CN204807092U - Beam -pumping unit failure diagnosis device and system based on space orientation - Google Patents
Beam -pumping unit failure diagnosis device and system based on space orientation Download PDFInfo
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- CN204807092U CN204807092U CN201520305335.4U CN201520305335U CN204807092U CN 204807092 U CN204807092 U CN 204807092U CN 201520305335 U CN201520305335 U CN 201520305335U CN 204807092 U CN204807092 U CN 204807092U
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Abstract
The utility model discloses a beam -pumping unit failure diagnosis device and system based on space orientation, the device include triaxial acceleration sensor, three -axis gyroscope, triaxial magnetic field meter, central processing unit and power, and triaxial acceleration sensor, three -axis gyroscope, the score of triaxial magnetic field bie are connected with central processing unit, triaxial acceleration sensor sends the acceleration data who senses for central processing unit, and three -axis gyroscope sends the angle column who senses for central processing unit, and central processing unit is given with the magnetic field intensity data transmission who senses to triaxial magnetic field meter, and central processing unit handles above -mentioned data. The utility model discloses the completion that can humanize very much before many equipment can not accomplish the function, add jointly location with the magnetic field sensor of MEMSization ingeniously, improved the performance of system, through the motion state of the oil well beam -pumping unit to obtaining, with the assay of mutually supporting of wireless system gained electric current curve, judge the fault type of oil pumping motor -pumped well appearance.
Description
Technical field
The utility model relates to a kind of for oil well failure diagnostic device, specifically relates to a kind of based on sterically defined Fault Diagnoses of Oil Pump Apparatus and system.
Background technology
In our times Petroleum Production, particularly latter period of oilfield development, sucker-rod pumping mode occupies very large proportion.Field produces is carried out often in the wild, and geographic position disperses, and physical environment is severe, and underground working is complicated, the fault diagnosis causing oil pumper not in time with fault handling not in time, have a strong impact on output and the economic benefit in oil field.Therefore the fault diagnosis of oil pumper is a difficult problem in field produces field always.Immediate analysis working conditions of oil extractor, provides reliable fault diagnosis result and suggestion, to raising production efficiency of oilfields and economic benefit has and important meaning.
At present, every mouthful of well is all equipped with wireless polling system, rod-pumped well parameter detecting is mainly comprised measure returning-oil temperature, maximum current, minimum current, mean-square current, heat washes temperature, water mixing temperature, water mixing pressure, jig frequency etc.By analysis, because current curve is a kind of regular waveform, arbitrary current curve all indicates the duty of pumping well system.Therefore, if pumping well system sucker rod string, speed reduction unit, four-bar mechanism (comprising crank, connecting rod and trip fine strain of millet) etc. break down, must make the form of current curve that corresponding change also occurs, the fault of known rod-pumped well and the working current of rod-pumped well have relation.The current curve shape of a jig frequency (cycle) or the change of moon cyclic curve generation different situations can be caused when oil pumper imbalance, rod parting and eccentric wear.By the analysis to current curve characteristic parameter, the fault type that rod-pumped well occurs can be judged.
But the current curve of these tests is incomplete, is many times subject to extraneous interference, a large amount of mistakes can be produced.Therefore how effectively to be obtained the motion state of pumping unit of well by existing new technical means, cooperatively interacting with current curve, improving accuracy of detection is a very important job.
Utility model content
The purpose of this utility model overcomes deficiency of the prior art, provide a kind of based on sterically defined Fault Diagnoses of Oil Pump system, can according to current walking beam on pumping units real time kinematics situation, the change of different situations when early warning oil pumper imbalance, rod parting and eccentric wear.By to the analysis of walking beam in spatial movement parameter, the fault type that rod-pumped well occurs can be judged.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Based on sterically defined Fault Diagnoses of Oil Pump device, comprise 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field meter, central processing unit and power supply, the score of described 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field is not connected with central processing unit, and described power supply is taken into account central processing unit power to 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field;
The acceleration information sensed is sent to central processing unit by described 3-axis acceleration sensor, the angle-data sensed is sent to central processing unit by three-axis gyroscope, the magnetic field strength date sensed is sent to central processing unit by three-axle magnetic field meter, and central processing unit processes above-mentioned data.
As a kind of preferred embodiment of the present utility model, described 3-axis acceleration sensor and three-axis gyroscope are integrated chip, and this chip model is MPU6050.
As a kind of preferred embodiment of the present utility model, the model of described three-axle magnetic field meter is RMG144.
As a kind of preferred embodiment of the present utility model, described 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field meter are all connected with central processing unit by I2C bus.
Based on sterically defined Fault Diagnoses of Oil Pump system, comprise as mentioned above based on sterically defined Fault Diagnoses of Oil Pump device, also comprise wireless transmitter module, wireless receiving module and computing machine, wireless transmitter module is connected with central processing unit, wireless receiving module is connected with computing machine, radio communication between wireless transmitter module and wireless receiving module.
Compared with prior art, the beneficial effects of the utility model are:
The utility model can very hommization complete many before equipment can not complete function, dexterously the magnetic field sensor of MEMSization is joined co-located, through the algorithm optimized, the performance of the system that improves both strengthened, the process that the walking beam top of oil pumper and hawser need the position detected to move can be described in real time accurately aloft, by the motion state to the pumping unit of well obtained, the current curve obtained with wireless polling system cooperatively interacts and analyzes, and can judge the fault type that rod-pumped well occurs.Effectively control cost again, highlight the achievement of Present S & T Development.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model based on sterically defined Fault Diagnoses of Oil Pump system.
Fig. 2 is the schematic flow sheet of the utility model based on sterically defined Fault Diagnoses of Oil Pump system.
Fig. 3 is the scheme of installation of the utility model based on sterically defined Fault Diagnoses of Oil Pump device.
Wherein: 1 is 3-axis acceleration sensor, 2 is three-axis gyroscope, and 3 is three-axle magnetic field meter, and 4 is central processing unit, 5 is power supply, 6 is wireless transmitter module, and 7 is wireless receiving module, and 8 is computing machine, 101 is the walking beam of oil pumper, 102 is the hawser interface of oil pumper, and 103 is the top, two sides of oil pumper, and 104 is the crank of oil pumper.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, based on sterically defined Fault Diagnoses of Oil Pump system, comprise the induction chip MPU6050 of a 3-axis acceleration sensor 1 and three-axis gyroscope 2 composition, a three-axle magnetic field meter 3, the acceleration sensed, angle and magnetic field intensity, by I2C bus, are sent to central processing unit 4 by these two sensing chip MPU6050 and RMG144.Data after process are sent to long-range computing machine 8 by wireless transmission method by central processing unit 4.
As shown in Figure 2, be computing machine 8 pairs of pumping unit of well cranks, connecting rod and trip fine strain of millet other need the space calculation process of one of them device of position that detects.First absolute space coordinates are determined, time after start, computing machine 8 determines that angular velocity is 0 under original state, the accekeration of each axle, and determine that the acceleration of these three axles is made a concerted effort value and direction thereof.Then determine the field strength values of three axles now, calculate their size direction, conjunction magnetic field.
As shown in Figure 3, taking gravity direction as the negative direction of Z axis, take magnetic force direction as Y-axis positive dirction, gets and just gives unique direction of this both direction to be X-axis, and with the positive dirction of right hand theorem determination X-axis.Now just can break away from the position residing for chip, the real-time position residing for determination space, depicts in absolute space, positioning chip the position of moving.
As shown in Figure 3, position 101 is walking beams of oil pumper, and the top, two sides that the hawser interface that position 102 is oil pumpers, position 103 are oil pumpers, position 104 is cranks of oil pumper.101 to 104 is all the position needing to install trouble-shooter.
After completing initialization, these three sensors are passed the data of coming and carry out digital filtering by central processing unit 4, enable signal effectively anti-interference.Then these data are carried out package, added the operations such as correction code, to allow the error code mistake of transmitting procedure drop to minimum.These data are sent to wireless transmitter module 6.Whole system is placed in the blade of aerogenerator unit.
Power module 5 is responsible for the power supply of whole trouble-shooter.
Trouble-shooter can be arranged on the walking beam top of oil pumper and hawser, comprise the position that crank, connecting rod and other needs of trip fine strain of millet detect, and oil pumper can install multiple trouble-shooter.
Wireless receiving module 7 is responsible for receiving the decode, and it and wireless transmitter module 6 all adopt ZIGBEE equipment or special 2.4G radio communication.
Computing machine 8 is according to the acceleration information of each axle of real-time acquisition acceleration transducer 1 and gyro sensor 2 and angle information.Utilize the absolute coordinate system set up as described above, the integrated acceleration according to each axle calculates current speed value, then integration calculates the shift value of each axle.According to magnitude of angular velocity, integration calculates current angle.Then these data are recorded among database.
After obtaining each current axle acceleration, according to the variable quantity of angle, the real-time angle calculating current gravity and should be in, then by the size of gravity in initialization procedure above, calculate the component that gravity is fastened at three absolute coordinatess respectively, and weed out.
Then according to the data that three-axle magnetic field meter 3 is real-time, with the angle obtained, velocity information comparison, the weighting doing two data is corrected.To guarantee that the nonlinearities change of accekeration and gyrostatic drift equal error can not produce the error of accumulation in data final again, ensure the stability of system cloud gray model.
After completing above calculating, the triaxial coordinate point of getting the bid residing for settled front space track location system in space coordinates that just can be real-time, its present speed of acquisition, angle, acceleration that also can be real-time.These data are all recorded in the database in central processing unit buffer memory, the process that the walking beam top of oil pumper and hawser need the position detected to move can be described in real time accurately aloft.By the motion state to the pumping unit of well obtained, the current curve obtained with wireless polling system cooperatively interacts and analyzes, and can judge the fault type that rod-pumped well occurs.
For current curve, the features such as maximum current, peak value, minor peaks, valley, difference, mean-square current, upstroke can show the operation conditions of rod-pumped well.For crank, connecting rod and trip fine strain of millet, other need the space motion location of the position detected can Real-time Feedback confirm these true effects run.
Then root tool characteristic parameter sets up failure symptom collection is, by the current curve analysis causing motor operation irregularity, to the space tracking of the abnormal motion of all parts, obtain oil pumper major failure collection, and namely oil pumper is uneven; Rod parting; Sucker rod partial wear etc.
Claims (5)
1. based on sterically defined Fault Diagnoses of Oil Pump device, it is characterized in that: comprise 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field meter, central processing unit and power supply, the score of described 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field is not connected with central processing unit, and described power supply is taken into account central processing unit power to 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field;
The acceleration information sensed is sent to central processing unit by described 3-axis acceleration sensor, the angle-data sensed is sent to central processing unit by three-axis gyroscope, the magnetic field strength date sensed is sent to central processing unit by three-axle magnetic field meter, and central processing unit processes above-mentioned data.
2. according to claim 1 based on sterically defined Fault Diagnoses of Oil Pump device, it is characterized in that: described 3-axis acceleration sensor and three-axis gyroscope are integrated chip, this chip model is MPU6050.
3. according to claim 1 based on sterically defined Fault Diagnoses of Oil Pump device, it is characterized in that: the model of described three-axle magnetic field meter is RMG144.
4. according to claim 1 based on sterically defined Fault Diagnoses of Oil Pump device, it is characterized in that: described 3-axis acceleration sensor, three-axis gyroscope, three-axle magnetic field meter are all connected with central processing unit by I2C bus.
5. based on sterically defined Fault Diagnoses of Oil Pump system, comprise as claimed in claim 1 based on sterically defined Fault Diagnoses of Oil Pump device, it is characterized in that: also comprise wireless transmitter module, wireless receiving module and computing machine, wireless transmitter module is connected with central processing unit, wireless receiving module is connected with computing machine, radio communication between wireless transmitter module and wireless receiving module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305335.4U CN204807092U (en) | 2015-05-13 | 2015-05-13 | Beam -pumping unit failure diagnosis device and system based on space orientation |
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| CN201520305335.4U CN204807092U (en) | 2015-05-13 | 2015-05-13 | Beam -pumping unit failure diagnosis device and system based on space orientation |
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| CN204807092U true CN204807092U (en) | 2015-11-25 |
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| CN201520305335.4U Expired - Fee Related CN204807092U (en) | 2015-05-13 | 2015-05-13 | Beam -pumping unit failure diagnosis device and system based on space orientation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792427A (en) * | 2018-08-01 | 2020-02-14 | 中国石油天然气股份有限公司 | Pumping unit detection device, pumping unit alarm device and pumping unit alarm system |
| CN111256973A (en) * | 2020-02-28 | 2020-06-09 | 河海大学 | Valve working condition diagnosis device and diagnosis method thereof |
-
2015
- 2015-05-13 CN CN201520305335.4U patent/CN204807092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792427A (en) * | 2018-08-01 | 2020-02-14 | 中国石油天然气股份有限公司 | Pumping unit detection device, pumping unit alarm device and pumping unit alarm system |
| CN111256973A (en) * | 2020-02-28 | 2020-06-09 | 河海大学 | Valve working condition diagnosis device and diagnosis method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |