CN103234687A - Gas drainage pipeline parameter measuring method - Google Patents
Gas drainage pipeline parameter measuring method Download PDFInfo
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- CN103234687A CN103234687A CN2013101232213A CN201310123221A CN103234687A CN 103234687 A CN103234687 A CN 103234687A CN 2013101232213 A CN2013101232213 A CN 2013101232213A CN 201310123221 A CN201310123221 A CN 201310123221A CN 103234687 A CN103234687 A CN 103234687A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 19
- 230000011664 signaling Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 abstract 2
- 206010044565 Tremor Diseases 0.000 abstract 1
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- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
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- 238000009530 blood pressure measurement Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
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Abstract
The invention discloses a gas drainage pipeline parameter measuring method. A parameter measuring gauge is utilized in the gas drainage pipeline parameter measuring method and comprises a measuring device and a pitot pipe connected at a fluid signal input port of the measuring device, and the pitot pipe comprises a protective pipe, a hollow L-shaped pressure leading pipe I and a hollow L-shaped pressure leading pipe II. The gas drainage pipeline parameter measuring method specifically includes the steps of (1) vertically inserting the pressure leading pipe I and the pressure leading pipe II into a pipeline to be measured, and enabling a leading-in port of the pressure leading pipe I or the pressure leading pipe II to be right opposite to flowing direction of fluid in the pipeline; (2) reading physical signals led in by the pressure leading pipe I and the pressure leading pipe II, converting the physical signals into analog electric signals, and converting the analog electric signals into digital signals after being amplified and filtered; and (3) leading the digital signals into a host computer so as to display parameters of the measured pipeline. By the gas drainage pipeline parameter measuring method, signal fluctuation and interference caused by an over-length physical signal transmission channel and trembling of the physical signal transmission channel are avoided, stability of measurement data is improved, lower limit of flow measurement is lowered, human factors are reduced, ceaseless-flow online mounting and utilizing can be realized, mounting is facilitated, and utilization is simple.
Description
Technical field
The present invention relates to a kind of duct survey method, particularly a kind of method of gas tube parameter measurement.
Background technology
Portable pipe parameter measurement instrument is in the market measured the flow principle and mostly is the differential pressure measurement principle, pressure guiding pipe is inserted in the pipe under test, lead to the fluid in the pipe under test by long impulse flexible pipe again, introduce on the back-end host, being converted to electric signal handles again, so easy introducing is disturbed, and causes that as long impulse flexible pipe shake differential pressure measurement instability, temperature signal are interfered etc.And all do not have the integrated temperature probe, when measuring temperature, temperature measurement equipment need be inserted separately and be treated in the pipeline.
Summary of the invention
Purpose of the present invention just provides a kind of gas drainage pipe parameter measuring method, it by the short range transmission of connecting pipe, is converted to electric signal immediately after having obtained the physical signalling in the pipeline, preserve, avoided the various unfavorable interference of introducing because of long impulse flexible pipe transmitting physical signal.
The objective of the invention is to realize by such technical scheme, it includes parameter measurement instrument, described parameter measurement instrument includes measurement mechanism and is connected the pitot tube of measurement mechanism fluid signal input port, pitot tube includes pillar, the L shaped connecting pipe I of hollow and the L shaped connecting pipe II of hollow, one end of connecting pipe I and connecting pipe II is introducing port, the other end of connecting pipe I and connecting pipe II is the fluid signal delivery outlet, the introducing port of the introducing port of connecting pipe I and connecting pipe II towards opposing, the fluid signal delivery outlet of connecting pipe I and connecting pipe II is connected with the fluid signal input port of measurement mechanism, pillar is wrapped in the outer wall of connecting pipe I and connecting pipe II, and the introducing port of the introducing port of connecting pipe I and connecting pipe II is positioned at outside the pillar; Measurement mechanism includes differential pressure pickup, absolute pressure transducer, modulate circuit and A/D modular converter, the fluid signal delivery outlet of connecting pipe I and connecting pipe II is connected with two input ports of differential pressure pickup respectively, absolute pressure transducer is communicated with connecting pipe I or connecting pipe II, the signal that differential pressure pickup and absolute pressure transducer collect is sent to modulate circuit, amplify, filtering handles, and is converted to digital signal by the A/D modular converter again;
Concrete measuring process is as follows:
1) inserts in the pipe under test the connecting pipe I is vertical with the connecting pipe II, the introducing port of connecting pipe I or connecting pipe II is flowed to over against the pipeline inner fluid;
2) read the physical signalling that connecting pipe I and connecting pipe II import, be converted to pressure reduction electric signal and absolute pressure electric signal, be converted to digital signal again after handling through amplification, filtering and store;
3) digital signal is imported in the host computer, demonstrate the parameter of tested pipeline by host computer.
Further, described parameter measurement instrument also includes the temp probe of built-in temperature sensor, temp probe is fixed on the pillar, temp probe, connecting pipe I and connecting pipe II are inserted in the pipe under test together in step 1), in step 2) in the data that collect of temp probe through putting, filtering is converted to digital signal again after handling and stores, the temperature digital signal imports in the host computer in step 3), shows by host computer.
Further, described pillar, connecting pipe I and connecting pipe II are the hard pipeline.
Owing to adopted technique scheme, the present invention to have following advantage:
After the present invention has collected physical signalling, by connecting pipe I and connecting pipe II the pressure physical signalling is sent to the measurement mechanism of near-end, is converted to electric signal.With respect to traditional measuring system of physical signalling all being introduced remote host, because connecting pipe and measurement mechanism are set together, the present invention can avoid because of the physical signalling transmission channel long and the shake cause signal fluctuation, disturbed, can improve measurement data stability, reduce the flow measurement lower limit, reduce the human factor influence, and can realize not arrheaing online installation and use, easy for installation, use simple.Simultaneously, also be integrated with temp probe in the end of pillar, in measured pressure signal, can also finish the surveying work of temperature simultaneously.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can obtain instruction from the practice of the present invention.Target of the present invention and other advantages can realize and obtain by following instructions and claims.
Description of drawings
Description of drawings of the present invention is as follows.
Fig. 1 is the structural representation of parameter measurement instrument of the present invention;
Fig. 2 is the enlarged diagram of local A among Fig. 1.
Among the figure: 1. connecting pipe I; 2. connecting pipe II; 3. pillar; 4. temp probe; 5. shell; 6. through hole; 7. waterproof plug.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Gas drainage pipe parameter measuring method, include parameter measurement instrument, parameter measurement instrument includes measurement mechanism and is connected the pitot tube of measurement mechanism fluid signal input port, pitot tube includes pillar 3, the L shaped connecting pipe I 1 of hollow and the L shaped connecting pipe II 2 of hollow, one end of connecting pipe I 1 and connecting pipe II 2 is introducing port, the other end of connecting pipe I 1 and connecting pipe II 2 is the fluid signal delivery outlet, the introducing port of the introducing port of connecting pipe I 1 and connecting pipe II 2 towards opposing, the fluid signal delivery outlet of connecting pipe I 1 and connecting pipe II 2 is connected with the fluid signal input port of measurement mechanism, pillar 3 is wrapped in the outer wall of connecting pipe I 1 and connecting pipe II 2, and the introducing port of the introducing port of connecting pipe I 1 and connecting pipe II 2 is positioned at outside the pillar 3.
Establish the temp probe 4 of temperature sensor in measuring instrument also includes, temp probe 4 is fixed on the pillar 3, and temp probe 4 is connected with measurement mechanism by signal wire, and signal wire is positioned at pillar 3.
Connecting pipe I 1, connecting pipe II 2 and pillar 3 are hard conduit.
Measurement mechanism includes differential pressure pickup, absolute pressure transducer, modulate circuit and A/D modular converter, the fluid signal delivery outlet of connecting pipe I 1 and connecting pipe II 2 is connected with two input ports of differential pressure pickup respectively, absolute pressure transducer is communicated with connecting pipe I 1 or connecting pipe II 2, the data that differential pressure pickup, absolute pressure transducer and temp probe 4 collect are sent to modulate circuit, amplify, filtering handles, and is converted to digital signal by the A/D modular converter again.
Measurement mechanism also includes output circuit, and the digital signal after output circuit will be handled is sent to host computer.
Measurement mechanism can be installed in the can 5, and the housing of can 5 is provided be used to the through hole 6 that passes the order wire that connects output circuit and host computer, can also be provided with the waterproof plug 7 corresponding with through hole 6 on can 5.
Concrete measuring process is:
1) inserts in the pipe under test the connecting pipe I is vertical with the connecting pipe II, the introducing port of connecting pipe I or connecting pipe II is flowed to over against the pipeline inner fluid;
2) read the physical signalling that connecting pipe I and connecting pipe II import, be converted to pressure reduction electric signal and absolute pressure electric signal, be converted to digital signal again after handling through amplification, filtering and store;
3) digital signal is imported in the host computer, demonstrate the parameter of tested pipeline by host computer.
When the present invention uses, with connecting pipe I 1, connecting pipe II 2 and temp probe 4 insert in the pipe under test, the flow direction of one of them export mouth of connecting pipe I 1 or connecting pipe II 2 fluid in the pipeline wherein, the flow direction of another export mouth fluid in the pipeline, the physical signalling of fluid enters in the differential pressure pickup by connecting pipe I 1 and connecting pipe II 2, differential pressure pickup detects the pressure differential of the fluid of connecting pipe I and the inflow of connecting pipe II, the fluid that connecting pipe I 1 or connecting pipe II 2 import flows in the absolute pressure transducer, absolute pressure transducer detects the absolute pressure value of connecting pipe I 1 or connecting pipe II 2, the fluid temperature (F.T.) that simultaneous temperature probe 4 detects in the pipeline, connecting pipe I 1, the analog electrical signal that connecting pipe II 2 and temp probe 4 collect carries out amplification filtering by modulate circuit to be handled, be converted to digital signal by the A/D modular converter again, output circuit is sent to host computer with the digital signal that collects, host computer is handled signal, and shows test results.
Because connecting pipe and measurement mechanism are set together, collected physical signalling after, by connecting pipe I and connecting pipe II the pressure physical signalling is sent to the measurement mechanism of near-end, be converted to electric signal, the transmission distance of physical signalling is the length of connecting pipe.With respect to traditional measuring system of physical signalling all being introduced remote host, the present invention can avoid because of the physical signalling transmission channel long and the shake cause signal fluctuation, disturbed, can improve measurement data stability, reduce the flow measurement lower limit, reduce the human factor influence, and can realize not arrheaing online installation and use, easy for installation, use simple.Simultaneously, also be integrated with temp probe in the end of pillar, in measured pressure signal, can also finish the surveying work of temperature simultaneously.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. gas drainage pipe parameter measuring method, it is characterized in that: include parameter measurement instrument, described parameter measurement instrument includes measurement mechanism and is connected the pitot tube of measurement mechanism fluid signal input port, pitot tube includes pillar, the L shaped connecting pipe I of hollow and the L shaped connecting pipe II of hollow, one end of connecting pipe I and connecting pipe II is introducing port, the other end of connecting pipe I and connecting pipe II is the fluid signal delivery outlet, the introducing port of the introducing port of connecting pipe I and connecting pipe II towards opposing, the fluid signal delivery outlet of connecting pipe I and connecting pipe II is connected with the fluid signal input port of measurement mechanism, pillar is wrapped in the outer wall of connecting pipe I and connecting pipe II, and the introducing port of the introducing port of connecting pipe I and connecting pipe II is positioned at outside the pillar; Measurement mechanism includes differential pressure pickup, absolute pressure transducer, modulate circuit and A/D modular converter, the fluid signal delivery outlet of connecting pipe I and connecting pipe II is connected with two input ports of differential pressure pickup respectively, absolute pressure transducer is communicated with connecting pipe I or connecting pipe II, the data that differential pressure pickup and absolute pressure transducer collect are sent to modulate circuit, amplify, filtering handles, and is converted to digital signal by the A/D modular converter again;
Concrete measuring process is as follows:
1) inserts in the pipe under test the connecting pipe I is vertical with the connecting pipe II, the introducing port of connecting pipe I or connecting pipe II is flowed to over against the pipeline inner fluid;
2) read the physical signalling that connecting pipe I and connecting pipe II import, be converted to pressure reduction electric signal and absolute pressure electric signal, be converted to digital signal again after handling through amplification, filtering and store;
3) digital signal is imported in the host computer, demonstrate the parameter of tested pipeline by host computer.
2. gas drainage pipe parameter measuring method as claimed in claim 1, it is characterized in that: described parameter measurement instrument also includes the temp probe of built-in temperature sensor, temp probe is fixed on the pillar, temp probe, connecting pipe I and connecting pipe II are inserted in the pipe under test together in step 1), in step 2) in the data that collect of temp probe through putting, filtering is converted to digital signal again after handling and stores, the temperature digital signal imports in the host computer in step 3), shows by host computer.
3. gas drainage pipe parameter measuring method as claimed in claim 1, it is characterized in that: described pillar, connecting pipe I and connecting pipe II are the hard pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123221.3A CN103234687B (en) | 2013-04-10 | 2013-04-10 | Method for measuring parameters of gas drainage pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123221.3A CN103234687B (en) | 2013-04-10 | 2013-04-10 | Method for measuring parameters of gas drainage pipeline |
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| CN103234687A true CN103234687A (en) | 2013-08-07 |
| CN103234687B CN103234687B (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640182A (en) * | 2016-12-30 | 2017-05-10 | 中国矿业大学(北京) | Drilling gas minimum-flow measurement method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031123A (en) * | 1987-07-30 | 1989-02-15 | 潘盖尔企业有限公司 | Adopt the drilling rod and the sleeve pipe of many conduits tubing |
| CN2935096Y (en) * | 2006-05-19 | 2007-08-15 | 李易 | Integrated differential pressure flowmeter |
| CN201318957Y (en) * | 2008-10-21 | 2009-09-30 | 铁岭铁光仪器仪表有限责任公司 | Probe-type flow sensor and intelligent probe-type flowmeter comprising same |
| US20120160329A1 (en) * | 2009-06-25 | 2012-06-28 | Paradigm Flow Solutions Limited | Method and apparatus for monitoring fluids |
-
2013
- 2013-04-10 CN CN201310123221.3A patent/CN103234687B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836305A (en) * | 1985-05-06 | 1989-06-06 | Pangaea Enterprises, Inc. | Drill pipes and casings utilizing multi-conduit tubulars |
| CN1031123A (en) * | 1987-07-30 | 1989-02-15 | 潘盖尔企业有限公司 | Adopt the drilling rod and the sleeve pipe of many conduits tubing |
| JPH01111988A (en) * | 1987-07-30 | 1989-04-28 | Pangaea Enterprises Inc | Drill pipe for boring bed and coupling method thereof and coupler |
| CN2935096Y (en) * | 2006-05-19 | 2007-08-15 | 李易 | Integrated differential pressure flowmeter |
| CN201318957Y (en) * | 2008-10-21 | 2009-09-30 | 铁岭铁光仪器仪表有限责任公司 | Probe-type flow sensor and intelligent probe-type flowmeter comprising same |
| US20120160329A1 (en) * | 2009-06-25 | 2012-06-28 | Paradigm Flow Solutions Limited | Method and apparatus for monitoring fluids |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640182A (en) * | 2016-12-30 | 2017-05-10 | 中国矿业大学(北京) | Drilling gas minimum-flow measurement method |
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Address after: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Applicant after: CCTEG CHONGQING RESEARCH INSTITUTE Co.,Ltd. Address before: 400039 Chongqing Jiulongpo Erlang Branch City Road No. 6 Applicant before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
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