CN101393066A - Test position for sealability of breathing mask and mask - Google Patents
Test position for sealability of breathing mask and mask Download PDFInfo
- Publication number
- CN101393066A CN101393066A CNA2008102019789A CN200810201978A CN101393066A CN 101393066 A CN101393066 A CN 101393066A CN A2008102019789 A CNA2008102019789 A CN A2008102019789A CN 200810201978 A CN200810201978 A CN 200810201978A CN 101393066 A CN101393066 A CN 101393066A
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- storehouse
- mask
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- main storehouse
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Abstract
The invention relates to a bin for testing leakage of a respirator and a protective mask. The bin comprises a main bin, and a generating system and a detecting system for testing gas connected with each other, wherein the main bin is detachably and hermetically connected with an auxiliary bin, the main bin is connected with a circulating system, and the circulating system is a semi-circulated system, part of testing gas of the semi-circulated system takes part in circulation and the semi-circulated system can manually adjust circulation quantity. The bin has the advantages of environmental protection, energy conservation, small volume and easy disassembly, and is suitable for transportation, can be used as a testing bin for detecting the leakage of the respirator and the face mask, and also can be used as a common testing bin.
Description
Technical field
The present invention relates to a kind of test cabin, especially relate to mouth mask and mask are carried out the circulation scalable small-scale test storehouse that leaks is tested.
Background technology
Mouth mask and mask are very important again diseases prevention, epidemic prevention, protective articless commonly used in the social life, especially at terrible disaster such as earthquake, flood, when infectious disease (as SARS) is popular etc., it is extremely important more to seem.The quality of mouth mask and mask depends primarily on its filtration efficiency, so extremely important to mouth mask and the test of mask leaks.In mouth mask and the test of mask leaks, must there be certain space confession testing crew in this space, to finish specified action and carry out mouth mask and the test of mask leaks.So it is necessary to design the test cabin that can realize above function.Its test cabin is simple in structure in the existing leakage testing apparatus, sealing is not good, test gas directly discharges, because detecting the gas that uses may be toxic and harmful, irritative gas, or can cause the gas of certain pollution to atmosphere, directly discharging can cause harmful effect to environment to contaminated environment.So these gases of the least possible use and farthest make full use of these gases and just seem very important.Because the detection interior volume air of sealing is not smooth, healthy also the having to of testing crew taken into account simultaneously.Along with the multifunctionality and the flexibility of instrument, consider hommization, environmental protection simultaneously, these above contradictions are also more and more obvious.
Summary of the invention
The objective of the invention is to needs, a kind of structural good, sealing and mouth mask and mask leaks test cabin capable of circulation is provided at mouth mask and the test of mask leaks.For achieving the above object, design of the present invention is: the present invention adopts metal construction, suitable fastness is arranged, and can simple and easy dismounting be convenient to carrying, a main storehouse and detachable a connection of auxilliary storehouse, in auxilliary storehouse, adopt throttle setting to realize reducing when opening and closing master storehouse internal gas and leak and between auxilliary storehouse and main storehouse, form pressure reduction, reach better sealing.The present invention adopts gasket seal to realize sealing effectiveness in the warehouse junction, can realize the simple and easy dismounting of test cabin simultaneously and guarantee good sealing property.The present invention uses damascene structures and sealing strip to realize the sealing of two doors in main storehouse and the place of opening the door, auxilliary storehouse.The present invention adopts gas-circulating system; reduce the use amount of detected gas as far as possible and accomplished farthest to utilize detected gas; reduce the discharge capacity of detected gas, brought the advantage of simple for structure, small and exquisite, use cost, protection environment for thus whole device.The present invention also can be used as common test cabin.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of mouth mask and the mask property revealed test cabin, the test gas generation systems and the detection system that comprise a main storehouse and connection thereof, it is characterized in that: 1) described main storehouse and detachable being tightly connected in auxilliary storehouse, 2) described main storehouse connects a circulation system, but this circulation system participates in half circulation system of circulation and internal circulating load manual shift for the part experimental gas.
A side that can outwards open and close main cabin door is equipped with in above-mentioned main storehouse has a side of opening to be connected with described auxilliary storehouse, and the positive side in auxilliary storehouse has the auxilliary door of outside switching; All there is sealing that the view window of glass is installed on its excess-three side in described main storehouse and remaining two sides, auxilliary storehouse respectively; Auxilliary top, storehouse has a rectangular opening to connect the air outlet of an air-supply arrangement.
The structure of above-mentioned test gas generation systems is: the top in described main storehouse is connected in the outlet of an air compressor through a filtrator and generator; The structure of the described circulation system is: pipeline is passed through in the bottom in described main storehouse, one the tunnel through first flow meter, first filtrator and first scalable ebullator connection atmosphere, and another road second flowmeter and the second adjustable ebullator are connected the test gas flow ipe at top, main storehouse; The structure of described detection system is: introduction pipe is connected atmosphere through first sampling pump, first photometer and first filtrator in the main storehouse, and introduction pipe is connected atmosphere through second sampling pump, second photometer and second filtrator in mouth mask to be measured or the mask.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: the test cabin of this device is connected and composed by main storehouse and auxilliary storehouse, adopt gas-circulating system, hermetically-sealed construction is adopted in the junction, thereby has environmental protection, energy-saving advantages; This device has the advantage of good airproof performance; The circulation degree that this device can be regulated the circulation system does not make the gas concentration lwevel in the test cabin excessive and influence testing staff's health, also can save the gas of manufacturing simultaneously, thereby reduce cost and the least possible contaminated air; The volume of this device is little, and dismounting is fit to carrying and transportation easily.Both can be used as the test cabin that mouth mask and face shield leaks detect, also can be used as common test cabin.
Description of drawings
Fig. 1 is the system diagram of test cabin
Fig. 2 is the synoptic diagram in main storehouse
Fig. 3 is the synoptic diagram in auxilliary storehouse
Embodiment
Details are as follows in conjunction with the accompanying drawings for a preferred embodiment of the present invention:
Referring to Fig. 1, this mouth mask and the mask property revealed test cabin comprises a connected test gas generation systems in main storehouse and detection system, 5 one auxilliary storehouses, main storehouse, 17 detachable being tightly connected; Main storehouse 5 connects a circulation system, but this circulation system participates in half circulation system of circulation and internal circulating load manual shift for part test gas.
Referring to Fig. 1, Fig. 2 and Fig. 3, main storehouse 5 and auxilliary storehouse 17 are the rectangular parallelepiped plate construction.A side that can outwards open and close main cabin door 18 is equipped with in main storehouse 5 has a side of opening 23 to be connected with auxilliary storehouse 17, and 5,17 junctions, two storehouses are filled with sealing strip.The positive side in auxilliary storehouse 17 has the auxilliary door 27 of outside switching, and sealing strip is housed around it.On its excess-three side in main storehouse 5 and all the other two sides, auxilliary storehouse view window 19,20,22,25,26 is arranged respectively; The first half of main cabin door 18 and auxilliary door 27 also respectively has view window, and view window is installed glass, between this glass and sheet material rubber weather strip is housed.Auxilliary 17 tops, storehouse have a rectangular opening 24 to connect the air outlet of an air-supply arrangement 4.
Referring to Fig. 1, the structure of above-mentioned test gas generation systems is: the outlet of an air compressor 1 is through the top in a filtrator 2 and a described main storehouse 5 of generator 3 connections; The structure of the described circulation system is: pipeline is passed through in the bottom in described main storehouse 5, one the tunnel through first flow meter 8, first filtrator 9 and the first scalable ebullator, 10 connection atmosphere, and another road second flowmeter 7 and the second adjustable ebullator 6 are connected the test gas flow ipe at 5 tops, main storehouse; The structure of described detection system is: introduction pipes are connected atmosphere through first sampling pump 13, first photometer 12 and first filtrator 11 in the main storehouse 5, and introduction pipe is connected atmosphere through second sampling pump 14, second photometer 15 and second filtrator 16 in mouth mask to be measured or the mask.
Above-mentioned generator 3 adopts the TSI9306 generator, and photometer 12,15 adopts the TSI8587A photometer.
Principle of work
The leaks test of mouth mask and mask is carried out as test cabin in main storehouse 5.Auxilliary storehouse 17 earlier through auxilliary storehouse, enters in the main storehouse before entering main storehouse as transitional storehouse again.The air-supply arrangement 4 input gases at auxilliary 17 tops, storehouse realize that auxilliary storehouse internal pressure increases, and closed test gas leaks into the effect of external environment condition when playing the sealing main cabin door simultaneously and avoiding main storehouse to open the door.
Test gas enters from main storehouse top drilling during test, discharges from the bottom perforate.Testing crew stands on and uses mouth mask or mask to test in the main storehouse.
Testing crew enters main storehouse by auxilliary storehouse during test, and auxilliary top, storehouse air-supply arrangement 4 applies malleation and prevents that main storehouse internal gas from leaking.
Air compressor 1 input pressurized air produces satisfactory particulate test gas through entering generator 3 behind the filtrator 2.The particulate test gas that produces enters main storehouse 5 by pipeline and experimentizes, and gas flows to two flowmeters 7,8 respectively by the hole of 5 bottoms, main storehouse simultaneously, can monitor the size of flow in two pipes by flowmeter.One road gas is disposed to atmosphere by filtrator 9 and vacuum pump 10, and another road gas is delivered to main storehouse air intake opening by ebullator 6.Wait to test main storehouse concentration reach stable after, test.Gather two groups of data during test, one group of data is particle concentrations to be tested of test inside, main storehouse, another group data are to wait to test the particle concentration of mouth mask or mask inside, these two groups of data are by the waiting to test and draw two-way gas in mouth mask or the mask in main storehouse and the main storehouse respectively of two pipelines on the main storehouse, pass through sampling pump 13,14, photometer 12,15 and filtrator 11,16 respectively, be discharged into atmosphere at last.Two-way gas by photometer 12,15 can obtain two groups of different concentration values by the photometer detection, calculates the leaks that can obtain mouth mask to be measured or mask by the substitution formula.When needs are regulated internal circulating load, can realize by regulating pump 6 and 10, cooperate observation flowmeter 7 and 8 to realize control simultaneously.
Claims (3)
1, a kind of mouth mask and mask leaks test cabin comprise a main storehouse (5) and the test gas generation systems and the detection system that connect, specifically are characterised in that:
1), described main storehouse (5) and detachable being tightly connected in an auxilliary storehouse (17);
2), described main storehouse (5) connects a circulation system, but this circulation system is half circulation system that part test gas participates in circulation and internal circulating load manual shift.
2, mouth mask according to claim 1 and mask leaks test cabin, it is characterized in that described main storehouse (5) is equipped with a side that can outwards open and close main cabin door (18) and has a side of opening (23) to be connected with described auxilliary storehouse (17), the positive side in auxilliary storehouse (17) has the auxilliary door (27) of outside switching; All there is sealing that the view window (19,20,22,25,26) of glass is installed on all the other two sides in described main storehouse (5) respectively; The top in auxilliary storehouse (17) has a rectangular opening (24) to connect the air outlet of an air-supply arrangement (4).
3, mouth mask according to claim 1 and 2 and mask leaks test cabin is characterized in that the structure of described test gas generation systems is: the top in described main storehouse (5) is connected in the outlet of an air compressor (1) through a filtrator (2) and a generator (3); The structure of the described circulation system is: pipeline is passed through in the bottom in described main storehouse (5), one the tunnel through first flow meter (8), first filtrator (9) and the first scalable ebullator (10) connection atmosphere, and another road second flowmeter (7) and the second adjustable ebullator (6) are connected the experimental gas flow ipe at top, main storehouse (5); The structure of described detection system is: connect atmosphere from the interior introduction pipe in main storehouse (5) through first sampling pump (13), first photometer (12) and first filtrator (11), introduction pipe is through second sampling pump (14), second photometer (15) and second filtrator (16) connection atmosphere in mouth mask to be measured or the mask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102019789A CN101393066B (en) | 2008-10-30 | 2008-10-30 | Mask and protective mask leakage test bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102019789A CN101393066B (en) | 2008-10-30 | 2008-10-30 | Mask and protective mask leakage test bin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101393066A true CN101393066A (en) | 2009-03-25 |
| CN101393066B CN101393066B (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102019789A Expired - Fee Related CN101393066B (en) | 2008-10-30 | 2008-10-30 | Mask and protective mask leakage test bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101393066B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590065A (en) * | 2012-03-07 | 2012-07-18 | 上海大学 | Combined experiment warehouse for extraordinary protection mouth mask filtering efficiency performance detection |
| CN103808471A (en) * | 2013-12-10 | 2014-05-21 | 中煤科工集团重庆研究院有限公司 | Intelligent check meter for respirator |
| CN105067501A (en) * | 2015-08-20 | 2015-11-18 | 中国人民大学 | Filtering material performance detecting device for air filter |
| CN105606319A (en) * | 2016-03-29 | 2016-05-25 | 三峡大学 | Test device and method for detecting sealing performance of waterproof strip of power cable |
| CN105699020A (en) * | 2014-12-12 | 2016-06-22 | 霍尼韦尔国际公司 | Testing a mask seal |
| CN106018235A (en) * | 2016-05-20 | 2016-10-12 | 广州纤维产品检测研究院 | Protection effect test chamber of mask and test method |
| CN108458841A (en) * | 2017-02-22 | 2018-08-28 | 北京小米移动软件有限公司 | The detection method and device of mask |
| CN113465831A (en) * | 2021-06-28 | 2021-10-01 | 广州检验检测认证集团有限公司 | Leakage rate testing device for multifunctional three-dimensional respirator |
| CN115597788A (en) * | 2022-11-11 | 2023-01-13 | 广州辰睿智能装备有限公司（Cn） | Mask fitting degree and leakage rate detection device |
-
2008
- 2008-10-30 CN CN2008102019789A patent/CN101393066B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102590065A (en) * | 2012-03-07 | 2012-07-18 | 上海大学 | Combined experiment warehouse for extraordinary protection mouth mask filtering efficiency performance detection |
| CN103808471A (en) * | 2013-12-10 | 2014-05-21 | 中煤科工集团重庆研究院有限公司 | Intelligent check meter for respirator |
| CN103808471B (en) * | 2013-12-10 | 2016-03-23 | 中煤科工集团重庆研究院有限公司 | Intelligent check meter for respirator |
| US10646732B2 (en) | 2014-12-12 | 2020-05-12 | Honeywell International Inc. | Testing a mask seal |
| CN105699020A (en) * | 2014-12-12 | 2016-06-22 | 霍尼韦尔国际公司 | Testing a mask seal |
| US11369815B2 (en) | 2014-12-12 | 2022-06-28 | Honeywell International Inc. | Testing a mask seal |
| CN105067501A (en) * | 2015-08-20 | 2015-11-18 | 中国人民大学 | Filtering material performance detecting device for air filter |
| CN105606319A (en) * | 2016-03-29 | 2016-05-25 | 三峡大学 | Test device and method for detecting sealing performance of waterproof strip of power cable |
| CN106018235A (en) * | 2016-05-20 | 2016-10-12 | 广州纤维产品检测研究院 | Protection effect test chamber of mask and test method |
| CN108458841A (en) * | 2017-02-22 | 2018-08-28 | 北京小米移动软件有限公司 | The detection method and device of mask |
| CN113465831A (en) * | 2021-06-28 | 2021-10-01 | 广州检验检测认证集团有限公司 | Leakage rate testing device for multifunctional three-dimensional respirator |
| CN115597788A (en) * | 2022-11-11 | 2023-01-13 | 广州辰睿智能装备有限公司（Cn） | Mask fitting degree and leakage rate detection device |
| CN115597788B (en) * | 2022-11-11 | 2023-08-25 | 广州辰睿智能装备有限公司 | Mask tightness and leakage rate detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101393066B (en) | 2010-09-15 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: JIANGSU TONGHAI THREAD CO., LTD. Free format text: FORMER OWNER: SHANGHAI UNIVERSITY Effective date: 20140513 |
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Free format text: CORRECT: ADDRESS; FROM: 200444 BAOSHAN, SHANGHAI TO: 226600 NANTONG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140513 Address after: Haian County Town Hing pier 226600 in Jiangsu city of Nantong province Changle Road No. 11 Patentee after: Jiangsu Tonghai Thread Co., Ltd. Address before: 200444 Baoshan District Road, Shanghai, No. 99 Patentee before: Shanghai University |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20201030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |