CN208587282U - A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control - Google Patents
A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control Download PDFInfo
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- CN208587282U CN208587282U CN201820093198.6U CN201820093198U CN208587282U CN 208587282 U CN208587282 U CN 208587282U CN 201820093198 U CN201820093198 U CN 201820093198U CN 208587282 U CN208587282 U CN 208587282U
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Abstract
A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control, the intelligent control unit for acquiring the hydrodynamic face acquisition unit of well fluid level information and being connected with the output end of hydrodynamic face acquisition unit including being installed on well mouth of oil well position, the output end of the intelligent control unit is connected with the input terminal of converter unit, and the output end of converter unit is connected with pumping unit.The utility model by hydrodynamic face acquisition unit acquires well fluid level information and by the information input intelligent control unit, the intelligentized control methods such as pumping unit soft start, interval start and stop and frequency conversion are realized by converter unit by intelligent control unit, manual operation is reduced, the upgrading of pumping unit automatic improving is promoted；Interval start and stop and variable-frequency solutions based on hydrodynamic face make pumping unit run scientific, rationalization；The power factor of pumping unit is improved, reduces for electric energy consumption, mitigate frequency converter to the burden of power grid and transformer, working efficiency is improved, reduces cost of crude oil production.
Description
Technical field
It is one kind for the start and stop of pumping unit of well interval and frequency conversion control the utility model relates to pumping unit field of intelligent control
The intelligent apparatus of system.
Background technique
Beam pumping unit is the main oil production equipment in China oil field, and the moment of inertia is larger, and starting load is big when work, is led to
Normal pumping-unit motor power is much larger than bearing power, and load mismatches, there are power factor (PF)s it is low, energy consumption is high, low efficiency the problems such as.
Meanwhile China, oil field, part, there are low yield phenomenon, continuous exploitation easily causes the feed flow of oil well insufficient, is full of so that oil well pump exists
Insufficient phenomenon is spent, this not only causes the abrasion of pumping unit, while reducing the working efficiency of pumping unit, causes pumping unit
Useless power loss.
Currently, having part oil pumping machine control cabinet in the market for solving the problems, such as above section, energy-efficient mesh can be achieved
, however it has the following problems: product function is single, is only able to achieve interval start and stop or frequency control, is unable to reach optimization
Energy Saving Control；High intelligent control degree is low, needs professional to analyze the operating parameter of pumping unit in real time, rule of thumb sentences
Break to make control, the advantage of variable-frequency control technique cannot be given full play of；Product cost is high, lack real time data monitoring with
Information sharing, poor reliability.These problems greatly hinder interval start and stop and converter technique pushing away in terms of oil pump energy-saving
Wide application, therefore, develop it is a kind of it is multi-functional, cost performance is high, the oil well intelligent control device of high reliability is very necessary.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of pumping unit interval start and stop based on dynamic level control
Realize to include pumping unit according to the supply capability of oil well to the intelligent control of pumping unit with the intelligent apparatus of frequency control
Intelligent intermittent start-up and shut-down control, pumping unit intelligent frequency-conversion control etc. functions.In the case where not influencing oil well production, oil pumping is improved
The power factor (PF) of machine reduces energy consumption, obtains preferable energy-saving effect.
It includes the use for being installed on well mouth of oil well position that in order to achieve the above purposes, the technical solution adopted by the utility model is:
In the hydrodynamic face acquisition unit of acquisition well fluid level information and the intelligence control being connected with the output end of hydrodynamic face acquisition unit
Unit processed, the output end of the intelligent control unit are connected with the input terminal of converter unit, the output end and pumping of converter unit
Oil machine is connected.
The output end of the intelligent control unit is also connected with the wireless communication unit transmitted to information.
The converter unit includes the control instruction for receiving intelligent control unit, and to pumping unit start and stop and frequency conversion
Make the frequency converter of control and the active inverter of regenerated energy feedback power grid.
The utility model by hydrodynamic face acquisition unit acquires well fluid level information and by the information input intelligent control
Unit is realized the intelligentized control methods such as pumping unit soft start, interval start and stop and frequency conversion by converter unit by intelligent control unit, is subtracted
Few manual operation promotes the upgrading of pumping unit automatic improving；Interval start and stop and variable-frequency solutions based on hydrodynamic face, transport pumping unit
Row is scientific, rationalizes；The power factor of pumping unit is improved, reduces for electric energy consumption, mitigate frequency converter to power grid and transformer
Burden improves working efficiency, reduces cost of crude oil production；Technical support is provided for stripper well and the transformation of old oil field.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawing.
Referring to Fig. 1, the utility model include be installed on well mouth of oil well position for acquiring the dynamic of well fluid level information
Liquid level acquisition unit 1 and the intelligent control unit 2 being connected with the output end of hydrodynamic face acquisition unit, the intelligent control single
The output end of member 2 is connected with the input terminal of converter unit 4 and wireless communication unit 3 respectively, the output end and pumping of converter unit 4
Oil machine 5 is connected；
The converter unit 4 of the utility model includes the control instruction for receiving intelligent control unit 2, and to pumping unit 5
The frequency converter of control and the active inverter of regenerated energy feedback power grid are made in start and stop and frequency conversion.
The intelligent control unit of the utility model is made of intelligent controller, storage card, and wherein intelligent controller is according to dynamic
Liquid level on-line measurement intelligent data analysis pumping unit control instruction, storage card is for storing liquid level acquisition unit acquisition data and becoming
The operation information of frequency unit feedback, including pumping unit start and stop, pumping unit frequency conversion information, electrical parameter.
Wireless communication unit uses the RTU containing wireless communication module, to the hydrodynamic face in device, pumping unit start and stop, pumping
The transmitting of the information such as oil machine frequency conversion, electrical parameter.
Converter unit is made of conventional frequency converter with active inverter, and wherein frequency converter is for receiving intelligent control unit
Control instruction, and control made to pumping unit start and stop and frequency conversion, active inverter is by regenerated energy feedback power grid, reduction frequency conversion
Impact of the device to power grid.
The working principle of the utility model are as follows: intelligent control unit sets associated control parameters.Staff is according to oil well
Supply capability sets the booting hydrodynamic face of pumping unit and shuts down hydrodynamic face parameter, when hydrodynamic face acquisition unit 1 is collected dynamic
When build-up of fluid to booting hydrodynamic face, intelligent control unit controls pumping unit booting, when hydrodynamic face, which is reduced to, shuts down hydrodynamic face,
Intelligent control unit controls shutdown of pumping machine.In the pumping unit course of work, with the extraction of crude oil, oil mass gradually subtracts in oil well
Small, the pressure outside oil well pump reduces therewith, and phenomena such as insufficient degree of filling, pump efficiency decline occurs in oil well pump；Oil pumping unit frequency is reduced,
The revolving speed of motor can be made to decline, increase the time of oil well pump Inhaling Crude Oil, improve the degree of filling of pump；Booting hydrodynamic face with stop
It is divided into different hydrodynamic face segments between motor-driven liquid level, according to the booting hydrodynamic face of pumping unit and shuts down hydrodynamic face parameter and take out
Oil machine frequency is linear, sets the corresponding frequency converter in the dynamic liquid level section of difference and optimizes frequency, intelligent control single primitive root
According to the hydrodynamic face data intellectual analysis corresponding hydrodynamic face section of monitoring, and controls converter unit and be adjusted to corresponding frequency fortune
Row.The different oil well online data comprehensive analysis that technical staff is transmitted by communication unit, the control parameter mould optimized
Type, in time to intelligent control unit optimize, staff need periodically by after optimization parameter reset, it is ensured that device it is reliable
Property, mention high control precision.Ensure that pumping unit is in how soon oil is taken out, oil is few to be taken out slowly, oil-free to stop pumping state, science control pumping unit work
Make state, the control performance of the device is continuously improved.
The utility model by the on-line measurement intelligent data analysis to hydrodynamic face, realize to the intelligent start/stop of pumping unit with
The functions such as frequency conversion optimal control.Hydrodynamic face acquisition unit is installed on well mouth of oil well position, every oil well of 5 minutes automatic measurements
Hydrodynamic face parameter.
Claims (3)
1. a kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control, it is characterised in that: including being installed on well mouth of oil well position
Set for acquire well fluid level information hydrodynamic face acquisition unit (1) and be connected with the output end of hydrodynamic face acquisition unit
Intelligent control unit (2), the output end of the intelligent control unit (2) is connected with the input terminal of converter unit (4), frequency conversion
The output end of unit (4) is connected with pumping unit (5).
2. the intelligent apparatus of the start and stop of pumping unit interval and frequency control according to claim 1, it is characterised in that: described
The output end of intelligent control unit (2) is also connected with the wireless communication unit (3) transmitted to information.
3. the intelligent apparatus of the start and stop of pumping unit interval and frequency control according to claim 1, it is characterised in that: described
Converter unit (4) includes the control instruction for receiving intelligent control unit (2), and is made to pumping unit (5) start and stop with frequency conversion
The frequency converter of control and the active inverter of regenerated energy feedback power grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093198.6U CN208587282U (en) | 2018-01-19 | 2018-01-19 | A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093198.6U CN208587282U (en) | 2018-01-19 | 2018-01-19 | A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control |
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| Publication Number | Publication Date |
|---|---|
| CN208587282U true CN208587282U (en) | 2019-03-08 |
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| CN201820093198.6U Active CN208587282U (en) | 2018-01-19 | 2018-01-19 | A kind of intelligent apparatus of the start and stop of pumping unit interval and frequency control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734651A (en) * | 2020-07-08 | 2020-10-02 | 浙江都美电气技术股份有限公司 | Control system for submersible/diving system |
| CN113323634A (en) * | 2020-12-03 | 2021-08-31 | 西安海联石化科技有限公司 | Intelligent intermittent pumping positioning starting and stopping method for oil pumping unit |
| CN113445968A (en) * | 2020-03-25 | 2021-09-28 | 中国石油天然气股份有限公司 | Oil pumping unit control method and system |
| CN114086926A (en) * | 2021-11-17 | 2022-02-25 | 国网河北省电力有限公司沧州供电分公司 | Control method and device of oil field mechanical recovery system and oil field mechanical recovery system |
-
2018
- 2018-01-19 CN CN201820093198.6U patent/CN208587282U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445968A (en) * | 2020-03-25 | 2021-09-28 | 中国石油天然气股份有限公司 | Oil pumping unit control method and system |
| CN113445968B (en) * | 2020-03-25 | 2023-06-30 | 中国石油天然气股份有限公司 | Pumping unit control method and system |
| CN111734651A (en) * | 2020-07-08 | 2020-10-02 | 浙江都美电气技术股份有限公司 | Control system for submersible/diving system |
| CN113323634A (en) * | 2020-12-03 | 2021-08-31 | 西安海联石化科技有限公司 | Intelligent intermittent pumping positioning starting and stopping method for oil pumping unit |
| CN113323634B (en) * | 2020-12-03 | 2022-04-12 | 西安海联石化科技有限公司 | Intelligent intermittent pumping positioning starting and stopping method for oil pumping unit |
| CN114086926A (en) * | 2021-11-17 | 2022-02-25 | 国网河北省电力有限公司沧州供电分公司 | Control method and device of oil field mechanical recovery system and oil field mechanical recovery system |
| CN114086926B (en) * | 2021-11-17 | 2024-03-01 | 国网河北省电力有限公司沧州供电分公司 | Control method and device of oilfield mechanical extraction system and oilfield mechanical extraction system |
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