CN109489775A - A kind of calibration equipment and method of calibration of anti-vibration electromagnetism interference flowmeter - Google Patents
A kind of calibration equipment and method of calibration of anti-vibration electromagnetism interference flowmeter Download PDFInfo
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- CN109489775A CN109489775A CN201811269184.6A CN201811269184A CN109489775A CN 109489775 A CN109489775 A CN 109489775A CN 201811269184 A CN201811269184 A CN 201811269184A CN 109489775 A CN109489775 A CN 109489775A
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- flowmeter
- measurement pipeline
- eccentric block
- calibration equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
Abstract
The invention discloses the calibration equipments and method of calibration of a kind of anti-vibration electromagnetism interference flowmeter, including measurement pipeline, vibrating motor, eccentric block, antirattle spring and supporting element, the import of flowmeter to be marked, which is flexible coupling with the measurement pipeline by flange, to be attached, eccentric block is connect with the vibrating motor, a side contacts of eccentric block and the measurement pipeline；The antirattle spring is set to the other side opposite with eccentric block of the measurement pipeline, one end of antirattle spring is connect with measurement pipeline, the other end is fixed by the supporting element, keeps antirattle spring substantially vertical with measurement pipeline on the whole, and antirattle spring is in compression or natural elongation state.The calibration equipment can analog stream meter work in vibration and electromagnetic interference environment, the flowmeter verified in anti-vibration electromagnetism interference flow gauge checking apparatus has certain anti-vibration and electromagnetic interference performance, improves precision and the service life of flowmeter normal work.
Description
Technical field
The present invention relates to flowmeter metering fields, and in particular to a kind of calibration equipment of anti-vibration electromagnetism interference flowmeter
And method of calibration.
Background technique
Common flowmeter is manufactured according to standard criterion, and producer for user provides flow curve table or by defined
Flowmeter calculation formula provides specified discharge coefficient.If user loses factory flow curve table or when in use locating temperature
Degree, pressure, medium character are accurate and easy to use in order to measure, it is necessary to demarcate to flowmeter with difference when demarcating.I.e.
Make corrected flowmeter, when due to long-time using wearing larger, should also correct again.
Existing flow gauge checking apparatus is mostly water flow standard calibration equipment and air mass flow calibration equipment, flow be
It is verified under noiseless environmental condition, is the effect by liquid pump, by pond when such as the verification of Static mass method fluid flow
In water squeeze into pressurizing vessel through filter, through pressurizing vessel eliminate dither after enter developmental tube road.Pressure stabilizing measure is school
When testing design the problem of overriding concern, because device pressure is directly related to the stabilization of primary test flow in process whether stabilization
Degree directly affects the reliability of the flow meter data of device detection.But the flowmeter for using conventional method verification qualified
Often there is the problems such as performance is bad, and measurement error increases, and data stability is poor in environment complicated and changeable at the scene in product, sternly
The normal use of flowmeter is affected again.
Summary of the invention
For above-mentioned the technical problems existing in the prior art, it is dry that the object of the present invention is to provide a kind of anti-electromagnetism of anti-vibration
The calibration equipment and method of calibration of flow-disturbing meter.Vibration interference link and electromagnetic interference link are increased in checking procedure, it can
To imitate production scene operating condition complicated and changeable to greatest extent, make the flowmeter verified that there is better anti-vibration, anti-electromagnetism
The ability of interference.
In order to solve problem above, the technical solution of the present invention is as follows:
A kind of calibration equipment of anti-vibration electromagnetism interference flowmeter, including measure pipeline, vibrating motor, eccentric block, prevent
Shake spring and supporting element, the import of flowmeter to be marked, which is flexible coupling with the measurement pipeline by flange, to be attached, eccentric block and
The vibrating motor connection, a side contacts of eccentric block and the measurement pipeline；
The antirattle spring be set to it is described measurement pipeline the other side opposite with eccentric block, one end of antirattle spring with
Pipeline connection is measured, the other end is fixed by the supporting element, and keep antirattle spring substantially vertical with measurement pipeline on the whole, and
Antirattle spring is in compression or natural elongation state.
Vibration force is obtained using the centrifugal force that axis and eccentric block high speed rotation generate, adjusting vibrating motor can change motor
Vibration frequency, adjusting eccentric block can change Oscillation Amplitude, adjust frequency converter and eccentric block obtain demand vibration displacement and
Frequency, and then specific production status is simulated to greatest extent.When eccentric block applies vibration to measurement pipeline, it is easy to cause pipeline not
Stop shaking, and then more complicated interference effect is played to internal liquid, be unfavorable for artificially controlling, so by eccentric block and preventing
Shake spring is distributed in the two sides of measurement pipeline, and while eccentric block applies active force to measurement pipeline, antirattle spring is to measurement pipe
Road applies opposition, and on the one hand can make measurement pipe road is only reciprocal vibration under the action of eccentric block and measurement spring
It is dynamic, internal liquid vibration is driven, the vibration of measurement pipeline itself is prevented；On the other hand, antirattle spring applies one to measurement pipeline
Fixed restoring force guarantees the lasting presence of vibration interference so that the movement of eccentric block always works to measurement pipeline.
Flowmeter to be marked is connect with measurement pipeline, and measurement pipeline will drive flowmeter vibration to be marked in vibration, is unfavorable for
The accurate calibration of flowmeter to be marked, so using being flexible coupling between flowmeter to be marked and measurement pipeline, to mitigate flow to be marked
The vibration of meter.Meanwhile the presence being flexible coupling can also reduce the self vibration of measurement pipeline.
Preferably, the material of the antirattle spring is stainless steel, and the outer diameter of spring is 25-35mm, and spring wire diameter is
2.5-3.5mm, the length of spring are 25-35cm.
Preferably, the flange is flexible coupling for DN50, DN80, DN100, DN150, DN200 or DN300.
Preferably, the antirattle spring and eccentric block with wait mark at a distance from flowmeter as 30-50cm.Convenient for reducing measurement pipe
The vibration in road, to mitigate the vibration of flowmeter to be marked.
Preferably, the vibrating motor and eccentric block are located at the lower section of measurement pipeline, and antirattle spring is located at measurement pipeline
Top.
Preferably, the vibrating motor be MVE 60/3 AC three-phase vibrating motor, 2900 revs/min of revolving speed, frequency
50HZ.Vibration frequency can require to be adjusted according to vibration.
Preferably, the calibration equipment further includes adjustable resistance case, the first electromagnetic coil and the second electromagnetic coil, the first electricity
Magnetic coil and the second electromagnetic coil series connection, be separately mounted to the two sides up and down of flowmeter to be marked, and successively with adjustable resistance case and
Power supply connection.First electromagnetic coil and the second electromagnetic coil form alternating magnetic field after being powered, by the electricity for adjusting series resistance case
It hinders size and changes magnetic field strength.
Extraneous magnetic field can generate certain interference effect to the detection of flowmeter, by increasing electromagnetism in checking procedure
Interference improves flowmeter to the resistivity of electromagnetic interference, further increases the ability that flowmeter copes with environment complicated and changeable.
It is further preferred that first electromagnetic coil is fixed on the supporting element.
Preferably, the flow to be marked is calculated as balance flow meter, wedge flow meter, metallic rotameter, Electromagnetic Flow
Meter, vortex-shedding meter or mass flowmenter.
Preferably, the calibration equipment further includes proving flowmeter, and the proving flowmeter is connected with flowmeter to be marked, mark
Pipeline locating for quasi- flowmeter is identical as flowmeter to be marked.Entire calibration equipment uses standard scale water flow check addition and quality water flow
Measure check addition.
Proving flowmeter and flowmeter to be marked apply identical vibration interference simultaneously and electromagnetic interference carrys out detection stream meter performance,
More acurrate flowmeter can be verified.
A kind of method of calibration of anti-vibration electromagnetism interference flowmeter, includes the following steps:
1) all parts of the calibration equipment where flowmeter and proving flowmeter to be marked are connected；
2) it is passed through working fluid into measurement pipeline, vibrating motor and eccentric block is adjusted, with the frequency and vibration needed
Width obtains the liquid flow condition being adapted with actual condition when applying active force to measurement pipeline；
3) resistance sizes for adjusting adjustable resistance case treat mark stream using the first electromagnetic flowmeter and the second electromagnetic flowmeter
Meter and proving flowmeter apply identical alternating magnetic field；
4) it according to the counting of proving flowmeter and flowmeter to be marked, treats mark flowmeter and is verified.
The invention has the benefit that
The calibration equipment can analog stream meter work in vibration and electromagnetic interference environment, in anti-vibration electromagnetism interference
The flowmeter verified in flow gauge checking apparatus has certain anti-vibration and electromagnetic interference performance, improves the normal work of flowmeter
The precision of work and service life.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of the calibration equipment of anti-vibration electromagnetism interference flowmeter of the invention.
Wherein, 1, adjustable resistance case, the 2, first electromagnetic coil, 3, eccentric block, 4, vibrating motor, 5, flowmeter to be marked, 6,
Flange is flexible coupling, 7, antirattle spring, 8, supporting element, 9, measurement pipeline.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As shown in Figure 1, a kind of calibration equipment of anti-vibration electromagnetism interference flowmeter, including measurement pipeline 9, vibrating motor
4, eccentric block 3, antirattle spring 7 and supporting element 8, the import of flowmeter 5 to be marked and the measurement pipeline 9 are flexible coupling 6 by flange
It is attached, eccentric block 3 is connect with the vibrating motor 4, a side contacts of eccentric block 3 and the measurement pipeline 9；
The antirattle spring 7 is set to the other side opposite with eccentric block 3 of the measurement pipeline 9, such as 4 He of vibrating motor
Eccentric block 3 is located at the lower section of measurement pipeline 9, and antirattle spring 7 is located at the top for measuring pipeline 9 or vibrating motor 4 and eccentric block 3
Positioned at the left side of measurement pipeline 9, antirattle spring 7 is located at the right side of measurement pipeline 9.
One end of antirattle spring 7 is connect with measurement pipeline 9, and the other end is fixed by the supporting element 8, makes antirattle spring
7 is substantially vertical with measurement pipeline 9 on the whole, and antirattle spring 7 is in compression or natural elongation state.The material of antirattle spring 7
For stainless steel, the outer diameter of spring is 25-35mm, and spring wire diameter is 2.5-3.5mm, and the length of spring is 25-35cm.Flange
It is flexible coupling for DN50, DN80, DN100, DN150, DN200 or DN300.
Antirattle spring 7 and eccentric block 3 are 30-50cm at a distance from flowmeter 5 to be marked.
Vibrating motor be MVE 60/3 AC three-phase vibrating motor, 2900 revs/min of revolving speed, frequency 50HZ.Vibration frequency
It can require to be adjusted according to vibration.
The calibration equipment of anti-vibration electromagnetism interference flowmeter further includes adjustable resistance case 1, the first electromagnetic coil 2 and second
Electromagnetic coil, the first electromagnetic coil 2 and the series connection of the second electromagnetic coil, are separately mounted to the two sides up and down of flowmeter 5 to be marked, and according to
It is secondary to be connect with adjustable resistance case 1 and power supply.First electromagnetic coil 2 is fixed on the supporting element 8.
Flowmeter to be marked can be balance flow meter, wedge flow meter, metallic rotameter, electromagnetic flowmeter, vortex street
Flowmeter or mass flowmenter.It being detected to more accurately treat mark flowmeter, calibration equipment further includes proving flowmeter,
The proving flowmeter is connected with flowmeter to be marked, and pipeline locating for proving flowmeter is identical as flowmeter to be marked.Entire verification dress
It sets and uses standard scale water flow check addition and quality water flow check addition.Flowmeter to be marked and normal stream are controlled by same controller
The vibrating motor of pipeline locating for meter, is at identical frequency, and adjustment eccentric block makes it have identical amplitude, adjusts
Adjustable resistance case makes it have identical resistance, generates identical alternating magnetic field.It is in proving flowmeter and flowmeter to be marked
In identical working environment, to improve the accuracy of flowmeter verification to be marked.
Using the method for calibration of above-mentioned anti-vibration electromagnetism interference flowmeter, include the following steps:
1) all parts of the calibration equipment where flowmeter and proving flowmeter to be marked are connected；
2) it is passed through working fluid into measurement pipeline, vibrating motor and eccentric block is adjusted, with the frequency and vibration needed
Width obtains the liquid flow condition being adapted with actual condition when applying active force to measurement pipeline；
3) resistance sizes for adjusting adjustable resistance case treat mark stream using the first electromagnetic flowmeter and the second electromagnetic flowmeter
Meter and proving flowmeter apply identical alternating magnetic field；
4) it according to the counting of proving flowmeter and flowmeter to be marked, treats mark flowmeter and is verified.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of calibration equipment of anti-vibration electromagnetism interference flowmeter, it is characterised in that: including measurement pipeline, vibrating motor,
Eccentric block, antirattle spring and supporting element, the import of flowmeter to be marked, which is flexible coupling with the measurement pipeline by flange, to be attached,
Eccentric block is connect with the vibrating motor, a side contacts of eccentric block and the measurement pipeline；
The antirattle spring is set to the other side opposite with eccentric block of the measurement pipeline, one end of antirattle spring and measurement
Pipeline connection, the other end are fixed by the supporting element, keep antirattle spring substantially vertical and shockproof with measurement pipeline on the whole
Spring is in compression or natural elongation state.
2. calibration equipment according to claim 1, it is characterised in that: the material of the antirattle spring is stainless steel, spring
Outer diameter be 25-35mm, spring wire diameter is 2.5-3.5mm, and the length of spring is 25-35cm.
3. calibration equipment according to claim 1, it is characterised in that: the antirattle spring and eccentric block and flowmeter to be marked
Distance be 30-50cm.
4. calibration equipment according to claim 1, it is characterised in that: the vibrating motor and eccentric block are located at measurement pipeline
Lower section, antirattle spring be located at measurement pipeline top.
5. calibration equipment according to claim 1, it is characterised in that: the vibrating motor is the AC three-phase of MVE 60/3
Vibrating motor, 2900 revs/min of revolving speed, frequency 50HZ.
6. calibration equipment according to claim 1, it is characterised in that: further include adjustable resistance case, the first electromagnetic coil and
Second electromagnetic coil, the first electromagnetic coil and the series connection of the second electromagnetic coil, are separately mounted to the two sides up and down of flowmeter to be marked, and
Successively it is connect with adjustable resistance case and power supply.
7. calibration equipment according to claim 6, it is characterised in that: first electromagnetic coil is fixed on the supporting element
On.
8. calibration equipment according to claim 1, it is characterised in that: the flow to be marked is calculated as balance flow meter, wedge shape
Flowmeter, metallic rotameter, electromagnetic flowmeter, vortex-shedding meter or mass flowmenter.
9. calibration equipment according to claim 1, it is characterised in that: the calibration equipment further includes proving flowmeter, institute
It states proving flowmeter to connect with flowmeter to be marked, pipeline locating for proving flowmeter is identical as flowmeter to be marked.
10. a kind of method of calibration of anti-vibration electromagnetism interference flowmeter, characterized by the following steps:
1) all parts of the calibration equipment where flowmeter and proving flowmeter to be marked are connected；
2) it is passed through working fluid into measurement pipeline, adjusts vibrating motor and eccentric block, it is right with the frequency and amplitude needed
When measuring pipeline application active force, the liquid flow condition being adapted with actual condition is obtained；
3) resistance sizes for adjusting adjustable resistance case, treat mark flowmeter using the first electromagnetic flowmeter and the second electromagnetic flowmeter
Apply identical alternating magnetic field with proving flowmeter；
4) it according to the counting of proving flowmeter and flowmeter to be marked, treats mark flowmeter and is verified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269184.6A CN109489775B (en) | 2018-10-29 | 2018-10-29 | Calibration device and calibration method for anti-vibration anti-electromagnetic interference flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811269184.6A CN109489775B (en) | 2018-10-29 | 2018-10-29 | Calibration device and calibration method for anti-vibration anti-electromagnetic interference flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109489775A true CN109489775A (en) | 2019-03-19 |
| CN109489775B CN109489775B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811269184.6A Active CN109489775B (en) | 2018-10-29 | 2018-10-29 | Calibration device and calibration method for anti-vibration anti-electromagnetic interference flowmeter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076628A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Flowmeter performance detection device and method |
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| CN101701841A (en) * | 2009-11-20 | 2010-05-05 | 天津大学 | Experimental device and method for researching influence of periodic vibration of pipeline on flow meter |
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| US8005635B2 (en) * | 2007-08-14 | 2011-08-23 | Ching-Fang Lin | Self-calibrated azimuth and attitude accuracy enhancing method and system (SAAAEMS) |
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| US5402670A (en) * | 1993-04-29 | 1995-04-04 | Wicnienski; Michael F. | Mass measuring system |
| JP2000111380A (en) * | 1998-10-01 | 2000-04-18 | Mitsubishi Heavy Ind Ltd | Coriolis-type mass flowmeter |
| CN101784870A (en) * | 2007-07-10 | 2010-07-21 | 罗斯蒙德公司 | Noise diagnosis of operating conditions for an electromagnetic flowmeter |
| US8005635B2 (en) * | 2007-08-14 | 2011-08-23 | Ching-Fang Lin | Self-calibrated azimuth and attitude accuracy enhancing method and system (SAAAEMS) |
| CN101701841A (en) * | 2009-11-20 | 2010-05-05 | 天津大学 | Experimental device and method for researching influence of periodic vibration of pipeline on flow meter |
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| CN114076628A (en) * | 2020-08-14 | 2022-02-22 | 中国石油天然气股份有限公司 | Flowmeter performance detection device and method |
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| CN109489775B (en) | 2020-08-04 |
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Address after: 250400 No. 345 Qinglong Road, Pingyin County, Shandong, Ji'nan Patentee after: PINGYIN LUXI EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 252000 new chemical materials Industrial Park, Liaocheng high tech Industrial Development Zone, Shandong Province Patentee before: PINGYIN LUXI EQUIPMENT TECHNOLOGY Co.,Ltd. |