CN205786834U - A kind of oil pumper electric work figure measurement apparatus - Google Patents
A kind of oil pumper electric work figure measurement apparatus Download PDFInfo
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- CN205786834U CN205786834U CN201620500283.0U CN201620500283U CN205786834U CN 205786834 U CN205786834 U CN 205786834U CN 201620500283 U CN201620500283 U CN 201620500283U CN 205786834 U CN205786834 U CN 205786834U
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Abstract
This utility model relates to the measurement apparatus of a kind of oil pumper electric work figure, is mainly made up of voltage shaping translation circuit, current shaping translation circuit, phase discriminator, voltage signal filtering and amplifying circuit, current signal filtering and amplifying circuit, pulse width measurement circuit, photoelectric switch, top dead-centre sensor, analog quantity multicircuit switch, bottom dead centre sensor, A/D Acquisition Circuit, single-chip microcomputer, keyboard and display, communicating circuit, memorizer, power supply circuits.Voltage shaping translation circuit is connected with the phase line of power supply with the signals collecting port of current shaping translation circuit；Voltage shaping translation circuit signal output port is connected with the signals collecting port of phase discriminator, voltage signal filtering and amplifying circuit；Voltage signal filtering and amplifying circuit are connected with the signals collecting port of analog quantity multicircuit switch with current signal filtering and the signal output port of amplifying circuit.This utility model can find fault in time；Install simple, can on-line measurement electric work figure real-time, accurate.
Description
Technical field
This utility model relates to the measurement apparatus of a kind of oil pumper electric work figure, it is adaptable to measure in real time, belongs to oil measurement apparatus skill
Art field.
Background technology
Indicator card is the reflection of oil pumper the most direct operating mode, may determine that the operation shape of whole oil pumper by it
State, the working condition of oil well pump, indicator card can reflect the production efficiency of downhole crude and the energy consumption of oil pumper.At present
The test to pumping-unit workdone graphic of the most domestic oil field, uses and sensor is arranged on polished rod the position directly gathering polished rod
Moving data and the method for load data, load transducer is owing to exposing in an atmosphere, and bears alternate load, is susceptible to damage
Bad or lost efficacy, sensor connecting line, also because moving back and forth, easy fatigue fracture, causes that the data recorded are inaccurate maybe cannot be surveyed
Amount.For the shortcoming of this measuring method, this utility model is the device measured based on oil pumper electric work figure, by electric work figure
Measure thus indirectly obtain indicator card, decrease the measurement to load or the measurement of motion cable, efficiently solve load transducer
Life-span is short, data are inaccurate, the shortcoming of the electric cable splitting for fatigue in measurement so that measurement result is reliable, and service life is long.
Summary of the invention
The purpose of this utility model is that measuring cell is fragile, the longevity in order to overcome in the test of current beam type oil pumping machine indicating diagram
Order short, cable fatiguability breakage problem, it is provided that the measurement apparatus of a kind of oil pumper electric work figure, measured by electric work figure and reality
The most indirectly measuring, have measurement reliable, life-span long advantage, to make up the measurement that current load transducer fatigue damage causes
Inaccurate defect.
The technical solution adopted in the utility model is:
This utility model one oil pumper electric work figure measurement apparatus, mainly by voltage shaping translation circuit, current shaping conversion
Circuit, phase discriminator, voltage signal filtering and amplifying circuit, current signal filtering and amplifying circuit, pulse width measurement circuit,
Photoelectric switch, top dead-centre sensor, analog quantity multicircuit switch, bottom dead centre sensor, A/D Acquisition Circuit,
Single-chip microcomputer, keyboard and display, communicating circuit, memorizer, power supply circuits composition.Described voltage shaping translation circuit with
The signals collecting port of current shaping translation circuit is connected with the phase line of power supply；Voltage shaping translation circuit signal output port
It is connected with the signals collecting port of phase discriminator, voltage signal filtering and amplifying circuit；The letter of current shaping translation circuit
Number output port is connected with the signals collecting port of phase discriminator, current signal filtering and amplifying circuit；Voltage signal filters
And the signals collecting end of the signal output port of the filtering of amplifying circuit and current signal and amplifying circuit and analog quantity multicircuit switch
Mouth is connected；The signal output port of analog quantity multicircuit switch is connected with the signals collecting port of A/D Acquisition Circuit, phase demodulation electricity
The signal output port on road is connected with the signals collecting port of pulse width measurement circuit；Pulse width measurement circuit, photoelectric isolating circuit, A/D
Acquisition Circuit, keyboard and display, communicating circuit, memorizer are connected with delivery outlet respectively at the input port of single-chip microcomputer.
Phase voltage during electric motor operation is transformed into low-voltage dc voltage and is shaped as just half by described voltage shaping translation circuit
Week square-wave signal, voltage signal filtering and amplifying circuit the low-voltage dc voltage that phase voltage converts is filtered with signal amplification at
Reason, the signal that output gathers for A/D；Phase current during electric motor operation is transformed into low-voltage DC by current shaping translation circuit
Pressure is also shaped as positive half cycle square-wave signal, and the low-voltage DC that phase current converts is pressed into by current signal filtering and amplifying circuit
Row filtering and signal processing and amplifying, the signal that output gathers for A/D；Analog quantity multicircuit switch will carry out filtering and signal
Signal after processing and amplifying sends into A/D Acquisition Circuit, and each phase voltage, phase current signal are transformed to numeral letter by A/D Acquisition Circuit
Number；Phase discriminator is to be square-wave signal by the phase difference variable of the square-wave signal after phase voltage and phase current shaping, passes through pulse width measure
The measurement of circuit level time high and low to square-wave signal, by the calculating of dutycycle, calculates the power factor of motor；On
The upper dead center position of dead point sensor measurement oil pumper, the lower dead point position of bottom dead centre sensor measurement oil pumper；By photoelectricity every
From circuit, eliminate extraneous interference；Single-chip microcomputer is by each phase voltage, phase current, phase contrast, upper dead center position, lower dead point position
Calculate accordingly and analyze, the survey calculation information that output electric work figure is relevant to displacement；Keyboard and display input relevant parameter
And show corresponding data and image, communicating circuit is arranged for data transmission and parameter, and memorizer is used for the program that stores and data,
Power supply circuits are for powering to measurement apparatus.
Voltage shaping translation circuit is, by voltage transformer, phase voltage is transformed to low-tension supply, and a road is transformed into and becomes with phase voltage
The low-voltage dc voltage of direct ratio, voltage supplied measurement uses, and positive half period AC signal shaping is become by shaping circuit of separately leading up to
Square-wave signal；Current shaping translation circuit is, by current transformer, phase current is transformed into voltage signal, and a road is transformed into and phase
The low-voltage dc voltage that electric current is directly proportional, for current measurement, separately leads up to shaping circuit by whole for positive half period AC signal
Be formed as square-wave signal；The voltage and current square-wave signal of shaping is processed through phase discriminator, exports two rising time differences
Square wave, measured the dutycycle of this square-wave signal by pulse width measurement circuit, power factor (PF) can be converted the signal into, it is achieved merit
The measurement of rate factor；The low-voltage dc signal of voltage, current shaping translation circuit output after filtering and is transformed into after amplifying circuit
The signal that can be gathered by A/D Acquisition Circuit, this signal, after analog quantity multicircuit switch, is delivered to A/D respectively and is gathered electricity
Road is timed collection, by conversion, can record the size of alternating voltage when oil pumper works and alternating current, in conjunction with measuring
Power factor (PF) can calculate the size of motor available power；Top dead-centre sensor is the upper dead center position measuring oil pumper；Under
Dead point sensor is the lower dead point position measuring oil pumper；Photoelectric isolating circuit is to eliminate the interference letter that upper bottom dead centre sensor introduces
Number, starting voltage change action simultaneously, sensor signal is transformed into the single-chip microcomputer input signal of standard；The phase that single-chip microcomputer will be measured
Voltage, phase current, power factor (PF), top dead-centre, the correlated inputs signal of bottom dead centre are analyzed processing, and calculate electric work
The closed curve that rate changes with the upper and lower stroke of oil pumper, thus realize the measurement of oil pumper electric work figure, keyboard is used for inputting phase
Answering the data that parameter and amendment are arranged, display is used for showing corresponding data and curve, it is achieved man-machine interaction, and memorizer is used
Temporarily depositing of the data cannot transmitted in time in time storing the parameter arranged and need big data communication；Other peripheral unit
Middle communicating circuit is arranged for data transmission, teledata；Power supply circuits, for powering to measurement apparatus, ensure equipment
The power supply supply run.
Advantage of the present utility model: 1, no-load sensor, makes measurement more accurately with reliable.2, without movable in measuring
Parts, the measurement apparatus life-span is long, meets the on-the-spot actual demand 3 of oil pumper, the available electric work figure recorded in real time to taking out
The swabbing parameter of oil machine is optimized the degree of filling improving oil well pump, by the control to oil pumper converter, can realize
Energy-conservation, prevent sky from taking out.4, by the analysis to electric work figure, the fault in oil pumping process can be found in time.5, letter is installed
Single, can on-line measurement electric work figure real-time, accurate, convenient.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model a kind of oil pumper electric work figure measurement apparatus.
In figure: 1. voltage shaping translation circuit, 2. current shaping translation circuit, 3. phase discriminator, 4. voltage signal filter and put
The filtering of big circuit, 5. current signal and amplifying circuit, 6. pulse width measurement circuit, 7. photoelectric isolating circuit, 8. top dead-centre sensor,
9. analog quantity multicircuit switch, 10. bottom dead centre sensor, 11.A/D Acquisition Circuit, 12. single-chip microcomputers, 13. keyboards and display
Device, 14 communicating circuits, 15. memorizeies, 16. power supply circuits.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
As it is shown in figure 1, this utility model one oil pumper electric work figure measurement apparatus, mainly by voltage shaping translation circuit 1, electricity
Flow shaping translation circuit 2, phase discriminator 3, voltage signal filtering and amplifying circuit 4, current signal filtering and amplifying circuit 5,
Pulse width measurement circuit 6, photoelectric isolating circuit 7, top dead-centre sensor 8, analog quantity multicircuit switch 9, bottom dead centre sensor
10, A/D Acquisition Circuit 11, single-chip microcomputer 12, keyboard and display 13, communicating circuit 14, memorizer 15, power supply circuits 16
Composition.Described voltage shaping translation circuit 1 is connected with the phase line of power supply with the signals collecting port of current shaping translation circuit 2；
Voltage shaping translation circuit 1 signal output port and phase discriminator 3, voltage signal filtering and the signals collecting end of amplifying circuit 4
Mouth is connected；The signal output port of current shaping translation circuit 2 and phase discriminator 3, current signal filtering and amplifying circuit 5
Signals collecting port be connected；Voltage signal filtering and amplifying circuit 4 filter with current signal and the signal output of amplifying circuit 5
Port is connected with the signals collecting port of analog quantity multicircuit switch 9；The signal output port of analog quantity multicircuit switch 9
It is connected with the signals collecting port of A/D Acquisition Circuit 11, the signal output port of phase discriminator 3 and the letter of pulse width measurement circuit 6
Number gather port be connected；Pulse width measurement circuit 6, photoelectric isolating circuit 7, A/D Acquisition Circuit 11, keyboard and display 13,
Communicating circuit 14, memorizer 15 are connected with delivery outlet respectively at the input port of single-chip microcomputer 12.
Phase voltage during electric motor operation is transformed into low-voltage dc voltage and is just shaped as by described voltage shaping translation circuit 1
Half cycle square-wave signal, the low-voltage dc voltage that phase voltage converts is filtered putting with signal by voltage signal filtering and amplifying circuit 4
Big process, the signal that output gathers for A/D Acquisition Circuit 11；Current shaping translation circuit 2 is by phase current during electric motor operation
Being transformed into low-voltage dc voltage and be shaped as positive half cycle square-wave signal, phase current is become by current signal filtering and amplifying circuit 5
The low-voltage dc voltage changed is filtered and signal processing and amplifying, the signal that output gathers for A/D Acquisition Circuit 11；Analog quantity is many
Signal after road permutator 9 will carry out filtering and signal processing and amplifying sends into A/D Acquisition Circuit 11, A/D Acquisition Circuit 11
Each phase voltage, phase current signal are transformed to digital signal；Phase discriminator 3 is by the square wave letter after phase voltage and phase current shaping
Number phase difference variable be square-wave signal, through the measurement of pulse width measurement circuit 6 level time high and low to square-wave signal, by accounting for
The calculating of empty ratio, calculates the power factor of motor；Top dead-centre sensor 8 measures the upper dead center position of oil pumper, bottom dead centre
The lower dead point position of oil pumper measured by sensor 10；By photoelectric isolating circuit 7, eliminate extraneous interference；Single-chip microcomputer 12 will
Each phase voltage, phase current, phase contrast, upper dead center position, lower dead point position calculate accordingly and analyze, output electric work figure with
The survey calculation information that displacement is relevant；Keyboard and display 13 input relevant parameter and display corresponding data and image, communicating circuit
14 are arranged for data transmission and parameter, and memorizer 15 is used for the program that stores and data, and power supply circuits 16 are for measurement apparatus
Power supply.
Voltage shaping translation circuit 1 connects the three-phase voltage of power supply, and phase voltage is transformed into during work low-voltage dc voltage and just half
All square-wave signals, this low-voltage dc voltage is after voltage signal filtering and amplifying circuit 4 process, and becoming A/D Acquisition Circuit 11 can
The signal measured, this signal is switched to the input of A/D Acquisition Circuit 11 through analog quantity multicircuit switch 9, by analog quantity
It is sent into single-chip microcomputer 12 after being converted to digital quantity to process；Current shaping translation circuit 2 connects the three-phase current of power supply, during work
Phase current is transformed into low-voltage dc voltage and positive half cycle square-wave signal, and this low-voltage dc voltage is through current signal filtering and amplifies electricity
After road 5 processes, becoming the measurable signal of A/D Acquisition Circuit 11, this signal is switched to through analog quantity multicircuit switch 9
The input of A/D Acquisition Circuit 11, is sent into single-chip microcomputer 12 and processes after analog quantity is converted to digital quantity, phase discriminator 3
It is that the time difference of corresponding phase voltage with the positive half cycle square-wave signal rising edge of phase current is processed as square wave, by pulse width measure electricity
The dutycycle of square-wave signal is measured on road 6, calculates the power factor of motor；Upper dead center position measured by top dead-centre sensor 8,
Lower dead point position measured by bottom dead centre sensor 10, is converted to the signal that single-chip microcomputer 12 can receive after photoelectric isolating circuit 7,
The reference point that upper and lower dead center signal is tested as electric work figure；Single-chip microcomputer 12 by the phase current collected, phase voltage, power factor (PF),
Upper dead center position, lower dead point position carry out processing calculating, thus accurately obtain the electric work diagram data of each jig frequency or multiple jig frequency,
And electric work figure is shown by the display in keyboard and display 13, or carried out data transmission by communicating circuit 14, keyboard
And display 13 realizes parameter modification and data show, memorizer 15 is for storing the data of program and collection, power supply circuits 16
Power supply is provided to ensure package unit.
During work, power supply circuits give whole measurement apparatus power, whole measurement apparatus obtain electric after start working；Voltage shaping converts
Three-phase voltage is transformed to low-voltage dc voltage by circuit, is then filtered by low-voltage dc voltage and signal processing and amplifying, becomes
The measurable signal of A/D Acquisition Circuit, and this signal is sent into A/D Acquisition Circuit number by analog quantity multicircuit switch
According to collection, positive half period AC signal shaping is become positive half cycle square-wave signal by voltage shaping translation circuit simultaneously, and by this square wave
Signal sends phase discriminator to and processes；Three-phase current is transformed into low-voltage dc voltage by current shaping translation circuit, then will
Low-voltage dc voltage is filtered and signal processing and amplifying, becomes the measurable signal of A/D Acquisition Circuit, and is passed through by this signal
Analog quantity multicircuit switch is sent into A/D Acquisition Circuit and is carried out data acquisition, and positive half period is handed over by current shaping translation circuit simultaneously
Stream signal shaping becomes positive half cycle square-wave signal, and sends this square-wave signal to phase discriminator and process, and phase discriminator is right
Should process by the square-wave signal after the voltage and current shaping of phase, the square-wave signal of phase contrast when output voltage and current zero-crossing point,
Measured the dutycycle of this square wave by pulse width measurement circuit, thus obtain the power factor (PF) of motor；Measurement is arrived by single-chip microcomputer
Phase voltage, phase current values are converted into the phase voltage of reality, the size of phase current values, power factor (PF) are added and calculate, can calculate and take out
The available power of oil machine；Coordinate top dead-centre sensor and the detection signal of bottom dead centre sensor, calculated by corresponding, can realize
The accurate measurement of the available power of one jig frequency, by the electric work figure of communicating circuit one jig frequency of output, it is possible to follow-on test is multiple
The electric work figure of jig frequency, can carry out the amendment of relevant parameter by keyboard, makes the test curve of electric work figure become close with indicator card
Curve, this parameter of curve can be shown by display, it is possible to is sent it on remote computer by communicating circuit
It is analyzed, controls the converter of oil pumper also by communication modes, it is achieved jig frequency variable frequency adjustment, reach optimal energy-conservation control
System.
Claims (2)
1. an oil pumper electric work figure measurement apparatus, mainly by voltage shaping translation circuit (1), current shaping translation circuit (2),
The filtering of phase discriminator (3), voltage signal and amplifying circuit (4), current signal filtering and amplifying circuit (5), pulse width measure electricity
Road (6), photoelectric isolating circuit (7), top dead-centre sensor (8), analog quantity multicircuit switch (9), bottom dead centre sensor
(10), A/D Acquisition Circuit (11), single-chip microcomputer (12), keyboard and display (13), communicating circuit (14), memorizer (15),
Power supply circuits (16) form, it is characterised in that: described voltage shaping translation circuit (1) and current shaping translation circuit (2)
Signals collecting port be connected with the phase line of power supply；Voltage shaping translation circuit (1) signal output port and phase discriminator (3),
The signals collecting port of voltage signal filtering and amplifying circuit (4) is connected；The signal output of current shaping translation circuit (2)
Port is connected with the signals collecting port of phase discriminator (3), current signal filtering and amplifying circuit (5)；Voltage signal filtering and
The filtering of amplifying circuit (4) and current signal and the signal output port of amplifying circuit (5) and analog quantity multicircuit switch (9)
Signals collecting port be connected；The signal output port of analog quantity multicircuit switch (9) and the letter of A/D Acquisition Circuit (11)
Number gather port be connected, the signal output port of phase discriminator (3) is connected with the signals collecting port of pulse width measurement circuit (6)；
Pulse width measurement circuit (6), photoelectric isolating circuit (7), A/D Acquisition Circuit (11), keyboard and display (13), communication electricity
Road (14), memorizer (15) are connected with delivery outlet respectively at the input port of single-chip microcomputer (12).
A kind of oil pumper electric work figure measurement apparatus the most according to claim 1, it is characterised in that: described voltage shaping converts
Phase voltage during electric motor operation is transformed into low-voltage dc voltage and is shaped as positive half cycle square-wave signal, voltage by circuit (1)
The low-voltage dc voltage that phase voltage converts is filtered and signal processing and amplifying by signal filtering and amplifying circuit (4), and output supplies
The signal that A/D Acquisition Circuit (11) gathers；Phase current during electric motor operation is transformed into low by current shaping translation circuit (2)
Pressure DC voltage is also shaped as positive half cycle square-wave signal, and it is low that phase current is converted by current signal filtering and amplifying circuit (5)
Pressure DC voltage is filtered and signal processing and amplifying, the signal that output gathers for A/D Acquisition Circuit (11)；Analog quantity multichannel
Signal after permutator (9) will carry out filtering and signal processing and amplifying sends into A/D Acquisition Circuit (11), and A/D gathers electricity
Each phase voltage, phase current signal are transformed to digital signal by road (11)；Phase discriminator (3) is by phase voltage and phase current shaping
After the phase difference variable of square-wave signal be square-wave signal, through pulse width measurement circuit (6) level time high and low to square-wave signal
Measure, by the calculating of dutycycle, calculate the power factor of motor；Top dead-centre sensor (8) measure oil pumper upper extremely
Point position, the lower dead point position of oil pumper measured by bottom dead centre sensor (10)；By photoelectric isolating circuit (7), eliminate the external world
Interference；Each phase voltage, phase current, phase contrast, upper dead center position, lower dead point position are carried out mutually accrued by single-chip microcomputer (12)
Calculate and analyze, the survey calculation information that output electric work figure is relevant to displacement；Keyboard and display (13) input relevant parameter and show
Showing corresponding data and image, communicating circuit (14) is arranged for data transmission and parameter, and memorizer (15) is used for storing program
And data, power supply circuits (16) are for powering to measurement apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500283.0U CN205786834U (en) | 2016-05-26 | 2016-05-26 | A kind of oil pumper electric work figure measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500283.0U CN205786834U (en) | 2016-05-26 | 2016-05-26 | A kind of oil pumper electric work figure measurement apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN205786834U true CN205786834U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620500283.0U Expired - Fee Related CN205786834U (en) | 2016-05-26 | 2016-05-26 | A kind of oil pumper electric work figure measurement apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164297A (en) * | 2018-07-25 | 2019-01-08 | 中国石油天然气股份有限公司 | Multifunctional electric meter |
| CN109281655A (en) * | 2018-10-18 | 2019-01-29 | 中国石油化工股份有限公司 | A kind of power loading of pumping unit determines method, diagnostic method of working condition and device |
| CN110185437A (en) * | 2019-07-22 | 2019-08-30 | 南京南大数字科技有限责任公司 | A kind of indicator card acquisition method suitable for low jig frequency frequency conversion oil well |
| CN110910618A (en) * | 2019-11-27 | 2020-03-24 | 河南省中原智能电气科技有限公司 | Data acquisition module of electrical system |
-
2016
- 2016-05-26 CN CN201620500283.0U patent/CN205786834U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164297A (en) * | 2018-07-25 | 2019-01-08 | 中国石油天然气股份有限公司 | Multifunctional electric meter |
| CN109281655A (en) * | 2018-10-18 | 2019-01-29 | 中国石油化工股份有限公司 | A kind of power loading of pumping unit determines method, diagnostic method of working condition and device |
| CN109281655B (en) * | 2018-10-18 | 2021-09-10 | 中国石油化工股份有限公司 | Power load determination method and working condition diagnosis method and device of oil pumping unit |
| CN110185437A (en) * | 2019-07-22 | 2019-08-30 | 南京南大数字科技有限责任公司 | A kind of indicator card acquisition method suitable for low jig frequency frequency conversion oil well |
| CN110910618A (en) * | 2019-11-27 | 2020-03-24 | 河南省中原智能电气科技有限公司 | Data acquisition module of electrical system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |