CN201016880Y - Multi-stage air microorganism sampler - Google Patents
Multi-stage air microorganism sampler Download PDFInfo
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- CN201016880Y CN201016880Y CNU2007200052887U CN200720005288U CN201016880Y CN 201016880 Y CN201016880 Y CN 201016880Y CN U2007200052887 U CNU2007200052887 U CN U2007200052887U CN 200720005288 U CN200720005288 U CN 200720005288U CN 201016880 Y CN201016880 Y CN 201016880Y
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Abstract
The utility model relates to a multi-stage air microorganism sampler, including a controller part and a sampler part. The controller part includes a bottom casing, a D/C motor, a muffler, an orifice, a scraping pump and an air suction pump. A felt adheres to the upper part of the bottom casing. The lower part of the bottom casing is equipped with rubber feet. The muffler and a motor base are respectively arranged above and under the D/C motor. The right side of the scraping pump is equipped with the air suction pump, the upper part of which is connected with an air nozzle. The orifice is arranged above the air nozzle. The sampling part includes a six multi-stage acquisition layers arranged from up to down. Every stage acquisition layer is equipped with a nozzle base. A top nozzle and a sampling culture dish are arranged on the nozzle base. The external connecting parts of every grade acquisition layers are equipped with silica gel seal rings. The beneficial effect of the utility model is that particles with different qualities and sizes can be effectively acquired. The utility model can be used under the continuously delayed A/C and D/C power supplying condition. And the utility model has the advantages of good air tightness, strong erosion resistance and high temperature resistance.
Description
Technical field
The utility model relates to a kind of microbe sampling device, relates in particular to a kind of multi-staged air microorganism sampler.
Background technology
More airborne microorganisms all can bring certain harm to health and industrial and agricultural production as bacterium, fungi, virus and anaphylactogen.This instrument is widely used in industries such as disease control, hospital, pharmacy food, agricultural herding, environmental protection, indoor detection, laboratory.To monitor at above pollutant, more existing impacting type air samplers, mainly be the contaminant particles of suspension also to be quickened thereupon by the high velocity air that produces, when the kinetic energy that produces can overcome the resistance of air layer between nozzle and the collection face relative with it, this particle just can strike against the collection face that scribbles resisting medium and be hunted down, but it can not effectively distinguish the particle of gathering different quality and size in the air, the phenomenon that small-particle is escaped can appear under some situation, thereby acquisition range has been subjected to very big restriction, and it is bad also to exist impermeability simultaneously, acquisition rate is lower, the defective of resistance to corrosion difference.
The utility model content
The purpose of this utility model provides a kind of multi-staged air microorganism sampler, can not gather effectively to overcome prior art that particle, the impermeability of different quality or different size is bad, equipment is heavy, can not the lowered in field environment operation, robotization control is low, acquisition rate is lower deficiency.
The purpose of this utility model is to be achieved through the following technical solutions:
The described multi-staged air microorganism sampler of the utility model embodiment comprises controller part, sampling thief part, and described controller part, the sampling thief partly valve by are separately connected by flexible pipe; Described controller partly comprises bottom shell body, direct current generator, exhaust box, the mouth of pipe, scraping blade pump and aspiration pump, bottom shell body is whole plastic-blasting, its top is bonded with felt, the bottom shell body bottom is provided with the rubber lower margin, the direct current generator upper and lower is respectively equipped with exhaust box, motor base, is provided with interconnective coupling flange and connection gasket between direct current generator and scraping blade pump, and the right side of scraping blade pump is provided with aspiration pump, aspiration pump top connects valve, and the valve top is provided with and the mouth of pipe; Described sampling thief partly comprises the multistage acquisition layer of six layers of structure from top to bottom, and every grade of acquisition layer is provided with nozzle holder, and nozzle holder is provided with top shower nozzle and sampling double dish; The outside junction of acquisition layers at different levels is equipped with silica gel sealing ring.
When starting working, direct current generator drives aspiration pump, utilize sampling thief part pressure differential up and down, force a certain amount of air-flow to enter in the sampling thief part, be equipped with the register pin of 400 round sieves and three support double dish on each grade acquisition layer of sampling thief part by certain flow rate; From six grades of the first order to the, the aperture of every layer round sieve reduces gradually, and because of the flow of gas is identical, and the aperture difference of sieve aperture just makes every layer gas flow rate difference, the particle of different quality obtains different kinetic energy, and the particle range that collects is 0.3 μ m to 20 μ m.
The beneficial effect of multi-staged air microorganism sampler described in the utility model is: particle clashes into repeatedly through six times, can effectively collect the particle of different quality and different size; Can under the condition of power supply that alternating current-direct current is delayed time continuously, use; Select the material of medical silica-gel material as O-ring seal for use, resistance to corrosion is strong and can be high temperature resistant.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the controller part of the described multi-staged air microorganism sampler of the utility model embodiment;
Fig. 2 is the cross-sectional view of the sampling thief part of the described multi-staged air microorganism sampler of the utility model embodiment.
Among the figure:
1, rubber lower margin; 2, bottom shell body; 3, felt; 4, screw; 5, screw cover; 6, direct current generator; 7, exhaust box; 8, coupling flange; 9, connection gasket; 10, scraping blade pump; 11, the mouth of pipe; 12, motor base; 13, top shower nozzle; 14, round sieve; 15, first order nozzle holder; 16, first order sampling double dish; 17, register pin; 18, silica gel sealing ring; 19, valve; 20, aspiration pump; 22, second level nozzle holder; 23, second level sampling double dish; 24, controller part; 25, sampling thief part.
Embodiment
As shown in Figure 1, the controller part 24 of the described multi-staged air microorganism sampler of the utility model embodiment comprises bottom shell body 2, direct current generator 6, exhaust box 7, the mouth of pipe 11, scraping blade pump 10 and aspiration pump 20, bottom shell body 2 is whole plastic-blasting, the bonding thickness in its top is the felt 3 of 4mm, the bottom of bottom shell body 2 is provided with rubber lower margin 1, on the direct current generator 6, the below is respectively equipped with exhaust box 7, motor base 12, between direct current generator 6 and scraping blade pump 10, be provided with interconnective coupling flange 8 and connection gasket 9, the right of scraping blade pump 10 is provided with aspiration pump 20, the top of aspiration pump 20 connects valve 19, the top of valve 19 is provided with and the extraneous mouth of pipe 11 that communicates, rivet for some screws 4 entire controller part 24 inside, and each screw 4 is equipped with screw cover 5.
As shown in Figure 2, the described multi-staged air microorganism sampler of the utility model embodiment, its sampling thief part 25 is divided into the multistage acquisition layer of six layers of structure from top to bottom, and every grade of acquisition layer is provided with nozzle holder, and nozzle holder is provided with top shower nozzle and sampling double dish; First order nozzle holder 15 is provided with the top shower nozzle 13 and first order sampling double dish 16 of circular cone cylindrical structure, and first order nozzle holder 15 is provided with 400 round sieves 14; The below of first order sampling double dish 16 is provided with second level nozzle holder 22, and the below of second level nozzle holder 22 is provided with second level sampling double dish 23; From six grades of the first order to the, the outside junction of acquisition layers at different levels is equipped with silica gel sealing ring 18.
The controller part 24 of the described multi-staged air microorganism sampler of above the utility model embodiment and sampling thief part 25 valve 19 separately is connected by flexible pipe, and flexible pipe can enter the inside of controller part 24 through the mouth of pipe 11; When starting working, direct current generator 6 drives aspiration pump 20, utilize the pressure differential of sampling thief part about in the of 25, force a certain amount of air-flow to enter in the sampling thief part 25, be equipped with the register pin 17 of 400 round sieves 14 and three support double dish on each grade nozzle holder of sampling thief part 25 according to the flow velocity of 28.3L/min.From six grades of the first order to the, the aperture of every layer round sieve 14 reduces gradually, and because of the flow of gas is identical, and the aperture difference of sieve aperture just makes every layer gas flow rate difference, the particle of different quality obtains different kinetic energy, and the particle range that collects is 0.3 μ m to 20 μ m.
Claims (2)
1. multi-staged air microorganism sampler comprises controller part and sampling thief part, and described controller part, the sampling thief partly valve by are separately connected by flexible pipe; Described controller partly comprises bottom shell body, direct current generator, exhaust box, the mouth of pipe, scraping blade pump and aspiration pump, bottom shell body top is bonded with felt, the bottom shell body bottom is provided with the rubber lower margin, the direct current generator upper and lower is respectively equipped with exhaust box, motor base, between direct current generator and scraping blade pump, be provided with interconnective coupling flange and connection gasket, the right side of scraping blade pump is provided with aspiration pump, and aspiration pump top connects valve, and the valve top is provided with the mouth of pipe; It is characterized in that: described sampling thief partly comprises the multistage acquisition layer of six layers of structure from top to bottom, and every grade of acquisition layer is provided with nozzle holder, and nozzle holder is provided with top shower nozzle and sampling double dish; The outside junction of acquisition layers at different levels is equipped with silica gel sealing ring.
2. multi-staged air microorganism sampler according to claim 1 is characterized in that: the register pin that is equipped with 400 round sieves and three support double dish on described each grade of sampling thief part acquisition layer; From six grades of the first order to the, the aperture of the round sieve of each grade acquisition layer reduces gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200052887U CN201016880Y (en) | 2007-03-06 | 2007-03-06 | Multi-stage air microorganism sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200052887U CN201016880Y (en) | 2007-03-06 | 2007-03-06 | Multi-stage air microorganism sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201016880Y true CN201016880Y (en) | 2008-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200052887U Expired - Fee Related CN201016880Y (en) | 2007-03-06 | 2007-03-06 | Multi-stage air microorganism sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN201016880Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392221B (en) * | 2008-11-03 | 2012-03-28 | 中国人民解放军军事医学科学院微生物流行病研究所 | Mass flow air microorganism sampling device |
| CN103756894A (en) * | 2014-01-06 | 2014-04-30 | 中国科学院合肥物质科学研究院 | Liquid impact-type air microorganism sampler |
| CN104155150A (en) * | 2014-08-13 | 2014-11-19 | 张�浩 | Aquatic organism acquisition device and method |
| CN105388034A (en) * | 2015-12-30 | 2016-03-09 | 东旭科技集团有限公司 | Sampling device of substrate particulate matter and sampling method of glass substrate particulate matter |
| CN106769249A (en) * | 2016-12-28 | 2017-05-31 | 南京信息工程大学 | A kind of device for fixing impaction |
| CN106918476A (en) * | 2017-04-21 | 2017-07-04 | 苏州尚科洁净技术有限公司 | A kind of big flow ram for air sampling |
| CN115561032A (en) * | 2022-10-17 | 2023-01-03 | 天津市疾病预防控制中心 | Air collector for simulating multi-air-pressure sampling environment |
-
2007
- 2007-03-06 CN CNU2007200052887U patent/CN201016880Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392221B (en) * | 2008-11-03 | 2012-03-28 | 中国人民解放军军事医学科学院微生物流行病研究所 | Mass flow air microorganism sampling device |
| CN103756894A (en) * | 2014-01-06 | 2014-04-30 | 中国科学院合肥物质科学研究院 | Liquid impact-type air microorganism sampler |
| CN103756894B (en) * | 2014-01-06 | 2015-04-08 | 中国科学院合肥物质科学研究院 | Liquid impact-type air microorganism sampler |
| CN104155150A (en) * | 2014-08-13 | 2014-11-19 | 张�浩 | Aquatic organism acquisition device and method |
| CN105388034A (en) * | 2015-12-30 | 2016-03-09 | 东旭科技集团有限公司 | Sampling device of substrate particulate matter and sampling method of glass substrate particulate matter |
| CN105388034B (en) * | 2015-12-30 | 2018-06-08 | 东旭科技集团有限公司 | The sampler of substrate particulate matter and the sampling method of glass substrate particulate matter |
| CN106769249A (en) * | 2016-12-28 | 2017-05-31 | 南京信息工程大学 | A kind of device for fixing impaction |
| CN106918476A (en) * | 2017-04-21 | 2017-07-04 | 苏州尚科洁净技术有限公司 | A kind of big flow ram for air sampling |
| CN115561032A (en) * | 2022-10-17 | 2023-01-03 | 天津市疾病预防控制中心 | Air collector for simulating multi-air-pressure sampling environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING XIANNENG TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: LAN YONG Effective date: 20081107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: Beijing city Fengtai District West Fourth Ring Road No. 56 on the open Feng Technology Incubator Center at Park building room 0715 (Park), zip code: 100071 Patentee after: Beijing first Technology Development Co., Ltd. Address before: No. 20, No. 171 East Main Street, Beijing, Fengtai District: 351100 Patentee before: Lan Yong |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20160306 |