CN106525518A - Airborne sampling system capable of automatically changing sampling system pressure and application thereof - Google Patents
Airborne sampling system capable of automatically changing sampling system pressure and application thereof Download PDFInfo
- Publication number
- CN106525518A CN106525518A CN201611243508.XA CN201611243508A CN106525518A CN 106525518 A CN106525518 A CN 106525518A CN 201611243508 A CN201611243508 A CN 201611243508A CN 106525518 A CN106525518 A CN 106525518A
- Authority
- CN
- China
- Prior art keywords
- pipe
- airborne
- sampling system
- mouth
- sampling
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
- G01N2001/2279—Atmospheric sampling high altitude, e.g. rockets, balloons
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an airborne sampling system capable of automatically changing sampling system pressure and application thereof. The airborne sampling system comprises an airborne sampling head, a computer, a sampling main pipe, a pump and a pressure meter, wherein the airborne sampling head comprises a T pipe; the ends of the transverse orifices on both sides and the radial orifice in the T pipe are respectively an open structure; the internal diameter of the transverse orifice on one side is less than the internal diameter of the orifice on the other side, and the position in the orifice on the other side adjacent to the radial orifice is provided with a bulge; the radial orifice of the airborne sampling head, the sampling main pipe and the pump are sequentially connected; the pressure meter is arranged on the sampling main pipe; and the computer is respectively connected with the pump and pressure meter. The airborne sampling system capable of preventing moisture from condensation and reflux is used for collecting and monitoring air outside the aircraft cabin. The airborne sampling head can be utilized to effectively prevent the moisture condensed from water vapor from aggregation at the air inlet, thereby enhancing the sample collection efficiency and quality.
Description
Technical field
The present invention relates to sample unit field, in particular it relates to a kind of can change the airborne of sampling system pressure automatically
Sampling system and its application.
Background technology
After aircraft invention, aircraft is increasingly becoming the indispensable vehicles of modern civilization, its deep change
With the life that have impact on people, open people and conquer blue sky history.But as aircraft is to fly in the air, therefore to safety
There is very high requirement.And the part and flight progress of aircraft is all affected by external environment, therefore moment monitoring is extraneous
The situation of environment becomes extremely important.The air inlet being arranged at present out of my cabin mostly is T-shaped pipe, as shown in figure 1, but in air inlet
During sampling, due to being affected by temperature and pressure, the vapor in air can condense into steam and in T-shaped pipe
Intersection is assembled, so as to affect the sampling of air inlet.Particularly in the case of aircraft high-speed flight, air out of my cabin enters
During QI KOU, it is easier to the phenomenon of steam coagulation occur.When these vapor are sucked by sampling instrument, test result can be produced
Raw large effect.Further, since the high speed flight at high altitude of aircraft, the pressure in external environment is relatively low, gathers sample strain
Difference may cause great impact to testing result and detecting instrument.
Accordingly, it would be desirable to one kind can avoid vapor from condensing on tube wall, reduce measurement error and with low cost and energy
The device of sampled pressure is detected enough.
The content of the invention
It is an object of the invention to the vapor due to being affected by temperature and pressure in overcoming prior art, in air
Steam can be condensed into assemble in air inlet, so as to affecting the sampling of air inlet and the difference of sampled pressure to testing result and
Detecting instrument causes the defect of significant impact, there is provided a kind of airborne sampling system for being prevented from condensation of moisture and flowing backwards.
To achieve these goals, in a first aspect, the invention provides a kind of can change sampling system pressure automatically
Airborne sampling system, the sampling system include airborne sampling head, computer, sampling house steward, pump and piezometer, described airborne to adopt
Sample head includes T-shaped pipe, wherein, in the T-shaped pipe, the end of the horizontal mouth of pipe in both sides and the radial direction mouth of pipe is hatch frame, the horizontal stroke
Internal diameter of the internal diameter of the side mouth of pipe less than the opposite side mouth of pipe in the mouth of pipe, while the close radial tubes in the opposite side mouth of pipe
Mouthful position is conformed with, and the radial direction mouth of pipe of the airborne sampling head, sampling house steward and pump are sequentially connected, and the piezometer is arranged at
On sampling house steward, the computer is respectively connected with pump and piezometer.
Preferably, the side mouth of pipe is less than the internal diameter near pipe outer end near the inner internal diameter of pipe.
Preferably, the opposite side mouth of pipe is less than the internal diameter near pipe outer end near the inner internal diameter of pipe.
