CN203896246U - Oil pumping unit frequency conversion device - Google Patents
Oil pumping unit frequency conversion device Download PDFInfo
- Publication number
- CN203896246U CN203896246U CN201420314220.7U CN201420314220U CN203896246U CN 203896246 U CN203896246 U CN 203896246U CN 201420314220 U CN201420314220 U CN 201420314220U CN 203896246 U CN203896246 U CN 203896246U
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- Prior art keywords
- oil pumper
- terminal
- frequency
- frequency converter
- converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses an oil pumping unit frequency conversion device, and relates to a frequency converter. The oil pumping unit frequency conversion device comprises a control circuit connected between an oil pumping unit and three-phase 380V commercial power; the frequency converter connected between the control circuit and the oil pumping unit; a controller which is connected with the control circuit, is used for controlling the control circuit to enable the connection between the three-phase 380V commercial power and the oil pumping unit so as to enable the oil pumping unit to work according to the power frequency, or is used enabling the connection between the three-phase 380V commercial power and the frequency converter so as to enable the oil pumping unit to work at a variable frequency. By providing a closed loop control to the variable frequency regulation of the frequency conversion device in an SAGD oil well intelligence control system, the jig frequency and the up-down stoke speeds of the oil pumping unit are intelligently controlled, the control level of the frequency conversion device is improved, the energy is saved, and the unified management of the frequency conversion device is realized. In addition, RFID identification is realized for the frequency conversion device, and the operation cost is lowered.
Description
Technical field
The utility model relates to frequency converter, particularly a kind of oil pumper converter plant of applying in SAGD (SAGD:Steam Assisted Gravity Drainage) oil well intelligent control system.
Background technology
The control system of SAGD oil well comprises well head data acquisition system, downhole data acquisition system, steam metering system and control system for oil-pumping unit at present, and wherein, the core of control system for oil-pumping unit is frequency converter.At present the adjusting of frequency converter frequency conversion frequency in SAGD oil well and control are manually completed by artificial experience, in use do not form closed-loop control, often artificially the FREQUENCY CONTROL of upstroke and down stroke in a fixing value, lack perfect control model, be difficult to form the intellectuality control for SAGD oil well process requirements, cannot play the effect of real energy savings.In addition, equipment lacks unified identity management, system O&M complexity and high cost.
Automation controller able to programme (PAC:Programmable Automation Controller) is the advantage of the one processor, random access memory (RAM:Random-Access Memory) and the software that combine personal computer (PC:Personal Computer), and the newtype controller of intrinsic reliability, robustness and the distribution character of programmable logic controller (PLC) (PLC:Programmable Logic Controller).PAC has powerful floating point processor and internal memory can be realized advance control algorithm, and more efficient.PAC can Real-time Collection analysis from the data of analog or digital I/O (I/O:input/output) passage, even can also be directly and external data base carry out communication, thereby more effectively field data is sent to automated system backstage, improves the automatic controlling level of industry spot.
Radio-frequency (RF) identification (RFID:Radio Frequency Identification), is commonly called as electronic tag.RFID is a kind of contactless automatic identification technology, and it is automatically identified destination object and obtained related data by radiofrequency signal, and identification work need not manual intervention, can work in various adverse circumstances.RFID technology can be identified high-speed moving object and can identify multiple labels simultaneously, swift and convenient to operate.In addition, the simple wireless system of RFID or one, only needs two basic devices, and this system is for control, detection and tracking object.System is made up of an interrogator (or reader) and multiple transponder (or electronic tag).RFID technology utilizes wireless radio frequency mode between reader and electronic tag, to carry out noncontact bi-directional transfer of data, has reached the object of target identification and exchanges data.
Utility model content
The purpose of this utility model is to provide a kind of oil pumper converter plant, can solve existing oil pumper frequency converter and rely on artificial experience manually to complete the problem that cannot form closed-loop control.
The utility model provides a kind of oil pumper converter plant, comprising:
Oil pumper and three-phase 380V commercial power; It is characterized in that, also comprise:
Be connected to the control circuit between described oil pumper and described three-phase 380V commercial power;
Be connected to the frequency converter between described control circuit and described oil pumper;
Connect the controller of described control circuit, for controlling described control circuit, three-phase 380V commercial power is accessed to described oil pumper, make it by power frequency operation; Or by described three-phase 380V commercial power access frequency converter, make described oil pumper converting operation.
Preferably, described control circuit comprises:
The circuit breaker Q F being connected with described three-phase 380V commercial power;
The knife switch 1ZK, transformer and the knife switch 2ZK that are connected successively with described circuit breaker Q F;
The knife switch 3ZK and the A.C. contactor 1KM that are connected successively with described knife switch 2ZK;
The first contact and the A.C. contactor 2KM of the auxiliary relay 1KA being connected successively with described knife switch 2ZK;
The second contact and the A.C. contactor 3KM of the auxiliary relay 2KA being connected successively with described knife switch 2ZK;
The knife switch 4ZK being connected successively with described knife switch 2ZK and the linear power supply for powering to controller;
The indicator light L0 for showing whether described control circuit works being connected with described knife switch 2ZK.
Preferably, also comprise:
Be connected to the 3rd contact of the A.C. contactor 2KM between described oil pumper and described circuit breaker Q F, utilize described the 3rd contact to control oil pumper power frequency operation;
Be connected to the 4th contact of the A.C. contactor 1KM between described frequency converter and described circuit breaker Q F, and be connected to the 5th contact of the A.C. contactor 3KM between described oil pumper and described frequency converter, utilize described the 4th contact and the 5th contact to control oil pumper converting operation.
Preferably, described controller is automation controller able to programme.
Preferably, also comprise:
The terminal I2 of described automation controller able to programme is connected with terminal R1C with the terminal RIA of frequency converter;
The terminal I3 of described automation controller able to programme is connected with terminal R2C with the terminal R2A of frequency converter;
The terminal IO+ of described automation controller able to programme is connected with terminal COM with the terminal AI2 of frequency converter respectively with terminal GND;
The terminal V+ of described automation controller able to programme is connected with terminal COM with the terminal A01 of frequency converter respectively with terminal V-.
Preferably, also comprise: be connected with described frequency converter for frequency converter being carried out to the radio frequency identification equipment of identify label.
According on the other hand of the present utility model, a kind of SAGD oil well intelligent control system is provided, comprise described oil pumper converter plant.
Compared with prior art, the beneficial effects of the utility model are: can be by the closed-loop control in SAGD oil well intelligent control system, converter plant frequency conversion frequency being regulated is provided, intelligent control pumping unit jig frequency and upper and lower travel speed, improve converter plant level of control, form the Based Intelligent Control for SAGD oil well process requirements, energy savings, realizes the unified management of converter plant.Meanwhile, converter plant is carried out to RFID identify label, reduce O&M cost.
Brief description of the drawings
Fig. 1 is the structured flowchart of the oil pumper converter plant that provides of the utility model embodiment;
Fig. 2 is the circuit theory diagrams of the oil pumper converter plant that provides of the utility model embodiment;
Fig. 3 is the SAGD oil well intelligent control system structure chart of the oil pumper converter plant that provides of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is elaborated, should be appreciated that following illustrated preferred embodiment is only for description and interpretation the utility model, and be not used in restriction the utility model.
Fig. 1 is the structured flowchart of the oil pumper converter plant that provides of the utility model embodiment, as shown in Figure 1, comprising:
Oil pumper and three-phase 380V commercial power;
Be connected to the control circuit between described oil pumper and described three-phase 380V commercial power;
Be connected to the frequency converter between described control circuit and described oil pumper;
Connect the controller of described control circuit, for controlling described control circuit, three-phase 380V commercial power is accessed to described oil pumper, make it by power frequency operation; Or by described three-phase 380V commercial power access frequency converter, make described oil pumper converting operation.
Fig. 2 is the circuit theory diagrams of the converter plant that provides of the utility model embodiment, and as shown in Figure 2, provided frequency converter model ATV61 is provided converter plant, and PAC adopts and grinds magnificent PAC product A PAX-5520 and realize the data acquisition and control to frequency converter state.PAC controls auxiliary relay 1KA, 2KA by terminal O0, O1, then controls A.C. contactor 2KM, 3KM, and multiple normally opened contact, switches, turns round under power frequency, two kinds of operating states of frequency conversion in order to realize three phase electric machine.PAC is by terminal IO+, GND output 4mA-20mA current signal, and carry out communication with frequency converter A TV61 terminal AI2, COM, set the output frequency of frequency converter A TV61, PAC is connected with frequency converter A TV61 terminal AO1, COM by terminal V+, V-, obtains frequency conversion (running frequency) feedback of frequency converter A TV61.PAC is also connected with frequency converter A TV61 terminal R1A, R1C by terminal I2, reads the running status of frequency converter A TV61, and is connected with frequency converter A TV61 terminal R2A, R2C by terminal I3, detects frequency converter A TV61 and whether has fault alarm.Concrete methods of realizing shows as:
Connect each pin, manual closing circuit breaker Q F, and knife switch 1ZK, 2ZK and 4ZK, making three-phase 380V commercial power convert 220V to via transformer is PAC power supply.
In the time of oil pumper power frequency operation, PAC control terminal O0 output, auxiliary relay 1KA coil is charged, make its normally opened contact closure, then trigger A.C. contactor 2KM, and make the normally opened contact closure of A.C. contactor 2KM, realize the power frequency operation of oil pumper under three-phase 380V commercial power.
In the time that oil pumper frequency conversion moves frequently, manual closing knife switch 3ZK, triggers A.C. contactor 1KM coil charged, and makes A.C. contactor 1KM normally opened contact closure.PAC control terminal O1 output, auxiliary relay 2KA coil is charged, makes its normally opened contact closure, then triggers A.C. contactor 3KM, makes the normally opened contact closure of A.C. contactor 3KM, realizes the converting operation of oil pumper under three-phase 380V commercial power.
Fig. 3 is the SAGD oil well intelligent control system structure chart of the converter plant that provides of the utility model embodiment, as shown in Figure 3, being embodied in SAGD oil well intelligent control system for converter plant, the ground environment data of SAGD oil well, merit diagram data and SAGD oil pumper intelligent control algorithm and converter plant are carried out to effective combination, and by the Real-time Collection to down-hole temperature and pressure and liquid level data, judge whether converter plant need to move in low-limit frequency.Reasonably in frequency range, moving according to the merit diagram data control converter plant collecting, SAGD oil well intelligent control system can be calculated the speed that oil pumper should move in real time, and by calculating the time of upper and lower stroke, control frequency and the voltage of converter plant output, realize the automatic control of converter plant, make PAC and motor obtain optimum Match and always work under the state of best frequency conversion to ensure control system for oil-pumping unit.
In SAGD oil well intelligent control system, the data such as down-hole temperature and pressure, liquid level and merit figure are gathered, and utilize PAC to control frequency converter.By the closed-loop control automatic frequency-conversion to converter plant, the upper and lower travel speed of intelligent control pumping unit jig frequency and oil pumper, makes SAGD oil well intelligent control system reach production capacity maximum, energy consumption minimum, and output/input reaches Optimal Control balance point.The concrete grammar of realizing is as follows:
(1) the stroke frequency of dynamic adjustments oil pumper.Along with the extraction from the superficial to the deep of SAGD oil well,, will inevitably there is the degree of filling deficiency of oil well pump in the minimizing of down-hole oil mass, the situation that the pump efficiency of oil well pump declines.In the time that the fluid supply capacity of SAGD oil well is less than oil pumping pump delivery, just may cause oil well pump to find time and liquid hammer.Prevent that one of effective ways of liquid hammer from being the pump speed of oil well pump of slowing down, to improve the degree of filling of oil well pump.Reduce motor speed by intelligent variable-frequency speed adjusting technique, reduce and extract the frequency, not only reduced power of motor, and improved the degree of filling of oil well pump, greatly improve the pump efficiency of oil well pump, increase crude output.
(2) the upper and lower travel speed of dynamic adjustments oil pumper.Adopt intelligent variable-frequency speed adjusting technique, except can dynamically changing the stroke frequency of oil pumper, can also adjust respectively according to actual needs every one-stroke up-downgoing journey speed, make oil pumper be operated in optimal operational condition.In every one-stroke, suitably reduce down stroke speed, can improve the degree of filling of crude oil in oil well pump, and suitably improve up stroke speed, can reduce the leakage factor in lifting, effectively improve the crude output in the unit interval.Meanwhile, also can greatly save the consumption of electric energy by dynamic adjustments.
By configure RFID equipment on converter plant, incorporate SAGD oil well Internet of Things, realize the unified management to converter plant, for converter plant adds RFID identification information, not only grasp at any time dynamic data information, can know where data come from, the convenient information of grasping converter plant, has and safeguards characteristic easily simultaneously.The manufacture of converter plant, specification, installation, configuration information, fault status information etc. self build-in attribute data sharing is to whole SAGD oil well Internet of Things, strengthen the interchangeability of converter plant of the same type, even if more exchange device, also without the mapping relations that manually reset upper and lower machine software and hardware, just can normally be worked.For later maintenance provides information service, further extend complete equipment after-sales service system.
In sum, the utlity model has following technique effect: can be by the closed-loop control in SAGD oil well intelligent control system, converter plant frequency conversion frequency being regulated, formulate the Based Intelligent Control standard of new converter plant, intelligent control pumping unit jig frequency and upper and lower travel speed, improve converter plant level of control, form the Based Intelligent Control for SAGD oil well process requirements, energy savings, realizes the unified management of converter plant.Meanwhile, converter plant is carried out to RFID identify label, incorporate SAGD oil well Internet of Things, combined with intelligent control technology and technology of Internet of things, reach raising output, the object of energy savings and reduction O&M cost.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various amendments according to principle of the present utility model.Therefore, all amendments of doing according to the utility model principle, all should be understood to fall into protection range of the present utility model.
Claims (7)
1. an oil pumper converter plant, comprises oil pumper and three-phase 380V commercial power; It is characterized in that, also comprise:
Be connected to the control circuit between described oil pumper and described three-phase 380V commercial power;
Be connected to the frequency converter between described control circuit and described oil pumper;
Connect the controller of described control circuit, for controlling described control circuit, three-phase 380V commercial power is accessed to described oil pumper, make it by power frequency operation; Or by described three-phase 380V commercial power access frequency converter, make described oil pumper converting operation.
2. oil pumper converter plant according to claim 1, is characterized in that, described control circuit comprises:
The circuit breaker Q F being connected with described three-phase 380V commercial power;
The knife switch 1ZK, transformer and the knife switch 2ZK that are connected successively with described circuit breaker Q F;
The knife switch 3ZK and the A.C. contactor 1KM that are connected successively with described knife switch 2ZK;
The first contact and the A.C. contactor 2KM of the auxiliary relay 1KA being connected successively with described knife switch 2ZK;
The second contact and the A.C. contactor 3KM of the auxiliary relay 2KA being connected successively with described knife switch 2ZK;
The knife switch 4ZK being connected successively with described knife switch 2ZK and the linear power supply for powering to controller;
The indicator light L0 for showing whether described control circuit works being connected with described knife switch 2ZK.
3. oil pumper converter plant according to claim 2, is characterized in that, also comprises:
Be connected to the 3rd contact of the A.C. contactor 2KM between described oil pumper and described circuit breaker Q F, utilize described the 3rd contact to control oil pumper power frequency operation;
Be connected to the 4th contact of the A.C. contactor 1KM between described frequency converter and described circuit breaker Q F, and be connected to the 5th contact of the A.C. contactor 3KM between described oil pumper and described frequency converter, utilize described the 4th contact and the 5th contact to control oil pumper converting operation.
4. oil pumper converter plant according to claim 1, is characterized in that, described controller is automation controller able to programme.
5. oil pumper converter plant according to claim 4, is characterized in that,
The terminal I2 of described automation controller able to programme is connected with terminal R1C with the terminal RIA of frequency converter;
The terminal I3 of described automation controller able to programme is connected with terminal R2C with the terminal R2A of frequency converter;
The terminal IO+ of described automation controller able to programme is connected with terminal COM with the terminal AI2 of frequency converter respectively with terminal GND;
The terminal V+ of described automation controller able to programme is connected with terminal COM with the terminal A01 of frequency converter respectively with terminal V-.
6. oil pumper converter plant according to claim 1, also comprises: be connected with described frequency converter for frequency converter being carried out to the radio frequency identification equipment of identify label.
7. a SAGD oil well intelligent control system, is characterized in that, described SAGD oil well intelligent control system comprises the oil pumper converter plant described in claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314220.7U CN203896246U (en) | 2014-06-12 | 2014-06-12 | Oil pumping unit frequency conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314220.7U CN203896246U (en) | 2014-06-12 | 2014-06-12 | Oil pumping unit frequency conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896246U true CN203896246U (en) | 2014-10-22 |
Family
ID=51722598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420314220.7U Expired - Lifetime CN203896246U (en) | 2014-06-12 | 2014-06-12 | Oil pumping unit frequency conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896246U (en) |
-
2014
- 2014-06-12 CN CN201420314220.7U patent/CN203896246U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XINJIANG JINNIU ENERGY IOT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: XINJIANG JINNIU ENERGY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 834008, No. 4 North Yue Road, Bai alkali floodplain, the Xinjiang Uygur Autonomous Region, Karamay, Karamay Patentee after: XINJIANG JINNIU ENERGY INTERNET OF THINGS TECHNOLOGY CO.,LTD. Address before: 834008, No. 4 North Yue Road, Bai alkali floodplain, the Xinjiang Uygur Autonomous Region, Karamay, Karamay Patentee before: XINJIANG G.C. ENERGY TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |