CN200971850Y - Automatic track pressure regulating device for loading change of beam unit - Google Patents
Automatic track pressure regulating device for loading change of beam unit Download PDFInfo
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- CN200971850Y CN200971850Y CNU2006200218962U CN200620021896U CN200971850Y CN 200971850 Y CN200971850 Y CN 200971850Y CN U2006200218962 U CNU2006200218962 U CN U2006200218962U CN 200620021896 U CN200620021896 U CN 200620021896U CN 200971850 Y CN200971850 Y CN 200971850Y
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Abstract
The utility model discloses an oil extractor variable load dynamic automatic follow pressure regulation appliance which pertains to a light variable load oil extraction well automatic follow pressure regulation. The utility model traces the changing load, reasonable adjusts the voltage and reduces energy consumption of the electric motor. The utility model is composed of a signal detection circuit, a data acquisition circuit, a power amplification circuit, a data discrimination and processing circuit, a three phase silicon controlled AC voltage regulator and a signal feedback circuit, wherein an output end of the signal detection circuit is connected with an input end of the data acquisition circuit whose output end is then connected with the input end of the power amplification circuit whose output end is connected with the input end of the data discrimination and processing circuit whose output end is connected with the controlled end of the three phase silicon controlled AC voltage regulator and the input end of the signal feedback circuit is connected with the other output end of the data discrimination and processing circuit, while the output end of the signal feedback circuit is connected with the other input end of the data acquisition circuit. The utility model solves the problem of high consumption and low efficiency of the oil extraction well.
Description
Technical field
The utility model relate to the lighter pumping well star of alternate load connect when operation from the motion tracking voltage regulator controllers.
Background technique
Pumping unit is the conventional oil production equipment in oil field, and it is one of main oil field artificial lifting way that pumping well recovers the oil, and the pumping well power consumption accounts for machine and adopts 1/3 of total power consumption.Descend gradually with oil field production capacity, the existing operational outfit of pumping well exposes the problem that installed power is bigger than normal, operation energy consumption is higher gradually.In order to satisfy the needs of pumping well starting torque, determined the present situation of " low load with strong power " to exist for a long time, cause motor power (output) factor in service on the low side, energy consumption is bigger than normal.At present, the lighter pumping well of a lot of loads has adopted the traditional dihedral of motor is connected to change y connection into voltage is reduced to the measure of 220V, but this measure can't be followed the tracks of and turn down pressure-controlled, also can't adapt to the variation of load, still has big energy consumption waste.
The model utility content
The purpose of this utility model provides the dynamic auto tracking regulator of a kind of pumping unit varying load, and following the tracks of the variation of motor load, reasonable regulation and control voltage when variable load further reduces the energy consumption of motor, satisfies that it is efficient, the needs of economical operation.The utility model is by signal deteching circuit 1, data acquisition circuit 2, power amplification circuit 3, discriminating data processing circuit 4, three-phase controllable silicon AC voltage regulator 5 and signal feedback circuit 6 are formed, the output terminal of signal deteching circuit 1 connects an input end of data acquisition circuit 2, the output terminal of data acquisition circuit 2 connects the input end of power amplification circuit 3, the output terminal of power amplification circuit 3 connects the input end of data processing circuit judge 4, an output terminal of discriminating data processing circuit 4 connects the controlled end of three-phase controllable silicon AC voltage regulator 5, the input end of signal feedback circuit 6 connects another output terminal of data processing circuit judge 4, and the output terminal of signal feedback circuit 6 connects another input end of data acquisition circuit 2.During the utility model work, signal deteching circuit 1 is obtained three-phase alternating voltage from the threephase stator winding of motor M, current signal and waveform etc., be transported to discriminating data processing circuit 4 through data capture and power amplification, whether the load of judging present motor satisfies the condition of normal operation and whether can also turn down voltage to improve the power of electric motor utilization ratio, send the controlled end of control signal then to three-phase controllable silicon AC voltage regulator 5, the regulation and control silicon controlled angle of flow, thereby regulate the output voltage that outputs on the motor M, make the voltage that outputs on the motor M can realize dynamically adjusting in real time, satisfy pumping well alternate load operating conditions, thereby reach energy saving purposes.The utility model connects operation at star and the control gear of the lighter pumping well of loading is designed, and has following technique effect: 1. connect the dynamic tracking pressure regulation of having carried out in service at pumping well motor star; 2. solve star and connect the problem that operational efficiency low, energy consumption big of the lighter pumping well of operation and alternate load because of can't dynamic regulation causing; 3. adopt contactless gate turnoff thyristor, can realize the soft switching of motor in service; 4. widen the function and the using scope of star/angle conversion hysteria control gear, compare with traditional star/angle conversion hysteria control technique, using scope is wider, and effect is better, has improved the comprehensive utilization ratio of pumping unit alternate load operation.Prove that through site test this technology can solve the problem of pumping well high cost with low efficiency, effect is remarkable.Use 2 mouthfuls of wells in the grand celebration BLOCK OF LAMADIAN OIL FIELD, on average meritorious power saving rate reaches 22.87%, and idle power saving rate reaches 81%, and the integrated power-saving rate reaches 37.86%, and effect is remarkable.
Description of drawings
Fig. 1 is the structural representation that the utility model is applied to conventional motors star/angular transformation circuit, and Fig. 2 is a structural representation of the present utility model.
Embodiment
Embodiment one: specify present embodiment below in conjunction with Fig. 1 and Fig. 2.Present embodiment is by signal deteching circuit 1, data acquisition circuit 2, power amplification circuit 3, discriminating data processing circuit 4, three-phase controllable silicon AC voltage regulator 5 and signal feedback circuit 6 are formed, the output terminal of signal deteching circuit 1 connects an input end of data acquisition circuit 2, the output terminal of data acquisition circuit 2 connects the input end of power amplification circuit 3, the output terminal of power amplification circuit 3 connects the input end of data processing circuit judge 4, an output terminal of discriminating data processing circuit 4 connects the controlled end of three-phase controllable silicon AC voltage regulator 5, the input end of signal feedback circuit 6 connects another output terminal of data processing circuit judge 4, and the output terminal of signal feedback circuit 6 connects another input end of data acquisition circuit 2.
As shown in Figure 1, during the threephase stator winding y connection of motor M, K switch M1, the KM2 of star/angular transformation circuit disconnects, K switch M3 closure, the three-phase of three-phase controllable silicon AC voltage regulator 5 one ends of the dynamic auto tracking regulator of the utility model N is connected on termination U2, V2, the W2 of the threephase stator winding of motor M, the three-phase of the other end of three-phase controllable silicon AC voltage regulator 5 is connected on three terminal of K switch M3 moved end, signal deteching circuit 1 adopts three mutual inductors, detects alternating voltage, electric current.By data acquisition circuit 2 waveform that draws, calculate active power, wattless power etc.Alternate load, the motor operating voltage in one week of operation of pumping well gathered in the real-time data acquisition unit that the utility model signal deteching circuit 1, data acquisition circuit 2, power amplification circuit 3 are formed, the working condition in one week of varying load judgement cycle, establish the working curve model, and rated output utilization ratio (being the ratio of active power and motor rated power).Whether discriminating data processing circuit 4 monitoring motor Operational Limitss notable change takes place, judge that whether rationally and send control signal and give three-phase controllable silicon AC voltage regulator 5 load that motor of oil extractor is with, when the power of electric motor utilization ratio is lower than setting value, turn down the output voltage of three-phase controllable silicon AC voltage regulator 5, otherwise heighten output voltage.Discriminating data processing circuit 4 is in following the tracks of the pressure regulation process, monitoring motor rotating speed, load change, make it be operated in normal range (NR), suitably control the angle of flow of gate turnoff thyristor element by the tachogenerator current curve of motor, set up in good time control mode and determine regulation range at last, send signal in real time motor is carried out soft switching control, controlling to the motor operating voltage during underloading is 120V, is adjusted to about 280V when surpassing rated load during heavy duty.Utilize signal feedback circuit 6 to finish reverse feedback control, stablize the pressure regulation process.
Altogether implement this technology 2 mouthful wells at Daqing oil field the 6th oil recovery factory 10-1702,10-1666 in March, 2006, with implement before do not compare, meritorious power saving rate reaches 22.87%, idle power saving rate reaches 81%, the integrated power-saving rate reaches 37.86%, effect is remarkable.
The implementation result table
| Pound sign | State | Meritorious | Idle | Power factor | Meritorious power saving rate % | Idle power saving rate % | Integrated power-saving rate % |
| 10-1702 | Before the enforcement | 6.078 | 24.704 | 0.233 | 24.30 | 83 | 38.63 |
| After the enforcement | 4.601 | 4.274 | 0.688 | ||||
| Difference | -1.477 | -20.43 | 0.455 | ||||
| 10-1666 | Before the enforcement | 5.547 | 25.655 | 0.208 | 21.44 | 79 | 37.08 |
| After the enforcement | 4.358 | 5.292 | 0.57 | ||||
| Difference | -1.189 | -20.363 | 0.362 |
Claims (1)
1, the dynamic auto tracking regulator of pumping unit varying load, it is characterized in that it is by signal deteching circuit (1), data acquisition circuit (2), power amplification circuit (3), discriminating data processing circuit (4), three-phase controllable silicon AC voltage regulator (5) and signal feedback circuit (6) are formed, the output terminal of signal deteching circuit (1) connects an input end of data acquisition circuit (2), the output terminal of data acquisition circuit (2) connects the input end of power amplification circuit (3), the output terminal of power amplification circuit (3) connects the input end of data processing circuit judges (4), an output terminal of discriminating data processing circuit (4) connects the controlled end of three-phase controllable silicon AC voltage regulator (5), the input end of signal feedback circuit (6) connects another output terminal of data processing circuit judges (4), and the output terminal of signal feedback circuit (6) connects another input end of data acquisition circuit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200218962U CN200971850Y (en) | 2006-10-30 | 2006-10-30 | Automatic track pressure regulating device for loading change of beam unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200218962U CN200971850Y (en) | 2006-10-30 | 2006-10-30 | Automatic track pressure regulating device for loading change of beam unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200971850Y true CN200971850Y (en) | 2007-11-07 |
Family
ID=38883104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200218962U Expired - Lifetime CN200971850Y (en) | 2006-10-30 | 2006-10-30 | Automatic track pressure regulating device for loading change of beam unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200971850Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356803A (en) * | 2015-10-27 | 2016-02-24 | 贵州大学 | Zero torque vector control method for motor of beam-pumping unit |
-
2006
- 2006-10-30 CN CNU2006200218962U patent/CN200971850Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356803A (en) * | 2015-10-27 | 2016-02-24 | 贵州大学 | Zero torque vector control method for motor of beam-pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071107 |
|
| EXPY | Termination of patent right or utility model |