CN206019798U - A kind of flowmeter in-situ examines and determine data Collection ＆ Processing System - Google Patents
A kind of flowmeter in-situ examines and determine data Collection ＆ Processing System Download PDFInfo
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- CN206019798U CN206019798U CN201621041635.7U CN201621041635U CN206019798U CN 206019798 U CN206019798 U CN 206019798U CN 201621041635 U CN201621041635 U CN 201621041635U CN 206019798 U CN206019798 U CN 206019798U
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- flowmeter
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- processing system
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Abstract
本实用新型提供了一种流量计现场检定数据采集与处理系统，包括控制器、数据采集单元、标准金属量器、高精度质量流量计、磁致伸缩液位传感器、温度传感器、密度传感器、压力传感器、溢流报警器和打印机；本实用新型对现有标准金属量器进行改进，计量颈内安装高精度磁致伸缩液位传感器，通过多个热电偶在线检测介质温度，并且增加密度传感器直接检测介质密度，增加高精度质量流量计，可测量检测过程中挥发油气的质量，消除了传统人工目测所带来的人为误差，使整个操作从原来的人工操作转变成全自动数据采集和计算，不仅减轻了劳动强度、缩短了测量时间，还简化了测量过程，优化了计算方法，减少了系统误差，提高了检测精度和测量效率。
The utility model provides a flowmeter on-site verification data collection and processing system, including a controller, a data collection unit, a standard metal gauge, a high-precision mass flowmeter, a magnetostrictive liquid level sensor, a temperature sensor, a density sensor, a pressure Sensors, overflow alarms and printers; the utility model improves the existing standard metal gauges, and installs a high-precision magnetostrictive liquid level sensor in the measurement neck, detects the medium temperature online through multiple thermocouples, and increases the density sensor directly Detect medium density, add high-precision mass flowmeter, can measure the quality of volatile oil and gas in the detection process, eliminate the human error caused by traditional manual visual inspection, and make the whole operation change from the original manual operation to fully automatic data collection and calculation, not only The labor intensity is reduced, the measurement time is shortened, the measurement process is simplified, the calculation method is optimized, the system error is reduced, and the detection accuracy and measurement efficiency are improved.
Description
Technical field
This utility model is related to a kind of flowmeter in-situ calibrating data Collection ＆ Processing System, belongs to flowmeter in-situ calibrating
Technical field.
Background technology
The conventional method of liquid capacity formula flowmeter in-situ calibrating is volumetric method (container is Open architecture)；Mass flow
The conventional method of meter on-site proving is that volumetric method is supporting with densimeter, with volumetric method metering by volume at the standard of effusion meter
Value, and Media density value is measured to obtain using standard density, then according to formula calculates the quality that standard is measured, this is an inter-species
Connect measuring method.
In the assay device used by existing flowmeter in-situ calibration method, measurement liquid in container volume V (range estimation first
Read liquid level), then mercurial thermometer is put into thermometer incubation chamber wait thermal balance, liquid in container is measured again after spending half a minute
Temperature ts, now because ambient temperature is inconsistent with temperature of liquid, temperature of liquid tsPossibly slowly varying, thus cause
The change of liquid volume V, causes liquid in container actual volume VsMeasurement inaccurate (be first put into incubation chamber to measure the temperature of a liquid
ts, liquid volume V can be caused to change).After liquid sampling, using glass-stem thermometer measuring samples temperature, glass density measurement amount
Sample rate, the temperature changes of measurement successively different generations, can also cause the slight change of fluid density, cause the sample of sample
Density measure is inaccurate.
In existing measuring method, density be by a series of measurement with twice inquiry (《Prtro-chemistry engineering GB/T1885-
1998 is special》) obtain, measuring process is loaded down with trivial details, and the uncertainty source of introducing is more.As oil product has stronger volatilization
Property, having that oil gas volatilization is excessive during oil product injects and flows out standard capacity measure, the proportion of goods damageds are in different rings
Up to 0.05%～0.10% (referring to GB11085-89 under border《Bulk liquids losses of petroleum products》), affect the standard of measurement result
Exactness, existing measuring method do not account for the impact of this factor.
Content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of flowmeter in-situ calibrating data and adopt
Collection and processing system, using standard capacity measure as the standard of volume measurement, enter to the standard capacity measure for configuring originally
Row transformation, installs high accuracy magnetostrictive liquid level sensor, in the metering neck of standard capacity measure at measuring neck
The liquid level function of slide gauge (replace), so as to draw certain volumetric values, by the measurement of line temperature sensor with
Revise, material is thus formed the corresponding relation of tested effusion meter and volume in standard capacity measure, introduce online Density Detection, meter
Calculate the relative error of tested effusion meter.
Realize technical scheme that this utility model purpose adopted for a kind of flowmeter in-situ examines and determine data acquisition and procession
System, at least includes standard capacity measure, also includes that controller, data acquisition unit, magnetostrictive liquid level sensor, temperature are passed
Sensor, density sensor and pressure transducer, magnetostrictive liquid level sensor are installed at the metering neck of standard capacity measure, close
Degree sensor is installed on standard capacity measure, and pressure transducer is installed on standard capacity measure inner geometry center, mangneto
Flexible liquid level sensor, temperature sensor, density sensor and pressure transducer connect controller by data acquisition unit.
Also include that overflow alarm, overflow alarm are installed on standard capacity measure, overflow alarm is electric with controller
Property connection.
The data acquisition unit includes data acquisition module, serial port board and distributed I/O modules, data acquisition module and
Distributed I/O modules are interacted with controller information by serial port board, magnetostrictive liquid level sensor, temperature sensor, density
Sensor, pressure transducer and overflow alarm are connected to data acquisition module.
Also include that the high accuracy mass flowmenter that accuracy class is not more than 0.1, high accuracy mass flowmenter are installed on standard
The exit of metal tank, high accuracy mass flowmenter connect controller by data acquisition unit.
The temperature sensor includes 0.1 DEG C of more than 2 scale division values, the electric thermo-couple temperature of -10 DEG C of measurement range～50 DEG C
Meter, each hot thermocouple dipole thermometer are respectively arranged on standard capacity measure and accredited effusion meter.
The controller is computer, is connected with printer on computer.
The uncertainty of the standard capacity measure is not more than 0.025% (k=2).
Resolution≤the 0.1mm of the magnetostrictive liquid level sensor, nonlinearity≤0.05%FS, density sensor
Accuracy class is not more than 0.05.
As shown from the above technical solution, the flowmeter in-situ calibrating data Collection ＆ Processing System that this utility model is provided,
Calibrating object can be mass flowmenter or volumetric flowmeter, using standard capacity measure as the standard for measuring, to original
The standard capacity measure of configuration is transformed, and installs high accuracy magnetostrictive liquid level sensing in the metering neck of standard capacity measure
Device, for the liquid level (replacing the function of slide gauge) at measuring neck, so as to draw certain volumetric values, in standard gold
Pressure transducer is installed in category measuring device inner geometry center, and measurable standard capacity measure internal pressure, by multiple thermocouples
Temperature of liquid in on-line checking effusion meter in temperature of liquid and standard capacity measure, is modified to volume detected value, increases
Density sensor, the fluid density in direct measurement standard capacity measure are reduced《Prtro-chemistry engineering GB/T1885-1998》System
Error；The data for collecting are calculated by controller, calculate automatically error, repeatability, draw verification result, examine and determine data
It is directly stored in controller.
As oil product has stronger volatility, during oil product injects and flows out standard capacity measure
Have that oil gas volatilization is excessive, the proportion of goods damageds are under various circumstances up to 0.05%～0.10% (referring to GB11085-89《Liquid in bulk
Body losses of petroleum products》), in view of this, this utility model installs high accuracy mass flow in the exit of standard capacity measure
Meter, compared in existing volumetric method calibration method, only with standard capacity measure, this utility model increases high accuracy mass flow
Meter, the quality of vaporizing oil-gas in measurable detection process, and then calibration accuracy is greatly improved, calibration accuracy is higher, accuracy class
Up to 0.2 grade and less, it is adaptable to the industrial effusion meter of the large scale of 0～150m3/s of conventional flow velocity, measurement medium can be water,
Gasoline, diesel oil；Controller is directly connected to printer, can field print calibrating protocol, calibration certificate, calibrating label.
For improving systematic survey accuracy, overflow prevention alarm is set, overflow alarm is installed on standard capacity measure
And it is electrically connected with controller, if loading liquid in standard capacity measure reaches measurement range critical line, anti-overflow is reported to the police
Device will send signal, and controller cuts out the oil pump for liquid containing, it is ensured that dielectric fluid in loading process Plays metal tank
Position controls, in the range of metering neck, to measure volume all the time.
In above-mentioned device, the uncertainty of standard capacity measure is not more than 0.025% (k=2), high accuracy mass flowmenter
Accuracy class be not more than 0.1, the resolution≤0.1mm of magnetostrictive liquid level sensor, nonlinearity≤0.05%FS, density
The accuracy class of sensor is not more than 0.05, and temperature sensor is 0.1 DEG C of scale division value, the thermoelectricity of -10 DEG C of measurement range～50 DEG C
Even thermometer, the expanded uncertainty of measurement criteria (verification system) typically should be higher by 3 to 10 than the accuracy of tested measurement instrument
Times, not higher than 0.2 grade of the accuracy class of the calibrating object (tested effusion meter) of the verification system, from as above measurement standard group
Into measurement criteria expanded uncertainty within 0.05%, it is ensured that the effectiveness of measurement result.
This utility model is improved to existing standard metal tank, installs high accuracy magnetostrictive liquid level and pass in metering neck
Sensor, by multiple thermocouple on-line checking medium temperatures, and increases density sensor direct detection Media density, eliminates
Traditional Man estimates brought personal error, make whole operation from original artificial operational transition help automatic data acquisition and
Calculate, not only alleviate labor intensity, shorten time of measuring, also simplify measurement process, optimize computational methods, reduce
Systematic error, improves accuracy of detection and measurement efficiency.
Description of the drawings
Fig. 1 examines and determine the structured flowchart of data Collection ＆ Processing System for the flowmeter in-situ that this utility model is provided.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is illustrated in detail, content of the present utility model not office
It is limited to following examples.
Referring to Fig. 1, the flowmeter in-situ calibrating data Collection ＆ Processing System that this utility model is provided, including controller,
Data acquisition unit, standard capacity measure, high accuracy mass flowmenter, magnetostrictive liquid level sensor, temperature sensor, density
Sensor (electronic densitometer), pressure transducer, overflow alarm and printer, wherein：
Standard capacity measure be secondary standard metal tank, its uncertainty≤0.025% (k=2)；
Matter high accuracy mass flowmenter, is installed on the exit of standard capacity measure, waves for measurement standard metal tank
The oil gas quality that sends out, accuracy class are not more than 0.1；
Magnetostrictive liquid level sensor, is installed at the metering neck of standard capacity measure, for measurement standard metal tank
Volume, resolution≤0.1mm, nonlinearity≤0.05%FS, measurement range be 500mm～3000mm；
Temperature sensor, including 0.1 DEG C of 3 scale division values, the thermocouple thermometer of -10 DEG C of measurement range～50 DEG C, difference
For measuring temperature of liquid and ambient temperature in temperature of liquid in effusion meter, standard capacity measure；
Density sensor, is installed on standard capacity measure, for the fluid density in measurement standard metal tank, precision
Grade is not more than 0.05；
Pressure transducer, is installed on standard capacity measure inner geometry center, inside measurement standard metal tank
Pressure；
Overflow alarm, is installed on standard capacity measure, and overflow alarm is electrically connected with controller, works as standard metal
Load liquid in measuring device and reach safe altitude, overflow prevention alarm will send signal, and controller cuts out the oil for liquid containing
(referring to Fig. 1, electromagnetic valve is installed between accredited effusion meter and standard capacity measure the electromagnetic valve of pump and oil circuit control break-make
On pipeline)；
Data acquisition unit, for gathering magnetostrictive liquid level sensor, temperature sensor, density sensor, pressure biography
Sensor, the signal of overflow alarm and high accuracy mass flowmenter are simultaneously transmitted to controller, including data acquisition module, serial port board
With distributed I/O modules, data acquisition module and distributed I/O modules interacted with controller information by serial port board, mangneto
Flexible liquid level sensor, temperature sensor, density sensor, pressure transducer, overflow alarm and high accuracy mass flowmenter
Data acquisition module is connected to, oil pump and electromagnetic valve are connected to distributed I/O modules；
Controller, from built-in control program and the computer of printed driver, receiving data collecting unit is gathered
Data and the detection liquid volume in standard capacity measure is calculated and is revised, calculate standard capacity measure actual liquid
Body volume VtOr actual liquid quality QsAnd relative error E of accredited effusion meter；
Printer, is electrically connected with computer, can field print calibrating protocol, calibration certificate, calibrating label.
The flowmeter in-situ calibrating data Collection ＆ Processing System that this utility model is provided can meet conventional flow velocity 0～
150m3The measurement of the volumetric flowmeter and mass flowmenter of/s, measurement medium are water, gasoline, diesel oil, in one-shot measurement process
Middle temperature of liquid change is usually no more than 2 DEG C.
Claims (8)
1. a kind of flowmeter in-situ examines and determine data Collection ＆ Processing System, at least includes standard capacity measure, it is characterised in that：Also
Including controller, data acquisition unit, magnetostrictive liquid level sensor, temperature sensor, density sensor and pressure transducer,
Magnetostrictive liquid level sensor is installed at the metering neck of standard capacity measure, and density sensor is installed on standard capacity measure
On, pressure transducer is installed on standard capacity measure inner geometry center, magnetostrictive liquid level sensor, temperature sensor,
Density sensor and pressure transducer connect controller by data acquisition unit.
2. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：Also include overflowing
Stream alarm, overflow alarm are installed on standard capacity measure, and overflow alarm is electrically connected with controller.
3. flowmeter in-situ according to claim 2 examines and determine data Collection ＆ Processing System, it is characterised in that：The data
Collecting unit includes data acquisition module, serial port board and distributed I/O modules, and data acquisition module and distributed I/O modules are equal
Interacted with controller information by serial port board, magnetostrictive liquid level sensor, temperature sensor, density sensor, pressure sensing
Device and overflow alarm are connected to data acquisition module.
4. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：Also include essence
Degree grade is not more than 0.1 high accuracy mass flowmenter, and high accuracy mass flowmenter is installed on the exit of standard capacity measure,
High accuracy mass flowmenter connects controller by data acquisition unit.
5. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：The temperature
Sensor includes 0.1 DEG C of more than 2 scale division values, the thermocouple thermometer of -10 DEG C of measurement range～50 DEG C, each hot thermocouple galvanic couple
Thermometer is respectively arranged on standard capacity measure and accredited effusion meter.
6. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：The control
Device is computer, is connected with printer on computer.
7. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：The standard
The uncertainty of metal tank is not more than 0.025% in Coverage factor k=2.
8. flowmeter in-situ according to claim 1 examines and determine data Collection ＆ Processing System, it is characterised in that：The mangneto
Resolution≤the 0.1mm of flexible liquid level sensor, nonlinearity≤0.05%FS, the accuracy class of density sensor are not more than
0.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041635.7U CN206019798U (en) | 2016-09-07 | 2016-09-07 | A kind of flowmeter in-situ examines and determine data Collection ＆ Processing System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041635.7U CN206019798U (en) | 2016-09-07 | 2016-09-07 | A kind of flowmeter in-situ examines and determine data Collection ＆ Processing System |
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| Publication Number | Publication Date |
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| CN206019798U true CN206019798U (en) | 2017-03-15 |
Family
ID=58258806
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041635.7U Expired - Fee Related CN206019798U (en) | 2016-09-07 | 2016-09-07 | A kind of flowmeter in-situ examines and determine data Collection ＆ Processing System |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879379A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN113110240A (en) * | 2021-05-13 | 2021-07-13 | 青岛澳科坦格智控科技有限责任公司 | Intelligent management system for oil transportation |
-
2016
- 2016-09-07 CN CN201621041635.7U patent/CN206019798U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111879379A (en) * | 2020-07-24 | 2020-11-03 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN111879379B (en) * | 2020-07-24 | 2022-04-08 | 广州能源检测研究院 | Standard metal measuring device calibration result compensation method influenced by medium and volatilization |
| CN113110240A (en) * | 2021-05-13 | 2021-07-13 | 青岛澳科坦格智控科技有限责任公司 | Intelligent management system for oil transportation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 |