CN106499367B - A kind of pumping unit low impact spot starting intelligent positioner and its method - Google Patents
A kind of pumping unit low impact spot starting intelligent positioner and its method Download PDFInfo
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- CN106499367B CN106499367B CN201610960905.2A CN201610960905A CN106499367B CN 106499367 B CN106499367 B CN 106499367B CN 201610960905 A CN201610960905 A CN 201610960905A CN 106499367 B CN106499367 B CN 106499367B
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- 238000005086 pumping Methods 0.000 title claims abstract description 157
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000011897 real-time detection Methods 0.000 claims description 4
- 230000004807 localization Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 83
- 238000010586 diagram Methods 0.000 description 5
- 241001023788 Cyttus traversi Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003129 oil well Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/02—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
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- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A kind of pumping unit low impact spot starting intelligent positioner and its method, the localization method include: step 1: the parameter that setting oil pumping motor drives；Step 2: master controller starts oil pumping motor, and sucker rod is driven to move repeatedly up and down；Step 3: by the motion state of position sensor detection sucker rod, and will test signal and be sent to master controller；Step 4: master controller calculates the detection signal received, when arrival first angle to be detected, disconnects oil pumping motor power supply；Step 5: when oil pumping motor rotation to be detected reaches second angle, oil pumping motor being braked, when sucker rod stops at the upper limit position of its movement, then oil pumping motor is carried out to stay dynamic brake.The invention also includes a kind of pumping unit low impact spots to start intelligent positioner.The present invention can be improved the safety of long-range controlled beam-pumping unit starting, the service life of oil pumping motor, reduction starting current, improves working efficiency, saves production cost.
Description
Technical field
The present invention relates to oil pumping in oil fields technical field, especially a kind of pumping unit low impact spot starting intelligent positioner and
Its method.
Background technique
Sucker rod is the important component of sucker rod pumping equipment.Sucker rod generally passes through box cupling and connects into rod string, upper warp
Polished rod connects pumping unit, under connect the plunger of oil well pump, effect is to pass to the reciprocating motion of ground pumping unit horsehead suspension point
Downhole pump.Pumping unit at work, by motor drive walking beam horse head move back and forth, and then with horse head drive polished rod and
Sucker rod makees linear motion up and down reciprocatingly, this is moved the piston being transmitted in downhole pump again by sucker rod.
However, existing sucker rod when stopping working, is usually the minimum point for being parked in sucker rod movement, can exist in this way
Following defect: (1) once restarting work, sucker rod can be moved upwards first, and the counterweight in underground of sucker rod is larger, be taken out
Beam hanger will overcome certain gravity when moving upwards, this just needs motor in starting moment, generate biggish starting current.But
It is that the big one side of starting current can make motor heating in winding, insulation ag(e)ing, so as to shorten the service life of motor；It is another
Aspect can make network voltage generate fluctuation, to influence the normal operation for connecing other equipment on power grid；(2) it pumps
When bar moves upwards, it is be easy to cause rod broken, thus cost of idleness significantly；(3) sucker rod first moves upwards, and can extend pumping
The oily time reduces working efficiency, and then reduces oil pumping yield, influences the performance of enterprises.
Summary of the invention
A kind of registration is provided the purpose of the present invention is overcoming the above-mentioned insufficient of the prior art, shortens the oil pumping time,
The pumping unit low impact spot for improving motor life starts intelligent positioner, can greatly save the fund of human and material resources
Investment improves oil production rate.
The technical scheme is that
A kind of pumping unit low impact spot of the present invention starts intelligent locating method, comprising the following steps:
Step 1: the parameter that setting oil pumping motor drives, including sucker rod reach disconnection oil pumping motor power supply behind lower position
First angle, oil pumping motor power-off after open add dynamic second angle, oil pumping motor starting before the audio alert time；
Step 2: after master controller receives enabling signal, progress audio alert prompt first, then discharge electric-controlled mechanical brake
Vehicle device then restarts oil pumping motor, and sucker rod is driven to move repeatedly up and down；
Step 3: by the motion state of position sensor detection sucker rod, the adjacent time difference detected twice is sucker rod fortune
The dynamic period, and will test signal and be sent to master controller；
Step 4: after master controller receives stop signal, the detection signal received being calculated, arrival to be detected
When first angle, oil pumping motor power supply is disconnected；
Step 5: can be continued to rotate because of machinery inertial after oil pumping motor power-off, the fortune of position sensor real-time detection sucker rod
Dynamic state brakes oil pumping motor, stops at its fortune to sucker rod when oil pumping motor rotation to be detected reaches second angle
When dynamic upper limit position, connects electric-controlled mechanical brake gear and oil pumping motor is carried out to stay dynamic brake, so that sucker rod stops completely.
Further, in step 1, disconnection oil pumping motor power supply refers at sucker rod after the sucker rod reaches lower position
In its movement lower position and upper limit position between any position when execute disconnect oil pumping motor power supply movement.
Further, in step 2, the enabling signal and stop signal are provided by other controllers at scene, or are passed through
It is long-range to send start and stop instruction.
A kind of positioning device for starting intelligent locating method according to aforementioned pumping unit low impact spot of the present invention, comprising:
Position sensor, for detecting the movement position of sucker rod, the adjacent time difference detected twice is sucker rod fortune
The dynamic period；
Master controller, for controlling the start and stop of pumping unit and oil pumping motor, setting oil pumping motor drives parameter, and contraposition
The detection signal for setting sensor transmissions is calculated, and reaches target position in conjunction with first angle and second angle to control sucker rod
It sets；
Oil pumping motor, for driving sucker rod to move repeatedly up and down；
Single-phase rectifier unit is transferred to oil pumping motor, to oil pumping electricity for the electric current of input to be changed into suitable electric current
Machine is braked；
Sound broadcasting device, for alerting the people near pumping unit far from pumping unit；
Electric-controlled mechanical brake gear stays dynamic brake for carrying out to oil pumping motor, sucker rod is made to eventually stop at its movement
Upper limit position.
It further, further include the first power supply and second source, first power supply is master controller power supply, second electricity
Source is the power supply of single-phase rectifier unit.
Further, the output end of the master controller passes through main oil pumping motor control switch and braking power control switch institute
The interlock circuit of formation is separately connected the power input of oil pumping motor and single-phase rectifier unit.
Further, the single-phase rectifier unit includes AC convertor, transformer and rectifies constant flow module, described single-phase
The power input of rectification unit is successively electrically connected through AC convertor, transformer and rectification constant flow module with oil pumping motor.
Further, the master controller is communicated through start stop signal interface and system terminal.
Further, the master controller turns RS485 transmission start and stop instruction through GPRS DTU remote control module.
Further, the electric-controlled mechanical brake gear includes in movement controller, stays dynamic motor and mechanical braking device, master control
The output end of device processed, which passes through to stay to move to switch to connect, stays movement controller, and the output end connection in movement controller is in motor is moved, in dynamic motor
Oil pumping motor is carried out by control mechanical braking device to stay dynamic brake.
Further, the position sensor is that the lower part of sucker rod is installed on close to switch close to switch.
Further, the voltage at the main oil pumping motor control switch is identical as the voltage at braking power control switch.
Beneficial effects of the present invention:
(1) once starting again at work, sucker rod can move directly down, and certain weight is overcome without first moving upwards
Power, so that oil pumping motor generates lesser starting current in starting moment, so that it may drive sucker rod to move downward, from
And improve the service life of oil pumping motor；Meanwhile it can also guarantee to connect the normal operation of other equipment on power grid；
(2) it can be effectively prevent rod broken, greatly save cost；
(3) sucker rod moves directly down, greatly shortens the oil pumping time, improves working efficiency, and then improve oil pumping yield,
Improve the performance of enterprises.
Detailed description of the invention
Fig. 1 is the circuit diagram of master controller of the embodiment of the present invention；
Fig. 2 is the circuit diagram of oil pumping motor of the embodiment of the present invention；
Fig. 3 is the circuit diagram of braking system of the embodiment of the present invention；
Fig. 4 is the circuit diagram of sound broadcasting device of the embodiment of the present invention；
Fig. 5 is the flow diagram of localization method of the embodiment of the present invention.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
As shown in Fig. 1 ~ Fig. 4: a kind of pumping unit low impact spot starting intelligent positioner, including master controller UM2, position
Sensor, oil pumping motor DM1, single-phase rectifier unit, sound broadcasting device and electric-controlled mechanical brake gear.
The master controller UM2 of the present embodiment is equipped with key, for the inner parameter of master controller UM2 to be arranged, such as sets
Set sucker rod reach lower position after disconnect oil pumping motor power supply first angle, setting oil pumping motor DM1 power off after open plus
The second angle of braking and setting time of fire alarming etc..Master controller UM2 can be used for controlling the start and stop of pumping unit, the internal ginseng of setting
Number, and the detection signal of position sensor transmissions is calculated, and pumps in conjunction with first angle and second angle to control
Bar reaches target position.
The position sensor of the present embodiment is preferably close to switch SQ, selects the explosion-proof of three-wire system NPN type close to switch SQ
Close to switch, when pumping unit operation, the change in location of the sucker rod for incuding pumping unit, and oil pumping in operational process
The change in location of bar is transferred to master controller UM2.Wherein, it is mounted on the suitable position below sucker rod close to switch SQ, whenever
Sucker rod moves downward, and when having signal triggering close to switch SQ, will export high level signal and give master controller UM2, and is close
The switch SQ adjacent time difference detected twice is the sucker rod period of motion.
The parameter setting of the present embodiment cannot will rationally go beyond the scope.Specifically, sucker rod breaks after reaching lower position
Open execution when oil pumping motor power supply refers to any position between the lower position and upper limit position that sucker rod is in its movement
The movement of oil pumping motor power supply is disconnected, then the setting range of first angle will meet sucker rod must be when moving upwards,
And sucker rod cannot enter within the scope of the setting of first angle when movement (i.e. into oil well) downwards.The setting of angular values with
The pulse of master controller UM2 output is related, and the pulse of master controller UM2 output is by master controller to the inspection close to switch SQ transmission
It surveys signal to be calculated, to obtain the numberical range of first angle.It is added in addition, being opened after oil pumping motor DM1 power-off
The principle of dynamic second angle is identical as first angle, and the time difference between second angle and first angle is electricity of pumping
Run-down time for generating because machinery inertial continues to rotate after machine DM1 power-off, the numberical range of second angle depend on pair
Whether sucker rod soon reaches the assurance of upper limit position.
Further, the output end of master controller UM2 passes through main oil pumping motor control switch KM1 and braking power control switch
KM2 is formed by the power input that interlock circuit is separately connected oil pumping motor DM1 and single-phase rectifier unit.
Specifically, coil, main oil pumping electricity of the output end of master controller UM2 successively through braking power control switch KM2
The normally-closed contact of machine control switch KM1 is connect with oil pumping motor DM1；The output end of master controller UM2 is also successively through main oil pumping electricity
The power input of the coil of machine control switch KM1, the normally-closed contact of braking power control switch KM2 and single-phase rectifier unit connects
It connects.Its principle are as follows: when the coil of KM1 powers on actuation, the normally-closed contact of KM1 is disconnected, then master controller UM2 not can control oil pumping
The start and stop of motor DM1 major loop, and single-phase rectifier unit can be powered on, control oil pumping motor DM1 carries out brake operating；Phase
Instead, when the coil of KM2 powers on actuation, the normally-closed contact of KM2 is disconnected, then single-phase rectifier unit can not work, and electricity of pumping
The governor circuit of machine DM1 can work normally.In addition, the voltage at main oil pumping motor control switch KM1 is opened with braking power control
The voltage closed at KM2 is identical.
Further, single-phase rectifier unit is used to the electric current of input being changed into suitable electric current, is transferred to oil pumping motor
DM1, and to oil pumping motor DM1 brake comprising AC convertor UM3, transformer B1 and rectification constant flow module UM4, it is single-phase
The power input of rectification unit is successively through AC convertor UM3, transformer B1 and rectification constant flow module UM4 and oil pumping motor
DM1 electrical connection.
Specifically, the effect of AC convertor UM3 are as follows: if the electric current of power input is excessive, can be become by exchange
Stream device UM3 is inhibited, and avoiding electric current is more than rated current, while reducing impact.The effect of transformer B1 is first is that by voltage drop
It is low, a brake voltage is provided, second is that playing buffer action, control loop and major loop are isolated.Constant flow module UM4 is rectified to use
In the exchange of transformer B1 is converted to direct current, while keeping direct current controllable.
Further, electric-controlled mechanical brake gear includes UM5 in movement controller, stays dynamic motor DM2 and mechanical braking device, main
The output end of controller UM2, which passes through, stays dynamic switch J2 connection in movement controller, and dynamic motor is stayed in the output end connection of UM5 in movement controller
DM2 carries out oil pumping motor DM1 by control mechanical braking device in dynamic motor DM2 to stay dynamic brake.
Referring to described in the present embodiment in dynamic brake allows oil pumping motor DM1 thoroughly to stop, and braking refers in oil pumping motor
DM1 prevents oil pumping motor from being influenced by external force when stopping, and oil pumping motor is allowed to be maintained at stationary state.
Further, the present embodiment further includes sound broadcasting device UM6, such as loudspeaker or loudspeaker, the output end of master controller
Through alarm switch J1 connection sound broadcasting device UM6.After alarm switch J1 closure, sound broadcasting device UM6 will pass through loudspeaker
Or loudspeaker plays voice, to alert the people near pumping unit far from pumping unit, pumping unit will start to work.
Further, master controller UM2 is communicated through start stop signal interface SK and system terminal.Start stop signal interface is host computer
Or the instruction of server hair sends a signal to master controller and is controlled if current well needs to pump, if being not required to pump,
Master controller cannot start.In the present embodiment, master controller UM2 turns RS485 through GPRS DTU remote control module and sends start and stop
Instruction.
Further, the present embodiment further includes the first power supply and second source.
Specifically, the first power supply is Switching Power Supply UM1, power for master controller UM2, oil pumping motor DM1 governor circuit
Power input access alternating current through three-phase breaker QF, the U of three-phase breaker QF terminates the power input into Switching Power Supply UM1
End, the V termination of three-phase breaker QF enter the power input of movement controller UM5, the end V of three-phase breaker QF and the conduct of the end W
Second source accesses single-phase rectifier unit.By by master controller UM2, UM5 in movement controller and single-phase rectifier unit separate into
Row individually power supply, interferes with each other to avoid between them.
It is as shown in Figure 5: the localization method of the present embodiment are as follows:
S501: the parameter that setting oil pumping motor drives, including sucker rod reach disconnection oil pumping motor power supply behind lower position
First angle and oil pumping motor power-off after open add dynamic second angle, oil pumping motor starting before audio alert when
Between.
Wherein, after first angle setting, it can guarantee that sucker rod is exactly in the lower limit of movement when reaching first angle
Between position and upper limit position, i.e., between the movable minimum point of sucker rod institute and highest point.
S502: after master controller receives enabling signal, progress audio alert prompt first, then discharge electric-controlled mechanical brake
Device then restarts oil pumping motor, and sucker rod is driven to move repeatedly up and down.
After master controller UM2 receives the oil pumping instruction of host computer transmission, alarm switch J1 closure is first controlled, voice is broadcast
Reporting device UM6 starting alarm, to alert the people near pumping unit far from pumping unit, pumping unit will start to work, alarm several seconds
Afterwards, master controller UM2 then discharges mechanical braking device by staying dynamic switch J2 and controlling through UM5 in movement controller in dynamic motor,
So that mechanical braking device is detached from oil pumping motor；Oil pumping motor is started to work later, i.e. master controller UM2 allows braking power control
The coil of switch KM2 powers on, and the normally-closed contact of KM2 disconnects at this time, the normally-closed contact closure of main oil pumping motor control switch KM1,
The governor circuit of oil pumping motor starts, and oil pumping motor DM1 starts to work, and sucker rod is driven to move repeatedly up and down.
S503: by the motion state close to switch detection sucker rod, the adjacent time difference detected twice is sucker rod movement
Period, and will test signal and be sent to master controller.
Close to switch SQ by the change in location of the sucker rod of induction pumping unit, and the position of sucker rod in operational process
It sets variation and is transferred to master controller UM2, when moving downward sucker rod, and has signal triggering close to switch SQ, height will be exported
Level signal gives master controller UM2, and the close switch SQ adjacent time difference detected twice is the sucker rod period of motion.
S504: after master controller receives stop signal, calculating the detection signal received, to be detected to reach the
When one angle, oil pumping motor power supply is disconnected.
Master controller UM2 judges whether to reach first angle, if reaching first angle, main oil pumping motor control switch
The normally-closed contact of KM1 disconnects, i.e., the governor circuit of oil pumping motor disconnects power supply.
S505: can continue to rotate after oil pumping motor power-off because of machinery inertial, close to the movement of switch real-time detection sucker rod
State brakes oil pumping motor, stops at its movement to sucker rod when oil pumping motor rotation to be detected reaches second angle
Upper limit position when, connect electric-controlled mechanical brake gear so that sucker rod stops completely.
It can be continued to rotate because of machinery inertial after oil pumping motor power-off, the motion state of close switch real-time detection sucker rod,
When oil pumping motor rotation to be detected reaches second angle, the coil of main oil pumping motor control switch KM1 is powered on, and KM1's is normal at this time
Closed contact disconnects, and the normally-closed contact closure of braking power control switch KM2, single-phase rectifier unit is initially powered up work, provides one
A brake voltage allows oil pumping motor DM1 to stop working；When sucker rod stops at the upper limit position of its movement, master controller UM2
It is then real to oil pumping motor DM1 to control mechanical braking device in dynamic motor through the control of UM5 in movement controller by staying dynamic switch J2
It applies and stays dynamic brake, oil pumping motor DM1 is allowed to stop completely, and sucker rod eventually stops at the upper limit position of its movement.
The localization method of the present embodiment can guarantee that sucker rod stops at highest point, in this way, having the advantage that
(1) once starting again at work, sucker rod can move directly down, and certain weight is overcome without first moving upwards
Power, so that oil pumping motor generates lesser starting current in starting moment, so that it may drive sucker rod to move downward, from
And improve the service life of oil pumping motor；Meanwhile it can also guarantee to connect the normal operation of other equipment on power grid；
(2) it can be effectively prevent rod broken, greatly save cost；
(3) sucker rod moves directly down, greatly shortens the oil pumping time, improves working efficiency, and then improve oil pumping yield,
Improve the performance of enterprises.
The above is only a preferred embodiment of the present invention, is not intended to restrict the invention, it is clear that those skilled in the art can
To carry out various changes, modification without departing from the spirit and scope of the present invention to the present invention.If to these modifications of the invention
Within the scope of the claims of the present invention and its equivalent technology with modification, it all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of pumping unit low impact spot starts intelligent locating method, which comprises the following steps:
Step 1: the parameter that setting oil pumping motor drives reaches the pumping of disconnection oil pumping motor power supply behind lower position including sucker rod
The first angle of oily motor rotation, oil pumping motor open the second angle for adding dynamic oil pumping motor rotation, oil pumping electricity after powering off
The audio alert time before machine starting；
Step 2: after master controller receives enabling signal, progress audio alert prompt first, then discharge electric-controlled mechanical brake dress
It sets, then restarts oil pumping motor, sucker rod is driven to move repeatedly up and down；
Step 3: by the motion state of position sensor detection sucker rod, the adjacent time difference detected twice is sucker rod movement week
Phase, and will test signal and be sent to master controller；
Step 4: after master controller receives stop signal, the detection signal received is calculated, it is to be checked to measure oil pumping electricity
When machine rotation reaches first angle, oil pumping motor power supply is disconnected；
Step 5: can be continued to rotate because of machinery inertial after oil pumping motor power-off, the movement shape of position sensor real-time detection sucker rod
State brakes oil pumping motor when oil pumping motor rotation to be detected reaches second angle, stops at its movement to sucker rod
When upper limit position, connects electric-controlled mechanical brake gear and oil pumping motor is carried out to stay dynamic brake, so that sucker rod stops completely.
2. pumping unit low impact spot according to claim 1 starts intelligent locating method, which is characterized in that in step 1, institute
State sucker rod reach lower position after disconnect oil pumping motor power supply refer to sucker rod be in its move lower position and the upper limit
The movement for disconnecting oil pumping motor power supply is executed when any position between position.
3. pumping unit low impact spot according to claim 1 or 2 starts intelligent locating method, which is characterized in that described to open
Dynamic signal and stop signal are provided by other controllers at scene, or by remotely sending start and stop instruction.
4. a kind of positioning device of the pumping unit low impact spot starting intelligent locating method of any one according to claim 1 ~ 3,
It is characterised by comprising:
Position sensor, for detecting the movement position of sucker rod, the adjacent time difference detected twice is sucker rod movement week
Phase；
Master controller, for controlling the start and stop of pumping unit and oil pumping motor, setting oil pumping motor drives parameter, and passes to position
The detection signal of sensor transmission is calculated, and reaches target position in conjunction with first angle and second angle to control sucker rod；
Oil pumping motor, for driving sucker rod to move repeatedly up and down；
Single-phase rectifier unit is transferred to oil pumping motor for the electric current of input to be changed into suitable electric current, to oil pumping motor into
Row braking；
Sound broadcasting device, for alerting the people near pumping unit far from pumping unit；
Electric-controlled mechanical brake gear stays dynamic brake for carrying out to oil pumping motor, sucker rod is made to eventually stop at the upper of its movement
Extreme position.
5. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 4, which is characterized in that
It further include the first power supply and second source, first power supply is master controller power supply, and the second source is single-phase rectifier list
Member power supply.
6. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 4 or 5, feature exist
In the output end of the master controller is formed by interlocking electricity by main oil pumping motor control switch and braking power control switch
Road is separately connected the power input of oil pumping motor and single-phase rectifier unit.
7. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 4 or 5, feature exist
In the single-phase rectifier unit includes AC convertor, transformer and rectification constant flow module, the electricity of the single-phase rectifier unit
Source input terminal is successively electrically connected through AC convertor, transformer and rectification constant flow module with oil pumping motor.
8. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 4 or 5, feature exist
In the master controller is communicated through start stop signal interface and system terminal.
9. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 8, which is characterized in that
The master controller turns RS485 through GPRS DTU remote control module and sends start and stop instruction.
10. the positioning device of pumping unit low impact spot starting intelligent locating method according to claim 4 or 5, feature exist
In the electric-controlled mechanical brake gear includes in movement controller, stays dynamic motor and mechanical braking device, the output end of master controller
It is stayed dynamic switch connection and stays movement controller, dynamic motor is stayed in the output end connection in movement controller, and it is mechanical by control to stay dynamic motor
Brake gear carries out oil pumping motor to stay dynamic brake.
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| US4102394A (en) * | 1977-06-10 | 1978-07-25 | Energy 76, Inc. | Control unit for oil wells |
| CN2679357Y (en) * | 2003-08-22 | 2005-02-16 | 大连隆正光饰机制造有限公司 | Intelligence controlled pumping unit |
| CN201714353U (en) * | 2010-07-10 | 2011-01-19 | 夏大洪 | Electromagnetic soft brake for oil pumping units |
| CN103233721A (en) * | 2013-04-28 | 2013-08-07 | 哈尔滨索菲电气技术有限公司 | Beam pumping machine ground mechanical system dynamic location method and device |
| CN104214247A (en) * | 2014-07-26 | 2014-12-17 | 东北石油大学 | Pumping unit sliding prevention auxiliary brake device with alarming function |
| CN105863572A (en) * | 2016-05-10 | 2016-08-17 | 北京高和华泰节能环保科技有限公司 | Intelligent control system of pumping unit and intelligent oil pumping control method of intelligent control system |
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