CN207866669U - Breathing circuit filter bacterial virus filter efficiency tester - Google Patents
Breathing circuit filter bacterial virus filter efficiency tester Download PDFInfo
- Publication number
- CN207866669U CN207866669U CN201721802995.9U CN201721802995U CN207866669U CN 207866669 U CN207866669 U CN 207866669U CN 201721802995 U CN201721802995 U CN 201721802995U CN 207866669 U CN207866669 U CN 207866669U
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- babinet
- aerosol
- room
- air inlet
- breathing circuit
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Abstract
Breathing circuit filter bacterial virus filter efficiency tester, including babinet, aerosol room, test tube, the first Andersen sampler and closed detection cover are respectively set 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 escape pipe, and the other end of the first escape pipe is connected to 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 to the lower end of detection cover.The utility model has the beneficial effects that can be aspirated to detection cover by air inlet pipe, gas to will transmit through mask to be measured sucks the first Andersen sampler, in order to which the later stage is clear in order to bacterium to the culture of bacterium, to resistance bacterium performance that is convenient intuitive and accurately detecting mask.
Description
Technical field
The utility model is related to a kind of test devices, especially breathing circuit filter bacterial virus filter efficiency tester.
Background technology
Existing mask need to meet resistance bacterium performance（That is bacterial virus filter efficiency）Test can use, and at present not
The instrument of bacterium property is hindered with special detection mask, 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.
Utility model content
The purpose of this utility model is to provide the breathing circuit filter bacterial viruses that bacterium performance is hindered dedicated for detection mask
Filter efficiency tester, testing result are accurate.
Technical solution adopted by the utility model to solve its technical problems is：Breathing circuit filter bacterial virus filter efficiency
Aerosol room, test tube, the first Andersen sampler and closed detection cover, case is respectively set in babinet in tester, including babinet
Clip is set on body sidewall, and aerosol room is fixed in the middle part of babinet by clip, and aerosol room bottom connects the one of the first escape pipe
The other end at end, the first escape pipe is connected to the upper end of detection cover, the air inlet connection air inlet pipe of the first Andersen sampler
The other end of one end, air inlet pipe is connected to the lower end of detection cover, and detection cover can compress the surrounding of mask, and the first Anderson is adopted
The gas outlet of sample device connects the first negative pressure line, and aerosol generation chamber is arranged in aerosol room top, and aerosol room is sent out with aerosol
It is connected to connecting tube between raw room, the first pipeline is connected between test tube and aerosol generation chamber, positive pressure is connected in aerosol generation chamber
Discharge outlet is arranged in pipeline, aerosol room bottom, and the first valve is arranged in discharge outlet, vibrator is arranged in babinet, is set on vibrator
Test tube flat is set, several mounting holes are opened up on test tube flat, test tube is fitted in mounting hole, between test tube and aerosol generation chamber
It is connected to the second pipeline, peristaltic pump is set on the second pipeline.
The utility model in order to further solve its technical problem used by technical solution be：On the aerosol room
Connect tonifying Qi pipeline.Second Andersen sampler, the second Andersen sampler and aerosol room bottom are set in the babinet
Between be connected to the second escape pipe, the second negative pressure line is connected on the second Andersen sampler.It the aerosol generation chamber and shakes
Dynamic device is three, is connected by three connecting tubes between three aerosol generation chamber and aerosol room, in each connecting tube
Second valve is set.Vertical track is arranged in the babinet side, and be slidably installed trolley on track, and top of the box setting is electronic
Winding roller winds drawstring on electronic winding roller, and one end of drawstring is connect with trolley, installs camera and humiture on trolley respectively
Vertical headlamp is arranged in sensor, the babinet other side, and audible-visual annunciator is arranged in babinet top, and audible-visual annunciator is passed with humiture
Sensor is connected by conducting wire.
The utility model has the beneficial effects that：Mask to be measured before detection, is first placed in detection cover, waits for by the utility model
The both sides for surveying mask are respectively air inlet pipe and the first escape pipe, and bacterium solution is packed into test tube, in positive pressure pipeline by invisible spectro bacterium solution
Interior occurs for Inhaled Aerosol, and bacterium solution is atomized by aerosol generation chamber, and the bacterium solution after atomization is through aerosol room and the first escape pipe
It being covered into detection, the first Andersen sampler aspirates detection cover under the action of the first negative pressure line, by air inlet pipe,
Gas to will transmit through mask to be measured sucks the first Andersen sampler, in order to which the later stage is to culture the showing in order to bacterium of bacterium
Change, to resistance bacterium performance that is convenient intuitive and accurately detecting mask.
Description of the drawings：
Fig. 1 is the utility model structure diagram；Fig. 2 is the stereogram of Fig. 1；Fig. 3 is the utility model another kind structure
Schematic diagram.
Specific implementation mode
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 escape pipe 14 of 8 bottom of aerosol room connection, and first
The other end of escape pipe 14 is connected to the upper end of detection cover 15, the air inlet connection air inlet pipe 16 of the first Andersen sampler 17
The other end of one end, air inlet pipe 16 is connected to 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 of moral 17 connects the first negative pressure line 18, and aerosol generation chamber 2, aerosol is arranged in 8 top of aerosol room
It is connected to connecting tube 7 between room 8 and aerosol generation chamber 2, the first pipeline 26, gas are connected between test tube 29 and aerosol generation chamber 2
Connection positive pressure pipeline 3 on room 2 occurs for colloidal sol, and 8 bottom of aerosol room is arranged discharge outlet 12, the first valve is arranged in discharge outlet 12
13, babinet 1 is interior to be arranged vibrator 24, and test tube flat 28 is arranged 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 arranged on the second pipeline 27 compacted
Dynamic pump 25.Mask to be measured before detection, is first placed in detection cover 15, the both sides of mask to be measured are respectively air inlet pipe by this structure
16 and first escape pipe 14, bacterium solution is packed into test tube 29, and 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 aerosol room 8 and the first escape pipe 14 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,
To will transmit through mask to be measured gas suck the first Andersen sampler 17, in order to the later stage to the culture of bacterium in order to bacterium
It is clear, to resistance bacterium performance that is convenient intuitive and accurately detecting mask.Vibrator 24 is convenient for the atomization of bacterium solution.Peristaltic pump
25 facilitate bacterium solution in 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 9 is connected on the aerosol room 8.This structure can into aerosol room 8 make-up gas, be convenient for
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 be connected to the second escape 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 wait for
The resistance bacterium performance for surveying mask generates comparison.
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, be respectively provided with the second valve 5 in each connecting tube 7.This structure can be continual to mask
It is detected.
For the ease of finding that bacterium solution is revealed in time, and convenient for controlling the temperature in babinet 1, as shown in figure 3, institute
Vertical track 30 is arranged in 1 side of babinet stated, and be slidably installed trolley 31 on track 30, and electronic winding roller is arranged in 1 top of babinet
32, drawstring 33 is wound on electronic winding roller 32, one end of drawstring 33 is connect with trolley 31, installs camera 34 on trolley 31 respectively
With Temperature Humidity Sensor 35, vertical headlamp 36 is arranged in 1 other side of babinet, and audible-visual annunciator 37, acousto-optic is arranged in 1 top of babinet
Alarm 37 is connect with Temperature Humidity Sensor 35 by conducting wire.This structure can incude babinet 1 by Temperature Humidity Sensor 35
Interior humidity facilitates and finds bacterium solution leakage, and convenient for controlling the temperature in babinet 1, in order to make the temperature in babinet 1
Degree is suitble 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.
Specific embodiment of the present utility model is described above in association with attached drawing, but these explanations cannot be understood to
The scope of the utility model is limited, the technology contents of the not detailed description of the utility model 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
Set aerosol room（8）, test tube（29）, the first Andersen sampler（17）With closed detection cover（15）, babinet（1）It is set on side wall
Set 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 escape pipe（14）The other end with detection cover（15）Upper end connection, the first Andersen sampler
（17）Air inlet connect 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）Aerosol generation chamber is arranged in top（2）, aerosol room（8）With aerosol generation chamber（2）Between be connected to
Connecting tube（7）, test tube（29）With aerosol generation chamber（2）Between be connected to the first pipeline（26）, aerosol generation chamber（2）Upper connection
Positive pressure pipeline（3）, aerosol room（8）Discharge outlet is arranged in bottom（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 be connected to the second pipeline（27）, the second pipe
Road（27）Upper setting peristaltic pump（25）.
2. breathing circuit filter bacterial virus filter efficiency tester as described in claim 1, it is characterised in that：The gas is molten
Glue room（8）Upper connection tonifying Qi pipeline（9）.
3. breathing circuit filter bacterial virus filter efficiency tester as described 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 escape 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 described 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 described in claim 1, it is characterised in that：The babinet
（1）Vertical track is arranged in side（30）, track（30）On be slidably installed trolley（31）, babinet（1）Electronic coiling is arranged in top
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）Vertical headlamp is arranged in the other side（36）, babinet（1）
Audible-visual annunciator is arranged in top（37）, audible-visual annunciator（37）With Temperature Humidity Sensor（35）It is connected by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802995.9U CN207866669U (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 |
|---|---|---|---|
| CN201721802995.9U CN207866669U (en) | 2017-12-21 | 2017-12-21 | Breathing circuit filter bacterial virus filter efficiency tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866669U true CN207866669U (en) | 2018-09-14 |
Family
ID=63465710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802995.9U Active CN207866669U (en) | 2017-12-21 | 2017-12-21 | Breathing circuit filter bacterial virus filter efficiency tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207866669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037058A (en) * | 2017-12-21 | 2018-05-15 | 山东省医疗器械产品质量检验中心 | Breathing circuit filter bacterial virus filter efficiency tester |
| 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 |
-
2017
- 2017-12-21 CN CN201721802995.9U patent/CN207866669U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037058A (en) * | 2017-12-21 | 2018-05-15 | 山东省医疗器械产品质量检验中心 | Breathing circuit filter bacterial virus filter efficiency tester |
| 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 |
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