CN205844035U - A kind of multi-level gas sampling apparatus - Google Patents
A kind of multi-level gas sampling apparatus Download PDFInfo
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- CN205844035U CN205844035U CN201620795833.6U CN201620795833U CN205844035U CN 205844035 U CN205844035 U CN 205844035U CN 201620795833 U CN201620795833 U CN 201620795833U CN 205844035 U CN205844035 U CN 205844035U
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- Prior art keywords
- collection
- casing
- film
- tube
- piston
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Abstract
The utility model discloses a kind of multi-level gas sampling apparatus, including collection tube, two the first filter screens, support, gear, power unit, two collection portions；The tube wall of collection tube is provided with two suction holes, and two suction holes are sequentially distributed from top to down；Being provided with two acquisition cavities, two acquisition cavities and two suction hole one_to_one corresponding in collection tube from top to down to arrange, acquisition cavity is connected with suction hole；Two the first filter screens are separately mounted on two suction holes；Pinion rotation is rack-mount, and power unit is used for driving pinion rotation；Two collection portions are arranged with two acquisition cavity one_to_one corresponding, and collection portion includes collecting unit, flexible pipe, connecting tube, collecting bottle, escape pipe；Collecting unit includes casing, piston, the first rotation film, the second rotation film, connecting rod, connector；Casing in two collection portions is installed on support, and the casing in two collection portions is distributed in the both sides of gear.
Description
Technical field
This utility model relates to gas sampling technologies field, particularly relates to a kind of multi-level gas sampling apparatus.
Background technology
Along with China's urbanization in recent years and industrialized fast development, urban air pollution problem becomes increasingly
Seriously, harm and the threat of many healthy and safe aspects is brought to urbanite.Along with many advanced analysis methodology successively
Exploitation, the analysis testing level of environmental sample is greatly improved.But, the collecting work of ambient air sample is also by many
The restriction of condition, the most conventional active sample devices of air, because volume is big, need use driven by power etc., makes the big rule in field
Mould sampling is difficult to.In order to solve this problem, scholar is had to propose the theory of passive air sampling.PAS is with surrounding medium
Between concentration difference be driving force, spread by gas molecule, absorption, deposition and penetration theory, it is achieved adsorbing material is to mesh
The capture of mark pollutant.It is little that PAS has volume, easy to carry, it is not necessary to the advantages such as electric power supply, it is possible to the longer time gathers
The organic pollution of low concentration in environment, and then obtain pollutant time weighted average concentration to reflect that the mankind are exposed to dirt for a long time
Survival state in dye environment.Public's environmental pollution, haze weather deteriorate increasingly " the people are boiled with resentment ".
Existing gas sampling assembly structure is complicated, volume is relatively big, and Detection results is poor, is further improved.
Utility model content
In order to solve technical problem present in background technology, the utility model proposes a kind of multi-level gas sampling cartridge
Put, effective, easy to use.
A kind of multi-level gas sampling apparatus, including collection tube, two the first filter screens, support, gear, power unit, two
Collection portion；
The tube wall of collection tube is provided with two suction holes, and two suction holes are sequentially distributed from top to down；From upper in collection tube
Toward having two acquisition cavities, two acquisition cavities and two suction hole one_to_one corresponding are arranged, and acquisition cavity is connected with suction hole；
Two the first filter screens are separately mounted on two suction holes；
Pinion rotation is rack-mount, and power unit is used for driving pinion rotation；
Two collection portions are arranged with two acquisition cavity one_to_one corresponding, and collection portion includes collecting unit, flexible pipe, connecting tube, adopts
Collection bottle, escape pipe；
Collecting unit includes casing, piston, the first rotation film, the second rotation film, connecting rod, connector；In two collection portions
Casing be installed on support, the casing in two collection portions is distributed in the both sides of gear；
Casing is provided with air inlet, venthole, connecting hole, installing hole, is provided with the first receiving chamber and second and accommodates in casing
Chamber；
Piston is placed in the first receiving intracavity, and piston is removable with casing to be connected；
Air inlet, connecting hole all accommodate chamber with first and are connected, and air inlet, connecting hole are positioned at the same side of piston；
Connecting hole, venthole all accommodate chamber with second and are connected；
First rotates film is placed in the first receiving intracavity, and the first end of the first rotation film is hinged with casing, and first rotates film
Second end is free end, and first rotates film is used for closing or opening air inlet；
Second rotates film is placed in the second receiving intracavity, and the first end of the second rotation film is hinged with casing, and second rotates film
Second end is free end, and second rotates film is used for closing or opening connecting hole；
Connecting rod is placed in the inner side of installing hole, and the first end of connecting rod is connected with piston, the second end of connecting rod by connector with
The edge of gear is hinged；Connector in two collection portions is respectively placed in the both sides of gear；
Air inlet is connected with acquisition cavity by flexible pipe, and the first end of connecting tube is connected with venthole, the second end of connecting tube
Being placed in collecting bottle, one end of escape pipe is connected with collecting bottle.
Preferably, the peripheral surface of piston is provided with multiple counterbore, the distribution straggly of multiple counterbores, and the aperture of counterbore is 10-20
Micron.
Preferably, collection portion also includes that multiple exhaustor, multiple exhaustors are placed in collecting bottle, multiple exhaustors all with
Connecting tube connects.
Preferably, collection portion also includes that the second filter screen, the second filter screen are placed in flexible pipe.
Preferably, flexible pipe is provided with inlet opening, and inlet opening is placed in the downstream of the second filter screen；Collection portion also includes water pump,
Water pump is connected with inlet opening.
Preferably, escape pipe is provided with heater.
In this utility model, utilize power unit driven gear to rotate, by connector, connecting rod drive piston constantly on
Lower movement, and then constantly compression the first receiving chamber.
Extraneous gas is in suction hole enters acquisition cavity, then, enters the first receiving chamber through flexible pipe, air inlet
In.
The gas of the first receiving intracavity, under piston constantly compresses, enters the second receiving chamber in connecting hole, then passes through
Venthole, connecting tube enter in collecting bottle.
In collecting bottle, place absorbing liquid, utilize absorbing liquid that gas is filtered, purify, to absorb or detention pollution
Thing；Follow-up absorbing liquid is analyzed and processed.
By arranging two suction holes, the gas of differing heights can be adopted by two collection portions respectively in classification, layering
Sample, data are more accurate, and sample effect is more preferable.
This utility model simple in construction, simple in construction, easy to use, using effect is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutual combination；Below with reference to the accompanying drawings and in conjunction with the embodiments to this utility model elaborate.
With reference to Fig. 1:
A kind of multi-level gas sampling apparatus that the utility model proposes, including 1, two the first filter screens 2 of collection tube, support 3,
Gear 4, power unit, two collection portions.
The tube wall of collection tube 1 is provided with two suction holes 5, and two suction holes 5 are sequentially distributed from top to down；In collection tube 1
Being provided with two acquisition cavities, two acquisition cavities and two suction hole 5 one_to_one corresponding from top to down to arrange, acquisition cavity is with suction hole 5 even
Connect.
Two the first filter screens 2 are separately mounted on two suction holes 5.
Gear 4 is rotatably installed on support 3, and power unit is used for driving gear 4 to rotate.
Two collection portions are arranged with two acquisition cavity one_to_one corresponding, collection portion include collecting unit, flexible pipe 6, connecting tube 7,
Collecting bottle 8, escape pipe 9.
Collecting unit includes that casing 10, piston 11, first rotate film 12, second and rotate film 13, connecting rod 14, connector 15；
Casing 10 in two collection portions is installed on support 3, and the casing 10 in two collection portions is distributed in the both sides of gear 4.
Casing 10 is provided with air inlet 16, venthole 17, connecting hole 18, installing hole, is provided with the first receiving chamber in casing 10
Chamber is accommodated with second.
Piston 11 is placed in the first receiving intracavity, and piston 11 is removable with casing 10 to be connected.
Air inlet 16, connecting hole 18 all accommodate chamber with first and are connected, and air inlet 16, connecting hole 18 are positioned at the same of piston 11
Side.
Connecting hole 18, venthole 17 all accommodate chamber with second and are connected.
First rotates film 12 is placed in the first receiving intracavity, and the first end of the first rotation film 12 is hinged with casing 10, first turn
Second end of dynamic film 12 is free end, and first rotates film 12 is used for closing or open air inlet 16.
Second rotates film 13 is placed in the second receiving intracavity, and the first end of the second rotation film 13 is hinged with casing 10, second turn
Second end of dynamic film 13 is free end, and second rotates film 13 is used for closing or open connecting hole 18.
Connecting rod 14 is placed in the inner side of installing hole, and the first end of connecting rod 14 is connected with piston 11, and the second end of connecting rod 14 passes through
Connector 15 is hinged with the edge of gear 4；Connector 15 in two collection portions is respectively placed in the both sides of gear 4.
Air inlet 16 is connected with acquisition cavity by flexible pipe 6, and the first end of connecting tube 7 is connected with venthole 17, connecting tube 7
Second end is placed in collecting bottle 8, and one end of escape pipe 9 is connected with collecting bottle 8.
In the present embodiment, the peripheral surface of piston 11 is provided with multiple counterbore, the distribution straggly of multiple counterbores, and the aperture of counterbore is
10-20 micron；Piston 11 and casing 10 can produce grinding when rubbing, and utilize counterbore to store grinding, reduce friction, improve and use the longevity
Life.
In the present embodiment, collection portion also includes multiple exhaustor 19, and multiple exhaustors 19 are placed in collecting bottle 8, multiple
Exhaustor 19 is all connected with connecting tube 7；Allow gas enter absorbing liquid by multiple exhaustors 19, improve contact area, improve and inhale
Produce effects really.
In the present embodiment, collection portion also includes that the second filter screen, the second filter screen are placed in flexible pipe 6；Foreign material are avoided to enter.
In the present embodiment, flexible pipe 6 is provided with inlet opening, and inlet opening is placed in the downstream of the second filter screen；Collection portion also includes
Water pump 20, water pump 20 is connected with inlet opening；Utilize water pump 20 that second filter screen carries out backwash, improve using effect.
In the present embodiment, escape pipe 9 is provided with heater 21；Gas is dried, it is to avoid water loss and affect
Sample effect, it is ensured that sampling precision.
Utilize power unit driven gear 4 to rotate, by connector 15, connecting rod 14 drive piston 11 constantly on move down
Dynamic, and then constantly compression the first receiving chamber.
Extraneous gas enters in acquisition cavity through suction hole 5, then, enters the first receiving through flexible pipe 6, air inlet 16
Intracavity.
The gas of the first receiving intracavity, under piston 11 constantly compresses, enters the second receiving chamber in connecting hole 18, then
Enter in collecting bottle 8 through venthole 17, connecting tube 7.
In collecting bottle 8, place absorbing liquid, utilize absorbing liquid that gas is filtered, purify, to absorb or detention pollution
Thing；Follow-up absorbing liquid is analyzed and processed.
Classification, layering the gas of differing heights can be adopted respectively by arranging 5, two collection portions of two suction holes
Sample, data are more accurate, and sample effect is more preferable.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality
Novel technical scheme and utility model thereof conceive equivalent or change in addition, all should contain at protection model of the present utility model
Within enclosing.
Claims (6)
1. a multi-level gas sampling apparatus, it is characterised in that include collection tube, two the first filter screens, support, gear, power
Unit, two collection portions；
The tube wall of collection tube is provided with two suction holes, and two suction holes are sequentially distributed from top to down；In collection tube from top to down
Being provided with two acquisition cavities, two acquisition cavities and two suction hole one_to_one corresponding to arrange, acquisition cavity is connected with suction hole；
Two the first filter screens are separately mounted on two suction holes；
Pinion rotation is rack-mount, and power unit is used for driving pinion rotation；
Two collection portions are arranged with two acquisition cavity one_to_one corresponding, collection portion include collecting unit, flexible pipe, connecting tube, collecting bottle,
Escape pipe；
Collecting unit includes casing, piston, the first rotation film, the second rotation film, connecting rod, connector；Case in two collection portions
Body is installed on support, and the casing in two collection portions is distributed in the both sides of gear；
Casing is provided with air inlet, venthole, connecting hole, installing hole, is provided with the first receiving chamber and second and accommodates chamber in casing；
Piston is placed in the first receiving intracavity, and piston is removable with casing to be connected；
Air inlet, connecting hole all accommodate chamber with first and are connected, and air inlet, connecting hole are positioned at the same side of piston；
Connecting hole, venthole all accommodate chamber with second and are connected；
First rotates film is placed in the first receiving intracavity, and the first end of the first rotation film is hinged with casing, and first rotates the second of film
End is free end, and first rotates film is used for closing or opening air inlet；
Second rotates film is placed in the second receiving intracavity, and the first end of the second rotation film is hinged with casing, and second rotates the second of film
End is free end, and second rotates film is used for closing or opening connecting hole；
Connecting rod is placed in the inner side of installing hole, and the first end of connecting rod is connected with piston, and the second end of connecting rod passes through connector and gear
Edge hinged；Connector in two collection portions is respectively placed in the both sides of gear；
Air inlet is connected with acquisition cavity by flexible pipe, and the first end of connecting tube is connected with venthole, and the second end of connecting tube is placed in
In collecting bottle, one end of escape pipe is connected with collecting bottle.
Multi-level gas sampling apparatus the most according to claim 1, it is characterised in that the peripheral surface of piston is provided with multiple heavy
Hole, the distribution straggly of multiple counterbores, the aperture of counterbore is 10-20 micron.
Multi-level gas sampling apparatus the most according to claim 1, it is characterised in that collection portion also includes multiple exhaustor,
Multiple exhaustors are placed in collecting bottle, and multiple exhaustors are all connected with connecting tube.
Multi-level gas sampling apparatus the most according to claim 1, it is characterised in that collection portion also includes the second filter screen, the
Two filter screens are placed in flexible pipe.
Multi-level gas sampling apparatus the most according to claim 4, it is characterised in that flexible pipe is provided with inlet opening, inlet opening
It is placed in the downstream of the second filter screen；Collection portion also includes water pump, and water pump is connected with inlet opening.
Multi-level gas sampling apparatus the most according to claim 1, it is characterised in that be provided with heater on escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795833.6U CN205844035U (en) | 2016-07-26 | 2016-07-26 | A kind of multi-level gas sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620795833.6U CN205844035U (en) | 2016-07-26 | 2016-07-26 | A kind of multi-level gas sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844035U true CN205844035U (en) | 2016-12-28 |
Family
ID=57640876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620795833.6U Expired - Fee Related CN205844035U (en) | 2016-07-26 | 2016-07-26 | A kind of multi-level gas sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738243A (en) * | 2019-01-26 | 2019-05-10 | 吉首大学 | A kind of high-altitude sampler for the acquisition of black carbon |
-
2016
- 2016-07-26 CN CN201620795833.6U patent/CN205844035U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738243A (en) * | 2019-01-26 | 2019-05-10 | 吉首大学 | A kind of high-altitude sampler for the acquisition of black carbon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |