RU2723773C1 - Measuring and computing system for determination of qualitative and quantitative characteristics of oil and oil products - Google Patents

Abstract

FIELD: measuring and computing equipment.SUBSTANCE: measuring and computing system for determination of qualitative and quantitative characteristics of oil and oil products relates to production, transportation, processing and storage of oil and oil products. System is designed to obtain quantitative and qualitative characteristics of oil and oil products by continuous measurement and conversion of input signals into a digital code with subsequent processing of the obtained information, its accumulation and output in digital form according to various protocols. In order to achieve the declared technical result, the complex includes: a communication unit of the cellular communication, a GLONASS/GPS-antenna communication unit, a GLONASS/GPS antenna, redundancy unit, as a part of central computer module, time synchronization module, operational database module, trend (archives) analysis module, archive database module; a touch screen unit comprising a touch screen communication module, a touch screen, a data processing module (graphics), a signal input/output unit comprising a signal input/output unit communication module, a digital-to-analogue conversion module.EFFECT: complex enables to form, long-term storage, display and printing of historical information (including reporting documents), as well as increasing input/output channels of signals for connection of sensors and actuators and, accordingly, increasing the number of controlled pipelines without using additional systems, as well as guaranteed redundancy of communication channels for data exchange and 100 % "hot" hardware redundancy of the measuring and computing system.1 cl, 1 dwg

Description

The present invention relates to the field of production, transportation, processing and storage of oil and oil products, including in commercial systems for accounting of oil and oil products.

Metrological support of oil complexes, improving the accuracy of commercial metering of oil and oil products is one of the priority areas for the development of metering systems, since it gives returns in the form of an increase in oil sales and a reduction in its cost. The cost of marketable oil and petroleum products substantially depends on their quality, which leads to an ever-increasing need not only for measuring their quantitative, but also for monitoring their qualitative characteristics. In this regard, the creation of domestic mass-produced control means both in the production (production) of oil and oil products and in their transportation is of particular importance.

The measuring and computing complex for determining the qualitative and quantitative characteristics of oil and oil products is a hardware-software complex designed to obtain the quantitative and qualitative characteristics of oil and oil products by continuously measuring and converting the input signals from various measuring transducers into a digital code with subsequent processing of the received information in accordance with the regulatory documentation, its accumulation and output to the top-level devices in digital form by various protocols.

As primary measuring transducers (flow rate, pressure, temperature, density, moisture content, and so on), sensors with an output number-pulse, frequency, current signal or digital output signal can be used.

Devices for this purpose are basic in the construction of information processing systems (SDI) in systems for measuring the quantity and quality of oil and oil products (LACT).

As an analogue, the invention according to US patent US No. 5504693 "Flow Control System" (Flow Control System) [1] can be considered. According to the present invention, a personal computer operates in conjunction with a personal computer operating in a stream to provide real-time stream data on a personal computer screen. The flow in the pipeline can be regulated and directed from a personal computer using flow control valves and valves driven by an engine through a programmable logic controller and a flow computer.

Structurally, this system is a device containing a set of sensors located as a whole on the wall of the measuring pipeline at the flow measuring point, a set of automated shut-off and control valves, a flow computer (calculator), a personal computer of a workstation of the upper level complete with specialized software.

A disadvantage of the known device are:

- the need for the mandatory use of a personal computer as a top-level workstation for part of the computing operations, data storage, viewing, analysis and printing of archives for changing the parameters of reporting documents and other retrospective information, which complicates the system, reduces its reliability and increases cost;

- the lack of automated control of valves and fittings metering stations;

- the inability to synchronize the time of the built-in clock on the signals of the satellites of the Global Navigation Satellite Systems (GNSS);

- the inability to transfer data from the computer to the upper level workstation using a GSM signal (GSM - Global System for Mobile Communication);

- lack of hardware redundancy support for devices;

- lack of support for redundant communication channels for exchanging data with external systems and devices.

The closest in technical essence to the claimed technical solution is the "Unified software and hardware complex for collecting and processing information from instrumentation and instrumentation (I&C)", utility model according to RF patent No.RU 116226 [2].

The complex contains: a power supply unit, a battery, interface conversion modules, discrete signal modules and analog signal modules, with the help of which the conversion, digitization and subsequent transmission of the conversion results via the interface to the information processing unit based on the panel computer (PC) takes place, in which converting signals from instrumentation and automation systems to a unified format into physical quantities, displaying processed information in real time using a PC monitor, setting alarm limits for monitored parameters, archiving and storing received parameters on an SSD, transferring reliable data to adjacent systems, generating commercial reports locally and remotely with certified metrologically significant software.

The disadvantages of this device are:

- significant overall dimensions;

- the inability to print reporting documents directly from the device without using an additional top-level workstation;

- the inability to control the device using the touch screen, for this an additional button control panel is used, which reduces the reliability of the device and increases its cost;

- the lack of the ability to increase the number of input / output channels for connecting sensors and actuators, the device is designed to connect 1-2 measuring lines (pipelines), if you need to connect more measuring lines, additional devices are required, which reduces the reliability of the device and increases its cost ;

- the lack of automated control of valves and fittings metering stations;

- the inability to synchronize the time of the built-in clock on the signals of GNSS satellites;

- the inability to transfer data from the computer to the upper level AWS using a GSM channel;

- lack of hardware redundancy support for devices;

- lack of support for redundant communication channels for exchanging data with external systems and devices.

The objective of the invention is to create an effective and reliable device that provides quantitative and qualitative characteristics of oil and oil products by continuously measuring and converting input signals from various measuring transducers into a digital code with subsequent processing of the received information in accordance with regulatory documents, its accumulation and output to external devices and systems in digital form using various protocols.

The technical result that can be obtained by implementing the present invention consists in the possibility of generating, long-term storage, display and printing of reporting documents required in accordance with current regulatory documents directly in the device of the measuring and computing complex, the possibility of synchronizing the time of the device’s internal clock by signals GNSS GLONASS or GPS, the possibility of increasing the number of input / output channels for connecting sensors and actuators and, accordingly, increasing controlled pipelines, as well as guaranteed backup of communication channels for data exchange and hardware backup of the measuring and computing complex.

The technical result is achieved due to the fact that the measuring and computing complex additionally includes: a GSM cellular communication unit connected to a central computing module and an Ethernet communication unit, providing communication with external devices via a GSM standard cellular network and when working together with an Ethernet unit “Hot” reservation of communication channels with external devices, GLONASS / GPS antenna communication unit, GLONASS / GPS antenna, touch screen unit, redundancy unit, a time synchronization module connected to the GLONASS communication unit connected to the central computing module / GPS antennas, operational database module, trending module (archives) associated with the archive database module and the internal communication module, which is connected to the backup unit, as well as through the touch screen communication module with a touch screen unit containing a data processing module and a touch screen, and providing a human-machine interface for visualizing operational and retrospective information (including reporting documents) and controlling actuators, the digital-to-analog conversion module connected to the signal processing module, connected to the signal processing module, is connected with actuators.

The application materials presented a block diagram of a measuring and computing complex for determining the qualitative and quantitative characteristics of oil and oil products.

The measuring and computing complex for determining the qualitative and quantitative characteristics of oil and oil products contains:

1 - Ethernet communication unit;

2 - communication block serial bus (RS232 / 422/485);

3 - communication unit cellular communication GSM;

4 - communication unit GLONASS / GPS antenna;

5 - GLONASS / GPS antenna;

6 is a computing unit containing:

7 - central computing module;

8 - external communication module;

9 - internal communication module;

10 - time synchronization module;

11 - operational database module;

12 - module for maintaining trends (archives);

13 - module archive database;

14 is a block of a touch screen containing:

15 - communication module of the touch screen;

16 - touch screen;

17 - data processing module (graphics);

18 - block input-output signals containing:

19 is a communication module signal input-output unit;

20 - signal processing module;

21 - module analog-to-digital conversion (ADC);

22 - digital-to-analog conversion module (DAC);

23 - backup unit;

24 - power supply.

The inventive measuring and computing complex can be integrated into various information management systems by supporting digital interfaces Ethernet, RS232 / 422/485, GSM cellular communication, as well as open communication protocols Modbus RTU / TCP, IEC 60870-5-101 / 104 and OPC DA / HDA.

The Ethernet 1 communication unit provides the complex interaction with external systems and devices (for example, a top-level workstation or a printer) over a wired LAN.

The serial bus communication unit (RS232 / 422/485) 2 allows the complex to interact with external systems and devices via a wired serial bus such as RS232, RS422 or RS485 using open data exchange protocols (IEC 60870-5-101, Modbus RTU).

The GSM 3 cellular communication unit provides the complex’s interaction with external systems and devices via one of two wireless GSM cellular networks (supporting two SIM cards) using open data exchange protocols (OPC, IEC 60870-5-104, Modbus TCP) .

The GLONASS / GPS antenna 4 communication unit provides accurate time signals from the GLONASS / GPS antenna 5 and their subsequent transmission to the time synchronization module, which is part of the computing unit 6.

The Central computing module 7 of the computing unit 6 performs:

- processing of incoming signals, performing on their basis all the required calculations and storing the received and calculated values in the operational database 11, as well as using the trending module 12, creating archives by assigning a time stamp to the operational data and placing them in the archive database 13;

- receiving from the block of the touch screen 14 and the automatic generation by the central computing module 7 (based on the embedded program) of control signals for actuators with their subsequent translation into input-output blocks 18;

- the formation and transfer of operational data for subsequent visualization on the screen and the transfer of operational and archive data through communication units 1, 2, 3 to external systems and devices.

The touch screen unit 14 performs:

- processing in the data processing module 17 and subsequent visualization of operational and archive data received from the computing unit 6 on the touch screen 16 and sending reporting documents generated by the data processing module 17 through the Ethernet communication unit 1 to an external device (printer);

- the formation of the touch screen 16 control signals, their processing in the data processing module 17 and subsequent transmission to the central processing module 7 of the computing unit 6.

The backup unit 23, if necessary, ensures the operation of two complexes in the mode of 100% “hot” backup by implementing the exchange of statuses (“primary” / “backup”) between the complexes, as well as periodically copying operational and archive databases from the complex with the status of “primary” ”To the complex with the status of“ reserve ”for the possibility of switching to the reserve complex without data loss.

The power supply 24 carries out the formation of the necessary complex voltage supply.

The inventive measuring and computing complex operates as follows: the central computing module 7 of the computing unit 6, through the internal communication module 9 and the associated communication module 19 of the signal input-output unit 18, receives the initial processing in the signal processing module 20 (scaling, conversion to the required format, and so on) the signals from the connected sensors from the analog-to-digital conversion module 21 and, based on the embedded program and control commands from the touch screen unit 14, transfers control signals to the signal processing module 20 for further transmission through the digital-to-analog conversion module to actuators.

The signals received from the sensors and the generated control signals are stored by the central computing module in the operational database 11, the trending module 12 generates archives by assigning a time stamp to the data stored in the operational database and placing them in the archive database 13.

The data processing module (graphics) 17 of the touch screen unit 14 through the communication module of the touch screen 15 and the internal communication module 9 of the computing unit 6 interrogates the central computing module 7 for receiving operational data and the trending module 12 for receiving archived data (trends) with their subsequent visualization on the touch screen 16, and then transmits control commands from the touch screen 16 to the Central computing unit 7.

The data processing module (graphics) 17, based on the received archive data, generates and displays printed documents on the touch screen 16, as well as transfers them through the touch screen communication module 15, the Ethernet communication unit 1 and the network switch to a printer for printing on paper. The time synchronization module 10 receives, through the communication unit 4, from GLONASS / GPS antenna 5, accurate time signals, based on which it corrects the internal clock of the complex. The top-level AWS, either through the network switch and the Ethernet communication unit 1, or through the communication unit of the serial bus 2, or through the GSM communication unit 3 via an external communication module 8, interrogate the central computing module 7 for receiving operational data, and the module for maintaining trends (archives) ) 12 to obtain archive data (trends) for visualization on the screen, then control commands are transmitted to the central computing module 7. Based on the received archive data of the upper level workstation, they also generate and display printed documents on the screen, as well as transfer them through the switch network to a printer for printing on paper. To ensure the operation of the complex according to the scheme of 100% "hot" redundancy, the central computing module 7 of computing unit 6 with the status of "backup" through the backup unit 23 constantly monitors the status of the complex with the status of "primary", and the complex with the status of "primary" - periodic copying operational and archive databases to the complex with the status of "backup". The complex allows, by installing additional input-output blocks into it, to increase the number of input-output channels for connecting sensors and actuators and, as a result, the number of measuring lines (pipelines).

The inventive measuring and computing complex for determining the qualitative and quantitative characteristics of oil and oil products allows continuous measurement and conversion of input signals from the measuring transducers into a digital code with subsequent processing of the received information and its output to external devices in digital form by supporting digital communication interfaces: Ethernet, RS232 / 422/485, GSM cellular communication, as well as open data exchange protocols: Modbus RTU / TCP, IEC 60870-5-101 / 104, OPC DA / HDA.

Based on open data exchange protocols, it is possible to build both small metering systems containing 1-2 complexes, and large distributed data processing systems as part of systems for measuring the quantity and quality indicators of oil and oil products, as well as integrating them into existing information management systems.

Statistical studies in the field of engineering for this purpose, based on an analysis of a number of imported and domestic products, allow us to conclude that for a number of technical characteristics, such as: power supply, power consumption, service life, time interval before verification testing, interface language, the claimed the complex is competitive and has such characteristics as:

- high accuracy of measurements and calculations;

- wide communication opportunities;

- the presence of a human-machine interface based on a touch screen that provides an integrated information processing system, which significantly reduces the total cost of the accounting and control system.

Sources of information used:

1. US patent 5504693 IPC G01F 15/06. Flow Control System / Elliot, Kenneth D .., Frenzel Jr., G. Charles (US); patent holder Omni Flow Company, Inc. - 08 / 090,749; declared 07/13/1993; issued April 2, 1996.

2. Patent 116226 Russian Federation IPC G01F 1/00. Unified software and hardware complex for collecting and processing information from instrumentation and instrumentation (KIPiA) / Krupin V.A., Smirnov Yu.V., Frenkel L.B., Zamakhin S.V., Mazur A.P., Rychkov I.V., Karyuk V.M., Filippov G.E., Selchenkov V.L., Zinin D.V., Fedotov V.V., Mishakov BC (RU); applicants and patent holders of Gazprom Transgaz Moscow LLC (RU), BINAR Association CJSC (RU) - 2011154740/28; declared 12/30/2011; publ. 05/20/2012, Bull. No. 14. - 2 s: ill.

Claims (2)

1. A measuring and computing complex for determining the qualitative and quantitative characteristics of oil and oil products, comprising a computing unit, an Ethernet communication unit, a serial bus communication unit, signal input-output units, a power supply unit, the computing unit containing a central computing unit connected to an external and internal communication modules, of which the external communication module is connected to the Ethernet communication module, providing the ability to work with external devices (switch, printer, workstation AWP), and the serial bus communication unit, which can be connected to external via one of the serial interfaces devices (AWS of the upper level), and the internal communication module through the communication module of the signal input-output unit is connected to the signal processing module connected to the analog-to-digital conversion module, characterized in that it is additionally included in it: a GSM cellular communication unit connected to a central computing module and an Ethernet communication unit, which provides communication with external devices via a GSM standard cellular network and, when working with the Ethernet unit, “hot” reservation of communication channels with external devices , GLONASS / GPS antenna communication unit, GLONASS / GPS antenna, touch screen unit, backup unit, a time synchronization module connected to the GLONASS / GPS antenna communication unit, an operational database module connected to the central computing module is included in the computing unit , a module for maintaining trends (archives) associated with the archive database module and the internal communication module, which is connected to the backup unit, designed to provide hardware 100% “hot” backup of the complex, as well as through the touch screen communication module with touch screen a lock containing a data processing module (graphics) and a touch screen, providing the formation, long-term storage of reporting documents, providing a human-machine interface for visualizing operational and retrospective information (including reporting documents) and controlling executive mechanisms, as part of an input-output unit a digital-to-analog conversion module connected to the signal processing module connected to actuators has been introduced. 2. The complex according to claim 1, characterized in that by installing additional input-output blocks into it, it is possible to increase the number of signal input-output channels for connecting sensors and actuators and, as a result, the number of monitored pipelines.

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