CN202512104U - Dynamic gas calibration instrument - Google Patents
Dynamic gas calibration instrument Download PDFInfo
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- CN202512104U CN202512104U CN2012200386573U CN201220038657U CN202512104U CN 202512104 U CN202512104 U CN 202512104U CN 2012200386573 U CN2012200386573 U CN 2012200386573U CN 201220038657 U CN201220038657 U CN 201220038657U CN 202512104 U CN202512104 U CN 202512104U
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- prover
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Abstract
The utility model relates to a dynamic gas calibration instrument, which comprises a standard gas mass flow controller, a zero gas mass flow controller, a mixing chamber and an output manifold; one end of the calibration mass flow controller is connected with the mixing chamber through a standard gas pipeline, and the zero gas mass flow controller is connected with the mixing chamber through a zero gas pipeline; the mixing chamber is used for mixing standard gas and zero gas to obtain a calibration gas; and the output manifold is connected with the mixing chamber and divides the calibration gas into two paths, wherein one path is evacuated to ensure that air pressure approaches atmospheric pressure, and the other path is introduced into a monitor to calibrate the monitor. According to the utility model, the standard gas mass flow controller and the zero mass flow controller are respectively used for accurately controlling the standard gas flow and zero gas flow to ensure that the standard gas flow and the zero gas flow can be accurately controlled, and therefore the calibration gas can be accurately prepared in the mixing chamber to accurately calibrate the monitor.
Description
[technical field]
The utility model relates to a kind of correcting device, relates in particular to a kind of dynamic gas prover.
[background technology]
Along with the raising of socio-economic development and people's environmental consciousness, the public pays close attention to atmosphere polluting problem day by day, and is also strong day by day to the acquisition requirement of atmospheric pollution data.
China mainly contains 3 index: SO to the monitoring of pollutant at present
2, oxides of nitrogen (NO, NO
2), PM
10, while O
3Also included monitoring range in CO.The air pollution monitor device generally can not directly be measured absolute concentration; But adopt relative method; Degree for monitor air pollution; Therefore the work of the monitor pin-point accuracy that need monitor various dusty gass at first need calibrate these monitors with the calibration gas of high precision concentration.The dynamic gas prover is exactly production high precision concentration calibration gas (being the calibrating gas of low concentration), the equipment that supplies monitor to calibrate.
Adopt the method for calibrating gas configuration low concentration calibration gas can be divided into static method and dynamic method usually now.Because the adsorption phenomena of the relatively more active and chamber wall of the chemical property of pollutant usually cause very big error, thereby static distribution method usually is not used in the atmosphere.At present; Adopt different realization methods to dispose the method for calibration gas based on the dynamic air-distributing ratio juris, the dynamic gas prover that is applied to ground such as Beijing, Shanghai has adopted the whole bag of tricks such as pressure flow control method, nozzle flow control method, electrolysis distribution method to produce calibration gas respectively.But the concentration of the calibration gas that these methods obtain is accurate inadequately, and poor stability maybe can not be realized continuous robotization distribution.And because O
3Extremely strong oxidisability is arranged, can't carry out canned or storage, can not prepare the O of various low concentrations with above-mentioned air distributing method with the steel gas cylinder
3Calibrating gas is because NO
2And N
2O
4Between can change each other, have reversible reaction, can't obtain NO
2Pure steel gas cylinder gas, can not prepare the NO of various low concentrations with above-mentioned method
2Calibrating gas, O
3And NO
2All do not have the calibrating gas that directly to use.Owing to the special nature of gas itself and the defective of said method, seriously restricted the accurate measurement and the magnitude tracing of this type gas microscratch amount component, the new air distributing method research of therefore carrying out this class standard gas seems particularly urgent.
[utility model content]
Based on this, be necessary to provide a kind of dynamic gas prover of accurate configuration calibration gas.
A kind of dynamic gas prover comprises gas mass flow controller, zero makings amount flow controller, mixing chamber and output manifold; Said gas mass flow controller one end is connected with said mixing chamber through the gas pipeline, and said zero makings amount flow controller is connected with said mixing chamber through zero air pipe, and said mixing chamber is used to supply calibrating gas and zero gas to mix; Obtain calibration gas; Said output manifold is connected with said mixing chamber, and said calibration gas is divided into two-way, and one tunnel emptying makes air pressure near atmospheric pressure; Another road feeds monitor, supplies monitor to calibrate.
Preferably, said dynamic gas prover also comprises solenoid valve; The said gas mass flow controller other end is connected with said solenoid valve, and the said zero makings amount flow controller other end is connected with said battery valve.
Preferably, the said gas mass flow controller other end connects a plurality of solenoid valves, and said a plurality of solenoid valves are respectively applied for a kind of calibrating gas of control.
Preferably, said dynamic gas prover also comprises ozone generator and solenoid valve capable of reversing; Said solenoid valve capable of reversing is arranged on the said gas pipeline; Said ozone generator two ends are connected with solenoid valve capable of reversing with said zero makings amount flow controller respectively through pipeline, and said solenoid valve also is arranged between said ozone generator and the said zero makings amount flow controller.
Preferably, said ozone generator comprises uviol lamp, heating rod and the temperature sensor on housing and the said housing.
Preferably, said dynamic gas prover also comprises reaction chamber, and said reaction chamber is connected with mixing chamber with said solenoid valve capable of reversing through pipeline.
Preferably, said dynamic gas prover also comprises the buffer brake regulator, and said pressure governor is arranged on said zero air pipe, and the gaseous tension in monitoring zero air pipe is regulated gaseous tension, makes gaseous tension be stabilized in setting value.
Preferably, said dynamic gas prover also comprises controller, and said controller all is connected with said gas mass flow controller, zero makings amount flow controller, solenoid valve, solenoid valve capable of reversing and ozone generator, carries out each item control.
Preferably, said dynamic gas prover also comprises with said controller and being connected, is used to show the display of various data.
Above-mentioned dynamic gas prover; Adopt gas makings amount flow controller and zero makings amount flow controller respectively calibrating gas and zero airshed accurately to be controlled; Make that the calibrating gas and the flow of zero gas can be precisely controlled; Thereby in mixing chamber, can accurately dispose calibration gas, degree of accuracy height, good stability and distribution are even, can accurately calibrate monitor.
[description of drawings]
Fig. 1 is the structural representation of dynamic gas prover among the embodiment.
[embodiment]
Below in conjunction with accompanying drawing, the embodiment of the utility model is described in detail.
Fig. 1 is the structural representation of dynamic gas prover among the embodiment.This dynamic gas prover comprises gas mass flow controller 100, zero makings amount flow controller 200, mixing chamber 300, output manifold 400 and solenoid valve 500, solenoid valve capable of reversing 600, ozone generator 700, reaction chamber 800 and buffer brake regulator 900.
Gas mass flow controller 100 1 ends are connected with mixing chamber 300 through gas pipeline 110, are used to control the flow of accurate control criterion gas (calibrating gas with calibrating gas is like sulphuric dioxide, nitrogen monoxide, carbon monoxide, sulfuretted hydrogen etc.).Zero makings amount flow controller 200 is connected with mixing chamber 300 through zero air pipe 210, is used to control the flow of accurate control zero gas.
For calibrating gas and zero gas are controlled, realize continuous distribution, gas mass flow controller 100 other ends are connected with solenoid valve 500, and zero makings amount flow controller 200 other ends also are connected with solenoid valve.Further in the embodiment, gas mass flow controller 100 other ends connect a plurality of solenoid valves 500, and a plurality of solenoid valves 500 are respectively applied for a kind of calibrating gas of control.
In addition, this dynamic gas prover also comprises controller and display (figure does not show).Controller all is connected with gas mass flow controller 100, zero makings amount flow controller 200, solenoid valve 500, solenoid valve capable of reversing 600 and ozone generator 700, carries out each item control.Among this embodiment, controller is set and the flow of control gas mass flow controller 100 and zero makings amount flow controller 200, the switch of control electromagnetic valve 500, the gas flow of controlling solenoid valve 600 capable of reversing and 700 work of control ozone generator produce ozone.Further, the light intensity of the uviol lamp of controller control ozone generator 700, through the air chamber temperature of temperature sensor control ozone generator 700, controller is also controlled the corresponding ozone concentration of ozone generator 700 voltages.
Display is connected with controller, is used to carry out various data presentation.Among this embodiment, display is used to show the setting flow and actual flow and the ozone generator 700 air chamber temperature ozone concentration corresponding with different voltages of gas mass flow controller 100 and zero makings amount flow controller 200.
This dynamic gas prover, when configuration had the calibration gas of calibrating gas, gas mass flow controller 100 and zero makings amount flow controller 200 can be distinguished the flow of accurate control gas and zero gas; Can accurately control the gas flow that gets into mixing chamber 300; Thereby the calibrating gas after can accurately obtaining to dilute, promptly calibration gas offers monitor and calibrates; Degree of accuracy height, good stability and distribution are even, can accurately calibrate monitor.Solenoid valve 500 passes through the continuity of switch pilot-gas, thereby realizes continuous distribution.Simultaneously, this dynamic gas prover has ozone generator 700, solenoid valve capable of reversing 600 and reaction chamber 800, and ozone generator 700 can produce ozone, and control ozone can dilute in mixing chamber 300 with zero gas and obtain the ozone calibration gas.Under solenoid valve 600 capable of reversing and gas mass flow controller 100 are controlled; Control ozone and nitrogen monoxide get into reaction chamber 800; Can also in reaction chamber 800, obtain the nitrogen dioxide calibrating gas, control nitrogen dioxide can dilute in mixing chamber 300 with zero gas and obtain the nitrogen dioxide calibration gas.Thereby this dynamic gas prover promptly can dispose the calibration gas with calibrating gas, also can dispose the calibration gas with calibrating gas, has increased application greatly.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (9)
1. a dynamic gas prover is characterized in that, comprises gas mass flow controller, zero makings amount flow controller, mixing chamber and output manifold; Said gas mass flow controller one end is connected with said mixing chamber through the gas pipeline, and said zero makings amount flow controller is connected with said mixing chamber through zero air pipe, and said mixing chamber is used to supply calibrating gas and zero gas to mix; Obtain calibration gas; Said output manifold is connected with said mixing chamber, and said calibration gas is divided into two-way, and one tunnel emptying makes air pressure near atmospheric pressure; Another road feeds monitor, supplies monitor to calibrate.
2. dynamic gas prover according to claim 1 is characterized in that, said dynamic gas prover also comprises solenoid valve; The said gas mass flow controller other end is connected with said solenoid valve, and the said zero makings amount flow controller other end is connected with said battery valve.
3. dynamic gas prover according to claim 2 is characterized in that, the said gas mass flow controller other end connects a plurality of solenoid valves, and said a plurality of solenoid valves are respectively applied for a kind of calibrating gas of control.
4. dynamic gas prover according to claim 2 is characterized in that, said dynamic gas prover also comprises ozone generator and solenoid valve capable of reversing; Said solenoid valve capable of reversing is arranged on the said gas pipeline; Said ozone generator two ends are connected with solenoid valve capable of reversing with said zero makings amount flow controller respectively through pipeline, and said solenoid valve also is arranged between said ozone generator and the said zero makings amount flow controller.
5. dynamic gas prover according to claim 4 is characterized in that, said ozone generator comprises uviol lamp, heating rod and the temperature sensor on housing and the said housing.
6. dynamic gas prover according to claim 4 is characterized in that, said dynamic gas prover also comprises reaction chamber, and said reaction chamber is connected with mixing chamber with said solenoid valve capable of reversing through pipeline.
7. dynamic gas prover according to claim 1; It is characterized in that; Said dynamic gas prover also comprises the buffer brake regulator, and said pressure governor is arranged on said zero air pipe, the gaseous tension in monitoring zero air pipe; Gaseous tension is regulated, made gaseous tension be stabilized in setting value.
8. dynamic gas prover according to claim 4; It is characterized in that; Said dynamic gas prover also comprises controller; Said controller all is connected with said gas mass flow controller, zero makings amount flow controller, solenoid valve, solenoid valve capable of reversing and ozone generator, carries out each item control.
9. dynamic gas prover according to claim 8 is characterized in that, said dynamic gas prover also comprises with said controller and being connected, is used to show the display of various data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200386573U CN202512104U (en) | 2012-02-07 | 2012-02-07 | Dynamic gas calibration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200386573U CN202512104U (en) | 2012-02-07 | 2012-02-07 | Dynamic gas calibration instrument |
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| Publication Number | Publication Date |
|---|---|
| CN202512104U true CN202512104U (en) | 2012-10-31 |
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ID=47064582
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200386573U Expired - Lifetime CN202512104U (en) | 2012-02-07 | 2012-02-07 | Dynamic gas calibration instrument |
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| CN (1) | CN202512104U (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980976A (en) * | 2012-12-05 | 2013-03-20 | 徐州传庆电子科技有限公司 | Comprehensive verification table of gas alarm instrument |
| CN103399127A (en) * | 2013-08-16 | 2013-11-20 | 中国环境科学研究院 | Gas analyzer calibration measurement apparatus and calibration measurement method thereof |
| CN103399123A (en) * | 2013-07-12 | 2013-11-20 | 河南汉威电子股份有限公司 | Automatic gas sensor calibration system and gas sensor calibration method thereof |
| CN103977739A (en) * | 2014-05-16 | 2014-08-13 | 中国环境科学研究院 | Atmospheric environment-concentration peroxide gas generation system and method thereof |
| CN104502542A (en) * | 2014-12-29 | 2015-04-08 | 广东电网有限责任公司电力科学研究院 | Field inspection device for gas monitoring alarm |
| CN105136683A (en) * | 2015-07-28 | 2015-12-09 | 安徽蓝盾光电子股份有限公司 | Long optical path air quality automatic monitoring system with remote quality control function |
| CN105675803A (en) * | 2014-11-19 | 2016-06-15 | 中国石油天然气股份有限公司 | Gas calibration device and method used for unbalanced drilling (UBD) |
| CN106501202A (en) * | 2016-09-30 | 2017-03-15 | 深圳市赛宝伦科技有限公司 | A kind of transmission method of normal concentration ozone |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
| CN107389874A (en) * | 2017-08-24 | 2017-11-24 | 南京泰宇环境检测有限公司 | A kind of monitoring method for monitoring of environmental detection device accuracy |
| CN108956855A (en) * | 2017-05-17 | 2018-12-07 | 台达电子工业股份有限公司 | Test macro and method for air sensing device |
| CN109839963A (en) * | 2019-01-23 | 2019-06-04 | 北京雪迪龙科技股份有限公司 | A kind of ultraviolet irradiation formula ozone generator concentration control method |
| CN109855708A (en) * | 2019-03-22 | 2019-06-07 | 广东省环境监测中心 | A kind of flow inspection, calibrating installation and method |
| CN109856223A (en) * | 2019-01-22 | 2019-06-07 | 北京英视睿达科技有限公司 | Calibration method and device |
| CN110554145A (en) * | 2019-09-03 | 2019-12-10 | 北京雪迪龙科技股份有限公司 | device and method for remotely detecting and calibrating automatic flue gas monitoring system |
| CN112684108A (en) * | 2020-12-07 | 2021-04-20 | 汉威科技集团股份有限公司 | Quality control method of remote quality control system suitable for gas multi-parameter monitor |
| CN113933140A (en) * | 2021-10-14 | 2022-01-14 | 中国计量科学研究院 | Dynamic gas dilution instrument evaluation method and device based on CRDS and standard gas |
| CN114137155A (en) * | 2021-11-03 | 2022-03-04 | 力合科技（湖南）股份有限公司 | Flow path design of multi-gas dynamic calibrator |
| CN115096761A (en) * | 2022-06-09 | 2022-09-23 | 兰州大学 | Atmospheric microorganism smog chamber |
-
2012
- 2012-02-07 CN CN2012200386573U patent/CN202512104U/en not_active Expired - Lifetime
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980976A (en) * | 2012-12-05 | 2013-03-20 | 徐州传庆电子科技有限公司 | Comprehensive verification table of gas alarm instrument |
| CN102980976B (en) * | 2012-12-05 | 2014-12-24 | 徐州传庆电子科技有限公司 | Comprehensive verification table of gas alarm instrument |
| CN103399123B (en) * | 2013-07-12 | 2015-06-10 | 河南汉威电子股份有限公司 | Automatic gas sensor calibration system and gas sensor calibration method thereof |
| CN103399123A (en) * | 2013-07-12 | 2013-11-20 | 河南汉威电子股份有限公司 | Automatic gas sensor calibration system and gas sensor calibration method thereof |
| CN103399127A (en) * | 2013-08-16 | 2013-11-20 | 中国环境科学研究院 | Gas analyzer calibration measurement apparatus and calibration measurement method thereof |
| CN103977739A (en) * | 2014-05-16 | 2014-08-13 | 中国环境科学研究院 | Atmospheric environment-concentration peroxide gas generation system and method thereof |
| CN103977739B (en) * | 2014-05-16 | 2016-04-20 | 中国环境科学研究院 | A kind of atmospheric environment concentration peroxide gas generating system and method thereof |
| CN105675803A (en) * | 2014-11-19 | 2016-06-15 | 中国石油天然气股份有限公司 | Gas calibration device and method used for unbalanced drilling (UBD) |
| CN104502542A (en) * | 2014-12-29 | 2015-04-08 | 广东电网有限责任公司电力科学研究院 | Field inspection device for gas monitoring alarm |
| CN105136683A (en) * | 2015-07-28 | 2015-12-09 | 安徽蓝盾光电子股份有限公司 | Long optical path air quality automatic monitoring system with remote quality control function |
| CN106501202A (en) * | 2016-09-30 | 2017-03-15 | 深圳市赛宝伦科技有限公司 | A kind of transmission method of normal concentration ozone |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN106645587B (en) * | 2017-01-16 | 2024-03-12 | 清华大学 | Gas sensor evaluating and calibrating system |
| CN108956855A (en) * | 2017-05-17 | 2018-12-07 | 台达电子工业股份有限公司 | Test macro and method for air sensing device |
| CN107153106A (en) * | 2017-06-29 | 2017-09-12 | 北京竹青世纪科技有限公司 | A kind of dynamic dilution gas calibration device |
| CN107389874A (en) * | 2017-08-24 | 2017-11-24 | 南京泰宇环境检测有限公司 | A kind of monitoring method for monitoring of environmental detection device accuracy |
| CN109856223A (en) * | 2019-01-22 | 2019-06-07 | 北京英视睿达科技有限公司 | Calibration method and device |
| CN109839963A (en) * | 2019-01-23 | 2019-06-04 | 北京雪迪龙科技股份有限公司 | A kind of ultraviolet irradiation formula ozone generator concentration control method |
| CN109855708A (en) * | 2019-03-22 | 2019-06-07 | 广东省环境监测中心 | A kind of flow inspection, calibrating installation and method |
| CN109855708B (en) * | 2019-03-22 | 2024-03-26 | 广东省环境监测中心 | Flow checking and calibrating device and method |
| CN110554145A (en) * | 2019-09-03 | 2019-12-10 | 北京雪迪龙科技股份有限公司 | device and method for remotely detecting and calibrating automatic flue gas monitoring system |
| CN112684108A (en) * | 2020-12-07 | 2021-04-20 | 汉威科技集团股份有限公司 | Quality control method of remote quality control system suitable for gas multi-parameter monitor |
| CN113933140A (en) * | 2021-10-14 | 2022-01-14 | 中国计量科学研究院 | Dynamic gas dilution instrument evaluation method and device based on CRDS and standard gas |
| CN114137155A (en) * | 2021-11-03 | 2022-03-04 | 力合科技（湖南）股份有限公司 | Flow path design of multi-gas dynamic calibrator |
| CN114137155B (en) * | 2021-11-03 | 2024-04-12 | 力合科技（湖南）股份有限公司 | Flow path design of multi-gas dynamic calibrator |
| CN115096761A (en) * | 2022-06-09 | 2022-09-23 | 兰州大学 | Atmospheric microorganism smog chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN SAIBAOLUN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN SUPER BRAIN COMPUTER TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong City, Nanshan District province high incidence area of China Unicom Industrial Park, Tai Po, floor 602, 6 Patentee after: Shenzhen Saibaolun Technology Co., Ltd. Address before: 518057, Shenzhen, Guangdong province Nanshan District high tech community building, 6 floor West Patentee before: Shenzhen SuperBrain Computer Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |