CN204851226U - Oil pumping motor -pumped well electric work picture collection system - Google Patents
Oil pumping motor -pumped well electric work picture collection system Download PDFInfo
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- CN204851226U CN204851226U CN201520518669.XU CN201520518669U CN204851226U CN 204851226 U CN204851226 U CN 204851226U CN 201520518669 U CN201520518669 U CN 201520518669U CN 204851226 U CN204851226 U CN 204851226U
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Abstract
The utility model provides an oil pumping motor -pumped well electric work picture collection system, this oil pumping motor -pumped well electric work picture collection system is including no linear acceleration transducer module and electric parameter acquisition module, this no linear acceleration transducer module is fixed in on the beam -pumping unit polished rod, send polished rod displacement signal to this electricity parameter acquisition module through short distance wireless transmission, this electricity parameter acquisition module gathers pumping -unit motor's voltage and current signal, voltage and the current signal that to gather are taked care of and are changed with AD, obtain electric power data according to the voltage after the AD conversion with the current signal again, and send electric power data and polished rod displacement information to information center in step through GPRS. This oil pumping motor -pumped well electric work picture collection system low in production cost, technical content is high, and the use is few with maintenance cost, the good reliability, market prospect is good.
Description
Technical field
The utility model relates to oil field development technical field, particularly relates to a kind of rod-pumped well electric work figure acquisition system.
Background technology
Rod-pumped well Real-Time Evaluation refers to by monitoring the real-time status of system, the method of mathematical analysis is used to process and data mining data, realize the function such as fault diagnosis and forecast, Instructing manufacture is to expect reach the optimum management of production and make the object of maximization of economic benefit.Rod-pumped well Real-Time Evaluation mainly pays close attention to the problem of three aspects: one is production equipment normal operation, and failsafe, can reach the application target of equipment, and its major technical fields related to is exactly fault diagnosis and forecast; Two is better can be familiar with equipment, is obtained and understands process parameter, serve the overall situation by the operational factor of equipment; Three is optimum choice of equipment, examines or provide to manufacture and design and optimizing application scheme from aspects such as economic indicator, energy-saving and cost-reducing, efficiency to equipment.Parameter required for evaluation, some easily obtains, some is not easy to obtain, these parameters of Overall Acquisition both not easily realized, do not meet economic requirement, therefore need to choose certain or certain several key parameter as the basic parameter evaluated, within the normal operation cycle that oil pumper is long-term, continuous sampling analysis is carried out to these parameters yet, to obtain the variation tendency of oil pumper, thus reach the object of evaluation.First these parameters must be comparatively comprehensively can reflect system condition, and have steady in a long-term and highly reliable data acquisition approach, secondly should have high accuracy and low cost, the easy feature realized.Only in this way, the requirement of satisfied variation tendency description that oil pumper is operated for a long time can just be met.
At present for the method that the Real-Time Evaluation of pumping production system mainly adopts polished rod diagram to analyze, the load transducer that this method is used is arranged on the oil-extractor polish-rod of continuous moving, and be in for a long time in the drawing process of fluctuating load, easily cause coefficient of elasticity to change even to lose efficacy, target for highly reliable, high accuracy, low cost is difficult to take into account, and this has had a strong impact on the effect of Real-Time Evaluation.Displacement, load transducer need to be arranged on frame and polished rod, and be connected with master instrument by the lead-in wire of longer distance, add that load transducer moves along with oil pumper with lead-in wire and moves, not only easily break down, and easily stolen or destroy, cause reliability decrease, maintenance workload increases, cost up.Most of dynamometer card analysis method is all static, have ignored the dynamic response characteristic of system.We have invented a kind of new rod-pumped well electric work figure acquisition system for this reason, solve above technical problem.
Utility model content
The purpose of this utility model is to provide a kind of rod-pumped well electric work figure acquisition system that can realize dynamic monitoring.
The purpose of this utility model realizes by following technical measures: rod-pumped well electric work figure acquisition system, this rod-pumped well electric work figure acquisition system comprises Wireless Acceleration Sensor module and electrical quantity acquisition module, this Wireless Acceleration Sensor module is fixed on oil-extractor polish-rod, and send polished rod displacement signal to this electrical quantity acquisition module by short-distance wireless transmission mode, this electrical quantity acquisition module gathers voltage and the current signal of pumping-unit motor, the voltage collected and current signal are carried out conditioning and A/D changes, electrical power data are obtained again according to the voltage after A/D conversion and current signal, and electrical power data and oil-extractor polish-rod displacement information are passed through GPRS synchronous driving to information centre.
The purpose of this utility model also realizes by following technical measures:
This Wireless Acceleration Sensor module comprises the acceleration transducer connected successively, signal conditioning circuit, SCM system and wireless transmission circuit, this acceleration transducer is converted to the corresponding signal of telecommunication the acceleration signal of oil-extractor polish-rod, by this signal conditioning circuit, the signal of telecommunication is amplified, filtering, level conversion, become the signal directly can measured by this SCM system, this SCM system carries out real-time sampling to the signal of telecommunication, the digital quantity signal of polished rod displacement is obtained by computational analysis, and send digital quantity signal to this electrical quantity acquisition module by this wireless transmission circuit and be further processed.
This acceleration transducer, this signal conditioning circuit, this SCM system and this wireless transmission circuit overall package are in the housing.
This electrical quantity acquisition module comprises voltage sensor, voltage modulate circuit, current sensor, current regulating circuit, A/D change-over circuit, dsp system, GPRS communicating circuit and wireless receiving circuit, this voltage sensor gathers the three-phase voltage signal of oil pumper, and the three-phase voltage signal of collection is transferred to voltage modulate circuit, this voltage modulate circuit is connected to this voltage sensor, level and dipole inversion are carried out to three-phase voltage signal, this current sensor gathers the three-phase current signal of oil pumper, and the three-phase current signal of collection is transferred to this current regulating circuit, this current regulating circuit is connected to this current sensor, three-phase current signal is amplified, filtering is followed and level and dipole inversion, this A/D change-over circuit is connected to this voltage modulate circuit and this current regulating circuit, oil pumper voltage and current signal through this voltage modulate circuit and this current regulating circuit is carried out analog/digital conversion, this dsp system is connected to this A/D change-over circuit, electrical power calculating is carried out to the oil pumper voltage and current signal through this A/D change-over circuit, this wireless receiving circuit is connected to this dsp system, receive the polished rod displacement signal that this Wireless Acceleration Sensor module transmits, and oil-extractor polish-rod displacement signal is transferred to this dsp system, this GPRS communicating circuit is connected to this dsp system, electrical power data and oil-extractor polish-rod displacement information are sent to information centre by GPRS.
This A/D change-over circuit adopts ADS8365 data acquisition chip to carry out synchronous real time high-speed discrete sampling.
This dsp system adopts TMS320F28335 type digital signal processor.
This GPRS communicating circuit adopts the network controller of SIM900A module composition ICP/IP protocol.
This electrical quantity acquisition module also comprises power circuit, and this power circuit provides power supply for each circuit in this electrical quantity acquisition module.
Because polished rod diagram analytical method also exists the contradiction that can not solve, adopt the sharpest edges of electric work figure analysis method be simple and easy to do for the measuring method of electrical quantity, cost is low, reliability and precision high, be suitable for carrying out online real time collecting and large scale application.The utility model devises a kind of rod-pumped well electric work figure acquisition system, the measurement of polished rod displacement and the judgement of upper bottom dead centre is realized by Wireless Acceleration Sensor, electrical quantity Acquisition Circuit is utilized to realize the synchronous high-speed collection of three-phase voltage and three-phase current, utilize digital signal processing chip (DSP) realization to the high speed processing of electrical quantity certificate and Accurate Analysis, utilize ripe GPRS network technology by polished rod displacement signal and the teletransmission of electrical power real time data synchronization to information centre, realize the object of dynamic monitoring.The beneficial effect that the present invention brings is the non-contact measurement achieving oil-extractor polish-rod displacement, achieve the wireless transmission method of oil-extractor polish-rod displacement data, achieve the synchronous high-speed collection of three-phase voltage and the three-phase current signal of telecommunication, and ensure that high speed and the high accuracy of data acquisition, realize the accurate supercomputing analysis that electricity participates in harmonic wave, achieve the wireless remote function of displacement data and electrical quantity, ensure that transmission speed and quality, achieve remote monitoring and the Real-Time Evaluation of rod-pumped well, save a large amount of manpowers and material resources.This rod-pumped well electric work figure acquisition system cost of production is low, with high content of technology, and O&M expense is few, and reliability is strong, and market prospects are good.
Accompanying drawing explanation
Fig. 1 is the structure chart of a specific embodiment of the Wireless Acceleration Sensor module of rod-pumped well electric work figure acquisition system of the present utility model;
Fig. 2 is the structure chart of a specific embodiment of the electrical quantity acquisition module of rod-pumped well electric work figure acquisition system of the present utility model.
Detailed description of the invention
For making above and other object of the present utility model, feature and advantage can become apparent, cited below particularly go out preferred embodiment, and coordinate institute's accompanying drawings, be described in detail below.
As shown in Figure 1 and Figure 2, be the structure chart of rod-pumped well electric work figure acquisition system of the present utility model.This rod-pumped well electric work figure acquisition system is made up of Wireless Acceleration Sensor module and electrical quantity acquisition module.Wireless Acceleration Sensor module is fixed on oil-extractor polish-rod, and by short-distance wireless transmission mode, oil-extractor polish-rod displacement signal is sent to electrical quantity acquisition module.Electrical quantity acquisition module gathers voltage and the current signal of oil pumper, the voltage collected and current signal are carried out conditioning and A/D changes, voltage after being changed by A/D again and current signal carry out computing and obtain electrical power data, and electrical power data and oil-extractor polish-rod displacement information are passed through GPRS synchronous driving to information centre.
In one embodiment, Wireless Acceleration Sensor module comprises the acceleration transducer 11, signal conditioning circuit 12, SCM system 13 and the wireless transmission circuit 14 that connect successively, acceleration transducer 11, signal conditioning circuit 12, SCM system 13 and wireless transmission circuit 14 overall package form this Wireless Acceleration Sensor module in the housing, and the mode that this radio acceleration sensing module is installed additional fast by bayonet socket is installed on polished rod.Acceleration transducer 11 is converted to the corresponding signal of telecommunication the acceleration signal of oil-extractor polish-rod, amplified by signal conditioning circuit 12 pairs of signals of telecommunication, filtering, level conversion, become the signal directly can measured by single-chip microcomputer, SCM system 13 pairs of signals of telecommunication carry out real-time sampling, obtained the digital quantity signal of polished rod displacement by computational analysis, and send data to electrical quantity acquisition module by short-distance wireless transtation mission circuit 14 and be further processed.
Electrical quantity acquisition module comprises voltage sensor 21, voltage modulate circuit 22, current sensor 23, current regulating circuit 24, A/D change-over circuit 25, dsp system 26, GPRS communicating circuit 27, wireless receiving circuit 28 and power circuit 29.
Voltage sensor 21 gathers the three-phase voltage signal of oil pumper, and the three-phase voltage signal of collection is transferred to voltage modulate circuit 22, and voltage modulate circuit 22 is connected to voltage sensor 21, carries out level and dipole inversion to three-phase voltage signal.
Current sensor 23 gathers the three-phase current signal of oil pumper, and the three-phase current signal of collection is transferred to current regulating circuit 24, current regulating circuit 24 is connected to current sensor 23, amplifies, filtering follows and level and dipole inversion to three-phase current signal.
A/D change-over circuit 25 is connected to voltage modulate circuit 22 and current regulating circuit 24, and the oil pumper voltage and current signal through overvoltage modulate circuit 22 and current regulating circuit 24 is carried out analog/digital conversion.In one embodiment, A/D change-over circuit 25 adopts ADS8365 data acquisition chip to carry out synchronous real time high-speed discrete sampling.ADS8365 is 16 Approach by inchmeal data acquisition chips that 6 Channel Synchronous sample-parallels export, and highest frequency is the six tunnel analog channels of 250KHz, ADS8365 is fully differential input, in order to make full use of the full scale of 0-5V, adopts the pattern of single ended input.
Dsp system 26 is connected to A/D change-over circuit 25, carries out electricity ginseng calculate and harmonic analysis the oil pumper voltage and current signal through A/D change-over circuit 25.In one embodiment, dsp system 26 adopts TMS320F28335 type digital signal processor, has extremely strong data operation disposal ability, and the utility model utilizes it to analyze every electrical quantity of voltage, electric current and each harmonic.Utilize the discrete electric signals that A/D change-over circuit 25 collects, the algorithm combined by ANF+FFT, accurate analysis is carried out to harmonic wave.
Wireless receiving circuit 28 is connected to dsp system 26, the polished rod displacement signal that wireless receiving circuit transmits for receiving acceleration sensor module, and oil-extractor polish-rod displacement signal is transferred to dsp system 26.
GPRS communicating circuit 27 is connected to dsp system 26, and electrical power data and oil-extractor polish-rod displacement signal are passed through GPRS synchronous driving to information centre.In one embodiment, adopt the network controller of SIM900A module composition ICP/IP protocol, dsp system 26 is connected with SIM900A by SCI interface, realizes being connected with the network of GPRS, by simple AT programming instruction, can realize the GPRS communications applications wanted.GPRS downlink data maximum transfer speed is 85.6kbps, and upstream data maximum transfer speed is 42.8kbps, can meet the transmission requirement to polished rod displacement data and electrical quantity certificate completely.
Power circuit 29 provides power supply for this electrical quantity acquisition module.In one embodiment, voltage modulate circuit 22 and current regulating circuit 24 need positive and negative 15V power supply, A/D change-over circuit 25 needs+5V power supply, dsp system 26, GPRS communicating circuit 27 need+3.3V power supply, conveniently on-the-spot test, reduction system bulk, raising reliability, need independent designing power supply circuit.This electrical quantity acquisition module adopts 12V to power, and adopts LM2596S-3.3V to produce 3.3V voltage signal; Isolation type DC-DC converter WRA1215D is utilized to produce positive and negative 15V voltage, for voltage modulate circuit 22 and current regulating circuit 24 provide power supply; LM7805 is adopted to carry out the voltage transitions of 12V to 5V, for this electrical quantity acquisition module provides 5V power supply.
In one embodiment, other mode can be selected to measure the polished rod displacement of oil pumper, but the problem that cost of production is high, the R&D cycle is long, certainty of measurement is low may be brought.The transmission means of displacement data can have other to select.
In one embodiment, other modes can be utilized to carry out the transmission of displacement and electrical quantity certificate, such as electric work figure harvester is connected on internet, communicated with information centre by Internet network, but can not ensure all to have Internet network to cover due to electric work figure harvester job site and costly, its feasibility needs to analyze further and research.
Claims (8)
1. rod-pumped well electric work figure acquisition system, it is characterized in that, this rod-pumped well electric work figure acquisition system comprises Wireless Acceleration Sensor module and electrical quantity acquisition module, this Wireless Acceleration Sensor module is fixed on oil-extractor polish-rod, polished rod displacement signal is sent to this electrical quantity acquisition module by short-distance wireless transmission mode, this electrical quantity acquisition module gathers voltage and the current signal of pumping-unit motor, the voltage collected and current signal are carried out conditioning and A/D changes, electrical power data are obtained again according to the voltage after A/D conversion and current signal, and electrical power data and polished rod displacement information are passed through GPRS synchronous driving to information centre.
2. rod-pumped well electric work figure acquisition system according to claim 1, it is characterized in that, this Wireless Acceleration Sensor module comprises the acceleration transducer connected successively, signal conditioning circuit, SCM system and wireless transmission circuit, this acceleration transducer is converted to the corresponding signal of telecommunication the acceleration information of oil-extractor polish-rod, by this signal conditioning circuit, the signal of telecommunication is amplified, filtering, level conversion, become the signal directly can measured by this SCM system, this SCM system carries out real-time sampling to the signal of telecommunication, the digital quantity signal of polished rod displacement is obtained by computational analysis, and send digital quantity signal to this electrical quantity acquisition module by this wireless transmission circuit and be further processed.
3. rod-pumped well electric work figure acquisition system according to claim 2, is characterized in that, this acceleration transducer, this signal conditioning circuit, this SCM system and this wireless transmission circuit overall package are in the housing.
4. rod-pumped well electric work figure acquisition system according to claim 1, it is characterized in that, this electrical quantity acquisition module comprises voltage sensor, voltage modulate circuit, current sensor, current regulating circuit, A/D change-over circuit, dsp system, GPRS communicating circuit and wireless receiving circuit, this voltage sensor gathers the three-phase voltage signal of oil pumper, and the three-phase voltage signal of collection is transferred to voltage modulate circuit, this voltage modulate circuit is connected to this voltage sensor, level and dipole inversion are carried out to three-phase voltage signal, this current sensor gathers the three-phase current signal of oil pumper, and the three-phase current signal of collection is transferred to this current regulating circuit, this current regulating circuit is connected to this current sensor, three-phase current signal is amplified, filtering is followed and level and dipole inversion, this A/D change-over circuit is connected to this voltage modulate circuit and this current regulating circuit, oil pumper voltage and current signal through this voltage modulate circuit and this current regulating circuit is carried out analog/digital conversion, this dsp system is connected to this A/D change-over circuit, electrical power calculating is carried out to the oil pumper voltage and current signal through this A/D change-over circuit, this wireless receiving circuit is connected to this dsp system, receive the polished rod displacement signal that this Wireless Acceleration Sensor module transmits, and oil-extractor polish-rod displacement information is transferred to this dsp system, this GPRS communicating circuit is connected to this dsp system, electrical power data and oil-extractor polish-rod displacement signal are passed through GPRS synchronous driving to information centre.
5. rod-pumped well electric work figure acquisition system according to claim 4, is characterized in that, this A/D change-over circuit adopts ADS8365 data acquisition chip to carry out synchronous real time high-speed discrete sampling.
6. rod-pumped well electric work figure acquisition system according to claim 4, is characterized in that, this dsp system adopts TMS320F28335 type digital signal processor.
7. rod-pumped well electric work figure acquisition system according to claim 4, is characterized in that, this GPRS communicating circuit adopts the network controller of SIM900A module composition ICP/IP protocol.
8. rod-pumped well electric work figure acquisition system according to claim 4, it is characterized in that, this electrical quantity acquisition module also comprises power circuit, and this power circuit provides power supply for each circuit in this electrical quantity acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518669.XU CN204851226U (en) | 2015-07-16 | 2015-07-16 | Oil pumping motor -pumped well electric work picture collection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518669.XU CN204851226U (en) | 2015-07-16 | 2015-07-16 | Oil pumping motor -pumped well electric work picture collection system |
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| CN204851226U true CN204851226U (en) | 2015-12-09 |
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| CN201520518669.XU Expired - Fee Related CN204851226U (en) | 2015-07-16 | 2015-07-16 | Oil pumping motor -pumped well electric work picture collection system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854986A (en) * | 2016-12-15 | 2017-06-16 | 中国石油天然气股份有限公司 | System and method for measuring and calculating indicator diagram of polished rod of pumping well |
| CN107687332A (en) * | 2017-09-08 | 2018-02-13 | 张雅芝 | Screw pump and working conditions of oil extractor on-line analysis diagnosis and control method of adjustment and device are realized using electrical parameter |
| CN107725031A (en) * | 2017-10-10 | 2018-02-23 | 东北大学 | A kind of indicator card harvester and method based on electrical power and counterweight |
| CN109164297A (en) * | 2018-07-25 | 2019-01-08 | 中国石油天然气股份有限公司 | Multifunctional electric meter |
| CN109826615A (en) * | 2017-11-20 | 2019-05-31 | 中国石油化工股份有限公司 | Oil well energy saving production control system |
| 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 |
| CN113030570A (en) * | 2021-03-22 | 2021-06-25 | 宁夏隆基宁光仪表股份有限公司 | Harmonic electric energy detection method and adaptive filter |
-
2015
- 2015-07-16 CN CN201520518669.XU patent/CN204851226U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106854986A (en) * | 2016-12-15 | 2017-06-16 | 中国石油天然气股份有限公司 | System and method for measuring and calculating indicator diagram of polished rod of pumping well |
| CN107687332A (en) * | 2017-09-08 | 2018-02-13 | 张雅芝 | Screw pump and working conditions of oil extractor on-line analysis diagnosis and control method of adjustment and device are realized using electrical parameter |
| CN107687332B (en) * | 2017-09-08 | 2020-01-31 | 张雅芝 | Method and device for realizing on-line analysis, diagnosis, control and adjustment of working conditions of screw pump and pumping unit by using electric parameters |
| CN107725031A (en) * | 2017-10-10 | 2018-02-23 | 东北大学 | A kind of indicator card harvester and method based on electrical power and counterweight |
| CN107725031B (en) * | 2017-10-10 | 2020-09-11 | 东北大学 | Indicator diagram acquisition device and method based on electric power and balance weight |
| CN109826615A (en) * | 2017-11-20 | 2019-05-31 | 中国石油化工股份有限公司 | Oil well energy saving production control system |
| CN109164297A (en) * | 2018-07-25 | 2019-01-08 | 中国石油天然气股份有限公司 | Multifunctional electric meter |
| 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 |
| CN113030570A (en) * | 2021-03-22 | 2021-06-25 | 宁夏隆基宁光仪表股份有限公司 | Harmonic electric energy detection method and adaptive filter |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160716 |