CN107941294A - A kind of measuring instrument accumulates data synchronous - Google Patents
A kind of measuring instrument accumulates data synchronous Download PDFInfo
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- CN107941294A CN107941294A CN201711165825.9A CN201711165825A CN107941294A CN 107941294 A CN107941294 A CN 107941294A CN 201711165825 A CN201711165825 A CN 201711165825A CN 107941294 A CN107941294 A CN 107941294A
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- China
- Prior art keywords
- hart
- intelligent flow
- flow meter
- analog quantity
- analog
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- 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
- G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
- G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
- G01F15/0755—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means involving digital counting
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention is a kind of measuring instrument accumulation data synchronous, including some intelligent flow meters, analog quantity fastener and DCS system, the intelligent flow meter, analog quantity fastener support HART functions, in the Fundamentals of Measurement of intelligent flow meter analog output signal, inputted by the HART signal being superimposed on simulation output circuit to analog quantity fastener, analog quantity fastener reads 4 20mA signals and parses HART signal at the same time, makes intelligent flow meter scene accumulated value synchronous acquisition to DCS system by HART communication.The invention avoids analog signal accuracy and transmission loss problem, realizes field instrument accumulated value and the function of system data synchronization collection, realizes that whole continuous data bores are consistent, reliable guarantee is provided for the safety in production and optimal control of device.
Description
Technical field
The present invention relates to a kind of measuring instrument to accumulate data synchronous.
Background technology
As intelligent chemical plant, measuring instrument is that full factory's materials procurement, device material balance, material consumption calculating, product go out
The information such as factory carry out data sampling and processing and the important equipment of control.Need in the accumulated value synchronization by live flowmeter meter
Pass to MES system, realize statistical calculation, tank hold calculate, the automation of report, and ensure accuracy, the promptness of data, can be with
Effectively reduce employee scene and copy several labor intensity, give full play to the superiority of automated control technology, real comprehensive realization
The intelligent management of control integration.
At present, flow instrument data collecting system of the prior art is by flow transmitter, simulation fastener, DCS system group
Into its principle is that flow transmitter transmission 4-20mA signals realize instantaneous delivery integrating to fastener, DCS system is simulated.In reality
In application process, accumulation function is realized by DCS system, due to precision of 4-20mA analog signals itself and transmission loss, is passed through
After secondary calculating, live meter registration can be caused with DCS pictures accumulated value there are certain error, while pass through live people
Work meter reading heavy workload, and there are human error, causes field instrument cumulant and DCS system to accumulate Value Data asynchronous, right
Tank, which holds calculating, flowmeter summary table dosage and flow score-sheet dosage, cannot be carried out at the same time real-time material balance.
The content of the invention
In view of the problems of the existing technology the technical problems to be solved by the invention are, there is provided one kind avoids simulation letter
Number precision and transmission loss, realize field instrument accumulated value and the measuring instrument cumulative number of the function of system data synchronization collection
According to synchronous.
The technical problems to be solved by the invention are realized by following technical solution, and the present invention is a kind of metering
Instrument accumulates data synchronous, its main feature is that：It is described including some intelligent flow meters, analog quantity fastener and DCS system
Intelligent flow meter, analog quantity fastener support HART functions, in the Fundamentals of Measurement of intelligent flow meter analog output signal, pass through mould
The HART signal for intending being superimposed on output loop is inputted to analog quantity fastener, and analog quantity fastener reads 4-20mA signals and parses at the same time
Go out HART signal, intelligent flow meter scene accumulated value synchronous acquisition is made to DCS system, its concrete operation step by HART communication
It is as follows：
（1）The HART dynamic variables of configuration intelligent flow meter first, pass through HART communication device every intelligent flow meter of configuration
HART variable mappings, make integrated flux map in HART variables；
（2）Intelligent flow meter analog output signal is inputted into analog quantity fastener, is gathered by analog quantity fastener in analog loopback
4-20mA signals and HART signal, parse HART dynamic variables；
（3）Analog quantity fastener will parse HART signal and communicate to DCS system, then the displaying scene flowmeter in DCS system
Accumulated value, realizes that data and intelligent flow meter continuous data are synchronous in DCS system.
In measuring instrument accumulation data synchronous of the present invention, its further preferred technical solution is：
The HART variable mappings of the intelligent flow meter include PV, SV, TV, 4V variable mappings.
In measuring instrument accumulation data synchronous of the present invention, its further preferred technical solution is：
DCS system is communicated with PI systems, and PI system acquisitions go out the cumulant of intelligent flow meter, then PI systems and MES system into
Row communication, finally realizes the function of intelligent flow meter, DCS and MES system synchronous data sampling.
The present invention gathers integrated flux data by the intelligent flow meter that scene has the function of HART, in intelligent flow meter mould
In the Fundamentals of Measurement for intending output signal, inputted by the HART signal being superimposed on simulation output circuit to analog quantity fastener, simulation
Amount fastener reads 4-20mA signals and parses HART signal at the same time, makes intelligent flow meter scene accumulated value same by HART communication
Step is gathered to DCS system.Realize that calculating, the automation of report are held in statistical calculation, tank, and ensure accuracy, the promptness of data,
Employee scene can effectively be reduced and copy several labor intensity.
Compared with prior art, the invention avoids analog signal accuracy and transmission loss problem, field instrument is realized
The function of accumulated value and system data synchronization collection, realizes that whole continuous data bores are consistent, is the safety in production of device and excellent
Change control and provide reliable guarantee.
Embodiment
Concrete technical scheme of the invention described further below, in order to which those skilled in the art is further understood that
The present invention, without forming the limitation to its right.
Embodiment 1, a kind of measuring instrument accumulate data synchronous, including some intelligent flow meters, analog quantity card
Part and DCS system, the intelligent flow meter, analog quantity fastener support HART functions, in intelligent flow meter analog output signal
In Fundamentals of Measurement, inputted by the HART signal being superimposed on simulation output circuit to analog quantity fastener, analog quantity fastener and read 4-
20mA signals simultaneously parse HART signal at the same time, make intelligent flow meter scene accumulated value synchronous acquisition to DCS by HART communication
System, its concrete operation step are as follows：
（1）The HART dynamic variables of configuration intelligent flow meter first, pass through HART communication device every intelligent flow meter of configuration
HART variable mappings, make integrated flux map in HART variables；
（2）Intelligent flow meter analog output signal is inputted into analog quantity fastener, is gathered by analog quantity fastener in analog loopback
4-20mA signals and HART signal, parse HART dynamic variables；
（3）Analog quantity fastener will parse HART signal and communicate to DCS system, then the displaying scene flowmeter in DCS system
Accumulated value, realizes that data and intelligent flow meter continuous data are synchronous in DCS system.
Embodiment 2, the measuring instrument according to embodiment 1 are accumulated in data synchronous：The intelligent flow
The HART variable mappings of meter include PV, SV, TV, 4V variable mappings, and cumulant is mapped to SV, TV, 4V wherein by configuration
One.
Embodiment 3, the measuring instrument according to embodiment 1 are accumulated in data synchronous：DCS system and PI systems
System is communicated, and PI system acquisitions go out the cumulant of intelligent flow meter, and then PI systems are communicated with MES system, final real
The function of existing intelligent flow meter, DCS and MES system synchronous data sampling.
Claims (3)
1. a kind of measuring instrument accumulates data synchronous, it is characterised in that：Including some intelligent flow meters, analog quantity card
Part and DCS system, the intelligent flow meter, analog quantity fastener support HART functions, in intelligent flow meter analog output signal
In Fundamentals of Measurement, inputted by the HART signal being superimposed on simulation output circuit to analog quantity fastener, analog quantity fastener and read 4-
20mA signals simultaneously parse HART signal at the same time, make intelligent flow meter scene accumulated value synchronous acquisition to DCS by HART communication
System, its concrete operation step are as follows：
（1）The HART dynamic variables of configuration intelligent flow meter first, pass through HART communication device every intelligent flow meter of configuration
HART variable mappings, make integrated flux map in HART variables；
（2）Intelligent flow meter analog output signal is inputted into analog quantity fastener, is gathered by analog quantity fastener in analog loopback
4-20mA signals and HART signal, parse HART dynamic variables；
（3）Analog quantity fastener will parse HART signal and communicate to DCS system, then the displaying scene flowmeter in DCS system
Accumulated value, realizes that data and intelligent flow meter continuous data are synchronous in DCS system.
2. measuring instrument according to claim 1 accumulates data synchronous, it is characterised in that：The intelligent flow
The HART variable mappings of meter include PV, SV, TV, 4V variable mappings.
3. measuring instrument according to claim 1 accumulates data synchronous, it is characterised in that：DCS system and PI
System is communicated, and PI system acquisitions go out the cumulant of intelligent flow meter, and then PI systems are communicated with MES system, finally
Realize the function of intelligent flow meter, DCS and MES system synchronous data sampling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165825.9A CN107941294A (en) | 2017-11-21 | 2017-11-21 | A kind of measuring instrument accumulates data synchronous |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165825.9A CN107941294A (en) | 2017-11-21 | 2017-11-21 | A kind of measuring instrument accumulates data synchronous |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941294A true CN107941294A (en) | 2018-04-20 |
Family
ID=61930476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711165825.9A Pending CN107941294A (en) | 2017-11-21 | 2017-11-21 | A kind of measuring instrument accumulates data synchronous |
Country Status (1)
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| CN (1) | CN107941294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666886A (en) * | 2020-12-22 | 2021-04-16 | 湖南军信环保股份有限公司 | Method for acquiring flow of reverse osmosis integrated unit and application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192270A (en) * | 1995-07-17 | 1998-09-02 | 罗斯蒙德公司 | Transmitter for providing a signal indicative of flow through a differential transducer using a simplified process |
| CN101650572A (en) * | 2009-09-07 | 2010-02-17 | 上海自动化仪表股份有限公司 | Intelligent electric valve positioner based on HART communication |
| CN102564530A (en) * | 2011-12-12 | 2012-07-11 | 西安福安创意咨询有限责任公司 | Intelligent two-wire photoelectric level transmitter with current ranging from 4mA to 20mA |
-
2017
- 2017-11-21 CN CN201711165825.9A patent/CN107941294A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192270A (en) * | 1995-07-17 | 1998-09-02 | 罗斯蒙德公司 | Transmitter for providing a signal indicative of flow through a differential transducer using a simplified process |
| CN101650572A (en) * | 2009-09-07 | 2010-02-17 | 上海自动化仪表股份有限公司 | Intelligent electric valve positioner based on HART communication |
| CN102564530A (en) * | 2011-12-12 | 2012-07-11 | 西安福安创意咨询有限责任公司 | Intelligent two-wire photoelectric level transmitter with current ranging from 4mA to 20mA |
Non-Patent Citations (4)
| Title |
|---|
| 叶亮 等: ""仪表在线监控系统在计量管理中的应用"", 《技术与计量》 * |
| 邹益仁 等: "《现场总线控制系统的设计和开发》", 31 January 2003, 国防工业出版社 * |
| 陈德基 等: "《WirelessHART：面向工业自动化的实时网状网络》", 31 January 2013, 机械工业出版社 * |
| 陈鸿 等: "《产业物流》", 31 January 2008, 清华大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666886A (en) * | 2020-12-22 | 2021-04-16 | 湖南军信环保股份有限公司 | Method for acquiring flow of reverse osmosis integrated unit and application |
| CN112666886B (en) * | 2020-12-22 | 2023-06-23 | 湖南军信环保股份有限公司 | Method for acquiring flow of reverse osmosis integrated unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 222000 Jiangsu, Lianyungang City, Xuwei District, Lianyungang District, two Road North Applicant after: Jiangsu sailboat Petrochemical Co. Ltd. Address before: 222000 room 205, building 7, Hong Kong Petrochemical, Hong Kong Road, Xuwei New District, Lianyungang, Jiangsu Applicant before: Jiangsu sailboat Petrochemical Co. Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |
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| RJ01 | Rejection of invention patent application after publication |