CN108037058A - Breathing circuit filter bacterial virus filter efficiency tester - Google Patents
Breathing circuit filter bacterial virus filter efficiency tester Download PDFInfo
- Publication number
- CN108037058A CN108037058A CN201711394941.8A CN201711394941A CN108037058A CN 108037058 A CN108037058 A CN 108037058A CN 201711394941 A CN201711394941 A CN 201711394941A CN 108037058 A CN108037058 A CN 108037058A
- Authority
- CN
- China
- Prior art keywords
- babinet
- aerosol
- room
- generation chamber
- breathing circuit
- 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.)
- Pending
Links
- 241000700605 Viruses Species 0.000 title claims abstract description 13
- 230000001580 bacterial effect Effects 0.000 title claims abstract description 13
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 13
- 239000000443 aerosol Substances 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 30
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000889 atomisation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011056 performance test Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
-
- G01N15/01—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Abstract
Breathing circuit filter bacterial virus filter efficiency tester, including babinet, aerosol room, test tube, the first Andersen sampler and closed detection cover are set respectively in babinet, clip is set on wall box, aerosol room is fixed in the middle part of babinet by clip, and aerosol room bottom connects one end of the first air outlet pipe, and the other end of the first air outlet pipe is connected with the upper end of detection cover, one end of the air inlet connection air inlet pipe of first Andersen sampler, the other end of air inlet pipe are connected with the lower end of detection cover.The beneficial effects of the invention are as follows detection cover can be aspirated by air inlet pipe, the first Andersen sampler is sucked so as to will transmit through the gas of mask to be measured, in order to which culture of the later stage to bacterium is clear in order to bacterium, so that convenient directly perceived and accurately detect the resistance bacterium performance of mask.
Description
Technical field
The present invention relates to a kind of test device, especially breathing circuit filter bacterial virus filter efficiency tester.
Background technology
Existing mask need to meet to hinder bacterium performance（That is bacterial virus filter efficiency）Test can use, and at present not
With the instrument of special detection mask resistance bacterium property, the performance test of resistance bacterium is generally with reference to mask strainability detection device, mask leakage
The testing result of the instruments such as detecting instrument, therefore, the resistance bacterium performance test results of mask are often inaccurate.
The content of the invention
It is an object of the invention to provide the breathing circuit filter bacterial virus filtering dedicated for detection mask resistance bacterium performance
Efficiency tester, its testing result are accurate.
The technical solution adopted by the present invention to solve the technical problems is：Breathing circuit filter bacterial virus filter efficiency is tested
Instrument, including babinet, set aerosol room, test tube, the first Andersen sampler and closed detection cover, case-side in babinet respectively
Clip is set on wall, aerosol room is fixed in the middle part of babinet by clip, and aerosol room bottom connects one end of the first air outlet pipe, the
The other end of one air outlet pipe is connected with the upper end of detection cover, one end of the air inlet connection air inlet pipe of the first Andersen sampler,
The other end of air inlet pipe is connected with the lower end of detection cover, and detection cover can compress the surrounding of mask, the first Andersen sampler
Gas outlet connect the first negative pressure line, aerosol room top sets aerosol generation chamber, aerosol room and aerosol generation chamber
Between connect connecting tube, connect the first pipeline between test tube and aerosol generation chamber, positive pressure pipeline connected in aerosol generation chamber,
Aerosol room bottom sets discharge outlet, and the first valve is set in discharge outlet, vibrator is set in babinet, test tube is set on vibrator
Seat, opens up several mounting holes on test tube flat, and test tube is fitted in mounting hole, and the is connected between test tube and aerosol generation chamber
Two pipelines, set peristaltic pump on the second pipeline.
The present invention in order to further solve its technical problem used by technical solution be：Connected on the aerosol room
Tonifying Qi pipeline.Second Andersen sampler is set in the babinet, between the second Andersen sampler and aerosol room bottom
The second air outlet pipe is connected, the second negative pressure line is connected on the second Andersen sampler.The aerosol generation chamber and vibrator
It is three, is connected between three aerosol generation chamber and aerosol room by three connecting tubes, is respectively provided with each connecting tube
Second valve.The babinet side sets vertical track, and be slidably installed trolley on track, and casing top sets electronic coiling
Roller, winds drawstring on electronic winding roller, one end of drawstring is connected with trolley, installs camera and temperature and humidity sensing on trolley respectively
Device, babinet opposite side set vertical headlamp, and babinet top sets audible-visual annunciator, audible-visual annunciator and Temperature Humidity Sensor
Connected by conducting wire.
The beneficial effects of the invention are as follows：The present invention before detection, first inserts mask to be measured in detection cover, mask to be measured
Both sides are respectively air inlet pipe and the first air outlet pipe, load bacterium solution in test tube, in positive pressure pipeline that invisible spectro bacterium solution suction gas is molten
Interior occurs for glue, and bacterium solution is atomized by aerosol generation chamber, and the bacterium solution after atomization enters detection through aerosol room and the first air outlet pipe
Cover, the first Andersen sampler aspirates detection cover under the action of the first negative pressure line, by air inlet pipe, so that will be saturating
The gas for crossing mask to be measured sucks the first Andersen sampler, in order to which culture of the later stage to bacterium is clear in order to bacterium, so that
Convenience is directly perceived and accurately detects the resistance bacterium performance of mask.
Brief description of the drawings：
Fig. 1 is schematic structural view of the invention；Fig. 2 is the stereogram of Fig. 1；Fig. 3 is another structure diagram of the invention.
Embodiment
Breathing circuit filter bacterial virus filter efficiency tester, as depicted in figs. 1 and 2, including babinet 1, babinet 1 are interior respectively
Aerosol room 8, test tube 29, the first Andersen sampler 17 and closed detection cover 15 are set, clip is set on 1 side wall of babinet
22, aerosol room 8 is fixed in the middle part of babinet 1 by clip 22, one end of the first air outlet pipe 14 of 8 bottom of aerosol room connection, and first
The other end of air outlet pipe 14 is connected with the upper end of detection cover 15, the air inlet connection air inlet pipe 16 of the first Andersen sampler 17
One end, the other end of air inlet pipe 16 are connected with the lower end of detection cover 15, and detection cover 15 can compress the surrounding of mask, the first peace
The gas outlet of the gloomy sampler 17 of moral connects the first negative pressure line 18, and 8 top of aerosol room sets aerosol generation chamber 2, aerosol
Connecting tube 7 is connected between room 8 and aerosol generation chamber 2, the first pipeline 26, gas are connected between test tube 29 and aerosol generation chamber 2
Colloidal sol occurs to connect positive pressure pipeline 3 on room 2, and 8 bottom of aerosol room sets discharge outlet 12, and the first valve is set in discharge outlet 12
13, babinet 1 is interior to set vibrator 24, and test tube flat 28 is set on vibrator 24, several mounting holes, test tube 29 are opened up on test tube flat 28
It is fitted in mounting hole, the second pipeline 27 is connected between test tube 29 and aerosol generation chamber 2, is set on the second pipeline 27 compacted
Dynamic pump 25.This structure before detection, is first inserted mask to be measured in detection cover 15, the both sides of mask to be measured are respectively air inlet pipe
16 and first air outlet pipe 14, load bacterium solution in test tube 29, room is occurred into for the bacterium solution Inhaled Aerosol in test tube 29 in positive pressure pipeline 3
In 2, bacterium solution is atomized by aerosol generation chamber 2, and the bacterium solution after atomization enters detection through 8 and first air outlet pipe 14 of aerosol room and covers
15, the first Andersen sampler 17 aspirates detection cover 15 under the action of the first negative pressure line 18, by air inlet pipe 16,
The first Andersen sampler 17 is sucked so as to will transmit through the gas of mask to be measured, in order to which culture of the later stage to bacterium is in order to bacterium
It is clear, so that convenience is directly perceived and accurately detects the resistance bacterium performance of mask.Vibrator 24 is easy to the atomization of bacterium solution.Peristaltic pump
The 25 convenient bacterium solutions by test tube 29 are sent into aerosol generation chamber 2.Breathing circuit filter can be mask, Anti-haze mask etc.,
Preferably mask.
Tonifying Qi pipeline 8 is connected on the aerosol room 8.This structure can into aerosol room 8 make-up gas, be easy to
Bacterium solution after conveying atomization.
Second Andersen sampler 20, the second Andersen sampler 20 and 8 bottom of aerosol room are set in the babinet 1
Between connect the second air outlet pipe 19, the second negative pressure line 21 is connected on the second Andersen sampler 20.This structure can pass through
Second Andersen sampler 20 is collected detection to the bacterium solution quantity filtered without mask to be measured, in order to intuitively with treating
The resistance bacterium performance for surveying mask produces contrast.
The aerosol generation chamber 2 and vibrator 24 is three, three aerosol generation chamber 2 and aerosol room 8 it
Between connected by three connecting tubes 7, the second valve 5 is respectively provided with each connecting tube 7.This structure can be continual to mask
It is detected.
For the ease of finding bacterium solution leakage in time, and easy to be controlled to the temperature in babinet 1, as shown in figure 3, institute
1 side of babinet stated sets vertical track 30, and be slidably installed trolley 31 on track 30, and the top of babinet 1 sets electronic winding roller
32, drawstring 33 is wound on electronic winding roller 32, one end of drawstring 33 is connected with trolley 31, installs camera 34 on trolley 31 respectively
With Temperature Humidity Sensor 35,1 opposite side of babinet sets vertical headlamp 36, and 1 top of babinet sets audible-visual annunciator 37, acousto-optic
Alarm 37 is connected with Temperature Humidity Sensor 35 by conducting wire.This structure can sense babinet 1 by Temperature Humidity Sensor 35
Interior humidity, it is convenient to find bacterium solution leakage, and easy to be controlled to the temperature in babinet 1, in order to make the temperature in babinet 1
Degree is adapted to the survival of bacterium, and camera 34 can shoot the component in babinet 1, in order to the reality to the component in babinet 1
When situation understood, can either find to reveal, and it can be found that component operation conditions.Headlamp 36 can play the work of light filling
With, facilitate camera 34 to shoot, audible-visual annunciator 37 can after Temperature Humidity Sensor 35 notes abnormalities and alarm, in order to
People have found in time.
The embodiment of the present invention is described above in association with attached drawing, but these explanations cannot be understood to limit
The scope of the present invention, the technology contents of the not detailed description of the present invention are known technology.
Claims (5)
1. breathing circuit filter bacterial virus filter efficiency tester, it is characterised in that：Including babinet（1）, babinet（1）Inside set respectively
Put aerosol room（8）, test tube（29）, the first Andersen sampler（17）With closed detection cover（15）, babinet（1）Set on side wall
Put clip（22）, clip（22）By aerosol room（8）It is fixed on babinet（1）Middle part, aerosol room（8）Bottom connects the first outlet
Pipe（14）One end, the first air outlet pipe（14）The other end with detection cover（15）Upper end connection, the first Andersen sampler
（17）Air inlet connection air inlet pipe（16）One end, air inlet pipe（16）The other end with detection cover（15）Lower end connection, inspection
Survey cover（15）The surrounding of mask can be compressed, the first Andersen sampler（17）Gas outlet connect the first negative pressure line
（18）, aerosol room（8）Top sets aerosol generation chamber（2）, aerosol room（8）With aerosol generation chamber（2）Between connect
Connecting tube（7）, test tube（29）With aerosol generation chamber（2）Between connect the first pipeline（26）, aerosol generation chamber（2）Upper connection
Positive pressure pipeline（3）, aerosol room（8）Bottom sets discharge outlet（12）, discharge outlet（12）The first valve of upper setting（13）, babinet
（1）Interior setting vibrator（24）, vibrator（24）Upper setting test tube flat（28）, test tube flat（28）On open up several mounting holes, try
Pipe（29）It is fitted in mounting hole, test tube（29）With aerosol generation chamber（2）Between connect the second pipeline（27）, the second pipe
Road（27）Upper setting peristaltic pump（25）.
2. breathing circuit filter bacterial virus filter efficiency tester as claimed in claim 1, it is characterised in that：The gas is molten
Glue room（8）Upper connection tonifying Qi pipeline（8）.
3. breathing circuit filter bacterial virus filter efficiency tester as claimed in claim 1, it is characterised in that：The babinet
（1）The second Andersen sampler of interior setting（20）, the second Andersen sampler（20）With aerosol room（8）Is connected between bottom
Two air outlet pipes（19）, the second Andersen sampler（20）The second negative pressure line of upper connection（21）.
4. breathing circuit filter bacterial virus filter efficiency tester as claimed in claim 1, it is characterised in that：The gas is molten
Room occurs for glue（2）And vibrator（24）It is three, three aerosol generation chamber（2）With aerosol room（8）Between pass through three
Connecting tube（7）Connection, each connecting tube（7）On be respectively provided with the second valve（5）.
5. breathing circuit filter bacterial virus filter efficiency tester as claimed in claim 1, it is characterised in that：The babinet
（1）Side sets vertical track（30）, track（30）On be slidably installed trolley（31）, babinet（1）Top sets electronic coiling
Roller（32）, electronic winding roller（32）Upper winding drawstring（33）, drawstring（33）One end and trolley（31）Connection, trolley（31）Upper point
Camera is not installed（34）And Temperature Humidity Sensor（35）, babinet（1）Opposite side sets vertical headlamp（36）, babinet（1）
Top sets audible-visual annunciator（37）, audible-visual annunciator（37）With Temperature Humidity Sensor（35）Connected by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394941.8A CN108037058A (en) | 2017-12-21 | 2017-12-21 | Breathing circuit filter bacterial virus filter efficiency tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394941.8A CN108037058A (en) | 2017-12-21 | 2017-12-21 | Breathing circuit filter bacterial virus filter efficiency tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108037058A true CN108037058A (en) | 2018-05-15 |
Family
ID=62100414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711394941.8A Pending CN108037058A (en) | 2017-12-21 | 2017-12-21 | Breathing circuit filter bacterial virus filter efficiency tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108037058A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272638A (en) * | 2020-03-29 | 2020-06-12 | 复旦大学 | Testing device and method for evaluating filtering efficiency of new coronavirus protective mask |
| CN113029912A (en) * | 2021-04-12 | 2021-06-25 | 常熟迈得医疗器械技术服务有限公司 | Bacterial virus filtration efficiency tester and operation method thereof |
| CN114459981A (en) * | 2021-12-22 | 2022-05-10 | 河北省药品医疗器械检验研究院(河北省化妆品检验研究中心) | Method for detecting bacteria filtering efficiency of mask |
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|---|---|---|---|---|
| CN101131345A (en) * | 2006-09-22 | 2008-02-27 | 北京清能创新科技有限公司 | Detecting method for mask filtration efficiency and resistance |
| CN101299037A (en) * | 2008-06-13 | 2008-11-05 | 中国人民解放军军事医学科学院卫生装备研究所 | Device and method for testing filtration efficiency of biologic aerosol for filtering or separating material |
| CN101629892A (en) * | 2009-08-20 | 2010-01-20 | 青岛众瑞智能仪器有限公司 | Filtering efficiency detector of air filter materials |
| CN104634717A (en) * | 2015-02-12 | 2015-05-20 | 同济大学 | Microorganism aerosol filter material detection device and application method thereof |
| CN204654843U (en) * | 2015-05-21 | 2015-09-23 | 天津飞宇幕墙装饰工程有限公司 | A kind of high-rise purging system of Multifunction external wall |
| 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 |
| CN206399746U (en) * | 2016-12-16 | 2017-08-11 | 建湖县产品质量监督检验所 | A kind of high-low temperature test chamber tested for PR2 gate valves and casing head |
| CN207866669U (en) * | 2017-12-21 | 2018-09-14 | 山东省医疗器械产品质量检验中心 | Breathing circuit filter bacterial virus filter efficiency tester |
-
2017
- 2017-12-21 CN CN201711394941.8A patent/CN108037058A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131345A (en) * | 2006-09-22 | 2008-02-27 | 北京清能创新科技有限公司 | Detecting method for mask filtration efficiency and resistance |
| CN101299037A (en) * | 2008-06-13 | 2008-11-05 | 中国人民解放军军事医学科学院卫生装备研究所 | Device and method for testing filtration efficiency of biologic aerosol for filtering or separating material |
| CN101629892A (en) * | 2009-08-20 | 2010-01-20 | 青岛众瑞智能仪器有限公司 | Filtering efficiency detector of air filter materials |
| CN104634717A (en) * | 2015-02-12 | 2015-05-20 | 同济大学 | Microorganism aerosol filter material detection device and application method thereof |
| CN204654843U (en) * | 2015-05-21 | 2015-09-23 | 天津飞宇幕墙装饰工程有限公司 | A kind of high-rise purging system of Multifunction external wall |
| 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 |
| CN206399746U (en) * | 2016-12-16 | 2017-08-11 | 建湖县产品质量监督检验所 | A kind of high-low temperature test chamber tested for PR2 gate valves and casing head |
| CN207866669U (en) * | 2017-12-21 | 2018-09-14 | 山东省医疗器械产品质量检验中心 | Breathing circuit filter bacterial virus filter efficiency tester |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272638A (en) * | 2020-03-29 | 2020-06-12 | 复旦大学 | Testing device and method for evaluating filtering efficiency of new coronavirus protective mask |
| CN111272638B (en) * | 2020-03-29 | 2024-04-26 | 复旦大学 | Testing device and method for evaluating filtering efficiency of novel coronavirus protective mask |
| CN113029912A (en) * | 2021-04-12 | 2021-06-25 | 常熟迈得医疗器械技术服务有限公司 | Bacterial virus filtration efficiency tester and operation method thereof |
| CN113029912B (en) * | 2021-04-12 | 2023-03-14 | 常熟迈得医疗器械技术服务有限公司 | Bacterial virus filtration efficiency tester and operation method thereof |
| CN114459981A (en) * | 2021-12-22 | 2022-05-10 | 河北省药品医疗器械检验研究院(河北省化妆品检验研究中心) | Method for detecting bacteria filtering efficiency of mask |
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