CN202900242U - ZigBee-network-based remote terminal unit (RTU) oil well remote measurement and control system - Google Patents
ZigBee-network-based remote terminal unit (RTU) oil well remote measurement and control system Download PDFInfo
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- CN202900242U CN202900242U CN2012205909731U CN201220590973U CN202900242U CN 202900242 U CN202900242 U CN 202900242U CN 2012205909731 U CN2012205909731 U CN 2012205909731U CN 201220590973 U CN201220590973 U CN 201220590973U CN 202900242 U CN202900242 U CN 202900242U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model provides a ZigBee-network-based remote terminal unit (RTU) oil well remote measurement and control system. The system comprises a well field RTU, an indicator diagram test unit, a motor measurement and control unit and a monitoring center, and is characterized in that the well field RTU is externally connected with a ZigBee coordinator, the indicator diagram test unit is externally connected with a ZigBee terminal, and the motor measurement and control unit is externally connected with a ZigBee router, so that a large wireless network is formed. The ZigBee-network-based RTU oil well remote measurement and control system has the advantages and characteristics of long communication distance, rich interfaces, high interference resistance, flexible networking and the like.
Description
Technical field
The utility model relates to a kind of well site RTU oil well remote measuring and controlling system based on ZigBee-network.
Background technology
Each oil field has numerous Oil/gas Wells, and is distributed in the wilderness, mountains and rivers, and it is on duty that the way to manage of Oil/gas Well mostly is artificial every day, regular check machine operation, record related data.This mode has increased the recruitment number, has strengthened guide-well worker labour intensity, the most important thing is to affect the monitoring to equipment.When oil pumper, when small fault appears in electric pump, often be difficult in time be found by artificial, thereby can not get effectively protecting and controlling.In order effectively to find the variation of oil well, stratum, oil reservoir, available oil well remote measuring and controlling system is by installation position displacement sensor and load transducer on oil pumper, detect the operating mode of oil pumper, real time on-line monitoring oil pumper running parameter is in time found fault and is reported to the police in time maintenance.Existing well site RTU is general to adopt 485 wired or 433MHz wireless transparent transmission modes to transmit, and will gather more than 100 data general every day, and actual valid data only remain 7～80 data at last, and loss of data is serious.Existing oil well remote measuring and controlling system all adopts the wireless transparent transmission module of not being with MANET, and a little less than the networking capability, extensibility is relatively poor.
Summary of the invention
The purpose of this utility model is the defective that overcomes prior art, a kind of RTU oil well remote measuring and controlling system based on ZigBee-network is provided, utilize ZigBee wireless module MANET, network data transmission is compared common wireless transmission and is had the advantages such as safety, reliable, low-power consumption, has solved original in RS485 is wired or the 433MHz wireless transparent transmission data communication bit error rate is high problem.
The technical solution of the utility model is: a kind of well site RTU oil well remote measuring and controlling system based on ZigBee-network, comprise well site RTU, indicator diagram measurement unit, motor measurement and control unit and Surveillance center, it is characterized in that the external ZigBee telegon of well site RTU, the external ZigBee terminal in indicator diagram measurement unit, the external ZigBee router of motor measurement and control unit form large-scale wireless network;
Well site RTU is showing that respectively the transfer of data that collects for the figure test cell is to supercharging point, and require each motor measurement and control unit by ZigBee wireless transmission poll scan instruction and relevant control instruction according to supercharging point, realize pumping-unit workdone graphic and electrical quantity according to gathering and management control; Oil pumper merit diagram data and electrical quantity certificate are saved to background data base, calculate for real-time query;
Well mouth of oil well indicator card jig frequency, stroke, load data collection, calculating are finished in the indicator diagram measurement unit, and the surface dynamometer card that generates is radioed to well site RTU by ZigBee under the scan control of well site RTU;
Motor measurement and control unit round-the-clock monitoring motor three phase electrical parameters and the start and stop of Long-distance Control motor;
Surveillance center is by Ethernet interface and RTU communication, the RTU in a plurality of well sites under station of automatic regular polling, with well site RTU automatic regular polling to every mouthful of well electrical quantity be transferred to background server according to, merit diagram data, but at every mouthful of well three phase electrical parameters of background server real time inspection according to, merit diagram data.
The utlity model has that communication distance is far away, advantage and the characteristics such as rich interface, antijamming capability are strong, networking flexibility, data communication is reliable and stable, has satisfied instantly the oil field to the requirement of data accuracy.
Description of drawings
Fig. 1 is RTU oil well remote measuring and controlling system networking diagram.
Fig. 2 is well site RTU control module block diagram.
The specific embodiment
As shown in Figure 1, Systems for Remote Controlling Oil Wells mainly is comprised of four parts such as well site RTU, indicator diagram measurement unit, motor measurement and control unit, Surveillance center, this product is installed on oil pumper and the well site, the parameters such as voltage and current that are used for long term monitoring pumping-unit workdone graphic, motor operation, the operation of long-range controlled beam-pumping unit and stopping.By with being connected of well site miscellaneous equipment, also can realize testing water injection well flow, water injection pressure and well site external transport pipeline pressure and other parameters, the function of allotment water injection well flow, thereby realize well site remote automation test, automation control.
RTU is as the organizer, it is by the external ZigBee telegon of RS232 interface (Coordinator), merit figure acquisition module is owing to use solar powered, must consider power consumption, so must external devices (EndDevice) and be configured to low-power consumption mode, electricity ginseng acquisition module is not considered power consumption, so adopt router (Router).
⑴ well site RTU function, performance
Well site RTU main control unit is the control core of Systems for Remote Controlling Oil Wells, the data collection station that integrates communication management, data acquisition, data storage, ZigBee wireless telecommunications, whole data collecting system is coordinated and managed, showing that respectively the transfer of data that collects for the figure test cell is to supercharging point, and require each motor measurement and control unit by ZigBee wireless transmission poll scan instruction and relevant control instruction according to supercharging point, realize rod-pumped well merit figure and electrical quantity according to gathering and the function of management control.Oil pumper merit diagram data and electrical quantity certificate are saved to background data base, calculate for real-time query.
As shown in Figure 2, this RTU adopts the ARM9 of Samsung microprocessor S3C2440A, has 400MHz high speed dominant frequency, software adopts embedded real-time operating system μ C/OS-II, 8 Channel 12-Bit high speed SPI type A/D converters of U.S. AD company performance brilliance are adopted in the core, the fastest 1MSPS that reaches of A/D conversion speed is applicable to require fast, high accuracy, real-time industrial measurement and control occasion fully.This RTU has 8 road 16bit, 4～20mA analog input simultaneously, the input of 8 tunnel light-coupled isolation type switching values, the output of No. 8 relays, one road RS232, one road RS485, SDRAM data RAM, NANDFLASH memory space, the NORFLASH program space, an Ethernet interface.
The user can arrange indicator card unit and motor measurement and control unit acquisition interval, built-in 2.4GZigBee wireless data transfer module, can be simultaneously to maximum 20 mouthfuls of well indicator diagram measurement unit and motor measurement and control unit poll scanning merit figure and electrical quantity according to etc. function; Realized merit figure and electrical quantity according to synchronous acquisition, make working conditions of oil extractor diagnosis and output measure more accurate, have short-circuit protection, externally have protective capability in the situation of short circuit sensor, so that system is reliability and durability; Equipment running status detects automatically, can detect merit figure test cell, motor measurement and control unit running status, as breaks down and can produce warning message, the quick inspection and maintenance of the equipment of being convenient to; Operating temperature :-40 ℃～85 ℃, the field work environment; Simple in structure, transportation, installation, use, easy to maintenance.
⑵ indicator diagram measurement Elementary Function, performance
Oil well ground (well head) indicator card jig frequency, stroke, load data collection, calculating are mainly finished in the indicator diagram measurement unit, and the surface dynamometer card that generates is radioed to well site RTU by ZigBee under the scan control of well site RTU.
The indicator diagram measurement unit is intelligent indicator diagram of pumping well test suite, obtain the current oil-extractor polish-rod stroke that moves up and down by the acceleration signal integration of built-in acceleration transducer output, can the current jig frequency of Measurement accuracy oil pumper, stroke, load, and indicator card can be provided in real time, for working condition, calculating oil well output under the analysis rod-pumped well bring foundation.
The indicator diagram measurement unit adopts the structure design of " load-displacement " integral structure form and horseshoe type load transducer, installs simply so that product is on-the-spot.
ARM series 32-bit microprocessor is adopted in the processing of indicator diagram measurement cell data, and transfer of data adopts the ZigBee wireless transmission method also to have the data automatic error correction function, has the advantages such as test is real-time, safety.
⑶ motor measurement and control unit function, performance
The motor measurement and control unit is the motor measurement and control instrument of remote intelligent, can round-the-clock monitoring motor three phase electrical parameters and the start and stop of Long-distance Control motor.
⑷ monitoring center software
Monitoring center software is mainly by Ethernet interface and RTU communication, the RTU in a plurality of well sites under station of automatic regular polling, with well site RTU automatic regular polling to every mouthful of well electrical quantity be transferred to background server according to, merit diagram data, but at every mouthful of well three phase electrical parameters of background server real time inspection according to, merit diagram data; Monitoring center software has by well site RTU and every mouthful of aboveground every mouthful of oil pumper remote activation of motor measurement and control unit realization, hold function, can realize well site unmanned, remote control by this cover system.
Before the use, configure relevant parameter with RTU host computer drive software according to the oil well actual conditions first and write RTU by Ethernet interface, host computer must be installed SQLSERVER database and initialization data storehouse, afterwards RTU standard configurations template .xls is disposed according to the oil well actual conditions, mainly be RTU the IP address, whether enable RTU, merit figure acquisition module and electricity ginseng acquisition module address, whether enable merit figure acquisition module and electricity ginseng acquisition module etc., configure and import database with the data importing instrument afterwards.RTU must power on first (ZigBee-network require telegon work first), merit figure acquisition module and electricity ginseng acquisition module power on afterwards, merit figure acquisition module uses necessary preheating 30 minutes for the first time, in order to obtain some cumulative datas, electricity ginseng acquisition module powers on and gets final product work, starts host computer RTU drive software and namely can obtain the indicator card data afterwards.
The data that the electricity ginseng acquisition module that well site RTU samples respectively data that the merit figure acquisition module that is positioned at the oil-extractor polish-rod place transmits and is positioned at the electric control box place by the ZigBee wireless network transmits, and it is recorded in the RTU internal RAM memory, the merit figure sampling time of every mouthful of well is about 15s, the 10 minutes once sampling in interval, the sampling time of electricity ginseng is 3s, interval 80s sampling (the electricity ginseng is positioned at after the merit figure sampling).The merit figure that is polled to and electrical quantity can be communicated by letter with host computer RTU drive software or third party's configuration software according to adopting the MODBUS Transmission Control Protocol and being transferred to computer by Ethernet interface.Each RTU can taking turn 20 mouthfuls of well merits figure and 20 mouthfuls of well electrical quantity certificates.
For the inadequate situation of communication distance, can increase some ZigBee routers (Router) in order to prolong communication distance, each router can 6 nodes of following extension, each node can followingly be hung 6 nodes again, the like, can form the catenets such as star-like, net type, Mesh, 65535 nodes can be arranged altogether.
By the on-the-spot actual proof of using, adopt the RTU oil well monitoring system of ZigBee-network, data communication is reliable and stable, has satisfied instantly the oil field to the requirement of data accuracy.
Claims (1)
1. well site RTU oil well remote measuring and controlling system based on ZigBee-network, comprise well site RTU, indicator diagram measurement unit, motor measurement and control unit and Surveillance center, it is characterized in that the external ZigBee telegon of well site RTU, the external ZigBee terminal in indicator diagram measurement unit, the external ZigBee router of motor measurement and control unit form large-scale wireless network;
Well site RTU is showing that respectively the transfer of data that collects for the figure test cell is to supercharging point, and require each motor measurement and control unit by ZigBee wireless transmission poll scan instruction and relevant control instruction according to supercharging point, realize pumping-unit workdone graphic and electrical quantity according to gathering and management control; Oil pumper merit diagram data and electrical quantity certificate are saved to background data base, calculate for real-time query;
Well mouth of oil well indicator card jig frequency, stroke, load data collection, calculating are finished in the indicator diagram measurement unit, and the surface dynamometer card that generates is radioed to well site RTU by ZigBee under the scan control of well site RTU;
Motor measurement and control unit round-the-clock monitoring motor three phase electrical parameters and the start and stop of Long-distance Control motor;
Surveillance center is by Ethernet interface and RTU communication, the RTU in a plurality of well sites under station of automatic regular polling, with well site RTU automatic regular polling to every mouthful of well electrical quantity be transferred to background server according to, merit diagram data, but at every mouthful of well three phase electrical parameters of background server real time inspection according to, merit diagram data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205909731U CN202900242U (en) | 2012-11-09 | 2012-11-09 | ZigBee-network-based remote terminal unit (RTU) oil well remote measurement and control system |
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| CN2012205909731U CN202900242U (en) | 2012-11-09 | 2012-11-09 | ZigBee-network-based remote terminal unit (RTU) oil well remote measurement and control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573252A (en) * | 2013-11-05 | 2014-02-12 | 上海理工大学 | Wireless indicator, wireless indicator system and indicator diagram measuring method thereof |
| CN103926899A (en) * | 2014-04-21 | 2014-07-16 | 长春市万易科技有限公司 | Multifunctional remote data monitoring system based on Internet of Things oil field |
| CN104989373A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Oil well working condition intelligent monitoring system |
| CN108107809A (en) * | 2017-12-26 | 2018-06-01 | 贵州航天凯山石油仪器有限公司 | A kind of automatic patrol device and method |
| CN111063178A (en) * | 2018-10-16 | 2020-04-24 | 中国石油天然气股份有限公司 | Data acquisition and processing system |
-
2012
- 2012-11-09 CN CN2012205909731U patent/CN202900242U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573252A (en) * | 2013-11-05 | 2014-02-12 | 上海理工大学 | Wireless indicator, wireless indicator system and indicator diagram measuring method thereof |
| CN103926899A (en) * | 2014-04-21 | 2014-07-16 | 长春市万易科技有限公司 | Multifunctional remote data monitoring system based on Internet of Things oil field |
| CN104989373A (en) * | 2015-06-26 | 2015-10-21 | 中国石油化工股份有限公司胜利油田分公司 | Oil well working condition intelligent monitoring system |
| CN108107809A (en) * | 2017-12-26 | 2018-06-01 | 贵州航天凯山石油仪器有限公司 | A kind of automatic patrol device and method |
| CN111063178A (en) * | 2018-10-16 | 2020-04-24 | 中国石油天然气股份有限公司 | Data acquisition and processing system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20151109 |
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| EXPY | Termination of patent right or utility model |