CN104775792B - Intelligent control oil pumping method and intelligent oil pumping machine - Google Patents
Intelligent control oil pumping method and intelligent oil pumping machine Download PDFInfo
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- CN104775792B CN104775792B CN201410852568.6A CN201410852568A CN104775792B CN 104775792 B CN104775792 B CN 104775792B CN 201410852568 A CN201410852568 A CN 201410852568A CN 104775792 B CN104775792 B CN 104775792B
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- 230000001939 inductive effect Effects 0.000 claims description 27
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- 239000007787 solid Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000003129 oil well Substances 0.000 abstract description 20
- 238000005457 optimization Methods 0.000 abstract description 5
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
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Abstract
The present invention relates to beam pumping unit technical field, it is a kind of intelligent control oil pumping method and intelligent oil pumping machine, the intelligent oil pumping machine includes main motor, retarder, crank, connecting rod, walking beam, balance arm, stent, horse head, base, brake gear, polished rod eye, load transducer, stroke procedure measuring appliance, safety caging device and digitlization switch board, have the characteristics that safe and reliable, realize pumping unit intelligent optimization adjustment jig frequency and balance, oil well output is given full play to, improve system efficiency of pumping well, and with oil field computer network system seamless access, realize data remote and the control of remote switch well, simplify operation, it is convenient and efficient, save artificial, energy-saving and emission-reduction and increase economic efficiency.
Description
Technical field
The present invention relates to beam pumping unit technical field, is a kind of intelligent control oil pumping method and intelligent oil pumping machine.
Background technology
Existing beam pumping unit mainly has：Conventional type beam pumping unit, prefix type beam pumping unit, eccentrically arranged type trip
Girder-like oil pump and Hetrotype travelling beam type oil extractor etc., at present beam pumping unit generally comprise horse head, walking beam, stent, connecting rod, bottom
Seat, crank, balancing device, retarder, brake, motor and polished rod eye, be installed with base stent, retarder, brake,
Motor and switch board etc., walking beam is hinged on stent, and crank is fixedly mounted on reducer output shaft, and one end of connecting rod is hinged on
On crank, the other end of connecting rod is hinged on walking beam, and material is thus formed quadric chain, horse head is installed on the front end of walking beam,
Polished rod eye is installed on horse head；Balancing device is installed on crank, or/and, balancing device is installed on walking beam, by manually adding
Subtract counterweight amount of substance change trimming moment and carry out adjustment；Or/and by artificial mobile counterweight object location change trimming moment come
Adjustment；But all there are the notable deficiency of two aspects for existing beam pumping unit：When, it is impossible to jig frequency is adjusted automatically, is caused
The oil pumping ability of pumping unit is frequently above or the oil production less than oil well, if the jig frequency of pumping unit is too fast to cause oil pumping ability
Higher than the oil production of oil well, empty pumping and liquid hammer are caused, damage pumping unit, sucker rod, oil well pump, reduce the service life, and waste
Electric energy, if the jig frequency of pumping unit can cause oil pumping ability to be less than the oil production of oil well slowly excessively, reduces oil well output；Second, no
Energy automatic adjusting balance, and balance needs and be adjusted in time according to the change of oil well load, if balanced ratio is too low, can cause to take out
Oil machine working status deteriorates and power consumption increase.
The content of the invention
The present invention provides a kind of intelligent control oil pumping method and intelligent oil pumping machine, overcome the above-mentioned prior art no
Foot, it, which can effectively solve existing beam pumping unit, cannot adjust jig frequency automatically and be unable to automatic adjusting balance, cause jig frequency and oil well
Oil production mismatches, balanced ratio is low, causes pumping unit easily to break down, oil well is difficult to realize maximum production capacity and production cost is high
Problem.
One of technical scheme is realized by following measures：A kind of intelligent control oil pumping method, including
Main motor, walking beam, balance arm, crank and polished rod eye；Balance arm is installed with the left end of walking beam, on balance arm
Be separately installed with portable ballast box and the driving device that can move left and right portable ballast box, further include central processing unit and
Three phase electrical parameters harvester, the three phase electrical parameters harvester are installed on energization input；In main motor and supply input
Frequency converter is installed between end, load transducer is installed with polished rod eye and is used to gather polished rod load value F, in intelligent oil pumping
Stroke procedure measuring appliance is installed on machine to be used to gather suspension point shift value S；
This method carries out in the steps below：
The first step, in each stroke procedure, central processing unit is according to the polished rod load value F and suspension point displacement collected
Value S is analyzed and is calculated surface dynamometer card, its ordinate is the coordinate of polished rod polished rod load value F in oil pumping process,
Abscissa is the coordinate of polished rod suspension point shift value S in oil pumping process, and central processing unit gathers upstroke according to surface dynamometer card
The effective stroke value S2 of stroke value S1 and the down stroke pump of pump, then calculates pump degree of filling H3, that is, H3=S2/S1；
Second step, obtains N number of pump by the number of strokes n times of setting and is full of angle value H3, N number of pump is calculated full of angle value H3
Pump degree of filling average value H3 is obtained after art is averageIt is average, processing is then compared, pump degree of filling lower limit set value is A31, and pump fills
It is A32 that full scale, which adjusts target lower limit set value, and pump degree of filling upper limit set value is B31；
After n times stroke, H3It is averageValue meets A31≤H3It is average≤ B31 is the appropriate state of jig frequency, is adjusted without jig frequency；
After n times stroke, H3It is averageIt is the too fast state of jig frequency during less than A31, main motor rotating speed is reduced by frequency converter at this time
And reduce jig frequency, make pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31；
After n times stroke, H3It is averageIt is the excessively slow state of jig frequency during more than B31, main motor rotating speed is raised by frequency converter at this time
And increase jig frequency, make pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31。
Here is the further optimization and/or improvements to one of foregoing invention technical solution：
It is above-mentioned that the data that stroke procedure measuring appliance, three phase electrical parameters harvester collect are transferred to central processing respectively
Device, central processing unit are handled the current value collected in each stroke procedure, find out the maximum electricity in down stroke
Flow valuve ILower maxWith the maximum current value I in upstrokeUpper max, the current balance type angle value H1 of each stroke procedure of central processing unit calculating
That is H1=ILower max / IUpper max；
N number of current balance type angle value H1 is obtained by setting number of strokes n times, carrying out arithmetic to N number of current balance type angle value H1 puts down
Current balance type degree average value H1 is obtained afterwardsIt is average, then it is compared processing, current balance type degree lower limit set value is A11, electric current
It is A12 that the degree of balance, which adjusts target lower limit set value, and current balance type degree upper limit set value is B11, and current balance type degree is adjusted in target
Limit setting value is B12；
After n times stroke, H1It is averageValue meets A11≤H1It is average≤ B11 is current balance type state, not to portable ballast box into
Row is adjusted；
After n times stroke, H1It is averageIt is electric current under-balanced state during less than A11, matches somebody with somebody movable type by driving device at this time
Loaded van is moved to the left, and makes current balance type degree average value H1It is averageReach A12≤H1It is average≤B12；
After n times stroke, H1It is averageIt is electric current overbalance state during more than B11, matches somebody with somebody movable type by driving device at this time
Loaded van moves right, and makes current balance type degree average value H1It is averageReach A12≤H1It is average≤B12。
It is above-mentioned in each stroke procedure, central processing unit calculates the current value and magnitude of voltage that collect, obtains
Average power content P into down strokeUnderWith the average power content P in upstrokeOn, and carry out size comparison, using higher value as point
Mother is PGreatly, using smaller value as molecule, that is, PIt is small, then calculate power-balance angle value H2, that is, H2=PIt is small /PGreatly；
N number of power-balance angle value H2 is obtained by the number of strokes n times of setting, arithmetic is carried out to N number of power-balance angle value H2
Power-balance degree average value H2 is obtained after averageIt is average, then it is compared processing, power-balance degree lower limit set value is A21, work(
It is A22 that the rate degree of balance, which adjusts target lower limit set value,；
After n times stroke, H2It is averageValue meets A21≤H2It is averageFor power-balance state, portable ballast box is not adjusted
Section；
After n times stroke, H2It is averageValue is less than A21 and PUnderLess than POnWhen be power under-balanced state, at this time pass through drive dress
Putting is moved to the left portable ballast box, makes power-balance degree average value H2It is averageReach A22≤H2It is average；
After n times stroke, H2It is averageValue is less than A21 and PUnderMore than POnWhen be power overbalance state, at this time pass through drive dress
Putting makes portable ballast box move right, and makes power-balance degree average value H2It is averageReach A22≤H2It is average。
Above-mentioned A11 values be 0.8 to 0.85, A12 values be 0.9 to 0.95, B11 values be 1.10 to 1.15, B12 values be 1.0 to
1.05；Or/and A21 values are that 0.5 to 0.6, A22 values are 0.80 to 0.90；Or/and A31 values are for 0.5 to 0.6, A32 values
0.75 to 0.85, B31 value are 0.85 to 0.95.
Numbers of the above-mentioned number of strokes N set as setting；Or/and stroke procedure measuring appliance is on walking beam
Angular displacement sensor is to be fixedly mounted on being passed close to switch or for the suspension point displacement detecting on polished rod eye on crank
Sensor；Or/and three phase electrical parameters harvester is electrical parameter dynamic equilibrium tester or current transformer.
The two of technical scheme are realized by following measures：A kind of intelligent oil pumping machine, including main motor,
Retarder, crank, connecting rod, walking beam, balance arm, stent, horse head, base, brake gear, polished rod eye and stroke procedure measurement
Device；Main motor, retarder, brake gear and stent are installed with base, the walking beam that can be swung up and down passes through middle part
Walking beam bearing is hinged on the top of stent, and crank is provided with the power output shaft of retarder, and lower end and the crank of connecting rod are cut with scissors
It is connected together, the upper end of connecting rod is hinged on the left part of walking beam, and the right end of walking beam is installed with horse head, hanging rope is provided with horse head
Device, balance arm is installed with the left end of walking beam, is separately installed with portable ballast box on balance arm and can be made shifting
The driving device that dynamic formula ballast box moves left and right, is provided with counterweight on crank.
Here is two further optimization and/or improvements to foregoing invention technical solution：
Above-mentioned driving device includes the retarder with balance motor, leading screw and screw, and the retarder with balance motor is fixed
On balance arm, lead screw shaft bearings are installed with one end of balance arm, are fixed in the other end of balance arm
Leading screw asessory shaft bearing is installed, the both ends of leading screw are separately mounted in lead screw shaft bearings and leading screw asessory shaft bearing, leading screw
One end is fixedly installed togather by the power output end of shaft coupling and the retarder with balance motor, and silk is provided with leading screw
Mother, portable ballast box are in saddle, there is straight slot at its middle part, and leading screw is passed through out of portable ballast box straight slot, in movable type
Four fixed blocks are installed with ballast box, cross recess is formed between four fixed blocks, screw is installed in cross recess
And can float up and down, the cover board that can block screw is installed with the outer end of fixed block, is set on balance arm
There is slide, roller is installed on the inside of portable ballast box, roller is located on slide；Or/and fixed in balance arm left end
Fixed weight case is installed；Or/and safety caging device is installed on balance arm and portable ballast box, this is limited safely
Position device includes tablet, down stroke inductive switch and up stroke inductive switch；Or/and stroke procedure measuring appliance be installed in
Angular displacement sensor on walking beam or for be fixedly mounted on crank close to switch or for the suspension point position on polished rod eye
Move detection sensor；Portable ballast box includes movable case and movable weight；Partition plate is fixed with movable case and will be moved
Case is divided into fixed weight chamber and moving counterweight chamber, is filled with fixed weight thing in fixed weight intracavitary, pacifies in moving counterweight chamber
Equipped with movable weight, the insurance bar that can block movable weight is installed with movable case.
Above-mentioned polished rod eye includes hanging rope body, load transducer and hanging rope；Load transducer is installed on hanging rope body.
It is above-mentioned that Digital Control cabinet is installed with base, it is installed with central processing in Digital Control cabinet
Device, communication module, power module, display module, electricity quantity module, three phase electrical parameters harvester, control panel, start-up and shut-down control after
Electric appliance, frequency converter, main motor frequency-changing AC contactor, main motor industrial frequency AC contactor, comprehensive protector of motor, balancing control
Relay, balance motor A.C. contactor and current transducer processed；The signal output part of load transducer passes through load transducer
Cable and the first signal input part of lower connecting cable and central processing unit are electrically connected, the signal of stroke procedure measuring appliance
Output terminal is electrically connected by movable cable and the secondary signal input terminal of lower connecting cable and central processing unit, flat in band
Current transducer, the signal output part and central processing of current transducer are installed on the power input line of the retarder of weighing apparatus motor
3rd signal input part of device is electrically connected by conducting wire, and the signal of down stroke inductive switch and up stroke inductive switch is defeated
Outlet is connected electrically in one by upper connecting cable, movable cable and the 4th signal input part of lower connecting cable and central processing unit
Rise, the signal output part of down stroke inductive switch and up stroke inductive switch passes through upper connecting cable, movable cable and lower connection
The signal input part of cable and balancing control relay is electrically connected, the first signal output part and tune of central processing unit
Balance control relay signal input part be electrically connected by conducting wire, balancing control relay signal output part and
The signal input part of balance motor A.C. contactor is electrically connected by conducting wire, the output terminal of balance motor A.C. contactor
It is electrically connected with the input terminal of balance motor by conducting wire, the output terminal and current transducer of balance motor A.C. contactor
Signal input part be electrically connected by conducting wire, the secondary signal output terminal of central processing unit and start-up and shut-down control relay
Signal input part is electrically connected by conducting wire, signal output part and main motor the industrial frequency AC contact of start-up and shut-down control relay
The signal input part of device is electrically connected by conducting wire, the input of the output terminal and main motor of main motor industrial frequency AC contactor
End is electrically connected by conducting wire, the signal output part of start-up and shut-down control relay and the signal of main motor frequency-changing AC contactor
Input terminal is electrically connected by conducting wire, and the output terminal of main motor frequency-changing AC contactor and the input terminal of main motor are by leading
Line is electrically connected.
The above-mentioned left end in the reducer power output shaft with balance motor is fixed with square head or six square toes, in balance crane
Crank support base is installed with arm；Or/and belt pulley fast replacing device is installed on base, belt pulley fast replacing device
Lower end is hinged on base, and main motor is installed with the upper surface of belt pulley fast replacing device；Or/and three phase electrical parameters are adopted
Packaging is set to electrical parameter dynamic equilibrium tester or current transformer.
Reasonable and compact in structure of the present invention, it is easy to use, by main motor, retarder, connecting rod, walking beam, stent, horse head,
Polished rod eye, load transducer, angular displacement sensor, safety caging device and digitlization switch board are used cooperatively, not only according to
The change automatic adjustment beam-pumping unit jig frequency of degree of filling is pumped, and portable ballast box is moved left and right on balance arm, automatically
The polished rod load under various operating modes is balanced, has the characteristics that safe and reliable, operation is facilitated, has given full play to oil well output, carry
High balanced ratio, realizes energy-saving.
Brief description of the drawings
Attached drawing 1 is the main structure diagram of the embodiment of the present invention 2.
Attached drawing 2 is the main view enlarged structure schematic diagram that arm is balanced in the embodiment of the present invention 2.
Attached drawing 3 is the A of portable ballast box in the embodiment of the present invention 2 to enlarged structure schematic diagram.
Attached drawing 4 is that portable ballast box is fitted without the A of cover board to enlarged structure schematic diagram in the embodiment of the present invention 2.
Attached drawing 5 is the circuit control schematic diagram of the embodiment of the present invention 2.
Attached drawing 6 is the indicator card under the too fast state of jig frequency of the present invention.
Attached drawing 7 is the indicator card under the appropriate state of jig frequency of the present invention.
Attached drawing 8 is the indicator card under the excessively slow state of jig frequency of the present invention.
Attached drawing 9 is power under-balanced state of the present invention and the electricity ginseng curve of electric current under-balanced state.
Attached drawing 10 joins curve for the electricity of power-balance state of the present invention and current balance type state.
Attached drawing 11 joins curve for the electricity of power overbalance state of the present invention and electric current overbalance state.
Coding in attached drawing is respectively：1 is polished rod eye, and 2 be horse head, and 3 be walking beam, and 4 be walking beam bearing, and 5 be stent, and 6 are
Connecting rod, 7 be balance arm, and 8 be retarder, and 9 be crank, and 10 be hand crank, and 11 be counterweight, and 12 be base, and 13 be brake dress
Put, 14 be Digital Control cabinet, and 15 be main motor, and 16 be angular displacement sensor, and 17 be load transducer, and 18 be load transducer
Cable, 19 be movable cable, and 20 be upper connecting cable, and 21 be lower connecting cable, and 22 be square head, and 23 be subtracting with balance motor
Fast device, 24 be shaft coupling, and 25 be lead screw shaft bearings, and 26 be leading screw, and 27 be slide, and 28 be portable ballast box, and 29 be screw, 30
It is cover board for fixed block, 31,32 be fastening bolt, and 33 be leading screw asessory shaft bearing, and 34 be up stroke inductive switch, and 35 be sensing
Plate, 36 be movable weight, and 37 be insurance bar, and 38 be down stroke inductive switch, and 39 be movable case buffer stopper, and 40 be block,
41 be roller, and 42 be fixed weight thing, and 43 be crank support base.
Embodiment
The present invention from following embodiments limitation, can technique according to the invention scheme and actual conditions determine specifically
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each component is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the cloth according to Figure of description 1
Figure direction is come definite.
With reference to embodiment and attached drawing, the invention will be further described：
Embodiment 1, as shown in attached drawing 6,7,8, the intelligent control oil pumping method, including intelligent oil pumping machine, this is intelligently pumped
Machine includes main motor 15, walking beam 3, balance arm 7, crank 9 and polished rod eye 1；Balance arm is installed with the left end of walking beam 3
7, the driving dress for being separately installed with portable ballast box 28 on balance arm 7 and moving left and right portable ballast box 28
Put, further include central processing unit and three phase electrical parameters harvester, which is installed on energization input
On；Frequency converter is installed between main motor 15 and energization input, load transducer 17 is installed with polished rod eye 1 and is used for
Polished rod load value F is gathered, stroke procedure measuring appliance is installed on intelligent oil pumping machine and is used to gather suspension point shift value S；
This method carries out in the steps below：
The first step, in each stroke procedure, central processing unit is according to the polished rod load value F and suspension point displacement collected
Value S is analyzed and is calculated surface dynamometer card, its ordinate is the coordinate of polished rod polished rod load value F in oil pumping process,
Abscissa is the coordinate of polished rod suspension point shift value S in oil pumping process, and central processing unit gathers upstroke according to surface dynamometer card
The effective stroke value S2 of stroke value S1 and the down stroke pump of pump, then calculates pump degree of filling H3, that is, H3=S2/S1；
Second step, obtains N number of pump by the number of strokes n times of setting and is full of angle value H3, N number of pump is calculated full of angle value H3
Pump degree of filling average value H3 is obtained after art is averageIt is average, processing is then compared, pump degree of filling lower limit set value is A31, and pump fills
It is A32 that full scale, which adjusts target lower limit set value, and pump degree of filling upper limit set value is B31；
After n times stroke, H3It is averageValue meets A31≤H3It is average≤ B31 is the appropriate state of jig frequency, is adjusted without jig frequency；
After n times stroke, H3It is averageIt is the too fast state of jig frequency during less than A31, main motor rotating speed is reduced by frequency converter at this time
And reduce jig frequency, make pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31；
After n times stroke, H3It is averageIt is the excessively slow state of jig frequency during more than B31, main motor rotating speed is raised by frequency converter at this time
And increase jig frequency, make pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31。
The suspension point displacement during stroke is acquired by stroke procedure measuring appliance, is liquidated by load transducer 17
Polished rod load during journey is acquired, and the above-mentioned data collected are handled by central processing unit, obtain three kinds
State diagram, is respectively the indicator card such as attached drawing 7 of indicator card as shown in Figure 6, under the appropriate state of jig frequency under the too fast state of jig frequency
Indicator card under the excessively slow state of shown, jig frequency is as shown in Figure 8.
Above-described embodiment 1 can be made further optimization and/or improvements according to actual needs：
As shown in attached drawing 9,10,11, the data that respectively collect stroke procedure measuring appliance, three phase electrical parameters harvester
Central processing unit is transferred to, central processing unit handles the current value collected, find out down in each stroke procedure
Maximum current value I in strokeLower maxWith the maximum current value I in upstrokeUpper max, each stroke procedure of central processing unit calculating
Current balance type angle value H1, that is, H1=ILower max / IUpper max；
N number of current balance type angle value H1 is obtained by setting number of strokes n times, carrying out arithmetic to N number of current balance type angle value H1 puts down
Current balance type degree average value H1 is obtained afterwardsIt is average, then it is compared processing, current balance type degree lower limit set value is A11, electric current
It is A12 that the degree of balance, which adjusts target lower limit set value, and current balance type degree upper limit set value is B11, and current balance type degree is adjusted in target
Limit setting value is B12；
After n times stroke, H1It is averageValue meets A11≤H1It is average≤ B11 is current balance type state, not to portable ballast box 28
It is adjusted；
After n times stroke, H1It is averageIt is electric current under-balanced state during less than A11, matches somebody with somebody movable type by driving device at this time
Loaded van 28 is moved to the left, and makes current balance type degree average value H1It is averageReach A12≤H1It is average≤B12；
After n times stroke, H1It is averageIt is electric current overbalance state during more than B11, matches somebody with somebody movable type by driving device at this time
Loaded van 28 moves right, and makes current balance type degree average value H1It is averageReach A12≤H1It is average≤B12。
The electric current during stroke and voltage are acquired by three phase electrical parameters harvester, can be obtained respectively after collection
To three kinds of state diagrams, be respectively power under-balanced state and electric current under-balanced state electricity ginseng curve as shown in Figure 9, power puts down
The electricity ginseng curve of weighing apparatus state and current balance type state as shown in Figure 10, the electricity of power overbalance state and electric current overbalance state
Join curve as shown in Figure 11.
As shown in attached drawing 9,10,11, in each stroke procedure, central processing unit is to the current value and voltage that collect
Value is calculated, and obtains the average power content P in down strokeUnderWith the average power content P in upstrokeOn, and size comparison is carried out,
Using higher value as denominator, that is, PGreatly, using smaller value as molecule, that is, PIt is small, then calculate power-balance angle value H2, that is, H2=PIt is small /PGreatly；
N number of power-balance angle value H2 is obtained by the number of strokes n times of setting, arithmetic is carried out to N number of power-balance angle value H2
Power-balance degree average value H2 is obtained after averageIt is average, then it is compared processing, power-balance degree lower limit set value is A21, work(
It is A22 that the rate degree of balance, which adjusts target lower limit set value,；
After n times stroke, H2It is averageValue meets A21≤H2It is averageFor power-balance state, portable ballast box 28 is not carried out
Adjust；
After n times stroke, H2It is averageValue is less than A21 and PUnderLess than POnWhen be power under-balanced state, at this time pass through drive dress
Putting is moved to the left portable ballast box 28, makes power-balance degree average value H2It is averageReach A22≤H2It is average；
After n times stroke, H2It is averageValue is less than A21 and PUnderMore than POnWhen be power overbalance state, at this time pass through drive dress
Putting makes portable ballast box 28 move right, and makes power-balance degree average value H2It is averageReach A22≤H2It is average。
The electric current during stroke and voltage are acquired by three phase electrical parameters harvester, can be obtained respectively after collection
To three kinds of state diagrams, be respectively power under-balanced state and electric current under-balanced state electricity ginseng curve as shown in Figure 9, power puts down
The electricity ginseng curve of weighing apparatus state and current balance type state as shown in Figure 10 with power overbalance state and electric current overbalance state
Electricity ginseng curve is as shown in Figure 11.
As needed, A11 values are that 0.8 to 0.85, A12 values are that 0.9 to 0.95, B11 values are that 1.10 to 1.15, B12 values are
1.0 to 1.05；Or/and A21 values are that 0.5 to 0.6, A22 values are 0.80 to 0.90；Or/and A31 values are 0.5 to 0.6, A32 values
It is 0.85 to 0.95 for 0.75 to 0.85, B31 values.
POnFor the average power content in upstroke, PUnderFor the average power content in down stroke, IUpper maxFor upstroke main motor
15 maximum current values, ILower maxFor 15 maximum current value of down stroke main motor, electrical parameter dynamic equilibrium tester transfers data to
Central processing unit obtains power-balance degree H2, current balance type degree H1.
The calculating and analysis of pump degree of filling H3 needs to use the effective stroke of the stroke value S1 of upstroke pump and down stroke pump
The exact value of value S2, S1 and S2 should be obtained from pump dynamometers, and pump is installed on oil pipe lower end, often away from ground in production practices
The even thousands of rice of depth hundreds of, it is difficult to directly obtain the indicator card of pump, therefore obtain approximate S1 values usually using ground work(figure
With S2 values.Surface dynamometer card is a pumping cycle（Including complete a upstroke and down stroke）Interior suspension point displacement S and right
The closed curve that the polished rod load F answered is formed, abscissa is suspension point displacement S, and ordinate is polished rod load F.Stroke procedure measures
Device and load transducer respectively pass through the analog electrical energy of the suspension point displacement S directly measured, polished rod load F in central processing unit
Modular converter is converted to digital electricity, and central processing unit is gathered suspension point displacement S by constant duration at the same time and corresponding suspension point carries
The digital electricity of lotus F forms a series of point data, while software logic identifies the institute of the S and F in a complete pumping cycle
There is point data, handled by graphics software so as to get surface dynamometer card, as shown in attached drawing 6,7,8, pass through indicator card data
Spot scan, which searches to calculate, pumps the near of effective stroke S2 during upstroke during the approximation and down stroke of pump stroke S1
Like value.
System efficiency of pumping well, rod-pumped well can be calculated by central processing unit or upper station control computer by the present invention
System effectiveness can be calculated by following two methods：
System efficiency of pumping well computational methods one
System efficiency of pumping well ηSystemRefer to effective work done and the pumping well system that down-hole liquid is given rise to ground
The ratio between input energy.That is the effective power P of rod-pumped welleWith input power PiRatio：
ηSystem=(Pe/PiThe formula of) × 100%（1）
Formula（1）In：
ηSystemFor system effectiveness, %；/ it is the division sign；PiFor the input power of rod-pumped well, refer to the total input of motor of oil extractor
Power, can be calculated by central processing unit or frequency converter metering obtains, kW；PeFor the effective power of rod-pumped well, refer to downhole oil
Liquid gives rise to the required power in ground, kW.
The effective power P of rod-pumped welleIt is calculated as follows：
Pe=(QIt is actual× H × ρ × g)/86400 formula（2）
Formula（2）In：
PeFor the effective power of rod-pumped well, kW；QIt is actual, can be by single well metering device meter for the actual daily output fluid amount of oil well
Measure or oil recovery factory's production leadtime data provide, m3/d；H is effective head, can be measured simultaneously by well fluid level echo device
Calculating obtains, m；ρ is oil well fluid density, can be detected and provided by oil recovery factory's oil product, t/m3,；G is acceleration of gravity, g=9.8m/
s2；/ it is the division sign.
Wherein, effective head H is calculated as follows：
H=Hd+ (（Po-Pt）× 1000)/(ρ × g) formula（3）
Formula（3）In：
HdFor fluid level depth of oil well, can be measured by well fluid level echo device, m；Po, can be by numeral for well head oil pressure
Change gauge measurement or oil recovery factory's creation data provides, Mpa；PtFor surface casing pressure, it can be measured or recovered the oil by numerical pressure table
Factory's creation data provides, Mpa；/ it is the division sign.
System efficiency of pumping well computational methods two：
System efficiency of pumping well ηSystemThe surface efficiency η of pumping unit can be passed throughGroundWith Downhole efficiency ηUndergroundProduct obtain
Arrive.
ηSystem=（ηGround×ηUnderground）× 100% formula（4）
Formula（4）In：
ηGroundFor surface efficiency, %；ηUndergroundFor Downhole efficiency, %；
Wherein, surface efficiency：
ηGround= （PPolished rod/ Pi）× 100% formula（5）
Downhole efficiency：
ηUnderground= （Pe/ PPolished rod）× 100% formula（6）
Formula（5）In：PPolished rodFor polished rod horsepower, kW；
Wherein, polished rod horsepower：
PPolished rod=SWork(× n/60 formulas（7）
Formula（7）In：SWork(For surface dynamometer card area, kN ﹒ m；N is beam-pumping unit jig frequency, n/min.
Rod-pumped well pump efficiency η can be calculated by central processing unit or upper station control computer by the present inventionPump efficiency, pump efficiency is to take out
The actual Liquid output Q of oil machine wellIt is actualWith the theoretical lifting rate Q of pumpIt is theoreticalRatio.
ηPump efficiency=（QIt is actual/QIt is theoretical）× 100% formula（8）
Formula（8）In：ηPump efficiencyFor pump efficiency, %；/ it is the division sign；QIt is actual, can be by single well metering device meter for the actual daily fluid production rate of oil well
Measure or oil recovery factory's production leadtime data provide, m3/d；QIt is theoreticalFor the theoretical lifting rate of pump, m3/d；.
Wherein：QIt is theoretical=1.1304×10-3×S×n×D2Formula（9）
Formula（9）In：S is pumping unit stroke, m；N is jig frequency, n/min；D is to pump footpath, mm.
It is the process that an energy is constantly transmitted and converted when pumping unit system works, and each transmit of energy has
Certain loss；System efficiency of pumping well is to weigh the leading indicator of oil well energy consumption and working condition, the pumping in each oil field in China
Oil machine well system effectiveness is generally relatively low, and only 20% or so, there is an urgent need for improve for the production management level and cost benefit in oil field.Take
Effective energy conservation measure, improves system efficiency of pumping well, can reduce a ton liquid power consumption, increase input-output ratio, same to time delay
Leader, bar, the service life of pump, obtain the economic benefit of higher, are one of the core objectives that oil extraction in oil field production is pursued all the time.
Pump efficiency is the ratio of the actual Liquid output and the theoretical lifting rate of pump of rod-pumped well, and improving pump efficiency means that oil well supplies
Crude output increase in unit interval when liquid energy power is sufficient, while system efficiency of pumping well can be effectively improved, reduce energy consumption.
As needed, the pumping unit number of strokes N in the present invention is the number of setting；Or/and stroke procedure measuring appliance is
Angular displacement sensor 16 on walking beam 3 or for be fixedly mounted on crank 9 close to switch or for installed in polished rod eye 1
On suspension point displacement detecting sensor；Or/and three phase electrical parameters harvester is mutual for electrical parameter dynamic equilibrium tester or electric current
Sensor.
Embodiment 2, as shown in attached drawing 1,2,3,4, which includes main motor 15, retarder 8, crank 9, connecting rod
6th, walking beam 3, balance arm 7, stent 5, horse head 2, base 12, brake gear 13, polished rod eye 1 and stroke procedure measuring appliance；The bottom of at
Main motor 15, retarder 8, brake gear 13 and stent 5 are installed with seat 12, the walking beam 3 that can be swung up and down passes through middle part
Walking beam bearing 4 be hinged on the top of stent 5, crank 9 is installed on the power output shaft of retarder 8, the lower end of connecting rod 6 with
Crank 9 is hinged, and the upper end of connecting rod 6 is hinged on the left part of walking beam 3, and the right end of walking beam 3 is installed with horse head 2, horse head 2
On polished rod eye 1 is installed, the left end of walking beam 3 be installed with balance arm 7, balance arm 7 on be separately installed with movement
Formula ballast box 28 and the driving device that portable ballast box 28 moves left and right can be made, counterweight 11 is provided with crank 9.This
Sample, counterweight 11 can be both solidificated on crank 9, can be also fixedly mounted on by bolt and nut on crank 9, flat by increasing and decreasing
The balance of coarse adjustment pumping unit is carried out in the quantity of weighing apparatus hammer 11 or the position of shifting balance hammer 11.
Above-described embodiment 2 can be made further optimization and/or improvements according to actual needs：
As shown in attached drawing 1,2,3,4, driving device includes the retarder 23 with balance motor, leading screw 26 and screw 29, band
The retarder 23 of balance motor is fixedly mounted on balance arm 7, and lead screw shaft bearings are installed with one end of balance arm 7
25, leading screw asessory shaft bearing 33 is installed with the other end of balance arm 7, the both ends of leading screw 26 are separately mounted to lead screw shaft
In bearing 25 and leading screw asessory shaft bearing 33, one end of leading screw 26 is dynamic by shaft coupling 24 and the retarder 23 with balance motor
Power output terminal is fixedly installed togather, and screw 29 is provided with leading screw 26, and portable ballast box 28 is in saddle, its middle part has
Straight slot, leading screw 26 are passed through out of portable ballast box 28 straight slot, and four fixations are installed with portable ballast box 28
Block 30, forms cross recess between four fixed blocks 30, and screw 29 is installed in cross recess and can float up and down,
The outer end of fixed block 30 is installed with the cover board 31 that can block screw, slide 27 is provided with balance arm 7, in movable type
The inner side of ballast box 28 is provided with roller 41, and roller 41 is located on slide 27；Or/and it is installed with balance 7 left end of arm
Fixed weight case；Or/and safety caging device is installed on balance arm 7 and portable ballast box 28, safe spacing dress
Put including tablet 35, down stroke inductive switch 38 and up stroke inductive switch 34；Or/and stroke procedure measuring appliance is installation
Angular displacement sensor 16 on walking beam 3 or for be fixedly mounted on crank 9 close to switch or on polished rod eye 1
Suspension point displacement detecting sensor；Or/and portable ballast box 28 includes movable case and movable weight 36；It is solid in movable case
Surely there is partition plate and movable case is divided into fixed weight chamber and moving counterweight chamber, fixed weight thing is filled with fixed weight intracavitary
42, movable weight 36 is installed in moving counterweight chamber, movable weight 36 can be blocked by being installed with movable case
Insure bar 37.Movable case buffer stopper 39 is installed with the left end of balance arm 7, peace is fixed in the left end of balance arm 7
Equipped with block 40.In this way, by 23 forward or reverse of retarder with balance motor, shaft coupling 24 drives leading screw 26 to rotate, silk
Mother 29 drives portable ballast box 28 to be moved left and right on balance arm 7, so as to balance the change of polished rod load in pumping process.
Four rolling 41 is installed in the inner side of portable ballast box 28, preferably plays support and guiding role.When portable counterweight
Case 28 is moved to the both ends of balance arm 7, and the tablet 35 on ballast box senses close to up stroke inductive switch 34 or down stroke
When switching 38, down stroke inductive switch or up stroke inductive switch send spacing stop signal, pass through central processing unit, balancing
Control relay, retarder 23 of the balance motor A.C. contactor control with balance motor shut down, and make portable ballast box
28 stop movement；Up stroke inductive switch 34 and down stroke inductive switch 38 cooperate with tablet 35, match somebody with somebody for movable type
The position limitation protection of 28 or so stroke of loaded van；Three crank pin holes are provided with crank 9, are used for adjusting stroke.In fixed block 30
Outer end the cover board 31 that can block screw 29 can be installed with by fastening bolt 32.Fixed weight thing 42 can use composite wood
Expect the conventionally known materials such as coagulum, play the role of reducing manufacture cost on the basis of counterweight is met.Insure bar 37
Play the role of protecting movable weight 36, prevent that movable weight 36 drops in the process of running；By adjusting movable case
The quantity of the movable weight 36 of moving counterweight intracavitary increases and decreases the quantity of counterweight 11 or the position coarse adjustment of shifting balance hammer 11
Balance, by varying portable ballast box 28 position come accurate adjustment, by adjusting movable weight 36 quantity and
Both positions for changing portable ballast box 28 combine, and intelligent oil pumping machine is not only easily reached balance but also can keep balance.
As shown in Figure 1, polished rod eye 1 includes hanging rope body, load transducer 17 and hanging rope；It is provided with hanging rope body
Load transducer 17.
As shown in attached drawing 1,5, Digital Control cabinet 14 is installed with base 12, it is fixed in Digital Control cabinet 14
Central processing unit, communication module, power module, display module, electricity quantity module, three phase electrical parameters harvester, control are installed
Panel, start-up and shut-down control relay, frequency converter, main motor frequency-changing AC contactor, main motor industrial frequency AC contactor, motor synthesis
Protector, balancing control relay, balance motor A.C. contactor and current transducer；The signal output of load transducer 17
End is electrically connected by the first signal input part of load transducer cable 18 and lower connecting cable 21 and central processing unit,
The secondary signal that the signal output part of stroke procedure measuring appliance passes through movable cable 19 and lower connecting cable 21 and central processing unit
Input terminal is electrically connected, and current transducer, electric current are provided with the power input line of the retarder 23 with balance motor
The signal output part of transmitter and the 3rd signal input part of central processing unit are electrically connected by conducting wire, down stroke sensing
The signal output part of switch and up stroke inductive switch is by upper connecting cable 20, movable cable 19 and lower connecting cable 21 with
4th signal input part of central processor is electrically connected, the signal output of down stroke inductive switch and up stroke inductive switch
End controls the signal input part of relay to be electrically connected by upper connecting cable 20, movable cable 19 and lower connecting cable 21 and balancing
It is connected together, the signal input part of the first signal output part and balancing the control relay of central processing unit is electrically connected by conducting wire
It is connected together, the signal output part of balancing control relay and the signal input part of balance motor AC contactor pass through conducting wire
It is electrically connected, the output terminal of balance motor A.C. contactor and the input terminal of balance motor are connected electrically in one by conducting wire
Rising, the output terminal of balance motor A.C. contactor and the signal input part of current transducer are electrically connected by conducting wire, in
The secondary signal output terminal of central processor and the signal input part of start-up and shut-down control relay are electrically connected by conducting wire, start and stop
The signal output part of relay and the signal input part of main motor industrial frequency AC contactor is controlled to be electrically connected by conducting wire,
The output terminal of main motor industrial frequency AC contactor and the input terminal of main motor 15 are electrically connected by conducting wire, start-up and shut-down control after
The signal output part of electric appliance and the signal input part of main motor frequency-changing AC contactor are electrically connected by conducting wire, main motor
The output terminal of frequency-changing AC contactor and the input terminal of main motor 15 are electrically connected by conducting wire.
As needed, it is fixed with 22 or six side of square head in the left end of 23 power output shaft of retarder with balance motor
Head, crank support base 43 is installed with balance arm 7；Or/and belt pulley fast replacing device is installed on base 12,
The lower end of belt pulley fast replacing device is hinged on base 12, and main motor is installed with the upper surface of belt pulley fast replacing device
15；Or/and three phase electrical parameters harvester is electrical parameter dynamic equilibrium tester or current transformer.In this way, in power failure or band
The retarder 23 of balance motor damages or service cable damage or when hand balancing or maintenance activity, with hand crank 10 or can pull
Hand manual rotation square head 22 or six square toes, make the retarder 23 with balance motor rotate forward or backwards, are made by leading screw 26
Portable ballast box 28 moves left and right on balance arm 7.Load transducer 17, angular displacement sensor 16 and with balance motor
Retarder 23 is controlled by load transducer cable 18, movable cable 19, upper connecting cable 20 and lower connecting cable 21 and digitlization
Cabinet 14 processed is linked together by the connector that can quickly connect, particularly movable cable 19 between walking beam 3 and stent 5, on
Connecting cable 20 and lower connecting cable 21 are linked together by the connector that can quickly connect, and movable cable 19 and lower company
The connector for connecing the connection of cable 21 upward, reduces the bending damage of butt joint, extends movable cable service life, and be conveniently replaceable.
Beneficial effects of the present invention：
1) real-time automatic measuring polished rod load, displacement, can realize that indicator card is drawn and stroke, jig frequency, maximum polished rod carry
The real-time display of the information such as lotus, minimum polished rod load, polished rod horsepower, according to the degree of filling automatic adjustment jig frequency of pump, can improve pump
Degree of filling and pump efficiency, and analyze well deliverability, scheme taken out being proposed qualified well, and carry out by imposing a condition
Control is taken out between automatic, further extends the well workover cycle.
2) real-time automatic measuring and calculating phase voltage, phase current, frequency, positive active energy, negative sense active energy etc. are electric
Parameter, can realize electricity ginseng Drawing of Curve and display, calculate the current equilibrium state of pumping unit according to electrical power and current data, provide
Balanced adjustment scheme, and adjusting is balanced automatically, power-balance degree and current balance type degree are combined and both protect pumping unit
Realize again energy saving.
3）The data such as oil well pressure, temperature, oil well daily fluid production rate, effective head, oil well fluid density are gathered, in center
System efficiency of pumping well software for calculation is installed on processor or upper station control computer and Diagnosing The Faults of Sucker Rod Pumping System is special
Family's system, it is automatic to calculate analysis system efficiency of pumping well, surface efficiency, Downhole efficiency and pump efficiency, by rod-pumped well
Indicator card and parameters curve carry out superposition and side-by-side comparison's analysis, pumping unit is possessed memory and self-learning function, realize
Pumping unit intelligentized control method and fault diagnosis and prediction alarm on the spot, improves safety in production and the system effectiveness of rod-pumped well.
4）Realize that data remote and remote switch well control by communication module, and it is seamless with field production management system
Access, can import data to oil field data library storage, and the available machine time of automatic meter record rod-pumped well, run time, collection are every
Time graph, frequency, power factor, the electric energy of parameter add up, system effectiveness, generate oil well production daily record and field production management
Required various data sheets and curve.
5）Present invention employs portable automatic adjusting balance structure, by adjusting the work of the moving counterweight intracavitary of movable case
The quantity of dynamic clump weight 36 increases and decreases the quantity of counterweight 11 or the position coarse balance of shifting balance hammer 11, by varying movement
The accurate adjustment in position of formula ballast box 28, the two combination, makes pumping unit be easier to realize under various operating modes that different suspension points carry
Balanced adjustment needed for lotus, can improve balanced ratio in production practices, protect pumping unit and reduce production cost.
6）Portable ballast box 28 can be moved by hand crank 10, even if the retarder 23 with balance motor damages, band is flat
23 power supply circuit of the retarder damage of weighing apparatus motor, communicating interrupt, remain to artificial hand-operated moving movable type ballast box 28 or adjustment moves
The quantity of the movable weight 36 of the moving counterweight intracavitary of dynamic case increases and decreases the quantity of counterweight 11 or the position of shifting balance hammer 11
Adjustment balance is put, is continuing with pumping unit, no security risk, will not cause to stop well influence yield.
7) there are two kinds of frequency conversion, power frequency methods of operation, when frequency conversion failure can automatically switch to power frequency operation.
8）The computer network management of rod-pumped well is realized, monitors system efficiency of pumping well remote online in real time
Become a reality with Automatic Optimal, improve system efficiency of pumping well, not only simplify operation, it is convenient and efficient, save manually while
Achieve the purpose that energy-saving and emission-reduction, increase economic efficiency.
Above technical characteristic constitutes the embodiment of the present invention, it, can basis with stronger adaptability and implementation result
It is actually needed and increases and decreases non-essential technical characteristic, meets the needs of different situations.
Claims (9)
1. a kind of intelligent control oil pumping method, it is characterised in that including intelligent oil pumping machine, which includes main motor, trip
Beam, balance arm, crank and polished rod eye；Balance arm is installed with the left end of walking beam, is installed respectively on balance arm
There are portable ballast box and the driving device that can move left and right portable ballast box, further include central processing unit and three-phase electricity ginseng
Number harvester, the three phase electrical parameters harvester are installed on energization input；Pacify between main motor and energization input
Equipped with frequency converter, load transducer is installed with polished rod eye and is used to gather polished rod load value F, is installed on intelligent oil pumping machine
There is stroke procedure measuring appliance to be used to gather suspension point shift value S；
This method carries out in the steps below：
The first step, in each stroke procedure, central processing unit is according to the polished rod load value F and suspension point shift value S collected
Analyzed and be calculated surface dynamometer card, its ordinate be polished rod polished rod load value F in oil pumping process coordinate, horizontal seat
The coordinate of polished rod suspension point shift value S in oil pumping process is designated as, central processing unit gathers what upstroke pumped according to surface dynamometer card
The effective stroke value S2 of stroke value S1 and down stroke pump, then calculate pump degree of filling H3, that is, H3=S2/S1；
Second step, obtains N number of pump by the number of strokes n times of setting and is full of angle value H3, carrying out arithmetic full of angle value H3 to N number of pump puts down
Pump degree of filling average value H3 is obtained afterwardsIt is average, processing is then compared, pump degree of filling lower limit set value is A31, pumps degree of filling
It is A32 to adjust target lower limit set value, and pump degree of filling upper limit set value is B31；
After n times stroke, H3It is averageValue meets A31≤H3It is average≤ B31 is the appropriate state of jig frequency, is adjusted without jig frequency；
After n times stroke, H3It is averageIt is the too fast state of jig frequency during less than A31, main motor rotating speed is reduced by frequency converter to subtract at this time
Small jig frequency, makes pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31；
After n times stroke, H3It is averageIt is the excessively slow state of jig frequency during more than B31, main motor rotating speed is raised by frequency converter to increase at this time
Big jig frequency, makes pump degree of filling average value H3It is averageReach A32≤H3It is average≤B31；
Wherein：
The data that stroke procedure measuring appliance, three phase electrical parameters harvester collect are transferred to central processing unit respectively, center
Processor is handled the current value collected in each stroke procedure, finds out the maximum current value in down stroke
ILower maxWith the maximum current value I in upstrokeUpper max, current balance type angle value H1, that is, H1 of each stroke procedure of central processing unit calculating
= ILower max / IUpper max；
N number of current balance type angle value H1 is obtained by setting number of strokes n times, after carrying out arithmetic average to N number of current balance type angle value H1
Obtain current balance type degree average value H1It is average, then it is compared processing, current balance type degree lower limit set value is A11, current balance type
It is A12 that degree, which adjusts target lower limit set value, and current balance type degree upper limit set value is B11, and current balance type degree adjusts target upper limit and sets
Definite value is B12；
After n times stroke, H1It is averageValue meets A11≤H1It is average≤ B11 is current balance type state, portable ballast box is not adjusted
Section；
After n times stroke, H1It is averageIt is electric current under-balanced state during less than A11, portable ballast box is made by driving device at this time
It is moved to the left, makes current balance type degree average value H1It is averageReach A12≤H1It is average≤B12；
After n times stroke, H1It is averageIt is electric current overbalance state during more than B11, portable ballast box is made by driving device at this time
Move right, make current balance type degree average value H1It is averageReach A12≤H1It is average≤B12。
2. a kind of intelligent oil pumping machine for implementing intelligent control oil pumping method as claimed in claim 1, it is characterised in that including master
Motor, retarder, crank, connecting rod, walking beam, balance arm, stent, horse head, base, brake gear, polished rod eye and stroke procedure
Measuring appliance；Main motor, retarder, brake gear and stent are installed with base, the walking beam that can be swung up and down is in
The walking beam bearing in portion is hinged on the top of stent, and crank, lower end and the song of connecting rod are provided with the power output shaft of retarder
Handle is hinged, and the upper end of connecting rod is hinged on the left part of walking beam, and the right end of walking beam is installed with horse head, is provided with horse head
Polished rod eye, balance arm is installed with the left end of walking beam, and portable ballast box and energy are separately installed with balance arm
The driving device for moving left and right portable ballast box, is provided with counterweight on crank.
3. intelligent oil pumping machine according to claim 2, it is characterised in that driving device include the retarder with balance motor,
Leading screw and screw, the retarder with balance motor are fixedly mounted on balance arm, are installed with one end of balance arm
Lead screw shaft bearings, are installed with leading screw asessory shaft bearing, the both ends of leading screw are separately mounted to silk in the other end of balance arm
In thick stick bearing block and leading screw asessory shaft bearing, one end of leading screw passes through the power output of shaft coupling and the retarder with balance motor
End is fixedly installed togather, and screw is provided with leading screw, and portable ballast box is in saddle, there is a straight slot at its middle part, leading screw from
Passed through in the straight slot of portable ballast box, four fixed blocks are installed with portable ballast box, between four fixed blocks
Cross recess is formed, screw is installed in cross recess and can float up and down, is installed with the outer end of fixed block
The cover board of screw can be blocked, slide is provided with balance arm, roller, roller position is installed on the inside of portable ballast box
In on slide；Or/and it is installed with fixed weight case in balance arm left end；Or/and match somebody with somebody in balance arm and movable type
Safety caging device is installed, which includes tablet, down stroke inductive switch and up stroke sensing on loaded van
Switch；Or/and portable ballast box includes movable case and movable weight, partition plate is fixed with movable case and by movable case
It is divided into fixed weight chamber and moving counterweight chamber, is filled with fixed weight thing in fixed weight intracavitary, is installed in moving counterweight chamber
There is movable weight, the insurance bar that can block movable weight is installed with movable case.
4. the intelligent oil pumping machine according to Claims 2 or 3, it is characterised in that polished rod eye includes hanging rope body, load sensing
Device and hanging rope；Load transducer is installed on hanging rope body.
5. the intelligent oil pumping machine according to Claims 2 or 3, it is characterised in that Digital Control is installed with base
Cabinet, be installed with Digital Control cabinet central processing unit, communication module, power module, display module, electricity quantity module,
Three phase electrical parameters harvester, control panel, start-up and shut-down control relay, frequency converter, main motor frequency-changing AC contactor, main motor
Industrial frequency AC contactor, comprehensive protector of motor, balancing control relay, balance motor A.C. contactor and electric current pick-up
Device；The signal output part of load transducer passes through load transducer cable and the first signal of lower connecting cable and central processing unit
Input terminal is electrically connected, and the signal output part of stroke procedure measuring appliance passes through movable cable and lower connecting cable and centre
The secondary signal input terminal of reason device is electrically connected, and electric current is provided with the power input line of the retarder with balance motor
Transmitter, the signal output part of current transducer and the 3rd signal input part of central processing unit are connected electrically in one by conducting wire
Rise, the signal output part of down stroke inductive switch and up stroke inductive switch passes through upper connecting cable, movable cable and lower connection
4th signal input part of cable and central processing unit is electrically connected, down stroke inductive switch and up stroke inductive switch
Signal output part controls the signal input part electricity of relay by upper connecting cable, movable cable and lower connecting cable and balancing
Link together, the signal input part of the first signal output part and balancing the control relay of central processing unit passes through conducting wire electricity
Link together, the signal output part of balancing control relay and the signal input part of balance motor AC contactor are by leading
Line is electrically connected, and the output terminal of balance motor A.C. contactor and the input terminal of balance motor are connected electrically in one by conducting wire
Rising, the output terminal of balance motor A.C. contactor and the signal input part of current transducer are electrically connected by conducting wire, in
The secondary signal output terminal of central processor and the signal input part of start-up and shut-down control relay are electrically connected by conducting wire, start and stop
The signal output part of relay and the signal input part of main motor industrial frequency AC contactor is controlled to be electrically connected by conducting wire,
The output terminal of main motor industrial frequency AC contactor and the input terminal of main motor are electrically connected by conducting wire, start-up and shut-down control relay
The signal output part of device and the signal input part of main motor frequency-changing AC contactor are electrically connected by conducting wire, and main motor becomes
The output terminal of frequency A.C. contactor and the input terminal of main motor are electrically connected by conducting wire.
6. intelligent oil pumping machine according to claim 4, it is characterised in that Digital Control cabinet is installed with base,
Central processing unit, communication module, power module, display module, electricity quantity module, three-phase electricity are installed with Digital Control cabinet
Parameter acquisition devices, control panel, start-up and shut-down control relay, frequency converter, main motor frequency-changing AC contactor, main motor power frequency are handed over
Flow contactor, comprehensive protector of motor, balancing control relay, balance motor A.C. contactor and current transducer；Load
The signal output part of sensor passes through load transducer cable and the first signal input part of lower connecting cable and central processing unit
It is electrically connected, the signal output part of stroke procedure measuring appliance passes through movable cable and lower connecting cable and central processing unit
Secondary signal input terminal is electrically connected, and electric current pick-up is provided with the power input line of the retarder with balance motor
Device, the signal output part of current transducer and the 3rd signal input part of central processing unit are electrically connected by conducting wire, under
The signal output part of stroke inductive switch and up stroke inductive switch by upper connecting cable, movable cable and lower connecting cable with
4th signal input part of central processing unit is electrically connected, and the signal of down stroke inductive switch and up stroke inductive switch is defeated
Outlet controls the signal input part of relay to be connected electrically in by upper connecting cable, movable cable and lower connecting cable and balancing
Together, the signal input part of the first signal output part of central processing unit and balancing control relay is connected electrically in by conducting wire
Together, the signal input part of the signal output part of balancing control relay and balance motor AC contactor is electrically connected by conducting wire
It is connected together, the output terminal of balance motor A.C. contactor and the input terminal of balance motor are electrically connected by conducting wire, are put down
The output terminal of weighing apparatus motor AC contactor and the signal input part of current transducer are electrically connected by conducting wire, central processing
The secondary signal output terminal of device and the signal input part of start-up and shut-down control relay are electrically connected by conducting wire, start-up and shut-down control after
The signal output part of electric appliance and the signal input part of main motor industrial frequency AC contactor are electrically connected by conducting wire, main motor
The output terminal of industrial frequency AC contactor and the input terminal of main motor are electrically connected by conducting wire, the letter of start-up and shut-down control relay
The signal input part of number output terminal and main motor frequency-changing AC contactor is electrically connected by conducting wire, main motor frequency-changing AC
The output terminal of contactor and the input terminal of main motor are electrically connected by conducting wire.
7. according to the intelligent oil pumping machine described in Claims 2 or 3 or 6, it is characterised in that the reducer power with balance motor is defeated
The left end of shaft is fixed with square head or six square toes, and crank support base is installed with balance arm；Or/and in base
On belt pulley fast replacing device is installed, the lower end of belt pulley fast replacing device is hinged on base, the upper end of belt pulley fast replacing device
Main motor is installed with face.
8. intelligent oil pumping machine according to claim 4, it is characterised in that the reducer power output shaft with balance motor
Left end is fixed with square head or six square toes, and crank support base is installed with balance arm；Or/and installed on base
There is belt pulley fast replacing device, the lower end of belt pulley fast replacing device is hinged on base, solid on the upper surface of belt pulley fast replacing device
Dingan County is equipped with main motor.
9. intelligent oil pumping machine according to claim 5, it is characterised in that the reducer power output shaft with balance motor
Left end is fixed with square head or six square toes, and crank support base is installed with balance arm；Or/and installed on base
There is belt pulley fast replacing device, the lower end of belt pulley fast replacing device is hinged on base, solid on the upper surface of belt pulley fast replacing device
Dingan County is equipped with main motor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852568.6A CN104775792B (en) | 2014-12-31 | 2014-12-31 | Intelligent control oil pumping method and intelligent oil pumping machine |
| PCT/CN2015/100033 WO2016107592A1 (en) | 2014-12-31 | 2015-12-31 | Intelligent oil pumping control method and intelligent oil pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852568.6A CN104775792B (en) | 2014-12-31 | 2014-12-31 | Intelligent control oil pumping method and intelligent oil pumping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104775792A CN104775792A (en) | 2015-07-15 |
| CN104775792B true CN104775792B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410852568.6A Active CN104775792B (en) | 2014-12-31 | 2014-12-31 | Intelligent control oil pumping method and intelligent oil pumping machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104775792B (en) |
| WO (1) | WO2016107592A1 (en) |
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| WO2016107592A1 (en) | 2016-07-07 |
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