CN202583847U - Intelligent electricity-saving device of pumping unit - Google Patents
Intelligent electricity-saving device of pumping unit Download PDFInfo
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- CN202583847U CN202583847U CN2012201750834U CN201220175083U CN202583847U CN 202583847 U CN202583847 U CN 202583847U CN 2012201750834 U CN2012201750834 U CN 2012201750834U CN 201220175083 U CN201220175083 U CN 201220175083U CN 202583847 U CN202583847 U CN 202583847U
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- control module
- main control
- oil pumper
- module
- pumping unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an intelligent electricity-saving device of a pumping unit. The electricity-saving device comprises a signal reception module, a master control module, a signal analyzing module and an upper computer. The signal reception module is connected with the master control module which is connected with the signal analyzing module and the upper computer. The intelligent electricity-saving device has the advantages of 1 applying sensor monitoring technology, accurately sensing load changes of the pumping unit, optimizing a control mode, and dynamically adjusting staring and stopping time of the pumping unit and running voltage of an alternating-current motor along load changes; 2 reducing electric energy waste of the pumping unit caused by empty fishing or pump cavitation, and enabling electricity-saving rate to be as high as 30%-80%; 3 conducting real-time fault monitoring, reducing fault occurrence rate and effectively improving relative yield of an oil well; 4 avoiding idle operation, reducing part abrasion and reducing equipment maintenance charge, and 5 having data collection and memory functions and networking, communication and remote-control testing functions, conducting real-time adjustment according to specific operation situations, and being simple in operation and high in intelligentialization degree.
Description
Technical field
The utility model relates to a kind of oil pumper, specifically the oil pumper intelligent energy-saving electric appliance.
Background technology
Continuous exploitation along with crude oil; The stripper well of maturing field is more and more; Oil-poor, oil reservoir is inhomogeneous or the uneven oil well of viscosity of crude uses; Make the empty or empty phenomenon of dragging for of oil pump also more and more serious, reasonably control the operating condition of oil pumper, can reach economize on electricity, prevent the purpose that beam hanger ruptures and the oil pumper wearing and tearing reduce that liquid hammer causes.AC motor drives oil pumper and through moving up and down of sucker rod crude oil is pumped on the ground; The oil pumper overall efficiency is very low; The used for oil extractor electric weight accounts for about 35% of oil extraction cost; Be a high main cause of cost for oil production, thereby realize the Energy Saving Control of oil pumper, significant to reducing cost of winning.
The polished rod load situation of oil pumper is the principal element that influences the oil pumper energy consumption.The main cause that the oil pumper work efficiency is not high is that the torque characteristics of its load character and used AC motor is not complementary, and the load factor of motor is crossed low causes motor with lower efficient operation.The power-saving technology of using on the well on the beam at present is mainly used in above ground portion, and is primarily aimed at that the performance of structure and the actuator (motor and panel box) thereof of oil pumper launches.Generally comprise following four kinds:
1, the variable frequency adjustment device is energy-conservation: change motor speed through changing output frequency, thereby reduce the active power that the terminal voltage of giving motor reduces motor, save electric energy significantly.Its defective is that equipment cost is higher, and control system is complicated, under the rugged surroundings in oil field, works, and its reliability antitheft etc. all is a problem.
2, electric capacity dynamic passive compensation: improve the power factor of motor through the local compensation of motor, improve the utilization factor of electrical network, simple, cost is low.Shortcoming is to reduce active loss, thereby does not reach meritorious purpose of power saving.
3, relay contactor pressure regulating energy-saving: with motor stator winding is delta connection, is that Y connects method during starting, and trigger voltage reduces, and during near nominal torque, changes stator winding into delta connection again.The method control is simple, but power savings is not obvious.
4, silicon-controlled voltage regulation: generally be referred to as the soft start of motor, control the size of voltage through adopting the thyristor voltage regulation circuit, power savings is better; But the source current waveform distorts; Harmonic pollution in electric power net is serious, and under the rugged surroundings in oil field, its reliability etc. all is restricted in addition; The while complex structure, cost is higher.
The ability to work of oil pumper is a changeless amount.For the oil well of production fluid quantity not sufficient, the ability to work of oil pumper is inevitable superfluous, and it is very serious that pump sky or sky drag for phenomenon, can cause pump efficiency very low, causes oil pumper usually to be in the duty of halfload or light load.Traditional solution: one is to use the timer intermittent pumping; The 2nd, lean on regularly start and stop oil pumper of manually-operated.The result finds that adopting these practices is not can not economize on electricity to greatest extent to bring into play the maximum productivity of oil well exactly.
Summary of the invention
To the deficiency of above-mentioned prior art, the purpose of the utility model provides a kind of oil pumper intelligent electric-saving device, and this battery saving arrangement can economize on electricity to greatest extent under the situation that guarantees oil pumper performance maximum productivity.
For realizing above-mentioned purpose, the technical scheme that the utility model proposed is a kind of oil pumper intelligent energy-saving electric appliance, comprises signal receiving module, main control module, signal analyse block and host computer; Said signal receiving module and main control module join, and main control module and signal analyse block and host computer join.
Said signal receiving module comprises level sensor, flow sensor and A/D converter, and said level sensor, flow sensor all join with A/D converter, and A/D converter and main control module join.
Said main control module is the STC89C52 single-chip microcomputer.
Said signal analyse block comprises photoelectric isolating circuit, signal amplification circuit, fuzzy controller, insulated gate bipolar transistor IGBT, AC motor JD and the temperature current testing circuit that joins in order, on AC motor JD, also is connected to three-phase supply; Photoelectric isolating circuit and main control module join, and the temperature current testing circuit also joins with main control module.
Also be connected to serial communication module between said main control module and the host computer.
Electricity principle is following:
1, responds to the variation of oil well down-hole working fluid level automatically through level sensor; Judge with this whether the down-hole has oil (liquid) to aspirate, thereby accurately control the start and stop state of oil pumper, avoided sky to take out generation effectively; Significantly reduce backlash, improve the degree of filling of pump and economize on electricity.
The oil pumper intelligent energy-saving electric appliance is to be the Intellectualized controller on basis with the micro-computer technology, can predict the actual load of oil pumper automatically.When liquid measure in the well accumulates than hang down, quit work from command of execution oil pumper.Have only when liquid measure in the well to return to when satisfying the condition of completely taking out continuously once more, oil pumper just can start once more, has guaranteed that oil pumper does not flog a dead horse, and reduces poor efficiency and invalid extraction.
2, the application traffic sensor is confirmed the degree of filling of pump, and through single-chip microcomputer perception and calculating, the variation of loading according to the down-hole realizes optimal control, has fundamentally solved the problem that the oil pumper poor efficiency extracts, thereby has realized conservation of power effectively.
3, can monitor the operational factor of oil well in real time, in time show and record, and through intellectual analysis, the self feed back parameters optimization draw the optimum operating condition parameter, and oil pumper is pumped with optimum operating condition.
4, upper and lower stroke is discerned in reverse charge feedback automatically.In order to economize on electricity, can use in the oil pumping action with energy storage when oil pumper is done the answer action, carry out power back-off.Adopt the regenerative braking mode, electric energy is fed back to former electrical network.If stroke proceeds to a certain degree when oil pumper occurring and driving the situation of motor, then the terminal voltage on the in good time disable motor of this system is utilized oil pumper to slide and is reached purpose of energy saving, promptly transfers not speed governing all energy-conservation;
5, introduced fuzzy controller, increased soft start function, reduced the impact of frequent starting equipment.And realized adjusting to IGBT pilot angle α, can solve the uncertain problem of plant model preferably.
6, fault detect protection, can be overheated to Guo Dian Ya ﹑ Guo Dian Liu ﹑ Di Dian Ya ﹑ Guo Zai ﹑, self-starting failure protection, report to the police, etc. fault carry out the intellectual monitoring regulating and controlling.
7, data acquisition and memory function, networking and communicate by letter and the remote-control romote-sensing function, and can adapt to the environmental requirement in oil field, simple to operate, intelligent degree is high.
The oil pumper intelligent energy-saving electric appliance is that the pump degree of filling is not enough to economize on electricity with the mode that improves pump efficiency through avoiding, so electricity-saving appliance shows following economize on electricity rule: the pump efficiency of oil pumper is low more just possibly to obtain high more power saving rate; Stripper well obtains high power saving rate more easily than prolific well; The power savings of deep-well can be better than the power savings of shallow well.
Beneficial effect: the utlity model has following advantage:
1, application sensors monitoring technology, through the down-hole liquid level is accumulated with pump in the perception of oil mass, accurate perception oil pumper load variations, optimized Control Mode is dynamically adjusted the time that oil pumper opens, stops and the working voltage of AC motor with load variations.
2, reduce oil pumper and drag for or the empty power dissipation that causes of pump owing to empty, power saving rate is up to 30%～80% (depending on pump efficiency);
3, real time fail monitoring reduces rate of breakdown, optimizes running status, effectively improves the oil well fractional yield;
4, avoid idle operation, reduce component wear, reduce equipment maintenance cost.
5, data acquisition and memory function, networking and communicate by letter and the remote-control romote-sensing function, and can adjust in real time motor according to concrete operating condition, can adapt to the environmental requirement in oil field, simple to operate, intelligent degree is high.
Description of drawings
Fig. 1 is the utility model structured flowchart.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, further illustrate the utility model, present embodiment is being to implement under the prerequisite with the utility model technical scheme, should understand these embodiment only be used to the utility model is described and be not used in the restriction the utility model scope.
As shown in Figure 1; A kind of oil pumper intelligent energy-saving electric appliance comprises level sensor, flow sensor, A/D converter, main control module STC89C52 single-chip microcomputer, photoelectric isolating circuit, signal amplification circuit, fuzzy controller, insulated gate bipolar transistor IGBT, AC motor JD, temperature current testing circuit, three-phase supply, serial communication module, host computer.
Comprise that level sensor and flow sensor join with A/D converter; A/D converter joins and joins with main control module STC89C52 single-chip microcomputer; Main control module STC89C52 single-chip microcomputer joins and also is connected to serial communication module with photoelectric isolating circuit; Serial communication module also joins with host computer, and photoelectric isolating circuit and signal amplification circuit join, and signal amplification circuit and fuzzy controller join; Fuzzy controller and insulated gate bipolar transistor IGBT join; Insulated gate bipolar transistor IGBT and AC motor JD join, and AC motor JD joins with temperature current testing circuit and three-phase supply, and the temperature current testing circuit also joins with main control module STC89C52 single-chip microcomputer.
Above-mentioned each module major function is following:
1, level sensor: for the oil well of production fluid quantity not sufficient, the ability to work of oil pumper is inevitable superfluous, and sky is taken out phenomenon and can be caused pump efficiency very low.Using level sensor to monitor down-hole liquid in real time accumulates; Set the height value of down-hole hydrops liquid level; Make oil pumper between open cycle and oil well fluid supply capacity be complementary, have only in well liquid measure to return to and satisfy once more the condition of oil pumping continuously, oil pumper just can start once more; Guaranteed that oil pumper does not flog a dead horse, reduced poor efficiency or invalid extraction and the waste of energy that causes.
2, flow sensor: the equal ubiquity of oil pumper extracts the problem of ability greater than the oil well actual load, and therefore, pump sky or sky drag for phenomenon and just be accompanied.The empty backlash that increases of pump is wasted a large amount of electric energy.Flow sensor is through the oil mass in the induction monitoring pump; Draw the actual load size of motor; And according to the variation of load factor; Under the situation that satisfies motor operation torque, select the best power point that the electricity consumption of pumping-unit motor is provided automatically, thereby fundamentally eliminated because the invalid extraction that the empty phenomenon of pump is caused.
3, STC89C52: digital processing and intelligent control, but online programming is equivalent to slave computer herein, can in time accept deal with data, and dynamically adjust the supply voltage and the electric current of motor exactly, the output power of motor and load are accurately mated.
4, serial communication module and host computer: through serial communication module, order is controlled in can be artificial directly send, and shows that on screen various signals change (hydraulic pressure, water level, temperature etc.).
6, light is separated: i.e. photoelectric isolating circuit, keep apart interference source and the part that is prone to disturb, be measure and control device and scene only holding signal get in touch, and electric contact does not take place directly.
5, fuzzy controller: realized adjusting, can solve the uncertain problem of plant model preferably to IGBT pilot angle α.Reduced requirement, can under lower peak value condition, produce bigger torque hardware resource.
6, temperature, current detection circuit: through real-time monitoring motor current and variation of temperature, so that the ruuning situation of monitoring oil pumper, reduce time of failure, increase the life-span of motor.
Claims (5)
1. an oil pumper intelligent energy-saving electric appliance is characterized in that: comprise signal receiving module, main control module, signal analyse block and host computer; Said signal receiving module and main control module join, and main control module and signal analyse block and host computer join.
2. according to the said a kind of oil pumper intelligent energy-saving electric appliance of claim 1; It is characterized in that: said signal receiving module comprises level sensor, flow sensor and A/D converter; Said level sensor, flow sensor all join with A/D converter, and A/D converter and main control module join.
3. according to the said a kind of oil pumper intelligent energy-saving electric appliance of claim 1, it is characterized in that: said main control module is the STC89C52 single-chip microcomputer.
4. according to the said a kind of oil pumper intelligent energy-saving electric appliance of claim 1; It is characterized in that: said signal analyse block comprises photoelectric isolating circuit, signal amplification circuit, fuzzy controller, insulated gate bipolar transistor IGBT, AC motor JD and the temperature current testing circuit that joins in order, on AC motor JD, also is connected to three-phase supply; Photoelectric isolating circuit and main control module join, and the temperature current testing circuit also joins with main control module.
5. according to the said a kind of oil pumper intelligent energy-saving electric appliance of claim 1, it is characterized in that: also be connected to serial communication module between said main control module and the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201750834U CN202583847U (en) | 2012-04-24 | 2012-04-24 | Intelligent electricity-saving device of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201750834U CN202583847U (en) | 2012-04-24 | 2012-04-24 | Intelligent electricity-saving device of pumping unit |
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| Publication Number | Publication Date |
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| CN202583847U true CN202583847U (en) | 2012-12-05 |
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| CN2012201750834U Expired - Fee Related CN202583847U (en) | 2012-04-24 | 2012-04-24 | Intelligent electricity-saving device of pumping unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637004A (en) * | 2012-04-24 | 2012-08-15 | 太仓新点石能源科技有限公司 | Intelligent energy-saving device of pumping unit |
| CN106194123A (en) * | 2016-08-30 | 2016-12-07 | 新疆成和天利能源科技股份有限公司 | A kind of oil pumper electric energy optimizing intelligent apparatus and control method |
| CN107124122A (en) * | 2017-06-01 | 2017-09-01 | 合肥尚强电气科技有限公司 | Management and control system for improving safety and energy-saving performance of motor |
-
2012
- 2012-04-24 CN CN2012201750834U patent/CN202583847U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637004A (en) * | 2012-04-24 | 2012-08-15 | 太仓新点石能源科技有限公司 | Intelligent energy-saving device of pumping unit |
| CN106194123A (en) * | 2016-08-30 | 2016-12-07 | 新疆成和天利能源科技股份有限公司 | A kind of oil pumper electric energy optimizing intelligent apparatus and control method |
| CN107124122A (en) * | 2017-06-01 | 2017-09-01 | 合肥尚强电气科技有限公司 | Management and control system for improving safety and energy-saving performance of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140424 |