CN203722523U - Energy-conservation control system for pumping unit - Google Patents
Energy-conservation control system for pumping unit Download PDFInfo
- Publication number
- CN203722523U CN203722523U CN201420124899.3U CN201420124899U CN203722523U CN 203722523 U CN203722523 U CN 203722523U CN 201420124899 U CN201420124899 U CN 201420124899U CN 203722523 U CN203722523 U CN 203722523U
- Authority
- CN
- China
- Prior art keywords
- synchronous motor
- energy
- motor driving
- driving device
- permanent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005086 pumping Methods 0.000 title abstract description 17
- 238000004134 energy conservation Methods 0.000 title abstract 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 46
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 6
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
An energy-conservation control system for a pumping unit belongs to the field of pumping unit control and comprises a power supply and a rectifying device. The power supply can output direct current through the rectifying device. The energy-conservation control system further comprises an electricity storing device, a permanent-magnet synchronous motor, a permanent-magnet synchronous motor driving device and a control device. The rectifying device is respectively connected with the electricity storing device and the permanent-magnet synchronous motor driving device, the permanent-magnet synchronous motor is connected with the permanent-magnet synchronous motor driving device, the electricity storing device is connected with the permanent-magnet synchronous motor driving device, an energy transmitting circuit is arranged between the electricity storing device and the permanent-magnet synchronous motor driving device, and the control device is respectively connected with the electricity storing device and the permanent-magnet synchronous motor driving device through CAN buses. The energy-conservation control system is simple in structure, can store brake energy fed back by the motor through the electricity storing device, improves oil pumping efficiency, improves energy utilization rate in an oil pumping process and greatly reduces oil pumping cost.
Description
Technical field
The utility model relates to oil pump energy-saving control system, belongs to oil pumper control technology field.
Background technology
Oil is one of current main energy sources, and its winning apparatus mainly adopts oil pumper, and pumping production process is also to consume very large energy.Oil pumper work is a series of reciprocating motion, during upstroke motor in driving condition, and during downward movement in on-position, in a reciprocation period of oil pumper, operating characteristic is not identical, required operating power changes.
The motor that at present a lot of oil-field oil pumpers adopt is three-phase AC asynchronous motor, the selection of this motor capacity mostly is with the maximum power requirement of oil pumper work mates, cause installed capacity to increase, asynchronous motor is within the oil pumping work period simultaneously, power factor is very low, sometimes go back required power factor compensation device, cause material cost and operating cost all very high.
Summary of the invention
The utility model provides a kind of oil pump energy-saving control system, to solve in existing pumping production process the large and power factor compensation Process Energy consumption of installed capacity, cause greatly the very high problem of oil pumping cost, the utility model adopts following technical scheme for this reason:
Oil pump energy-saving control system, comprise power supply and rectifying device, power supply is exported direct current by rectifying device, also comprise apparatus for storing electrical energy, permanent magnet synchronous motor, permanent magnetic synchronous motor driving device and control device, wherein, rectifying device is connected with permanent magnetic synchronous motor driving device with apparatus for storing electrical energy respectively, permanent magnet synchronous motor is connected with permanent magnetic synchronous motor driving device, apparatus for storing electrical energy is connected with permanent magnetic synchronous motor driving device, and between apparatus for storing electrical energy and permanent magnetic synchronous motor driving device, there is energy and transmit loop, control device is connected with permanent magnetic synchronous motor driving device with apparatus for storing electrical energy respectively by CAN bus.
The oil pump energy-saving control system that the utility model execution mode provides is simple in structure, by apparatus for storing electrical energy, stored the braking energy of electromotor feedback, on the basis of improving pumping efficiency, also improve the utilance of energy in oil pumping process, greatly reduced oil pumping cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of oil pump energy-saving control system described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The oil pump energy-saving control system providing at the utility model execution mode, as shown in the structural representation of Fig. 1, comprise power supply 1 and rectifying device 2, power supply 1 is by rectifying device 2 output direct currents, it is characterized in that, also comprise apparatus for storing electrical energy 3, permanent magnet synchronous motor 4, permanent magnetic synchronous motor driving device 5 and control device 6, wherein, rectifying device 2 is connected with permanent magnetic synchronous motor driving device 5 with apparatus for storing electrical energy 3 respectively, permanent magnet synchronous motor 4 is connected with permanent magnetic synchronous motor driving device 5, apparatus for storing electrical energy 3 is connected with permanent magnetic synchronous motor driving device 5, and between apparatus for storing electrical energy 3 and permanent magnetic synchronous motor driving device 5, there is energy and transmit loop, control device 6 is connected with permanent magnetic synchronous motor driving device 5 with apparatus for storing electrical energy 3 respectively by CAN bus.
Particularly, described rectifying device 2 comprises at least one rectifier bridge.Described apparatus for storing electrical energy 3 consists of super capacitor module.Described permanent magnetic synchronous motor driving device 5 comprises controlled inverter.Described control device 6 is single-chip microcomputer, adopts oil pumping able to programme to control.
The course of work of concrete oil pump energy-saving control system comprises: the three-phase alternating current of power supply 1 is input to rectifying device 2, the direct current of rectifying device 2 outputs is transported to respectively apparatus for storing electrical energy 3 and permanent magnetic synchronous motor driving device 5, between apparatus for storing electrical energy 3 and permanent magnetic synchronous motor driving device 5, there is energy and transmit loop, permanent magnetic synchronous motor driving device 5 is connected with the permanent magnet synchronous motor 4 of oil pumper, control device 6 by CAN bus respectively with apparatus for storing electrical energy 3 be connected with permanent magnetic synchronous motor driving device 5.Further, when oil pumper upstroke, permanent magnet synchronous motor 4 is in driving condition, by control device 6, control upstroke rule, make apparatus for storing electrical energy 3 in parallel with rectifying device 2 simultaneously, jointly, to permanent magnetic synchronous motor driving device 5 power supplies, drive permanent magnet synchronous motor 4.When oil pumper downward movement, permanent magnet synchronous motor 4, in on-position, under the control of control device 6, is sent to apparatus for storing electrical energy 3 by permanent magnet synchronous motor 4 kinetic energy by power supply regenerative braking mode, to save energy.As optionally, control device 6 also can be controlled the oil pumper characteristics of motion according to underground oil storage situation, improves pumping efficiency.
The oil pump energy-saving control system of the present embodiment, has the following advantages:
1) in this control system, the drive motors of oil pumper adopts permanent magnet synchronous motor, and this electromotor overload ability is strong, saves installation initial cost;
2) in this control system, permanent magnetic synchronous motor driving device sine wave output under the control of control device drives signal, makes motor power (output) factor close to 1, has improved operational efficiency;
3) feeding braking energy back of motor when the apparatus for storing electrical energy of this control system can store oil pumper downward movement, avoids energy consumption waste;
4) driving of motor when the apparatus for storing electrical energy of this control system can auxiliary pumping unit upstroke, the class requirement of place capable of reducing power source electrical network;
5) control device of this control system can be controlled the oil pumper characteristics of motion according to underground oil storage situation, improves pumping efficiency.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model embodiment discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (5)
1. oil pump energy-saving control system, comprise power supply (1) and rectifying device (2), power supply (1) is by rectifying device (2) output direct current, it is characterized in that, also comprise apparatus for storing electrical energy (3), permanent magnet synchronous motor (4), permanent magnetic synchronous motor driving device (5) and control device (6), wherein, rectifying device (2) is connected with permanent magnetic synchronous motor driving device (5) with apparatus for storing electrical energy (3) respectively, permanent magnet synchronous motor (4) is connected with permanent magnetic synchronous motor driving device (5), apparatus for storing electrical energy (3) is connected with permanent magnetic synchronous motor driving device (5), and between apparatus for storing electrical energy (3) and permanent magnetic synchronous motor driving device (5), there is energy and transmit loop, control device (6) is connected with permanent magnetic synchronous motor driving device (5) with apparatus for storing electrical energy (3) respectively by CAN bus.
2. oil pump energy-saving control system according to claim 1, is characterized in that, described rectifying device (2) comprises at least one rectifier bridge.
3. oil pump energy-saving control system according to claim 1, is characterized in that, described apparatus for storing electrical energy (3) consists of super capacitor module.
4. oil pump energy-saving control system according to claim 1, is characterized in that, described permanent magnetic synchronous motor driving device (5) comprises controlled inverter.
5. oil pump energy-saving control system according to claim 1, is characterized in that, described control device (6) is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124899.3U CN203722523U (en) | 2014-03-19 | 2014-03-19 | Energy-conservation control system for pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124899.3U CN203722523U (en) | 2014-03-19 | 2014-03-19 | Energy-conservation control system for pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722523U true CN203722523U (en) | 2014-07-16 |
Family
ID=51161643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124899.3U Expired - Lifetime CN203722523U (en) | 2014-03-19 | 2014-03-19 | Energy-conservation control system for pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119311A (en) * | 2015-07-30 | 2015-12-02 | 中国石油大学(北京) | Control system of oil pumping unit and control method |
-
2014
- 2014-03-19 CN CN201420124899.3U patent/CN203722523U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119311A (en) * | 2015-07-30 | 2015-12-02 | 中国石油大学(北京) | Control system of oil pumping unit and control method |
| CN105119311B (en) * | 2015-07-30 | 2019-02-05 | 中国石油大学(北京) | The control system and its control method of pumping unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103326649A (en) | System and method for high-voltage direct-current starting and power generation of stator duplex winding asynchronous motor | |
| CN203722523U (en) | Energy-conservation control system for pumping unit | |
| CN101950978A (en) | Energy-saving emergency type elevator feedback power system | |
| CN203199848U (en) | Energy feedback type solar elevator | |
| CN204624888U (en) | Solar powered and energy recovery for elevator | |
| CN103713559A (en) | Dragging system for electricity-stealing-prevention energy-saving pumping unit | |
| CN202997590U (en) | Elevator energy recovery system | |
| CN105692368A (en) | Scenery energy-saved elevator control device | |
| CN104836308A (en) | Solar energy elevator control system and method | |
| CN201774275U (en) | Feedback power system of energy-saving emergency lift | |
| CN205500478U (en) | Energy -conserving elevator control gear of scene | |
| CN205105134U (en) | Multi-controller system and electric control system used for same | |
| CN203967816U (en) | A kind of frequency conversion photovoltaic water pump system | |
| CN202564971U (en) | Energy regeneration system of frequency converter aging test link | |
| CN203313115U (en) | High power vector inversion control device | |
| CN202346563U (en) | Energy feedback system for escalator | |
| CN204873300U (en) | Little power dispatching economizer of cluster elevator regeneration electric energy direct current | |
| CN203786495U (en) | Dragging apparatus for electricity-stealing-prevention energy-saving pumping unit | |
| CN204013244U (en) | 1250kW3300V flame-proof type two combination tri-level variable frequency speed control devices | |
| CN104333243B (en) | Method for improving economical operation mode efficiency of UPS (uninterruptible power system) based on six pulse rectifiers | |
| CN202937028U (en) | Swimming pool water circulating system driven by solar photovoltaic power generation | |
| CN203715002U (en) | Energy-saving elevator power supply device | |
| CN217824784U (en) | Variable frequency speed regulation energy-saving device of shared direct current bus of cluster well group | |
| CN203589837U (en) | Hybrid energy 48V DC variable frequency power generation system | |
| CN202059347U (en) | DC variable frequency air conditioner with solar energy cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |