CN103206988A - Method for detecting gas flow rate through weight loss method - Google Patents
Method for detecting gas flow rate through weight loss method Download PDFInfo
- Publication number
- CN103206988A CN103206988A CN2012105648026A CN201210564802A CN103206988A CN 103206988 A CN103206988 A CN 103206988A CN 2012105648026 A CN2012105648026 A CN 2012105648026A CN 201210564802 A CN201210564802 A CN 201210564802A CN 103206988 A CN103206988 A CN 103206988A
- Authority
- CN
- China
- Prior art keywords
- gas
- time
- gas generator
- data
- computer
- 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.)
- Pending
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention discloses a method for detecting a gas flow rate through a weight loss method. The method is used for dynamically analyzing the gas flow rate and comprises the steps of establishing dynamic connection between an electronic balance and a computer, starting a gas generator, starting timing and weighing, calculating the gas volume flow rate per unit time, obtaining a flow-time curve graph, and processing and analyzing detection data. According to the method, the electronic balance and the computer are connected dynamically, the gas mass flow rate of the gas generator is detected in real time, weighing software of the computer is used for finishing corresponding detection processes, and the method comprises model selection and configuration of the balance, conversion of the volume flow rate, setting of detection duration, drawing of the flow-time curve graph and processing and analyzing of data. The method is widely used for detection of gas flow rates of various medium and small gas generators and can be used for dynamic detection of gas flow rates with mass and time changed correspondingly. The method has the advantages of being simple to operate, safe to detect, high in detection precision and good in field adaptability.
Description
Affiliated technical field
The present invention is a kind of weight-loss method gas flow detection method for the dynamic gas flow analysis.
Technical background
In the prior art, the dynamic gas flow detection adopts glass rotameter usually, based on the consideration that guarantees spinner-type flowmeter operate as normal and measuring accuracy, the mounting condition harshness of glass rotameter, complex installation process, the data of surveying relevant with temperature and the pressure of testing environment, and the flow number under the off-rating, thereby the data-switching after detecting comparatively bothers with contrast.
Summary of the invention
The objective of the invention is to provide a kind of weight-loss method gas flow detection method, it can simplify testing process effectively, improves accuracy of detection reliably.
Technical scheme of the present invention is:
Design a kind of weight-loss method gas flow detection method, it comprises following detection step:
The invention has the beneficial effects as follows: owing to select the gentle computer in precise electronic sky to set up dynamically to connect and enable computer weighing software, thereby simplified testing process.Because the calculating of the mass rate of the gas of surveying and volumetric flow rate is real-time computer conversion, does not have data degradation, thereby improved accuracy of detection simultaneously.In addition because the portability of electronic balance and computer, thereby have quite good detecting scene and environmental suitability.That the present invention also has is simple to operate, detect safety, and the adjustable and advantage that has wide range of applications at interval when surveying.
Description of drawings.
Fig. 1 is standard volume flow (L)-time (min) curve map.
Embodiment
Be the example explanation specific embodiment of the invention to detect certain solid oxygen generator gas flow.
| Sequence number | Measuring Time | Measured | Unit | |
| 1 | On June 14th, 2012 16:58:43.20 | -18.4200 | | |
| 2 | On June 14th, 2012 16:58:45.20 | -18.6400 | | |
| 3 | On June 14th, 2012 16:58:47.20 | -18.8700 | | |
| 4 | On June 14th, 2012 16:58:49.20 | -19.0600 | | |
| 5 | On June 14th, 2012 16:58:51.20 | -19.1900 | | |
| 6 | On June 14th, 2012 16:58:53.20 | -19.3300 | | |
| 7 | On June 14th, 2012 16:58:55.20 | -19.4900 | g | |
| 8 | On June 14th, 2012 16:58:57.20 | -19.6100 | g | |
| 9 | On June 14th, 2012 16:58:59.20 | -19.9000 | | |
| 10 | On June 14th, 2012 16:59:01.20 | -20.2800 | g | |
| 11 | On June 14th, 2012 16:59:03.20 | -20.7400 | | |
