CN208350460U - A kind of gas sampler - Google Patents
A kind of gas sampler Download PDFInfo
- Publication number
- CN208350460U CN208350460U CN201721640491.1U CN201721640491U CN208350460U CN 208350460 U CN208350460 U CN 208350460U CN 201721640491 U CN201721640491 U CN 201721640491U CN 208350460 U CN208350460 U CN 208350460U
- Authority
- CN
- China
- Prior art keywords
- gas
- aspiration pump
- sampling
- shell
- airbag
- 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.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of gas sampler, belong to surrounding air and stationary source exhaust gas sample devices technical field, the sampler includes shell, and the surface of shell is provided with intake interface, airbag interface and exhaust port, and shell is internally provided with flowmeter, aspiration pump and gas circuit threeway.The utility model is equipped with inflation and is evacuated double function, have many advantages, such as sampling it is uniform it is convenient, do not limited by power supply, facilitate field sampling, the sampling of airbag, absorption bottle, sampling pipe can be widely used in.
Description
Technical field
The utility model relates to surrounding air and stationary source exhaust gas sample devices technical field more particularly to a kind of gas
Sampler body device.
Background technique
Non-methane total hydrocarbons (NMHC) typically refers to all volatilizable hydrocarbons in addition to methane
C2 ~ C8), also known as non-methane total hydrocarbons.NMHC in atmosphere is more than a certain concentration, except directly to human health in addition to, certain
Under the conditions of through solar radiation can also generate photochemical fog, cause damages to environment and the mankind.Monitor surrounding air and Industry Waste
There are many methods by NMHC in gas, most of at present to use gas chromatography.Most of non-methane total hydrocarbons is acquired in China's standard
Use glass syringe.Discovery non-methane total hydrocarbons concentration decline in glass syringe is very fast in actual analysis work, carries
It is easy breakage in the process, assay value is often poor with other pollution factor concentration correlations.Aluminium foil gas production bag, polyvinyl fluoride gas production
Bag, gas production bag of liner silanization etc., are increasingly becoming the substitution sampling container of glass syringe.
Airbag needs Reusability pure air to be cleaned as sampling container before sampling, carry out after completing airbag cleaning
Inflation sampling.Cleaning process includes that two parts are inflated and are evacuated.Simple inflation and pumping process are by manually using duplex ball
It completes, or passes through while using inflator pump and vacuum pump, to complete the cleaning to airbag.Usual duplex ball sample rate is slow,
Sampling is discontinuous, while requiring duplex ball material relatively high.In addition the environment power supply use of non-methane total hydrocarbons sampling is limited
System.
Summary of the invention
The utility model provides a kind of gas sampler, common is asked with solve to propose in the studies above background technique
Topic.The utility model is equipped with inflation and is evacuated double function, has that sampling is uniformly convenient, is not limited by power supply, field is facilitated to adopt
The advantages that sample, can be widely used in the sampling of airbag, absorption bottle, sampling pipe.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that
A kind of gas sampler, which is characterized in that including shell, the surface of the shell is provided with intake interface, airbag
Interface and exhaust port, the shell are internally provided with flowmeter, aspiration pump and gas circuit threeway, in which: the aspiration pump packet
The first aspiration pump and the second aspiration pump are included, the air inlet of the flowmeter is connected to intake interface, and the gas outlet of the flowmeter connects
The air inlet of logical first aspiration pump, the first air inlet of the gas outlet connection gas circuit threeway of first aspiration pump, the gas circuit
Second air inlet of threeway connects the air inlet of the second aspiration pump, and airbag interface, institute are connected in the gas outlet of second aspiration pump
Airbag interface is connected in the gas outlet for stating gas circuit threeway.
Further, the enclosure interior is provided with battery and power circuit, and the battery and power circuit are used to be gas
Sampler body device provides electric energy.
Further, the surface of the shell is additionally provided with control switch, and the control switch for controlling first respectively
Aspiration pump and the second aspiration pump.
Further, the surface of the shell is additionally provided with LCD Controlling screen, and the LCD Controlling screen is separately connected described
Sampling time, sampling flow can be set by the LCD Controlling screen in flowmeter and aspiration pump.
Further, the surface of the shell is additionally provided with power switch, sampling/reset switch.
A kind of gas sampler of the utility model has the advantages that
The utility model provides a kind of gas sampler, belongs to surrounding air and stationary source exhaust gas sample devices skill
Art field, the sampler include shell, and the surface of shell is provided with intake interface, airbag interface and exhaust port, shell it is interior
Portion is provided with flowmeter, aspiration pump and gas circuit threeway.The utility model is equipped with inflation and is evacuated double function, has sampling uniform
It is convenient, do not limited by power supply, facilitate the advantages that field sampling, the sampling of airbag, absorption bottle, sampling pipe can be widely used in.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of gas sampler of the utility model；
Fig. 2 is a kind of operation principle schematic diagram of gas sampler of the utility model.
Specific embodiment
Shown in reference to the accompanying drawings, the utility model is further described:
As shown in Figure 1, 2, a kind of modular gas sampler provided by the embodiment of the utility model, including shell, it is described
The surface of shell is provided with intake interface, airbag interface and exhaust port, and the shell is internally provided with flowmeter, aspiration pump
With gas circuit threeway, in which: the aspiration pump include the first aspiration pump and the second aspiration pump, the air inlet of the flowmeter be connected into
Gas interface, the gas outlet of the flowmeter are connected to the air inlet of the first aspiration pump, and the gas outlet of first aspiration pump is connected to gas
First air inlet of road threeway, the second air inlet of the gas circuit threeway connect the air inlet of the second aspiration pump, and described second takes out
Airbag interface is connected in the gas outlet of air pump, and airbag interface is connected in the gas outlet of the gas circuit threeway.
It should be noted that filtering material built in gas sampler, samples for stationary source exhaust gas, with intake interface
Connection.Equipment internal gas pipeline samples chemical inert material and carries out coating, carries out silanization.
Specifically, the enclosure interior is provided with battery and power circuit, the battery and power circuit are used to be gas
Sampler provides electric energy, can be adapted for outwork.
Specifically, the surface of the shell is additionally provided with control switch, the control switch is taken out for control first respectively
Air pump and the second aspiration pump, are inflated and are evacuated the switching of working condition.
When control switch is in pumping shelves, into gas circuit 1. mode.Gas is entered by intake interface, is controlled through flowmeter
Gas circuit flow, the first vacuum pump provide power, by gas circuit threeway air inlet, arrive airbag interface.This is gas circuit 1. mould
Formula.1. mode can carry out general absorption bottle/pipe sampling and airbag sampling to gas circuit.When carrying out general absorption bottle/pipe sampling, absorb
Bottle/pipe is connect with air-path interface, at this point, airbag interface is " gas outlet " of sampling.Gas circuit 1. mode carry out airbag sampling when, will
Airbag is connect with airbag interface, and intake interface is " inlet end ", and intake interface can be connect with gas sampler.
When control switch is in exhaust shelves, this function is only used for the degassing function of airbag sampling, into gas circuit 2. mode.
Second vacuum pump provides power, and gas in airbag is discharged by gas circuit threeway exhaust end by pipeline.
The surface of shell of the sampler is additionally provided with LCD Controlling screen, and the LCD Controlling screen is separately connected the flowmeter
And aspiration pump, sampling time, sampling flow can be set by the LCD Controlling screen, the surface of shell is additionally provided with power supply and opens
It closes, sampling/reset switch, by sampling ,/reset switch to start/stops sampling.
It should be noted that the housing side of the sampler is provided with the support hangar for installing sampling bottle.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of gas sampler, which is characterized in that including shell, the surface of the shell is provided with intake interface, airbag connects
Mouthful and exhaust port, the shell be internally provided with flowmeter, aspiration pump and gas circuit threeway, in which: the aspiration pump includes
First aspiration pump and the second aspiration pump, the air inlet of the flowmeter are connected to intake interface, the gas outlet connection of the flowmeter
The air inlet of first aspiration pump, the first air inlet of the gas outlet connection gas circuit threeway of first aspiration pump, the gas circuit three
The second logical air inlet connects the air inlet of the second aspiration pump, and airbag interface is connected in the gas outlet of second aspiration pump, described
Airbag interface is connected in the gas outlet of gas circuit threeway.
2. gas sampler according to claim 1, which is characterized in that the enclosure interior is provided with battery and power supply electricity
Road, the battery and power circuit are used to provide electric energy for gas sampler.
3. gas sampler according to claim 2, which is characterized in that the surface of the shell is additionally provided with control and opens
It closes, the control switch for controlling the first aspiration pump and the second aspiration pump respectively.
4. gas sampler according to claim 3, which is characterized in that the surface of the shell is additionally provided with LCD Controlling
Screen, the LCD Controlling screen is separately connected the flowmeter and aspiration pump, when sampling can be set by the LCD Controlling screen
Between, sampling flow.
5. gas sampler according to claim 4, which is characterized in that the surface of the shell is additionally provided with power supply and opens
It closes, sampling/reset switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721640491.1U CN208350460U (en) | 2017-11-30 | 2017-11-30 | A kind of gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721640491.1U CN208350460U (en) | 2017-11-30 | 2017-11-30 | A kind of gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350460U true CN208350460U (en) | 2019-01-08 |
Family
ID=64873881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721640491.1U Active CN208350460U (en) | 2017-11-30 | 2017-11-30 | A kind of gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208350460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665331A (en) * | 2019-10-10 | 2020-01-10 | 清华大学 | Portable smell collection system and play device |
-
2017
- 2017-11-30 CN CN201721640491.1U patent/CN208350460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665331A (en) * | 2019-10-10 | 2020-01-10 | 清华大学 | Portable smell collection system and play device |
| CN110665331B (en) * | 2019-10-10 | 2021-03-23 | 清华大学 | Portable smell collection system and play device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210513837U (en) | Gas sampling and collecting device | |
| CN205027766U (en) | Arena analysis appearance | |
| CN109342124A (en) | A kind of gas sampling detection device for laboratory | |
| CN202693376U (en) | Low-cost portable rapid sample pumping filtration device | |
| CN204034757U (en) | A kind of pipette Rapid Cleaning and get liquid servicing unit | |
| CN208350460U (en) | A kind of gas sampler | |
| CN204286887U (en) | A kind of environmental monitoring gas sampling device | |
| CN202822446U (en) | Medical negative pressure aspirator | |
| CN209495880U (en) | A kind of environmental protection waste water treatment detection sampling apparatus | |
| CN207248584U (en) | A kind of source of atmospheric pollution monitoring sampling apparatus | |
| CN213054909U (en) | Novel glove box | |
| CN214667847U (en) | A sampling device for waste water exhaust-gas detection | |
| CN204448045U (en) | A kind of safety quantitative pipettor | |
| CN203825020U (en) | Novel full-automatic urinary sediment analyzer | |
| CN206853405U (en) | A kind of portable example pre-processes emission-control equipment | |
| CN209167236U (en) | A kind of gas chromatograph sampling filter | |
| CN206531690U (en) | A kind of indoor environment monitoring device | |
| CN202761804U (en) | Safety type precision filter lightproof infusion set | |
| CN203229483U (en) | Liquid pumping device | |
| CN213903434U (en) | Filter membrane sample pretreatment tube for measuring particulate matters by ion chromatography | |
| CN205844016U (en) | For chromatography standard oil sample oil storage bag automatic discharge equipment | |
| CN212701310U (en) | Cyclone mixed flow waste gas purification device for smoke treatment | |
| CN219777241U (en) | Synchronous sampling device | |
| CN204638644U (en) | The miniature sealing chamber dust arrester of bottle cap | |
| CN204165789U (en) | Hand electric application of sample and sample absorbing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |