CN209673198U - A kind of online method of standard table flowmeter calibrating installation - Google Patents
A kind of online method of standard table flowmeter calibrating installation Download PDFInfo
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- CN209673198U CN209673198U CN201920394662.XU CN201920394662U CN209673198U CN 209673198 U CN209673198 U CN 209673198U CN 201920394662 U CN201920394662 U CN 201920394662U CN 209673198 U CN209673198 U CN 209673198U
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Abstract
The utility model relates to a kind of online method of standard table flowmeter calibrating installations, including data acquisition unit and airflow measurement unit, the airflow measurement unit includes the proving flowmeter (9) of valve seat (1) and setting on valve seat (1), the proving flowmeter (9) is connect by standard pipeline (17) with oil supply line, it is connect by bypass line (18) with tested flowmeter, the standard pipeline (17) connect with data acquisition unit, by the flow value for adjusting fuel supply flow rate standard of comparison flowmeter (9) and tested flowmeter, determine the metering performance of tested flowmeter.Compared with prior art, the utility model meets vertification regulation demand, it can be achieved that in-line calibration or calibration, practicability are excellent.
Description
Technical field
The utility model relates to flowmeters to proofread technical field, and in particular to a kind of online method of standard table flowmeter calibration cartridge
It sets.
Background technique
In the sixties, the national metering international trade dispute in order to solve crude oil and product oil, by national measurement, institute takes the lead,
Shanghai excellent enterprise participates in together in the United Nations, the high-precision measuring utensil " volume pipe " of independent brand is had developed, using volume
Pipe examination criteria flowmeter, then using proving flowmeter and work meter flow-meter compare method detection, metering, by national standard
" JJG 667-1997 volumetric fluid flow meter " standard scale can pass mode using 1/2 amount and execute (amount biography mode: volume pipe expansion
It opens up 0.033% → standard scale of uncertainty, 0.01% → airplane pipeline oiling of expanded uncertainty vehicle or worksheet extension is not true
Surely it spends 0.02%)；But since 2010, " JJG667-2010 volumetric fluid flow meter " vertification regulation of promulgation
7.1.1.2 the expanded uncertainty of flow standard device generally should be old no more than the 1/3 of flowmeter limits of error absolute value
Transmission of quantity value mode be just unable to satisfy work requirements, such as use the direct calibration operation table of volume pipe or aircraft refuelling pipeline vehicle,
Since volume pipe project investment funds are bigger, and there is certain requirement to detection place, cost is too big.
Patent CN205373921U discloses a kind of method of standard table calorimeter automatic calibrator comprising constant temperature water tank,
Constant temperature water tank is connected to by water pump with the water inlet end for testing pipeline, is provided with non-return on the pipeline of water pump and test pipeline connection
Platinum resistance temperature before valve, the first electromagnetic flowmeter, the second electromagnetic flowmeter and the first electrical ball valve, the second electrical ball valve, pipeline
Degree meter is provided with platinum resistance thermometer after pipeline in the water outlet of test pipeline, platinum before platinum resistance thermometer and pipeline after pipeline
Resistance thermometer is connect by conducting wire with industrial personal computer, and thermal resistance calibrating instrument in water supply thermostat and is returned with setting respectively by conducting wire
Standard water supply platinum resistance thermometer in water termostat slot is connected with standard return water platinum resistance thermometer.The patent can only use heat
Table is measured fluid flow, and application range is limited.
Utility model content
The purpose of this utility model is exactly to provide a kind of online method of standard table flow meter calibrating to solve the above-mentioned problems
Device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of online method of standard table flowmeter calibrating installation, including data acquisition unit and airflow measurement unit, the stream
Phasor measurement unit includes valve seat and the proving flowmeter that is arranged on valve seat, and the proving flowmeter includes magnanimity proving flowmeter
With microstandard flowmeter, the magnanimity proving flowmeter and microstandard flowmeter pass through respectively Trunk Line and bypass line with
Oil supply mechanism is connected with tested flowmeter, and two proving flowmeters and two pipelines are connect with data acquisition unit, is marked by comparing
The parameter of quasi- flowmeter and tested flowmeter determines the metering performance of tested flowmeter.
Further, the Trunk Line is the U-shaped pipe of side, and U-shaped bottom is placed solid up and down by the first mounting bracket
Due on valve seat, by the second mounting bracket, placement is fixed on valve seat up and down at U-shaped top.First mounting bracket and second
Mounting bracket is symmetrical set on valve seat, and the two top center recess is at U-shaped, and hollow out passes through standard pipeline among bottom.
Further, the bypass line is set to the U-shaped top of Trunk Line, at the top of straight pipeline connection U-shaped two,
It separately is connected with a circulating line in the middle part of the straight pipeline, microstandard flowmeter is set on the circulating line.Further, institute
It states straight pipeline to adjust by the flow direction that built-in one-way cock carries out fluid, the microstandard flowmeter passes through flange and annular
Pipeline connects, and sets on the circulating line in flange two sides and is used to adjust flow there are two valve.
Further, the proving flowmeter selects velocity flowmeter, volumetric flowmeter, critical flow flowmeter, matter
One of flowmeter or heat energy meter or a variety of are measured, is 1 grade standard table.
Further, the entrance of the Trunk Line and bypass line passes through the first joint valve and connect with tested flowmeter,
The outlet of the Trunk Line and bypass line passes through the second joint valve and connect with oil supply line, and joint valve is the fast quick access of aviation
Head.
Further, the magnanimity proving flowmeter is equipped with signalling generator, is pulse collection, and the Trunk Line is equipped with temperature
Spend transmitter, pressure transmitter, pressure gauge, three-way connection, thermometer, flow control valve, valve handle and start and stop valve location
Sensor, flow control valve integrate the function of signal, adjusting, cutting, and valve handle is for opening or closing flow adjusting
Valve can also be used scale and adjust flow control valve, the temperature transmitter, pressure transmitter, signalling generator and start and stop valve location
Sensor is connect with data acquisition unit, when start and stop position sensor of valve teletransmission sending signal, starts to examine and determine or calibrate work
Make.
Further, the temperature is calculated as the mercurial thermometer of 0.1 scale division value, is cased with temperature sleeves (temperature hand part work and part study outside
Several points), flow control valve is the military ball valve that can carry out scale adjusting, and the range of pressure gauge is 1.6MPa.
Further, the data acquisition unit includes control cabinet, shielding line and the explosion-proof computer being linked in sequence, control cabinet
On valve seat, using shielding line remote collection, operation and application, anti-explosion electric intracerebral dress inspection software is placed in 10 meters of device
Outside, automatic calibration function is realized, time saving and energy saving, anti-explosion electric intracerebral fills inspection software, contains timer in software.The flow
The fluid that the fluid source of measuring unit is used in line is power source.
A kind of calibration method of online method of standard table flowmeter calibrating installation, the calibration method are by oil supply mechanism and to be detected
Flowmeter is connected with device, and according to the range ability of tested flowmeter, Trunk Line or bypass line are opened in selection, and select timing
Quantitative calibrating or manually-operated gate calibrating or manual software calibrating, adjust the fuel supply flow rate of oil supply line, standard of comparison flowmeter and
The flow value of tested flowmeter determines the metering performance of tested flowmeter.
The concrete operating principle of the utility model method of standard table standard set-up are as follows:
(it can be velocity flowmeter, volumetric flowmeter, critical flow flowmeter, mass flowmenter with proving flowmeter
With heat energy meter etc.) it is standard, so that fluid is continued through proving flowmeter and tested flowmeter in same time interval, compares
The output stream magnitude of the two, so that it is determined that the metering performance of tested flowmeter.
The prominent mentality of designing of the utility model is unique, and the high-end manufacture of all steel, structure is simple, and manufacturing cost is low, easily slaps
Automatic calibration function is realized in control, and completely by manually acquiring data before overcoming, the mode of operation of manual operation is time saving and energy saving.
The synthesis accuracy 0.067% of device, the amount that symbol national regulation amount passes standard 1/3 pass standard, at home uniquely
A kind of small-sized skid body in-line calibration device (abbreviation Flow Standard Device With Standard Meter Method) of research and development sizing there is domestic outside
One pushed away applies precedent, meets JJG 667-2010 and JJG the 643-2003 regulation that country newly promulgates and innovates a kind of high
Hold standard test means.
Compared with prior art, it has the advantages that
1, the present apparatus can realize the calibration of the tested flowmeter of different ranges, if wide range, then select to open Trunk Line
It is calibrated, if small-range, then opens bypass line and calibrated, there is considerable flexibility.
2, meet " JJG667-2010 volumetric fluid flow meter " and " JJG 643-2003 method of standard table device " vertification regulation
Demand realizes that in-line calibration or calibration, practicability are excellent.
3, mentality of designing is unique, and the design of skid integrated combination, compact-sized, precision is high, mobile flexible, stability
By force, the high-end manufacture of all steel, it is safe and practical, it is efficiently novel.
4, automatic calibration function, completely by manually acquiring data, the mode of operation of manual operation, time saving province before overcoming
Power.
5. proving flowmeter can there are many selections, including mass flowmenter, volume flowmeter and calorimeter etc., therefore can be used
In the measurement of gas, liquid etc., it should in extensive range.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the main view of the utility model；
Fig. 3 is the left view of the utility model；
Fig. 4 is the top view of the utility model.
In figure: 1- valve seat；2- temperature transmitter；The second mounting bracket of 3-；4- signalling generator；The first joint valve of 5-；6- pressure
Transmitter；7- pressure gauge；8- three-way connection；9- magnanimity proving flowmeter；10- thermometer；11- control cabinet；12- shielding line；13-
Explosion-proof computer；14- flow control valve；15- start and stop position sensor of valve；16- valve handle；17- bypass line；18- supervisor
Line；The second joint valve of 19-；The first mounting bracket of 20-；21- microstandard flowmeter；22- valve；23- flange.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
Referring to Fig.1-4, a kind of online method of standard table flowmeter calibrating installation, including data acquisition unit and flow measurement list
Member, airflow measurement unit include valve seat 1 and the proving flowmeter that is arranged on valve seat 1, and proving flowmeter includes magnanimity normal stream
Meter 9 and microstandard flowmeter 21, the magnanimity proving flowmeter 9 and microstandard flowmeter 21 pass through Trunk Line 18 respectively
It is connect with bypass line 17 with oil supply mechanism (including fuel feeding vehicle, pipeline pump or fuel feeding platform) and tested flowmeter, two normal streams
Meter and two pipelines are connect with data acquisition unit, by adjusting fuel supply flow rate standard of comparison flowmeter and tested flowmeter
Flow value determines the metering performance of tested flowmeter.Trunk Line 18 is the U-shaped pipe of side, and U-shaped bottom passes through the first installation branch
The placement of about 20 frame is fixed on valve seat 1, and U-shaped top is fixed on valve seat 1 by the placement of the second about 3 mounting bracket, and first
Mounting bracket 20 and the second mounting bracket 3 are symmetrical set on valve seat 1, and the two top center recess is at U-shaped, among bottom
Hollow out passes through standard pipeline 18.Bypass line 17 is set to the U-shaped top of Trunk Line, at the top of straight pipeline connection U-shaped two,
It separately is connected with a circulating line in the middle part of the straight pipeline, microstandard flowmeter 21 is set on the circulating line.Bypass line 17
On straight pipeline by built-in one-way cock carry out fluid flow direction adjust, microstandard flowmeter 21 pass through flange 23 and ring
Shape pipeline connects, and sets on circulating line in 23 two sides of flange and is used to adjust flow there are two valve 22.Proving flowmeter selects speed
One of degree formula flowmeter, volumetric flowmeter, critical flow flowmeter, mass flowmenter or heat energy meter are a variety of.Trunk Line
18 and the entrance of bypass line 17 pass through the first joint valve 5 and connect with tested flowmeter, the outlet of Trunk Line and bypass line
It is connect by the second joint valve 19 with oil supply line.Magnanimity proving flowmeter is equipped with signalling generator 4, and Trunk Line 18 is equipped with temperature
It spends transmitter 2, pressure transmitter 6, pressure gauge 7, three-way connection 8, thermometer 10, flow control valve 14, valve handle 16 and opens
Stop position sensor of valve 15, temperature transmitter 2, pressure transmitter 6, signalling generator 4 and start and stop position sensor of valve 15 with
Data acquisition unit connection.Thermometer 10 is mercurial thermometer, is cased with temperature sleeves outside, and flow control valve 14 is that can carry out scale
The military ball valve adjusted.Data acquisition unit includes the control cabinet 11 being linked in sequence, shielding line 12) and explosion-proof computer 13), control
Cabinet 11) be set to valve seat 1) on, explosion-proof computer 13) built-in inspection software be placed in 10 meters of device it is outer.Valve seat is tapered cylinder shape.
A kind of calibration method of online method of standard table flowmeter calibrating installation, the calibration method are by oil supply mechanism and to be detected
Flowmeter is connected with device, and according to the range ability of tested flowmeter, Trunk Line or bypass line are opened in selection, and select timing
Quantitative calibrating or manually-operated gate calibrating or manual software calibrating, adjust the fuel supply flow rate of oil supply line, standard of comparison flowmeter and
The flow value of tested flowmeter determines the metering performance of tested flowmeter.
" calibrating mode " specifically:
A. it examines and determine at regular time and quantity
After selection is examined and determine at regular time and quantity, it can be arranged in " selecting at regular time and quantity " aside.Timing mode refer to according to
Set time is examined and determine, the input time length (unit: second) in " calibrating time span ".Quantitative manner refers to medium
Volume or quality terminate judgment value as calibrating, and reaching to examine and determine after the target value of setting in verification process terminates.If tested stream
Meter is that mass flowmenter quantitative unit is " kilogram ", is otherwise " liter ".It should be noted that if proving flowmeter is quality
Flowmeter and tested flowmeter is not mass flowmenter, then quantitative values are volumes, need the mass transitions of standard scale to be volume,
At this moment need correctly to fill in the density value on the right.
B. manually-operated gate is examined and determine
This mode is to start and stop letter as calibrating according to the switching signal of the manually-operated gate on normal flow device
It number is examined and determine.After click " starting to examine and determine ", which enters, examines and determine, valve is opened according to the prompt in " operation indicating " frame and is then started
Calibrating, when operator closes valve, then this time calibrating terminates.Software automatically records and calculates this time calibrating data.
C. manual software is examined and determine
This mode is after operator clicks " starting to examine and determine ", and software starts verification process until operator clicks
" terminating calibrating " then completes this time to examine and determine.The above description of the embodiments is intended to facilitate those skilled in the art
It can understand and use utility model.Person skilled in the art obviously easily can make various repair to these embodiments
Change, and applies the general principles described here to other examples without having to go through creative labor.Therefore, this is practical
Novel to be not limited to the above embodiments, those skilled in the art's announcement according to the present utility model does not depart from the utility model scope
The improvement and modification made should be all within the protection scope of the utility model.
Verifying process flow is specially
1. it is as follows that checklist pulse exports verifying process flow:
New calibrating --- > fill in calibrating information --- > enter calibrating picture --- > setting calibrating point, calibrating number, calibrating side
The information such as formula, density --- > start to examine and determine --- pulse of > recording and displaying standard scale, checklist electric current, flow, calibrating time etc.
Information --- > calibrating terminates --- > software automatically saves calibrating record, while calibrating data are shown in calibrating table.
2. checklist is as follows without output verifying process flow:
New calibrating --- > fill in calibrating information --- > enter calibrating picture --- > setting calibrating point, calibrating number, calibrating side
The information such as formula, density --- > start to examine and determine --- > triggering commencing signal, while backstage of taking pictures saves --- > recording and displaying standard
The information such as table and checklist pulse, flow --- > calibrating terminates, while backstage of taking pictures saves --- > display input window, according to photograph
The bulking value that piece is shown, filling start volume and terminate volume --- and > software automatically saves calibrating record, while in calibrating table
Data are examined and determine in middle display.
Claims (10)
1. a kind of online method of standard table flowmeter calibrating installation, which is characterized in that including data acquisition unit and flow measurement list
Member, the airflow measurement unit include the proving flowmeter of valve seat (1) and setting on valve seat (1), the proving flowmeter packet
Include magnanimity proving flowmeter (9) and microstandard flowmeter (21), the magnanimity proving flowmeter (9) and microstandard flowmeter
(21) connect respectively by Trunk Line (18) and bypass line (17) with oil supply mechanism and tested flowmeter, two proving flowmeters with
Two pipelines are connect with data acquisition unit, by comparing the parameter of proving flowmeter and tested flowmeter, determine tested flow
The metering performance of meter.
2. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the Trunk Line
It (18) is the U-shaped pipe of side, U-shaped bottom is placed up and down by the first mounting bracket (20) to be fixed on valve seat (1), U-shaped top
Portion is placed up and down by the second mounting bracket (3) to be fixed on valve seat (1).
3. a kind of online method of standard table flowmeter calibrating installation according to claim 2, which is characterized in that the bypass pipe
Line (17) is set to the U-shaped top of Trunk Line, described straight including a straight pipeline and the circulating line connecting with the straight pipeline
Type pipeline upper and lower ends are connected on Trunk Line (18), and microstandard flowmeter (21) are arranged on the circulating line.
4. a kind of online method of standard table flowmeter calibrating installation according to claim 3, which is characterized in that the bypass pipe
Straight pipeline on line (17) is adjusted by the valve-embedded flow direction for carrying out fluid, and the microstandard flowmeter (21) passes through method
Blue (23) are connect with circulating line, are set on the circulating line in flange (23) two sides and are used to adjust stream there are two valve (22)
Amount.
5. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the normal stream
Meter selects one of velocity flowmeter, volumetric flowmeter, critical flow flowmeter, mass flowmenter or heat energy meter or more
Kind.
6. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the Trunk Line
(18) pass through the first joint valve (5) with the entrance of bypass line (17) and connect with tested flowmeter, the Trunk Line and bypass
The outlet of pipeline passes through the second joint valve (19) and connect with oil supply line.
7. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the magnanimity mark
Quasi- flowmeter is equipped with signalling generator (4), and the Trunk Line (18) is equipped with temperature transmitter (2), pressure transmitter (6), pressure
Table (7), three-way connection (8), thermometer (10), flow control valve (14), valve handle (16) and start and stop position sensor of valve
(15), the temperature transmitter (2), pressure transmitter (6), signalling generator (4) and start and stop position sensor of valve (15) with number
It is connected according to acquisition unit.
8. a kind of online method of standard table flowmeter calibrating installation according to claim 7, which is characterized in that the thermometer
(10) it is mercurial thermometer, is cased with temperature sleeves outside, flow control valve (14) is the military ball valve that can carry out scale adjusting.
9. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the data are adopted
Collection unit includes control cabinet (11), shielding line (12) and the explosion-proof computer (13) being linked in sequence, and control cabinet (11) is set to valve seat (1)
On, explosion-proof computer (13) is placed in 10 meters of outer, built-in inspection softwares of explosion-proof computer (13), contains timer in software.
10. a kind of online method of standard table flowmeter calibrating installation according to claim 1, which is characterized in that the flow
The fluid that the fluid source of measuring unit is used in line is power source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920394662.XU CN209673198U (en) | 2019-03-27 | 2019-03-27 | A kind of online method of standard table flowmeter calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920394662.XU CN209673198U (en) | 2019-03-27 | 2019-03-27 | A kind of online method of standard table flowmeter calibrating installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188637A (en) * | 2021-04-30 | 2021-07-30 | 南京荣晟自动化设备有限公司 | Movable on-line calibrating device for coriolis mass flowmeter by standard meter method |
-
2019
- 2019-03-27 CN CN201920394662.XU patent/CN209673198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188637A (en) * | 2021-04-30 | 2021-07-30 | 南京荣晟自动化设备有限公司 | Movable on-line calibrating device for coriolis mass flowmeter by standard meter method |
| CN113188637B (en) * | 2021-04-30 | 2022-02-15 | 南京荣晟自动化设备有限公司 | Movable on-line calibrating device for coriolis mass flowmeter by standard meter method |
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