| 12 | On June 14th, 2012 16:59:05.20 | -21.1600 | g | |
| 13 | On June 14th, 2012 16:59:07.20 | -21.6300 | g | |
| 14 | On June 14th, 2012 16:59:09.20 | -21.9000 | g | |
| 15 | On June 14th, 2012 16:59:11.20 | -22.4400 | g | |
| 16 | On June 14th, 2012 16:59:13.20 | -23.2300 | g | |
| 17 | On June 14th, 2012 16:59:15.20 | -24.0200 | g | |
| 18 | On June 14th, 2012 16:59:17.20 | -24.6100 | g | |
| 19 | On June 14th, 2012 16:59:19.20 | -25.4300 | g | |
| 20 | On June 14th, 2012 16:59:21.20 | -26.3000 | g | |
| 21 | On June 14th, 2012 16:59:23.20 | -27.0800 | g | |
| 22 | On June 14th, 2012 16:59:25.20 | -27.9600 | g | |
| 23 | On June 14th, 2012 16:59:27.20 | -28.8400 | g | |
| 24 | On June 14th, 2012 16:59:29.20 | -29.8000 | g | |
| 25 | On June 14th, 2012 16:59:31.20 | -30.6400 | g | |
| 26 | On June 14th, 2012 16:59:33.20 | -31.4300 | g | |
| 27 | On June 14th, 2012 16:59:35.20 | -32.1500 | g | |
| 28 | On June 14th, 2012 16:59:37.20 | -32.8400 | g | |
| 29 | On June 14th, 2012 16:59:39.20 | -33.1800 | g | |
| 30 | On June 14th, 2012 16:59:41.20 | -33.5700 | g |
Former and later two data are subtracted each other, obtain the oxygen quality that produces in the solid oxygen generator two seconds, according to The Ideal-Gas Equation pV=mRT/M, oxygen quality is converted into volume under the standard state, then 30 data ask once and, can obtain the standard oxygen gas volume that solid oxygen generator produces in a minute;
Preceding two seconds :-18.4200g-(18.6400g)=0.22g
V=mRT/pM=0.22*8.314*273/(1.01*10
5*32)=0.000154m
3=0.154L
Second two seconds :-18.6400g-(18.8700g)=0.23g
V=mRT/pM=0.23*8.314*273/(1.01*10
5*32)=0.000161m
3=0.161L
……
The standard oxygen gas volume that produces in one minute: 0.154L+0.161L+ ...=10.829L
……。
" standard volume flow (L)-time (min) " tabulation.
Claims (1)
1. a weight-loss method gas flow detection method is characterized in that, it comprises following detection step:
Step 1, set up dynamically connection: select the gentle computer in precise electronic sky, the RS232 interface connection by special use starts the real-time weighing software on the computer, selects the balance model of correspondence, and dynamically connection is set up in time, data zero clearing;
Step 2, start gas generator and pick up counting, weighing: set up being connected of gas generator and electronic balance, start gas generator, electronic balance picks up counting, weighing, according to the measuring accuracy requirement, can set every a second or two seconds or qualitative data of meter record at interval At All Other Times;
Step 3, the gas volume of unit of account time: treat that the gas generator effect finishes, the disconnection gas generator is connected with electronic balance, obtain real-time quality and the Time Correlation Data of gas generator, former and later two data are subtracted each other, obtain the gaseous mass that the gas generator meter produced in the record time interval, according to The Ideal-Gas Equation pV=mRT/M, gaseous mass is converted into volume under the standard state, data summation then can obtain the gas volume that gas generator produces in a minute;
Step 4 is obtained flow-time plot: by computer graphics, can obtain standard volume flow (L)-time (min) curve map that gas generator produces gas;
Step 5, data are handled and are analyzed: utilize computer software, handle and analysis volume flow (L)-time (min) curve map, print testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105648026A CN103206988A (en) | 2012-12-24 | 2012-12-24 | Method for detecting gas flow rate through weight loss method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105648026A CN103206988A (en) | 2012-12-24 | 2012-12-24 | Method for detecting gas flow rate through weight loss method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103206988A true CN103206988A (en) | 2013-07-17 |
Family
ID=48754285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105648026A Pending CN103206988A (en) | 2012-12-24 | 2012-12-24 | Method for detecting gas flow rate through weight loss method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103206988A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664442A (en) * | 2020-12-24 | 2021-04-16 | 波露明（北京）科技有限公司 | Automatic calibration system and calibration method for metering pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217774A (en) * | 1996-05-07 | 1999-05-26 | 林德股份公司 | Process and apparatus for gravimetric test gas production by means of reweighing |
| CN1811647A (en) * | 2005-12-31 | 2006-08-02 | 济南大学 | Zero-gravity flowmeter and weightlessness flow controller |
| WO2007065475A1 (en) * | 2005-12-06 | 2007-06-14 | Maquet Critical Care Ab | Method and apparatus for end expiratory lung volume estimation |
| CN102062629A (en) * | 2009-11-18 | 2011-05-18 | 中国航空工业集团公司沈阳发动机设计研究所 | Double-tank weighing method for gas flow standard device by mass-time method |
| CN102426183A (en) * | 2011-11-12 | 2012-04-25 | 重庆理工大学 | Corrosion and degradation experiment device for external medical metal body in dynamic corrosion environment |
-
2012
- 2012-12-24 CN CN2012105648026A patent/CN103206988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1217774A (en) * | 1996-05-07 | 1999-05-26 | 林德股份公司 | Process and apparatus for gravimetric test gas production by means of reweighing |
| WO2007065475A1 (en) * | 2005-12-06 | 2007-06-14 | Maquet Critical Care Ab | Method and apparatus for end expiratory lung volume estimation |
| CN1811647A (en) * | 2005-12-31 | 2006-08-02 | 济南大学 | Zero-gravity flowmeter and weightlessness flow controller |
| CN102062629A (en) * | 2009-11-18 | 2011-05-18 | 中国航空工业集团公司沈阳发动机设计研究所 | Double-tank weighing method for gas flow standard device by mass-time method |
| CN102426183A (en) * | 2011-11-12 | 2012-04-25 | 重庆理工大学 | Corrosion and degradation experiment device for external medical metal body in dynamic corrosion environment |
Non-Patent Citations (2)
| Title |
|---|
| 杨宏海等: "m-t法气体质量流量标准装置", 《宇航计策技术》, vol. 20, no. 2, 30 April 2000 (2000-04-30), pages 45 - 51 * |
| 王新华等: "微机钟罩式气体流量标准装置检测系统设计", 《机械》, vol. 32, no. 12, 31 December 2005 (2005-12-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664442A (en) * | 2020-12-24 | 2021-04-16 | 波露明（北京）科技有限公司 | Automatic calibration system and calibration method for metering pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101701834B (en) | Strong interference resistant digital vortex shedding flowmeter based on double sensors | |
| CN107064629B (en) | A kind of comprehensive simple signal frequency estimating methods of the segmentation estimated based on frequency relative bias | |
| US9702768B2 (en) | Noise robust time of flight estimation for acoustic pyrometry | |
| CN108169704A (en) | A kind of intelligent electric energy meter composition error detection method | |
| CN103837750B (en) | Temperature drift and time drift real-time difference compensation method for electric-field sensor | |
| CN110048416A (en) | The low-frequency oscillation modal identification method of S-G filtering and adaptive M P algorithm | |
| CN107687875A (en) | A kind of magnetic vortex street flowmeter for measuring gassiness the flow of conductive liquid | |
| CN103983338B (en) | Multipole vector receives battle array calibration steps | |
| CN109917152A (en) | A kind of mean velocity in vertical measurement method | |
| WO2013116748A3 (en) | Method and apparatus for processing seismic data | |
| CN109186722A (en) | A kind of on-line calibration method and system of the Permanent-Magnet Sodium Flowmeter of embedded swirl generating body | |
| CN105093163A (en) | Error debugging method for electronic electric energy meter | |
| CN101252026B (en) | Reactor neutron source and gamma noise measuring method | |
| WO2009078161A1 (en) | Flow volume measuring apparatus | |
| CN103206988A (en) | Method for detecting gas flow rate through weight loss method | |
| CN204346857U (en) | The original material device for checking air permeability of a kind of sintering | |
| CN104697667B (en) | A kind of measuring method of thermocycling temperature stabilization times | |
| CN110186521B (en) | Vortex street moisture over-reading compensation and flow measurement method based on wavelet ridge feature extraction | |
| CN107545652A (en) | The assay method and system of service factor while a kind of gas equipment | |
| CN104330122A (en) | Weighing type anti-interference robot spraying flow online detection method | |
| CN109060060B (en) | Gas metering method and device based on temperature compensation | |
| CN106680707B (en) | Method, device and system for checking heavy gas action setting value of double-float gas relay | |
| Xu et al. | Bubble detection in sodium flow using EVFM and correlation coefficient calculation | |
| CN109946607A (en) | A kind of calibration system and method for DC charging motor calibrating installation | |
| Kim et al. | Accuracy analysis of velocity and water depth measurement in the straight channel using ADCP |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130717 |