronic nose is 400ml/min, and the sampling time is 60 s.

In one embodiment, the temperature of the ventilated environment is 23 ℃ and the relative humidity is 50%, and the temperature in the laboratory chamber is 23 ℃ and the relative humidity is 50%.

The quick testing device for formaldehyde emission of the artificial board product has the advantages of accurate testing result, simple testing, low requirement on equipment and low testing cost.

According to the artificial board product formaldehyde emission amount rapid testing device, the inner wall of the testing cavity is made of the metal material, so that the purposes of low adsorption and no release of odor molecules, volatile organic compounds, aldehyde ketone substances, particulate matters and the like can be achieved, and the testing accuracy is improved.

Compared with the traditional climatic chamber method, the method for rapidly testing the formaldehyde emission of the artificial board product can achieve the aims of accurate test result, simple test, low requirement on equipment and low test cost.

Drawings

Fig. 1 is a schematic view of a device for rapidly testing formaldehyde emission of an artificial board product according to an embodiment.

Description of the reference numerals

10: a device for rapidly testing the formaldehyde emission of the artificial board product; 100: an experiment cabin; 200: a temperature control unit; 300: a humidity control unit; 400: an electronic nose.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an embodiment of the present invention provides a device 10 for rapidly testing formaldehyde emission from an artificial board product, which includes an experimental chamber 100, a temperature control unit 200, a humidity control unit 300, and an electronic nose 400.

The test chamber 100 may be in the shape of a rectangular parallelepiped, it being understood that in other embodiments the structure and shape of the test chamber 100 is not limited to the above, but the structure and shape of the test chamber 100 may also be cylindrical, square tubular, etc.

The experimental chamber 100 comprises a test cavity, and a sample inlet and a sampling port which are communicated with the test cavity. And a cabin door is arranged at the sample inlet and used for closing or opening the sample inlet, and the sample inlet is used for placing the artificial board product to be tested into the test cavity or taking the artificial board product out of the test cavity.

The temperature control unit 200 and the humidity control unit 300 are both arranged in the test chamber to respectively control the temperature and the humidity in the test chamber.

The electronic nose 400 is located outside the experiment chamber 100 and is communicated with the sampling port, and the electronic nose 400 is used for collecting and obtaining the odor spectrum of the artificial board product to be tested. The electronic nose 400 may be a commercially available electronic nose 400.

Further, the temperature control unit 200 is an air conditioner.

Further, the humidity control unit 300 is a humidifier. The humidifier may be a commercially available humidifier.

Further, the inner wall of the test cavity is made of a metal material. According to the artificial board product formaldehyde emission amount rapid testing device 10, the inner wall of the testing cavity is made of the metal material, so that the purposes of low adsorption and no release of odor molecules, volatile organic compounds, aldehyde ketone substances, particulate matters and the like can be achieved, and the testing accuracy is improved.

Preferably, the inner wall of the test chamber is made of stainless steel material. The stainless steel material basically cannot release volatile organic compounds, aldehyde ketone substances and particles, and cannot adsorb odor molecules, volatile organic compounds, aldehyde ketone substances, particles and the like, and the test chamber 100 prepared from the material can improve the test accuracy.

The artificial board product formaldehyde emission quick test device 10 has accurate test result, simple test, low requirement on equipment and low test cost, and compared with the traditional climate box method, the artificial board product formaldehyde emission quick test device 10 can achieve the same accuracy as the prior art, reduce the test time and reduce the equipment requirement.

The embodiment also provides a method for rapidly testing the formaldehyde emission of the artificial board product by using the device 10 for rapidly testing the formaldehyde emission of the artificial board product. The method for rapidly testing the formaldehyde emission of the artificial board product comprises the following steps:

and measuring artificial board products with different sizes by a climatic chamber method to obtain the formaldehyde emission of the artificial board products with different sizes, and recording the formaldehyde emission data of each artificial board product.

Artificial board products with the same size are manually taken and placed in a ventilation environment with the temperature of 20-25 ℃ and the relative humidity of 45-55% for at least 120h, and then are respectively placed in an experiment chamber 100 for at least 12h, the temperature in the experiment chamber 100 is 20-25 ℃, and the relative humidity is 45-55%. The electronic nose 400 is used for obtaining samples from the sampling port of the experiment chamber 100 and respectively collecting and obtaining odor maps of artificial board products with different sizes, wherein the sampling flow of the electronic nose 400 is 500ml/min, and the sampling time is 40-80 s.

And establishing a function model between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size.

And placing the artificial board product to be tested in the experiment chamber 100, collecting the odor spectrum of the artificial board product, and obtaining the formaldehyde emission of the artificial board product corresponding to the function model. And establishing a function model between the formaldehyde emission data of the artificial board product and the odor spectrum of the artificial board product with the corresponding size by a partial least square method.