CN102101062B - Aerosol microenvironment enclosed cabin for aerosol experiment - Google Patents
Aerosol microenvironment enclosed cabin for aerosol experiment Download PDFInfo
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- CN102101062B CN102101062B CN 201010568345 CN201010568345A CN102101062B CN 102101062 B CN102101062 B CN 102101062B CN 201010568345 CN201010568345 CN 201010568345 CN 201010568345 A CN201010568345 A CN 201010568345A CN 102101062 B CN102101062 B CN 102101062B
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Abstract
The invention discloses an aerosol microenvironment enclosed cabin which comprises a cabin body and a pneumatic device, wherein the wall of the cabin body is provided with an air exhaust hole and an air inlet, and the pneumatic device is arranged outside the cabin body and used for acquiring an air source to enable air in the cabin body to flow. The invention can be used for researching chemical and physical functions of pest aerosol, infection route of the pest aerosol, and infected and diffusion processes and diffusion distribution of normal organisms, and can be applied to life and medicine science researches of research and development institutions, such as colleges and universities, scientific research institutions, biomedicine epidemic prevention, test and quarantine systems and the like.
Description
Technical field
The present invention relates to a kind of aerosol microenvironment enclosed cabin, particularly a kind of aerosol microenvironment enclosed cabin for aerosol experiment.
Background technology
Aerosol refers to be suspended in solid or the liquid molecule in the atmosphere, and particle diameter is generally the 0.001-100 micron.When aerosol concentration reaches enough high, will threaten to human health, especially asthma patient and other there are the crowd of respiratory disorder.Along with the raising of people's living standard, because the various diseases that the aerosol that the sandstorm that causes of ecological deterioration, air pollution etc. bring causes obtains the attention of more and more national, and also be one of problem of paying close attention to the most of every country to aerocolloidal research.
Aerosol is a widely used frontier branch of science, be not that a certain door subject is proprietary, study aerosol, be unable to do without aerosol generation and sampling, but in aerocolloidal generation and sampling process, avoid aerosol to the pollution of surrounding environment, just need an airtight microenvironment that is used for aerosol generation diffusion, the uniformity that keeps aerosol concentration to distribute, concerning bioaerosol, can provide enough damp conditions, keep the activity of biomone, and have self-purification function, keep experimental situation interference-free.
Summary of the invention
The object of the present invention is to provide a kind of aerosol microenvironment enclosed cabin for aerosol experiment.
Aerosol microenvironment enclosed cabin provided by the invention, comprise that wall is provided with the cabin body of an exhaust outlet (being the first row air port) and an air inlet (i.e. the first air inlet), wherein microenvironment closed in space comprises that also being arranged on external being used in cabin gathers the aerodynamic device that wind regime makes gas flow in the body of cabin.This aerodynamic device can guarantee the stability of gas microenvironment in the body of cabin.
The above-mentioned gas power set can be self-loopa supply and exhaust device and/or independent air exhausting device.
Above-mentioned self-loopa supply and exhaust device comprises:
Vavuum pump, the two ends of described vavuum pump are connected with described exhaust outlet and described air inlet by pipeline respectively;
Be successively set on air velocity transducer, electric control valve, high efficiency particulate air filter and the first airtight valve A on the pipeline between described exhaust outlet and the described vavuum pump;
And be arranged on the first airtight valve B on the pipeline between described vavuum pump and the described air inlet.
Vavuum pump in this self-loopa supply and exhaust device can be extracted the gas in the body of cabin out from the said exhaust mouth, air velocity transducer can detect the wind speed that flows out from the said exhaust mouth automatically, electric control valve can be regulated automatically according to the wind speed that air velocity transducer records the flow of gas in pipelines, guarantees that the airflow circulating state meets the setting demand of different experiments; High efficiency particulate air filter can carry out filtration sterilization with effluent air, and to meet the requirement of experiment, the first airtight valve A and the first airtight valve B are as the gauge tap of air-flow.
Also be respectively equipped with second row air port and the second air inlet on the sidewall of above-mentioned cabin body; Described independent air exhausting device comprises:
The second vavuum pump, an end of described the second vavuum pump is connected with described second row air port by pipeline, and the other end is by the pipeline communication ambient atmosphere;
Be successively set on the second air velocity transducer, the second electric control valve, the second high efficiency particulate air filter and the second airtight valve A on the pipeline between described second row air port and described the second vavuum pump;
Be arranged on the second airtight valve B on the described pipeline that is communicated with ambient atmosphere;
And by the pressure fan of described the second air inlet toward the interior air-supply of described cabin body.
Vavuum pump in this independent air exhausting device, air velocity transducer, the effect of above-mentioned each equipment in the effect of electric control valve and each equipment of high efficiency particulate air filter and the above-mentioned self-loopa supply and exhaust device is consistent, but described independent air exhausting device is by the pressure fan in the body of cabin ambient atmos to be sent into the cabin body by the second air inlet, then again the gas in the body of cabin is extracted out from the second row air port by the second vavuum pump effect, successively through the second air velocity transducer, the second electric control valve, the effect of the second high efficiency particulate air filter and gauge tap the second airtight valve A, flow through at last the second vavuum pump and gauge tap the second airtight valve B are to the ambient atmosphere Exhaust Gas.
Be saving equipment, the second vavuum pump described in the vavuum pump of above-mentioned self-loopa supply and exhaust device and the above-mentioned independent air exhausting device is same vavuum pump.
For guaranteeing to send into the clean level of gas, at above-mentioned the second air inlet place high efficiency particle air filter is installed.
Be provided with Temperature Humidity Sensor in the body of above-mentioned cabin, described cabin body is interior or outer also to be provided with for receiving the humidifier of Temperature Humidity Sensor signal to gas humidification in the body of cabin.But the temperature and humidity in the body of Temperature Humidity Sensor Real-Time Monitoring cabin, thereby more directly perceived, accurate.Humidifier can carry out humidification to the air in the body of cabin according to the temperature and humidity model that receives, and satisfies the experiment demand of setting to guarantee the gas humidity in the body of cabin.
For the cabin body is sterilized, keep the germ-free condition in controlled operation district, be provided with uviol lamp in the body of above-mentioned cabin.
Body bottom, above-mentioned cabin is equipped be used to making the fan that gas uniform flows in the body of cabin.
The hatch door place of above-mentioned cabin body is provided with the sealing dottle pin; Described aerodynamic device can be arranged in the casing.The sealing dottle pin can guarantee good air-tightness, has further guaranteed the internal environment state in cabin; And casing can play preferably protective effect to described aerodynamic device.
The present invention in use, when starting self-loopa supply and exhaust device: open electric control valve and gauge tap the first airtight valve A, the first airtight valve B, under the effect of vavuum pump, gas in the body of cabin is extracted out by the first row air port, through air velocity transducer, electric control valve, high efficiency particulate air filter and the first airtight valve A, sent back in the body of cabin by pipeline through the first airtight valve B by the vavuum pump effluent air;
When starting independent air exhausting device: open the second electric control valve and gauge tap the second airtight valve A, the second airtight valve B, under the effect of vavuum pump and pressure fan, just ambient atmos is sent into the cabin body by the second air inlet first, then again the gas in the body of cabin is extracted out from the second row air port, successively through the effect of the second air velocity transducer, the second electric control valve, the second high efficiency particulate air filter and gauge tap the second airtight valve A, flowed out by vavuum pump at last, process gauge tap the second airtight valve B is to the ambient atmosphere Exhaust Gas.
Self-loopa supply and exhaust device among the present invention can be distinguished separately use with independent air exhausting device, also can according to circumstances be combined with.
For easy to operate, flexibly, the present invention can adopt relative humidity and the temperature in the touch intelligent controller control cabinet body.
Microenvironment of the present invention closed in space can adopt the stainless steel material preparation fully, thereby it is well antibiotic, corrosion-resistant that the present invention is had, acid-proof alkaline, and observing for the ease of vision, make the good visuality of its tool, is that the front, workspace can be equipped with door made of tempered glass in the subregion of cabin body.
Humidifier among the present invention can adopt ultrasonic humidifier, can guarantee that the humidity in the cabin is adjustable between 30%-90%.
The present invention can be used for aerosol exposure experiment under the negative pressure state, can adopt intelligent control device, a standardization is provided, can manually operated experimental situation, 3 D stereo air-supply and return air are processed through filtration, purification, so that whole working region is in germ-free condition, but the temperature and humidity in the body of Real Time Monitoring cabin has guaranteed the environment of required experiment better.
The present invention can guarantee the true of the stable stability of aerosol concentration and the level of tiring effectively when being used for experiment, can be used for the infected and diffusion process research of harmful aerocolloidal chemistry, physics research on function and the harmful organism aerosol routes of infection and normal living organism; And can simulated experiment on-the-spot harmful aerosol concentration is to crowd cause a disease Mathematical Modeling and the multiple technologies parameter of soakage, provides necessary experimental data and technical support to further research and development the crowd is dense place and the instant detection that improves BSL-3, the harmful aerosol scene of BSL-4 biocontainment laboratory.
In the life of the R﹠D institutions such as the atmospheric aerosol research department of institution of higher learning, scientific research institution and biomedical epidemic prevention, check, quarantine system, medical science research, all can use.
Description of drawings
Fig. 1 is the structural representation of aerocolloidal microenvironment of the present invention closed in space.
Fig. 2 is the workflow diagram of aerocolloidal microenvironment of the present invention closed in space.
Figure number explanation: 1 cabin body, 2 casings, 3 self-loopa supply and exhaust devices, 4 independent air exhausting devices, 11 first row air ports, 12 first air inlets, 13 second row air ports, 14 second air inlets, 15 pressure fans, 16 Temperature Humidity Sensors, 17 uviol lamps, 18 fans, 19 sealing dottle pins, 110 air cleaners, 31 air velocity transducers, 32 electric control valves, 33 high efficiency particulate air filters, 34 first airtight valve A, 35 vavuum pumps, 36 first airtight valve B, 41 second air velocity transducers, 42 second electric control valves, 43 second high efficiency particulate air filters, 44 second airtight valve A, 45 second airtight valve B, 5 humidifiers.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention is not limited to following examples.
Among the following embodiment, if no special instructions, be conventional method.
Embodiment 1
As shown in Figure 1, a kind of aerocolloidal microenvironment closed in space comprises cabin body 1, casing 2 and is arranged on external being used in cabin gathering the aerodynamic device that wind regime makes gas flow in the body of cabin.
One distolateral wall of cabin body 1 is provided with two exhaust outlets, be respectively first row air port 11 and second row air port 13, other end sidewall is provided with an air inlet (i.e. the second air inlet) 14, upper end wall is provided with another air inlet (i.e. the first air inlet) 12, and above-mentioned the second air inlet 14 places are equipped with air cleaner 110.Be provided with Temperature Humidity Sensor 16 in the above-mentioned cabin body 1, cabin body 1 outer also being provided with for receiving the humidifier 5 of Temperature Humidity Sensor 16 signals to gas humidification in the body of cabin.For ease of to 1 sterilization of cabin body, keep the gnotobasis in the cabin body 1, in cabin body 1, also be provided with uviol lamp 17; Be equipped with in cabin body 1 bottom be used to the fan 18 that body 1 interior gas uniform in cabin is flowed simultaneously.For guaranteeing that cabin body 1 has good air-tightness, the hatch door place of cabin body 1 has additional sealing dottle pin 19.
The above-mentioned gas power set are self-loopa supply and exhaust device 3 and independent air exhausting device 4, and this aerodynamic device is arranged in the casing 1, and namely self-loopa supply and exhaust device 3 and independent air exhausting device 4 all are arranged in the casing 1.Body 1 outer humidifier 5 in above-mentioned cabin also can be arranged in the casing 1.Casing can play a very good protection to self-loopa supply and exhaust device 3, independent air exhausting device 4 and humidifier 5.Above-mentioned self-loopa supply and exhaust device 3 comprises: a vavuum pump 35, the two ends of vavuum pump 35 are connected with first row air port 11 and the first air inlet 12 by pipeline respectively; Be successively set on air velocity transducer 31, electric control valve 32, high efficiency particulate air filter 33 and the first airtight valve A 34 on the pipeline between first row air port 11 and the vavuum pump 35; And be arranged on the first airtight valve B 36 on the pipeline between vavuum pump 35 and the first air inlet 12; Above-mentioned independent air exhausting device 4 comprises: a vavuum pump, and the vavuum pump in this vavuum pump and the self-loopa supply and exhaust device 3 is same vavuum pump 35, and an end of this vavuum pump 35 is connected with second row air port 13 by pipeline, and the other end is by the pipeline communication ambient atmosphere; Be successively set on the second air velocity transducer 41, the second electric control valve 42, the second high efficiency particulate air filter 43 and the second airtight valve A44 on the pipeline between second row air port 13 and the vavuum pump 35; Be arranged on pipeline that ambient atmosphere is communicated with on the second airtight valve B 45; And by the pressure fan 15 of the second air inlet 14 toward cabin body 1 interior air-supply.
As shown in Figure 2, the aerocolloidal microenvironment of the present invention closed in space in use, when starting self-loopa supply and exhaust device 3, air exhausting device 4 can be in closed condition separately, namely opening electric control valve 32 and gauge tap the first airtight valve A 34, the second electric control valve 42 and gauge tap the second airtight valve A 44 in the time of the first airtight valve B 36, the second airtight valve B 45 is in closed condition, this moment is under the effect of vavuum pump 35, gas in the cabin body 1 is extracted out by first row air port 11, through air velocity transducer 31, electric control valve 32, high efficiency particulate air filter 33 and the first airtight valve A 34 are sent back in the cabin body 1 by pipeline through the first airtight valve B 36 by vavuum pump 35 effluent airs; Namely finish the cyclic process of air-flow.When starting independent air exhausting device 4, self-loopa supply and exhaust device 3 also can be in closed condition, namely opening the second electric control valve 42 and gauge tap the second airtight valve A 44, electric control valve 32 and gauge tap the first airtight valve A 34 in the time of the second airtight valve B 45, the first airtight valve B 36 is in closed condition, this moment is under the effect of vavuum pump 35 and pressure fan 15, first ambient atmos is sent in the cabin body 1 by the second air inlet 14, then again with 13 extractions from the second row air port of the gas in the cabin body 1, successively through the second air velocity transducer 41, the second electric control valve 42, the effect of the second high efficiency particulate air filter 43 and gauge tap the second airtight valve A44, flowed out by vavuum pump 35 at last, to the ambient atmosphere Exhaust Gas, namely finish exhaust process through gauge tap the second airtight valve B 45.
But the wind speed of the air velocity transducer Real Time Monitoring air-flow in the aerodynamic device of the present invention, and electric control valve be analog regulating valve can be according to the required wind speed of detection Data Control of air velocity transducer, guarantee the exhaust air rate adjustability.
Because self-loopa supply and exhaust device and separately air exhausting device setting by the self-loopa of the air-flow in the cabin and the independent air draft inside and outside the cabin, have been guaranteed the gaseous state of cabin body microenvironment, can satisfy the various requirement of aerosol experiment condition.
The embodiment of the above is one of case study on implementation of the present invention, is not to limit practical range of the present invention with this, therefore the equivalence that all shapes according to the present invention, structure and principle are done changes, all should be encompassed in protection scope of the present invention.
Claims (7)
1. aerocolloidal microenvironment closed in space, comprise that wall is provided with the cabin body of an exhaust outlet and an air inlet, is characterized in that: described microenvironment closed in space comprises that also being arranged on external being used in described cabin gathers the aerodynamic device that wind regime makes gas flow in the body of cabin;
Described aerodynamic device is self-loopa supply and exhaust device and independent air exhausting device;
Described self-loopa supply and exhaust device comprises:
One vavuum pump, the two ends of described vavuum pump are connected with described exhaust outlet and described air inlet by pipeline respectively;
Be successively set on air velocity transducer, electric control valve, high efficiency particulate air filter and the first airtight valve A on the pipeline between described exhaust outlet and the described vavuum pump;
And be arranged on the first airtight valve B on the pipeline between described vavuum pump and the described air inlet;
Also be respectively equipped with second row air port and the second air inlet on the sidewall of described cabin body; Described independent air exhausting device comprises:
The second vavuum pump, an end of described the second vavuum pump is connected with described second row air port by pipeline, and the other end is by the pipeline communication ambient atmosphere;
Be successively set on the second air velocity transducer, the second electric control valve, the second high efficiency particulate air filter and the second airtight valve A on the pipeline between described second row air port and described the second vavuum pump;
Be arranged on the second airtight valve B on the described pipeline that is communicated with ambient atmosphere;
And by the pressure fan of described the second air inlet toward the interior air-supply of described cabin body.
2. microenvironment according to claim 1 closed in space, it is characterized in that: the second vavuum pump is same vavuum pump described in the vavuum pump in the described self-loopa supply and exhaust device and the described independent air exhausting device.
3. microenvironment according to claim 1 and 2 closed in space, it is characterized in that: described the second air inlet place is equipped with air cleaner.
4. microenvironment according to claim 1 and 2 closed in space is characterized in that: be provided with Temperature Humidity Sensor in the body of described cabin, in the body of described cabin or also is provided with for receiving the humidifier of Temperature Humidity Sensor signal to gas humidification in the body of cabin outward.
5. microenvironment according to claim 1 and 2 closed in space is characterized in that: be provided with uviol lamp in the body of described cabin.
6. microenvironment according to claim 1 and 2 closed in space, it is characterized in that: body bottom in described cabin is equipped be used to making the fan that gas uniform flows in the body of cabin.
7. microenvironment according to claim 1 and 2 closed in space, it is characterized in that: the hatch door place of described cabin body is provided with the sealing dottle pin; Described aerodynamic device is arranged in the casing.
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| CN106769811A (en) * | 2017-01-16 | 2017-05-31 | 北京大学 | A kind of air microbe tests consersion unit and application |
| CN108668998A (en) * | 2018-04-20 | 2018-10-19 | 中国人民解放军军事科学院军事医学研究院 | Staphylococcal enterotoxin B aerosol lung delivers the preparation method of infecting mouse model |
| ES2918257B2 (en) * | 2022-03-28 | 2024-05-03 | Garcia Gallardo Sanz Prospero | Low pressure chamber for testing an aerosol treatment device |
| CN115737326B (en) * | 2022-11-11 | 2023-07-18 | 北京中科心研科技有限公司 | Claustrophobic environment simulating claustrophobic cabin closing device and multi-mode evaluation method |
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