CN110806462A - Formaldehyde detection device and formaldehyde detection method - Google Patents
Formaldehyde detection device and formaldehyde detection method Download PDFInfo
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- CN110806462A CN110806462A CN201910946181.XA CN201910946181A CN110806462A CN 110806462 A CN110806462 A CN 110806462A CN 201910946181 A CN201910946181 A CN 201910946181A CN 110806462 A CN110806462 A CN 110806462A
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- sample
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- sample storage
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- support columns
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure, temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
- G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
Abstract
The invention provides a formaldehyde detection device which is used for detecting the formaldehyde content of a sample and comprises a box body, a door body and a sample storage device, wherein a cavity is formed in the box body, the door body is arranged on the door body and used for opening or closing the cavity, the sample storage device comprises at least two sample storage chambers, at least three sample support columns are arranged in each sample storage chamber, and at least one sample support column can be movably arranged. The formaldehyde detection device can simultaneously test the formaldehyde release amount of various samples, and can also set the formaldehyde release speed of the same sample under different working conditions; by providing at least three sample support columns, the sample can be supported so that each face can be contacted with air to release formaldehyde sufficiently.
Description
Technical Field
The invention relates to a formaldehyde detection device and a formaldehyde detection method.
Background
Along with the improvement of the living standard of people, the requirements of people on clothes, eating and housing are also increasingly improved, and more attention is paid to formaldehyde which influences the life health of people.
The test box for formaldehyde detection on the market has the following defects: only one set of samples can be tested at a time; the formaldehyde on one surface of the sample can not be released or can not be released sufficiently, so that the detection error is caused, the sample is generally detected in a closed environment, and the actual release condition of the formaldehyde of the product in the actual use is not met; the time interval of each detection is long, and manual recording is needed.
In view of the above, it is necessary to improve the conventional formaldehyde detecting apparatus and formaldehyde detecting method to solve the above problems.
Disclosure of Invention
The invention aims to provide a formaldehyde detection device and a formaldehyde detection method, and aims to solve the problems of small sample detection quantity, inaccurate detection and the like of the existing formaldehyde detection device.
In order to achieve the above purpose, the invention provides a formaldehyde detection device for detecting the formaldehyde content of a sample, the formaldehyde detection device comprises a box body, a door body and a sample storage device, wherein a cavity is formed in the box body, the door body is arranged on the door body and used for opening or closing the cavity, the sample storage device comprises at least two sample storage chambers, at least three sample support columns are arranged in each sample storage chamber, and at least one sample support column is movably arranged.
As a further improvement of the present invention, the number of the sample support columns is three, and the sample support columns include two fixed support columns and one movable support column, a slide rail for the movable support columns to move is arranged in the sample storage chamber, and the slide rail is perpendicular to a connecting line between the two sample support columns.
As a further improvement of the invention, the sample support column comprises a column and a support disc at the top end of the column.
As a further improvement of the invention, each sample storage chamber is internally provided with a temperature sensor, a humidity sensor and a formaldehyde detector.
As a further improvement of the invention, each sample storage chamber is provided with an air inlet and an air outlet, and the air outlet is communicated with the chamber.
As a further improvement of the invention, the formaldehyde detection device also comprises a gas injection device, a humidifying device and a temperature control device, wherein the gas injection device is communicated with the gas inlet so as to inject gas into the sample storage chamber, and the humidifying device and the temperature control device are easy to control the temperature and the humidity of the injected air.
As a further improvement of the invention, a glass panel is arranged on the box body.
As a further improvement of the invention, the box body is provided with an operation key and a display panel.
The invention also provides a formaldehyde detection method, and the formaldehyde detection device carries out detection, and comprises the following steps:
s1: placing each sample in a sample storage chamber of the sample storage device;
s2: supporting the sample using three sample support posts;
s3: placing said sample storage device in said chamber with a gas injection means in communication with each of said gas inlets;
s4: the humidifying device and the temperature control device control the temperature and the humidity, the gas injection device is controlled to inject gas into the sample storage chamber, and the formaldehyde detector performs real-time formaldehyde detection.
