CN203535446U - Oil pumping unit intelligent control complete equipment - Google Patents
Oil pumping unit intelligent control complete equipment Download PDFInfo
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- CN203535446U CN203535446U CN201320613847.8U CN201320613847U CN203535446U CN 203535446 U CN203535446 U CN 203535446U CN 201320613847 U CN201320613847 U CN 201320613847U CN 203535446 U CN203535446 U CN 203535446U
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- 238000005086 pumping Methods 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims description 15
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- 238000004891 communication Methods 0.000 claims description 11
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- 230000007246 mechanism Effects 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 238000003745 diagnosis Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 239000003129 oil well Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010205 computational analysis Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
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- 238000011084 recovery Methods 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The utility model discloses oil pumping unit intelligent control complete equipment composed of a beam-pumping unit (1), an oil pumping unit motor (2), a movable balance block (3), a balance block driving motor (4), an intelligent control cabinet (6), a sensor group (7), a remote platform (8) and a remote transmission network (9). The beam-pumping unit (1), the oil pumping unit motor (2), the movable balance block (3) and the balance block driving motor (4) form the main body structure, the movable balance block (3) and the balance block driving motor (4) are together arranged at the tail end of an rear arm of the beam-pumping unit (1), the sensor group (7) is arranged on a supporting rod connected at the front end of the rear arm of the beam-pumping unit (1), the intelligent control cabinet (6) is connected with the sensor group (7), and the intelligent control cabinet (6) is connected with the remote platform (8) through the remote transmission network (9) According to the utility model, power frequency operation control, frequency conversion operation control, system efficiency analysis, fault diagnosis and other operations can be carried out on the oil pumping unit motor (2). The oil pumping unit intelligent control complete equipment has predictable and higher economy value and social value.
Description
Technical field
The utility model relates to manufacture, control design and the applied technical field of oil exploration equipment, and a kind of oil pumper Based Intelligent Control complete equipment are provided especially.
Background technology
In prior art, for producing energy, for the oil field of relatively low or high water-cut stage exploitation, conventionally by mechanical system, exploit.Wherein the most common artificial lifting way adopts walking-beam pumping unit exactly.The power of oil pumper is from motor.The running speed of motor has determined the jig frequency of oil pumper, and spurt and pump have determined oil recovery ability.Beam-pumping unit jig frequency should match with the oil-producing capacity of oil well.In fact, this jig frequency adjustment lags behind the variation of the underground oil-producing capacity of oil well greatly.China oil field is widely distributed, and most of oil fields are low permeability oil field, and especially the middle and later periods of exploitation, reservoir pressure reduces, and oilwell produced fluid amount declines, and water percentage is high, need to adopt the technique of long stroke, low jig frequency to improve pump efficiency.
And pump load is pulsed load, this just make oil pumper in a stroke some time in light running.During pumping-unit motor operation, average load is conventionally very low, generally at 20%-30%; The operation of underload rate causes power factor low, and efficiency is low, and waste of energy is large, causes " low load with strong power " situation.
Existing Oil Field oil well is conventionally arranged relatively and is disperseed, and has especially the problems such as manual inspection labour intensity is large, data acquisition is inaccurate not in time, the investment of centralized measure ground is large, equipment control maintenance and repair difficulty.Are the various devices such as oil pumper, motor, bar, post, pump, switch board worked? whether normally work? can be promoted to optimum duty? there is potential safety hazard? this a series of problem is all to concern the key issue of field produces energy-saving and production-increase.
People expect to obtain the better oil pumper Based Intelligent Control of a kind of technique effect complete equipment.
Utility model content
The purpose of this utility model is to provide the better oil pumper Based Intelligent Control of a kind of technique effect complete equipment, is robotization oil production equipment, solves the problems described in background technology completely.
A kind of oil pumper Based Intelligent Control of the utility model complete equipment, is characterized in that: described oil pumper Based Intelligent Control complete equipment specifically consist of following structure: walking-beam pumping unit 1, pumping-unit motor 2, Moveable balance block 3, counterbalance weight drive motor 4, Intelligent control cabinet 6, sensor group 7, remote platform 8, remote transmission network 9; Wherein: walking-beam pumping unit 1, pumping-unit motor 2, Moveable balance block 3, counterbalance weight drive motor 4, the common formation agent structure of limit switch 5; Moveable balance block 3 and the as a whole mechanism of counterbalance weight drive motor 4, be arranged on the postbrachium tail end of walking-beam pumping unit 1 jointly; Pumping-unit motor 2 is connected with walking-beam pumping unit 1 by driving-chain or driving belt;
Being constructed as follows of Moveable balance block 3: fixed arm 31, stationary shaft 32, swing arm 33, counterbalance weight 34, balancing weight 35; Wherein: in one end of fixed arm 31 and counterbalance weight drive motor 4, the shell body of telescopic arm 36 is that sway brace 39 is hinged; The upper end of the other end of fixed arm 31 and swing arm 33 is hinged; The bottom of swing arm 33 is furnished with balancing weight 35, and counterbalance weight 34 is arranged in swing arm 33 and can moves along the axis direction of swing arm 33;
On counterbalance weight drive motor 4, be also connected with telescopic arm 36, sway brace 39 simultaneously, wherein: the shell body of telescopic arm 36 is sway brace 39, telescopic arm 36 can slide along the guide groove structure on sway brace 39, counterbalance weight drive motor 4 can drive the telescopic arm 36 of doing expanding-contracting action along himself axis direction, is also provided with on graticule or its and is fixed with scale 37 on telescopic arm 36;
Sensor group 7 is arranged on a support bar that is connecting walking-beam pumping unit 1 postbrachium front end, be arranged near agent structure, and it is connected with sensor group 7 for controlling the Intelligent control cabinet 6 of whole device work; Meanwhile, Intelligent control cabinet 6 is also connected with remote platform 8 by remote transmission network 9.
Oil pumper Based Intelligent Control complete equipment described in the utility model, also include following content and require:
In described Intelligent control cabinet 6, be provided with following ingredient: the device that can realize pumping-unit motor 2 switching controls under power frequency and variable mode; Can realize signals collecting, the calculating of sensor group 7, the device of demonstration; Can realize RS485 communication and then change pumping-unit motor 2 rotating speeds to control the output frequency of frequency converter, drive walking-beam pumping unit 1 to change the adjusting gear of jig frequency; Can realize Moveable balance block 3 is calculated and automatically adjusted to the quality of balance of walking-beam pumping unit 1 to the device of rational position.
Described for completing remote transmission network 9 that data transmission between Intelligent control cabinet 6 and remote platform 8 and control command pass on specifically following several one or a combination set of 2G network, 3G network, wireless bridge.
On described Intelligent control cabinet 6, lightning protection device 613 is also installed;
In described sensor group 7, at least comprise a kind of in following sensor: Wireless loading displacement integrative sensor, radio temperature sensor, wireless pressure sensor, comprehensive electric parameter acquisition module.
On counterbalance weight drive motor 4, be also connected with supporting seat 38, supporting seat 38 fixed and arranged are at the postbrachium tail end of walking-beam pumping unit 1, and counterbalance weight drive motor 4 is arranged on supporting seat 38; On sway brace 39, be also furnished with the limit switch 5 for the limit of sports record position of limiting balance piece drive motor 4 telescopic arms 36.
Described Moveable balance block 3 is arranged on walking-beam pumping unit 1 postbrachium end top, and its telescopic arm 36 drives balancing weight 35 to swing, and changes postbrachium centre of gravity place and changes the mechanical equilibrium that postbrachium moment is adjusted walking-beam pumping unit 1.
On the telescopic arm 36 of described Moveable balance block 3, be provided with scale, in automatic adjusting balance and manual leveling weighing apparatus, can clearly indicate the arm of force to change.
Described Intelligent control cabinet integrates data wireless collection, automatically adjusts that the access of jig frequency, automatic adjusting balance, the control of power frequency/converting operation, manual operation and setting, remote data transmission, local data graph curve show, human-computer interaction interface.
By using several sensors in described sensor group 7 (load displacement integrated transducer, radio temperature sensor, wireless pressure sensor, comprehensive electrical quantity sensor), can realize the collection of the collection of load-position diagram, multinomial temperature, pressure collection, three-phase current voltage active power reactive power and power factor.
Described platform software can be realized production data, equipment state real time on-line monitoring, the generation of various production statistical tables and reports curve, statistical study, trend judgement, failure prediction early warning, remote monitoring, Long-distance Control, network Construction, platform centered management, system optimization and extendible multiple function module, as merit figure gauging, merit figure diagnosis, system effectiveness analysis and optimization etc.
As shown in Figure 1, described walking-beam pumping unit 1 is mechanical oil production model main body uphole equipment.In the utility model, walking-beam pumping unit 1 is beam balance mode, above the back tail end of walking-beam pumping unit 1, is fixed with Moveable balance block 3.Poliched rod eye position at walking-beam pumping unit 1 is provided with load displacement integrative sensor 71, at well head liquid outlet, wireless pressure sensor 73 and radio temperature sensor 74 is installed.Input end at pumping-unit motor 2 is provided with three-phase current voltage transformer (VT) 72.In walking-beam pumping unit 1 operational process, the variation of its operational factor and operating mode feeds back to Intelligent control cabinet 6 by sensor group 7, and through collection analysis and calculating, Intelligent control cabinet 6 is done local demonstration and all kinds of warning output by integrated data and load-position diagram.And reach remote measurement and control platform 8 by teletransmission network 9.Platform Comprehensive Analysis Software is done various data processings, by client's real needs, realizes each functional module.
As shown in Figure 4, described Intelligent control cabinet 6 include that housing 60, power frequency loop 62, frequency conversion loop 63, guidance panel 64, sky open 65, measurement and control host computer 66, comprehensive electric moduli piece 67, balance adjustment module 68, display screen 69, relay group 610, wireless data transmission module 611, isolating switch 612, anti-lightening protector 613, A.C. contactor 614, control terminal row 615, power terminal row 616,433MHz antenna 617, GPRS antenna 618.In measurement and control host computer 66, be provided with wireless data transmission module, 2G/3G communication module, RS232 interface, RS485 interface, RJ45 network interface.Measurement and control host computer 66 receives each sensing data by wireless data transmission module, by RS485, receives comprehensive electric moduli blocks of data, by RS485 and inverter communication, controls frequency modulation.Can pass through 2G/3G network or the communication of wireless bridge mode with platform.
As shown in Figure 5, described load displacement integrative sensor 71 specifically comprises strain gauge and acceleration transducer, can gather load corresponding to each point position in a stroke simultaneously, automatically judges upper bottom dead centre.For drawing, merit figure provides basic data.Sample rate is ms level.Each stroke collection merit figure counts and is greater than 200 groups.Described comprehensive electrical quantity acquisition module 67 is used in conjunction with three-phase current voltage transformer (VT) 72, completes three-phase current, voltage, active power, reactive power, the power factor of pumping-unit motor 2, the collection of the multinomial electric parameter of supply frequency is calculated.With RS485 communication modes, be passed to measurement and control host computer 66.Described wireless pressure sensor 73 can be one to three, gathers respectively oil pressure, casing pressure, the back pressure of well head.Sensor is micro-power consumption design, adopts powered battery or solar panels power supply mode.Data are sent to measurement and control host computer 6 by 433MHz wireless mode.Described radio temperature sensor 74 can be one to three, gathers respectively production fluid temperature, temperature mixed with hot water, mixeding liquid temperature.Sensor is micro-power consumption design, adopts powered battery or solar panels power supply mode.Data are sent to measurement and control host computer 6 by 433MHz wireless mode.Described detector for water content rate 76, intelligent flow meter 77, continuous working fluid level tester 78 can be expanded apolegamy for system, are respectively used to phase-splitting metering and the analysis of machine-pumped oil well system effectiveness.
As shown in Figure 6, described platform software receives Intelligent control cabinet 6 and uploads each basic data, various production reports, curve, figure and each data statistics trend analysis of completing user customization, and alarm log generates.Complete various special (as merit figure gauging) and the fault diagnosises to working conditions of oil extractor calculated.The analysis of system effectiveness and optimization are instructed.Promote the remote centralized management level in digitizing oil field.
As shown in Figure 7, described Based Intelligent Control process is that Based Intelligent Control is crossed by frequency conversion circuit controls pumping-unit motor and is operated under setpoint frequency, oil pumper runs well, by sensor group 7 real-time detecting system operating parameters, reach measurement and control host computer 66, calculate by analysis the adjustment that judges quality of balance, jig frequency.By the active power ratio calculation quality of balance in up-down stroke, also can be by up-downgoing maximum current than calculated equilibrium degree.Two kinds of modes can be set selection.Quality of balance value scope also can be set, and the utility model can arrange between 0.9～1.Measurement and control host computer 66 calculates the moving direction of Moveable balance block and the size of displacement according to quality of balance and mechanical equilibrium model.Output controls to balance adjustment module 68, controls the forward or reverse of balance drive motor 4, and controls and remove the duration of runs (motor speed and telescopic arm displacement ratio are determined).In a stroke, can complete adjustment, in ensuing stroke, verify quality of balance regulating effect.Until quality of balance is in range of set value.At the sway brace appearance mounting limit switch 5 of mobile balanced block 2, guarantee that counterbalance weight moves in controlled effective scope.The position that reaches capacity, limit switch 5 can output signal to balance adjustment module, controls 4 stalls of balance drive motor or reversion.By load displacement integrative sensor 71 is gathered to oil pumper 1 load-position diagram, the parameter through measurement and control host computer 66 in conjunction with roofbolt pump, extrapolates the pump merit figure of down-hole, by the degree of filling of pump, adjusts jig frequency to rationally.By RS485, revise the output frequency value of frequency converter, change pumping-unit motor rotating speed, then change beam-pumping unit jig frequency.By pump merit, figure verifies continuously.Until pump efficiency is best.The data acquisition of 6 pairs of sensor groups 7 of Intelligent control cabinet, can pass through polling mode active inquiry, also can set each sensor and regularly report.The data that collection is calculated and curvilinear figure etc., can be at display screen 69 in Pagination Display, and teletransmission is simultaneously to platform.Teletransmission data can be also active reporting and polling mode.To the various judgements of transfiniting can local sound and light alarm and active reporting to platform software.The basic control function of 6 pairs of pumping-unit motors 2 of Intelligent control cabinet is frequency conversion drive, in frequency conversion fault or maintenance period, can switch to power frequency operation and has guaranteed that oil well normally produces.Switching, the balance of power frequency frequency conversion regulates manually or automatically, oil pumper starts or stops, the permission of Long-distance Control or forbid all can controlling by guidance panel 64.
Power frequency operation control, converting operation control, power frequency frequency conversion automatic switchover, the oil well production parameter of utilizing equipment described in the utility model can realize pumping-unit motor 2 gathers automatically, quality of balance analysis and automatically adjust, the operation such as jig frequency computational analysis and adjustment automatically, merit figure gauging, system effectiveness analysis, fault diagnosis, warning early warning.The utility model technique effect is good, and it has expected larger economic worth and social value.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is the principle of compositionality schematic diagram of the utility model oil pumper Based Intelligent Control complete equipment;
Fig. 2 is the structural representation Facad structure figure of Moveable balance block 3 in the utility model;
Fig. 3 is the structural representation structure figure of Moveable balance block 3 in the utility model;
Fig. 4 is the structural representation of Intelligent control cabinet 6 in the utility model;
Fig. 5 is the formation schematic diagram of sensor group 7 in the utility model;
Fig. 6 is platform software functional block diagram in the utility model;
Fig. 7 is Based Intelligent Control theory diagram in the utility model.
Embodiment
Embodiment 1
Oil pumper Based Intelligent Control complete equipment, it specifically consists of following structure: walking-beam pumping unit 1, pumping-unit motor 2, Moveable balance block 3, counterbalance weight drive motor 4, limit switch 5, Intelligent control cabinet 6, sensor group 7, remote platform 8, remote transmission network 9; Wherein: walking-beam pumping unit 1, pumping-unit motor 2, Moveable balance block 3, counterbalance weight drive motor 4, the common formation agent structure of limit switch 5; Moveable balance block 3 and the as a whole mechanism of counterbalance weight drive motor 4, be arranged on the postbrachium tail end of walking-beam pumping unit 1 jointly; Pumping-unit motor 2 is connected with walking-beam pumping unit 1 by driving-chain or driving belt;
Being constructed as follows of Moveable balance block 3: fixed arm 31, stationary shaft 32, swing arm 33, counterbalance weight 34, balancing weight 35; Wherein: in one end of fixed arm 31 and counterbalance weight drive motor 4, the shell body of telescopic arm 36 is that sway brace 39 is hinged; The upper end of the other end of fixed arm 31 and swing arm 33 is hinged; The bottom of swing arm 33 is furnished with balancing weight 35, and counterbalance weight 34 is arranged in swing arm 33 and can moves along the axis direction of swing arm 33;
On counterbalance weight drive motor 4, be also connected with telescopic arm 36, sway brace 39, supporting seat 38 simultaneously, wherein: the shell body of telescopic arm 36 is sway brace 39, telescopic arm 36 can slide along the guide groove structure on sway brace 39, counterbalance weight drive motor 4 can drive the telescopic arm 36 of doing expanding-contracting action along himself axis direction, is also provided with on graticule or its and is fixed with scale 37 on telescopic arm 36; Supporting seat 38 fixed and arranged are at the postbrachium tail end of walking-beam pumping unit 1, and counterbalance weight drive motor 4 is arranged in sway brace 39 inside;
On sway brace 39, be also furnished with the limit switch 5 for the limit of sports record position of limiting balance piece drive motor 4 telescopic arms 36;
Sensor group 7 is arranged on a support bar that is connecting walking-beam pumping unit 1 postbrachium front end, be arranged near agent structure, and it is connected with sensor group 7 for controlling the Intelligent control cabinet 6 of whole device work; Meanwhile, Intelligent control cabinet 6 is also connected with remote platform 8 by remote transmission network 9.
Oil pumper Based Intelligent Control complete equipment described in the present embodiment, also include following content and require:
In described Intelligent control cabinet 6, be provided with following ingredient: the device that can realize pumping-unit motor 2 switching controls under power frequency and variable mode; Can realize signals collecting, the calculating of sensor group 7, the device of demonstration; Can realize RS485 communication and then change pumping-unit motor 2 rotating speeds to control the output frequency of frequency converter, drive walking-beam pumping unit 1 to change the adjusting gear of jig frequency; Can realize Moveable balance block 3 is calculated and automatically adjusted to the quality of balance of walking-beam pumping unit 1 to the device of rational position.
Described for completing remote transmission network 9 that data transmission between Intelligent control cabinet 6 and remote platform 8 and control command pass on specifically following several one or a combination set of 2G network, 3G network, wireless bridge.
On described Intelligent control cabinet 6, lightning protection device 613 is also installed;
In described sensor group 7, at least comprise a kind of in following sensor: Wireless loading displacement integrative sensor, radio temperature sensor, wireless pressure sensor, comprehensive electric parameter acquisition module.
Described Moveable balance block 3 is arranged on walking-beam pumping unit 1 postbrachium end top, and its telescopic arm 36 drives balancing weight 35 to swing, and changes postbrachium centre of gravity place and changes the mechanical equilibrium that postbrachium moment is adjusted walking-beam pumping unit 1.
On the telescopic arm 36 of described Moveable balance block 3, be provided with scale, in automatic adjusting balance and manual leveling weighing apparatus, can clearly indicate the arm of force to change.
Described Intelligent control cabinet integrates data wireless collection, automatically adjusts that the access of jig frequency, automatic adjusting balance, the control of power frequency/converting operation, manual operation and setting, remote data transmission, local data graph curve show, human-computer interaction interface.
By using several sensors in described sensor group 7 (load displacement integrated transducer, radio temperature sensor, wireless pressure sensor, comprehensive electrical quantity sensor), can realize the collection of the collection of load-position diagram, multinomial temperature, pressure collection, three-phase current voltage active power reactive power and power factor.
Described platform software can be realized production data, equipment state real time on-line monitoring, the generation of various production statistical tables and reports curve, statistical study, trend judgement, failure prediction early warning, remote monitoring, Long-distance Control, network Construction, platform centered management, system optimization and extendible multiple function module, as merit figure gauging, merit figure diagnosis, system effectiveness analysis and optimization etc.
As shown in Figure 1, described walking-beam pumping unit 1 is mechanical oil production model main body uphole equipment.In the present embodiment, walking-beam pumping unit 1 is beam balance mode, above the back tail end of walking-beam pumping unit 1, is fixed with Moveable balance block 3.Poliched rod eye position at walking-beam pumping unit 1 is provided with load displacement integrative sensor 71, at well head liquid outlet, wireless pressure sensor 73 and radio temperature sensor 74 is installed.Input end at pumping-unit motor 2 is provided with three-phase current voltage transformer (VT) 72.In walking-beam pumping unit 1 operational process, the variation of its operational factor and operating mode feeds back to Intelligent control cabinet 6 by sensor group 7, and through collection analysis and calculating, Intelligent control cabinet 6 is done local demonstration and all kinds of warning output by integrated data and load-position diagram.And reach remote measurement and control platform 8 by teletransmission network 9.Platform Comprehensive Analysis Software is done various data processings, by client's real needs, realizes each functional module.
As shown in Figure 4, described Intelligent control cabinet 6 include that housing 60, power frequency loop 62, frequency conversion loop 63, guidance panel 64, sky open 65, measurement and control host computer 66, comprehensive electric moduli piece 67, balance adjustment module 68, display screen 69, relay group 610, wireless data transmission module 611, isolating switch 612, anti-lightening protector 613, A.C. contactor 614, control terminal row 615, power terminal row 616,433MHz antenna 617, GPRS antenna 618.In measurement and control host computer 66, be provided with wireless data transmission module, 2G/3G communication module, RS232 interface, RS485 interface, RJ45 network interface.Measurement and control host computer 66 receives each sensing data by wireless data transmission module, by RS485, receives comprehensive electric moduli blocks of data, by RS485 and inverter communication, controls frequency modulation.Can pass through 2G/3G network or the communication of wireless bridge mode with platform.
As shown in Figure 5, described load displacement integrative sensor 71 specifically comprises strain gauge and acceleration transducer, can gather load corresponding to each point position in a stroke simultaneously, automatically judges upper bottom dead centre.For drawing, merit figure provides basic data.Sample rate is ms level.Each stroke collection merit figure counts and is greater than 200 groups.Described comprehensive electrical quantity acquisition module 67 is used in conjunction with three-phase current voltage transformer (VT) 72, completes three-phase current, voltage, active power, reactive power, the power factor of pumping-unit motor 2, the collection of the multinomial electric parameter of supply frequency is calculated.With RS485 communication modes, be passed to measurement and control host computer 66.Described wireless pressure sensor 73 can be one to three, gathers respectively oil pressure, casing pressure, the back pressure of well head.Sensor is micro-power consumption design, adopts powered battery or solar panels power supply mode.Data are sent to measurement and control host computer 6 by 433MHz wireless mode.Described radio temperature sensor 74 can be one to three, gathers respectively production fluid temperature, temperature mixed with hot water, mixeding liquid temperature.Sensor is micro-power consumption design, adopts powered battery or solar panels power supply mode.Data are sent to measurement and control host computer 6 by 433MHz wireless mode.Described detector for water content rate 76, intelligent flow meter 77, continuous working fluid level tester 78 can be expanded apolegamy for system, are respectively used to phase-splitting metering and the analysis of machine-pumped oil well system effectiveness.
As shown in Figure 6, described platform software receives Intelligent control cabinet 6 and uploads each basic data, various production reports, curve, figure and each data statistics trend analysis of completing user customization, and alarm log generates.Complete various special (as merit figure gauging) and the fault diagnosises to working conditions of oil extractor calculated.The analysis of system effectiveness and optimization are instructed.Promote the remote centralized management level in digitizing oil field.
As shown in Figure 7, described Based Intelligent Control process is that Based Intelligent Control is crossed by frequency conversion circuit controls pumping-unit motor and is operated under setpoint frequency, oil pumper runs well, by sensor group 7 real-time detecting system operating parameters, reach measurement and control host computer 66, calculate by analysis the adjustment that judges quality of balance, jig frequency.By the active power ratio calculation quality of balance in up-down stroke, also can be by up-downgoing maximum current than calculated equilibrium degree.Two kinds of modes can be set selection.Quality of balance value scope also can be set, and the present embodiment can arrange between 0.9～1.Measurement and control host computer 66 calculates the moving direction of Moveable balance block and the size of displacement according to quality of balance and mechanical equilibrium model.Output controls to balance adjustment module 68, controls the forward or reverse of balance drive motor 4, and controls and remove the duration of runs (motor speed and telescopic arm displacement ratio are determined).In a stroke, can complete adjustment, in ensuing stroke, verify quality of balance regulating effect.Until quality of balance is in range of set value.At the sway brace appearance mounting limit switch 5 of mobile balanced block 2, guarantee that counterbalance weight moves in controlled effective scope.The position that reaches capacity, limit switch 5 can output signal to balance adjustment module, controls 4 stalls of balance drive motor or reversion.By load displacement integrative sensor 71 is gathered to oil pumper 1 load-position diagram, the parameter through measurement and control host computer 66 in conjunction with roofbolt pump, extrapolates the pump merit figure of down-hole, by the degree of filling of pump, adjusts jig frequency to rationally.By RS485, revise the output frequency value of frequency converter, change pumping-unit motor rotating speed, then change beam-pumping unit jig frequency.By pump merit, figure verifies continuously.Until pump efficiency is best.The data acquisition of 6 pairs of sensor groups 7 of Intelligent control cabinet, can pass through polling mode active inquiry, also can set each sensor and regularly report.The data that collection is calculated and curvilinear figure etc., can be at display screen 69 in Pagination Display, and teletransmission is simultaneously to platform.Teletransmission data can be also active reporting and polling mode.To the various judgements of transfiniting can local sound and light alarm and active reporting to platform software.The basic control function of 6 pairs of pumping-unit motors 2 of Intelligent control cabinet is frequency conversion drive, in frequency conversion fault or maintenance period, can switch to power frequency operation and has guaranteed that oil well normally produces.Switching, the balance of power frequency frequency conversion regulates manually or automatically, oil pumper starts or stops, the permission of Long-distance Control or forbid all can controlling by guidance panel 64.
Power frequency operation control, converting operation control, power frequency frequency conversion automatic switchover, the oil well production parameter of utilizing equipment described in the present embodiment can realize pumping-unit motor 2 gathers automatically, quality of balance analysis and automatically adjust, the operation such as jig frequency computational analysis and adjustment automatically, merit figure gauging, system effectiveness analysis, fault diagnosis, warning early warning.The present embodiment technique effect is good, and it has expected larger economic worth and social value.
Claims (5)
1. oil pumper Based Intelligent Control complete equipment, is characterized in that: described oil pumper Based Intelligent Control complete equipment specifically consist of following structure: walking-beam pumping unit (1), pumping-unit motor (2), Moveable balance block (3), counterbalance weight drive motor (4), Intelligent control cabinet (6), sensor group (7), remote platform (8), remote transmission network (9); Wherein: walking-beam pumping unit (1), pumping-unit motor (2), Moveable balance block (3), counterbalance weight drive motor (4), limit switch (5) form agent structure jointly; Moveable balance block (3) and the as a whole mechanism of counterbalance weight drive motor (4), be arranged on the postbrachium tail end of walking-beam pumping unit (1) jointly; Pumping-unit motor (2) is connected with walking-beam pumping unit (1) by driving-chain or driving belt;
Being constructed as follows of Moveable balance block (3): fixed arm (31), stationary shaft (32), swing arm (33), counterbalance weight (34), balancing weight (35); Wherein: in one end of fixed arm (31) and counterbalance weight drive motor (4), the shell body of telescopic arm (36) is that sway brace (39) is hinged; The upper end of the other end of fixed arm (31) and swing arm (33) is hinged; The bottom of swing arm (33) is furnished with balancing weight (35), and counterbalance weight (34) is arranged in swing arm (33) above and can moves along the axis direction of swing arm (33);
On counterbalance weight drive motor (4), be also connected with telescopic arm (36), sway brace (39) simultaneously, wherein: the shell body of telescopic arm (36) is sway brace (39), telescopic arm (36) can slide along the guide groove structure on sway brace (39), counterbalance weight drive motor (4) can drive the telescopic arm (36) of doing expanding-contracting action along himself axis direction, is also provided with on graticule or its and is fixed with scale (37) on telescopic arm (36);
Sensor group (7) is arranged on a support bar that is connecting walking-beam pumping unit (1) postbrachium front end, be arranged near agent structure, and it is connected with sensor group (7) for controlling the Intelligent control cabinet (6) of whole device work; Meanwhile, Intelligent control cabinet (6) is also connected with remote platform (8) by remote transmission network (9).
2. according to oil pumper Based Intelligent Control complete equipment described in claim 1, it is characterized in that:
In described Intelligent control cabinet (6), be provided with following ingredient: the device that can realize pumping-unit motor (2) switching controls under power frequency and variable mode; Can realize signals collecting, the calculating of sensor group (7), the device of demonstration; Can realize RS485 communication and then change pumping-unit motor (2) rotating speed to control the output frequency of frequency converter, drive walking-beam pumping unit (1) to change the adjusting gear of jig frequency; Can realize Moveable balance block (3) is calculated and automatically adjusted to the quality of balance of walking-beam pumping unit (1) to the device of rational position.
3. according to oil pumper Based Intelligent Control complete equipment described in claim 2, it is characterized in that: described for completing remote transmission network (9) that data transmission between Intelligent control cabinet (6) and remote platform (8) and control command pass on specifically following several one or a combination set of 2G network, 3G network, wireless bridge.
4. according to claim 1-3 oil pumper Based Intelligent Control complete equipment described in one of them, it is characterized in that: lightning protection device (613) is also installed on described Intelligent control cabinet (6);
In described sensor group (7), at least comprise a kind of in following sensor: Wireless loading displacement integrative sensor, radio temperature sensor, wireless pressure sensor, comprehensive electric parameter acquisition module.
5. according to oil pumper Based Intelligent Control complete equipment described in claim 4, it is characterized in that: on counterbalance weight drive motor (4), be also connected with supporting seat (38), supporting seat (38) fixed and arranged is at the postbrachium tail end of walking-beam pumping unit (1), and counterbalance weight drive motor (4) is arranged on supporting seat (38);
On sway brace (39), be also furnished with the limit switch (5) for the limit of sports record position of limiting balance piece drive motor (4) telescopic arm (36).
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| CN201320613847.8U CN203535446U (en) | 2013-09-30 | 2013-09-30 | Oil pumping unit intelligent control complete equipment |
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| CN201320613847.8U CN203535446U (en) | 2013-09-30 | 2013-09-30 | Oil pumping unit intelligent control complete equipment |
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