CN204883299U - LNG filling station remote control and measurement dispatch SCADA system - Google Patents
LNG filling station remote control and measurement dispatch SCADA system Download PDFInfo
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- CN204883299U CN204883299U CN201520455441.0U CN201520455441U CN204883299U CN 204883299 U CN204883299 U CN 204883299U CN 201520455441 U CN201520455441 U CN 201520455441U CN 204883299 U CN204883299 U CN 204883299U
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Abstract
The utility model discloses a LNG filling station remote control and measurement dispatch SCADA system contains dispatch Center, GPRS network, two at least RTU remote terminal units, and with the DTU module that RTU remote terminal unit one -to -one and quantity are the same, the RTU remote terminal unit loops through the DTU module, dispatch Center is connected to the GPRS network, the utility model discloses the pressure in every voltage regulating station is gathered in real time to a plurality of RTU remote terminal units of well adoption, the temperature, data such as flow, and then through the wireless data transmission terminal send the dispatch Center of gas management office dynamicly, dispatch Center is responsible for carrying out the analysis to of the receiving data, the storage, generate the form, processing such as curve demonstration, and report to the police when improper gas transmission state appearing, make the field failure can to in time, effectual processing, avoid producing bigger economic loss.
Description
Technical field
The present invention relates to remote measurement and control dispatching system, particularly relate to a kind of LNG filling station remote measurement and control SCADA dispatching system, belong to remote measurement and control scheduling field.
Background technology
Gas is the important component part of urban energy supply, is one of important infrastructure of urban construction.Development of Urban combustion gas, for economize energy, protection of the environment, facilitating people's lives, promotion commercial production, Development of Urban public utilities meaning very great, is one of important symbol realizing urban modernization.
The mode that China's major part urban underground gas ductwork generally adopts manual detection to manage, hunting personnel carry portable detection equipment and detect gas pipeline and annex thereof, leak once generation and reach finite concentration and just send alerting signal, then respective handling is carried out, this mode has certain dirigibility and sensitivity, but this traditional detection mode also exists many leaks over time and space, combustion gas in pipeline cannot be known timely and effectively whether leak, need to drop into a large amount of manpower and materials, result of use is not good enough.
Such as application number is a kind of mobile diesel engine remote monitoring dispatching system and the method thereof of " 201210087864.2 ", this system comprises several remote mobile generator, also comprises several base station, in real time control and monitor console, dispatching and monitoring office terminal and remote monitoring terminal; Wireless monitor controller is provided with respectively in described several remote mobile generator, this several remote mobile generator connects with corresponding base station communication respectively by respective wireless monitor controller, and this several base station communicates to connect respectively by internet and real-time control and monitor console, dispatching and monitoring office terminal and remote monitoring terminal; The ruuning situation of wireless monitor controller real-time monitoring remote mobile generator, and the Monitoring Data of remote mobile generator is transmitted in real time by internet, carry out dispatching for real-time control and monitor console, dispatching and monitoring office terminal and remote monitoring terminal and manage.The present invention can realize the management of real time energy consumption monitoring management, Fast-Maintenance and Real-Time Scheduling, greatly reduces workload, plays the effect of energy-saving and emission-reduction.
And for example application number is the method for a kind of check of the scheduling telesecurity remote control based on service of " 201410804779.2 ", support service-oriented architectural framework, adopt request/answer-mode that service bus provides, the interface interchange substation remote control check service that scheduling station is provided by service bus when carrying out remote control, triple remote information check is carried out to remote control information of checking, obtain check result, to realize the function that Remote is checked, improve the safety and reliability of remote control operation.Triple remote information checks the safety certification referring to service bus, and the remote control being carried out information check and measure and control device by remote control service of checking is checked; Scheduling station of the present invention directly need not call the application of substation, thus do not need to understand substation the concrete implementation detail of service is provided, dirigibility is high; When main website demand changes, the service that only need revise substation provides realizes, and provide the interface of service without the need to amendment, extendability is higher.
Summary of the invention
Technical matters to be solved by this invention provides a kind of LNG filling station remote measurement and control SCADA dispatching system for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of LNG filling station remote measurement and control SCADA dispatching system, comprise dispatching center, GPRS network, at least two RTU remote-terminal units, and with described RTU remote-terminal unit one_to_one corresponding and the identical DTU module of quantity, described RTU remote-terminal unit connects dispatching center by DTU module, GPRS network successively;
Described RTU remote-terminal unit comprises GPRS intelligent object, antenna, PLC, data acquisition module, data memory module and power module, described antenna connects PLC by GPRS intelligent object, described data acquisition module, data memory module and power module are connected on the corresponding port of PLC, and described power module provides required electric energy for GPRS intelligent object, antenna, PLC, data acquisition module and data memory module.
As the further preferred version of a kind of LNG of the present invention filling station remote measurement and control SCADA dispatching system, described dispatching center comprises master server, standby server, GPRSModem, and described master server is all connected GPRS network by GPRSModem with standby server.
As the further preferred version of a kind of LNG of the present invention filling station remote measurement and control SCADA dispatching system, described DTU module comprises microprocessor and connected wireless communication module, Flash module and GPRS module.
As the further preferred version of a kind of LNG of the present invention filling station remote measurement and control SCADA dispatching system, described power module adopts 220V alternating current.
As the further preferred version of a kind of LNG of the present invention filling station remote measurement and control SCADA dispatching system, described DTU module adopts 5V to 35V voltage to power.
As the further preferred version of a kind of LNG of the present invention filling station remote measurement and control SCADA dispatching system, described data memory module adopts DDR2
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, structure of the present invention simple, be easy to realize;
2, the present invention adopts the data such as pressure, temperature, flow in each voltage regulating station of multiple RTU remote-terminal unit Real-time Collection, and then the dispatching center at civil gas management place is dynamically sent to by wireless data transmission terminal, dispatching center is responsible for process such as received data analysis, storage, generation form, curve displays, and report to the police when the improper combustion gas transmission state of appearance, enable field failure to processing in time, effectively, avoid producing larger economic loss;
3, dispatching center of the present invention adopts a main server, ensures that free of discontinuities is carried out work and effectively improve work efficiency.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
Fig. 2 is the structure principle chart of RTU remote-terminal unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
As shown in Figure 1, a kind of LNG filling station remote measurement and control SCADA dispatching system, comprise dispatching center, GPRS network, at least two RTU remote-terminal units, and with described RTU remote-terminal unit one_to_one corresponding and the identical DTU module of quantity, described RTU remote-terminal unit connects dispatching center by DTU module, GPRS network successively;
As shown in Figure 2, described RTU remote-terminal unit comprises GPRS intelligent object, antenna, PLC, data acquisition module, data memory module and power module, described antenna connects PLC by GPRS intelligent object, described data acquisition module, data memory module and power module are connected on the corresponding port of PLC, and described power module provides required electric energy for GPRS intelligent object, antenna, PLC, data acquisition module and data memory module.
Gas ductwork remote measurement and control dispatching system is made up of remote-terminal unit, GPRS network, the several part in dispatching center.Gather the dispatching center data such as the pressure in each voltage regulating station, temperature, flow being dynamically sent to civil gas management place by GPRS network transmission terminal.Dispatching center is responsible for process such as received data analysis, storage, generation form, curve displays, and report to the police when the improper combustion gas transmission state of appearance, enable field failure to processing in time, effectively, avoid producing larger economic loss.
Described dispatching center comprises master server, standby server, GPRSModem, described master server is all connected GPRS network by GPRSModem with standby server, described DTU module comprises microprocessor and connected wireless communication module, Flash module and GPRS module, described power module adopts 220V alternating current, described DTU module adopts 5V to 35V voltage to power, and described data memory module adopts DDR2.
What remote-terminal unit RTU disperseed is distributed on the telemetry station of gas ductwork, primarily of the CPU of GPRS intelligent object, power supply, antenna, PLC and various I/O template and a few part composition such as backup battery, cabinet.Switching value, the analog signals of remote-terminal unit RTU and field apparatus are connected, and carry out data sampling and processing, storage transmit data by GPRS network and dispatching center, receive and perform the order of host computer.
PLC: basic function requires: control without the need to Surveillance center, can measure voluntarily, and preserve cumulative data system; Have real-time clock function (by Surveillance center's setting calibration), the data collected take time as order, and with 5 minutes/each density, can hold the storage historical data of a day at RTU, program, parameter, historical data had power-down protection;
Timing reports: from instrument to collect to data, report in timing (whole 5 minutes report once) mode;
Realize data-on-demand: can respond the inquiry request that each Surveillance center sends, the data of real time of day or historical juncture are issued Surveillance center, data can issue multiple Surveillance center;
Input signal sends warning message when damaging;
Work as system power-on reset, or when abnormal crash reset (watchdog reset) occurs for system cloud gray model, communication, system carries out reset processing according to reset types difference, ensure system worked well.
GPRSDTU module: GPRSDTU for user provide at a high speed, the virtual private data communication network of always online, transparent data transfer; Mainly for the application of the industries such as Automation of Electric Systems, industrial monitoring, traffic administration, meteorology, finance, environment monitoring, colliery, oil field, security, GPRS network platform is utilized to realize the transparent transmission of data message, consider the needs of each application department networking aspect simultaneously, network structure realizes virtual data private.
DTU: standard DB9RS232/422 interface, external, is applicable to the application such as various industrial monitoring, traffic administration, meteorology, POS, automatic vending machine, mobile banking;
Adopt the flush bonding processor of Low Power High Performance, can high speed processing agreement and mass data, the ICP/IP protocol stack of embedded standard, data terminal is always online, under supporting all-transparent mode, multicenter data are transmitted, support according to domain name and access center, IP address, multiple-working mode is selected, easy to use, flexibly, software and hardware house dog is designed, ensure system stability, adopt 5V ~ 35V voltage, power supply adaptability is wider, Anti-interference Design, be applicable to the application demand that electromagnetic environment is severe, system configuration and maintenance excuse easily, support serial ports software upgrading and remote maintenance.
Dispatching center can establish one main one for Liang Ge center (namely having one main one for two IP addresses), the GPRS module of RTU end only contacts with main center, dispatching center (primary ip address) at ordinary times, when primary ip address does not contact, the GPRS module of RTU end can automatically and secondary ip address contact, be switched to back-up system and carry out work, when primary ip address System recover is normal, when closing secondary ip address system, primary ip address system can be returned to and carry out work.
GPRS industry modem is a modulator-demodular unit based on the mobile 2.5GGPRS network platform, embedded SiemensMC39i technical grade communication module; Standard industry specifications design, has hardware timing and strengthens function, provide RS232 standard interface and speech interface, be directly connected with the upper computer equipment such as industrial computer, industrial computer, realizes GPRS and dials up on the telephone and speech communication function.
GPRS industry modem: standard DB9RS232 interface, external, is applicable to the application such as various industrial monitoring, traffic administration, meteorology, POS, automatic vending machine, mobile banking;
Configuration info, control command can be issued to RTU, the clock of RTU can be calibrated
The data that RTU sends enter database automatically, and database possesses certain safety practice
The warning message of process RTU
Data telemetry function: timing monitoring, manually patrol survey, take a sample test at random, divide into groups to call survey together;
Distant control function: open and close state, the remote signalling on off state of control RTU output switch parameter point;
Parameter state management function: each measurement data upper limit value and lower limit value of amendment is set, communications parameter;
Online configuration function: the parameters such as newly-increased RTU data collection point can be completed by configuration definition.
Database management function: storehouse is built to the data recorded, data are processed, enquiry of historical data, report printing;
There is data display function: the various data, remote signalling on off state, various system figures etc. of energy display measurement;
There is graphing capability, simulative display pipe network figure, water factory's process chart etc.;
Repair, cut off the water, data inputting and the statistics such as pipe network wash.
Data sharing function: provide a WEB website, this WEB website makes any workstation of company's bandwidth internal net only just can be logged in the historical data of any time section of real time data and the storage checking all control points by web browser.WEB website controls the historical data of the real-time monitoring data of these those control points of user-accessible and any time section of storage by authenticating user identification authorization.Dispatching center system manager can increase, delete addressable user, and user is carried out to the mandate of different rights.This WEB website should be able to link company's unified platform by hyperlink mode.Possess an open real-time data base, DLP large-size screen monitors controller software can read the real time data of each monitoring point.
Gas ductwork remote measurement and control dispatching system is made up of remote-terminal unit, GPRS network, the several part in dispatching center.Gather the dispatching center data such as the pressure in each voltage regulating station, temperature, flow being dynamically sent to civil gas management place by GPRS network transmission terminal.Dispatching center is responsible for process such as received data analysis, storage, generation form, curve displays, and report to the police when the improper combustion gas transmission state of appearance, enable field failure to processing in time, effectively, avoid producing larger economic loss.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, every technological thought proposed according to the present invention, and any change that technical scheme basis is done, all falls within scope;
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (6)
1. a LNG filling station remote measurement and control SCADA dispatching system, it is characterized in that: comprise dispatching center, GPRS network, at least two RTU remote-terminal units, and with described RTU remote-terminal unit one_to_one corresponding and the identical DTU module of quantity, described RTU remote-terminal unit connects dispatching center by DTU module, GPRS network successively;
Described RTU remote-terminal unit comprises GPRS intelligent object, antenna, PLC, data acquisition module, data memory module and power module, described antenna connects PLC by GPRS intelligent object, described data acquisition module, data memory module and power module are connected on the corresponding port of PLC, and described power module provides required electric energy for GPRS intelligent object, antenna, PLC, data acquisition module and data memory module.
2. a kind of LNG filling station remote measurement and control SCADA dispatching system according to claim 1, it is characterized in that: described dispatching center comprises master server, standby server, GPRSModem, described master server is all connected GPRS network by GPRSModem with standby server.
3. a kind of LNG filling station remote measurement and control SCADA dispatching system according to claim 1, is characterized in that: described DTU module comprises microprocessor and connected wireless communication module, Flash module and GPRS module.
4. a kind of LNG filling station remote measurement and control SCADA dispatching system according to claim 1, is characterized in that: described power module adopts 220V alternating current.
5. a kind of LNG filling station remote measurement and control SCADA dispatching system according to claim 1, is characterized in that: described DTU module adopts 5V to 35V voltage to power.
6. a kind of LNG filling station remote measurement and control SCADA dispatching system according to claim 1, is characterized in that: described data memory module adopts DDR2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520455441.0U CN204883299U (en) | 2015-06-29 | 2015-06-29 | LNG filling station remote control and measurement dispatch SCADA system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520455441.0U CN204883299U (en) | 2015-06-29 | 2015-06-29 | LNG filling station remote control and measurement dispatch SCADA system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739340A (en) * | 2016-03-22 | 2016-07-06 | 天津环洁汽车能源有限公司 | Wireless induction transmission feedback control system for liquid gas fuel supply whole-process monitoring |
| CN107765755A (en) * | 2017-11-24 | 2018-03-06 | 无锡七百二十度科技有限公司 | A kind of voltage regulating station data monitoring system based on MPPT |
| CN110319349A (en) * | 2019-05-16 | 2019-10-11 | 中石化石油工程技术服务有限公司 | The creation data long-distance management system of natural gas line SCADA system |
| CN110650198A (en) * | 2019-09-25 | 2020-01-03 | 北京中卓时代消防装备科技有限公司 | Fire engine after-sale service information system |
| CN110858069A (en) * | 2018-08-22 | 2020-03-03 | 乌拉特前旗中燃城市燃气发展有限公司 | Distributed medium-voltage station wireless remote transmission management system |
-
2015
- 2015-06-29 CN CN201520455441.0U patent/CN204883299U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739340A (en) * | 2016-03-22 | 2016-07-06 | 天津环洁汽车能源有限公司 | Wireless induction transmission feedback control system for liquid gas fuel supply whole-process monitoring |
| CN107765755A (en) * | 2017-11-24 | 2018-03-06 | 无锡七百二十度科技有限公司 | A kind of voltage regulating station data monitoring system based on MPPT |
| CN110858069A (en) * | 2018-08-22 | 2020-03-03 | 乌拉特前旗中燃城市燃气发展有限公司 | Distributed medium-voltage station wireless remote transmission management system |
| CN110319349A (en) * | 2019-05-16 | 2019-10-11 | 中石化石油工程技术服务有限公司 | The creation data long-distance management system of natural gas line SCADA system |
| CN110650198A (en) * | 2019-09-25 | 2020-01-03 | 北京中卓时代消防装备科技有限公司 | Fire engine after-sale service information system |
| CN110650198B (en) * | 2019-09-25 | 2022-09-02 | 北京中卓时代消防装备科技有限公司 | Fire engine after-sale service information system |
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