The invention has the beneficial effects that: the formaldehyde detection device can simultaneously test the formaldehyde release amount of various samples, and can also set the formaldehyde release speed of the same sample under different working conditions; by providing at least three sample support columns, the sample can be supported such that each face can be contacted with air to release formaldehyde sufficiently; the real working condition can be simulated by arranging the gas injection device, the humidifying device and the temperature control device; through setting up formaldehyde detector and display panel to can show the result of detection in real time, convenience of customers carries out the analysis.
Drawings
FIG. 1 is a schematic view of the structure of a formaldehyde detecting apparatus according to the present invention;
FIG. 2 is a schematic view showing the structure of a sample storage unit in the formaldehyde detecting apparatus according to the present invention;
fig. 3 is a schematic top view of the sample storage of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the formaldehyde detecting device of the present invention is used for detecting formaldehyde content of a sample, and the formaldehyde detecting device includes a box 1, a door 2, a sample storage device 6, a gas injection device, a humidification device, a temperature control device, a glass panel 3 disposed on the box 1, an operation button 4 disposed on the box 1, and a display panel 5.
The refrigerator body 1 is provided with a chamber, the door body 2 is arranged on the door body 2 and used for opening or closing the chamber, and the state in the chamber can be observed through the glass panel 3. The display panel 5 is used for displaying the detected values, and the operation keys 4 are used for controlling the working state of the gas injection device.
The sample storage device 6 includes at least two sample storage chambers 61, a slide rail 62 disposed in each sample storage chamber 61, at least three sample support columns 65 disposed in each sample storage chamber 61, a temperature sensor, a humidity sensor, and a formaldehyde detector disposed in each sample storage chamber 61, and an air inlet 63 and an air outlet 64 disposed on each sample storage chamber 61.
The at least three sample support columns 65 include at least one sample support column 65 movably disposed. In this embodiment, the number of the sample supporting columns 65 is three, and the sample supporting columns include two fixed supporting columns 67 and one movable supporting column 66, a sliding rail 62 for the movable supporting column 66 to move is arranged in the sample storage chamber, and the sliding rail 62 is perpendicular to a connecting line of the two sample supporting columns 65. In this way, the position of the movable supporting column 66 can be adjusted according to different sizes of samples, so that the three sample supporting columns 65 form triangles with different area sizes to support the samples.
The sample support column 65 includes a column 68 and a support plate 69 at the top end of the column 68. The support plate 69 has an area to provide better support for the sample and prevent the sample from falling.
In this embodiment, set up sample support column 65 is right the sample supports to can let each face of sample all can carry out abundant contact with the air, thereby avoid current detection device's sample to have one side can't release the problem that the measurement is inaccurate that leads to of formaldehyde.
The exhaust port 64 communicates with the chamber. The gas injection means communicates with the gas inlet 63 to inject gas into the sample storage chamber 61. The humidifying device and the temperature control device are easy to control the temperature and the humidity of the injected air. In this embodiment, the gas injection device is connected to the gas inlet 63 through a plurality of gas inlet pipes, and the number of the gas inlet pipes corresponds to the number of the sample storage chambers.
An insulating layer is arranged between any two sample storage chambers 61. In this embodiment, through setting up the gas injection device to the control is different temperature and humidity in the sample storage chamber 61 to the condition of the formaldehyde release of sample under the different operating modes can be simulated.
Since the gas inlet 63 injects gas into the sample storage chamber 61, a plane is formed by providing three sample support columns 65 in this embodiment, so that a sample can be better supported. By providing the support plate 69 at the top end of the main body, the support effect is further improved, and the sample is prevented from being blown off by air.
In this embodiment, the operation keys 4 are provided to control the humidity, temperature and flow rate of air in each sample storage chamber 61, and the display panel 5 is provided to display the concentration of formaldehyde in each sample storage chamber 61 and also to display a curve of the concentration of formaldehyde over a period of time.
A formaldehyde detection method utilizes the formaldehyde detection device, and comprises the following steps:
s1: placing the respective samples in the sample storage chambers 61 of the sample storage device 6;
s2: three sample support columns 65 are used to support the samples; the movable supporting column 66 can be moved according to the area of the sample and adjusted to a position suitable for the sample;
s3: placing said sample holding means 6 in said chamber with gas injection means in communication with each of said gas inlets 63;
s4: the humidifying device and the temperature control device control the temperature and the humidity, the gas injection device is controlled to inject gas into the sample storage chamber 61, and the formaldehyde detector performs real-time formaldehyde detection.
The formaldehyde detection device can simultaneously test the formaldehyde release amount of various samples, and can also set the formaldehyde release speed of the same sample under different working conditions; by providing at least three sample support columns 65, the sample can be supported such that each face can be contacted with air to release formaldehyde sufficiently; the real working condition can be simulated by arranging the gas injection device, the humidifying device and the temperature control device; through setting up formaldehyde detector and display panel 5 to can show the result of detection in real time, convenience of customers carries out the analysis. The formaldehyde detection method provided by the invention has the advantages that the detected data are accurate, real and convenient, the formaldehyde detection device and the formaldehyde detection method provided by the invention can be used for measuring the formaldehyde emission of a sample under the real condition, and also can be used for measuring the formaldehyde emission of a plurality of samples simultaneously, so that the detection is accurate and the use is convenient.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a formaldehyde detection device for detect the formaldehyde content of sample, its characterized in that: the formaldehyde detection device comprises a box body, a door body and a sample storage device, wherein a cavity is formed in the box body, the door body is arranged on the door body and used for being opened or closed, the sample storage device comprises at least two sample storage chambers, each sample storage chamber is internally provided with at least three sample support columns, and at least one sample support column is movably arranged.
2. The formaldehyde detecting device according to claim 1, wherein: the number of the sample support columns is three, the sample support columns comprise two fixed support columns and a movable support column, a slide rail for the movable support columns to move is arranged in the sample storage chamber, and the slide rail is perpendicular to a connecting line between the two sample support columns.
3. The formaldehyde detecting device according to claim 1, wherein: the sample support column comprises a column body and a support disc positioned at the top end of the column body.
4. The formaldehyde detecting device according to claim 1, wherein: each sample storage chamber is internally provided with a temperature sensor, a humidity sensor and a formaldehyde detector.
5. The formaldehyde detecting device according to claim 4, wherein: each sample storage chamber is internally provided with an air inlet and an air outlet, and the air outlets are communicated with the chambers.
6. The formaldehyde detecting device according to claim 5, wherein: the formaldehyde detection device further comprises a gas injection device, a humidifying device and a temperature control device, wherein the gas injection device is communicated with the gas inlet so as to inject gas into the sample storage chamber, and the humidifying device and the temperature control device are used for easily controlling the temperature and the humidity of injected air.
7. The formaldehyde detecting device according to claim 1, wherein: and a glass panel is arranged on the box body.
8. The formaldehyde detecting device according to claim 1, wherein: the box body is provided with an operation key and a display panel.
9. A formaldehyde detecting method using the formaldehyde detecting apparatus according to claim 6, characterized in that: the method comprises the following steps:
s1: placing each sample in a sample storage chamber of the sample storage device;
s2: supporting the sample using three sample support posts;
s3: placing said sample storage device in said chamber with a gas injection means in communication with each of said gas inlets;
s4: the humidifying device and the temperature control device control the temperature and the humidity, the gas injection device is controlled to inject gas into the sample storage chamber, and the formaldehyde detector performs real-time formaldehyde detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946181.XA CN110806462A (en) | 2019-10-03 | 2019-10-03 | Formaldehyde detection device and formaldehyde detection method |
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| CN201910946181.XA CN110806462A (en) | 2019-10-03 | 2019-10-03 | Formaldehyde detection device and formaldehyde detection method |
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| CN110806462A true CN110806462A (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697963A (en) * | 2020-11-27 | 2021-04-23 | 通标标准技术服务（天津）有限公司 | Method for detecting formaldehyde in chemical products |
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|---|---|---|---|---|
| GB8529732D0 (en) * | 1985-12-03 | 1986-01-08 | Furniture Ind Res Ass | Measuring rate of formaldehyde emission |
| US20040121479A1 (en) * | 2002-12-20 | 2004-06-24 | Chen James Pey | Automatic portable formaldehyde analyzer |
| CN101216484A (en) * | 2007-12-28 | 2008-07-09 | 周玉成 | Artificial board formaldehyde burst size detection system |
| CN201609656U (en) * | 2010-02-08 | 2010-10-20 | 济南海纳特科技有限公司 | VOC and formaldehyde release amount detection climatic chest |
| CN202814946U (en) * | 2012-08-24 | 2013-03-20 | 东莞市升微机电设备科技有限公司 | VOC (Volatile Organic Compounds) releasing chamber with inlet gas flow compensating control system |
| CN106093311A (en) * | 2016-08-08 | 2016-11-09 | 北京市产品质量监督检验院 | Abnormal smells from the patient, VOC and floating harmful substance test device |
| CN206378487U (en) * | 2017-01-03 | 2017-08-04 | 东莞市明驰光电科技有限公司 | A kind of test system for being used to detect the volatile organic matter of automotive upholstery |
| CN207689449U (en) * | 2017-12-08 | 2018-08-03 | 东莞市升微机电设备科技有限公司 | Simple cabin is tested and pre-processed to formaldehyde or VOC burst sizes |
| CN108645692A (en) * | 2018-06-11 | 2018-10-12 | 上海福轩环保科技有限公司 | A kind of mattress formaldehyde and TVOC detection devices |
| CN209372810U (en) * | 2018-12-13 | 2019-09-10 | 南通市建设工程质量检测站有限公司 | The adjustable environmental test chamber of support frame |
-
2019
- 2019-10-03 CN CN201910946181.XA patent/CN110806462A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8529732D0 (en) * | 1985-12-03 | 1986-01-08 | Furniture Ind Res Ass | Measuring rate of formaldehyde emission |
| US20040121479A1 (en) * | 2002-12-20 | 2004-06-24 | Chen James Pey | Automatic portable formaldehyde analyzer |
| CN101216484A (en) * | 2007-12-28 | 2008-07-09 | 周玉成 | Artificial board formaldehyde burst size detection system |
| CN201609656U (en) * | 2010-02-08 | 2010-10-20 | 济南海纳特科技有限公司 | VOC and formaldehyde release amount detection climatic chest |
| CN202814946U (en) * | 2012-08-24 | 2013-03-20 | 东莞市升微机电设备科技有限公司 | VOC (Volatile Organic Compounds) releasing chamber with inlet gas flow compensating control system |
| CN106093311A (en) * | 2016-08-08 | 2016-11-09 | 北京市产品质量监督检验院 | Abnormal smells from the patient, VOC and floating harmful substance test device |
| CN206378487U (en) * | 2017-01-03 | 2017-08-04 | 东莞市明驰光电科技有限公司 | A kind of test system for being used to detect the volatile organic matter of automotive upholstery |
| CN207689449U (en) * | 2017-12-08 | 2018-08-03 | 东莞市升微机电设备科技有限公司 | Simple cabin is tested and pre-processed to formaldehyde or VOC burst sizes |
| CN108645692A (en) * | 2018-06-11 | 2018-10-12 | 上海福轩环保科技有限公司 | A kind of mattress formaldehyde and TVOC detection devices |
| CN209372810U (en) * | 2018-12-13 | 2019-09-10 | 南通市建设工程质量检测站有限公司 | The adjustable environmental test chamber of support frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697963A (en) * | 2020-11-27 | 2021-04-23 | 通标标准技术服务（天津）有限公司 | Method for detecting formaldehyde in chemical products |
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Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |