CN2760541Y - Aerosol particle separation sampler - Google Patents
Aerosol particle separation sampler Download PDFInfo
- Publication number
- CN2760541Y CN2760541Y CN 200420054360 CN200420054360U CN2760541Y CN 2760541 Y CN2760541 Y CN 2760541Y CN 200420054360 CN200420054360 CN 200420054360 CN 200420054360 U CN200420054360 U CN 200420054360U CN 2760541 Y CN2760541 Y CN 2760541Y
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- Prior art keywords
- particulate
- particle separation
- sampling
- semiconductor laser
- aerosol particle
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- Expired - Fee Related
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- 239000002245 particle Substances 0.000 title abstract description 19
- 239000000443 aerosol Substances 0.000 title abstract description 10
- 238000000926 separation method Methods 0.000 title abstract 5
- 238000005070 sampling Methods 0.000 claims abstract description 37
- 239000004065 semiconductor Substances 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
本实用新型涉及一种气溶胶粒子分离采样器，其特征在于：气溶胶粒子分离采样器的三个锥形收集管右侧分别置有一小型半导体激光器，后部分别置有一光电倍增管，与锥形收集管上的椭球镜相对。气溶胶粒子分离采样器上端水平位置为与大气相通的进气口，下端口接一微型采样泵，内设三级喷嘴，每一喷嘴下有一级锥形收集管，收集管体上有一正对小型半导体激光器的进光口，与其相对处有一出光口，收集管内置有采样滤纸，底部有一活动底板。本实用新型不但可以用采样滤纸采集气溶胶粒子，监测气溶胶粒子的平均浓度，还能时时监测各种不同的大小气溶胶粒子浓度变化。同时该仪器简单，操作方便。
The utility model relates to an aerosol particle separation sampler, which is characterized in that: a small-sized semiconductor laser is respectively arranged on the right side of three conical collection tubes of the aerosol particle separation sampler, and a photomultiplier tube is respectively arranged at the rear part of the aerosol particle separation sampler. The ellipsoidal mirror on the shaped collection tube is opposite. The horizontal position of the upper end of the aerosol particle separation sampler is an air inlet connected to the atmosphere, and the lower port is connected to a micro-sampling pump. There are three-stage nozzles inside, and each nozzle has a one-stage conical collection tube. The light inlet of the small semiconductor laser has a light outlet opposite to it. The collection tube is built with sampling filter paper and has a movable bottom plate at the bottom. The utility model can not only collect the aerosol particles with the sampling filter paper, monitor the average concentration of the aerosol particles, but also constantly monitor the concentration changes of the aerosol particles with different sizes. At the same time, the instrument is simple and easy to operate.
Description
Technical field
The utility model relates to a kind of sampling thief, exactly is a kind of particulate discrete sampling device.
Background technology
Gasoloid is to be suspended in airborne particulate matter, can be solid-state, also can be liquid.Particle size range is 10
-3~ 10
2Um. the mankind have life and activity in production that gasoloid is just arranged, and also do not have volcanic explosion, the outer particle cloud of star and various biological spontaneous phenomenon generation " natural " gasoloid even there is activity in production.Aerocolloidal exist favourable harmful.Because the gasoloid that human immoderate activity in production produces has made human living space be subjected to severe contamination.According to the study, the human beings'health situation is directly related with gasoloid, and all kinds of respiratory diseases, angiocardiopathy and asthma, lung failure, lung cancer or the like have caused adult premature dead.Contaminated air is bigger to children's influence and harm.In various productions place, particularly be engaged in the workplace that various poisonous, objectionable impuritiess are produced, the generation of various occupational illness is directly related with aerocolloidal concentration of occupational and granularity.
Existing radial inflow size-grade distribution sampling thief separate earlier gather that PM10 is above, the particulate of PM2.5 ~ PM10 and PM1.0 ~ PM2.5, determine the concentration of particulate after gathering by the weight of a weighing sampling filter paper, carrying out constituent analysis with other method then.But this method can only be measured the mean concentration of the particulate in a period of time, and the mean concentration that the sampling time wants long enough to obtain could be near actual concentration.
