CN209311160U - Air sample airbag samples auto-flushing air charging system - Google Patents
Air sample airbag samples auto-flushing air charging system Download PDFInfo
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- CN209311160U CN209311160U CN201821922056.2U CN201821922056U CN209311160U CN 209311160 U CN209311160 U CN 209311160U CN 201821922056 U CN201821922056 U CN 201821922056U CN 209311160 U CN209311160 U CN 209311160U
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- air
- airbag
- switch
- air outlet
- outlet valve
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Abstract
The utility model proposes a kind of air sample airbags to sample auto-flushing air charging system, solves the problems, such as to be easy contaminated samples when air sampling in the prior art.The device includes that the sampling pump connect, intake valve, airbag, pressure gauge and air outlet valve are sequentially connected by pipeline, and air enters from the sampling pump, is discharged from the air outlet valve；It is in parallel between sampling switch pump and the wherein intake valve switch, and power supply is series at by pressure switch, the pressure switch is controlled by the pressure gauge；In parallel between the outlet threshold switch and the pressure switch, the outlet threshold switch is also in series with the time relay and is connected to the power supply；After the power supply is connected, the equal work once electrified of sampling pump, intake valve, the time relay, air outlet valve, the time relay disconnects after reaching setting time, air outlet valve is closed, and when the pressure gauge reaches setting numerical value, the pressure switch is disconnected, the sampling pump stops working, and the intake valve is closed.
Description
Technical field
The utility model relates to gaseous samples to acquire automatic control device technical field, particularly relate to a kind of structure it is simple,
Air sample airbag easy to use samples auto-flushing air charging system.
Background technique
When acquiring natural atmosphere sample progress carbon dioxide, carbon isotope analysis, existing sampling configuration is by sampling people
The manual sampling pump that opens and closes completes sampling, although operator may exit off sampler bag avoids people's breathing two when airbag cleans
Carbonoxide contaminated samples, but the close sampler bag of operator's needs manually completes the outlet of closing airbag, pressurization is inflated after cleaning
With the work for closing sampling pump, holds the breath by operator and avoid not contaminated samples and unreliable.It is needed in sampling process simultaneously
Operator oneself is wanted to pay close attention to washing time, when the decision of airbag degrees of expansion stops sampling pump, sampling punching by visual observation when inflation
Wash time and airbag the blowing pressure poor repeatability.
Utility model content
The utility model proposes a kind of air sample airbags to sample auto-flushing air charging system, and it is hollow to solve the prior art
The problem of contaminated samples are easy when gas samples.
The technical solution of the utility model is achieved in that air sample airbag samples auto-flushing air charging system, packet
It including and is sequentially connected the sampling pump connect, intake valve, airbag, pressure gauge and air outlet valve by pipeline, air enters from the sampling pump,
It is discharged from the air outlet valve；
It is in parallel between sampling switch pump and the wherein intake valve switch, and power supply, the pressure are series at by pressure switch
Switch is controlled by the pressure gauge；
In parallel between the outlet threshold switch and the pressure switch, the outlet threshold switch is also in series with the time relay
And it is connected to the power supply；
After the power supply is connected, the equal work once electrified of sampling pump, intake valve, the time relay, air outlet valve, the time relay
Device disconnects after reaching setting time, and air outlet valve is closed, and when the pressure gauge reaches setting numerical value, the pressure switch is disconnected, institute
It states sampling pump to stop working, the intake valve is closed.
As a preferred embodiment, the intake valve is direct acting diaphragm type 2/2-way normal closed gate, air outlet valve
For the normally closed 304 stainless steel dry seal ball valve of 2/2-way.
As a preferred embodiment, being additionally provided with stainless steel material on pipeline between the airbag and air outlet valve
Quick connector, the interior O-ring seal for being equipped with fluorubber material.
As a preferred embodiment, the power supply is 24VDC.
As a preferred embodiment, further including a box body, the box body is equipped with the buckle closure for closing it, institute
It states sampling pump, intake valve, airbag, pressure gauge and air outlet valve to be all set in the box body, is provided with confession on the side wall of the box body
The through-hole that pipeline both ends are stretched out, through-hole described in two are located on the opposite face of the box body.
As a preferred embodiment, being additionally provided with filter screen at the air intlet of the pipeline.
After above-mentioned technical proposal, the beneficial effects of the utility model are: the air sample airbag of the utility model
Auto-flushing air charging system is sampled in use, power supply, which connects post-sampling pump, intake valve, the time relay, air outlet valve, obtains electrician
Make, sampling pump at this time starts to extract the flushing that natural air is blown into progress airbag in airbag, reaches setting to the time relay
Time after disconnect, air outlet valve at this time is closed, and the flushing work of airbag is completed, and sampling pump continues to be blown into sky into airbag
Gas, the air pressure in airbag is gradually increased, and when pressure gauge reaches the numerical value of setting, pressure switch is disconnected, and sampling pump stops work
Make, while intake valve is closed, guarantee the thorough isolation of environment in airbag, under normal circumstances, the time of time relay setting can
For 10min, time period can guarantee and thoroughly be rinsed to airbag, minimize the influence to air sample, pressure gauge
Set numerical value as 0.6PSI.And the device is after being powered up, and personnel can leave, and can effectively avoid operator close to adopting
Sample is polluted when sample airbag, and flushing and the inflating pressure of airbag can be automatically performed, samples washing time and sample
Product cutoff pressure is automatically controlled by device, reduces manual labor amount, while being reduced manual control and being caused to sample acquisition
Uncertainty.
Sampling pump, intake valve, airbag, pressure gauge and air outlet valve are all set in box body, can be facilitated to package unit
Carrying, setting through-hole is stretched out for the both ends of pipeline in the opposite two side walls of box body, can make the air inlet and outlet of pipeline
Mouth is separate, avoids having an impact air sample.
Filter screen is arranged at the air intlet of pipeline can filter out the impurity such as dust particles contained in air, avoid
It is impacted in into sampling pump or airbag.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is the electrical block diagram of the embodiment；
In figure: 1- sampling pump；2- intake valve；3- airbag；4- quick connector；5- pressure gauge；6- air outlet valve；7- air inlet pipe
Road；8- outlet pipe；9- box body；10- pressure switch；The 11- time relay；12- filter screen.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment:
As shown in Figure 1, a kind of embodiment of auto-flushing air charging system is sampled for the utility model air sample airbag,
Including passing through the sequentially connected sampling pump 1 of pipeline, intake valve 2, airbag 3, pressure gauge 5 and air outlet valve 6, in the air of sampling pump 1
Entrance is equipped with air inlet pipeline 7, is equipped with outlet pipe 8 at the air outlet slit of air outlet valve 6, when sampling pump 1 starts, the stream of air
Dynamic route is 6 → outlet pipe of air inlet pipeline 7 → sampling pump, 1 → intake valve, 2 → airbag, 3 → pressure gauge, 5 → air outlet valve 8.
As shown in Fig. 2, being the electrical block diagram of the utility model, power supply is the lithium battery of 24V, a 3400mAh
Group, it is in parallel between the switch and the switch of intake valve 2 of sampling pump 1, and be series on power supply by pressure switch 10, that is, pressure
Power switch 10 controls the movement of sampling pump 1 and intake valve 2 simultaneously.Meanwhile pressure switch 10 is also by the control of the pressure gauge 5,
When the pressure value that pressure gauge 5 is sensed reaches setting numerical value, i.e., pressure switch 10 is issued and instructed, control its movement.
In addition, the switch of air outlet valve 6 is in parallel between the pressure switch 10, the switch of air outlet valve 6 also series connection having time
Relay 11.
The action process of foregoing circuit is: after power supply is connected, sampling pump 1, intake valve 2, the time relay 11, air outlet valve
6 equal work once electrifieds, sampling pump 1 at this time, which starts to extract natural air, is blown into the flushing that airbag 3 is carried out in airbag 3, to the time after
Disconnected after the time that electric appliance 11 reaches setting, air outlet valve 6 at this time is closed, and the flushing work of airbag 3 is completed, sampling pump 1 after
Continuing and is blown into air into airbag 3, the air pressure in airbag 3 is gradually increased, when pressure gauge 5 reaches the numerical value of setting, pressure switch
10 disconnect, and sampling pump 1 stops working, while intake valve 2 is closed, and guarantee the thorough isolation of environment in airbag 3, ordinary circumstance
Under, the time that the time relay 11 is set can be 10min, and time period, which can guarantee, once thoroughly rinse to airbag 3,
The influence to air sample is minimized, pressure gauge 5 sets numerical value as 0.6PSI.And the device is after being powered up, people
Member can leave, and can effectively avoid and pollute when operator is close to sample airbag 3 to sample, and can be automatically performed airbag
3 flushing and inflating pressure, sample washing time and sample cutoff pressure is automatically controlled by device, reduce hand labor
Amount, while reducing manual control to uncertainty caused by sample acquisition.
What the intake valve 2 in the embodiment was selected is direct acting diaphragm type 2/2-way normal closed gate, powers off the shut-in time
Fastly, it Rapid reset can close in the present apparatus when sampling pump 1 is closed to lock the gas in airbag 3；What air outlet valve 6 was selected
It is the normally closed 304 stainless steel dry seal ball valve of 2/2-way, gas outlet valve latus rectum is big, when will not be because of 1 fast aeration of sampling pump
Pressure is accumulated initiation airbag 3 in airbag 3 and is burst.Stainless steel material is additionally provided on pipeline between airbag 3 and air outlet valve 6
Quick connector 4, in be equipped with the O-ring seal of fluorubber material, have the effect of corrosion-resistant anti-aging, this set can be permitted
Perhaps air tight when rotating air outlet valve 6, facilitate removing for airbag 3.The quick connector 4 can be with there is the fast insert-pull connector of valve to replace
In generation, can flick connector by lower button by one hand, and spring valve built in connector, closing gas circuit in break connector moment prevents from revealing.
Finally, the carrying of package unit for convenience, the embodiment is also by sampling pump 1, intake valve 2, airbag 3, pressure gauge 5
It is all set in a box body 9 with air outlet valve 6, which is equipped with the buckle closure for closing it, in opposite two of box body 9
Through-hole is had on a side, air inlet pipeline 7 is stretched out from the two opposite through-holes respectively with outlet pipe 8, can make pipe
The air inlet and air outlet on road are separate, avoid having an impact air sample.And filter screen 12 is also set up at air inlet pipeline 7
The impurity such as dust particles contained in air can be filtered out, avoids enter into sampling pump 1 or airbag 3 and it is impacted.
The air sample airbag sampling auto-flushing air charging system structure of the utility model is simple, easy to use, is connecting
After power supply, personnel can be left, and be can effectively avoid and polluted when operator is close to sample airbag to sample, and can be automatic
Flushing and the inflating pressure for completing airbag, sample washing time and sample cutoff pressure is automatically controlled by device, reduce people
The work amount of labour, while reducing manual control to uncertainty caused by sample acquisition.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. air sample airbag samples auto-flushing air charging system, it is characterised in that: including being sequentially connected adopting of connecing by pipeline
Sample pump, intake valve, airbag, pressure gauge and air outlet valve, air enter from the sampling pump, are discharged from the air outlet valve；
It is in parallel between sampling switch pump and the wherein intake valve switch, and power supply, the pressure switch are series at by pressure switch
It is controlled by the pressure gauge；
In parallel between the outlet threshold switch and the pressure switch, the outlet threshold switch is also in series with the time relay and company
It is connected to the power supply；
After the power supply is connected, the equal work once electrified of sampling pump, intake valve, the time relay, air outlet valve, the time relay is arrived
It is disconnected after up to setting time, air outlet valve is closed, and when the pressure gauge reaches setting numerical value, the pressure switch is disconnected, described to adopt
Sample pump stops working, and the intake valve is closed.
2. air sample airbag as described in claim 1 samples auto-flushing air charging system, it is characterised in that: the intake valve
For direct acting diaphragm type 2/2-way normal closed gate, air outlet valve is the normally closed 304 stainless steel dry seal ball valve of 2/2-way.
3. air sample airbag as described in claim 1 samples auto-flushing air charging system, it is characterised in that: the airbag with
The quick connector of stainless steel material is additionally provided on pipeline between air outlet valve, the interior O-ring seal for being equipped with fluorubber material.
4. air sample airbag as described in claim 1 samples auto-flushing air charging system, it is characterised in that: the power supply is
24VDC。
5. air sample airbag as described in claim 1 samples auto-flushing air charging system, it is characterised in that: further include a box
Body, the box body are equipped with the buckle closure for closing it, and the sampling pump, intake valve, airbag, pressure gauge and air outlet valve are respectively provided with
In in the box body, being provided with the through-hole stretched out for pipeline both ends on the side wall of the box body, through-hole described in two is located at described
On the opposite face of box body.
6. air sample airbag as claimed in claim 5 samples auto-flushing air charging system, it is characterised in that: the pipeline
Filter screen is additionally provided at air intlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922056.2U CN209311160U (en) | 2018-11-21 | 2018-11-21 | Air sample airbag samples auto-flushing air charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922056.2U CN209311160U (en) | 2018-11-21 | 2018-11-21 | Air sample airbag samples auto-flushing air charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311160U true CN209311160U (en) | 2019-08-27 |
Family
ID=67673976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922056.2U Expired - Fee Related CN209311160U (en) | 2018-11-21 | 2018-11-21 | Air sample airbag samples auto-flushing air charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209311160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387405A (en) * | 2018-11-21 | 2019-02-26 | 临安区域大气本底站 | Air sample airbag samples auto-flushing air charging system |
| CN111504734A (en) * | 2020-04-30 | 2020-08-07 | 江苏星亚迪环境科技有限公司 | Low-pressure gas sampler |
| CN113670675A (en) * | 2020-05-14 | 2021-11-19 | 中国石油化工股份有限公司 | Gas closed sampler |
-
2018
- 2018-11-21 CN CN201821922056.2U patent/CN209311160U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387405A (en) * | 2018-11-21 | 2019-02-26 | 临安区域大气本底站 | Air sample airbag samples auto-flushing air charging system |
| CN111504734A (en) * | 2020-04-30 | 2020-08-07 | 江苏星亚迪环境科技有限公司 | Low-pressure gas sampler |
| CN113670675A (en) * | 2020-05-14 | 2021-11-19 | 中国石油化工股份有限公司 | Gas closed sampler |
| CN113670675B (en) * | 2020-05-14 | 2024-04-09 | 中国石油化工股份有限公司 | Gas airtight sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20211121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |