CN104764894B - Full-automatic gas sample retention device - Google Patents
Full-automatic gas sample retention device Download PDFInfo
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- CN104764894B CN104764894B CN201510192354.5A CN201510192354A CN104764894B CN 104764894 B CN104764894 B CN 104764894B CN 201510192354 A CN201510192354 A CN 201510192354A CN 104764894 B CN104764894 B CN 104764894B
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- gas
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- air pump
- evacuation
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Abstract
The invention discloses a full-automatic gas sample retention device. The full-automatic gas sample retention device is characterized by comprising a sample gas retention pump, wherein the input end of the sample gas retention pump is used for connecting with a sample gas pipeline, the output end of the sample gas retention pump is connected with a sampling pipe via a flowmeter, and an evacuation valve for evacuating gas in an evacuation pipe is arranged at the tail end of the sampling pipe; a gas bag connection zone is arranged on the sampling pipe between the flowmeter and the evacuation valve, a plurality of gas bags are connected on the gas bag connection zone through branch pipes, and a communicating valve is arranged on each branch pipe; and the full-automatic gas sample retention device further comprises a controller, and the sample gas retention pump, the flowmeter, the evacuation valve and the communicating valves are electrically connected with the controller. The full-automatic gas sample retention device can be used for realizing automatic precise sample retention of gas, improving the production efficiency and saving the labor cost; and meanwhile, the full-automatic gas sample retention device can be used for ensuring that the gas has no pollution and no loss during the whole process and improving the accuracy in follow-up gas sample verification analysis.
Description
Technical field
The device the present invention relates to a kind of Full-automatic gas keep sample.
Background technology
It is gas generation and an important link in detection process that gas keeps sample, (for example public for below standard gas
The politef gas that department produces at present, have chemical stability, non-stick, lubricity and electrical insulating property, resistance to ag(e)ing and
Radiation resistance plurality of advantages, is typically used as inner lining material, and it needs to carry out detection up to standard before dispatching from the factory), will extract and store
In case follow-up calibrating, analysis and verification in one or even multiple airbag.
Conventional way relies on and manually keeps sample at present, not only wastes time and energy, makes enterprise undertake no small cost of labor, and
For exceeded gaseous sample, workman is difficult to control when should keeping sample, and leave and take how many amounts it is more likely that
Most representational sample gas can be missed or do not leave and take the gas flow reaching needed for calibrating, the research after giving, verification brings
Inconvenience.
Additionally, existing Artificial gas easily cause to keep sample the pollution of gas and loss because of misoperation during keeping sample,
Cause the inaccurate of follow-up calibrating and analysis result, do not reach due purpose.
Content of the invention
The present invention seeks to: provide a kind of Full-automatic gas to keep sample device, be capable of automatically accurately keeping sample of gas, carry
High efficiency, saves cost of labor, ensure that the whole process of gas is pollution-free simultaneously during keeping sample, lossless.
The technical scheme is that a kind of Full-automatic gas keep sample device it is characterised in that the air pump that includes keeping sample, this stays
The input of sample air pump is used for connecting with sample gas piping, and outfan connects sampling tube, the end of sampling tube through flow meters
End is provided with the exhaust-valve for gas in evacuated tube；On sampling tube between described effusion meter and exhaust-valve, setting airbag connects
Area, is connected with some airbags by arm thereon, and is equipped with communicating valve on every arm；Also include controller, described stay
Sample air pump, effusion meter, exhaust-valve and each communicating valve are all electrically connected with described controller.
Further, heretofore described sampling tube is also associated with airbag cleaning device, this device is included by evacuation
Pipe connects the evacuation air pump to sampling tube, and described evacuation tube is provided with evacuation valve；Described evacuation valve and evacuation air pump are equal
Electrically connect with described controller.
Further, heretofore described evacuation tube and the junction point position of sampling tube are located under airbag bonding pad
Trip, the upstream of exhaust-valve.
Further, heretofore described controller is pc or mcu.
Further, the heretofore described air pump that keeps sample is membrane pump with evacuating air pump, and described exhaust-valve, communicating valve
It is electromagnetic valve with evacuation valve.
The real work flow process of the present invention is as follows:
Initial: after apparatus system reset or more ventilation bag, mcu controls unlatching to evacuate air pump and whole communicating valve, evacuates entirely
Gas (residual gas of last action link or waste gas) in portion's airbag, enters normal operating conditions；
Normal operating conditions:
1) sampling tube cleaning: mcu detects the signal that keeps sample (initial signal is provided) by effusion meter, opens exhaust-valve, starts
Keep sample air pump, and draws sample gas clean sampling tube, and after reaching program predetermined time or flow, sampling tube cleaning finishes, and closes
Close keep sample air pump and exhaust-valve；
2) airbag cleaning: mcu sends control signal and is again started up the air pump that keeps sample, and open one of communicating valve (generally
To determine communicating valve opening sequence along sampling tube gas flow), predetermined (such as 300ml) is quantitatively extracted by effusion meter
The corresponding airbag of sample gas injection, closes the air pump that keeps sample immediately, starts and evacuate air pump, and open evacuation valve, evacuate described airbag
Interior gas, completes an airbag cleaning process；
Above-mentioned steps 2 according to actual needs) can repeatedly execute repeatedly；
3) gas keeps sample: opens keep sample air pump and corresponding communicating valve, quantitatively extracts the sample gas of x ml by effusion meter
The corresponding airbag of injection (user can set the sizes values of x according to airbag capacity), is then shut off keep sample air pump and corresponding communicating valve,
Complete once to keep sample.
4) keep sample signal arrival when next time, and mcu control is switched to next communicating valve and corresponding airbag, and according to
Secondary repeated execution of steps 1) sampling tube cleaning, step 2) airbag cleaning and the gas of step 3) keep sample overall process, with such
Push away, the present invention may replace the operation that keeps sample being accomplished manually multiple airbags.
It may be noted that the above-mentioned gas of the present invention keep sample, step is set and controls execution by mcu, and the program of mcu sets
Fixed and its and between effusion meter and each pump, valve connection control technology is routine techniquess, and the present invention is not described further to this.
The invention has the advantage that
1. this Full-automatic gas that the present invention provides keep sample instrument, and the gas manually realizing full-automation can be replaced to keep sample
Operation, great improve production efficiency, save cost of labor, and error present in artificial operation can be eliminated it is ensured that gas
Body is whole pollution-free during keeping sample, lossless, improves the accuracy of subsequent gases sample calibrating analysis.
2. this Full-automatic gas that the present invention provides keep sample instrument, because being designed with airbag cleaning device, can stay in gas
Before sample, airbag is cleaned multiple times it is ensured that the purity that keeps sample of gas, is eliminated the interference of residual gas, improved subsequent gases sample further
The accuracy that product examine is determined and analyzed.
3. this Full-automatic gas that the present invention provides keep sample instrument, the overall connection design adopting pump, valve and pipeline, knot
Structure is simple, closure is good, is not subject to external interference, without manual intervention, high degree of automation, and good operating stability.
Brief description
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Fig. 1 is the structural representation of the present invention.
Wherein: 1, keep sample air pump；2nd, effusion meter；3rd, airbag；4th, communicating valve；5th, evacuation valve；6th, evacuate air pump；7th, empty
Valve；8th, sampling tube；9th, controller；10th, arm；11st, evacuation tube.
Specific embodiment
Embodiment: as shown in figure 1, a kind of specific embodiment of the device that keeps sample for Full-automatic gas of the present invention, it has
Keep sample air pump 1, and the input of this air pump 1 that keeps sample is used for connecting with sample gas piping (in figure is not drawn into), and outfan is through one
Effusion meter 2 connects sampling tube 8, and the end of sampling tube 8 is provided with the exhaust-valve 7 for gas in evacuated tube.Described effusion meter 2 and row
On sampling tube 8 between empty valve 7 arrange airbag bonding pad, thereon by arm 10 be connected with some airbag 3(airbag quantity according to
Depending on being actually needed), and it is equipped with communicating valve 4 on every arm 10.
It is also associated with airbag cleaning device, this device composition is as follows: has by evacuation on sampling tube 8 in the present embodiment
Pipe 11 connects the evacuation air pump 6 to sampling tube 8, and described evacuation tube 11 is provided with evacuation valve 5.Take out described in the present embodiment
Blank pipe 11 is located at the downstream of airbag bonding pad, the upstream of exhaust-valve 7 with the junction point position of sampling tube 8.
It is additionally provided with controller 9, this controller 9 adopts mcu, the described air pump 1 that keeps sample is with evacuating air pump 6 in the present embodiment
Membrane pump, and described exhaust-valve 7, communicating valve 4 and evacuation valve 5 are electromagnetic valve.The described air pump 1 that keeps sample, effusion meter 2, exhaust-valve
7th, evacuation valve 5, evacuation air pump 6 and each communicating valve 4 are all electrically connected with described controller 9.
The real work flow process of the present embodiment is as follows:
Initial: after apparatus system reset or more ventilation bag 3, mcu controls unlatching to evacuate air pump and whole communicating valve, evacuates entirely
Gas (residual gas of last action link or waste gas) in portion's airbag, enters normal operating conditions；
Normal operating conditions:
1) sampling tube cleaning: mcu detects the signal that keeps sample (initial signal is provided) by effusion meter 2, opens exhaust-valve 7, opens
The dynamic air pump 1 that keeps sample, draws sample gas clean sampling tube 8, and after reaching program predetermined time or flow, sampling tube 8 has cleaned
Finish, close keep sample air pump 1 and exhaust-valve 7；
2) airbag cleaning: mcu sends control signal and is again started up the air pump 1 that keeps sample, and it is logical to open one of communicating valve 4(
Often to determine communicating valve 4 opening sequence along sampling tube 8 gas flow), extract predetermined (for example by effusion meter 2 is quantitative
The corresponding airbag 3 of sample gas injection 300ml), closes the air pump 1 that keeps sample immediately, starts and evacuate air pump 6, and open evacuation valve 5,
Evacuate the gas in described airbag 3, complete an airbag cleaning process；
Above-mentioned steps 2 according to actual needs) can repeatedly execute repeatedly；
3) gas keeps sample: opens keep sample air pump 1 and corresponding communicating valve 4, by the quantitative sample gas extracting x ml of effusion meter 2
The corresponding airbag 3(user of body injection can set the sizes values of x according to airbag capacity), it is then shut off keep sample air pump 1 and the company of correspondence
Port valve 4, completes once to keep sample.
4) keep sample signal arrival when next time, and mcu control is switched to next communicating valve 4 and corresponding airbag 3, and
Be repeated in execution step 1) sampling tube cleaning, step 2) airbag cleaning and the gas of step 3) keep sample overall process, with this
Analogize, the present embodiment may replace the operation that keeps sample being accomplished manually multiple airbags 3.
It may be noted that the above-mentioned gas of the present invention keep sample, step is set and controls execution by mcu, and the program of mcu sets
Fixed and its and between effusion meter 2 and each pump, valve connection control technology is routine techniquess, and the present invention is not described further to this.
Certainly above-described embodiment only technology design to illustrate the invention and feature, its object is to allow and is familiar with technique
People will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.All according to this
The modification that the spirit of bright main technical schemes is done, all should be included within the scope of the present invention.
Claims (3)
1. a kind of Full-automatic gas keep sample device it is characterised in that including keeping sample air pump (1), the input of this air pump that keeps sample (1)
Connect for same sample gas piping, and outfan connects sampling tube (8) through flow meters (2), the end of sampling tube (8) is provided with
Exhaust-valve (7) for gas in evacuated tube；Sampling tube (8) between described effusion meter (2) and exhaust-valve (7) is upper to arrange airbag
Bonding pad, is connected with some airbags (3) by arm (10) thereon, and is equipped with communicating valve (4) on every arm (10)；Also
Including controller (9), the described air pump that keeps sample (1), effusion meter (2), exhaust-valve (7) and each communicating valve (4) all with described controller
(9) electrically connect, described sampling tube (8) is also associated with airbag cleaning device, this device include by evacuation tube (11) connect to
Evacuation air pump (6) on sampling tube (8), and described evacuation tube (11) is provided with evacuation valve (5)；Described evacuation valve (5) and taking out
Air pump (6) is all electrically connected with described controller (9)；And described evacuation tube (11) and the junction point position position of sampling tube (8)
Upstream in the downstream of airbag bonding pad, exhaust-valve (7).
2. Full-automatic gas according to claim 1 keep sample device it is characterised in that described controller (9) is pc or mcu.
3. Full-automatic gas according to claim 1 keep sample device it is characterised in that the described air pump that keeps sample (1) and take out air
Pump (6) is membrane pump, and described exhaust-valve (7), communicating valve (4) and evacuation valve (5) are electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192354.5A CN104764894B (en) | 2015-04-22 | 2015-04-22 | Full-automatic gas sample retention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192354.5A CN104764894B (en) | 2015-04-22 | 2015-04-22 | Full-automatic gas sample retention device |
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| Publication Number | Publication Date |
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| CN104764894A CN104764894A (en) | 2015-07-08 |
| CN104764894B true CN104764894B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510192354.5A Active CN104764894B (en) | 2015-04-22 | 2015-04-22 | Full-automatic gas sample retention device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527204A (en) * | 2015-12-31 | 2016-04-27 | 聚光科技(杭州)股份有限公司 | Particulate monitoring system remote quality control apparatus and method |
| CN105510538A (en) * | 2015-12-31 | 2016-04-20 | 聚光科技(杭州)股份有限公司 | Remote quality control device and method of gas monitoring system |
| CN106980028B (en) * | 2016-01-15 | 2018-12-07 | 张家港康得新光电材料有限公司 | Gas analyzing apparatus |
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| CN201107223Y (en) * | 2007-09-19 | 2008-08-27 | 广东省电力工业局试验研究所 | SF6 gas sampler |
| CN201348579Y (en) * | 2009-01-14 | 2009-11-18 | 重庆电力科学试验研究院 | Sulfur hexafluoride sample collection device |
| CN101620038A (en) * | 2009-07-21 | 2010-01-06 | 清华大学 | Multi-functional gas sampling system and gas sampling method |
| CN202533288U (en) * | 2012-03-27 | 2012-11-14 | 青岛众瑞智能仪器有限公司 | Automatic air bag air sampler |
| CN204556650U (en) * | 2015-04-22 | 2015-08-12 | 苏州聚阳环保科技股份有限公司 | Full-automatic gas keeps sample device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0959339A3 (en) * | 1998-05-12 | 2002-08-21 | Honda Giken Kogyo Kabushiki Kaisha | Exhaust gas sampling apparatus |
-
2015
- 2015-04-22 CN CN201510192354.5A patent/CN104764894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107223Y (en) * | 2007-09-19 | 2008-08-27 | 广东省电力工业局试验研究所 | SF6 gas sampler |
| CN201348579Y (en) * | 2009-01-14 | 2009-11-18 | 重庆电力科学试验研究院 | Sulfur hexafluoride sample collection device |
| CN101620038A (en) * | 2009-07-21 | 2010-01-06 | 清华大学 | Multi-functional gas sampling system and gas sampling method |
| CN202533288U (en) * | 2012-03-27 | 2012-11-14 | 青岛众瑞智能仪器有限公司 | Automatic air bag air sampler |
| CN204556650U (en) * | 2015-04-22 | 2015-08-12 | 苏州聚阳环保科技股份有限公司 | Full-automatic gas keeps sample device |
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| CN104764894A (en) | 2015-07-08 |
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