CN208996715U - A kind of oil-well rig AC frequency conversion direct driving motor dedicated control system - Google Patents
A kind of oil-well rig AC frequency conversion direct driving motor dedicated control system Download PDFInfo
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- CN208996715U CN208996715U CN201821570239.2U CN201821570239U CN208996715U CN 208996715 U CN208996715 U CN 208996715U CN 201821570239 U CN201821570239 U CN 201821570239U CN 208996715 U CN208996715 U CN 208996715U
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- driving motor
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- frequency conversion
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 48
- 239000003129 oil well Substances 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 10
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of oil-well rig AC frequency conversion direct driving motor dedicated control systems, including control system and converter system；Control system includes controller, console and acquisition module, the connection of the command input end of control platform and controller, the signal output end of acquisition module and the signal input part of controller connect, and the signal input part of acquisition module is connected with sensor, and sensor is arranged on AC frequency conversion direct driving motor；Converter system includes rectification unit, inversion unit and the dynamic braking unit being electrically connected to each other by copper bar, dynamic braking unit is circumscribed with variable rheostat, controller is connect with rectification unit, the signal output end of inversion unit is connect with the signal input part of AC frequency conversion direct driving motor, is serially connected with encoder between the shaft of AC frequency conversion direct driving motor and the signal input part of inversion unit.The system can realize that the fully loaded output of drilling machine direct driving motor low frequency and speed are precisely controlled, and drill carriage direct driving motor, which has, High Precision Automatic send brill function.
Description
Technical field
The utility model belongs to oil-well rig equipment technical field, directly drives more particularly to a kind of oil-well rig AC frequency conversion
Motor dedicated control system.
Background technique
The Jiao Che ﹑ turntable in oil electric drilling machine and slush pump are all made of the driving method of high-speed motor acceleration and deceleration case at present
Work, structure is complicated for this driving method, and transmission efficiency is low.To realize automatic bit feed function, additionally increase by one is also needed to send brill
Motor and reduction gearbox, this undoubtedly increases the cost purchased, and the speed adjustable range of automatic bit feed is narrow, send brill precision low.
In recent years, AC frequency conversion directly drives technology applied to oil electric drilling machine, constitutes simple, transmission effect with transmission chain
The advantages that rate is high, size is small, light-weight.Therefore, AC frequency conversion, which directly drives technology, will become the development trend of oil electric drilling machine, but
It is the control performance and control precision that control system traditional at present is also unable to satisfy that AC frequency conversion directly drives low-speed high-torque motor.
Utility model content
The purpose of the utility model is to provide a kind of oil-well rig AC frequency conversion direct driving motor dedicated control system, solve to pass
Drill configuration of uniting is complicated, and speed adjustable range is narrow, control performance difference and the low problem of precision.
In order to achieve the above object, the utility model is the technical scheme adopted is that a kind of oil-well rig AC frequency conversion is straight
Drive motor dedicated control system, comprising:
Control system, the control system include controller, console and acquisition module, the control platform and the control
The command input end of device processed connects, and the signal output end of the acquisition module and the signal input part of controller connect, and acquires mould
The signal input part of block is connected with sensor, and the sensor is arranged on AC frequency conversion direct driving motor；
Converter system, the converter system include the rectification unit, inversion unit and energy by being electrically connected to each other by copper bar
Brake unit is consumed, the dynamic braking unit is circumscribed with variable rheostat, the order output terminal of the controller and the rectification unit
Signal input part connection, the signal output end of the inversion unit connect with the power end of AC frequency conversion direct driving motor, exchange
Encoder is serially connected between the shaft of variable-frequency direct-drive motor and the signal input part of inversion unit.
The technical solution of the utility model also has the following characteristics that
The console is HIM Human-machine Control screen, order output terminal and the controller of the HIM Human-machine Control screen
Command input end connection.
The console is that platform is manually operated in driver, and the order output terminal and the controller of platform is manually operated in the driver
Command input end connection.
The console includes that platform, the HIM Human-machine Control screen and driver's hand is manually operated in HIM Human-machine Control screen and driver
The order output terminal of dynamic station is connect with the command input end of the controller.
The shaft of the AC frequency conversion direct driving motor is connect with the encoder by shaft coupling.
The beneficial effects of the utility model are:
(1) there is the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model high-efficient, band to carry energy
The advantages that power is strong and speed adjustable range is wide, the core of the control system are to add Closed loop Control by Direct Torque (DTC), can
The fully loaded output of low frequency and speed to meet drilling machine direct driving motor are precisely controlled requirement, and drill carriage direct driving motor is promoted to have height
Precision automatic bit feed function.
(2) the load dynamic change of the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model, is adopted
Drilling machine is realized according to the Acceleration and deceleration time of load dynamic change adjustment AC frequency conversion direct driving motor with precise speed control algolithm
The optimal control in dynamic of direct driving motor performance promotes the operation timeliness of drilling machine on the whole.
(3) the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model, controls HMI by controller
Human-machine Control screen shows the operating status of each motor, and driller, which operates, may be selected HMI Human-machine Control screen and driver's manual operation platform
Control two ways is controlled, which has the functions such as safety interlock, fault diagnosis, real time monitoring, alarm, self-shield.
Detailed description of the invention
Fig. 1 is a kind of working principle of oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model
Figure；
Fig. 2 is a kind of circuit theory of oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model
Figure.
In figure, 1. control systems, 2. drivers manual operation platform, 3.HIM Human-machine Control screen, 4. controllers, 5. acquisition modules,
6. converter system, 7. resistance boxes, 8. rectification units, 9. inversion units, 10. dynamic braking units, 11. encoders, 12. exchanges become
Frequency direct driving motor.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
As shown in Figure 1, a kind of oil-well rig AC frequency conversion direct driving motor dedicated control system, mainly by 1 He of control system
Converter system 6 forms.
Control system 1 is mainly made of controller 4, console and acquisition module 5.Wherein: the order output terminal of console
It is connect with the command input end of controller 4, worker can realize the control to controller 4 by operating console, realize indirectly
Control to converter system 6 is not necessarily to direct-acting controller 4；The signal output end of the acquisition module 5 then signal with controller 4
Input terminal connection, acquisition module 5 is mainly used for temperature information when real-time monitoring AC frequency conversion direct driving motor 12 is run, specific next
Say that the signal input part of acquisition module 5 connects a sensor, which is temperature sensor, and sensor setting becomes in exchange
On frequency direct driving motor 12, for the temperature information of collected AC frequency conversion direct driving motor 12 to be issued as electronic signals,
Acquisition module 5 is mainly used for receiving and converting these electric signals.
In conjunction with Fig. 2, converter system 6, converter system 6 includes rectification unit 8, the inversion list by being electrically connected to each other by copper bar
Member 9 and dynamic braking unit 10.
Wherein: dynamic braking unit 10 is circumscribed with resistance box 7, and dynamic braking unit 10 can be by AC frequency conversion direct driving motor 12
The regenerative electric energy generated by fast braking is transmitted to matched resistance box 7, and then realizes fast braking, and protect inversion
Persecution of the unit 9 from the regenerative electric energy；The order output terminal of controller 4 is connect with the signal input part of rectification unit 8, inversion
The signal output end of unit 9 is connect with the signal input part of AC frequency conversion direct driving motor 12；AC frequency conversion direct driving motor 12 turns
Encoder 11 is serially connected between axis and the signal input part of inversion unit 9, specifically, the signal receiving end of encoder 11 passes through
Shaft coupling is connect with the shaft of AC frequency conversion direct driving motor 12, and the signal transmitting terminal and the signal of inversion unit 9 of encoder 11 are defeated
Enter end connection.
One kind as console in the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model is excellent
The automatic control mode of choosing, console are preferably HIM Human-machine Control screen 3, the order output terminal of HIM Human-machine Control screen 3 and control
The command input end of device 4 connects, and HIM Human-machine Control screen 3 is the display screen based on HIM man-machine interface.
One kind as console in the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model is excellent
The manual control mode of choosing, console are that platform 2 is manually operated in driver, and the order output terminal and controller 4 of platform 2 is manually operated in driver
Command input end connection, driver be manually operated platform 2 be traditional manually operable platform, table top be provided with it is multiple control by
Button.
One kind as console in the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model is excellent
Manual+automatic mixed-control mode of choosing, console are manually operated platform 2 by HIM Human-machine Control screen 3 and driver and constitute, HIM people
The order output terminal that platform 2 is manually operated in the order output terminal of machine control flow 3 and driver connects with the command input end of controller 4 respectively
It connects.
The dedicated control system of AC frequency conversion direct driving motor 12 includes that control system 1, converter system 2, AC frequency conversion directly drive
Motor 7, controller 4 in the control system 1 respectively with converter system 2, driller's station 3, HMI man-machine interface 4 and acquisition mould
Block is connected by industrial-controlled general line.
As shown in Fig. 2, the inversion unit 9 in converter system 6 is connect by power cable with AC frequency conversion direct driving motor 12,
It is connected by copper bar with dynamic braking unit 10, resistance box 7 is connected with dynamic braking unit 10 by power cable.When work,
4 one side of controller passes through the status signal of 8 real-time monitoring converter system 6 of rectification unit, is on the other hand supervised by acquisition module 5
The operating condition of AC frequency conversion direct driving motor 12 is surveyed, and then control command can be sent to rectification unit 8 according to the information monitored,
9 output power of inversion unit controls it and is operated to AC frequency conversion direct driving motor 12 at this time, and hereafter encoder 11 becomes exchange
The tach signal that frequency direct driving motor 12 exports is to inversion unit 9, and dynamic braking unit 10 then exports energy as the case may be later
Brake power is consumed to resistance box 7, the final closed-loop control for realizing AC frequency conversion direct driving motor 12.
Therefore, there is the oil-well rig AC frequency conversion direct driving motor dedicated control system of the utility model high-efficient, band to carry
The advantages that ability is strong and speed adjustable range is wide, the core of the control system are to add Closed loop Control by Direct Torque (DTC),
The low frequency fully loaded output and speed that can satisfy drilling machine direct driving motor are precisely controlled requirement, and drill carriage direct driving motor is promoted to have
It is High Precision Automatic to send brill function；Using precise speed control algolithm, AC frequency conversion direct driving motor is adjusted according to load dynamic change
Acceleration and deceleration time, realize drilling machine direct driving motor performance optimal control in dynamic, on the whole promoted drilling machine operation timeliness；It is logical
Cross controller control HMI Human-machine Control screen and show the operating status of each motor, driller operate may be selected HMI Human-machine Control screen and
Driver be manually operated platform control two ways control, the system have safety interlock, fault diagnosis, real time monitoring, alarm,
The functions such as self-shield.
Claims (5)
1. a kind of oil-well rig AC frequency conversion direct driving motor dedicated control system, which is characterized in that including
Control system (1), the control system (1) include controller (4), console and acquisition module (5), the console with
The command input end of the controller (4) connects, and the signal of the signal output end and controller (4) of the acquisition module (5) is defeated
Enter end connection, the signal input part of acquisition module (5) is connected with sensor, and the sensor is arranged in AC frequency conversion direct driving motor
(12) on；
Converter system (6), the converter system (6) include rectification unit (8), the inversion unit being electrically connected to each other by copper bar
(9) it is circumscribed with resistance box (7) with dynamic braking unit (10), the dynamic braking unit (10), the order of the controller (4)
Output end is connect with the signal input part of the rectification unit (8), the signal output end and AC frequency conversion of the inversion unit (9)
The power end of direct driving motor (12) connects, the shaft of AC frequency conversion direct driving motor (12) and the signal input part of inversion unit (9)
Between be serially connected with encoder (11).
2. oil-well rig AC frequency conversion direct driving motor dedicated control system according to claim 1, which is characterized in that described
Console is HIM Human-machine Control screen (3), the order output terminal of the HIM Human-machine Control screen (3) and the life of the controller (4)
Input terminal is enabled to connect.
3. oil-well rig AC frequency conversion direct driving motor dedicated control system according to claim 1, which is characterized in that described
Console is that platform (2) are manually operated in driver, and order output terminal and the controller (4) of platform (2) are manually operated in the driver
Command input end connection.
4. oil-well rig AC frequency conversion direct driving motor dedicated control system according to claim 1, which is characterized in that described
Console includes that platform (2) are manually operated in HIM Human-machine Control screen (3) and driver, and the HIM Human-machine Control screen (3) and driver are manual
The order output terminal of station (2) is connect with the command input end of the controller (4).
5. oil-well rig AC frequency conversion direct driving motor dedicated control system according to claim 1, which is characterized in that described
The shaft of AC frequency conversion direct driving motor (12) is connect with the encoder (11) by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570239.2U CN208996715U (en) | 2018-09-26 | 2018-09-26 | A kind of oil-well rig AC frequency conversion direct driving motor dedicated control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570239.2U CN208996715U (en) | 2018-09-26 | 2018-09-26 | A kind of oil-well rig AC frequency conversion direct driving motor dedicated control system |
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| Publication Number | Publication Date |
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| CN208996715U true CN208996715U (en) | 2019-06-18 |
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ID=66801000
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| CN201821570239.2U Active CN208996715U (en) | 2018-09-26 | 2018-09-26 | A kind of oil-well rig AC frequency conversion direct driving motor dedicated control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057772A (en) * | 2018-09-26 | 2018-12-21 | 西安宝美电气工业有限公司 | Oil-well rig AC frequency conversion direct driving motor dedicated control system |
-
2018
- 2018-09-26 CN CN201821570239.2U patent/CN208996715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057772A (en) * | 2018-09-26 | 2018-12-21 | 西安宝美电气工业有限公司 | Oil-well rig AC frequency conversion direct driving motor dedicated control system |
| WO2020063391A1 (en) * | 2018-09-26 | 2020-04-02 | 西安宝美电气工业有限公司 | Dedicated control system for alternating-current variable-frequency direct-drive motor of oil drilling rig |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 710077 No. 66, Kam Yip Road, Gaoxin District, Shaanxi, Xi'an Co-patentee after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Patentee after: BOMAY ELECTRIC INDUSTRIES Co.,Ltd. Address before: 710077 No. 66, Kam Yip Road, Gaoxin District, Shaanxi, Xi'an Patentee before: BOMAY ELECTRIC INDUSTRIES Co.,Ltd. |
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| TR01 | Transfer of patent right |