CN202548598U - High-accuracy energy-saving pumping unit control system - Google Patents
High-accuracy energy-saving pumping unit control system Download PDFInfo
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- CN202548598U CN202548598U CN2012201761326U CN201220176132U CN202548598U CN 202548598 U CN202548598 U CN 202548598U CN 2012201761326 U CN2012201761326 U CN 2012201761326U CN 201220176132 U CN201220176132 U CN 201220176132U CN 202548598 U CN202548598 U CN 202548598U
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Abstract
The utility model discloses a high-accuracy energy-saving pumping unit control system, comprising a controller module for performing closed loop control on the position of a motor of a pumping unit, a power module and an operation control panel which are connected with the controller module, and a frequency converter connected with the controller module through a communication card and used for performing closed loop control on the speed of the motor of the pumping unit, wherein the input end of the frequency converter is connected to an encoder interface card and a braking circuit module for braking the motor of the pumping unit; and the input end of the encoder interface card is connected to an encoder for performing real-time detection on the running position of the motor of the pumping unit. The high-accuracy energy-saving pumping unit control system has the advantages of simple structure, rational design, convenience for use and operation, high control accuracy, high working efficiency, high safety and reliability, low failure rate, low maintenance and repair cost, good application effect and high popularization and application value.
Description
Technical field
The utility model belongs to the petroleum drilling and mining technical field, especially relates to a kind of high-accuracy energy-saving oil pumper control system.
Background technology
Along with the develop rapidly of petroleum drilling and mining industry, according to the actual conditions of each big oil recovery factory, the use of the energy-conserving intelligent oil pumper of long stroke low jig frequency will be more and more extensive.Higher stroke, the jig frequency control accuracy means the raising of work efficiency, system also will have breakthrough on energy-conservation.But, no matter be that the intelligent oil pumping machine control mode on traditional oil pumper or the present market is all very rough.In the oil pumper control system of the prior art,, or adopt the position control mode to the control or the employing speed control method of motor of oil extractor; When adopting speed control method, can not accurately control the position of motor, adopt proximity transducer that the position of motor is adjusted though also have; But owing to factor affecting such as wind-force, vibrations, failure rate occupies high on-the-spot institute use proximity transducer in the middle of use; And when adopting the position control mode, the speed of motor can not accurately be controlled, there are low defective of control accuracy and deficiency; Velocity perturbation can cause great impact for mechanical transmissioning piece more greatly; Shorten mechanical serviceable life, velocity perturbation also can cause idle increasing, and causes energy-saving effect low.And; Oil pumper control system complex structure of the prior art; External sensor is more and have bigger potential faults, the higher and maintenance complicacy of failure rate in using at the scene, and maintenance cost is high; Put to no little inconvenience for the production of each big oil recovery factory, have a strong impact on output and then the oil recovery factory has been caused very big economic loss.
The utility model content
The utility model technical matters to be solved is to above-mentioned deficiency of the prior art a kind of high-accuracy energy-saving oil pumper control system to be provided, and it is simple in structure; Reasonable in design, use simple operation, control accuracy is high; High efficiency, safe reliability is high, and failure rate is low; The maintenance and repair cost is low, and result of use is good, and application value is high.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of high-accuracy energy-saving oil pumper control system; It is characterized in that: comprise the controller module that is used for the position of motor of oil extractor is carried out closed-loop control; The power module and the operation control panel that join with said controller module; And join and be used for the speed of motor of oil extractor is carried out the frequency converter of closed-loop control through address card and said controller module; The input end of said frequency converter is connected to encoder interfaces card and the braking circuit module that is used to brake motor of oil extractor, and the input end of said encoder interfaces card is connected to and is used for scrambler that the running position of motor of oil extractor is detected in real time.
Above-mentioned high-accuracy energy-saving oil pumper control system is characterized in that: said controller module is the PLC module.
Above-mentioned high-accuracy energy-saving oil pumper control system is characterized in that: said PLC module is Siemens PLC C S7-300.
Above-mentioned high-accuracy energy-saving oil pumper control system is characterized in that: said address card is the PROFIBUS communication card.
Above-mentioned high-accuracy energy-saving oil pumper control system is characterized in that: said braking circuit module is made up of braking resistor.
The utility model compared with prior art has the following advantages:
1, the utility model adopts integrated, modular design, and need not a lot of external sensors and just can realize to the speed of motor of oil extractor and the closed-loop control of position that simple in structure, reasonable in design, realization makes things convenient for.
2, the utility model is core with the controller module, adopts operation control panel as human-computer interaction interface, uses simple operation, intuitive display.
3, the utility model has adopted speed closed loop control and position closed loop to control the control mode that combines to the control of motor of oil extractor; Can accurately control the speed of motor of oil extractor; Can accurately control the position of motor of oil extractor again, can make the practical operation situation of motor of oil extractor and given identical, control accuracy can reach within 2/10000ths; Control accuracy is high, high efficiency.
4, the utility model adopts the dynamic braking pattern; Rely on the braking circuit module to consume excess energy; Occurring when motor of oil extractor under the situation such as rod broken, holddown can the fast braking brake, and frequency converter can make motor keep zero-speed (Parking) state that hovers, and safe reliability is high.
5, the periphery of the utility model does not need unnecessary sensor, so external fault point is less, has sturdy durable characteristics, in the later maintenance process, can effectively reduce the maintenance and repair cost.
6, the result of use of the utility model is good, has good actual effect and economy, and application value is high.
In sum, the utility model is simple in structure, and is reasonable in design, uses simple operation, and control accuracy is high, high efficiency, and safe reliability is high, and failure rate is low, and the maintenance and repair cost is low, and result of use is good, and application value is high.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model.
Description of reference numerals:
The 1-controller module; The 2-power module; The 3-operation control panel;
The 4-address card; The 5-frequency converter; 6-encoder interfaces card;
7-braking circuit module; The 8-scrambler; The 9-motor of oil extractor.
Embodiment
As shown in Figure 1; The utility model comprises the controller module 1 that is used for the position of motor of oil extractor 9 is carried out closed-loop control; The power module 2 and the operation control panel 3 that join with said controller module 1; And join and be used for the speed of motor of oil extractor 9 is carried out the frequency converter 5 of closed-loop control through address card 4 and said controller module 1; The input end of said frequency converter 5 is connected to encoder interfaces card 6 and the braking circuit module 7 that is used to brake motor of oil extractor 9, and the input end of said encoder interfaces card 6 is connected to and is used for scrambler 8 that the running position of motor of oil extractor 9 is detected in real time.
In the present embodiment, said controller module 1 is the PLC module; Particularly, said PLC module is Siemens PLC C S7-300.Said address card 4 is the PROFIBUS communication card.Said braking circuit module 7 is made up of braking resistor.Specifically when selecting motor of oil extractor 9, can use lower-powered equipment, practice thrift cost with frequency converter 5.
The principle of work and the course of work of the utility model are: the user starts motor of oil extractor 9 and imports required controlled variable through operation control panel 3; After receiving the signal of operation control panel 3 outputs and carry out analyzing and processing, controller module 1 gives frequency converter 5 through address card 4 transmission control signal corresponding; Frequency converter 5 is controlled the speed of motor of oil extractor 9 according to the control signal of controller module 1 output; In motor of oil extractor 9 operation process; The running position of 8 pairs of motor of oil extractor 9 of scrambler is detected in real time and detected signal is exported to frequency converter 5 through encoder interfaces card 6; The signal that frequency converter 5 is exported according to scrambler 8; Realization is to the closed-loop control of motor of oil extractor 9 speed, and simultaneously, the signal that frequency converter 5 is exported scrambler 8 is transferred to controller module 1 through address card 4; Give frequency converter 5 through the corresponding pulse control signal of address card 4 outputs again after signal that controller module 1 received code device 8 is exported and the process analyzing and processing, realize closed-loop control motor of oil extractor 9 positions.Occur when motor of oil extractor 9 under the situation such as rod broken, holddown, the braking resistor that constitutes braking circuit module 7 can consume excess energy fast, and frequency converter 5 makes motor of oil extractor 9 keep zero-speeds (Parking) state that hovers.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (5)
1. high-accuracy energy-saving oil pumper control system; It is characterized in that: comprise the controller module (1) that is used for the position of motor of oil extractor (9) is carried out closed-loop control; The power module (2) and the operation control panel (3) that join with said controller module (1); And join and be used for the speed of motor of oil extractor (9) is carried out the frequency converter (5) of closed-loop control through address card (4) and said controller module (1); The input end of said frequency converter (5) is connected to encoder interfaces card (6) and is used to brake the braking circuit module (7) of motor of oil extractor (9), and the input end of said encoder interfaces card (6) is connected to and is used for scrambler (8) that the running position of motor of oil extractor (9) is detected in real time.
2. according to the described high-accuracy energy-saving oil pumper of claim 1 control system, it is characterized in that: said controller module (1) is the PLC module.
3. according to the described high-accuracy energy-saving oil pumper of claim 2 control system, it is characterized in that: said PLC module is Siemens PLC C S7-300.
4. according to the described high-accuracy energy-saving oil pumper of claim 1 control system, it is characterized in that: said address card (4) is the PROFIBUS communication card.
5. according to the described high-accuracy energy-saving oil pumper of claim 1 control system, it is characterized in that: said braking circuit module (7) is made up of braking resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201761326U CN202548598U (en) | 2012-04-24 | 2012-04-24 | High-accuracy energy-saving pumping unit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201761326U CN202548598U (en) | 2012-04-24 | 2012-04-24 | High-accuracy energy-saving pumping unit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202548598U true CN202548598U (en) | 2012-11-21 |
Family
ID=47169206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201761326U Expired - Fee Related CN202548598U (en) | 2012-04-24 | 2012-04-24 | High-accuracy energy-saving pumping unit control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202548598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208896A (en) * | 2016-07-20 | 2016-12-07 | 大庆油田有限责任公司 | Driving method under the unconventional working system of oil pumper and system |
| CN108209799A (en) * | 2018-01-23 | 2018-06-29 | 北京红岸水滴科技发展有限公司 | For the smart allocation device of commercial dish-washing machine |
| CN110617038A (en) * | 2019-09-20 | 2019-12-27 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
-
2012
- 2012-04-24 CN CN2012201761326U patent/CN202548598U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208896A (en) * | 2016-07-20 | 2016-12-07 | 大庆油田有限责任公司 | Driving method under the unconventional working system of oil pumper and system |
| CN108209799A (en) * | 2018-01-23 | 2018-06-29 | 北京红岸水滴科技发展有限公司 | For the smart allocation device of commercial dish-washing machine |
| CN110617038A (en) * | 2019-09-20 | 2019-12-27 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
| CN110617038B (en) * | 2019-09-20 | 2021-11-23 | 中国石油化工股份有限公司 | Oil pumping drive control and detection analysis device based on self-adaptive analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121121 Termination date: 20160424 |