CN106918474A - A kind of device for gathering dust in air - Google Patents
A kind of device for gathering dust in air Download PDFInfo
- Publication number
- CN106918474A CN106918474A CN201710285454.1A CN201710285454A CN106918474A CN 106918474 A CN106918474 A CN 106918474A CN 201710285454 A CN201710285454 A CN 201710285454A CN 106918474 A CN106918474 A CN 106918474A
- Authority
- CN
- China
- Prior art keywords
- air
- chassis
- outlet slit
- air outlet
- gathering dust
- 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.)
- Withdrawn
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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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- 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
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- 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)
- Filtering Of Dispersed Particles In Gases (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of device for gathering dust in air, including air outlet slit, the first conduit, the second conduit, air intake, cabinet, chassis, joining piece, suction tray, pachimeter, wire, little particle leakage prevention sheet, check weighing piece, distribute cover, filter membrane.The present invention provides the air particle sampling apparatus that a kind of energy molecule with bulky grain separate.By installing little particle leakage prevention sheet in the air outlet slit of device, little particle that is filter membrane is unadsorbed and dropping is collected by filtration, and the accuracy of sampled data is effectively ensured.High-speed air enters inside device, forms the swirling eddy along outer wall from top to bottom, and the particulate matter inertia more than 10 μm is larger, under the influence of centrifugal force, bulky grain thing loses the energy of advance in constantly being clashed into barrel, by air-flow and the collective effect of gravity, falls into chassis；Particulate matter inertia less than 10 μm is small, under pressure differential effect, rises along gas vent, reaches thick, fine particle in separation air.
Description
Technical field
The present invention relates to a kind of device for gathering dust in air.
Background technology
Air particle andersen sampler is a kind of sampler for gathering different grain size particulate matter in air.Often at present
Have and be divided into multiple grades by particle size size, they are all the particles of the principle design impacted using tandem
Degree separator, in addition with dichromatomous sampler, can gather less particulate matter in air, and be divided into coarse grain and particulate two
Kind.The different grain size particulate matter that andersen sampler is collected, can study difference of chemical substance contained therein and pattern etc., these
Information can inhale the important evidence of people's harmful substance as pollution source, control is differentiated.
But existing air particles harvester still suffers from certain shortcoming when in use, the thickness in gatherer process
Separating not comprehensively easily occurs when separating in grain, and it is not accurate to be easily caused collection data out, there is error.Therefore, for
Above mentioned problem proposes a kind of device for gathering dust in air.
The content of the invention
The purpose of the present invention is that and a kind of device for gathering dust in air is provided to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of device for gathering dust in air, bag
Air outlet slit is included, filter membrane is installed in the air intake inside, and the filter membrane side connects the first conduit, the filter membrane lower section
Check weighing piece is installed, and little particle leakage prevention sheet is installed in check weighing piece lower section, the air outlet slit side connects air intake, and institute
State air outlet slit opposite side and connect the second conduit, the air outlet slit bottom sets and distributes cover, and the cover lower section that distributes is pacified
Suction tray is installed in cartridge chassis, chassis side connecting wire, and the bottom, and pachimeter is installed in the suction tray bottom.
Preferably, the air outlet slit runs through cabinet with the air intake by conduit.
Preferably, the chassis is fixedly connected the suction tray by joining piece.
Preferably, the little particle leakage prevention sheet is arcuate structure.
Preferably, the wire runs through the chassis.
Preferably, the chassis is inverted trapezoidal structure.
The beneficial effects of the invention are as follows：The present invention provides a kind of air that effectively molecule can be separated with bulky grain
Grain thing sampling apparatus.By installing little particle leakage prevention sheet in the air outlet slit of device, drop small by filter membrane is unadsorbed
Grain is collected by filtration, and bulky grain is filtered to tray bottom, then bulky grain is adsorbed on suction tray by suction tray, is effectively ensured
The accuracy of sampled data.High velocity air enters inside device, the swirling eddy along outer wall from top to bottom is formed, more than 10 μm
Particulate matter inertia it is larger, under the influence of centrifugal force, be thrown on barrel, these bulky grain things constantly with barrel clash into lose
The energy for advancing is removed, by air-flow and the collective effect of gravity, is fallen into chassis；Particulate matter inertia less than 10 μm is small, be difficult by
It is thrown on barrel, under pressure differential effect, rises along gas vent, reaches the thick, purpose of fine particle in separation air.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is configuration schematic diagram of the present invention；
In figure：1st, air outlet slit, the 2, first conduit, the 3, second conduit, 4, air intake, 5, cabinet, 6, chassis, 7, linking
Piece, 8, suction tray, 9, pachimeter, 10, wire, 11, little particle leakage prevention sheet, 12, check weighing piece, 13, distribute cover, 14, filter membrane.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-2, a kind of device for gathering dust in air, including air outlet slit 1, air intake 1
Filter membrane 14 is installed in inside, and the side of filter membrane 14 connects the first conduit 2, and check weighing piece 12, and check weighing piece 12 are installed in the lower section of filter membrane 14
Little particle leakage prevention sheet 11, the side of air outlet slit 1 connection air intake 4, and the opposite side of air outlet slit 1 connection second are installed and are led in lower section
Spool 3, the bottom of air outlet slit 1 sets and distributes cover 13, and distributes the lower section installation chassis 6 of cover 13, the side connecting wire 10 of chassis 6,
And suction tray 8 is installed in bottom, pachimeter 9 is installed in the bottom of suction tray 8.
Used as a kind of technical optimization scheme of the invention, air outlet slit 1 runs through cabinet 5 with air intake 4 by conduit,
By the protective effect of cabinet 5, all operations are made to be carried out in cabinet inside.
Used as a kind of technical optimization scheme of the invention, chassis 6 is fixedly connected suction tray 8 by joining piece 7, by dismounting
Joining piece 7 is so as to realize the dismounting to chassis 6, convenient detection.
Used as a kind of technical optimization scheme of the invention, little particle leakage prevention sheet 11 is arcuate structure, plays certain buffering and makees
With, and little particle is filtered to the filter membrane 14 of conduit upper end, and adsorbed by filter membrane 14.
Used as a kind of technical optimization scheme of the invention, wire 10 runs through chassis 6, and wire 10 is through base 6 and is connected to
It is that suction tray 8 provides power source on the suction tray 8 of the bottom of base 6, it is produced suction for adsorbing bulky grain.
Used as a kind of technical optimization scheme of the invention, chassis 6 is inverted trapezoidal structure, it is ensured that bulky grain can be from chassis 6
Slid on inwall to suction tray 8.
The present invention when in use, first, device is fixedly mounted, and air intake 4 is connected on blower fan, by blower fan
Make air at a high speed bring into inside device, secondly, starter, high velocity air enter device inside, formed along pipe inner wall by
Swirling eddy under above, because the particulate matter inertia more than 10 μm is larger, under the influence of centrifugal force, is thrown on catheter wall,
These bulky grain things lose the energy of advance in constantly being clashed into catheter wall, by air-flow and the collective effect of gravity, fall into bottom
In disk 6, and adsorbed by suction tray 8, pachimeter 9 measures the weight difference of suction tray 8；Particulate matter inertia less than 10 μm is small, no
Easily it is thrown on tube wall, under pressure differential effect, rises along gas vent 1, is filtered little particle by little particle leakage prevention sheet 11
To filter membrane 14, adsorbed by filter membrane 14, and the little particle for dropping is adsorbed by little particle leakage prevention sheet 11, is measured by check weighing piece 12
Filter membrane 14 and the weight difference of little particle leakage prevention sheet 11, so as to measure short grained weight, complete to use.
Beneficial effects of the present invention：The present invention provides a kind of air particles that effectively molecule can be separated with bulky grain
Thing sampling apparatus.By installing little particle leakage prevention sheet in the air outlet slit of device, filter membrane is the unadsorbed and little particle that drops
It is collected by filtration, and bulky grain is filtered to tray bottom, then bulky grain is adsorbed on suction tray by suction tray, is effectively ensured and adopts
The accuracy of sample data.High velocity air enters inside device, the swirling eddy along outer wall from top to bottom is formed, more than 10 μm
Particulate matter inertia is larger, under the influence of centrifugal force, is thrown on barrel, and these bulky grain things lose in constantly being clashed into barrel
The energy of advance, by air-flow and the collective effect of gravity, falls into chassis；Particulate matter inertia less than 10 μm is small, is difficult to be got rid of
Onto barrel, under pressure differential effect, rise along gas vent, reach the thick, purpose of fine particle in separation air.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of device for gathering dust in air, including air outlet slit（1）, it is characterised in that：The air intake（1）
Inside is installed by filter membrane（14）, and the filter membrane（14）Side connects the first conduit（2）, the filter membrane（14）Lower section is installed by check weighing
Piece（12）, and the check weighing piece（12）Lower section is installed by little particle leakage prevention sheet（11）, the air outlet slit（1）Side connection air enters
Mouthful（4）, and the air outlet slit（1）Opposite side connects the second conduit（3）, the air outlet slit（1）Bottom sets and distributes cover
（13）, and described distribute cover（13）Lower section installation chassis（6）, the chassis（6）Side connecting wire（10）, and bottom peace
Dress suction tray（8）, the suction tray（8）Bottom is installed by pachimeter（9）.
2. a kind of device for gathering dust in air according to claim 1, it is characterised in that：The air outlet slit
（1）With the air intake（4）Cabinet is run through by conduit（5）.
3. a kind of device for gathering dust in air according to claim 1, it is characterised in that：The chassis（6）
By joining piece（7）It is fixedly connected the suction tray（8）.
4. a kind of device for gathering dust in air according to claim 1, it is characterised in that：The little particle is prevented
Dropping fraction（11）It is arcuate structure.
5. a kind of device for gathering dust in air according to claim 1, it is characterised in that：The wire（10）
Through the chassis（6）.
6. a kind of device for gathering dust in air according to claim 1, it is characterised in that：The chassis（6）
It is inverted trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285454.1A CN106918474A (en) | 2017-04-27 | 2017-04-27 | A kind of device for gathering dust in air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710285454.1A CN106918474A (en) | 2017-04-27 | 2017-04-27 | A kind of device for gathering dust in air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106918474A true CN106918474A (en) | 2017-07-04 |
Family
ID=59567407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710285454.1A Withdrawn CN106918474A (en) | 2017-04-27 | 2017-04-27 | A kind of device for gathering dust in air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106918474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782591A (en) * | 2017-10-20 | 2018-03-09 | 重庆美高科技有限公司 | A kind of dust collecting device |
-
2017
- 2017-04-27 CN CN201710285454.1A patent/CN106918474A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782591A (en) * | 2017-10-20 | 2018-03-09 | 重庆美高科技有限公司 | A kind of dust collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170704 |
|
| WW01 | Invention patent application withdrawn after publication |