CN106248158A - A kind of range changing Coriolis flowmeter and range changing method - Google Patents
A kind of range changing Coriolis flowmeter and range changing method Download PDFInfo
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- CN106248158A CN106248158A CN201610782790.2A CN201610782790A CN106248158A CN 106248158 A CN106248158 A CN 106248158A CN 201610782790 A CN201610782790 A CN 201610782790A CN 106248158 A CN106248158 A CN 106248158A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 9
- 230000005520 electrodynamics Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 15
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
- G01F1/845—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits
- G01F1/8468—Coriolis or gyroscopic mass flowmeters arrangements of measuring means, e.g., of measuring conduits vibrating measuring conduits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/005—Valves
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention belongs to automatic Measurement Technology for Tri field, specifically, disclose a kind of range changing coriolis force effusion meter and range changing method.Described range changing Coriolis flowmeter includes measuring pipe, electromagnetic signal detector, driver；Measure pipe all with the section rings that isocon is distributed in tubular diverter.Measure the circulation area of pipe, crushing and the circulation area of isocon, crushing identical, identical with the flow flow through under pressure.The number of isocon can be one or more, is symmetrically or non-symmetrically in form, meets under same equal pressure, flows through measurement pipe consistent with the flow of isocon.Presently disclosed range changing coriolis force effusion meter and range changing method, can meet the measurement under user's different flow under conditions of user not undergauge, and the most small-bore effusion meter can survey the mass flow of super large caliber simultaneously.In structure, installation dimension is little, it is simple to installs, greatly reduces the weight of product simultaneously, save cost of transportation and material cost.
Description
Technical field
The invention belongs to automatic Measurement Technology for Tri field, specifically, disclose a kind of range changing Coriolis flowmeter
And range changing method.
Background technology
Flow measurement is one of ingredient of measuring science technology, and it has with national economy, national defense construction, scientific research
Close relationship, to ensure product quality, improve production efficiency, the development of the technology that advances science all has important effect, special
It not in energy crisis, current era that industrial production automation degree is the highest, effusion meter status in national economy
Become apparent from effect.
Effusion meter for indicate measured flux and (or) in selected time interval the instrument of fluid total volume, in simple terms
It is exactly for measuring a kind of instrument of fluid flow in pipeline or open channel.The volume of fluid is the function of fluid temperature (F.T.) and pressure,
A dependent variable, and the quality of fluid be one the most in time, the change of space temperature, pressure and the amount that changes.Effusion meter
Being widely used in every field, such as, field of industrial production, flow instrument is process instrument and meter for automation and the big class instrument in device
One of table, it be widely used in metallurgy, electric power, coal, chemical industry, oil, traffic, building, light textile, food, medicine, agricultural,
The national economy every field such as environmental conservation and people's daily life, are development industrial and agricultural productions, save the energy, improve product matter
Amount, increases economic efficiency and the important tool of management level occupies an important position in national economy.
Stream involved in the activities such as scientific research, production process control, quality management, business accounting and trade transaction
The scale of construction mostly typically is quality.Typically, mass flowmenter can be divided into two classes: a class is direct-type, the most directly exports mass flow；Separately
One class is indirect type or derivation formula, and such as application ultrasonic flowmeter and density meter combination, the output to them carries out multiplying again
To draw mass flow.
In numerous mass flowmenters, coriolis mass flowmeters (being called for short coriolis force effusion meter) is that one utilizes fluid
The principle of Coriolis force that flowing in vibrating tube and producing is directly proportional to mass flow directly measures the instrument of mass flow
Table.Coriolis force flowmeter structure has various ways, is typically made up of with transducer vibrating tube.Vibrating tube (measurement pipeline) is sensitive
Device, has several shapes such as U-shaped, Ω shape, annular, Straight and spiral type, the mode such as also have employing two-tube, but ultimate principle phase
With.Coriolis force effusion meter is currently to solve closed conduct fluid media (medium) to measure preferable solution, can directly measure medium
Density of mass flux and temperature and precision are high, but existing coriolis force effusion meter cannot be used for the flow measurement of Large Diameter Pipeline, separately
Outward, major part coriolis force effusion meter there is bigger volume and weight, the pressure loss is bigger, i.e. have range low and fixing and
The shortcoming that inconvenience changes.
Summary of the invention
For the problems referred to above, the present invention discloses a kind of range changing coriolis force effusion meter and range changing method.
A kind of range changing Coriolis flowmeter, it is characterised in that include measuring pipe 3, electromagnetic signal detector 5 and 6,
Electromagnetic driver 7；Measurement pipe 3 and isocon are distributed in the section rings week of tubular diverter 1.
Optionally, in described range changing Coriolis flowmeter, it is characterised in that measure the circulation area of pipe 3, pressure
Damage identical with the circulation area of isocon, crushing, identical with the flow flow through under pressure.
Optionally, in described range changing Coriolis flowmeter, it is characterised in that the number of isocon can be one
Individual or multiple, it is symmetrically or non-symmetrically in form, meets under same equal pressure, flow through measurement pipe 3 and the flow one of isocon
Cause.
Optionally, in described range changing Coriolis flowmeter, it is characterised in that measure and be provided with tune stream on pipe 3
Valve 4.
Optionally, in described range changing Coriolis flowmeter, it is characterised in that flow regulating valve 4 is hand-operated valve, electronic
Any one in valve or pneumatic operated valve, wherein, in the case of application electrodynamic valve or pneumatic operated valve, it is achieved range changing operation from
Dynamicization.
Optionally, in described range changing Coriolis flowmeter, it is characterised in that the form knot of described measurement pipe 3
Structure is any one in U-shaped, Ω shape, annular, Straight, spiral type or two-tube form.
A kind of coriolis force effusion meter range changing method, it is characterised in that use range changing Coriolis flowmeter, described
Range changing Coriolis flowmeter includes measuring pipe 3, electromagnetic signal detector 5 and 6, driver 7；Measure pipe 3 and isocon
It is distributed in the section rings week of tubular diverter 1；Measurement pipe self work range at coriolis force effusion meter can not meet by being situated between
During the traffic requirement of matter, adjust flow as desired by changing the quantity that isocon opens or closes, utilize and measure pipe detection
Flow through the mass of medium flow measured in pipe, and determine amplification, eventually through whole meter according to the isocon number opened
The mass flow of amount equipment is the product by measuring pipe mass of medium flow and amplification.
Optionally, in described coriolis force effusion meter range changing method, it is characterised in that measure the circulation area of pipe 3, crushing
Identical with the circulation area of isocon, crushing, identical with the flow flow through under pressure；The number of isocon can be one or many
Individual, it is symmetrically or non-symmetrically in form, meets under same equal pressure, flow through measurement pipe 3 consistent with the flow of isocon.
Optionally, in described coriolis force effusion meter range changing method, it is characterised in that measure and be provided with flow regulating valve on pipe 3
4, flow regulating valve 4 is any one in hand-operated valve, electrodynamic valve or pneumatic operated valve, wherein, in application electrodynamic valve or the feelings of pneumatic operated valve
Under condition, it is achieved the automatization of range changing operation.
Optionally, in described coriolis force effusion meter range changing method, it is characterised in that the form structure of described measurement pipe 3
It is any one in U-shaped, Ω shape, annular, Straight, spiral type or two-tube form.
Presently disclosed range changing coriolis force effusion meter and range changing method, can expire under conditions of user not undergauge
Measurement under foot user's different flow, the most small-bore effusion meter can survey the mass flow of super large caliber simultaneously.In structure
Installation dimension is little, it is simple to installs, greatly reduces the weight of product simultaneously, save cost of transportation and material cost.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of range changing coriolis force effusion meter in the embodiment of the present invention, wherein visible removal coriolis force stream
Internal structure after the part enclosure of gauge.
Accompanying drawing 2 is the side view of range changing coriolis force effusion meter in the embodiment of the present invention.
Description of reference numerals:
Diverter-1, procedural interface-2, measurement pipe-3, flow regulating valve-4, electromagnetic signal detector-5, electromagnetic signal detection
Device-6, electromagnetic driver-7, support body-8, four isocon-(F1-F4).
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings to a kind of range changing coriolis force effusion meter of the present invention and range changing
Method is described further, but protection scope of the present invention is not limited to this.
Coriolis principle is applied to the ultimate principle of run-of-the-mill effusion meter: mass flowmenter allows measured fluid
Measurement pipe in being rotated by one or vibrated, fluid flowing in the duct is equivalent to linear motion, measures the rotation of pipe
Or vibration can produce an angular velocity, it is affected by what additional electromagnetic field drove owing to rotating or vibrating, has fixing frequency, because of
And the Coriolis force that fluid is subject in the duct is only relevant with its quality and movement velocity, and quality and movement velocity i.e. flow velocity
Product be exactly the mass flow needing to measure, thereby through measuring the Coriolis force that is subject in the duct of fluid, the most permissible
Measure its mass flow.
General coriolis force effusion meter range is fixed, it is impossible to amplifies flexibly, causes surpassing when running into fluids within pipes increased flow capacity
After range, in order to continue to measure and avoid flow measurement to damage, can only be replaced, and coriolis force flow measurement is owing to belonging to relatively
Accurate measuring equipment, repeatedly dismantles and easily causes the precision of internal part decline or damage, thus, it is necessary to existing section
Family name's power flow measurement improves so that it can adapt to product or flow needs to change range, and then cuts operating costs, and carries
High workload efficiency.
Present invention change realizes the ultimate principle of coriolis force effusion meter range change: according to the principle of similitude in hydrodynamics
Geometric similarity, kinematic similitude, dynamic similarity principle, with Coriolis principle organically combine, use diverter to flowing through Coriolis
The fluid of power effusion meter carries out proportional diverting, then carries out scaling according to the metric results of coriolis force effusion meter, and then obtains
Higher by flow with metric results.
Make the measurement circulation area of pipe, crushing and the circulation area of isocon (similar pipe), crushing identical, with under pressure
The flow that they flow through is the same, by changing isocon (similar pipe) quantity that opens or closes with regard to flow rate adjustable.Survey
Buret and isocon are evenly distributed in the section rings week of tubular diverter.Determine that pipe is current by the unlatching quantity changing isocon
Effective discharge measures scope.Measurement pipe detection is utilized to flow through the mass of medium flow measured in pipe, and according to the isocon opened
Number determines amplification, i.e. the mass flow eventually through whole measuring equipment is by measuring pipe mass of medium flow and putting
The product of big multiple.By measuring frequency of vibration detection Media density, it is situated between by measuring the outside temperature probe detection installed of pipe
Matter temperature.
Range changing coriolis force effusion meter
Accompanying drawing 1 is the front view of range changing coriolis force effusion meter in the embodiment of the present invention, wherein visible removal coriolis force stream
Internal structure after the part enclosure of gauge.In Fig. 1, by removing the partially visible of shell, the measurement of coriolis force effusion meter
Pipe 3, electromagnetic signal detector 5 and detector 6 and electromagnetic driver 7.Driver 7 provides vibration for measuring pipe 3, and electromagnetic signal is examined
Survey device 5 and detector 6 detects medium fluid and flows through measurement tube vibration when measuring pipe, by detecting the phase contrast of signal, this phase
Position extent is directly proportional to flow through the mass flow of flowtube, phase contrast carries out digital processing, is used for after filtering noise reduction
Calculate mass flow.As seen in Figure 1, support body 8 diverter 1 and Coriolis flowmeter structure above are formed support and
Fixing.
Accompanying drawing 2 is the side view of range changing coriolis force effusion meter in the embodiment of the present invention.As shown in Figure 2, pipe 3 He is measured
Isocon (F1-F4) is evenly distributed in the section rings week of tubular diverter.Measure the circulation area of pipe 3, crushing and isocon
(F1-F4) circulation area, crushing are identical, and i.e. measuring pipe is similar pipe with isocon, identical with the flow flow through under pressure.?
When self work range of the measurement pipe of coriolis force effusion meter can not meet the traffic requirement by medium, as desired by opening
Or closedown flow regulating valve 4 changes the quantity adjustment flow that isocon opens or closes, fluid flows into effusion meter from procedural interface left end,
Flow through simultaneously and measure pipe 3 and isocon, utilize measurement pipe detection to flow through the mass of medium flow measured in pipe, and according to unlatching
Isocon number determines amplification, i.e. the mass flow eventually through whole measuring equipment is by measuring pipe mass of medium stream
Amount and the product of amplification.
Should be appreciated that in attached Fig. 1 and 2, the design of four symmetrical flow division pipes is example, can be enterprising in quantity and form
Row change, such as, the number separating pipe can be eight, can be symmetrically or non-symmetrically, as long as disclosure satisfy that in form
With under equal pressure, flow through measurement pipe consistent with the flow of isocon.
Should be appreciated that in attached Fig. 1 and 2, the design of flow regulating valve 4 manual form is example, can be electrodynamic valve or gas
Dynamic valve.Especially, in the case of application electrodynamic valve and pneumatic operated valve, the automatization of range changing operation can be realized.
Should be appreciated that the shunting principle range changing in the present invention can be applicable to the coriolis force effusion meter of form of ownership, such as,
But it is not limited to, the coriolis force effusion meter of U-shaped, Ω shape, annular, Straight, spiral type and two-tube form structure.
A kind of coriolis force effusion meter range changing method
Coriolis force effusion meter connects such as the diverter in Fig. 1 and 2, as shown in Figure 2, measures pipe 3 and isocon (F1-F4)
It is evenly distributed in the section rings week of tubular diverter.Measure the circulation area of pipe 3, crushing and the circulating face of isocon (F1-F4)
Long-pending, crushing is identical, identical with the flow flow through under pressure.Measurement pipe self work range at coriolis force effusion meter can not meet
During by the traffic requirement of medium, change, as desired by opening or closing flow regulating valve 4, the quantity that isocon opens or closes
Adjust flow, utilize measurement pipe detection to flow through the mass of medium flow measured in pipe, and determine according to the isocon number opened
Amplification, the i.e. mass flow eventually through whole measuring equipment are by measuring pipe mass of medium flow and amplification
Product.
The design that should be appreciated that four symmetrical flow division pipes is example, can be changed in quantity with in form, example
As, the number separating pipe can be eight, can be symmetrically or non-symmetrically, as long as disclosure satisfy that at same equal pressure in form
Under, flow through measurement pipe consistent with the flow of isocon.The design of flow regulating valve 4 manual form is example, can be electronic
Valve or pneumatic operated valve.Especially, in the case of application electrodynamic valve and pneumatic operated valve, the automatization of range changing operation can be realized.
Presently disclosed shunting principle range changing method can be applicable to the coriolis force effusion meter of form of ownership, such as, but not limited to,
The coriolis force effusion meter of U-shaped, Ω shape, annular, Straight, spiral type and two-tube form structure.
Above-mentioned range changing coriolis force effusion meter and range changing method, can meet user different under conditions of user not undergauge
Measurement under flow, the most small-bore effusion meter can survey the mass flow of super large caliber simultaneously.In structure, installation dimension is little,
It is easily installed, greatly reduces the weight of product simultaneously, save cost of transportation and material cost.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the exemplary enforcement that uses
Mode, but the invention is not limited in this.For those skilled in the art, in the essence without departing from the present invention
In the case of god and essence, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a range changing Coriolis flowmeter, it is characterised in that include measuring and manage (3), electromagnetic signal detector (5,
6), electromagnetic driver (7)；Measurement pipe (3) and isocon are distributed in the section rings week of tubular diverter (1).
Range changing Coriolis flowmeter the most according to claim 1, it is characterised in that measure the circulating face of pipe (3)
Long-pending, crushing and the circulation area of isocon, crushing are identical, identical with the flow flow through under pressure.
Range changing Coriolis flowmeter the most according to claim 2, it is characterised in that the number of isocon is one
Or multiple, it is symmetrically or non-symmetrically in form, meets under same equal pressure, flow through measurement pipe (3) and the flow one of isocon
Cause.
Range changing Coriolis flowmeter the most according to claim 1, it is characterised in that measure and be provided with on pipe (3)
Flow regulating valve (4).
Range changing Coriolis flowmeter the most according to claim 4, it is characterised in that flow regulating valve (4) be hand-operated valve,
Any one in electrodynamic valve or pneumatic operated valve, wherein, in the case of application electrodynamic valve or pneumatic operated valve, it is achieved range changing operates
Automatization.
Range changing Coriolis flowmeter the most according to claim 1, it is characterised in that the shape of described measurement pipe (3)
Formula structure is any one in U-shaped, Ω shape, annular, Straight, spiral type or two-tube form.
7. a Coriolis flowmeter range changing method, it is characterised in that use range changing Coriolis flowmeter, institute
State range changing Coriolis flowmeter to include measuring pipe (3), electromagnetic signal detector (5,6), electromagnetic driver (7)；Measure
Pipe (3) and isocon are distributed in the section rings week of tubular diverter (1)；Measurement pipe self work range at coriolis force effusion meter
When can not meet the traffic requirement by medium, as desired by changing the quantity adjustment flow that isocon opens or closes,
Utilize measurement pipe detection to flow through the mass of medium flow measured in pipe, and determine amplification according to the isocon number opened,
Mass flow eventually through whole measuring equipment is the product by measuring pipe mass of medium flow and amplification.
Coriolis flowmeter range changing method the most according to claim 7, it is characterised in that measure the stream of pipe (3)
Logical area, crushing and the circulation area of isocon, crushing are identical, identical with the flow flow through under pressure；The number of isocon is
One or more, it is symmetrically or non-symmetrically in form, meets under same equal pressure, flow through measurement pipe (3) and the stream of isocon
Amount is consistent.
Coriolis flowmeter range changing method the most according to claim 8, it is characterised in that measure and set on pipe (3)
Being equipped with flow regulating valve (4), flow regulating valve (4) is any one in hand-operated valve, electrodynamic valve or pneumatic operated valve, wherein, electronic in application
In the case of valve or pneumatic operated valve, it is achieved the automatization of range changing operation.
Coriolis flowmeter range changing method the most according to claim 7, it is characterised in that described measurement pipe (3)
Form structure be any one in U-shaped, Ω shape, annular, Straight, spiral type or two-tube form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782790.2A CN106248158B (en) | 2016-08-31 | 2016-08-31 | A kind of range changing Coriolis flowmeter and range changing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782790.2A CN106248158B (en) | 2016-08-31 | 2016-08-31 | A kind of range changing Coriolis flowmeter and range changing method |
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| Publication Number | Publication Date |
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| CN106248158A true CN106248158A (en) | 2016-12-21 |
| CN106248158B CN106248158B (en) | 2019-02-22 |
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| CN201610782790.2A Active CN106248158B (en) | 2016-08-31 | 2016-08-31 | A kind of range changing Coriolis flowmeter and range changing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478283A (en) * | 2017-08-21 | 2017-12-15 | 徐文斌 | A kind of Multifunctional oil-pipe flow detector |
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| CN1789925A (en) * | 2005-12-15 | 2006-06-21 | 北京航空航天大学 | Bent tube type Coriolis mass flow transducer with function of suppressing inside coupling vibration |
| CN101979965A (en) * | 2010-09-17 | 2011-02-23 | 烟台中隆仪表有限公司 | Tube bundle Coriolis mass flow meter |
| CN103620351A (en) * | 2011-05-02 | 2014-03-05 | 恩德斯+豪斯流量技术股份有限公司 | Vibration-type measuring sensor and measuring system formed therewith |
| JP2014531042A (en) * | 2011-10-26 | 2014-11-20 | マイクロ モーション インコーポレイテッド | Vibrating flow meter juxtaposed sensor |
| CN206019741U (en) * | 2016-08-31 | 2017-03-15 | 烟台中隆仪表有限公司 | A kind of range changing Coriolis flowmeter |
-
2016
- 2016-08-31 CN CN201610782790.2A patent/CN106248158B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789925A (en) * | 2005-12-15 | 2006-06-21 | 北京航空航天大学 | Bent tube type Coriolis mass flow transducer with function of suppressing inside coupling vibration |
| CN101979965A (en) * | 2010-09-17 | 2011-02-23 | 烟台中隆仪表有限公司 | Tube bundle Coriolis mass flow meter |
| CN103620351A (en) * | 2011-05-02 | 2014-03-05 | 恩德斯+豪斯流量技术股份有限公司 | Vibration-type measuring sensor and measuring system formed therewith |
| JP2014531042A (en) * | 2011-10-26 | 2014-11-20 | マイクロ モーション インコーポレイテッド | Vibrating flow meter juxtaposed sensor |
| CN206019741U (en) * | 2016-08-31 | 2017-03-15 | 烟台中隆仪表有限公司 | A kind of range changing Coriolis flowmeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478283A (en) * | 2017-08-21 | 2017-12-15 | 徐文斌 | A kind of Multifunctional oil-pipe flow detector |
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| CN106248158B (en) | 2019-02-22 |
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Effective date of registration: 20190107 Address after: 116051 Northeast Mountain Village, Longtou Street, Lushunkou District, Dalian City, Liaoning Province Applicant after: Dalian Corio Instrument Co.,Ltd. Applicant after: YANTAI ZHONGLONG INSTRUMENT Co.,Ltd. Address before: 265500 Songxia Road 189, Fushan District, Yantai City, Shandong Province Applicant before: YANTAI ZHONGLONG INSTRUMENT Co.,Ltd. |
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