Preferably, the airborne sampling head also includes suction nozzle, wherein, the suction nozzle is fixed on the side mouth of pipe
Pipe is inner.
Preferably, the suction nozzle exceedes vertical position of the T-shaped caliber to the mouth of pipe away from the position of the inner one end of the pipe
Put.
Preferably, the suction nozzle near the inner internal diameter of the pipe more than away from the inner internal diameter of the pipe.
Preferably, the sampling and monitoring device also includes some detecting instruments, and some detecting instruments are independently of one another
It is connected with sampling house steward.
On the other hand, present invention also offers the aforesaid airborne sampling system that can change automatically sampling system pressure exists
Application in the outer air of collection monitoring aircraft cabin.
Using the airborne sampling system that can change automatically sampling system pressure of the present invention, water steaming can be effectively prevented
The steam that airsetting is formed is assembled in air inlet, so as to improve the efficiency and quality of collection sample.Additionally, the device knot of the present invention
Structure is simple, it is easy to remove and install, and using the device collection sample of the present invention, real-time monitoring can be carried out to the pressure of sample, right
Each instrument has good protective effect, and in the environment of being particularly well-suited to the low pressure such as high-altitude.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is airborne sampling head of the prior art;
Fig. 2 is a kind of airborne sampling head of the present invention;
Fig. 3 is a kind of airborne sampling head of preferred implementation of the present invention;
Fig. 4 is a kind of airborne sampling system for being prevented from condensation of moisture and refluence of preferred implementation of the present invention.
Description of reference numerals
1 T-shaped pipe, 2 suction nozzle
3 projection, 4 computer
5 sampling 6 pumps of house steward
6 piezometer, 8 detecting instrument
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
Herein the end points and any value of disclosed scope is not limited to the accurate scope or value, these scopes or
Value should be understood to comprising the value for being close to these scopes or value.For numerical range, between the endpoint value of each scope, respectively
Between the endpoint value of individual scope and single point value, and individually one or more can be obtained with combination with one another between point value
New numerical range, these numerical rangies should be considered concrete open herein.Herein, when each mouth of pipe or single of comparison
During the internal diameter magnitude relationship respectively held in the mouth of pipe, it should be understood that it is coaxial or substantially coaxial to be somebody's turn to do the two, additionally, working as what is compared
In each mouth of pipe, the internal diameter of a certain mouth of pipe is non-homogeneous, using the minimum diameter of the mouth of pipe as the internal diameter of the mouth of pipe.
The invention provides a kind of airborne sampling system for being prevented from condensation of moisture and flowing backwards, described to be prevented from aqueous vapor
The airborne sampling system for condensing and flowing backwards includes airborne sampling head, computer 4, sampling house steward 5, pump 6 and piezometer 7, the machine
Carrying sampling head includes T-shaped pipe 1, wherein, in the T-shaped pipe 1, the end of the horizontal mouth of pipe in both sides and the radial direction mouth of pipe is hatch frame,
Internal diameter of the internal diameter of the side mouth of pipe less than the opposite side mouth of pipe in the horizontal mouth of pipe, while close in the opposite side mouth of pipe
Radial direction nozzle position is conformed with 3, and the radial direction mouth of pipe of the airborne sampling head, sampling house steward 5 and pump 6 are sequentially connected, the pressure
Power meter 7 is arranged on sampling house steward 6, and the computer 4 is respectively connected with pump 6 and piezometer 7.
Wherein, as shown in Fig. 2 the end of the horizontal mouth of pipe in both sides and the radial direction mouth of pipe is hatch frame in the T-shaped pipe 1,
Air can be caused into or out in three ends of T-shaped pipe, the horizontal mouth of pipe in 1 both sides of T-shaped pipe refers to T-shaped pipe upper end
Two relative mouths of pipe, the 1 radial direction mouth of pipe of the T-shaped pipe refer to vertical with the horizontal mouth of pipe in both sides another pipe in T-shaped pipe 1
Mouthful.In aircraft flight, air enters airborne sampling head from the side mouth of pipe of the T-shaped pipe 1, reaches T-shaped pipe 1 in air
During the top of the radial direction mouth of pipe, can be by connecting getter device (such as pump) in the end of the 1 radial direction mouth of pipe of T-shaped pipe, as suction is made
With, part reaches the air above the radial direction mouth of pipe and draws from the 1 radial direction mouth of pipe of T-shaped pipe, so as to carry out follow-up detection, and its remaining part
Divide and the radial direction mouth of pipe is broken through from the outflow of the opposite side mouth of pipe, as ambient temperature is relatively low, can condense a large amount of in the opposite side mouth of pipe
Steam.Internal diameter of the internal diameter of the side mouth of pipe less than the opposite side mouth of pipe in the horizontal mouth of pipe, you can be interpreted as under the mouth of pipe of side
The upper surface at end is higher than the upper surface of opposite side mouth of pipe lower end, can so enable air-flow to be further flushed to another side pipe
The interior position further from the radial direction mouth of pipe of mouth, so that the steam for condensing is difficult to fall in the radial direction mouth of pipe.Simultaneously described another
Close radial direction nozzle position in side pipe mouth is conformed with 3, and the projection 3 can prevent the steam stream in the opposite side mouth of pipe
Enter in the radial direction mouth of pipe.The radial direction mouth of pipe of the airborne sampling head, sampling house steward 5 and pump 6 are sequentially connected, therefore can be by adjusting
Pump 6 with change sampling house steward 5 in overpressure;The piezometer 7 is arranged on sampling house steward 6, can be to sampling in house steward 5
Overpressure carry out real-time monitoring;The computer 4 is respectively connected with pump 6 and piezometer 7, in can causing piezometer 7
Pressure sensing result is fed back in computer 4, and the power of pump 6 is adjusted by computer 4 changing in sampling house steward 5
Overpressure.
According to the present invention, for the internal diameter at each end in each mouth of pipe has no particular limits, can only reach the present invention's
Above-mentioned purpose.
Preferably, the side mouth of pipe is less than the internal diameter near pipe outer end near the inner internal diameter of pipe.Can so improve
Air-flow velocity of the side mouth of pipe at pipe the inner, so that steam is in the inner accumulation cohesion of the pipe.
Preferably, the opposite side mouth of pipe is less than the internal diameter near pipe outer end near the inner internal diameter of pipe.Can so make
The steam that the opposite side mouth of pipe is obtained near cohesion at pipe the inner flows out another test tube mouth along its outer extreme direction along the gradient.
In the preferred embodiment of the present invention, the airborne sampling head also include suction nozzle 2, wherein, it is described enter
The pipe that valve 2 is fixed on the side mouth of pipe is inner.Steam can be so caused to be easier to cross the radial direction mouth of pipe, without each
Mouth of pipe intersection is piled up even into the radial direction mouth of pipe.
Preferably, the suction nozzle 2 exceedes the vertical of the 1 radial direction mouth of pipe of T-shaped pipe away from the position of the inner one end of the pipe
Position.
It is highly preferred that the suction nozzle 2 near the inner internal diameter of the pipe more than away from the inner internal diameter of the pipe.Namely
Make the internal diameter in 2 exit of suction nozzle less, to improve the air-flow velocity in 2 exit of the suction nozzle, while part steam due to
The gradient can directly be back to outer end, without falling from 2 exit of suction nozzle, so as to further improve the efficiency and matter of sampling
Amount.
In accordance with the present invention it is preferred that, the sampling and monitoring device also includes some (such as 1-10) detecting instruments 8, described
Some detecting instruments 8 are connected with sampling house steward 5 independently of one another.So the collection sample in sampling house steward 5 can be sent respectively
Detected in entering each detecting instrument 8.
A preferred embodiment of the invention, as shown in Figures 3 and 4, is prevented from condensation of moisture and the machine for flowing backwards
Carrying sampling system includes airborne sampling head, computer 4, sampling house steward 5, pump 6 and piezometer 7, and the airborne sampling head includes T-shaped
Pipe 1, wherein, in the T-shaped pipe 1, the end of the horizontal mouth of pipe in both sides and the radial direction mouth of pipe is hatch frame, in the horizontal mouth of pipe
Internal diameter of the internal diameter of the side mouth of pipe less than the opposite side mouth of pipe, while the close radial direction nozzle position in the opposite side mouth of pipe sets
There is a projection 3, the radial direction mouth of pipe of the airborne sampling head, sampling house steward 5 and pump 6 are sequentially connected, and the piezometer 7 is arranged at sampling
On house steward 6, the computer 4 is respectively connected with pump 6 and piezometer 7;The side mouth of pipe is less than near the inner internal diameter of pipe and leans on
The internal diameter of nearly pipe outer end;The opposite side mouth of pipe is near the inner internal diameter of pipe less than the internal diameter near pipe outer end;It is described airborne to adopt
Sample head also includes suction nozzle 2, and the pipe that the suction nozzle 2 is fixed on the side mouth of pipe is inner;The suction nozzle 2 is away from the pipe
The position of inner one end exceedes the vertical position of the 1 radial direction mouth of pipe of T-shaped pipe;The suction nozzle 2 is near the inner internal diameter of the pipe
More than away from the inner internal diameter of the pipe;The sampling and monitoring device also includes some detecting instruments 5, some detecting instruments
5 are connected with sampling house steward 2 independently of one another.Additionally, the direction of arrow in Fig. 3 represents the direction of air current flow, the dotted line in Fig. 4
Frame represents airborne sampling head (concrete structure figure 3 illustrates), represents outside cabin, represent in cabin on the right side of dotted line on the left of dotted line;
Thick line represents device or pipeline, and fine rule represents reference indicatrix;The direction of the orientation representative signal transmission of arrow, i.e. pressure
Pressure sensing result in meter 7 is fed back in computer 4, and the power of pump 6 is adjusted by computer 4 changing sampling
Overpressure in house steward 5.
From figure 3, it can be seen that due to suction nozzle 2 in the direction of the air flow extended beyond the radial direction mouth of pipe, therefore work as gas
Stream from suction nozzle 2 flow out when, exceeded the radial direction mouth of pipe, so as to air-flow will not be entered directly in the radial direction mouth of pipe, thus avoided
Vapor occurs to condense in the radial direction mouth of pipe.
Additionally, present invention also offers the aforesaid airborne sampling system for being prevented from condensation of moisture and flowing backwards is supervised in collection
The application surveyed in the outer air of aircraft cabin.
In actual use, can be possible to prevent in condensation of moisture and the airborne sampling system that flows backwards airborne adopts
Sample head is arranged at aircraft optional position out of my cabin, by the radial direction mouth of pipe of airborne sampling head and the remaining part being arranged in aircraft
It is connected by aforesaid connected mode, it is preferable that the direction of the air inlet is consistent with the direction of aircraft nose so that air is more square
Just enter air inlet.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, the present invention range of the technology design in, various simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any between a variety of embodiments of the present invention, can also be carried out, as long as which is without prejudice to this
The thought of invention, which should equally be considered as content disclosed in this invention.
Claims (8)
1. a kind of airborne sampling system that can change automatically sampling system pressure, it is characterised in that described to be prevented from aqueous vapor
The airborne sampling system for condensing and flowing backwards includes airborne sampling head, computer (4), sampling house steward (5), pump (6) and piezometer
(7), the airborne sampling head includes T-shaped pipe (1), wherein, the end of the horizontal mouth of pipe in both sides and the radial direction mouth of pipe in the T-shaped pipe (1)
Portion is hatch frame, internal diameter of the internal diameter of the side mouth of pipe less than the opposite side mouth of pipe in the horizontal mouth of pipe, while described another
Close radial direction nozzle position in the mouth of pipe of side is conformed with (3), the radial direction mouth of pipe of the airborne sampling head, sampling house steward (5)
It is sequentially connected with pump (6), the piezometer (7) is arranged in sampling house steward (6), the computer (4) and pump (6) and piezometer
(7) it is respectively connected with.
2. the airborne sampling system that sampling system pressure can be changed automatically according to claim 1, wherein, the side
The mouth of pipe is near the inner internal diameter of pipe less than the internal diameter near pipe outer end.
3. the airborne sampling system that sampling system pressure can be changed automatically according to claim 1, wherein, it is described another
Side pipe mouth is near the inner internal diameter of pipe less than the internal diameter near pipe outer end.
4. the airborne sampling system that sampling system pressure can be changed automatically according to claim 1, wherein, it is described airborne
Sampling head also includes suction nozzle (2), wherein, the pipe that the suction nozzle (2) is fixed on the side mouth of pipe is inner.
5. the airborne sampling system that sampling system pressure can be changed automatically according to claim 4, wherein, the air inlet
Mouth (2) exceedes the vertical position of T-shaped pipe (1) the radial direction mouth of pipe away from the position of the inner one end of the pipe.
6. the airborne sampling system that sampling system pressure can be changed automatically according to claim 4, wherein, the air inlet
Mouth (2) is near the inner internal diameter of the pipe more than away from the inner internal diameter of the pipe.
7. the airborne sampling system that sampling system pressure can be changed automatically according to claim 1, wherein, the sampling
Monitoring device also includes some detecting instruments (8), and some detecting instruments (8) are connected with sampling house steward (5) independently of one another.
8. the airborne sampling system that can change automatically sampling system pressure in claim 1-7 described in any one is in collection
Application in the outer air of monitoring aircraft cabin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611243508.XA CN106525518B (en) | 2016-12-29 | 2016-12-29 | Airborne sampling system capable of automatically changing pressure of sampling system and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611243508.XA CN106525518B (en) | 2016-12-29 | 2016-12-29 | Airborne sampling system capable of automatically changing pressure of sampling system and application thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106525518A true CN106525518A (en) | 2017-03-22 |
CN106525518B CN106525518B (en) | 2020-07-07 |
Family
ID=58339210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611243508.XA Expired - Fee Related CN106525518B (en) | 2016-12-29 | 2016-12-29 | Airborne sampling system capable of automatically changing pressure of sampling system and application thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106525518B (en) |
Citations (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3681973A (en) * | 1971-02-18 | 1972-08-08 | Cornell Aeronautical Labor Inc | Centrifugal rotating particle sizing apparatus |
US4883505A (en) * | 1988-07-22 | 1989-11-28 | Iit Research Institute | Methods and apparatus for atmospheric sampling and analysis of trace contaminants |
US6019821A (en) * | 1996-01-16 | 2000-02-01 | Bacharach, Inc. | Method and apparatus for removing condensate from combustion analyzer sample |
US6284547B1 (en) * | 1997-08-06 | 2001-09-04 | Axiva Gmbh | On-line analysis of process gas during the production of ketene |
US20020071786A1 (en) * | 2000-12-07 | 2002-06-13 | Schreiber Robert J. | Continuous emissions monitor for measuring organic constituents |
US20040023419A1 (en) * | 2001-09-24 | 2004-02-05 | Extraction Systems, Inc | System and method for monitoring contamination |
US6809648B1 (en) * | 2002-11-26 | 2004-10-26 | University Corporation For Atmospheric Research | Aerial sampler system |
US20050188700A1 (en) * | 2004-02-27 | 2005-09-01 | Fox Richard B. | Pressure reduction apparatus and method |
US20050257631A1 (en) * | 1996-08-22 | 2005-11-24 | Mayeaux Donald P | Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore |
CN101042409A (en) * | 2007-04-30 | 2007-09-26 | 王健 | Integrated probe used for gas on-line analysis |
CN201000405Y (en) * | 2007-01-24 | 2008-01-02 | 山东大学 | Novel atmospheric impurity airborne observation sampling instrument |
CN101318557A (en) * | 2008-05-16 | 2008-12-10 | 哈尔滨工业大学 | Rarefaction air condensing trapping device with liquid nitrogen suction refrigeration |
CN201510957U (en) * | 2009-11-13 | 2010-06-23 | 大庆海洋石油技术开发有限公司 | Adjustable steam fluidic device |
US20100199785A1 (en) * | 2007-09-13 | 2010-08-12 | Timmis Roger J | Fluid sampling device |
CN102053048A (en) * | 2009-11-09 | 2011-05-11 | 中国气象科学研究院 | Dynamic aerosol wind tunnel detection system |
US20110257922A1 (en) * | 2010-04-16 | 2011-10-20 | Atomic Energy Council-Institute Of Nuclear Energy Research | Air pollution sampling system and method thereof |
CN102252875A (en) * | 2011-06-01 | 2011-11-23 | 山东大学 | Externally hanging type atmospheric aerosol aviation airflow guide cover of airplane |
CN102419268A (en) * | 2011-12-20 | 2012-04-18 | 黑龙江省电力科学研究院 | Solid particle collecting device of anti-condensation water backflow soaking filter |
CN102498381A (en) * | 2009-07-31 | 2012-06-13 | 创控生技股份有限公司 | Gas collection and analysis system with front-end and back-end pre-concentrators and moisture removal |
CN102879233A (en) * | 2012-10-12 | 2013-01-16 | 山东大学 | Miniature onboard reverse plug flow cloud droplet sampling device and working method thereof |
WO2013079927A2 (en) * | 2011-11-28 | 2013-06-06 | Rothamsted Research Limited | Air sampling device |
CN203310679U (en) * | 2013-06-09 | 2013-11-27 | 南开大学 | Constant-speed sampling head for carrying out aerial survey on atmospheric aerosol |
CN103424286A (en) * | 2012-05-23 | 2013-12-04 | Avl北美股份有限公司 | Exhaust sampling system and method for water vapor management |
CN103913353A (en) * | 2014-04-10 | 2014-07-09 | 北京大学 | Gas normal pressure sampling device suitable for vehicle-mounted measurement |
CN104020020A (en) * | 2014-06-11 | 2014-09-03 | 中国环境科学研究院 | Multifunctional onboard powerless sampler |
CN204085969U (en) * | 2014-10-13 | 2015-01-07 | 北京市环境保护科学研究院 | Gasoloid isokinetic sampling device in speed change air-flow |
DE102013114685A1 (en) * | 2013-12-20 | 2015-06-25 | Airbus Operations Gmbh | An air sampling assembly for an aircraft, method for taking air samples from an aircraft, and an aircraft |
US20150323508A1 (en) * | 2012-01-27 | 2015-11-12 | Sgs North America Inc. | Composite sampling of fluids |
CN206321477U (en) * | 2016-12-29 | 2017-07-11 | 中国环境科学研究院 | It is a kind of to change the airborne sampling system of sampling system pressure automatically |
-
2016
- 2016-12-29 CN CN201611243508.XA patent/CN106525518B/en not_active Expired - Fee Related
Patent Citations (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3681973A (en) * | 1971-02-18 | 1972-08-08 | Cornell Aeronautical Labor Inc | Centrifugal rotating particle sizing apparatus |
US4883505A (en) * | 1988-07-22 | 1989-11-28 | Iit Research Institute | Methods and apparatus for atmospheric sampling and analysis of trace contaminants |
US6019821A (en) * | 1996-01-16 | 2000-02-01 | Bacharach, Inc. | Method and apparatus for removing condensate from combustion analyzer sample |
US20050257631A1 (en) * | 1996-08-22 | 2005-11-24 | Mayeaux Donald P | Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore |
US6284547B1 (en) * | 1997-08-06 | 2001-09-04 | Axiva Gmbh | On-line analysis of process gas during the production of ketene |
US20020071786A1 (en) * | 2000-12-07 | 2002-06-13 | Schreiber Robert J. | Continuous emissions monitor for measuring organic constituents |
US20040023419A1 (en) * | 2001-09-24 | 2004-02-05 | Extraction Systems, Inc | System and method for monitoring contamination |
US6809648B1 (en) * | 2002-11-26 | 2004-10-26 | University Corporation For Atmospheric Research | Aerial sampler system |
US20050188700A1 (en) * | 2004-02-27 | 2005-09-01 | Fox Richard B. | Pressure reduction apparatus and method |
CN201000405Y (en) * | 2007-01-24 | 2008-01-02 | 山东大学 | Novel atmospheric impurity airborne observation sampling instrument |
CN101042409A (en) * | 2007-04-30 | 2007-09-26 | 王健 | Integrated probe used for gas on-line analysis |
US20100199785A1 (en) * | 2007-09-13 | 2010-08-12 | Timmis Roger J | Fluid sampling device |
CN101318557A (en) * | 2008-05-16 | 2008-12-10 | 哈尔滨工业大学 | Rarefaction air condensing trapping device with liquid nitrogen suction refrigeration |
CN102498381A (en) * | 2009-07-31 | 2012-06-13 | 创控生技股份有限公司 | Gas collection and analysis system with front-end and back-end pre-concentrators and moisture removal |
CN102053048A (en) * | 2009-11-09 | 2011-05-11 | 中国气象科学研究院 | Dynamic aerosol wind tunnel detection system |
CN201510957U (en) * | 2009-11-13 | 2010-06-23 | 大庆海洋石油技术开发有限公司 | Adjustable steam fluidic device |
US20110257922A1 (en) * | 2010-04-16 | 2011-10-20 | Atomic Energy Council-Institute Of Nuclear Energy Research | Air pollution sampling system and method thereof |
CN102252875A (en) * | 2011-06-01 | 2011-11-23 | 山东大学 | Externally hanging type atmospheric aerosol aviation airflow guide cover of airplane |
WO2013079927A2 (en) * | 2011-11-28 | 2013-06-06 | Rothamsted Research Limited | Air sampling device |
CN102419268A (en) * | 2011-12-20 | 2012-04-18 | 黑龙江省电力科学研究院 | Solid particle collecting device of anti-condensation water backflow soaking filter |
US20150323508A1 (en) * | 2012-01-27 | 2015-11-12 | Sgs North America Inc. | Composite sampling of fluids |
CN103424286A (en) * | 2012-05-23 | 2013-12-04 | Avl北美股份有限公司 | Exhaust sampling system and method for water vapor management |
CN102879233A (en) * | 2012-10-12 | 2013-01-16 | 山东大学 | Miniature onboard reverse plug flow cloud droplet sampling device and working method thereof |
CN203310679U (en) * | 2013-06-09 | 2013-11-27 | 南开大学 | Constant-speed sampling head for carrying out aerial survey on atmospheric aerosol |
DE102013114685A1 (en) * | 2013-12-20 | 2015-06-25 | Airbus Operations Gmbh | An air sampling assembly for an aircraft, method for taking air samples from an aircraft, and an aircraft |
CN103913353A (en) * | 2014-04-10 | 2014-07-09 | 北京大学 | Gas normal pressure sampling device suitable for vehicle-mounted measurement |
CN104020020A (en) * | 2014-06-11 | 2014-09-03 | 中国环境科学研究院 | Multifunctional onboard powerless sampler |
CN204085969U (en) * | 2014-10-13 | 2015-01-07 | 北京市环境保护科学研究院 | Gasoloid isokinetic sampling device in speed change air-flow |
CN206321477U (en) * | 2016-12-29 | 2017-07-11 | 中国环境科学研究院 | It is a kind of to change the airborne sampling system of sampling system pressure automatically |
Non-Patent Citations (3)
Title |
---|
HOOK G L 等: "Dynamic solid phase microextraction for sampling of airborne sarin with gas chromatography-mass spectrometry for rapid field detection and quantification", 《JOURNAL OF SEPARATION SCIENCE》 * |
张静 等: "气溶胶采样头在无人机上安装位置的模拟", 《中国环境科学》 * |
薛婕 等: "中国主要大气污染物和温室气体的排放特征与关联性", 《资源科学》 * |
Also Published As
Publication number | Publication date |
---|---|
CN106525518B (en) | 2020-07-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9989443B2 (en) | Sampling point for a particle detector | |
CN107860552A (en) | A kind of measurement apparatus of fanjet nacelle spillage drag | |
CN205940856U (en) | Pick -up is always pressed in steam deicing | |
CN105510625A (en) | Wind speed measurement system and method of pulverized-coal-included airflow of pulverized coal feeding pipe of coal-fired boiler | |
CN109556928A (en) | A kind of fly ash sampling device and its operating method and its calibration measuring method | |
CN211292462U (en) | Aerosol particle collecting and sampling system | |
CN206321477U (en) | It is a kind of to change the airborne sampling system of sampling system pressure automatically | |
CN104501917B (en) | Super large caliber sonic nozzle group formula gas flowmeter calibrating installation | |
CN204740158U (en) | Multiple spot is from odd test flying dust sampling device | |
CN206321480U (en) | A kind of airborne sampling head for being prevented from Water vapor condensation | |
CN206321478U (en) | A kind of airborne sampling head for preventing moisture from flowing backwards | |
CN106525518A (en) | Airborne sampling system capable of automatically changing sampling system pressure and application thereof | |
CN207717325U (en) | A kind of measuring device of fanjet nacelle spillage drag | |
CN106769251A (en) | A kind of automatic sampling system and its application | |
CN104596747B (en) | A kind of vacuum device for testing flow of air pipe head | |
AU2013363794B2 (en) | Total pressure and total temperature measurement in wet gas condition | |
CN206321479U (en) | A kind of automatic sampling system | |
CN109490573A (en) | The lossless flow-speed measurement method of material and monitoring device based on resistance of pipe system characteristic in pneumatic conveying | |
CN205538932U (en) | Air current and compound detection device of laser | |
CN106596201A (en) | Airborne sampling head capable of preventing water vapor from coagulating and application thereof | |
CN106596200A (en) | Onboard sampling head capable of preventing water from flowing reversely and application of onboard sampling head | |
CN203490155U (en) | Dust concentration detecting device | |
CN103175752A (en) | Intelligent online isokinetic sampling equipment | |
CN206417210U (en) | A kind of guarded drainage air speed tubular construction | |
CN105865797B (en) | A kind of aircraft engine fire-extinguishing test assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: 20200707 Termination date: 20201229 |