The utility model content
The purpose of this utility model is to provide a kind of to people not only can gather particulate with sampling filter paper, and the mean concentration of monitoring particulate can also be monitored the particulate discrete sampling device that various big or small aerosol particle concentration changes constantly.
Particulate discrete sampling device, it is characterized in that: three conical collecting pipe right sides of particulate discrete sampling device are equipped with a small semiconductor laser respectively, and the rear portion is equipped with a photomultiplier respectively, and are relative with ellipsoidal mirror on the conical collecting pipe; The air intake opening of particulate discrete sampling device upper end horizontal level for communicating with atmosphere, lower port connects a miniature sampling pump, in establish three grades of nozzles, the one-level conical collecting pipe is arranged under each nozzle, collect on the body light inlet over against small semiconductor laser is arranged, with its opposite position one light-emitting window is arranged, collection tube is built-in with sampling filter paper, and a removable bottom is arranged at the bottom.
It is that pumping speed is 1-18L/ minute continuous adjustable miniature sampling pump that miniature sampling pump adopts pumping speed.
During work, send the continuous light irradiation by small semiconductor laser, utilize ellipsoidal mirror to collect and scatter light to photomultiplier, signal is through amplifying, and A/D conversion back arrives computing machine and handles, and laser beam penetrates from the opposite side light-emitting window.The variation of various particle concentrations can cause the variation of scattered light intensity, and scattered light is stronger when particle concentration is big, and the signal that obtains is bigger.When particle concentration reduced, scattered light weakened, and the signal that obtains diminishes.Air is entered by behind the first order jet nozzle by thief hatch, the particulate of diameter more than PM10 enters the one-level conical collecting pipe in the air, the continuous light beam of horizontal direction is vertical with the particulate heading, the generation scattering of meeting of particle and light beam, with the light beam direction vertical with particle heading plane on be ellipsoidal mirror, scattered light is focused on the photomultiplier.Particulate flies downwards and arrives on the sampling filter paper; And less than the particulate of PM10 with the air flow secondary nozzle, enter the secondary conical collecting pipe through the particulate of PM2.5 ~ PM10 behind the secondary nozzle; Obtain the concentration of the particulate of PM2.5 ~ PM10 by the scattered light of collecting the scattered light collection window, and the filter paper of sampling collects the particulate of PM2.5 ~ PM10.And less than the particulate of PM2.5 with three grades of nozzles of air flow, behind three grades of nozzles, the particulate of PM1.0 ~ PM2.5 enters three grades of conical collecting pipes; Obtain the concentration of the particulate of PM1.0 ~ PM2.5 by the scattered light of collecting the scattered light collection window, and sampling filter paper 12 collects the particulate of PM1.0 ~ PM2.5.Other particle is taken away by the adjustable miniature sampling pump of lower end pumping speed by bleeding point with airflow.Be the conical collector base plate, sampling filter paper is changed in detachable back, and middle band aperture passes through proper amount of gas, is convenient to particle collection.
Effect of the present utility model:
The utility model not only can be gathered particulate with sampling filter paper, and the mean concentration of monitoring particulate can also be monitored various big or small aerosol particle concentration constantly and be changed.This sampling thief is simple simultaneously, and is easy to operate.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the conical collecting pipe synoptic diagram.
Embodiment
Embodiment 1:
Referring to Fig. 1,2, three conical collecting pipe 4 right sides of the utility model particulate discrete sampling device 1 are equipped with 532nm small semiconductor laser 2 respectively, and the rear portion is equipped with a photomultiplier 3 respectively, and are relative with ellipsoidal mirror 5 on the conical collecting pipe.The air intake opening 6 of sampling thief 1 upper end horizontal level for communicating with atmosphere, it is 1-18L/ minute continuous adjustable miniature sampling pump 7 that lower port connects a pumping speed, in establish three grades of nozzles 8, the one-level conical collecting pipe is arranged under each nozzle, collect on the body light inlet 9 over against small semiconductor laser is arranged, with its opposite position one light-emitting window 10 is arranged, collection tube is built-in with sampling filter paper 11, and a removable bottom 12 is arranged at the bottom.
Claims (2)
1, particulate discrete sampling device is characterized in that: three conical collecting pipe right sides of particulate discrete sampling device are equipped with a small semiconductor laser respectively, and the rear portion is equipped with a photomultiplier respectively, and are relative with ellipsoidal mirror on the conical collecting pipe; The air intake opening of particulate discrete sampling device upper end horizontal level for communicating with atmosphere, lower port connects a miniature sampling pump, in establish three grades of nozzles, the one-level conical collecting pipe is arranged under each nozzle, collect on the body light inlet over against small semiconductor laser is arranged, with its opposite position one light-emitting window is arranged, collection tube is built-in with sampling filter paper, and a removable bottom is arranged at the bottom.
2, particulate discrete sampling device according to claim 2 is characterized in that: it is that pumping speed is 1-18L/ minute continuous adjustable miniature sampling pump that described miniature sampling pump adopts pumping speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054360 CN2760541Y (en) | 2004-12-08 | 2004-12-08 | Aerosol particle separation sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420054360 CN2760541Y (en) | 2004-12-08 | 2004-12-08 | Aerosol particle separation sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2760541Y true CN2760541Y (en) | 2006-02-22 |
Family
ID=36082744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420054360 Expired - Fee Related CN2760541Y (en) | 2004-12-08 | 2004-12-08 | Aerosol particle separation sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2760541Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101324490B (en) * | 2008-07-25 | 2010-08-04 | 北京汇丰隆生物科技发展有限公司 | A large-flow aerosol sampling device |
| CN101231220B (en) * | 2007-11-20 | 2010-09-15 | 中国科学院上海应用物理研究所 | Passive Atmospheric Aerosol Personal Sampler |
| CN102914491A (en) * | 2012-10-19 | 2013-02-06 | 东莞市汇海环保科技有限公司 | Collector with real-time monitoring function |
| TWI467149B (en) * | 2011-08-10 | 2015-01-01 | Univ Nat Chiao Tung | Multi-filter pm 10-pm 2.5 sampler |
| CN105203352A (en) * | 2014-06-18 | 2015-12-30 | 中国科学院大连化学物理研究所 | Non-contact suction-type sampling device |
| US9709541B2 (en) | 2011-10-26 | 2017-07-18 | Research Triangle Institute | Gas processing device with noise dampening |
| CN109632398A (en) * | 2018-11-23 | 2019-04-16 | 北京大学深圳研究生院 | Big flow can the multistage PM2.5 isokinetic sampling's head assembled |
| CN109870329A (en) * | 2019-03-25 | 2019-06-11 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | A high-efficiency particle size separation and sampling device for artificial radioactive aerosol and natural radioactive aerosol |
-
2004
- 2004-12-08 CN CN 200420054360 patent/CN2760541Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231220B (en) * | 2007-11-20 | 2010-09-15 | 中国科学院上海应用物理研究所 | Passive Atmospheric Aerosol Personal Sampler |
| CN101324490B (en) * | 2008-07-25 | 2010-08-04 | 北京汇丰隆生物科技发展有限公司 | A large-flow aerosol sampling device |
| TWI467149B (en) * | 2011-08-10 | 2015-01-01 | Univ Nat Chiao Tung | Multi-filter pm 10-pm 2.5 sampler |
| US9709541B2 (en) | 2011-10-26 | 2017-07-18 | Research Triangle Institute | Gas processing device with noise dampening |
| CN102914491A (en) * | 2012-10-19 | 2013-02-06 | 东莞市汇海环保科技有限公司 | Collector with real-time monitoring function |
| CN105203352A (en) * | 2014-06-18 | 2015-12-30 | 中国科学院大连化学物理研究所 | Non-contact suction-type sampling device |
| CN109632398A (en) * | 2018-11-23 | 2019-04-16 | 北京大学深圳研究生院 | Big flow can the multistage PM2.5 isokinetic sampling's head assembled |
| CN109870329A (en) * | 2019-03-25 | 2019-06-11 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | A high-efficiency particle size separation and sampling device for artificial radioactive aerosol and natural radioactive aerosol |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |