CN102158154A - Smart electricity-saving speed-regulating control device of beam-pumping unit - Google Patents
Smart electricity-saving speed-regulating control device of beam-pumping unit Download PDFInfo
- Publication number
- CN102158154A CN102158154A CN2011100584201A CN201110058420A CN102158154A CN 102158154 A CN102158154 A CN 102158154A CN 2011100584201 A CN2011100584201 A CN 2011100584201A CN 201110058420 A CN201110058420 A CN 201110058420A CN 102158154 A CN102158154 A CN 102158154A
- Authority
- CN
- China
- Prior art keywords
- speed
- control circuit
- loop
- pumping unit
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Electric Motors In General (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a smart electricity-saving speed-regulating control device of a beam-pumping unit, comprising a current loop which comprises a digital signal processor, a speed loop control circuit and a position loop, a torque loop control circuit, a power output driver module which is connected with a power source input end of a work drive motor in series and a revolution speed transducer for inspecting the revolving speed of the work drive motor, wherein the current loop, the speed loop control circuit and the position loop and the torque loop control circuit are in communication linkage; a signal output end of the power output driver module is electrically connected with the current loop and a signal input end of the speed loop control circuit; a signal output end of the revolution speed transducer is electrically connected with the current loop, the speed loop control circuit and the position loop and a signal input end of the torque loop control circuit respectively; and the current loop and the signal input end of the speed loop control circuit are electrically connected with a current Hall sensor for inspecting the current of the work drive motor. The smart electricity-saving speed-regulating control device is used for fundamentally solving the problem that the beam-pumping unit reversely pulls the motor to generate electricity when the beam-pumping unit moves downwards, thus improving the working efficiency of the beam-pumping unit.
Description
Technical field
The present invention relates to beam pumping unit, especially relate to beam pumping unit intelligent energy-saving speed-regulating control device.
Background technology
At present, the oil pumper that uses in oil exploitation mostly is beam pumping unit.The course of work of beam pumping unit is: move in a circle at work motor drives lower crank, horse head is done the driving sucker rod that pumps and is moved up and down.Crank rotates a week, and horse head promotes once, and its power is from the very big steel balancing weight of motor-operated two weight of work.When balancing weight promotes sucker rod is sent in the well, sucker rod drove the piston stroking upward in shaft bottom when balancing weight descended, and the crude oil in the well is promoted to well head.In the said process, during the operation of sucker rod upstroke, motor need overcome the acting of oil pumping load with the balancing weight that is in a high position crude oil is extracted out; Horse head and sucker rod descend rapidly when down stroke, and this moment, motor did not do work.But when down stroke, because motor speed will make motor be in the generator operation state above synchronous speed, so the induction-motor load of beam pumping unit is a kind of periodically pulsing stress alternation, in the actual condition also with the anti-load condition that drags of irregular moment impact; Therefore motor often will leave bigger capacity nargin when design, and load factor was very low when this just caused motor normally to move, generally at 20%-30%.Underload rate and instead drag generating will bring a series of unfavorable factors such as power factor is low, waste of energy is big, efficient is low, thus the waste of energy in the recover petroleum process caused.
For addressing the above problem, many at present employing electromagnetic adjustable speed motors are as drive motors, or the method for employing frequency converter timing.But can only reach 60% during electromagnetic adjustable speed motor most effective, Energy Efficiency Ratio is very low, and it is big to add the needed starting torque of beam pumping unit, so overall efficiency less than 20%.And when using frequency converter timing, because there is the situation of oil pumper reverse pulling motor running in the quadric chain of beam pumping unit, motor frequently occurs to operate in the four-quadrant electric phenomenon, the electric energy voltage height, the time weak point that send can't utilize; And frequent small-power generating the high order harmonic component that produces very big to electric network pollution, do not have use value, and four-quadrant frequency converter involves great expense.
Summary of the invention
The object of the invention is to provide a kind of beam pumping unit intelligent energy-saving speed-regulating control device.
For achieving the above object, the present invention can take following technical proposals:
Beam pumping unit intelligent energy-saving speed-regulating control device of the present invention, it comprises electric current loop, speed ring control circuit and position ring, the moment loop control circuit that is made of digital signal processor, and the power output driver module that is connected on the work drive motor power input, be used for the speed probe of testing motor speed; Described electric current loop, speed ring control circuit and position ring, moment loop control circuit communicate to connect; Described power output driver module signal output part is electrically connected with electric current loop, speed ring control circuit signal input part; Described signals of rotational speed sensor output is electrically connected with electric current loop, speed ring control circuit and position ring, moment loop control circuit signal input part respectively; Be electrically connected with the current Hall transducer that is used for the testing current of electric at electric current loop, speed ring control circuit signal input part.
Power input at described digital signal processor is electrically connected with stabilized voltage power supply; Data input pin at digital signal processor is electrically connected with the keyboard input module.
The invention has the advantages that the mechanical structure that does not need to transform existing beam pumping unit, Bian just can allow oil pumper carry out work with the original little 1-2 of power ratio permanent power AC asynchronous motor doubly; Adopting 32 special-purpose programmable DSP chip is the servo system that core is formed, and electric current, moment, speed, position when making AC asynchronous motor work are in four closed-loop systems.When oil pumper starts, utilize PowerFlex II Torque Control system, accurate controlling torque, breakdown torque can reach two to three times of motor nominal torque.After oil pumper starts,, utilize that moment is followed, speed control is chosen suitable velocity of rotation according to the actual condition of oil well oil mass.After the oil pumper normal rotation, utilize the variation of electric current, position control system real-time tracking oil well load, differentiate empty generation of taking out in advance, the rotating speed of real time altering AC asynchronous motor reaches the optimum Match of motor and oil pumper with this.Follow by output torque motor, realize that with software the electronics freewheel clutch cooperates the balance weight energy storage of oil pumper, fundamentally solved oil pumper oil pumper reverse pulling motor electric phenomenon when descending, improved the operating efficiency of oil pumper, thereby improved the service conditions of motor, reduce heating, vibration, noise and the ferromagnetic loss of motor, played good energy conservation and consumption reduction effects.
Description of drawings
Fig. 1 is a circuit structure schematic diagram of the present invention.
Fig. 2 is a control procedure flow chart of the present invention.
Embodiment
As shown in Figure 1, beam pumping unit intelligent energy-saving speed-regulating control device of the present invention, it comprises electric current loop, speed ring control circuit and position ring, the moment loop control circuit that is made of digital signal processor 6, and the power output driver module 2 that is connected on work drive motor 1 power input, be used for the speed probe 3 of testing motor 1 rotating speed; Power input at described digital signal processor 6 is electrically connected with stabilized voltage power supply, is electrically connected with the keyboard input module at the data input pin of digital signal processor 6; Described electric current loop, speed ring control circuit and position ring, moment loop control circuit communicate to connect; Described power output driver module 2 signal output parts are electrically connected with electric current loop, speed ring control circuit signal input part; Described speed probe 3 signal output parts are electrically connected with electric current loop, speed ring control circuit and position ring, moment loop control circuit signal input part respectively; Be electrically connected with the current Hall transducer 4,5 that is used for testing motor 1 electric current at electric current loop, speed ring control circuit signal input part;
Operation principle of the present invention is as follows:
As shown in Figure 1, 2, described electric current loop, speed ring control circuit and position ring, the moment loop control circuit that constitutes by digital signal processor 6, be used for forming AC servo, the axle moment of torsion of real-time monitoring motor 1, torque current by controller when 1 moment of torsion of work drive motor progressively reduces to be about to be zero is exported, the torque current of motor 1 quits work, the low-intensity magnetic field electric current only is provided, fast response time when the base excitation of keeping work drive motor 1 drops into to improve work drive motor 1 torque current is eliminated impulse current.This moment, work drive motor 1 was a free state, and balancing weight by the horse head band of oil pumper and work drive motor 1 freely quickens operation.In idle running, a large amount of potential energy converting and energy does not become rotatory inertia kinetic energy to be stored in the balancing weight because there being torque current for work drive motor 1.When the oil pumper operation need provide power, the rotatory inertia kinetic energy in the balancing weight began to discharge, and along with the continuous increase of burst size, the axle rotating speed of work drive motor 1 constantly reduces.When the axle rotating speed of work drive motor 1 during near the preset speed set this controller begin the axle rotating speed and the rotor angle of following calculation work drive motor 1, frequency, electrical degree and the amplitude that need export when dropping into rated exciting current and torque current again with the decision controller.After tracking was finished synchronously, controller was to work drive motor 1 excitation, the acting that begins to exert oneself of output torque electric current, work drive motor 1.Therefore,, when not needing to do work, stop electricity consumption, potential energy is stored in the balance weight, solved the anti-generating problem of dragging when oil pumper electricity consumption acting when needs do work.And because the potential energy of horse head and sucker rod has improved utilization rate of electrical greatly to the mutual conversion of the rotation function of balance weight.
Claims (2)
1. beam pumping unit intelligent energy-saving speed-regulating control device, it is characterized in that: it comprises electric current loop, speed ring control circuit and position ring, the moment loop control circuit that is made of digital signal processor (6), and the power output driver module (2) that is connected on work drive motor (1) power input, be used for the speed probe (3) of testing motor (1) rotating speed; Described electric current loop, speed ring control circuit and position ring, moment loop control circuit communicate to connect; Described power output driver module (2) signal output part is electrically connected with electric current loop, speed ring control circuit signal input part; Described speed probe (3) signal output part is electrically connected with electric current loop, speed ring control circuit and position ring, moment loop control circuit signal input part respectively; Be electrically connected with the current sensor (4,5) that is used for testing motor (1) electric current at electric current loop, speed ring control circuit signal input part.
2. beam pumping unit intelligent energy-saving speed-regulating control device according to claim 1 is characterized in that: the power input at described digital signal processor (6) is electrically connected with stabilized voltage power supply; Data input pin at digital signal processor (6) is electrically connected with the keyboard input module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100584201A CN102158154A (en) | 2011-03-11 | 2011-03-11 | Smart electricity-saving speed-regulating control device of beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100584201A CN102158154A (en) | 2011-03-11 | 2011-03-11 | Smart electricity-saving speed-regulating control device of beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102158154A true CN102158154A (en) | 2011-08-17 |
Family
ID=44439389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100584201A Pending CN102158154A (en) | 2011-03-11 | 2011-03-11 | Smart electricity-saving speed-regulating control device of beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102158154A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298469A (en) * | 2015-10-20 | 2016-02-03 | 北京恒和兴业科技发展有限公司 | Monitoring system and monitoring method for running state of beam-pumping unit |
| CN107842489A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of motor speed method of adjustment of beam pumping unit |
| CN112211812A (en) * | 2020-09-11 | 2021-01-12 | 中国石油天然气股份有限公司 | Method for constant-power variable-speed operation of beam-pumping unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847611A (en) * | 2005-04-15 | 2006-10-18 | 哈尔滨三方直线电磁技术有限公司 | Linear electromagnetic pumping unit |
| CN2876374Y (en) * | 2006-01-26 | 2007-03-07 | 河南油田亚盛电器有限责任公司 | Intelligent multi-power energy saving actuator |
| CN201270490Y (en) * | 2008-09-28 | 2009-07-08 | 西安飞鹰科技有限责任公司 | Energy saving control apparatus for oil pumping machine large power DC brushless motor |
| CN101876239A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Pumping unit system and power saving control method thereof |
-
2011
- 2011-03-11 CN CN2011100584201A patent/CN102158154A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1847611A (en) * | 2005-04-15 | 2006-10-18 | 哈尔滨三方直线电磁技术有限公司 | Linear electromagnetic pumping unit |
| CN2876374Y (en) * | 2006-01-26 | 2007-03-07 | 河南油田亚盛电器有限责任公司 | Intelligent multi-power energy saving actuator |
| CN201270490Y (en) * | 2008-09-28 | 2009-07-08 | 西安飞鹰科技有限责任公司 | Energy saving control apparatus for oil pumping machine large power DC brushless motor |
| CN101876239A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Pumping unit system and power saving control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298469A (en) * | 2015-10-20 | 2016-02-03 | 北京恒和兴业科技发展有限公司 | Monitoring system and monitoring method for running state of beam-pumping unit |
| CN107842489A (en) * | 2016-09-19 | 2018-03-27 | 中国石油化工股份有限公司 | A kind of motor speed method of adjustment of beam pumping unit |
| CN112211812A (en) * | 2020-09-11 | 2021-01-12 | 中国石油天然气股份有限公司 | Method for constant-power variable-speed operation of beam-pumping unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10260497B2 (en) | Power unit of hydraulic pumping unit and corresponding hydraulic pumping unit | |
| CN204652078U (en) | A kind of wind electricity change paddle permanent magnet synchronous servo motor and control device thereof | |
| US10340755B1 (en) | Energy harvesting and converting beam pumping unit | |
| CN101645689A (en) | Motor control system for oil extractor in oil field | |
| CN104131944A (en) | Marine ocean wave generating device outputting constant power | |
| CN102158154A (en) | Smart electricity-saving speed-regulating control device of beam-pumping unit | |
| CN102255590B (en) | Adaptive permanent magnet brushless DC motor macrocontrol system for beam-pumping unit | |
| CN208279268U (en) | A kind of fork truck energy saving system with speed-regulating function | |
| CN206035719U (en) | Vertical axis silicon oil retarder and use its aerogenerator | |
| CN101174813B (en) | Energy-saving control method of oil pumping machine | |
| CN201298820Y (en) | Motor control system for pumping unit in oil field | |
| CN102536651A (en) | Control system of permanent magnetic variable-pitch wind driven generation unit | |
| CN102182621A (en) | Sea wind, sea current and sea wave power generating device | |
| CN103912243A (en) | Constant-power energy-saving dragging method of pumping unit | |
| CN103967449A (en) | Operational control system and corresponding control method of hydraulic pumping unit | |
| CN202737804U (en) | Intelligent electricity-saving speed regulation control device of beam-pumping unit | |
| WO2010118777A1 (en) | Apparatus for generating current from natural and renewable energy | |
| CN201735835U (en) | Structure of novel hand-held electric drill | |
| CN102536687A (en) | Low-flow-rate no-load starting device for fans or tide power generation mechanisms | |
| CN202841045U (en) | Power-saving control system for beam-pumping unit | |
| CN102748197B (en) | Hydro-electric generating set | |
| CN206957666U (en) | Crank swing control device of oil pumping unit | |
| CN202602585U (en) | Rotary speed stabilizing system for wind driven generator | |
| CN201092656Y (en) | Micropower traffic railing machine | |
| CN101639049A (en) | Power generation system and method from wind |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110817 |