CN204836022U - Device is joined to automatic accent of beam -pumping unit - Google Patents
Device is joined to automatic accent of beam -pumping unit Download PDFInfo
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- CN204836022U CN204836022U CN201520377855.6U CN201520377855U CN204836022U CN 204836022 U CN204836022 U CN 204836022U CN 201520377855 U CN201520377855 U CN 201520377855U CN 204836022 U CN204836022 U CN 204836022U
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- frequency converter
- oil pumper
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Abstract
The utility model discloses a device is joined to automatic accent of beam -pumping unit, wherein, device is joined to automatic accent of beam -pumping unit includes: a frequency converter, a motor, a crankshaft position sensor, a switching power supply and a digital frequency meter, the converter with the motor is connected, is used for control the rotational speed of motor, a controller, the controller with the converter is connected, is used for control the electrical parameter of converter. Owing to adopted the electrical parameter and the beam -pumping unit displacement information of controller real -time supervision converter to the consumed power curve that uses the beam -pumping unit motor supplies liquid to adjust the frequency size of converter less than situation of change, automatic calculation in the pit as basis for estimation, the change discernment oil well load fluctuation and the oil well of negotiating curve, has effectively solved the problem that the automatic variable frequency device discernment operating mode deviation among the prior art is big, can't differentiate the not enough hole condition of confession liquid.
Description
Technical field
The utility model relates to technical field of petroleum extraction, particularly relates to a kind of oil pumper and automatically adjusts ginseng device.
Background technology
In oilfield exploitation, ground mainly adopts beam pumping unit to carry out lifting campaign and extracts underground crude oil.Heavy oil block adopts steam thermal recovery mode to exploit, and adopts stage downhole crude viscosity and fluid supply capacity change complexity, and be often subject to perimeter well impact at machine; very large on the impact of oil pumper pumping efficiency, pumping efficiency can be caused to reduce, waste of energy; oil pumping machine fault even can be caused to shut down, and impact is produced.
Along with in the last few years, the development of automatic control technology, adjusted ginseng technology to be applied in oilfield exploitation automatically.What oil pumper automatic frequency conversion control device adopted is automatically adjust ginseng technology, and this technology is mainly to gather oil well motor consumes power and oil temperature for adjusting ginseng according to judging oil well load change, thus the auto-control of realization control oil pumper parameter.
Present inventor, in the process realizing the embodiment of the present application technical scheme, at least finds to there is following technical problem in prior art:
This automatic frequency conversion control device is applied in oilfield exploitation, little and the electricity of electric quantity change due to motor consumption is the accumulated value of a period of time, the operating mode of identification and actual value is caused to there is larger deviation, cannot differentiate oil well liquid-supplying situation, and need to gather well head temperature parameter, add the complexity of device.
Utility model content
The utility model adjusts ginseng device automatically by providing a kind of oil pumper, solve automatic frequency-conversion device identification operating mode deviation of the prior art large, the problems such as the not enough hole condition of feed flow, complexity are high cannot be differentiated.
For achieving the above object, the technical solution adopted in the utility model is:
Ginseng device adjusted automatically by a kind of oil pumper, and wherein, described oil pumper comprises motor, described motor is used for providing power to described oil pumper, described oil pumper adjusts ginseng device to comprise automatically: frequency converter, and described frequency converter is connected with described motor, for controlling the rotating speed of described motor; Controller, described controller is connected with described frequency converter, for controlling the electrical quantity of described frequency converter wherein, described controller is by controlling the electrical quantity of described frequency converter, thus obtain the changed power situation of described motor, and regulate the output frequency of described frequency converter according to the changed power situation of motor, thus realize controlling the rotating speed of described motor.
Further, described oil pumper adjusts ginseng device also to comprise automatically: described controller specifically comprises: upstroke speed control unit, is connected with described frequency converter, the output frequency of described frequency converter during for controlling described oil pumper upstroke; Down stroke speed control unit, is connected with described frequency converter, the output frequency of described frequency converter during for controlling described oil pumper down stroke; Electrical quantity collecting unit, is connected with described frequency converter, for the change in displacement information of the output electrical quantity and oil pumper that gather described frequency converter, and obtains the changed power curve of described motor; Intelligent diagnostics unit, is connected with described upstroke speed control unit, down stroke speed control unit, electrical quantity collecting unit respectively; Wherein, described intelligent diagnostics unit regulates the output frequency of described frequency converter according to described changed power curve calculation.
Further, described oil pumper adjusts ginseng device also to comprise automatically: described oil pumper comprises upstroke stage and down stroke stage, wherein, described oil pumper adjusts ginseng device also to comprise automatically: position switch, be connected with described controller, described position switch is for regulating the stroke stage residing for described oil pumper.
Further, described oil pumper adjusts ginseng device also to comprise automatically: human-computer interface device, described human-computer interface device is connected with described controller, and described human-computer interface device is for arranging the parameter of described controller.
Further, the concrete mode that described controller is connected with described frequency converter is that serial communication connects and/or the wired connection of analog signals.
One or more technical schemes that the utility model provides, at least have following technique effect or advantage:
1, owing to have employed electrical quantity and the oil pumper change in displacement information of controller Real-Time Monitoring frequency converter, and with the consumed power curve of motor of oil extractor for basis for estimation, by change identification oil well load change and the not enough situation of change of oil well feed flow of curve, automatic calculating regulates the frequency size of frequency converter, efficiently solves the problem that automatic frequency-conversion device identification operating mode deviation of the prior art is large, cannot differentiate the not enough hole condition of feed flow.
2, ginseng device adjusted automatically by the oil pumper that the utility model adopts, and do not need mounting temperature sensor, improves oil pumper and automatically adjusts and refer and synthesize rationality, decrease system hardware cost.
Accompanying drawing explanation
Fig. 1 is the automatic tune ginseng apparatus structure schematic diagram of the utility model embodiment;
Fig. 2 is the schematic diagram that ginseng method adjusted automatically by the oil pumper of the utility model embodiment;
Fig. 3 is the another schematic diagram that ginseng method adjusted automatically by the oil pumper of the utility model embodiment.
Embodiment
The utility model embodiment adjusts ginseng device automatically by adopting oil pumper, the electrical quantity of Real-Time Monitoring frequency converter and oil pumper change in displacement information, and using the consumed power curve of motor of oil extractor as basis for estimation, by change identification oil well load change and the not enough situation of change of oil well feed flow of curve, automatic calculating regulates the frequency size of frequency converter, efficiently solve automatic frequency-conversion device identification operating mode deviation of the prior art large, the not enough hole condition of feed flow cannot be differentiated, the problems such as complexity is high, accurately can identify oil well load change trend, oil well liquid-supplying is not enough hole condition and the not enough degree of feed flow, increase substantially oil pumper automatically to adjust and refer and synthesize rationality, decrease system hardware cost.
Technical scheme in the embodiment of the present application is the problem solving above-mentioned manual debugging mode, and general thought is as follows:
The utility model embodiment provides a kind of oil pumper and automatically adjusts ginseng device, wherein, described controller is by controlling the electrical quantity of described frequency converter, thus obtain the changed power situation of described motor, and regulate the output frequency of described frequency converter according to the changed power situation of motor, thus realize controlling the rotating speed of described motor.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
As shown in Figure 1, the utility model embodiment provides a kind of oil pumper and automatically adjusts ginseng device, wherein, described oil pumper comprises motor 1, and described motor 1 provides power for giving described oil pumper, and, automatic tune ginseng device controls the rotating speed of motor 1 by frequency converter 2, specifically, oil pumper adjusts ginseng device to comprise frequency converter 2 automatically, controller 3, wherein:
Frequency converter 2, is connected with described motor 1, and described frequency converter 2 is for controlling the rotating speed of described motor 1;
Controller 3, is connected with described frequency converter 2, and described controller 1 is for controlling the electrical quantity of described frequency converter 2;
Wherein, described controller 3 is by controlling the electrical quantity of described frequency converter 2, thus obtain the changed power situation of described motor 1, with this automatic decision oil well load change and degree of filling change, and regulate the output frequency of described frequency converter 2, thus realize controlling the rotating speed of described motor 1, specifically, the output of controller 3 is connected to the input control end of frequency converter 2 to complete the control of the output frequency to frequency converter 2.
Further, controller 3 is again by electrical quantity collecting unit 31, and upstroke speed control unit 32, down stroke speed control unit 33 form, wherein,
Electrical quantity collecting unit 31 is connected with described frequency converter 2, for the change in displacement information of the electrical quantity and oil pumper that gather described frequency converter 2, and according to described electrical quantity and described change in displacement information acquisition the changed power curve of oil pumper, specifically, the feedback output end of frequency converter 2 is connected to the analog input end of controller 3 to obtain the parameter such as power output, electric current, frequency of frequency converter 2, and the sucker rod of oil pumper can change at different stroke stage position.
Upstroke speed control unit 32, be connected with described frequency converter 2, the output frequency of described frequency converter 2 during for controlling described oil pumper upstroke, specifically, upstroke speed control unit 32 is connected with the control signal input of frequency converter 2, thus controls the output frequency of frequency converter 2.
Down stroke speed control unit 33, be connected with described frequency converter 2, the output frequency of described frequency converter 2 during for controlling described oil pumper down stroke, specifically, down stroke speed control unit 33 is connected with the control signal input of frequency converter 2, thus controls the output frequency of frequency converter 2.
Intelligent diagnostics unit 34, is connected with described electrical quantity collecting unit 31, upstroke speeds control list 32, down stroke speed control unit 33 respectively.
Wherein, described intelligent diagnostics unit 34, according to described changed power curve, judges oil well load change and degree of filling variation tendency, and automatically calculates the output frequency regulating described frequency converter 2.
In addition, this oil pumper adjusts ginseng device can also comprise man-machine interface 6 automatically, realize manually to automatically adjusting ginseng device to carry out manual intervention by man-machine interface 6, make automatically to adjust the man-machine interaction of ginseng device better, specifically, man-machine interface 6 can carry out programming to controller 3, arrange at the laggard line parameter of system installation, comprise electricity accumulated time, amplitude of variation fiducial value, up-down stroke frequency, speed ratio etc., and can display system running status, system failure information etc.
Further, in view of in the operating characteristic of heavy oil wells within a steam injection-production cycle, the motion state of motor 1 can be divided into upstroke and two stages of down stroke, information setting position switch 5 is more accurately obtained in order to make electrical quantity collecting unit 31 better, and judge the upstroke of oil pumper and the running gear of down stroke by position switch 5, help electrical quantity collecting unit 31 accurately to obtain the changed power curve of upper and lower stroke.On the other hand, the occurrence of unit interval can also be set by man-machine interface 6.
The utility model embodiment still provides a kind of oil pumper and automatically adjusts ginseng method, as shown in Figure 2:
Step S110: obtain oil pumper upstroke and the electrical quantity information of the frequency converter in down stroke stage and the change in displacement information of oil pumper;
Step S120: according to oil pumper upstroke and the electrical quantity information of the frequency converter in down stroke stage and the change in displacement information of oil pumper, obtains the changed power curve of oil pumper a stroke stage;
Step S130: the working conditions change information obtaining pumpingh well;
Step S140: according to described oil pumper at the changed power curve in a stroke stage and described working condition of pumping well change information, calculate the first speed governing amplitude of operating mode and/or lower operating mode stroke on described pumpingh well;
Step S150: described first speed governing amplitude is sent to frequency converter, regulates the output frequency of frequency converter, automatically regulates the speed of service of motor of oil extractor.
In order to realize man-machine interaction, automatic tune ginseng method of the present utility model further comprises interactive process, and detailed process is as follows:
Obtain human-machine interactive information;
The second speed governing amplitude is produced according to described human-machine interactive information;
According to the described first speed governing amplitude of described second speed governing amplitude adjustment, and produce the 3rd speed governing amplitude;
Described 3rd speed governing amplitude is sent to frequency converter.
In order to better illustrate that ginseng method adjusted automatically by the oil pumper of the present embodiment, concrete for act one example is explained by the utility model embodiment, as shown in Figure 3.
Step 210: according to heavy oil wells Crude viscosity and feed flow situation of change, is divided into four operating modes by the operation of heavy oil wells, operating mode a is the initial stage of driving a well, and operating mode b is for driving a well mid-early stage, and operating mode c is for driving a well the middle and later periods, and operating mode d is the later stage; Each operating mode has different Crude viscosity, and corresponding from it in controller 3 just have different performance numbers, sets degree of filling limit value, when degree of filling carries out speed adjustment lower than during described limit value simultaneously;
Step 220: after oil pumper runs, electrical quantity collecting unit 31 calculates according to the analog quantity feedback signal of position switch 5 and frequency converter 2 and draws the changed power curve of oil pumper in a upper and lower stroke stage jig frequency;
Step 230: intelligent diagnostics and automatic speed regulation control unit 34 automatically identify upper and lower stroke stage maximum power and degree of filling amplitude of variation and trend according to the power curve that electrical quantity collecting unit 31 calculates, when condition meets tune ginseng condition, calculate upper and lower stroke speed governing amplitude according to upstroke stage maximum power and degree of filling amplitude of variation, automatically regulate the motor of oil extractor speed of service; ;
Step 240: upstroke speed control unit 32 and down stroke speed control unit 33, according to the frequency change that intelligent diagnostics unit 34 calculates, carries out the corresponding control to frequency converter;
Step 250: after frequency adjustment completes, gathered to continuing to start a new stroke electric power curves later etc. the acquisition interval time, calculated upstroke stage maximum power and degree of filling, carried out in next loop control.
As mentioned above, after whole system is installed and is provided with enforcement, controller 3 constantly gathers power converter output and whole jig frequency curve degree of filling when comparing upstroke, intelligent diagnostics unit 34 is according to amplitude of variation and the current hole condition of trend automatic decision oil well, and calculate frequency adjustment sizes values, frequency adjustment value is passed through serial ports and frequency converter 2 serial communication (composition graphs 2) of controller 3 by upstroke speed control unit 32 and down stroke speed control unit 33, directly change on the oil pumper in frequency converter 2 with serial port command form, down stroke frequency values, thus on change oil pumper, down stroke speed and speed ratio, reach automatic adjusting stroke frequency and on, the object of down stroke speed ratio, fundamentally solve the complicated frequency modulation caused of heavy oil wells hole condition change difficult, frequency modulation problem not in time.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, owing to have employed electrical quantity and the oil pumper change in displacement information of controller Real-Time Monitoring frequency converter, and with the consumed power curve of motor of oil extractor for basis for estimation, by change identification oil well load change and the not enough situation of change of oil well feed flow of curve, automatic calculating regulates the frequency size of frequency converter, efficiently solves the problem that automatic frequency-conversion device identification operating mode deviation of the prior art is large, cannot differentiate the not enough hole condition of feed flow.
2, ginseng device adjusted automatically by the oil pumper that this device adopts, and do not need mounting temperature sensor, improves oil pumper and automatically adjusts and refer and synthesize rationality, decrease system hardware cost.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a ginseng device adjusted automatically by oil pumper, and wherein, described oil pumper comprises motor, and described motor is used for providing power to described oil pumper, it is characterized in that, described oil pumper adjusts ginseng device to comprise automatically:
Frequency converter, described frequency converter is connected with described motor, for controlling the rotating speed of described motor;
Controller, described controller is connected with described frequency converter, for controlling the electrical quantity of described frequency converter;
Wherein, described controller by controlling the electrical quantity of described frequency converter, thus obtains the changed power situation of described motor, and regulates the output frequency of described frequency converter according to the changed power situation of motor, thus realizes controlling the rotating speed of described motor.
2. device as claimed in claim 1, it is characterized in that, described controller specifically comprises:
Upstroke speed control unit, is connected with described frequency converter, the output frequency of described frequency converter during for controlling described oil pumper upstroke;
Down stroke speed control unit, is connected with described frequency converter, the output frequency of described frequency converter during for controlling described oil pumper down stroke;
Electrical quantity collecting unit, is connected with described frequency converter, for the change in displacement information of the output electrical quantity and oil pumper that gather described frequency converter, and obtains the changed power curve of described motor;
Intelligent diagnostics unit, is connected with described upstroke speed control unit, down stroke speed control unit, electrical quantity collecting unit respectively;
Wherein, described intelligent diagnostics unit regulates the output frequency of described frequency converter according to described changed power curve calculation.
3. device as claimed in claim 1, it is characterized in that, described oil pumper comprises upstroke stage and down stroke stage, and wherein, described oil pumper adjusts ginseng device also to comprise automatically:
Position switch, is connected with described controller, and described position switch is for regulating the stroke stage residing for described oil pumper.
4. device as claimed in claim 1, is characterized in that, described oil pumper adjusts ginseng device also to comprise automatically:
Human-computer interface device, described human-computer interface device is connected with described controller, and described human-computer interface device is for arranging the parameter of described controller.
5. device as claimed in claim 1, is characterized in that, the concrete mode that described controller is connected with described frequency converter is that serial communication connects and/or the wired connection of analog signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377855.6U CN204836022U (en) | 2015-06-03 | 2015-06-03 | Device is joined to automatic accent of beam -pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377855.6U CN204836022U (en) | 2015-06-03 | 2015-06-03 | Device is joined to automatic accent of beam -pumping unit |
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| Publication Number | Publication Date |
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| CN204836022U true CN204836022U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377855.6U Withdrawn - After Issue CN204836022U (en) | 2015-06-03 | 2015-06-03 | Device is joined to automatic accent of beam -pumping unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883113A (en) * | 2015-06-03 | 2015-09-02 | 新疆敦华石油技术股份有限公司 | Automatic pumping unit parameter adjusting device and method |
| CN109869137A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | A kind of pumpingh well fixed output quota mode control method based on flowmeter and indicator card |
| CN112502698A (en) * | 2020-12-21 | 2021-03-16 | 方永和 | Variable frequency interference communication device and communication method for oil pumping well |
-
2015
- 2015-06-03 CN CN201520377855.6U patent/CN204836022U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104883113A (en) * | 2015-06-03 | 2015-09-02 | 新疆敦华石油技术股份有限公司 | Automatic pumping unit parameter adjusting device and method |
| CN104883113B (en) * | 2015-06-03 | 2018-03-06 | 新疆敦华石油技术股份有限公司 | A kind of oil pumper adjusts ginseng device and method automatically |
| CN109869137A (en) * | 2017-12-05 | 2019-06-11 | 中国科学院沈阳自动化研究所 | A kind of pumpingh well fixed output quota mode control method based on flowmeter and indicator card |
| CN112502698A (en) * | 2020-12-21 | 2021-03-16 | 方永和 | Variable frequency interference communication device and communication method for oil pumping well |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20180306 |