CN101026306A - External multi-energy distribution energy-saving system for oil field pumping unit - Google Patents

External multi-energy distribution energy-saving system for oil field pumping unit Download PDF

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Publication number
CN101026306A
CN101026306A CNA2007100718642A CN200710071864A CN101026306A CN 101026306 A CN101026306 A CN 101026306A CN A2007100718642 A CNA2007100718642 A CN A2007100718642A CN 200710071864 A CN200710071864 A CN 200710071864A CN 101026306 A CN101026306 A CN 101026306A
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relay
connects
normally
coil
input
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CN100468909C (en
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李伟力
程鹏
陈文彪
高晗缨
曹君慈
张晓晨
沈稼丰
宋德风
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Harbin University of Science and Technology
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Harbin University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/76Power conversion electric or electronic aspects

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Abstract

The invention is in use for solving issue of surplus capacity of energy sources wasted in electric power of supplying energy system matched to pumping units in current oil field caused by when load is larger at starting moment, and load is smaller at normal running. Through two positional diverter switch JSK1-1, primary side of current transformer L1, normally open contacts KM1-1, KM2-1, KM3-1, output ends of power net, and wind generating set are connected to input ends of power supply of electromotor M1, M2, and M3. Through primary side of current transformer L2, and normally open contact KM41-1, output end of solar power plant is connected to input ends of power supply of electromotor M3. In normal operation of pumping unit in oil field, the invention switches power supply from original electric power net to wind power energy or solar energy automatically. The invention uses wind power or solar energy in high efficiency so as to lower operational cost of electrical motor of pumping unit.

Description

The external multi-energy distribution energy-saving system of used for oil-field oil pumper
Technical field
What the present invention relates to is the technical field that existing oil-field oil pumper electric system efficiently utilizes extra power.
Background technology
In existing pumping-unit motor dragging system, very big waste of energy phenomenon appears.The rated power of institute's gas-distributing motor all is constant, and normally matches according to the maximum load in the work period (for example detent torque).And load less (be generally rated power about 20~30%) during the oil pumper operate as normal, motor drags the load of real-time change with constant maximum power capability, certainly will cause the waste of low load with strong power and so on.And the electric power that causes being complementary is supplied with the unnecessary energy capacity of energy resource system existence waste.
Summary of the invention
The present invention be when solving oil pumper in the existing pumping-unit motor dragging system and start during the big operate as normal of load load less, and the electric power that causes being complementary is supplied with the problem that there is the unnecessary energy capacity of waste in energy resource system, and then a kind of external multi-energy distribution energy-saving system of used for oil-field oil pumper is provided.
The present invention comprises current transformer L1, current transformer L2, relay K M1, relay K M2, relay K M3, relay K M4, relay J SK1, detects control circuit 1;
The output of electrical network 2, the end of the normally-closed contact KM1-2 of relay K M1, the end of the normally-closed contact KM2-2 of relay K M2, on the normally closed fixed contact end of two diverter switch JSK1-1 of the end connection relay J SK1 of the normally-closed contact KM3-2 of relay K M3, two diverter switch JSK1-1 of the output connection relay J SK1 of wind turbine generator 3 often open on the fixed contact end, the moving contact end of two diverter switch JSK1-1 of relay J SK1 connects the elementary end of current transformer L1, the other end that current transformer L1 is elementary, the end of the normally opened contact KM1-1 of relay K M1, the end of the normally opened contact KM2-1 of relay K M2 connects the end of the normally opened contact KM3-1 of relay K M3, the other end of the normally opened contact KM1-1 of relay K M1, the other end of the normally-closed contact KM1-2 of relay K M1 connects an input of motor M1 power supply, the other end ground connection of motor M1 power supply, the other end of the normally opened contact KM2-1 of relay K M2, the other end of the normally-closed contact KM2-2 of relay K M2 connects an input of motor M2 power supply, the other end ground connection of motor M2 power supply, the other end of the normally opened contact KM3-1 of relay K M3 connects the end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM3-2 of relay K M3 connects the end of the normally-closed contact KM4-2 of relay K M4, the other end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM4-2 of relay K M4, the end of the normally opened contact KM4-1 of relay K M4 connects an input of motor M3 power supply, the other end ground connection of motor M3 power supply, the other end of the normally opened contact KM4-1 of relay K M4 connects the elementary end of current transformer L2, the elementary other end of current transformer L2 connects the output of solar power plant 4, first current signal of one end joint detection control circuit 1 of L1 level of current transformer detects input, the other end ground connection of L1 level of current transformer, second current signal of one end joint detection control circuit 1 of L2 level of current transformer detects input, the other end ground connection of L2 level of current transformer, the main power source switching controls output that detects control circuit 1 connects an end of relay J SK1 coil, the other end ground connection of relay J SK1 coil, first control output end of detecting control circuit 1 connects an end of relay K M1 coil, the other end ground connection of relay K M1 coil, second control output end of detecting control circuit 1 connects an end of relay K M2 coil, the other end ground connection of relay K M2 coil, the 3rd control output end of detecting control circuit 1 connects an end of relay K M3 coil, the other end ground connection of relay K M3 coil, the 4th control output end of detecting control circuit 1 connects an end of relay K M4 coil, the other end ground connection of relay K M4 coil.
Can automatically former mains supply be converted to by wind-force or solar energy during the oil pumper operate as normal of the present invention in the pumping-unit motor dragging system energy is provided, and then can utilize wind-force or solar energy efficiently, effectively reduce the operating cost of pumping-unit motor, and had advantage simple in structure, cheap for manufacturing cost.
Description of drawings
Fig. 1 is an integrated circuit structural representation of the present invention, and Fig. 2 is the electrical block diagram that detects control circuit 1 among Fig. 1.
Embodiment
Embodiment one: in conjunction with Fig. 1, Fig. 2 present embodiment is described, this embodiment is made up of current transformer L1, current transformer L2, relay K M1, relay K M2, relay K M3, relay K M4, relay J SK1, detection control circuit 1, motor M1, motor M2, motor M3;
The output of electrical network 2, the end of the normally-closed contact KM1-2 of relay K M1, the end of the normally-closed contact KM2-2 of relay K M2, on the normally closed fixed contact end of two diverter switch JSK1-1 of the end connection relay J SK1 of the normally-closed contact KM3-2 of relay K M3, two diverter switch JSK1-1 of the output connection relay J SK1 of wind turbine generator 3 often open on the fixed contact end, the moving contact end of two diverter switch JSK1-1 of relay J SK1 connects the elementary end of current transformer L1, the other end that current transformer L1 is elementary, the end of the normally opened contact KM1-1 of relay K M1, the end of the normally opened contact KM2-1 of relay K M2 connects the end of the normally opened contact KM3-1 of relay K M3, the other end of the normally opened contact KM1-1 of relay K M1, the other end of the normally-closed contact KM1-2 of relay K M1 connects an input of motor M1 power supply, the other end ground connection of motor M1 power supply, the other end of the normally opened contact KM2-1 of relay K M2, the other end of the normally-closed contact KM2-2 of relay K M2 connects an input of motor M2 power supply, the other end ground connection of motor M2 power supply, the other end of the normally opened contact KM3-1 of relay K M3 connects the end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM3-2 of relay K M3 connects the end of the normally-closed contact KM4-2 of relay K M4, the other end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM4-2 of relay K M4, the end of the normally opened contact KM4-1 of relay K M4 connects an input of motor M3 power supply, the other end ground connection of motor M3 power supply, the other end of the normally opened contact KM4-1 of relay K M4 connects the elementary end of current transformer L2, the elementary other end of current transformer L2 connects the output of solar power plant 4, first current signal of one end joint detection control circuit 1 of L1 level of current transformer detects input, the other end ground connection of L1 level of current transformer, second current signal of one end joint detection control circuit 1 of L2 level of current transformer detects input, the other end ground connection of L2 level of current transformer, the main power source switching controls output that detects control circuit 1 connects an end of relay J SK1 coil, the other end ground connection of relay J SK1 coil, first control output end of detecting control circuit 1 connects an end of relay K M1 coil, the other end ground connection of relay K M1 coil, second control output end of detecting control circuit 1 connects an end of relay K M2 coil, the other end ground connection of relay K M2 coil, the 3rd control output end of detecting control circuit 1 connects an end of relay K M3 coil, the other end ground connection of relay K M3 coil, the 4th control output end of detecting control circuit 1 connects an end of relay K M4 coil, the other end ground connection of relay K M4 coil.
Described detection control circuit 1 is made up of the first analog signal amplifier 1-1, the first A/D converter 1-2, single-chip microcomputer 1-3, D/A converter 1-4, photoisolator 1-5, the second A/D converter 1-6, the second analog signal amplifier 1-7;
One end of L1 level of current transformer connects the input input of the first analog signal amplifier 1-1, the signal output part of the first analog signal amplifier 1-1 connects the input end of analog signal of the first A/D converter 1-2, the digital signal output end of the first A/D converter 1-2 connects first digital signal input end of single-chip microcomputer 1-3, one end of L2 level of current transformer connects the input input of the second analog signal amplifier 1-7, the signal output part of the second analog signal amplifier 1-7 connects the input end of analog signal of the second A/D converter 1-6, the digital signal output end of the second A/D converter 1-6 connects second digital signal input end of single-chip microcomputer 1-3, the control data output bus end of single-chip microcomputer 1-3 connects the data input bus (DIB) end of D/A converter 1-4, the multichannel control output end of D/A converter 1-4 all connects the multi-channel input of photoisolator 1-5 respectively, first control output end of photoisolator 1-5 connects an end of relay K M1 coil, second control output end of photoisolator 1-5 connects an end of relay K M2 coil, the 3rd control output end of photoisolator 1-5 connects an end of relay K M3 coil, and the 4th control output end of photoisolator 1-5 connects an end of relay K M4 coil.
Example: start three 35 kilowatts pumping-unit motor operation by electrical network, normally move just 10.5 kilowatts of desired power, 35 kilowatts wind power station just can be supplied with three motors and normally moves so, just can switch to the wind power station and power.Solar power generation stands in when motor not being powered, and can be used for illumination. heating (melting paraffin under the oil well).
Operation principle: detect control circuit 1 control relay KM1, relay K M2, relay K M3 action, make motor M1, motor M2, motor M3 passes through the normally opened contact KM1-1 of relay K M1 respectively, the normally opened contact KM2-1 of relay K M2, two diverter switch JSK1-1 of the normally opened contact KM3-1 of relay K M3 and relay J SK1 are communicated with electrical network and start operation, after the normal operation of motor, detect two diverter switch JSK1-1 actions of control circuit 1 control relay JSK1, with motor M1, motor M2, motor M3 switches in the electric power loop of wind turbine generator, detect control circuit 1 simultaneously and detect the wind turbine generator operating state in real time, when wind turbine generator can only satisfy the two motors operation, detect control circuit 1 control relay KM4 action, motor M3 will switch to by the solar power plant by normally opened contact KM4-1 and power, when the cisco unity malfunction of solar power plant, detect control circuit 1 control relay KM3, relay K M4 action--power-off restoration, motor M3 will switch to by mains supply, when wind turbine generator can only satisfy a motor job, detect control circuit 1 control relay KM2 action--power-off restoration, motor M2 will switch to by mains supply, when the wind turbine generator cisco unity malfunction, detect control circuit 1 control relay KM1, relay K M2, relay K M3 action--power-off restoration makes motor M1, motor M2, motor M3 passes through the normally opened contact KM1-1 of relay K M1 respectively, the normally opened contact KM2-1 of relay K M2, two diverter switch JSK1-1 of the normally opened contact KM3-1 of relay K M3 and relay J SK1 are communicated with electrical network.
The model that the first analog signal amplifier 1-1 selects is ISO1001, the model that the first A/D converter 1-2 selects is ADS830E, the model that single-chip microcomputer 1-3 selects is AT89C2051, the model that D/A converter 1-4 selects is DAC8408, photoisolator 1-5 selects a plurality of models to combine for the HCPL0631 optocoupler, the model that the second A/D converter 1-6 selects is ADS830E, and the model that the second analog signal amplifier 1-7 selects is ISO1001.

Claims (2)

1, the external multi-energy distribution energy-saving system of used for oil-field oil pumper is characterized in that it comprises current transformer L1, current transformer L2, relay K M1, relay K M2, relay K M3, relay K M4, relay J SK1, detects control circuit (1);
The output of electrical network (2), the end of the normally-closed contact KM1-2 of relay K M1, the end of the normally-closed contact KM2-2 of relay K M2, on the normally closed fixed contact end of two diverter switch JSK1-1 of the end connection relay J SK1 of the normally-closed contact KM3-2 of relay K M3, two diverter switch JSK1-1 of the output connection relay J SK1 of wind turbine generator (3) often open on the fixed contact end, the moving contact end of two diverter switch JSK1-1 of relay J SK1 connects the elementary end of current transformer L1, the other end that current transformer L1 is elementary, the end of the normally opened contact KM1-1 of relay K M1, the end of the normally opened contact KM2-1 of relay K M2 connects the end of the normally opened contact KM3-1 of relay K M3, the other end of the normally opened contact KM1-1 of relay K M1, the other end of the normally-closed contact KM1-2 of relay K M1 connects an input of motor M1 power supply, the other end ground connection of motor M1 power supply, the other end of the normally opened contact KM2-1 of relay K M2, the other end of the normally-closed contact KM2-2 of relay K M2 connects an input of motor M2 power supply, the other end ground connection of motor M2 power supply, the other end of the normally opened contact KM3-1 of relay K M3 connects the end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM3-2 of relay K M3 connects the end of the normally-closed contact KM4-2 of relay K M4, the other end of the normally-closed contact KM4-3 of relay K M4, the other end of the normally-closed contact KM4-2 of relay K M4, the end of the normally opened contact KM4-1 of relay K M4 connects an input of motor M3 power supply, the other end ground connection of motor M3 power supply, the other end of the normally opened contact KM4-1 of relay K M4 connects the elementary end of current transformer L2, the elementary other end of current transformer L2 connects the output of solar power plant (4), first current signal of one end joint detection control circuit (1) of L1 level of current transformer detects input, the other end ground connection of L1 level of current transformer, second current signal of one end joint detection control circuit (1) of L2 level of current transformer detects input, the other end ground connection of L2 level of current transformer, the main power source switching controls output that detects control circuit (1) connects an end of relay J SK1 coil, the other end ground connection of relay J SK1 coil, first control output end of detecting control circuit (1) connects an end of relay K M1 coil, the other end ground connection of relay K M1 coil, second control output end of detecting control circuit (1) connects an end of relay K M2 coil, the other end ground connection of relay K M2 coil, the 3rd control output end of detecting control circuit (1) connects an end of relay K M3 coil, the other end ground connection of relay K M3 coil, the 4th control output end of detecting control circuit (1) connects an end of relay K M4 coil, the other end ground connection of relay K M4 coil.
2, the external multi-energy distribution energy-saving system of used for oil-field oil pumper according to claim 1 is characterized in that described detection control circuit (1) is made up of first analog signal amplifier (1-1), first A/D converter (1-2), single-chip microcomputer (1-3), D/A converter (1-4), photoisolator (1-5), second A/D converter (1-6), second analog signal amplifier (1-7);
One end of L1 level of current transformer connects the input input of first analog signal amplifier (1-1), the signal output part of first analog signal amplifier (1-1) connects the input end of analog signal of first A/D converter (1-2), the digital signal output end of first A/D converter (1-2) connects first digital signal input end of single-chip microcomputer (1-3), one end of L2 level of current transformer connects the input input of second analog signal amplifier (1-7), the signal output part of second analog signal amplifier (1-7) connects the input end of analog signal of second A/D converter (1-6), the digital signal output end of second A/D converter (1-6) connects second digital signal input end of single-chip microcomputer (1-3), the control data output bus end of single-chip microcomputer (1-3) connects the data input bus (DIB) end of D/A converter (1-4), the multichannel control output end of D/A converter (1-4) all connects the multi-channel input of photoisolator (1-5) respectively, first control output end of photoisolator (1-5) connects an end of relay K M1 coil, second control output end of photoisolator (1-5) connects an end of relay K M2 coil, the 3rd control output end of photoisolator (1-5) connects an end of relay K M3 coil, and the 4th control output end of photoisolator (1-5) connects an end of relay K M4 coil.
CNB2007100718642A 2007-03-09 2007-03-09 External multi-energy distribution energy-saving system for oil field pumping unit Expired - Fee Related CN100468909C (en)

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CN100468909C CN100468909C (en) 2009-03-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929322A (en) * 2009-06-22 2010-12-29 昆山永恒盛工业技术有限公司 New energy oil pumping machine
CN101958555A (en) * 2010-08-31 2011-01-26 山东力诺太阳能电力工程有限公司 Intelligent control system and method of photovoltaic grid-connected power station
CN103967451A (en) * 2014-04-16 2014-08-06 大连辉腾自动化系统有限公司 Energy-saving off-grid solar photovoltaic power supply system of pumping unit
CN107104507A (en) * 2017-06-09 2017-08-29 南京邮电大学 A kind of method of supplying power to, apparatus and system for oil field
CN114035491A (en) * 2021-11-05 2022-02-11 大庆恒驰电气有限公司 Green intelligent pumping unit system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929322A (en) * 2009-06-22 2010-12-29 昆山永恒盛工业技术有限公司 New energy oil pumping machine
CN101958555A (en) * 2010-08-31 2011-01-26 山东力诺太阳能电力工程有限公司 Intelligent control system and method of photovoltaic grid-connected power station
CN103967451A (en) * 2014-04-16 2014-08-06 大连辉腾自动化系统有限公司 Energy-saving off-grid solar photovoltaic power supply system of pumping unit
CN107104507A (en) * 2017-06-09 2017-08-29 南京邮电大学 A kind of method of supplying power to, apparatus and system for oil field
CN114035491A (en) * 2021-11-05 2022-02-11 大庆恒驰电气有限公司 Green intelligent pumping unit system

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