CN206431202U - A kind of oil pumper gang of wells remote synchronization efficiency test system - Google Patents
A kind of oil pumper gang of wells remote synchronization efficiency test system Download PDFInfo
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- CN206431202U CN206431202U CN201720029759.1U CN201720029759U CN206431202U CN 206431202 U CN206431202 U CN 206431202U CN 201720029759 U CN201720029759 U CN 201720029759U CN 206431202 U CN206431202 U CN 206431202U
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- parameter acquisition
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Abstract
The utility model provides a kind of oil pumper gang of wells remote synchronization efficiency test system, including several individual well parameter acquisition units and RTU；Individual well parameter acquisition unit exchanges outlet side electrical parameter acquisition module with frequency converter including frequency converter DC side electrical parameter acquisition module；Frequency converter DC side electrical parameter acquisition module includes：The divider resistance and differential amplifier circuit of several series connection are constituted；Frequency converter DC side electrical parameter acquisition module output end is connected by USB data acquisitions card with the RTU.The beneficial effects of the utility model are：The utility model is capable of the data acquisition and teletransmission of remote synchronization measurement clump oil well, realizes the remotely analysis of energy flow point and efficiency calculation, improves testing efficiency.
Description
Technical field
The utility model is related to a kind of oil pumper detection device technical field, more particularly to a kind of oil pumper gang of wells is remotely same
Walk efficiency test system.
Background technology
Sucker rod pumping is one of traditional mechanical oil production model of domestic and international petroleum industry, is also so far always in mechanical oil recovery
The artificial lift mode of absolute status is accounted in mode.In more than 100,000 mouthfuls of machine-pumped oil well of China, rod pumping accounts for 90%,
Its yield accounts for 80% or so of mechanical oil well total output.Oil pumper is the machinery for exchanging oil for electric energy, as how minimum
Electric energy produces oil as much as possible, is the subject matter that oil pumper faces, and is also the energy-saving crucial institute of rod-pumped well
.
The measuring and calculation method of the system effectiveness of conventional rod-pumped well uses conventional method at present, complete with three-phase watt-hour meter
Metering and record into average active power, calculate the day power consumption of system；Hydrodynamic face is surveyed with echometer or other instruments, is led to
Lift height can be calculated by crossing oil pressure, the oil pressure that set pressure gauge is read, set pressure；Liquid output is measured by yield metering device,
And it is converted into daily fluid production rate；The measure that draws oil sample moisture content, then calculation system efficiency, test process, which is substantially, manually to be entered
Row measurement, calculating process is also comparatively laborious, and testing efficiency is low, lack at present specifically designed for cluster well group's efficiency measuring technology and
Means, and it is not carried out synchro measure.
Utility model content
The purpose of this utility model be for oil pumper gang of wells be particularly one drag the oil pumper gang of wells of four patterns there is provided
It is a kind of conveniently to test out that oil pumper gang of wells efficiency and testing efficiency are high, can realize that the oil pumper gang of wells of synchro measure is remotely same
Walk efficiency measurement system.
The utility model is realized by following measure：A kind of oil pumper gang of wells remote synchronization efficiency measurement system, its
It is characterised by, including several individual well parameter acquisition units and RTU；The individual well parameter acquisition unit includes becoming
Frequency device DC side electrical parameter acquisition module exchanges outlet side electrical parameter acquisition module with frequency converter；
The frequency converter DC side electrical parameter acquisition module includes：The divider resistance and differential amplifier circuit of several series connection
Constitute；The differential amplifier circuit output end connects bilateral diode；The frequency converter DC side electrical parameter acquisition module output
End is connected by USB data acquisitions card with the RTU；
The frequency converter output AC electrical parameter acquisition module includes：Current detection module, voltage detection module, frequency
Signal detection module, AD converter and single-chip microcomputer, the single-chip microcomputer output pass through RS-485 communication modules and the long-range survey
Control terminal；
Wherein, the voltage detection module：By the Hall voltage sensor that is bridged two-by-two with the inverter output terminal and
The plastic filter circuit being connected with the Hall voltage sensor output end is constituted；The plastic filter circuit output end passes through institute
AD converter is stated to be connected with the single-chip microcomputer；
The current detection module：It is made up of the current transformer and bleeder circuit being connected with the inverter output terminal；
The bleeder circuit output end is connected by the AD converter with the single-chip microcomputer；
The frequency signal detection module：By Hall voltage sensor and the zero passage ratio being connected with the inverter output terminal
Constituted compared with device；The zero-crossing comparator output end is connected with the single-chip microcomputer；
The individual well parameter acquisition unit also includes:Wireless indicator, wireless digital manometer, wireless digital temperature
Instrument, obliquity sensor, hydrodynamic face metering device and gas-liquid self-measuring device；The wireless indicator, the wireless digital
Manometer and wireless digital thermometric instrument are connected by wireless transport module with RTU；The obliquity sensor,
Hydrodynamic face metering device and gas-liquid self-measuring device are connected by RS-485 communication modules with the RTU.
Wherein, the plastic filter circuit of the voltage detection module is made up of operational amplifier, resistance and electric capacity；The electricity
The amplitude limiter circuit that the output end connection of pressure detection module is made up of bilateral diode.
The model STM32F407 of the single-chip microcomputer；The model AD7656 of the AD converter.
The beneficial effects of the utility model are：The utility model is capable of the data acquisition of remote synchronization measurement clump oil well and remote
Pass, realize the remotely analysis of energy flow point and efficiency calculation, improve testing efficiency.
Brief description of the drawings
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the structured flowchart of individual well parameter acquisition unit in the utility model embodiment.
Fig. 3 is the circuit diagram of frequency converter DC side electrical parameter acquisition module sample circuit in the utility model embodiment.
Fig. 4 is frequency converter DC side electrical parameter acquisition module modulate circuit circuit diagram in the utility model embodiment
Fig. 5 is the circuit diagram of voltage detection module in the utility model embodiment.
Fig. 6 is the circuit diagram of current detection module in the utility model embodiment.
Fig. 7 is the circuit diagram of frequency signal detection module in the utility model embodiment.
Fig. 8 is the connection figure of AD converter in the utility model embodiment.
Fig. 9 is the connection figure of single-chip microcomputer in the utility model embodiment.
Figure 10 is the circuit diagram of power supply module in the utility model embodiment.
Embodiment
The utility model is for the present situation of accurate overall understanding oil pumper gang of wells efficiency test system, with reference to oil and day
Standard (SY/T5266.1996 is tested and calculated to right gas industry on mechanical oil well system effectiveness《Mechanical oil well system effectiveness
Method of testing》) carry out mechanical oil well system effectiveness test, mainly include：
1) test parameter：Testing of electric motors down stroke maximum current, motor upstroke are maximum at oil extractor motor control cabinet
Electric current, motor input average voltage, motor input active power, motor actual power consumption, motor input apparent energy；In trip
The parameters such as indicator card, load, displacement, stroke and jig frequency are tested at the polished rod eye of girder-like oil pump；In the outlet of wellhead casing pipe gate
Place test hydrodynamic face parameter；Casing pressure value is read using in-line meter；
2) parameter such as Liquid output, aqueous, oil density is determined according to statistical parameter；
3) calculating parameter：Effective head, oil pumper effective power, oil-extractor polish-rod power, oil pumper surface efficiency, oil pumping
Machine Downhole efficiency, Analysis of Oil Well System Efficiency, balance of well pumping unit degree etc..As long as so being aware of the defeated of motor in pumping unit system
Enter three-phase voltage, electric current, available power, useless power, motor power (output) factor, motor speed and output torque, polished rod to carry
Lotus, displacement and correspondence time, etc. parameter be that calculating to system effectiveness can be achieved.
For the technical characterstic for illustrating this programme can be understood, below by embodiment, this programme is illustrated.
Referring to Fig. 1 and Fig. 2, the utility model is a kind of oil pumper gang of wells remote synchronization efficiency measurement system, including four
Individual well parameter acquisition unit and RTU（Remote computer）；It is straight that each individual well parameter acquisition unit includes frequency converter
Stream side electrical parameter acquisition module exchanges outlet side electrical parameter acquisition module with frequency converter.
Specifically, frequency converter DC side electrical parameter acquisition module（Referring to Fig. 3）Including：Several series connection divider resistances and
Differential amplifier circuit is constituted；The differential amplifier circuit output end connects bilateral diode；The frequency converter DC side electrical parameter
Acquisition module output end is connected by USB data acquisition cards with RTU；DC voltage is due to its voltage phase
To higher, and it is d. c. voltage signal, thus its voltage collection circuit carries out voltage sample directly by the way of electric resistance partial pressure,
Pass through the conditioning of differential amplifier circuit again（Modulate circuit is as shown in Figure 4）, one can be directly obtained and meet DSP input voltage requirements
Voltage signal, modulate circuit output end connection bilateral diode D12, play a part of protect DSP.
Frequency converter output AC electrical parameter acquisition module includes：Current detection module, voltage detection module, frequency signal
Detection module, AD converter and single-chip microcomputer, the single-chip microcomputer output are whole by RS-485 communication modules and the remote measurement and control
End；
Wherein, voltage detection module（Referring to Fig. 5）Including three sub- voltage detection modules, it is respectively used to detect frequency converter three
Voltage parameter Uab, Ubc and Uac between phase output terminal phase phase, each sub- voltage detection module by with frequency converter three-phase output end
The Hall voltage sensor of mutually alternate connection（U4, U5 and U6）With the plastic filter circuit structure being connected with Hall voltage sensor
Into；Plastic filter circuit output end is connected by AD converter with single-chip microcomputer；Inverter output terminal filter circuit is by operation amplifier
Device, resistance R18 and electric capacity C3, C4 composition；Voltage detection module output end is also associated with the amplitude limit being made up of bilateral diode D1
Circuit.Hall voltage sensor model CHV-25P, combines Fig. 2 detailed descriptions, Uac by taking Uac voltage detection modules as an example
Voltage detection module is specially：Ua ends and Uc ends pass through current-limiting resistance respectively（R1, R2 and R3, R4）With Hall voltage sensor
Pin+HT and pin-HT connections, pin M connections one divider resistance R13, divider resistance the R13 computing in parallel of Hall sensor are put
Big device, resistance R18 and electric capacity C3, C4.
Current detection module（Referring to Fig. 6）：By the current transformer and bleeder circuit connected with frequency converter three-phase output end
Constitute；Bleeder circuit output end is connected by modulate circuit, AD converter and single-chip microcomputer；Current detection module output end is also connected with
There is bilateral diode D4.Specifically, current detection module includes three sub- current detection modules, it is respectively used to detect frequency converter three
Phase output terminal electric current IA, IB, IC, combine Fig. 3 detailed descriptions, IA electron currents detection module tool by taking IA electron current detection modules as an example
Body is：Frequency converter IA output ends, which connect current transformer and current signal is converted into voltage by divider resistance R25 and R26, to be believed
Number, and by being sequentially connected operational amplifier, resistance R31 and electric capacity C9, C10 after resistance R27.
Frequency signal detection module（Referring to Fig. 7）：By the Hall voltage sensor and zero passage being connected with inverter output terminal
Comparator is constituted；Zero-crossing comparator output end is connected with single-chip microcomputer；Specific reference to Fig. 4, frequency signal detection module include with
The amplifying circuit and zero-crossing comparator of electric capacity C7 connections in Uab voltage acquisition modules, amplifying circuit are by operational amplifier
The second amplifying circuit of composition.
Wherein, the model STM32F407 of single-chip microcomputer, pin connection is as shown in Figure 8；The model of AD converter
AD7656, pin connection is as shown in Figure 9；The power supply module of the present apparatus as shown in Figure 10, will not be repeated here.
Referring to Fig. 2, individual well parameter acquisition unit also includes:Wireless indicator（I.e. the displacement of CSF-3GB Wireless loadings is integral
Change sensor）, wireless digital manometer CSY-3GD, wireless digital thermometric instrument HU-43GD, obliquity sensor LVT416T,
DK800 hydrodynamics face metering device and GLAM-II type gas-liquid self-measuring devices；Wireless indicator, wireless digital manometer and
Wireless digital thermometric instrument passes through wireless transport module（Intelligent wireless receiving terminal RTU CSY-1）Connect with RTU
Connect；Obliquity sensor, hydrodynamic face metering device and gas-liquid self-measuring device are whole by RS-485 communication modules and remote measurement and control
End connection.
RTU realizes the reception and storage of indicator card, oil well pressure, temperature data；Realize that oil well frequency converter is straight
Flow bus electrical parameter, export the collection and storage of electrical parameter；Realize inclination angle, hydrodynamic face, the reception and storage of Liquid output data；It is real
The teletransmission of existing well data and view data simultaneously receives remote control command, while passing through single well-controlled device（Do not shown in figure）Control
The mode of operation of individual well oil pumper processed.RTU can be also connected with customer center computer remote, pass through center calculation
The Processing Algorithm of machine monitors Oil Well Working in real time, and carries out record storage to the parameter of oil well, convenient to carry out oil well in the future
Working state analysis, while user can be issued an order by the information management system of central computer to RTU,
Change the mode of operation of oil pumper as needed.
Technical characteristic of the utility model without description can be realized by or using prior art, will not be repeated here,
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in essential scope of the present utility model, should also belong to
Protection domain of the present utility model.
Claims (3)
1. a kind of oil pumper gang of wells remote synchronization efficiency test system, it is characterised in that including several individual well parameter acquisition lists
Member and RTU；The individual well parameter acquisition unit includes frequency converter DC side electrical parameter acquisition module and frequency converter is handed over
Flow outlet side electrical parameter acquisition module；
The frequency converter DC side electrical parameter acquisition module includes：The divider resistance and differential amplifier circuit structure of several series connection
Into；The differential amplifier circuit output end connects bilateral diode；The frequency converter DC side electrical parameter acquisition module output end
It is connected by USB data acquisitions card with the RTU；
The frequency converter exchange outlet side electrical parameter acquisition module includes：Current detection module, voltage detection module, frequency signal
Detection module, AD converter and single-chip microcomputer, the single-chip microcomputer output are whole by RS-485 communication modules and the remote measurement and control
End；
Wherein, the voltage detection module：By the Hall voltage sensor that is bridged two-by-two with the inverter output terminal and with institute
The plastic filter circuit for stating the connection of Hall voltage sensor output end is constituted；The plastic filter circuit output end passes through the AD
Converter is connected with the single-chip microcomputer；
The current detection module：It is made up of the current transformer and bleeder circuit being connected with the inverter output terminal；It is described
Bleeder circuit output end is connected by the AD converter with the single-chip microcomputer；
The frequency signal detection module：By the Hall voltage sensor and zero-crossing comparator being connected with the inverter output terminal
Constitute；The zero-crossing comparator output end is connected with the single-chip microcomputer；
The individual well parameter acquisition unit also includes:Wireless indicator, wireless digital manometer, wireless digital thermometric instrument,
Obliquity sensor, hydrodynamic face metering device and gas-liquid self-measuring device；The wireless indicator, the wireless digital Instrument for Pressure
Table and wireless digital thermometric instrument are connected by wireless transport module with RTU；The obliquity sensor, hydrodynamic face
Metering device and gas-liquid self-measuring device are connected by RS-485 communication modules with the RTU.
2. a kind of oil pumper gang of wells remote synchronization efficiency test system according to claim 1, it is characterised in that the electricity
The plastic filter circuit of pressure detection module is made up of operational amplifier, resistance and electric capacity；The voltage detection module output end connects
Connect the amplitude limiter circuit being made up of bilateral diode.
3. a kind of oil pumper gang of wells remote synchronization efficiency test system according to claim 1 or 2, it is characterised in that institute
State the model STM32F407 of single-chip microcomputer；The model AD7656 of the AD converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029759.1U CN206431202U (en) | 2017-01-11 | 2017-01-11 | A kind of oil pumper gang of wells remote synchronization efficiency test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720029759.1U CN206431202U (en) | 2017-01-11 | 2017-01-11 | A kind of oil pumper gang of wells remote synchronization efficiency test system |
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| CN206431202U true CN206431202U (en) | 2017-08-22 |
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| CN201720029759.1U Active CN206431202U (en) | 2017-01-11 | 2017-01-11 | A kind of oil pumper gang of wells remote synchronization efficiency test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414818A (en) * | 2018-03-30 | 2018-08-17 | 核工业理化工程研究院 | A kind of Acquisition Circuit and frequency converter for measuring high-frequency ac voltage |
| CN109458170A (en) * | 2019-01-02 | 2019-03-12 | 西安长拓电气自动化有限责任公司 | Intelligent cluster well remote centralized control system |
| CN114718514A (en) * | 2021-01-06 | 2022-07-08 | 中国石油化工股份有限公司 | Beam-pumping unit direct current bus group control algorithm based on power weighted prediction |
-
2017
- 2017-01-11 CN CN201720029759.1U patent/CN206431202U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414818A (en) * | 2018-03-30 | 2018-08-17 | 核工业理化工程研究院 | A kind of Acquisition Circuit and frequency converter for measuring high-frequency ac voltage |
| CN109458170A (en) * | 2019-01-02 | 2019-03-12 | 西安长拓电气自动化有限责任公司 | Intelligent cluster well remote centralized control system |
| CN114718514A (en) * | 2021-01-06 | 2022-07-08 | 中国石油化工股份有限公司 | Beam-pumping unit direct current bus group control algorithm based on power weighted prediction |
| CN114718514B (en) * | 2021-01-06 | 2024-05-17 | 中国石油化工股份有限公司 | Beam-pumping unit direct current busbar group control algorithm based on power weighted prediction |
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