CN103888034B - Energy-saving control equipment system for dragging motor of oil pumping unit - Google Patents
Energy-saving control equipment system for dragging motor of oil pumping unit Download PDFInfo
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- CN103888034B CN103888034B CN201410078501.1A CN201410078501A CN103888034B CN 103888034 B CN103888034 B CN 103888034B CN 201410078501 A CN201410078501 A CN 201410078501A CN 103888034 B CN103888034 B CN 103888034B
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- 238000005086 pumping Methods 0.000 title abstract description 4
- 239000003921 oil Substances 0.000 claims description 38
- 238000004804 winding Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses an energy-saving control equipment system for a dragging motor of an oil pumping unit, which comprises: a switched reluctance motor and an energy-saving controller; the energy-saving controller includes: the display device comprises an operation display circuit, a control circuit, a driving circuit and a power circuit; the operation display circuit is connected with the control circuit, and the control circuit is connected with the switched reluctance motor, the driving circuit and the power circuit; the driving circuit is connected with the power circuit; the power circuit is connected with the switched reluctance motor; the energy-saving controller adjusts the output power of the switched reluctance motor by adjusting the rotating speed of the switched reluctance motor. The invention can reduce the energy loss of the motor and improve the efficiency of the motor.
Description
Technical field
The present invention relates to oil pumper dragging motor technical field, more particularly to oil pumper dragging motor energy-saving control apparatus system
System.
Background technology
Because the load of oil pumper is a kind of cycling alternating load with impact, and oil pumper dragging motor is mainly at present
Using threephase asynchronous machine, the motor, which is adapted to, loads constant operating mode, and this has resulted in motor and the mismatch of load.Three-phase
Asynchronous machine is used as the limitation that oil pumper dragging motor has the following aspects：
1st, oil pumper loaded starting, electric motor starting electric current, moment of torsion are big, cause motor installed power, energy consumption higher；
Electric current, moment of torsion are small when the 2nd, running, and load-rate of motor and efficiency are relatively low；
3rd, same type, motor rated power is bigger, and load-rate of motor is lower；
4th, load-rate of motor is lower, causes efficiency low.
Due to aforementioned four aspect, cause motor to be chronically under underload and run, it is impossible to reach rated efficiency
Scope, motor power loss is high, so as to influence the overall computer collecting system level of efficiency of oil well.
The content of the invention
The embodiment of the present invention provides a kind of oil pumper dragging motor energy-saving control apparatus system, reasonable to solve oil pumper
The problem of matching motor, reduces motor power loss, and lifting motor efficiency, the system includes：
Switched reluctance machines and energy-saving controller；
Energy-saving controller includes：Operate display circuit, control circuit, drive circuit and power circuit；Wherein, operation display
Circuit connects connection control circuit, control circuit connecting valve reluctance motor, drive circuit and power circuit；Drive circuit connects power
Circuit；Power circuit connecting valve reluctance motor；
Operation display circuit is used to adjust the rotating speed of switched reluctance machines to adjust switched reluctance machines power output；
Control circuit is used to adjust operation display circuit output signal to reach switched reluctance machines service requirement；
Drive circuit is used to produce switched reluctance machines drive signal according to control circuit output signal；
Power circuit is used to carry out rectification and drive control to switched reluctance machines drive signal；
Switched reluctance machines are used to press power circuit operation output signal, to control electronic feedback power signal；
Control circuit is additionally operable to further be adjusted according to power circuit output signal and switched reluctance machines feedback power signal
Section operation display circuit output signal；
Operate display circuit specifically for：Track angular speed and power output of the switched reluctance machines in a cycle
Original state curve, when switched reluctance machines power output is higher than first threshold, reduction switched reluctance machines high power area
Rotating speed is to reduce power output；When switched reluctance machines power output is less than Second Threshold, the low work(of switched reluctance machines is improved
The rotating speed in rate area is to improve power output；First threshold is higher than Second Threshold.
In one embodiment, switched reluctance machines are stator, rotor double-salient-pole variable reluctance motor, and stator, rotor
Number of poles is different.
In one embodiment, stator, rotor are formed by silicon steel plate stacking, without winding and permanent magnet on rotor, on stator
There is winding.
In one embodiment, energy-saving controller also includes：Power supply is controlled, control power supply is electric with control circuit and power respectively
Road is connected, for providing power supply to control circuit and power circuit.
In one embodiment, power circuit is also connected with external power supply.
In one embodiment, operation display circuit provides switched reluctance machines rotational speed regulation button.
In one embodiment, operation display circuit provides start/stop machine button, commutation button and electrical parameter display button wherein
One of or any combination.
The oil pumper dragging motor energy-saving control apparatus system of the embodiment of the present invention, by adjusting turning for switched reluctance machines
Speed adjusts switched reluctance machines power output, and the problem of can not only solving oil pumper Proper Match motor can also reduce
Electric current, the power of motor operation course, reduce motor power loss, lifting motor efficiency, and then lift whole computer collecting system
Efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.In the accompanying drawings：
Fig. 1 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention；
Fig. 2 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention；
Fig. 3 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention；
Fig. 4 is motor angular velocity and the original state curve map of power output in the embodiment of the present invention；
Fig. 5 is motor angular velocity and the dbjective state curve map of power output in the embodiment of the present invention.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, below in conjunction with the accompanying drawings to this hair
Bright embodiment is described in further details.Here, the schematic description and description of the present invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In embodiments of the present invention there is provided a kind of oil pumper dragging motor energy-saving control apparatus system, the system is using opening
Reluctance motor is closed as oil pumper dragging motor, the problem of to solve oil pumper Proper Match motor, digging motor consumption reduction space.
Fig. 1 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention.As shown in figure 1, the present invention is real
The oil pumper dragging motor energy-saving control apparatus system of example is applied, mainly by switched reluctance machines 101 and energy-saving controller 102 two
It is grouped into, wherein energy-saving controller is to be used to be driven switched reluctance machines control.
Switched reluctance machines are always closed using magnetic resistance minimum principle, i.e. magnetic flux along the minimum path of magnetic resistance, use tooth interpolar
Attraction pull rotor rotation；Coil current break-make, magnetic flux state are directly by switch control.Switched reluctance machines operation principle
It is entirely different with threephase asynchronous machine, with following features：
Feature 1, electric efficiency are high
It is mainly reflected in two aspects：One is that no-load current is small, and two be that speed adjustable range is wide, efficiency high；
Feature 2：Starting torque is big, electric current is low
Starting torque is big compared with threephase asynchronous machine, electric current is low, when starting torque is 1.5 times of nominal torque, starts
Electric current is 0.3 times of rated current；
Feature 3：Power factor is high
Power factor is close to 1 when switched reluctance machines are run；And threephase asynchronous machine power factor is relevant with load factor, most
Big value is below 0.9；
Feature 4：Rotating speed is easily controllable
Controllable parameter is more, and rotating speed control is flexible, can be combined with digitlization oil pumper, according to pump load situation,
Different control methods and parameter value are taken, motor automatic speed regulation is realized.
Using switched reluctance machines as oil pumper dragging motor, its frequent forward and backward is applied, starting torque is big, speed governing
Scope is wide, and power factor is high, with deceleration of electrons, efficiency high, the advantages of good energy-conserving effect, then carries out intelligence by energy-saving controller
Can speed governing, motor can be carried out to each point of switched reluctance machines each stroke cycles and be matched with control of load,
And then oil pumper is in optimum Working, realize the mesh for reducing motor power loss, lifting motor and computer collecting system efficiency
's.
When it is implemented, switched reluctance machines can be stator, rotor double-salient-pole variable reluctance motor, and stator, turn
Sub- number of poles can be different.Stator, rotor can be formed by silicon steel plate stacking, can be without winding and permanent magnet, stator on rotor
On can have winding.Fig. 2 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention.In Fig. 2
The structure of switched reluctance machines is shown specifically so that switched reluctance machines are the pole structure of three-phase 12/8 as an example.As shown in Fig. 2 in switch
In reluctance motor 201, rotor 12 extremely A1 poles, B1 poles, C1 poles, A2 poles, B2 poles, C2 poles, a1 poles, b1 poles, c1 poles, a2 poles,
B2 poles, c2 poles；The relative position of stator and rotor is powered to B → C → A phase windings successively as original position using in Fig. 2, and rotor is
Can continuously it be rotated in a counterclockwise direction against excitation order；Conversely, being powered successively to C → B → A phases, then motor can be square clockwise
To rotation.The steering of switched reluctance machines is unrelated with the sense of current of phase winding, and the order being powered depending on phase winding.Pass through
Control the first electronic switch (IGBT) S1, the second electronic switch (IGBT) S2 working condition of phase winding, it is possible to which change is opened
Close the working conditions such as steering, torque, rotating speed, the braking of reluctance motor 201.Switched reluctance machines 201 and section are also show in Fig. 2
Energy controller 202 is connected.
Fig. 3 is the exemplary plot of oil pumper dragging motor energy-saving control apparatus system in the embodiment of the present invention.Show in detail in Fig. 3
The structure composition of energy-saving controller is gone out.As shown in figure 3, energy-saving controller 310 includes：Operate display circuit 311, control circuit
312nd, drive circuit 313 and power circuit 314；Wherein, operation display circuit 311 connects connection control circuit 312, controls circuit 312
Connecting valve reluctance motor 320, drive circuit 313 and power circuit 314；Drive circuit 313 connects power circuit 314；Power
The connecting valve reluctance motor 320 of circuit 314.
When it is implemented, in energy-saving controller, operation display circuit is used to adjust the rotating speed of switched reluctance machines to adjust
Save switched reluctance machines power output；Control circuit is used to adjust operation display circuit output signal to reach switched reluctance machines
Service requirement；Drive circuit is used to produce switched reluctance machines drive signal according to control circuit output signal；Power circuit is used
In to the progress rectification of switched reluctance machines drive signal and drive control；Switched reluctance machines are used to press power circuit output signal
Operation, to control electronic feedback power signal；Control circuit is additionally operable to according to power circuit output signal and switched reluctance machines
Feedback power signal further adjusts operation display circuit output signal.As shown in figure 3, energy-saving controller 310 can also include：
Control power supply 315, control power supply 315 respectively with control circuit 312 and power circuit 314 be connected, for control the He of circuit 312
Power circuit 314 provides power supply.During implementation, power circuit 314 can also connect external power supply 330.
When it is implemented, operation display circuit is according to intelligent speed-regulating principle, adjust the rotating speed of switched reluctance machines with up to
To the purpose of regulation switched reluctance machines power output.Intelligent speed-regulating principle is：
The power output of motor and the output torque of motor and angular speed are proportional, i.e.,：
P=T × ω；
Wherein, P is the power output of motor, and unit is KW；T is the output torque of motor, and unit is N m；ω is angle speed
Degree, unit is rad/s.
Because the output torque of motor is depended on by the size of driving load, and the size of load is depended under rod-pumped well
Operating mode, when underground working is determined, can adjust switched reluctance machines output work by adjusting the rotating speed of switched reluctance machines
Rate.When it is implemented, can be when switched reluctance machines power output is higher than first threshold, turn of reduction switched reluctance machines
Speed；When switched reluctance machines power output is less than Second Threshold, the rotating speed of switched reluctance machines is improved；First threshold is higher than the
Two threshold values.For example, a cycle motor angular velocity and the original state curve (see Fig. 4) of power output are first tracked, is passed through
Change the power output that motor speed carrys out regulation motor, reduce the rotating speed in high power area to reduce power output, improve low-power
The rotating speed in area realizes the redistribution to output power of motor and output torque, tends to power of motor to improve power output
Steadily, it is straight and absolute value is low, the purpose of " peak load shifting " is reached, that is, dbjective state curve (see Fig. 5) is realized, so that motor
Reach energy-saving, improved efficiency.
When it is implemented, for ease of human users, operation display circuit can provide switched reluctance machines rotational speed regulation and press
Key.In addition, operation display circuit can also provide start/stop machine button, commutation one of button and electrical parameter display button or appoint
Meaning combination, realizes the function such as electric motor starting and stopping, electric motor protecting.Operation display circuit can also provide display panel, so as to
The real time inspection parameter of electric machine and working condition etc..
When it is implemented, operation display circuit can generate regulation switched reluctance machines rotating speed signal and to control circuit
The signal is exported, operation display circuit output signal is adjusted control circuit, to reach switched reluctance machines service requirement.
Circuit is controlled to operate display circuit output signal according to peripheral operation requirement and the connection regulation of motor practical operation situation, after
Continue again by drive circuit and power circuit, change the conduction time of machine winding and the size of electric current.Circuit is controlled in regulation
Operate after display circuit output signal, by the signal output after regulation to drive circuit.Drive circuit is according to control circuit output
Signal produces switched reluctance machines drive signal, and is supplied to power circuit.Power circuit is to switched reluctance machines drive signal
Rectification and drive control are carried out, the output signal of power circuit is respectively fed to switched reluctance machines and control circuit.Switching magnetic-resistance
Motor presses power circuit operation output signal, to control electronic feedback power signal.Circuit is controlled to be exported further according to power circuit
Signal and switched reluctance machines feedback power signal further adjust operation display circuit output signal, and then make whole system not
The rotating speed of disconnected optimizing regulation switched reluctance machines forms a self study, adaptive to adjust switched reluctance machines power output
Cycling circuit.
In summary, the oil pumper dragging motor energy-saving control apparatus system of the embodiment of the present invention, by adjusting switch magnetic
Hinder the rotating speed of motor to adjust switched reluctance machines power output, the problem of can not only solving oil pumper Proper Match motor,
Electric current, the power of motor operation course can also be reduced, reduces motor power loss, lifting motor efficiency, and then lifted whole
The efficiency of computer collecting system.
The oil pumper dragging motor energy-saving control apparatus system of the embodiment of the present invention, employs variable speed drives mode, to outstanding
Inertial load in point load has certain influence, on the premise of beam-pumping unit jig frequency is not changed, and changes oil pumper operation acceleration
Distribution, it is possible to decrease maximum inertia loading, improve minimum inertia loading, reduce the degree of fluctuation of oil pumper load, protect and take out
Oil machine equipment.Also, variable speed drives mode can make the reduction of crank torque peak, reduce motor rated power, can be selected during implementation
With low-power machine, low-power machine is run at higher loads, reach energy-saving effect.
In addition, understanding that (see Fig. 4,5) not only power swing significantly reduces, and substantially eliminates from power curve contrast
Negative work, oil pumping unit reduction gearbox eliminates " back of the body is hit " phenomenon, the working life of prolonged deceleration case.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the present invention can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail it is bright, should be understood that the foregoing is only the present invention specific embodiment, the guarantor being not intended to limit the present invention
Scope is protected, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in this
Within the protection domain of invention.
Claims (7)
1. a kind of oil pumper dragging motor energy-saving control apparatus system, it is characterised in that including：
Switched reluctance machines and energy-saving controller；
Energy-saving controller includes：Operate display circuit, control circuit, drive circuit and power circuit；Wherein, display circuit is operated
Even connection control circuit, controls circuit connecting valve reluctance motor, drive circuit and power circuit；Drive circuit connection power electricity
Road；Power circuit connecting valve reluctance motor；
Operation display circuit is used to adjust the rotating speed of switched reluctance machines to adjust switched reluctance machines power output；
Control circuit is used to adjust operation display circuit output signal to reach switched reluctance machines service requirement；
Drive circuit is used to produce switched reluctance machines drive signal according to control circuit output signal；
Power circuit is used to carry out rectification and drive control to switched reluctance machines drive signal；
Switched reluctance machines are used to press power circuit operation output signal, to control electronic feedback power signal；
Control circuit is additionally operable to further adjust behaviour according to power circuit output signal and switched reluctance machines feedback power signal
Make display circuit output signal；
Operate display circuit specifically for：Track the initial of angular speed and power output of the switched reluctance machines in a cycle
Condition curve, when switched reluctance machines power output is higher than first threshold, the rotating speed in reduction switched reluctance machines high power area
To reduce power output；When switched reluctance machines power output is less than Second Threshold, switched reluctance machines low-power area is improved
Rotating speed to improve power output；First threshold is higher than Second Threshold.
2. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 1, it is characterised in that switched reluctance machines
For stator, rotor double-salient-pole variable reluctance motor, and stator, rotor number of poles are different.
3. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 1, it is characterised in that stator, rotor are equal
Formed by silicon steel plate stacking, without winding and permanent magnet on rotor, have winding on stator.
4. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 1, it is characterised in that energy-saving controller is also
Including：Power supply is controlled, control power supply is connected with control circuit and power circuit respectively, for being carried to control circuit and power circuit
Power supply source.
5. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 4, it is characterised in that power circuit also connects
Connect external power supply.
6. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 1, it is characterised in that operation display circuit
Switched reluctance machines rotational speed regulation button is provided.
7. oil pumper dragging motor energy-saving control apparatus system as claimed in claim 1, it is characterised in that operation display circuit
Start/stop machine button, commutation one of button and electrical parameter display button or any combination are provided.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078501.1A CN103888034B (en) | 2014-03-05 | 2014-03-05 | Energy-saving control equipment system for dragging motor of oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410078501.1A CN103888034B (en) | 2014-03-05 | 2014-03-05 | Energy-saving control equipment system for dragging motor of oil pumping unit |
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| Publication Number | Publication Date |
|---|---|
| CN103888034A CN103888034A (en) | 2014-06-25 |
| CN103888034B true CN103888034B (en) | 2017-09-01 |
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| CN201410078501.1A Active CN103888034B (en) | 2014-03-05 | 2014-03-05 | Energy-saving control equipment system for dragging motor of oil pumping unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015131353A1 (en) * | 2014-03-05 | 2015-09-11 | 中国石油天然气股份有限公司 | Pumping unit drive motor energy-saving control device system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201188183Y (en) * | 2007-08-23 | 2009-01-28 | 黄运生 | Control device for high-efficiency energy-saving oil-pumping machine |
| CN201674450U (en) * | 2010-05-28 | 2010-12-15 | 山东科汇电力自动化有限公司 | Electric control system of switched reluctance motor for pumping unit |
| CN203119818U (en) * | 2012-11-16 | 2013-08-07 | 淄博京科电气研究所 | Oil-pumping-unit dedicated switch reluctance motor speed regulation system |
| CN203851071U (en) * | 2014-03-05 | 2014-09-24 | 中国石油天然气股份有限公司 | Energy-saving control equipment system for dragging motor of oil pumping unit |
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