CN100373051C - Wind and electricity hybrid driving method and apparatus for sucker rod pump - Google Patents

Wind and electricity hybrid driving method and apparatus for sucker rod pump Download PDF

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Publication number
CN100373051C
CN100373051C CNB2006100417759A CN200610041775A CN100373051C CN 100373051 C CN100373051 C CN 100373051C CN B2006100417759 A CNB2006100417759 A CN B2006100417759A CN 200610041775 A CN200610041775 A CN 200610041775A CN 100373051 C CN100373051 C CN 100373051C
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China
Prior art keywords
motor
side gear
power
input
oil pumping
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Expired - Fee Related
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CNB2006100417759A
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Chinese (zh)
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CN1807888A (en
Inventor
穆安乐
刘宏昭
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Xian University of Technology
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Xian University of Technology
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Publication of CN1807888A publication Critical patent/CN1807888A/en
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Publication of CN100373051C publication Critical patent/CN100373051C/en
Expired - Fee Related legal-status Critical Current
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Abstract

The present invention discloses a wind and electricity mixed driving method for an oil pumping machine with a rod. Firstly, the wind energy generated by a windmill impeller is transferred to an overrunning clutch by a vertical shaft of the windmill impeller, and then the input power generated by the wind energy is inputted to a vertical input shaft of a differential gear box by the overrunning clutch in a unidirectional way; an input gear which is fixed with the vertical input shaft is engaged with a gear of a planet frame to carry out the power flow diversion or the power flow confluence. The power flow diversion has the structure that the input power is divided into power flow which enters a motor shaft by a motor side gear shaft and power flow which enters a belt wheel by an oil pumping side gear shaft, and the power flow confluence has the structure that the input power and the electric energy power flow which enters the motor side gear shaft are combined into the power flow of the oil pumping side gear shaft to the belt wheel.

Description

A kind of wind-powered electricity generation hybrid driving method and the device thereof of sucker rod pumping machine
Technical field
The present invention relates to motivational drive method and device thereof in the petroleum production, particularly a kind of method for driving and the device thereof of sucker rod pumping machine.
Background technique
The quantity of China's input slide beam sucker rod pumping machine in petroleum production is more than 100,000, its motor installation total capacity is at 3500MW, year power consumption exceeded 10,000,000,000 kilowatts/time, and efficiency of the pumping unit only is 25.96%, so petroleum system is the economize on electricity key industry.In existing pumping unit power-saving technique, adopting frequency-converter device is one of preferred option to the dragging system transformation of motor.Although it has can significantly improve power factor, minimizing supply current, realize soft start, the advantage of alleviating mechanical shock and enhancing productivity, the handling problem of its impact electric current and regenerated energy never has fine solution; And this converter plant and method for driving thereof can be energy-conservation means with the consumption that reduces electric energy only, can not utilize natural resourcess such as wind-force.According to relevant meteorological data, China's main oilfield all is in the abundant area of wind energy, therefore can make full use of wind energy resources as the replenishing of electric power resource, and drives pumping unit work.
Summary of the invention
The objective of the invention is to provide the method and the device thereof of a kind of wind, electric combination drive, electric energy feedback, can make full use of the abundant wind resource of oil recovery mining site, saving power, significantly reduce cost for oil production for the motor of sucker rod pumping machine.
For realizing above purpose, the present invention takes following technological scheme to be achieved: a kind of wind-powered electricity generation hybrid driving method of sucker rod pumping machine, at first the wind energy that wind turbine impeller is produced is delivered to free wheel device by its vertical pivot, import the vertical input shaft of differential case then by the unidirectional input power that wind energy is produced of free wheel device, carry out power dividing or carry out the power interflow by input gear that is fixed in vertical input shaft and planet carrier gear meshing; Described power dividing is input power to be divided into by the motor side gear shaft enter the power circuit of motor shaft and the power circuit that enters belt pulley by oil pumping side gear axle; Described power interflow is that the power that the electric energy power circuit that input power and motor side gear shaft enter is merged into the side gear axle of pumping is flow to belt pulley.
In the said method, the input power that produces when wind energy is during greater than the rated power of motor, input power enters differential case along vertical input shaft, carry out power dividing by input gear and planet carrier gear meshing, one tunnel power circuit drives a pair of planetary pinion and motor side gear meshing outflow motor side gear axle to motor shaft by being fixed on planet axis on the planet carrier gear, make motor be in generating state, carry out current transformation by the inverter that is electrically connected with motor then, convert electrical energy into Ac (electric energy feedback) with the electrical network same frequency; Another road power circuit flows out oil pumping side gear axle to belt pulley by the planetary pinion and the engagement of oil pumping side gear, drives oil pumping machine oil pumping.The input power that produces when wind energy is during less than the rated power of motor, make motor powered with the controller control inverter, the electric energy power circuit that allows motor shaft produce flows into differential case motor side gear shaft, by motor side gear engagement planetary pinion, planetary pinion meshes the oil pumping side gear again, flows out oil pumping side gear axle to belt pulley; Meanwhile, flow into the wind energy input power of the vertical input shaft of differential case, collaborating by input gear and planet carrier gear meshing and electric energy power circuit is combined power stream, exports to belt pulley by oil pumping side gear axle, drives oil pumping machine oil pumping (wind-powered electricity generation combination drive).
A kind of wind-powered electricity generation hybrid drive of sucker rod pumping machine, comprise the belt pulley, the motor that are connected by belt with the balanced crank of pumping unit, be provided with differential case between described motor and the belt pulley, the vertical input shaft of differential case is connected firmly by the vertical pivot of free wheel device and wind energy conversion system, the oil pumping side gear axle and the belt pulley of differential case connect firmly, and the motor side gear shaft and the motor shaft of differential case connect firmly; Described motor is electrically connected with an end of inverter, and the other end of inverter is connected to power transmission line by feeder line, and the control input end of inverter connects controller.
In the above-mentioned wind-powered electricity generation hybrid drive, differential case comprise the input gear that connects firmly with vertical input shaft, with the planet carrier gear of input gear engagement, one planet axis vertically is set in the planet carrier gear, this planet axis connects firmly a pair of planetary pinion up and down, planetary pinion and motor side gear, oil pumping side gear are meshing with each other, and motor side gear, oil pumping side gear connect firmly with motor side gear shaft, oil pumping side gear axle respectively.Free wheel device comprise the star-wheel that connects firmly with the wind energy conversion system vertical pivot, with the outer shroud that the vertical input shaft of differential case connects firmly, be provided with in the wedge shape cavity between star-wheel and the outer shroud and be pushed the tight roller of masthead.
The invention has the beneficial effects as follows: adopt the differential case of a two-freedom, can import wind energy easily on the one hand and generate electricity and pump; Can realize absorbing the recovery with energy by two-way inverter on the other hand, can improve the energy-saving effect of pumping unit so to greatest extent because of the violent fluctuating load of beam pumping unit causes inrush current to motor.Another advantage of the present invention is, the vertical axis windmill of employing is simple in structure, cost is low, easy for installation, therefore can reduce the equipment integral cost.
Description of drawings
Fig. 1 is the wind-powered electricity generation hybrid drive scheme of installation of sucker rod pumping machine of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to view.
Fig. 3 is the inventive method schematic diagram.
Fig. 4 is the structural drawing of the differential case among Fig. 1.
Fig. 5 is the structural drawing of Electric Machine Control part among Fig. 1.
Fig. 6 is the structural drawing of the free wheel device among Fig. 1.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2, shown in Figure 3, a kind of wind-powered electricity generation hybrid driving method of sucker rod pumping machine, at first the wind energy that wind energy conversion system 4 impellers 1 are produced is delivered to free wheel device 6 by vertical pivot 2, import the vertical input shaft 18 of differential case 7 then by the free wheel device 6 unidirectional input power Pw that wind energy is produced, carry out power dividing or carry out the power interflow by the input gear 19 that is fixed in vertical input shaft 18 and the engagement of planet carrier gear 17, described power dividing is that input power Pw is divided into power circuit Pm and Po, power circuit Pm readed aloud motor side gear shaft 16 and entered by arbor 41, and power circuit Po enters belt pulley 8 by oil pumping side gear axle 15; Described power interflow is input power Pw and power circuit Pm to be merged into power circuit Po enter belt pulley 8 by the side gear axle 15 of pumping.
The input power Pw that produces when wind energy is during greater than the rated power of motor 11, input power Pw enters differential case 7 along vertical input shaft 18, carry out power dividing by the input gear 19 and the engagement of planet carrier gear 17, one tunnel power circuit Pm drives the engagement outflow motor side gear axle 16 of planetary pinion 20,23 and motor side gear 21 to motor shaft 41 by the planet axis 53 that is fixed on the planet carrier gear 17, make motor 11 be in generating state, carry out current transformation by the inverter 12 that is electrically connected with motor 11 then, convert electrical energy into Ac with the electrical network same frequency; Another road power circuit Po flows out oil pumping side gear axle 15 to belt pulley 8 by the engagement of planetary pinion 20,23 and oil pumping side gear 22, drives pumping unit 10 oil pumping.
The input power Pw that produces when wind energy is during less than the rated power of motor 11, make motor 11 electronic with controller 13 control inverters 12, allow the power circuit Pm of motor shaft 41 flow into differential case 7 motor side gear shafts 16, by motor side gear 21 meshing planetary gears 20,23, planetary pinion 20,23 meshes oil pumping side gear 22 again, flows out oil pumping side gear axle 15 to belt pulley 8; Meanwhile, flow into the input power Pw of differential case 7 vertical input shafts 18, be power circuit Po by engagement and the power circuit Pm interflow of importing gear 19 and planet carrier gear 17, export to belt pulley 8 by oil pumping side gear axle 15, driving pumping unit 10 is pumped.
A kind of wind-powered electricity generation hybrid drive of sucker rod pumping machine, comprise the belt pulley 8, the motor 11 that are connected by belt 9 with the balanced crank of pumping unit 10, be provided with differential case 7 between motor 11 and the belt pulley 8, the vertical input shaft 18 of differential case 7 is connected firmly by the vertical pivot 2 of free wheel device 6 with wind energy conversion system 4, the oil pumping side gear axle 15 of differential case 7 and belt pulley 8 are connected firmly by key, and the motor side gear shaft 16 of differential case 7 and motor shaft 41 are connected firmly by coupling; Described motor 11 is electrically connected with a end of inverter 12, and the b end of described inverter 12 is connected to power transmission line 49 by feeder line 14, and the control input end c of inverter 12 connects controller 13.
Wind energy conversion system 4 adopts D type vertical shaft driving mode, comprises vertical pivot 2, is installed in and has automatic overload protection and the impeller 1 of the function of facining the wind on the vertical pivot 2, and vertical pivot 2 tops are equipped with radial bearing 3, and have drag-line and ground to connect firmly; The bottom is equipped with thrust-bearing 5, and is vertically mounted on the differential case 7 by the free wheel device 6 of reverse stop, and this structure only allows vertical pivot 2 one-way rotation.Hybrid drive of the present invention is installed near the beam pumping unit 10.The link crank work of rear driving pumping unit 10 of the retarder of differential case 7 by belt pulley 8, belt 9 and pumping unit 10.Also differential case 7 and retarder can be made integral body, save belt transmission.
As shown in Figure 4, differential case 7 comprise the input gear 19 that connects firmly with vertical input shaft 18, with the planet carrier gear 17 of input gear 19 engagements, one planet axis 53 vertically is set in the described planet carrier gear 17, this planet axis 53 connects firmly the planetary pinion 20,23 of a pair of dead in line up and down, planetary pinion 20,23 and motor side gear 21, oil pumping side gear 22 are meshing with each other, motor side gear 21, oil pumping side gear 22 adopt the identical modulus and the number of teeth, and connect firmly with the motor side gear shaft 16, the oil pumping side gear axle 15 that are on the same horizontal line respectively.Rolling bearing 51 and 52,54 and 55,56 and 57 supports oil pumping side gear axle 15, motor side gear shaft 16 and vertical input shaft 18 respectively, and uses in pairs.Planetary pinion 20,23 is installed on the planet carrier gear 17 by planet pin 53.Motor side gear 21, oil pumping side gear 22 connect firmly by spline and motor side gear shaft 16, oil pumping side gear axle 15 respectively.Electric energy Pm flows into by motor side gear shaft 16 or flows out (two-way) differential case 7, and mechanical energy Po always outputs to belt pulley 8 by oil pumping side gear axle 15.The size that wherein inputs or outputs the electric energy Pm of differential case 7 is determined by the wind energy Pw of input differential case 7 and the mechanical energy Po of output differential 7.
As shown in Figure 5, control system is made up of inverter 12 and controller 13, the control of the rotating speed of motor 11 and the power flow direction of electric energy Pm (i.e. generating and electronic two states) is finished in programmable circuit by controller 13 and 12 actings in conjunction of two-way variable frequency inverter, thereby realize constant speed or speed Control to differential case 7 rotating speeds, and can realize generating and electronic two kinds of working staties by motor 11, to reduce the power consumption of pumping unit.Inverter 12 is the IGBT active inverter of four quadrant running, is installed back-to-back by grid side inverter 25 and motor side inverter 26, and its output terminal b links to each other with grid power transmission line 49, and output voltage, frequency and phase place are consistent with power transmission line 49.This inverter 12 has phase demodulation, frequency discriminator and phaselocked loop control function.
The DSP digital processing chip 31 and 36 that controller 13 comprises symmetrically arranged signal acquisition circuit 28 and 40, gather prime processing circuit 30 and 38 that output signals are connected with signal acquisition circuit 28,40 respectively, be connected with 30,38 outputs of prime processing circuit respectively by signaling line 33,37, the peripheral expansion control circuit 29 and 39 that is connected with 36 output signals with DSP digital processing chip 31 respectively, for the power module 32 that each circuit module is powered, be connected with interface circuit 35 by the serial and the signal and communication line 34 that is incorporated into the power networks between the DSP digital processing chip 31 and 36; The input end of signal acquisition circuit 28,40 is connected with grid side sampling sensor group 24, motor side sampling sensor group 27 signals respectively; Peripheral expansion control circuit 29 and 39 control output signal are connected to input end c, the d of grid side inverter 25, motor side inverter 26 respectively.Motor side sampling sensor 27 can be gathered rotating speed, electric current and the voltage etc. of motor 11; Grid side sampling sensor 24 can be gathered grid side inverter 25 AC side line voltages and electric current, dc voltage and electric current etc.By above control system, can conveniently realize adjusting the flow direction of rotating speed of motor and power P m.
As shown in Figure 6, free wheel device 6 comprise the star-wheel 42 that can connect firmly with wind energy conversion system 4 vertical pivots 2, with the outer shroud 43 that the vertical input shaft 18 of differential case 7 connects firmly, be provided with the roller 44 that is held out against by push rod 45 in the wedge shape cavity between star-wheel 42 and the outer shroud 43.Roller 44 numbers are generally 3 to 8,5 cylinder rollers of present embodiment.Each roller is all pushed ahead with thrust by spring 46 and push rod 45 and is in half wedging state.Star-wheel 42 is driving link and does when rotating counterclockwise that free wheel device 6 is in jointing state, and the energy of wind energy conversion system 4 is transferred to differential case 7 by star-wheel 42, thereby drives pumping unit 10 work.When star-wheel 42 and outer shroud 43 all rotate counterclockwise, and the rotating ratio outer shroud 43 of star-wheel 42 is slow, then free wheel device 6 separation, thus guaranteed the unidirectional input of wind energy, promptly by impeller 1 → vertical pivot 2 → free wheel device 6 → differential case 7.Guaranteed wind energy Pw always by vertical input shaft 18 unidirectional being input in the differential case 7 by free wheel device 6, the star-wheel 42 and wind energy conversion system 4 vertical pivots 2 lower ends of free wheel device 6 link by key; The outer shroud 43 of free wheel device 6 is welded as a whole with the vertical input shaft 18 of differential case 7.

Claims (6)

1. a kind of wind-powered electricity generation hybrid driving method of sucker rod pumping machine, it is characterized in that, at first the wind energy that wind energy conversion system (4) impeller (1) is produced is delivered to free wheel device (6) by vertical pivot (2), import the vertical input shaft (18) of differential case (7) then by the unidirectional input power (Pw) that wind energy is produced of free wheel device (6), carry out power dividing or carry out the power interflow by the input gear (19) that is fixed in vertical input shaft (18) and the engagement of planet carrier gear (17), described power dividing is that input power (Pw) is divided into motor side power circuit (Pm) and oil pumping side power circuit (Po), motor side power circuit (Pm) enters motor shaft (41) by motor side gear shaft (16), and oil pumping side power circuit (Po) enters belt pulley (8) by oil pumping side gear axle (15); Described power interflow is input power (Pw) and motor side power circuit (Pm) to be merged into oil pumping side power circuit (Po) enter belt pulley (8) by oil pumping side gear axle (15).
2. a kind of wind-powered electricity generation hybrid driving method of sucker rod pumping machine according to claim 1, it is characterized in that, the input power (Pw) that produces when wind energy is during greater than the rated power of motor (11), input power (Pw) enters differential case (7) along vertical input shaft (18), carry out power dividing by the input gear (19) and the engagement of planet carrier gear (17), one tunnel power circuit (Pm) drives planetary pinion (20 by the planet axis (53) that is fixed on the planet carrier gear (17), 23) the engagement outflow motor side gear axle (16) with motor side gear (21) arrives motor shaft (41), make motor (11) be in generating state, carry out current transformation by the inverter (12) that is electrically connected with motor (11) then, convert electrical energy into Ac with the electrical network same frequency; Another road power circuit (Po) flows out oil pumping side gear axle (15) to belt pulley (8) by the planetary pinion (20,23) and the engagement of oil pumping side gear (22), drives pumping unit (10) oil pumping.
3. a kind of wind-powered electricity generation hybrid driving method of sucker rod pumping machine according to claim 1, it is characterized in that, the input power (Pw) that produces when wind energy is during less than the rated power of motor (11), make motor (11) electronic with controller (13) control inverter (12), allow the power circuit (Pm) of motor shaft (41) flow into differential case (7) motor side gear shaft (16), by motor side gear (21) meshing planetary gear (20,23), planetary pinion (20,23) meshes oil pumping side gear (22) again, flows out oil pumping side gear axle (15) to belt pulley (8); Meanwhile, flow into the input power (Pw) of the vertical input shaft (10) of differential case (7), collaborate to be oil pumping side power circuit (Po) by input gear (19) and the engagement and the motor side power circuit (Pm) of planet carrier gear (17), export to belt pulley (8) by oil pumping side gear axle (15), drive pumping unit (10) oil pumping.
4. a kind of wind-powered electricity generation hybrid drive of sucker rod pumping machine, comprise the belt pulley (8), the motor (11) that are connected by belt (9) with the balanced crank of pumping unit (10), it is characterized in that, be provided with differential case (7) between described motor (11) and the belt pulley (8), the vertical input shaft (18) of described differential case (7) is connected firmly by the vertical pivot (2) of free wheel device (6) with wind energy conversion system (4), the oil pumping side gear axle (15) of differential case (7) connects firmly with belt pulley (8), and the motor side gear shaft (16) of differential case (7) connects firmly with motor shaft (41); Described motor (11) is electrically connected with the motor side input end (a) of inverter (12), the grid side output terminal (b) of described inverter (12) is connected to power transmission line (49) by feeder line (14), and the control input end (c) of inverter (12), (d) connect controller (13).
5. a kind of wind-powered electricity generation hybrid drive of sucker rod pumping machine according to claim 4, it is characterized in that, described differential case (7) comprises the input gear (19) that connects firmly with vertical input shaft (18), planet carrier gear (17) with input gear (19) engagement, one planet axis (53) vertically is set in the described planet carrier gear (17), this planet axis (53) connects firmly a pair of planetary pinion (20 up and down, 23), planetary pinion (20,23) with motor side gear (21), oil pumping side gear (22) is meshing with each other motor side gear (21), the oil pumping side gear (22) respectively with motor side gear shaft (16), oil pumping side gear axle (15) connects firmly.
6. a kind of wind-powered electricity generation hybrid drive of sucker rod pumping machine according to claim 4, it is characterized in that, described free wheel device (6) comprises the star-wheel (42) that can connect firmly with wind energy conversion system (4) vertical pivot (2), the outer shroud (43) that can connect firmly with the vertical input shaft (18) of differential case (7), is provided with the roller (44) that is held out against by push rod (45) in the wedge shape cavity between described star-wheel (42) and the outer shroud (43).
CNB2006100417759A 2006-02-09 2006-02-09 Wind and electricity hybrid driving method and apparatus for sucker rod pump Expired - Fee Related CN100373051C (en)

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CNB2006100417759A CN100373051C (en) 2006-02-09 2006-02-09 Wind and electricity hybrid driving method and apparatus for sucker rod pump

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CNB2006100417759A CN100373051C (en) 2006-02-09 2006-02-09 Wind and electricity hybrid driving method and apparatus for sucker rod pump

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CN100373051C true CN100373051C (en) 2008-03-05

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555940B (en) * 2009-05-22 2012-08-29 中国人民解放军军事交通学院 Accordant junction differential planetary gear train indefinitely variable transmission system
CA2861006C (en) * 2012-01-10 2016-11-01 Yongan QIU Wind-directly-driven oil pumping machine
CN103216607B (en) * 2012-08-21 2015-09-09 东营胜利高原有限公司 A kind of oil field differential speed type pulley apparatus, application process and pumping unit
CN112593898B (en) * 2020-11-30 2022-09-23 内蒙古民族大学 Wind power hybrid power driven oil pumping unit system and working method thereof

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN2350559Y (en) * 1998-08-20 1999-11-24 兰州石油化工机器总厂 Double lifting machinery-driven petroleum drill
CN1050174C (en) * 1994-08-23 2000-03-08 北京市西城区新开通用试验厂 Numerical control wind-power oil-pumping and water-injection combined equipment
CN2415175Y (en) * 1999-11-06 2001-01-17 赵国文 Long stroke pumping unit with inside engaged planetary gear to form linear motion
CN2427648Y (en) * 2000-06-23 2001-04-25 钟有学 Novel and beam type direct balancing oil suction machine
CN2498373Y (en) * 2001-09-26 2002-07-03 祝喜忱 Wine energy aid for cooker hood

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050174C (en) * 1994-08-23 2000-03-08 北京市西城区新开通用试验厂 Numerical control wind-power oil-pumping and water-injection combined equipment
CN2350559Y (en) * 1998-08-20 1999-11-24 兰州石油化工机器总厂 Double lifting machinery-driven petroleum drill
CN2415175Y (en) * 1999-11-06 2001-01-17 赵国文 Long stroke pumping unit with inside engaged planetary gear to form linear motion
CN2427648Y (en) * 2000-06-23 2001-04-25 钟有学 Novel and beam type direct balancing oil suction machine
CN2498373Y (en) * 2001-09-26 2002-07-03 祝喜忱 Wine energy aid for cooker hood

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