CN103048150B - Odor-removal inspection method of refrigerator - Google Patents
Odor-removal inspection method of refrigerator Download PDFInfo
- Publication number
- CN103048150B CN103048150B CN201210516072.2A CN201210516072A CN103048150B CN 103048150 B CN103048150 B CN 103048150B CN 201210516072 A CN201210516072 A CN 201210516072A CN 103048150 B CN103048150 B CN 103048150B
- Authority
- CN
- China
- Prior art keywords
- gas
- refrigerator
- foreign flavor
- gas production
- inspection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an odor-removal inspection method of a refrigerator. The method comprises the following steps of tightly closing a refrigerator door, and delivering an odor gas for inspection into a cavity of the refrigerator through a gas inlet; closing the gas inlet, and enabling the gas in the cavity to circulate and flow, so as to uniformly distribute the odor gas in the cavity; after a gas flow formed by the circulating and flowing of the gas is stabilized, sampling the odor gas in the cavity of the refrigerator through a gas sampling port, and recording the sampling result as an initial concentration C1 of the odor gas; starting a power source to enable the refrigerator to normally run; after the refrigerator normally runs with the preset inspection time, sampling the odor gas in the cavity of the refrigerator through the gas sampling port, and recording the sampling result as a stop concentration C2 of the odor gas; and according to a formula A=C1-C2/C1 *100%, calculating an adsorption rate A for evaluating the odor-removal effect of the refrigerator. The odor-removal inspection method has the advantages that the requirements of the relevant state requirements are met, the data accuracy is high, and the reproducibility is high.
Description
Technical field
The present invention relates to a kind of method of inspection of refrigerator operation performance, specifically a kind of method of inspection that eliminates the unusual smell of refrigerator.
Background technology
Along with the enhancing of the awareness of environment protection and health, there is refrigerator that is antibacterial, degerming functions and be day by day subject to consumers, government has put into effect some detection certification state compulsion standards for the correlation function of refrigerator and similar applications electrical equipment, and the effect that eliminates the unusual smell of inspection refrigerator is then a wherein important detection authentication item.
The peculiar smell volatilized by metabolic product or the storing products of bacterium, fungi in refrigerator inner cavity removed by refrigerator by its peculiar smell removal device, adopt adsorption rate, or be called gas resolution ratio to its effect evaluation that eliminates the unusual smell.The inspection of effect that refrigerator is eliminated the unusual smell, gas with foreign flavor in general employing methyl mercaptan or trimethylamine gas analog electrical refrigerator inner cavity to eliminate the unusual smell test to refrigerator, methyl mercaptan is a kind of colourless gas with unhappy smell, trimethylamine then has fish raw meat foul odour, namely be show that refrigerator runs the concentration of front and back gas with foreign flavor by sampling in prior art, draw to evaluate refrigerator to eliminate the unusual smell the adsorption rate of effect, both easily collection analysis was realized, also can by the effect that eliminates the unusual smell of sense of smell direct feeling refrigerator.
The refrigerator of prior art eliminates the unusual smell the method for inspection, has the following disadvantages:
The first, owing to being that the density of methyl mercaptan gas or trimethylamine gas is all greater than air, cause gas with foreign flavor to be always deposited in the bottom of refrigerator inner chamber, make detection data cannot comprehensively and science reflection refrigerator the effect that eliminates the unusual smell;
The second, the existing method of inspection that eliminates the unusual smell all does not meet the relevant regulations of GB 21551.4-2010 " particular/special requirement of antibacterial, degerming, the purification function refrigerator of family expenses and similar applications electrical equipment " national standard.
Summary of the invention
The object of this invention is to provide the method for inspection that eliminates the unusual smell of a kind of high accuracy and reproducible refrigerator, there is high refrigerator and to eliminate the unusual smell validity check quality.
The object of the invention is to be realized by following technical measures:
The method of inspection that eliminates the unusual smell of refrigerator, is characterized in that the described method of inspection comprises the following steps:
(S1) make the door body of refrigerator close, inspection gas with foreign flavor is input in the inner chamber of refrigerator from the air intake opening electric refrigerator housing body;
(S2) close the air intake opening described in step (S1), make the gas circulating flow in refrigerator inner chamber, be evenly distributed in the inner chamber of refrigerator to make described gas with foreign flavor;
(S3) after the steady air current of the gas the circulated formation described in step (S2), from the gas production mouth electric refrigerator housing body, the gas with foreign flavor in refrigerator inner chamber is sampled, and sampled result is recorded as the initial concentration C of gas with foreign flavor
1;
(S4) power-on makes refrigerator normally run;
(S5) after refrigerator normally runs default proving time, from the gas production mouth electric refrigerator housing body, the gas with foreign flavor in refrigerator inner chamber is sampled, and sampled result is recorded as the termination concentration C of gas with foreign flavor
2;
(S6) according to formula
calculate and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator.
As a modification of the present invention, the described method that eliminates the unusual smell is further comprising the steps of:
While making refrigerator normally run described in step (S4), make relative humidity in refrigerator inner chamber more than 60%.
In order to ensure the validity of sampling, further raising refrigerator eliminates the unusual smell the quality inspection of validity check, as a modification of the present invention, gas production mouth on described electric refrigerator housing body comprises the upper gas production mouth and lower gas production mouth that vertically arrange, calculate the adsorption rate of gas with foreign flavor from upper gas production mouth and the sampling of lower gas production mouth respectively by described step (S6), and draw after averaging and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator.
As one embodiment of the present invention, the stabilization judgment method of air-flow is in described step (S3): be less than 10% from the concentration difference of the gas with foreign flavor of described up-sampling mouth and the sampling of down-sampling mouth.
As one embodiment of the present invention, described gas with foreign flavor is methyl mercaptan or trimethylamine gas.
As one embodiment of the present invention, described step of sampling to gas with foreign flavor is as follows:
(S7-1) carry out painting stain post-drying with the inside surface of the phosphoric acid-acetone soln of 0.02mol/L to the gas production bottle that volume is 1L, and the gas discharge in gas production bottle is made the vacuum tightness of gas production bottle close-1.0 × 10
5pa;
(S7-2) described gas with foreign flavor is filled with in the gas production bottle described in step (S7-1), makes the air pressure of gas production bottle return back to normal pressure, and gas production bottle lucifuge is deposited;
(S7-3) in 24 hours, use syringe to extract 1mL to 2mL gas with foreign flavor from the gas production bottle described in step (S7-2), and inject gas chromatograph-mass spectrometer and carry out quantitative test with external standard method;
(S7-4) when the result of the quantitative test described in step (S7-3) is: when the concentration of gas with foreign flavor is lower than gas chromatograph-mass spectrometer detection limit, use concentration tube under the cryogenic conditions being cold-producing medium with liquid oxygen, concentrate the gas with foreign flavor described in step (S7-2), repetition step (S7-3) and step (S7-4) carry out quantitative test to gas with foreign flavor.
As one embodiment of the present invention, in described step (S1), in refrigerator inner chamber, the concentration of gas with foreign flavor is at 2mg/m
3to 12mg/m
3between; Proving time described in step (S5) is 2 hours, when the adsorption rate A that step (S6) calculates is more than 90%, judges that the effect that eliminates the unusual smell of refrigerator is qualified.
Compared with prior art, the present invention has following beneficial effect:
Because the present invention is by arranging upper gas production mouth and lower gas production mouth, make the gas circulating flow in refrigerator inner chamber and again gas with foreign flavor sampled after the steady air current of the gas formation circulated, calculate and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator, ensure that the validity that gas with foreign flavor is sampled, therefore the method for inspection of the present invention meets the requirement of relative national standards, from sampling, circulation and condition control these three committed step specifications and to eliminate the unusual smell checkout procedure, there is data accuracy high, the feature that reappearance is strong, energy objective appraisal goes out the serviceability that eliminates the unusual smell of refrigerator.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is that the present invention eliminates the unusual smell the FB(flow block) of the method for inspection;
Fig. 2 is that the present invention eliminates the unusual smell one of the installing schematic diagram of inspection machine in the method for inspection;
Fig. 3 is that the present invention eliminates the unusual smell the installing schematic diagram two of inspection machine in the method for inspection.
Embodiment
As shown in Figures 1 to 3, the method for inspection that eliminates the unusual smell of refrigerator of the present invention comprises the following steps:
(S1) arrange on electric refrigerator housing body to be tested air intake opening 1, on gas production mouth 2 and lower gas production mouth 3, air circulation device 5 and damping device 6 are installed in the inner chamber of refrigerator, wherein go up gas production mouth 2 and lower gas production mouth 3 vertically arranges; The door body of refrigerator is closed, using methyl mercaptan gas as inspection gas with foreign flavor, it is input in the inner chamber of refrigerator from the air intake opening 1 electric refrigerator housing body, and makes the concentration of gas with foreign flavor in refrigerator inner chamber at 2mg/m
3to 12mg/m
3between;
(S2) close the air intake opening 1 described in step (S1), start air circulation device 5, make the gas circulating flow in refrigerator inner chamber, be evenly distributed in the inner chamber of refrigerator to make described gas with foreign flavor;
(S3) after the steady air current of the gas the circulated formation described in step (S2), when the concentration difference of the gas with foreign flavor of namely sampling from described up-sampling mouth 2 and down-sampling mouth 3 is less than 10%, sample from the gas with foreign flavor in the upper gas production mouth 2 electric refrigerator housing body and lower gas production mouth 3 pairs of refrigerator inner chambers respectively, and sampled result is recorded as respectively the gas with foreign flavor initial concentration C of upper gas production mouth 2 and lower gas production mouth 3
1;
(S4) power-on makes refrigerator normally run, and starts damping device 6 simultaneously, makes the relative humidity in refrigerator inner chamber remain on more than 60%;
(S5) after refrigerator normally runs 2 hours, sample from the gas with foreign flavor in the upper gas production mouth 2 electric refrigerator housing body and lower gas production mouth 3 pairs of refrigerator inner chambers respectively, and gas with foreign flavor sampled result being recorded as respectively upper gas production mouth 2 and lower gas production mouth 3 stops concentration C
2;
(S6) according to formula
calculate the gas with foreign flavor adsorption rate of gas production mouth 2 and lower gas production mouth 3 respectively, and draw after averaging and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator; When adsorption rate A is more than 90%, then judge that the effect that eliminates the unusual smell of refrigerator is qualified.
Wherein, above-mentioned step of sampling to gas with foreign flavor is as follows:
(S7-1) carry out painting stain post-drying with the inside surface of the phosphoric acid-acetone soln of 0.02mol/L to the gas production bottle 4 that volume is 1L, and the gas discharge in gas production bottle 4 is made the vacuum tightness of gas production bottle 4 close-1.0 × 10
5pa;
(S7-2) the gas production bottle 4 described in two steps (S7-1) is communicated with lower gas production mouth 3 with upper gas production mouth 2 respectively by conduit, gas with foreign flavor is made to be filled with in two gas production bottles 4, make the air pressure of gas production bottle 4 return back to normal pressure, and gas production bottle 4 lucifuge is deposited;
(S7-3) in 24 hours, use syringe to extract 1mL to 2mL gas with foreign flavor from the gas production bottle 4 described in step (S7-2), and inject gas chromatograph-mass spectrometer and carry out quantitative test with external standard method;
(S7-4) when the result of the quantitative test described in step (S7-3) is: when the concentration of gas with foreign flavor is lower than gas chromatograph-mass spectrometer detection limit, use concentration tube under the cryogenic conditions being cold-producing medium with liquid oxygen, concentrate the gas with foreign flavor described in step (S7-2), repetition step (S7-3) and step (S7-4) carry out quantitative test to gas with foreign flavor.
The present invention does not limit to and above-mentioned embodiment; according to foregoing; according to ordinary technical knowledge and the customary means of this area; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; the present invention can also make the equivalent modifications of other various ways, replacement or change; as using trimethylamine gas as inspection gas with foreign flavor, all drop among protection domain of the present utility model.
Claims (6)
1. the method for inspection that eliminates the unusual smell of refrigerator, is characterized in that: the described method of inspection comprises the following steps:
(S1) make the door body of refrigerator close, inspection gas with foreign flavor is input in the inner chamber of refrigerator from the air intake opening (1) electric refrigerator housing body;
(S2) close the air intake opening (1) described in step (S1), make the gas circulating flow in refrigerator inner chamber, be evenly distributed in the inner chamber of refrigerator to make described gas with foreign flavor;
(S3) after the steady air current of the gas the circulated formation described in step (S2), from the gas production mouth electric refrigerator housing body, the gas with foreign flavor in refrigerator inner chamber is sampled, and sampled result is recorded as the initial concentration C of gas with foreign flavor
1;
(S4) power-on makes refrigerator normally run;
(S5) after refrigerator normally runs default proving time, from the gas production mouth electric refrigerator housing body, the gas with foreign flavor in refrigerator inner chamber is sampled, and sampled result is recorded as the termination concentration C of gas with foreign flavor
2;
(S6) according to formula
calculate and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator;
Described step of sampling to gas with foreign flavor is as follows:
(S7-1) carry out painting stain post-drying with the inside surface of the phosphoric acid-acetone soln of 0.02mol/L to the gas production bottle (4) that volume is 1L, and the gas in gas production bottle (4) is discharged the vacuum tightness close-1.0 × 10 making gas production bottle (4)
5pa;
(S7-2) described gas with foreign flavor is filled with in the gas production bottle (4) described in step (S7-1), makes the air pressure of gas production bottle (4) return back to normal pressure, and gas production bottle (4) lucifuge is deposited;
(S7-3) in 24 hours, use syringe to extract 1mL to 2mL gas with foreign flavor from the gas production bottle (4) described in step (S7-2), and inject gas chromatograph-mass spectrometer and carry out quantitative test with external standard method;
(S7-4) when the result of the quantitative test described in step (S7-3) is: when the concentration of gas with foreign flavor is lower than gas chromatograph-mass spectrometer detection limit, use concentration tube under the cryogenic conditions being cold-producing medium with liquid oxygen, concentrate the gas with foreign flavor described in step (S7-2), repetition step (S7-3) and step (S7-4) carry out quantitative test to gas with foreign flavor.
2. the method for inspection that eliminates the unusual smell of refrigerator according to claim 1, is characterized in that: the described method that eliminates the unusual smell is further comprising the steps of:
While making refrigerator normally run described in step (S4), make relative humidity in refrigerator inner chamber more than 60%.
3. the method for inspection that eliminates the unusual smell of refrigerator according to claim 1 and 2, it is characterized in that: the gas production mouth on described electric refrigerator housing body comprises the upper gas production mouth (2) and lower gas production mouth (3) that vertically arrange, calculated the adsorption rate of the gas with foreign flavor of sampling from upper gas production mouth (2) and lower gas production mouth (3) by described step (S6) respectively, and draw after averaging and to eliminate the unusual smell the adsorption rate A of effect for evaluating refrigerator.
4. the method for inspection that eliminates the unusual smell of refrigerator according to claim 3, is characterized in that: the stabilization judgment method of air-flow is in described step (S3): the concentration difference of the gas with foreign flavor of sampling from described upper gas production mouth (2) and lower gas production mouth (3) is less than 10%.
5. the method for inspection that eliminates the unusual smell of refrigerator according to claim 4, is characterized in that: described gas with foreign flavor is methyl mercaptan or trimethylamine gas.
6. the method for inspection that eliminates the unusual smell of refrigerator according to claim 5, is characterized in that: in described step (S1), in refrigerator inner chamber, the concentration of gas with foreign flavor is at 2mg/m
3to 12mg/m
3between; Proving time described in step (S5) is 2 hours, when the adsorption rate A that step (S6) calculates is more than 90%, judges that the effect that eliminates the unusual smell of refrigerator is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516072.2A CN103048150B (en) | 2012-12-05 | 2012-12-05 | Odor-removal inspection method of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210516072.2A CN103048150B (en) | 2012-12-05 | 2012-12-05 | Odor-removal inspection method of refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103048150A CN103048150A (en) | 2013-04-17 |
| CN103048150B true CN103048150B (en) | 2015-06-17 |
Family
ID=48060872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210516072.2A Active CN103048150B (en) | 2012-12-05 | 2012-12-05 | Odor-removal inspection method of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103048150B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049064A (en) * | 2014-05-16 | 2014-09-17 | 湖南文象炭基环保材料股份有限公司 | Method for comparison of adsorption performance of materials by flavor removal effect |
| CN106016956B (en) * | 2016-06-20 | 2019-03-08 | 青岛海尔股份有限公司 | The control method of refrigerator |
| CN110361292B (en) * | 2019-08-12 | 2022-02-11 | 南京师范大学 | Evaluation device and evaluation method for sealing performance of covering material for odor substances in pesticide industry field |
| CN110361236A (en) * | 2019-08-13 | 2019-10-22 | 南京师范大学 | A kind of the sampling evaluating apparatus and evaluation method of pesticide industry place volatility smell substance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397323Y (en) * | 2009-03-31 | 2010-02-03 | 华东理工大学 | Testing device for evaluating absorbing effect of formaldehyde absorbent |
| 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 |
| CN102038968A (en) * | 2009-10-14 | 2011-05-04 | 王玲玲 | Indoor air purifier capable of controlling concentration of pollutants and purifying method thereof |
| CN102062707A (en) * | 2009-11-13 | 2011-05-18 | 立邦涂料（中国）有限公司 | Method and device for measuring volatile harmful gas decomposing capability |
| CN102337948A (en) * | 2010-07-15 | 2012-02-01 | 仿真科技公司 | Reduction system of exhaust gas pollution and its monitoring method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002257804A (en) * | 2001-03-02 | 2002-09-11 | Nikko Plant:Kk | Method for designing, maintaining or managing deodorizer, and deodorizer |
| JP2011087811A (en) * | 2009-10-23 | 2011-05-06 | Sharp Corp | Deodorizing device, test tub for evaluating performance of deodorant and method for using the same |
-
2012
- 2012-12-05 CN CN201210516072.2A patent/CN103048150B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397323Y (en) * | 2009-03-31 | 2010-02-03 | 华东理工大学 | Testing device for evaluating absorbing effect of formaldehyde absorbent |
| CN102038968A (en) * | 2009-10-14 | 2011-05-04 | 王玲玲 | Indoor air purifier capable of controlling concentration of pollutants and purifying method thereof |
| CN102062707A (en) * | 2009-11-13 | 2011-05-18 | 立邦涂料（中国）有限公司 | Method and device for measuring volatile harmful gas decomposing capability |
| 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 |
| CN102337948A (en) * | 2010-07-15 | 2012-02-01 | 仿真科技公司 | Reduction system of exhaust gas pollution and its monitoring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103048150A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103048150B (en) | Odor-removal inspection method of refrigerator | |
| CN104713803B (en) | Method for accurately measuring absorbed phase density of methane on shale | |
| CN204417513U (en) | A kind of can the CO2gas incubator of on-line checkingi | |
| CN106769978B (en) | Fermentation tank tail gas in-line analyzer | |
| CN102346088B (en) | Leakage detection method for helium mass spectrum with low helium filling concentration | |
| CN201364194Y (en) | Liquid flow test device | |
| CN104792681B (en) | Device for detecting and comparing performance of filters as well as detection method | |
| CN107402287A (en) | The calibration equipment and method of calibration of air quality detector | |
| CN105353396A (en) | Rapid measurement method of radon exhalation rate through closed-loop partial integration | |
| CN101813653A (en) | Double-channel SF6 gas decomposition product tester | |
| CN104267199A (en) | Shale gas content determining method and determining system of shale gas content determining method | |
| CN103149119A (en) | Data processing method for hydrogen storage material pressure-composition isotherm test | |
| CN202886149U (en) | Sampling collector of organic volatile compounds in product/sample | |
| CN108982289A (en) | A kind of shale gas scene resolver and method | |
| CN103424517A (en) | Device and method for detecting quality of yellow wine | |
| CN204287324U (en) | Resistivity test device in a kind of coal petrography desorption process | |
| CN110687091B (en) | Portable conventional natural gas calorific value measuring equipment and measuring method thereof | |
| CN210442348U (en) | Formaldehyde generating device for detection | |
| CN204903249U (en) | Portable mining dust sampler | |
| CN203053489U (en) | Environmental test case | |
| CN205404419U (en) | Food sulfur dioxide content detector | |
| CN103018427B (en) | A kind of to article air release test demonstration instrument | |
| CN107247014B (en) | Device and method for measuring particle size distribution of vacuum intermediate infrared interference smoke screen | |
| CN205826252U (en) | Disinfection cabinet sealing propertytest system | |
| CN209296669U (en) | A kind of carbon content detection device for mould steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171227 Address after: 314000 Business Garden No. 3, Jiaxing headquarters, Nanhu District, Jiaxing, Zhejiang Patentee after: JIAXING WEIKAI DETECTION TECHNOLOGY CO., LTD. Address before: 510663 Guangdong city of Guangzhou province Luogang District Tiantai Road No. 3 Patentee before: Vkan Certification and Testing Co., Ltd. |
|
| TR01 | Transfer of patent right |