CN217735453U - Oil pumping unit based on permanent magnet motor sectional control system - Google Patents
Oil pumping unit based on permanent magnet motor sectional control system Download PDFInfo
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- CN217735453U CN217735453U CN202220968563.XU CN202220968563U CN217735453U CN 217735453 U CN217735453 U CN 217735453U CN 202220968563 U CN202220968563 U CN 202220968563U CN 217735453 U CN217735453 U CN 217735453U
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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 invention discloses a pumping unit based on a permanent magnet motor sectional control system, which comprises a rack (1) and a base (2), wherein the rack (1) is a cuboid frame vertically arranged on the base (2), and the upper part of the rack is provided with an operating platform (3); the motor control device is characterized in that a control cabinet (12) is arranged on the base (2), and a display screen (121), a start/stop button (122), a permanent magnet motor sectional control system and an external controller (123) are arranged in the control cabinet (12). The control system is characterized in that a control module with a DSP as a CPU is used for logic and communication control, a human-computer interface is used for monitoring and parameter setting, and a high-performance vector controller drives a high-efficiency permanent magnet motor to transmit. The system not only improves the transmission efficiency, but also reduces the faults of the whole equipment and saves the cost.
Description
Technical Field
The invention relates to the technical field of equipment and facilities for extracting underground oil products, in particular to an oil pumping unit based on a permanent magnet motor sectional control system.
Background
With the high importance of the country on environmental protection, energy conservation and emission reduction become key guidelines of large enterprises. At present, the electromotion of engineering machinery becomes a very important means for energy conservation and emission reduction. The system formed by the permanent magnet motor, a vector controller and a high-performance DSP as a control unit of the CPU has the characteristics of high specific power density, high efficiency, energy conservation, large-torque direct drive, high precision, flexible control and the like, and is greatly concerned in various industries.
Disclosure of Invention
The invention aims to improve the technology of the existing oil pumping unit, electrify and automate the oil pumping unit through a designed control system, realize energy conservation and emission reduction and improve the working efficiency.
In order to achieve the aim, the invention provides an oil pumping unit based on a permanent magnet motor segmented control system, which comprises a rack and a base, wherein the rack is a cuboid frame vertically arranged on the base, and the upper part of the rack is provided with an operating platform; the base is provided with a control cabinet, and a display screen, a start/stop button, a permanent magnet motor sectional control system and an external controller are arranged in the control cabinet.
A head sheave and a permanent magnet motor for driving the head sheave to synchronously rotate are rotatably arranged at a position, extending out of the bedplate, on the operating platform; two load belts are bridged outside the head sheave, one end of each load belt close to the base is connected with a load, and the other end of each load belt is connected with a dragging plate of the pumping unit; the load belt drives the dragging plate of the oil pumping unit to reciprocate up and down. The rack is provided with a top position sensor, a middle position sensor and a bottom position sensor which are used for detecting the passing of the dragging plate of the pumping unit at the upper, middle and lower positions corresponding to the stroke of the dragging plate of the pumping unit respectively. And a bearing temperature sensor and a winding temperature sensor are correspondingly arranged at the bearing and the motor winding of the permanent magnet motor. The top position sensor, the middle position sensor and the bottom position sensor are used for collecting signals which are transmitted to a sensor receiving unit of the permanent magnet motor sectional control system to be processed, the processed signals are sequentially processed by a first logic processing unit and a communication unit, and finally the processed signals are input into a display screen to be displayed and are also input into an external controller to control the reversing of the permanent magnet motor. Signals collected by the bearing temperature sensor and the winding temperature sensor are transmitted to the sensor receiving unit of the permanent magnet motor sectional control system to be processed, the processed signals are processed by the first logic processing unit and the communication unit in sequence, and finally the processed signals are input into the display screen to be displayed and simultaneously input into the external controller to control the starting/stopping of the permanent magnet motor.
And the signals sent by the start/stop button are transmitted to a first logic processing unit of the permanent magnet motor sectional control system for processing, the processed signals are processed sequentially through a second logic processing unit and an output I/O unit, and finally transmitted to an external controller to control the start/stop of the permanent magnet motor.
Preferably, the permanent magnet motor is connected with the head sheave through a belt wheel mechanism.
Preferably, the area on the display screen displaying the position value and the temperature value has high alarm value and low alarm value setting options, and is also provided with an over-range alarm display.
Preferably, the sensor receiving unit, the first logic processing unit, the communication unit, the second logic processing unit and the output I/O unit in the permanent magnet motor segment control system are integrated into a CPU control module based on a DSP digital signal processor.
Preferably, the external controller is a permanent magnet motor controller.
The CPU control unit adopted by the pumping unit carries out logic and communication control, human-computer interface monitoring and parameter setting in a digital signal processor mode, and realizes real-time and efficient monitoring. The parameters of the bottom end, the middle end and the top end are collected and input into the permanent magnet motor sectional control system, the permanent magnet motor is accurately controlled to be switched and started/stopped, energy conservation is achieved, the external controller drives the permanent magnet motor to perform transmission by adopting a high-performance vector controller, and the pumping unit is efficient and reliable in operation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a pumping unit based on a permanent magnet motor segment control system according to the present invention.
Fig. 2 is a schematic top view structure diagram of the installation position and connection mode of the upper head sheave and the permanent magnet motor of the pumping unit operating platform based on the permanent magnet motor segment control system.
Fig. 3 is an enlarged structural schematic diagram of a pumping unit based on a permanent magnet motor segment control system at a control cabinet according to the present invention.
Fig. 4 is a CPU algorithm composition diagram in the permanent magnet segment control system of the pumping unit based on the permanent magnet motor segment control system according to the present invention.
Wherein: 1. the device comprises a rack, 2, a base, 3, an operation platform, 4, a bedplate, 5, a head sheave, 6, a permanent magnet motor 7, a load belt, 8, a pumping unit dragging plate, 9a, a top position sensor, 9b, a middle position sensor, 9c, a bottom position sensor, 10a, a bearing temperature sensor, 10b, a winding temperature sensor, 11, a sensor receiving unit, 12, a control cabinet, 121, a display screen, 122, a start/stop button, 123, an external controller, 13, a first logic processing unit, 14, a communication unit, 15, a second logic processing unit, 16 and an output I/O unit.
Detailed Description
Example (b):
as shown in fig. 1-2, the pumping unit based on the permanent magnet motor segment control system comprises a frame 1 and a base 2, wherein the frame 1 is a rectangular frame vertically arranged on the base 2, and an operating platform 3 is arranged at the upper part of the frame. The base 2 is provided with a control cabinet 12, and a display screen 121, a start/stop button 122, a permanent magnet motor segment control system and an external controller 123 are arranged in the control cabinet 12. A head sheave 5 and a permanent magnet motor 6 for driving the head sheave 5 to rotate synchronously are rotatably arranged at a position, extending out of the bedplate 4, on the operating platform 3; the permanent magnet motor 6 is connected with the head sheave 5 through a belt wheel mechanism.
Two load belts 7 are bridged outside the head sheave 5, one end of each load belt 7 close to the base 2 is connected with a load, and the other end of each load belt 7 is connected with a dragging plate 8 of the pumping unit; when the head sheave 5 rotates, the load belt 7 is driven to rotate, and the load belt 7 drives the dragging plate 8 of the oil pumping unit to reciprocate up and down;
as shown in fig. 3 to 4, a top position sensor 9a, a middle position sensor 9b, and a bottom position sensor 9c for detecting the passage of the pumping unit dragging plate 8 are respectively installed at the upper, middle, and lower positions of the rack 1 corresponding to the stroke of the pumping unit dragging plate 8. And a bearing temperature sensor 10a and a winding temperature sensor 10b are correspondingly arranged at the bearing and the motor winding of the permanent magnet motor 6.
Signals acquired by the top position sensor 9a, the middle position sensor 9b and the bottom position sensor 9c are transmitted to a sensor receiving unit 11 of the permanent magnet motor segment control system to be processed, the processed signals are sequentially processed by a first logic processing unit 13 and a communication unit 14, and finally the processed signals are input into a display screen 121 to be displayed and are also input into an external controller 123 to control the reversing of the permanent magnet motor 6.
Signals collected by the bearing temperature sensor 10a and the winding temperature sensor 10b are transmitted to the sensor receiving unit 11 of the permanent magnet motor segment control system for processing, the processed signals are processed by the first logic processing unit 13 and the communication unit 14 in sequence, and finally are input to the display screen 121 for displaying and input to the external controller 123 for controlling the start/stop of the permanent magnet motor 6; the area on the display screen 121 that displays the position value and the temperature value has options for setting a high alarm value and a low alarm value, and is also provided with an out-of-range alarm display. The external controller 123 is a permanent magnet motor controller. The permanent magnet motor controller is also called as a permanent magnet synchronous motor controller, is a vector controller in the prior art, and the model of the permanent magnet motor controller is selected according to the model of the selected permanent magnet motor.
The signal sent by the start/stop button 122 is transmitted to the first logic processing unit 13 of the permanent magnet motor segment control system for processing, the processed signal is processed sequentially through the second logic processing unit 15 and the output I/O unit 16, and finally transmitted to the external controller 123 to control the start/stop of the permanent magnet motor 6.
The sensor receiving unit 11, the first logic processing unit 13, the communication unit 14, the second logic processing unit 15 and the output I/O unit in the permanent magnet motor segment control system are integrated into a CPU control module based on a DSP digital signal processor, and the CPU control module is used for performing logic and communication control, realizing setting of stroke, position and temperature parameters of the pumping unit, monitoring the stroke, position and temperature parameters, and giving an alarm when an abnormality occurs on a display screen.
The DSP is a high-speed digital signal processor, and the specific content is as follows: https: v baike, baidu, com/item/% E9% AB%98 E9-80F%
The CPU control unit adopted by the pumping unit carries out logic and communication control, human-computer interface monitoring and parameter setting in a digital signal processor mode, and real-time and efficient monitoring is realized. The parameters of the bottom end, the middle end and the top end are collected and input into the permanent magnet motor sectional control system, the permanent magnet motor is accurately controlled to be switched and started and stopped, energy conservation is achieved, the external controller drives the permanent magnet motor to perform transmission by adopting a high-performance vector controller, and the pumping unit is efficient and reliable in operation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A pumping unit based on a permanent magnet motor sectional control system comprises a rack (1) and a base (2), and is characterized in that the rack (1) is a cuboid frame vertically arranged on the base (2), and an operating platform (3) is arranged at the upper part of the rack; a control cabinet (12) is arranged on the base (2), and a display screen (121), a start/stop button (122), a permanent magnet motor sectional control system and an external controller (123) are arranged in the control cabinet (12);
a head sheave (5) and a permanent magnet motor (6) for driving the head sheave (5) to rotate synchronously with the head sheave are rotatably arranged at a position, extending out of the bedplate (4), on the operating platform (3); two load belts (7) are bridged outside the head sheave (5), one ends of the two load belts (7) close to the base (2) are connected with a load, and the other ends of the two load belts are connected with a dragging plate (8) of the oil pumping unit; the load belt (7) drives the dragging plate (8) of the oil pumping unit to reciprocate up and down;
wherein, the rack (1) is respectively provided with a top position sensor (9 a), a middle position sensor (9 b) and a bottom position sensor (9 c) which are used for detecting the passing of the dragging plate (8) of the pumping unit at the upper, middle and lower positions corresponding to the stroke of the dragging plate (8) of the pumping unit;
a bearing temperature sensor (10 a) and a winding temperature sensor (10 b) are correspondingly arranged at the bearing and motor winding of the permanent magnet motor (6);
signals collected by the top position sensor (9 a), the middle position sensor (9 b) and the bottom position sensor (9 c) are transmitted to a sensor receiving unit (11) of the permanent magnet motor segment control system to be processed, the processed signals are processed by a first logic processing unit (13) and a communication unit (14) in sequence, and finally are input to a display screen (121) to be displayed and input to an external controller (123) to control the reversing of the permanent magnet motor (6);
signals collected by the bearing temperature sensor (10 a) and the winding temperature sensor (10 b) are transmitted to a sensor receiving unit (11) of the permanent magnet motor sectional control system to be processed, the processed signals are processed by a first logic processing unit (13) and a communication unit (14) in sequence, and finally the processed signals are input into a display screen (121) to be displayed and input into an external controller (123) to control the start/stop of the permanent magnet motor (6);
and a signal sent by the start/stop button (122) is transmitted to a first logic processing unit (13) of the permanent magnet motor sectional control system for processing, the processed signal is processed sequentially through a second logic processing unit (15) and an output I/O unit (16), and finally transmitted to an external controller (123) for starting/stopping the permanent magnet motor (6).
2. The oil pumping unit based on the permanent magnet motor segmentation control system according to claim 1, characterized in that the permanent magnet motor (6) is connected with the head sheave (5) through a belt wheel mechanism.
3. The oil pumping unit based on the permanent magnet motor segmented control system according to claim 1, characterized in that the area displaying the position value and the temperature value on the display screen (121) has high alarm value and low alarm value setting options and is also provided with an out-of-range alarm display.
4. The oil pumping unit based on the segmented control system of the permanent magnet motor according to claim 1, wherein the sensor receiving unit (11), the first logic processing unit (13), the communication unit (14), the second logic processing unit (15) and the output I/O unit in the segmented control system of the permanent magnet motor are integrated into a CPU control module based on a DSP digital signal processor.
5. The pmcs-based pumping unit of claim 1, wherein the external controller (123) is a pmc controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968563.XU CN217735453U (en) | 2022-04-25 | 2022-04-25 | Oil pumping unit based on permanent magnet motor sectional control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968563.XU CN217735453U (en) | 2022-04-25 | 2022-04-25 | Oil pumping unit based on permanent magnet motor sectional control system |
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| Publication Number | Publication Date |
|---|---|
| CN217735453U true CN217735453U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220968563.XU Active CN217735453U (en) | 2022-04-25 | 2022-04-25 | Oil pumping unit based on permanent magnet motor sectional control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN217735453U (en) |
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- 2022-04-25 CN CN202220968563.XU patent/CN217735453U/en active Active
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