CN202788767U - Automatic frequency conversion device of pumping unit - Google Patents
Automatic frequency conversion device of pumping unit Download PDFInfo
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- CN202788767U CN202788767U CN 201220376031 CN201220376031U CN202788767U CN 202788767 U CN202788767 U CN 202788767U CN 201220376031 CN201220376031 CN 201220376031 CN 201220376031 U CN201220376031 U CN 201220376031U CN 202788767 U CN202788767 U CN 202788767U
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Abstract
The utility model discloses an automatic frequency conversion device of a pumping unit. The device comprises a frequency converter, a control device an external parameter detection device, wherein the frequency converter is used for controlling the rotary speed of an electric motor, the control device is used for acquiring working state parameters of the frequency converter, the external parameter detection device is used for detecting external parameters of a pumping well and transmitting external parameters to the control device, and the control device acquires working state parameters of the frequency converter and external parameters so as to automatically control the output frequency of the frequency converter. The control device can monitor information such as the frequency converter and well temperature parameters in real time, the frequency of the frequency converter is automatically calculated and adjusted in accordance with the acquired parameter information and the well condition change range in real time, the problems that in the prior art, the manual adjustment is high in labor strength, the working procedure is complex and tedious and the real time is poor are solved, and the technical effect that the frequency modulation of the pumping unit is quick, timely and simple.
Description
Technical field
The utility model relates to technical field of petroleum extraction, relates in particular to a kind of oil pumper automatic frequency-conversion device.
Background technology
In exploitation, mainly adopt the steam soak mode to produce at viscous crude.Aborning; the oil pumper working condition is subjected to downhole temperature; the Crude viscosity impact is larger; when temperature and viscosity change; in time adjust the oil pumper operation condition as not changing according to hole condition, then can cause pumping efficiency to reduce waste of energy; even can cause oil pumping machine fault to be shut down, impact is produced.
The most traditional mode is manually to change belt pulley to change jig frequency, and this obviously can not in time come adjusting stroke frequency according to hole condition.Along with in the last few years, the development of converter technology, all used frequency converter to regulate beam-pumping unit jig frequency at a lot of oil wells, but utility model people finds in the process that realizes present embodiment, although use the adjusting beam-pumping unit jig frequency that frequency converter can both be very freely, but every mouthful all needs manually to test rear adjusting, and hole condition is not stopping variation, this just needs manually often to go test to regulate, often all because manual adjustment work loaded down with trivial details, complicated and untimely and make the oil well major part that frequency converter has been installed all not realize changing according to hole condition to accomplish timely adjusting stroke frequency, not reach energy-saving and production-increase effect in the ideal.
The utility model content
The utility model is by providing a kind of oil pumper automatic frequency-conversion device, solved in the prior art and can not change the technical problem of in time adjusting jig frequency according to hole condition, overcome large, the operation very complicated of labour intensity of existing oil pumper employing manual type, the deficiency that real-time is poor.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of oil pumper automatic frequency-conversion device, wherein, described oil pumper comprises motor, described motor is used for providing power to described oil pumper, described oil pumper automatic frequency-conversion device comprises: frequency converter, be connected with described motor, and described frequency converter is used for controlling the rotating speed of described motor; Control device is connected with described frequency converter, and described control device is used for obtaining the working status parameter of described frequency converter; The external parameter checkout gear is connected with described control device, and described external parameter checkout gear is for detection of the external parameter of pumpingh well, and described external parameter is transferred to described control device; Wherein, described control device is by obtaining working status parameter and the described external parameter of described frequency converter, to realize the automatic control to the output frequency of described frequency converter.
Further, described oil pumper automatic frequency-conversion device also comprises: described control device specifically comprises: the converter parameter detecting unit is connected with described frequency converter, for detection of described working status parameter; External parameter obtains the unit, is connected with described external parameter checkout gear, is used for obtaining described pumpingh well external parameter; The frequency output unit is connected with described frequency converter, is used for transmitting output frequency to described frequency converter; Frequency control unit is connected with described converter parameter detecting unit, external parameter acquisition unit, frequency output unit respectively; Wherein, described frequency control unit calculates the described output frequency of frequency converter according to described frequency converter working status parameter and described pumpingh well external parameter, and passes to described frequency converter, is used for realization to the automatic control of described frequency converter.
Further, described oil pumper automatic frequency-conversion device also comprises: described oil pumper comprises upstroke stage and down stroke stage, wherein, described oil pumper automatic frequency-conversion device also comprises: stroke adjuster, be connected with described control device, described stroke adjuster is used for regulating the detection rhythm of described converter parameter detecting unit, so that accurately obtain the working status parameter of the described frequency converter in described oil pumper upstroke stage and down stroke stage.
Further, described oil pumper automatic frequency-conversion device also comprises: human-computer interface device, and described human-computer interface device is connected with described control device, and described human-computer interface device is used for the detection rhythm of the described converter parameter detecting unit of manual adjustment.
Further, described oil pumper automatic frequency-conversion device also comprises: the external parameter checkout gear is specially temperature-detecting device, and described temperature-detecting device is for detection of the wellhead temperature parameter of pumpingh well.
Further, described oil pumper automatic frequency-conversion device also comprises: the concrete mode that described control device is connected with described frequency converter is the wired connection of serial communication connection and analog signals.
One or more technical schemes that the utility model provides have following technique effect or advantage at least:
Owing to adopted the information such as control device Real-Time Monitoring frequency converter, oil temperature parameter, and it is big or small automatically to calculate the frequency of regulating frequency converter according to the hole condition amplitude of variation in real time according to the acquisition parameter information, so, efficiently solve large, the operation very complicated of manual type adjustment labour intensity of the prior art, the deficiency that real-time is poor, reached oil pumper frequency modulation fast, in time, simple technique effect.
Description of drawings
Fig. 1 is the automatic frequency-conversion apparatus structure schematic diagram of the utility model embodiment;
Fig. 2 is the schematic diagram of the oil pumper automatic frequency-conversion method of the utility model embodiment;
Fig. 3 is the another schematic diagram of the oil pumper automatic frequency-conversion method of the utility model embodiment.
The specific embodiment
The utility model embodiment is by adopting the information such as control device Real-Time Monitoring frequency converter, oil temperature parameter, and it is big or small automatically to calculate the frequency of regulating frequency converter according to the hole condition amplitude of variation in real time according to the acquisition parameter information, so, efficiently solve large, the operation very complicated of manual type adjustment labour intensity of the prior art, the deficiency that real-time is poor, reached oil pumper frequency modulation fast, in time, simple technique effect.
Technical scheme in the embodiment of the present application is for solving the problem of above-mentioned manual debugging mode, and general thought is as follows:
The utility model embodiment provides a kind of oil pumper automatic frequency-conversion device, wherein, working status parameter and the external parameter of the external parameter checkout gear pumpingh well that the obtain power stage of automatically controlling frequency converter of control device by collecting frequency converter reaches the rotating speed of auto-controlled motor.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete embodiment technique scheme is described in detail.
As shown in Figure 1, the utility model embodiment provides a kind of oil pumper automatic frequency-conversion device, wherein, described oil pumper comprises motor 1, described motor 1 is used for providing power to described oil pumper, and the automatic frequency-conversion device is by the rotating speed of frequency converter 2 control motor 1.Particularly, oil pumper automatic frequency-conversion device comprises frequency converter 2, control device 3, and external parameter checkout gear 4, wherein:
Frequency converter 2 is connected with described motor 1, and described frequency converter 2 is used for controlling the rotating speed of described motor 1;
Control device 3 is connected with described frequency converter 2, and described control device 1 is used for obtaining the working status parameter of described frequency converter 2;
External parameter checkout gear 4 is connected with described control device 3, and described external parameter checkout gear 4 is for detection of the external parameter of pumpingh well, and described external parameter is transferred to described control device 3;
Wherein, described control device 3 is by obtaining working status parameter and the described external parameter of described frequency converter 2, to realize the automatic control to the output frequency of described frequency converter 2, specifically, control device 3 is connected to the input control end of frequency converter 2 to finish the control to the output frequency of frequency converter 2, the concrete mode that control device 3 is connected with frequency converter 2 is that serial communication connects and the analog signals wired connection, wherein, serial communication connects and is used for arranging frequency variation signal, and analog quantity communication wired connection is used for gathering the electric quantity data of motor 1.
Further, control device 3 is again by converter parameter detecting unit 31, and frequency output unit 32, frequency control unit 33, external parameter obtain unit 34 and form, wherein,
Converter parameter detecting unit 31 is connected with described frequency converter 2, working status parameter for detection of described frequency converter 2, particularly, converter parameter detecting unit 31 is connected with the feedback input end of frequency converter 2, and obtains the working status parameter such as power output, electric current, frequency signal, electric weight of frequency converter 2.For instance, converter parameter detecting unit 31 can be arranged to the automatic computing unit of electric weight, the output electric weight situation by frequency converter 2 in the automatic accumulation unit of account time is as the working status parameter of frequency converter 2.
External parameter obtains unit 34, is connected with described external parameter checkout gear 4, is used for obtaining described pumpingh well external parameter, and particularly, it can be temperature measuring set that external parameter obtains unit 34, obtains in real time the temperature parameter of well head by temperature measuring set.
Frequency output unit 32 is connected with described frequency converter 2, is used for transmitting output frequency to described frequency converter 2, and particularly, frequency output unit 32 is connected with the control signal input of frequency converter 2, and then the frequency output of control frequency converter 2.
Frequency control unit 33 is connected with described converter parameter detecting unit 31, external parameter acquisition unit 34, frequency output unit 32 respectively;
Wherein, described frequency control unit 33 calculates the described output frequency of frequency converter 2 according to described frequency converter 2 working status parameter and described pumpingh well external parameter, and passes to described frequency converter 2, is used for realization to the automatic control of described frequency converter 2.
In addition, this oil pumper automatic frequency-conversion device can also comprise man-machine interface 6, realize manually the automatic frequency-conversion device being carried out manual intervention by man-machine interface 6, so that the man-machine interaction of automatic frequency-conversion device is better, particularly, man-machine interface 6 can be carried out programming to control device 3, in the laggard line parameter setting of system's installation, comprise the electric weight accumulated time, amplitude of variation a reference value, temperature range, the up-down stroke frequency, velocity ratio etc., and can the display system running status, system failure information etc.
Further, in view of in heavy oil wells in the operating characteristic of a steam in injection-production cycle, the motion state of motor 1 can be divided into upstroke and two stages of down stroke, in order better to make converter parameter detecting unit 31 obtain more accurately information setting position switch 5, and by the upstroke of position switch 5 judgement oil pumpers and the running gear of down stroke, help the accurately working status parameter of the upper and lower stroke of calculating of converter parameter detecting unit 31, such as the output electric weight situation of frequency converter 2 in the automatic accumulation unit of account time.On the other hand, can also set by man-machine interface 6 occurrence of unit interval.
The utility model embodiment also provides a kind of oil pumper automatic frequency-conversion method, as shown in Figure 2:
Step S110: the information about power that obtains oil pumper upstroke and the motor in down stroke stage;
Step S120: the temperature information that obtains pumpingh well;
Step S130: calculate acquisition information about power variable quantity and temperature information variable quantity according to described information about power and described temperature information;
Step S140: the working conditions change information that obtains pumpingh well;
Step S150: according to described information about power variable quantity, described temperature information variable quantity and described working condition of pumping well change information, calculate the first speed governing amplitude of operating mode on the described pumpingh well and/or lower operating mode stroke;
Step S160: described the first speed governing amplitude is sent to frequency converter, be used for realization to the automatic frequency-conversion control of oil pumper.
In order to realize man-machine interaction, automatic frequency-conversion method of the present utility model has also comprised interactive process, and detailed process is as follows:
Obtain human-machine interactive information;
Produce the second speed governing amplitude according to described human-machine interactive information;
Adjust described the first speed governing amplitude according to described the second speed governing amplitude, and produce the 3rd speed governing amplitude;
Described the 3rd speed governing amplitude is sent to frequency converter.
For the oil pumper automatic frequency-conversion method of present embodiment better is described, the utility model embodiment will lift a concrete example and be explained, as shown in Figure 3.
Step 210: according to heavy oil wells Crude viscosity and temperature variations, the operation of heavy oil wells is divided into four operating modes, 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 oil temperatures and Crude viscosity, 3 li of control device and its corresponding different temperature and electric quantity consumption value just arranged;
Step 220: after the oil pumper operation, converter parameter detecting unit 31 is according to the electric weight of the analog quantity feedback signal calculating oil pumper upper and lower stroke unit interval internal consumption of position switch 5 and frequency converter 2, and double electric quantity change trend and the trend of calculating; And oil pumper real monitoring temperature of when work changes.
Step 230: frequency control unit 33 is according to the operating mode at the current place of oil well, electric weight, range of temperature and trend automatic decision oil well condition variation tendency, automatic switchover operating mode when condition satisfies the operating mode switching condition, and according to working conditions change, electric weight, range of temperature calculate upper and lower stroke speed governing amplitude;
Step 240: frequency output unit 32, specifically can be upstroke frequency output unit 321 and down stroke frequency output unit 322, according to the frequency change value that frequency control unit 33 calculates, carry out the corresponding control to frequency converter 2;
Step 250: after frequency adjustment is finished, continue the new electric weight of beginning and calculate, carry out in the next loop control.
As mentioned above, after the whole system installation arranges and finishes enforcement, control device 3 continuous cumulative comparison frequency converter output electric weight, when the electric quantity change amplitude meets or exceeds setting value, according to amplitude of variation size and the current hole condition of temperature variations automatic decision oil well, and calculate the frequency adjustment sizes values, upstroke frequency output unit 321 and down stroke frequency output unit 322 are with serial ports and frequency converter 2 serial communications of frequency adjustment value by control device 3, and directly change on the oil pumper in the frequency converter 2 with the serial port command form, the down stroke frequency values, thereby on the change oil pumper, down stroke speed and velocity ratio, reaching automatic adjusting stroke frequency reaches, the purpose of down stroke velocity ratio, fundamentally solve the heavy oil wells hole condition and changed the complicated frequency modulation difficulty that causes, the problem that frequency modulation is untimely.
Technical scheme in above-mentioned the embodiment of the present application has following technique effect or advantage at least:
Owing to adopted the information such as control device Real-Time Monitoring frequency converter, oil temperature parameter, and it is big or small automatically to calculate the frequency of regulating frequency converter according to the hole condition amplitude of variation in real time according to the acquisition parameter information, so, efficiently solve large, the operation very complicated of manual type adjustment labour intensity of the prior art, the deficiency that real-time is poor, reached oil pumper frequency modulation fast, in time, simple technique effect.
Although described preferred embodiment of the present utility model, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the utility model scope.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (6)
1. oil pumper automatic frequency-conversion device, wherein, described oil pumper comprises motor, described motor is used for providing power to described oil pumper, it is characterized in that described oil pumper automatic frequency-conversion device comprises:
Frequency converter is connected with described motor, and described frequency converter is used for controlling the rotating speed of described motor;
Control device is connected with described frequency converter, and described control device is used for obtaining the working status parameter of described frequency converter;
The external parameter checkout gear is connected with described control device, and described external parameter checkout gear is for detection of the external parameter of pumpingh well, and described external parameter is transferred to described control device;
Wherein, described control device is by obtaining working status parameter and the described external parameter of described frequency converter, to realize the automatic control to the output frequency of described frequency converter.
2. device as claimed in claim 1 is characterized in that, described control device specifically comprises:
The converter parameter detecting unit is connected with described frequency converter, for detection of described working status parameter;
External parameter obtains the unit, is connected with described external parameter checkout gear, is used for obtaining described pumpingh well external parameter;
The frequency output unit is connected with described frequency converter, is used for transmitting output frequency to described frequency converter;
Frequency control unit is connected with described converter parameter detecting unit, external parameter acquisition unit, frequency output unit respectively;
Wherein, described frequency control unit calculates the described output frequency of frequency converter according to described frequency converter working status parameter and described pumpingh well external parameter, and passes to described frequency converter, is used for realization to the automatic control of described frequency converter.
3. device as claimed in claim 1 is characterized in that, described oil pumper comprises upstroke stage and down stroke stage, and wherein, described oil pumper automatic frequency-conversion device also comprises:
Stroke adjuster, be connected with described control device, described stroke adjuster is used for regulating the detection rhythm of described converter parameter detecting unit, so that accurately obtain the working status parameter of the described frequency converter in described oil pumper upstroke stage and down stroke stage.
4. device as claimed in claim 1 is characterized in that, described oil pumper automatic frequency-conversion device also comprises:
Human-computer interface device, described human-computer interface device is connected with described control device, and described human-computer interface device is used for the detection rhythm of the described converter parameter detecting unit of manual adjustment.
5. device as claimed in claim 1 is characterized in that, the external parameter checkout gear is specially temperature-detecting device, and described temperature-detecting device is for detection of the wellhead temperature parameter of pumpingh well.
6. device as claimed in claim 1 is characterized in that, the concrete mode that described control device is connected with described frequency converter is the wired connection of serial communication connection and analog signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376031 CN202788767U (en) | 2012-07-31 | 2012-07-31 | Automatic frequency conversion device of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376031 CN202788767U (en) | 2012-07-31 | 2012-07-31 | Automatic frequency conversion device of pumping unit |
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| CN202788767U true CN202788767U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220376031 Expired - Lifetime CN202788767U (en) | 2012-07-31 | 2012-07-31 | Automatic frequency conversion device of pumping unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573219A (en) * | 2012-07-31 | 2014-02-12 | 新疆敦华石油技术有限公司 | Automatic frequency conversion device and method for pumping units |
| 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 |
-
2012
- 2012-07-31 CN CN 201220376031 patent/CN202788767U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573219A (en) * | 2012-07-31 | 2014-02-12 | 新疆敦华石油技术有限公司 | Automatic frequency conversion device and method for pumping units |
| CN103573219B (en) * | 2012-07-31 | 2016-05-11 | 新疆敦华石油技术股份有限公司 | A kind of oil pumper automatic frequency-conversion device and method |
| 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 |
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| C56 | Change in the name or address of the patentee | ||
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Address after: 834000, Yingbin Road, the Xinjiang Uygur Autonomous Region, Karamay, 69-13-11 Patentee after: Xinjiang Dunhua Petroleum Technology Co.,Ltd. Address before: 834000 Athena garden, 66-60, the Xinjiang Uygur Autonomous Region, Karamay Patentee before: Xinjiang Dunhua Petroleum Technology Co.,Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 834000, Yingbin Road, the Xinjiang Uygur Autonomous Region, Karamay, 69-13-11 Patentee after: XINJIANG DUNHUA PETROLEUM TECHNOLOGY CO.,LTD. Address before: 834000, Yingbin Road, the Xinjiang Uygur Autonomous Region, Karamay, 69-13-11 Patentee before: Xinjiang Dunhua Petroleum Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 834000 second floor, No. 77, Nanxin Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Dunhua Green Carbon Technology Co.,Ltd. Address before: No. 69-13-11, Yingbin Avenue, Karamay, Xinjiang Uygur Autonomous Region 834000 Patentee before: XINJIANG DUNHUA PETROLEUM TECHNOLOGY CO.,LTD. |
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Granted publication date: 20130313 |