CN101950169A - Pumping unit controller, control method and system - Google Patents
Pumping unit controller, control method and system Download PDFInfo
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- CN101950169A CN101950169A CN2010102722644A CN201010272264A CN101950169A CN 101950169 A CN101950169 A CN 101950169A CN 2010102722644 A CN2010102722644 A CN 2010102722644A CN 201010272264 A CN201010272264 A CN 201010272264A CN 101950169 A CN101950169 A CN 101950169A
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a pumping unit controller, a control method and a system. The pumping unit controller comprises a single chip microcomputer, as well as a sensor signal interface, a remote command interface, a data information transmitting interface and a control interface which are connected with the single chip microcomputer, wherein the control interface consists of a frequency converter control interface; the sensor signal interface is used for receiving sampled signals collected by a sensor and converting analog signals therein into digital signals and transmitting the digital signals; and the single chip microcomputer is used for receiving the digital signals and remote commands transmitted by the remote command interface, generating a control signal or data information according to the digital signals, generating a control signal for controlling the operation state of a frequency converter according to the remote commands, and respectively supplying a frequency conversion control signal and the data information to the frequency converter control interface and the data information transmitting interface. The pumping unit controller can improve the oil production efficiency of a pumping unit and saves the energy source by means of combining automatic control and remote control, and further realizes the remote and real-time monitoring for the operation conditions of equipment.
Description
Technical field
The present invention relates to field of petroleum exploitation, more particularly, relate to pumping unit controller, control method and system.
Background technology
Oil pumper is one of oil production equipment main in the oil exploitation operation, and in China, what generally use is walking-beam pumping unit.
The walking-beam pumping unit chief component comprises horse head, walking beam, linkage assembly, reducer casing and engine, its principle of work is, the power that engine is carried is after speed reduction unit slows down, drive link mechanism, making it drive walking beam swings up and down, thereby can do to-and-fro movement up and down by the fuel feed pump plunger that the poliched rod eye on the horse head drives in the oil well pump, and then the fluid in the oil well can be evacuated to aboveground.
In the actual oil well operation, in the different Development and Production stage of oil well, or according to the difference of the viscosity of fluid in the different oil wells, oil pumper need respectively with the different methods of operation, just can obtain optimum production effect according to different situations.Concrete, need the operation of the high jig frequency of oil pumper the high term at oil well, this be because the fluid in the oil well to enter fuel pump speed fast, high jig frequency can improve the efficient of oil recovery; Enter the later stage of Development and Production when oil well, because water percentage is higher in the fluid, if oil pumper is also with high jig frequency operation, can not obtain higher oil offtake, but, because oil pumper is the high jig frequency method of operation, so engine also is in the high-speed cruising state, the energy resource consumption height, thus the waste of the energy can be caused; At this moment, oil pumper only moves in the mode of long stroke, low jig frequency, just can reach with less energy resource consumption to obtain higher relatively oil offtake, and then realize the saving of the energy.Again such as, in the oil well of exploitation when be viscous crude, reasonably mining type be upstroke comparatively fast and down stroke slower.
At present, in the production run of reality, in order to understand current oil well situation, the scene that needs the testing staff to carry checkout equipment arrival oil well is detected equipment, to gather related data.Because the quantity of oil well is too much, perhaps, be subjected to the not smooth or boisterous influence of hypertelorism, road between some oil well, make also just can't obtain the adjustment foundation of the oil well method of operation when testing staff can't arrive the collection in worksite data of oil well timely.So, can not be in time and easily along with the different situations of oil well, the control oil pumper makes its method of operation adjust to best mode.Thereby reduced produce oil efficient, or, the waste of the energy caused.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of pumping unit controller, control method and system, to realize controlling oil pumper in time and easily, makes its method of operation adjust to best mode.
To achieve these goals, the embodiment of the invention provides following technical scheme:
A kind of pumping unit controller comprises single-chip microcomputer, the sensor signal interface that is connected with described single-chip microcomputer, teleinstruction interface, data message transmission interface and control interface, wherein:
Described control interface comprises the Frequency Converter Control interface that is used to send frequency change control signal;
Described sensor signal interface is used for the sampled signal that receiving sensor collects, and analog signal conversion wherein is digital signal and sends;
Described single-chip microcomputer is used for: receive the teleinstruction that described digital signal and teleinstruction interface send, generate control signal or data message according to described digital signal, carry the control signal that is used for control of conversion device running status according to described teleinstruction generation, and described frequency change control signal and data message are offered described Frequency Converter Control interface and data message transmission interface respectively.
Preferably, in the embodiment of the invention, described sampled signal comprises:
Stroke position signal, DC bus-bar voltage signal, electric energy feedback actuating signal and load force signal.
Preferably, in the embodiment of the invention, also comprise thermostat;
Described thermostat comprises temperature sensor, Air cooler and heating resistor;
Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
Preferably, in the embodiment of the invention, described control interface also comprises the electrical control interface; Described control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets;
Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
Preferably, in the embodiment of the invention, also comprise the local control interface that is used to receive local instruction;
Described single-chip microcomputer also is used for generating control signal according to described local instruction.
Preferably, in the embodiment of the invention, described teleinstruction interface and data message transmission interface adopt RS232, RS485 or network interface mode; Described sensor signal interface, teleinstruction interface, data message transmission interface, Frequency Converter Control interface, local control interface, temperature control interface and single-chip microcomputer are encapsulated as programmable logic controller (PLC) PLC.
A kind of oil pumper control method comprises:
The teleinstruction that digital signal that the sensor-lodging interface sends and teleinstruction interface send, the simulating signal that described sensor signal interface conversion sensor collects obtains described digital signal;
Generate control signal or data message and transmission according to described digital signal, and, generating control signal according to described teleinstruction and also send, described control signal comprises the frequency change control signal that is used for control of conversion device running status.
A kind of oil pumper control system comprises frequency converter, the sensor that also comprises host computer, pumping unit controller and be used for the running state information of each parts of oil pumper is sampled, wherein:
Described host computer is used for: receiving data information is to generate remote control commands;
Pumping unit controller is used for: the running state information that receiving sensor collects, and the analog signal conversion of inciting somebody to action wherein is a digital signal, generate control signal or data message and transmission according to described digital signal, and, generate control signal according to described teleinstruction and also send;
Described control signal comprises the frequency change control signal that is used to control described frequency converter running status.
Preferably, in the embodiment of the invention, also comprise a plurality of A.C. contactors and thermostat;
Described control interface also comprises the electrical control interface; Described control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets;
Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
Described A.C. contactor is located between described frequency converter and the described motor, and in the described motor feed circuit.
Described thermostat comprises temperature sensor, Air cooler and heating resistor;
Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
Preferably, in the embodiment of the invention, also comprise the local control module that is used for sending local instruction to described oil pumping controller; Described pumping unit controller is provided with local control interface.
The mode that automatic control in the embodiment of the invention and Long-distance Control combine not only makes oil pumper can adjust the stroke of oil pumper, jig frequency timely and the speed of up-down stroke is set respectively.Improve the produce oil efficient of oil pumper thus, saved the energy.And, health information by the each side of equipment in a plurality of sensor acquisition oil pumpers, and these information are sent in the host computer, thereby realized long-range, real-time equipment operation condition monitoring, not only can improve the probability of pinpointing the problems in advance, reduced the probability of device damage, and, also can pinpoint the problems timely even break down, thereby can fix a breakdown faster, reduce influence and loss that fault causes production effectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a pumping unit controller structural representation described in the embodiment of the invention;
Fig. 2 is the signal processing synoptic diagram of sensor signal interface in the pumping unit controller described in the embodiment of the invention;
Fig. 3 is the signal processing synoptic diagram of another sensor signal interface in the pumping unit controller described in the embodiment of the invention;
Fig. 4 is the sending controling instruction of pumping unit controller control interface described in an embodiment of the invention synoptic diagram;
Fig. 5 is the another structural representation of pumping unit controller described in the embodiment of the invention;
Fig. 6 is the signal processing of pumping unit controller control interface described in an embodiment of the invention synoptic diagram;
Fig. 7 is an arrangement of temperature sensor synoptic diagram described in the embodiment of the invention;
Fig. 8 is pumping unit controller described in the embodiment of the invention and host computer syndeton synoptic diagram;
Fig. 9 is the another structural representation of pumping unit controller described in the embodiment of the invention;
Figure 10 is encapsulated as the structural representation of PLC for pumping unit controller described in the embodiment of the invention;
Figure 11 is the structural representation of oil pumper control system described in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.As shown in Figure 1, the invention discloses a kind of pumping unit controller, comprise single-chip microcomputer 1, the sensor signal interface 2 that is connected with single-chip microcomputer 1, teleinstruction interface 3, data message transmission interface 4 and control interface 5; Control interface 5 comprises the Frequency Converter Control interface;
Single-chip microcomputer 1: the digital signal that sensor-lodging interface 2 sends and, the teleinstruction that teleinstruction interface 3 sends; The sampled signal that sensor signal interface 2 receiving sensors collect, and the analog signal conversion of inciting somebody to action wherein is a digital signal; Generate control signal or data message according to described digital signal, generate control signal according to described teleinstruction; Described control signal comprises the frequency change control signal that is used for control of conversion device running status; Send frequency change control signal to the Frequency Converter Control interface; Send data-signal to the data message transmission interface.
In embodiments of the present invention, in order in time and flexibly to adjust the method for operation of oil pumper, adopted Long-distance Control and controlled the mode that combines automatically along with the different situations of oil well.Concrete:
At first, by sensor signal interface 2, the sampled signal that receiving sensor is gathered, and the simulation wire size of inciting somebody to action wherein converts digital signal to.The sensor here can comprise the sensor that is used to measure the sensor of stroke position signal and is used to detect motor power (output).In the embodiment of the invention, sensor signal interface 2 can include D/A converter module.Like this, through sensor signal interface 2, the simulating signal that each sensor collected can be converted into digital signal.
Concrete, the signal processing of sensor signal interface can be as shown in Figure 2, and sensor is inverter current signal or frequency converter voltage signal, is sent in the D/A converter module in the sensor signal interface by the linear light lotus root, thereby generates digital signal; Perhaps as shown in Figure 3, sensor is sent to sensor signal interface with the run signal or the frequency converter failure signal of frequency converter by the light lotus root.
Because digital signal can be used as the foundation of adjusting the oil pumper running status as equipment running status data message in the present oil pumper.So, after single-chip microcomputer 1 gets access to digital signal, can generate control signal according to described digital signal, adjusted by the running status of 5 pairs of oil pumpers of control interface then.Thereby realize the automatic control of oil pumper.Such as, when sensor acquisition stroke position signal,, then can obtain the current jig frequency of oil pumper according to horse head in the time interval that arrives same position if be as the criterion with the position signalling of gathering horse head.The program of single-chip microcomputer 1 by being written in advance, can set the maximal value of jig frequency, when jig frequency during greater than maximal value, generation is used for the frequency change control signal of control of conversion device running status, after Frequency Converter Control interface 5 obtains frequency change control signal, send frequency change control signal with the control of conversion device, reduce the jig frequency of oil pumper by the frequency conversion coefficient that changes frequency converter.Thereby make oil pumper be adjusted to predetermined running status automatically.Thereby realized the auto-control of oil pumper.
Concrete, control interface is sent to the process of the equipment of required control with the steering order of single-chip microcomputer can be as shown in Figure 4, generate the given signal of frequency converter frequency behind frequency change control signal process low-pass filtering and the amplifying circuit, thereby the frequency of frequency converter is adjusted into specified frequency.
In embodiments of the present invention,, can also judge that horse head is in upstroke or down stroke, perhaps, obtain the length of stroke by sensor acquisition stroke position signal.
Owing under well liquid viscosity condition with higher, if sucker rod is descended at a slow speed and fast lifting, not only can reach the effect of economize on electricity, and can adjust oil-water ratio effectively, improve output.So, in embodiments of the present invention, the simulating signal of the stroke position signal that sensor obtains, sensor signal interface 2 is a digital signal with analog signal conversion, and with digital data transmission to single-chip microcomputer 1, single-chip microcomputer 1 judges that by digital signal horse head is in upstroke or down stroke, thereby generates the frequency change control signal of control of conversion device running status, makes frequency converter to move with the corresponding frequency conversion coefficient of up-down stroke respectively.Specifically, when horse head was in down stroke, frequency change control signal control of conversion device reduces frequency made the rotating speed of oil pumper slack-off, thereby reduced the downstream rate of horse head; When horse head was in upstroke, frequency change control signal control of conversion device strengthened the faster rotational speed that frequency makes oil pumper, thereby increased speed uplink, thus, had realized that automatic up-down stroke with oil pumper is controlled to be different speed respectively.And then not only saved electric energy, also improved oil offtake.
By obtaining the length of stroke, can judge whether existing length of stroke is consistent with best length of stroke, thereby can be adjusted stroke.
Present technique field personnel should be understood that to obtain the mode of stroke position signal by sensor a lot, have both comprised the positional information by walking beam, positional information that also can be by linkage assembly etc., and these changes can not exceed protection scope of the present invention.
In the embodiment of the invention, single-chip microcomputer 1 can also generate data message according to the digital signal that receives from sensor signal interface 2.Data message can send in the long-range host computer by data message transmission interface 4 as the information of reflection oil pumper equipment running status.By the expert system that is provided with in the host computer, to data message can store, statistics and analysis etc.Thereby can be according to the real-time data of oil pumper equipment, or, service data according to each period of storing is assessed the down-hole situation of equipment and present oil well, and then generates the teleinstruction that corresponding oil pumper is adjusted running status, and instruction is sent to teleinstruction interface 3.After single-chip microcomputer 1 connect and receives teleinstruction via teleinstruction interface 3, the difference according to instruction can generate control signal corresponding, the control corresponding apparatus.
In embodiments of the present invention, described teleinstruction interface and data message transmission interface can adopt RS232, RS485 or network interface mode.
Concrete, as shown in Figure 5, when teleinstruction interface 3 and data message transmission interface 4 can be realized data communication with host computer 7 by being provided with radio communication platform 6.Radio communication platform 6 can also can be a wireless station etc. by the communication port that provides such as common carriers such as GPRS, CDMA.In addition, also can be to realize data communication with host computer 7 by wired connection modes such as telephone wire, netting twine, optical fiber.
In above-mentioned all embodiment, can also be provided with the electrical control interface; Described control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets; Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
By setting the start-stop time point of frequency converter, thereby oil pumper is worked under the time period of setting, the operating frequency set.Thereby realized the flexible control of oil pumper.In addition, by being provided with the frequency converter failure reset signal, can in the frequency converter operation irregularity,, frequency converter fix a breakdown by being carried out reset operation.
Concrete, can be as shown in Figure 6, frequency change control signal is through generating frequency converter start stop signal or frequency converter reset signal behind the relay, thus switch that can the control of conversion device and resetting.
Owing in actual applications, sometimes need the circuit such as equipment such as frequency converter or motor in the oil pumping is implemented to disconnect or be communicated with operation.For this reason, in embodiments of the present invention, pumping unit controller also is provided with the electrical control interface; Transmit control signal by the A.C. contactor in being arranged on the circuit that need carry out make-break operation, thus the break-make of control related circuit.Concrete, can between frequency converter and described motor, be provided with A.C. contactor, thereby can realize switching frequency converter.In addition, can also in described motor feed circuit, be provided with described A.C. contactor, thereby can realize switching motor.
In embodiments of the present invention, described sampled signal can also comprise, DC bus-bar voltage signal, electric energy feedback actuating signal and load force signal.These signals are by pumping unit controller, are sent in the host computer with the form of data message, thereby can monitor the working order of equipment.Wherein, the DC bus-bar voltage signal is used for judgment device and whether surpasses voltage, and electric energy feedback actuating signal is used for judgment device and whether is in regenerative power generation state.The load force signal is used to calculate load-position diagram, and whether the resistance that also is used for judgment device is in normal range.
By overall monitor to equipment in the oil pumper; make when equipment operation unusually or when breaking down; can be timely by by finding with the long-range host computer that is connected of this controller; thereby can do corresponding the adjustment to oil pumper timely, avoid the generation of fault, perhaps; take place can not the fault of long-range eliminating in; can the very first time find fault, thereby can fix a breakdown timely, and then the loss that can reduce fault to greatest extent and caused.
In embodiments of the present invention, similar substantially to the structure of the foregoing description, in addition, also be provided with thermostat; Described thermostat comprises temperature sensor, Air cooler and heating resistor; Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
In embodiments of the present invention, temperature control device can be made up of heating resistor and fan, thereby can heat up to pumping unit controller and pumping unit controller is implemented wind cooling temperature lowering by heating resistor.Thereby guarantee that pumping unit controller can move normally in the environment of severe cold or high temperature.
Illustrated in fig. 7 is in the embodiment of the invention, the composition structure of temperature sensor.By the variation of thermistor resistance in different temperatures, make voltage generation respective change in the circuit, thereby can generate temperature control signals that the control attemperating unit heats up or cooling.
The embodiment of the invention is by being provided with long-range host computer, according to the data message in the pumping unit controller that receives, make that the equipment working state in each oil pumper can be embodied with the form of data message in host computer, thus can make the staff needn't arrive oil wells in field can understand pumping unit of well relevant device ruuning situation and the equipment of oil pumper realized control.And host computer can also be connected with the oil pumper of a plurality of oil wells simultaneously, thereby realizes the centralized management of heavy wool well.And then can in time and easily realize the management and the control of oil well.
In the oil well operation of reality, walking-beam pumping unit can cause the loss of equipment because of the various device fault that takes place, and owing to fault is not got rid of timely and influenced oil offtake.Such as, disconnected the taking off of sucker rod or oil well pump can make the interruption of recovering the oil, thereby ram pump excessive wear, standing valve or travelling valve malfunctioning or cause the severe leakage of fluid to influence oil offtake, in addition, also may be owing to overload is burnt motor, perhaps, owing to the oil well pump dry tap burns packing, and owing to liquid hammer etc. takes place the oil well liquid-supplying deficiency.
At present, for fear of the generation of fault, and find the fault taken place, need the testing staff to carry the scene that checkout equipment arrives oil well equipment is detected.But owing to the not smooth or boisterous influence of hypertelorism, road that is subjected between some oil well, the testing staff can't arrive the scene of oil well timely equipment is detected.Like this, make some fault to avoid, thereby cause the loss and the waste of equipment by Equipment Inspection timely.In addition, some faults that taken place also can't be found timely, thereby have incured loss through delay the time of repairing, and make oil well yield be affected, and then have caused the further expansion of loss.
In addition, at present the testing staff carries checkout equipment and arrives the mode that the scene of oil well is detected equipment, makes that also staff's working time is long, and labour intensity is big.And, owing to need staff's quantity many, thus personnel cost is too high.
The mode that automatic control in the embodiment of the invention and Long-distance Control combine not only makes oil pumper can adjust the stroke of oil pumper, jig frequency timely and the speed of up-down stroke is set respectively.Improve the produce oil efficient of oil pumper thus, saved the energy.And, health information by the each side of equipment in a plurality of sensor acquisition oil pumpers, and these information are sent in the host computer, thereby realized long-range, real-time equipment operation condition monitoring, not only can improve the probability of pinpointing the problems in advance, reduced the probability of device damage, and, also can pinpoint the problems timely even break down, thereby can fix a breakdown faster, reduce influence and loss that fault causes production effectively.
In addition, as shown in Figure 8, in the embodiment of the invention, host computer 7 can connect a plurality of pumping unit controllers 11 of control simultaneously, thereby has realized centralized management, thereby has reduced staff's labour intensity greatly, has improved work efficiency.
As shown in Figure 9, in another embodiment of the present invention, basic structure is to embodiment illustrated in fig. 1 similar, and can also be provided with the local control interface 8 that is used to receive local instruction on this basis; Described single-chip microcomputer 1 also is used for generating control signal according to described local instruction.
Since sometimes also need oil pumper is controlled at the scene of oil well, for this reason, in embodiments of the present invention, also be provided with local control interface 8 for pumping unit controller, can pass through local opertaing device, send local instruction, thereby realize field control oil pumper equipment to single-chip microcomputer 1.
In another embodiment of the present invention, sensor signal interface, teleinstruction interface, data message transmission interface, Frequency Converter Control interface, local control interface, temperature control interface and single-chip microcomputer can be encapsulated as PLC.With with single-chip microcomputer and each interface in the circuit board circuit be connected and compare, be encapsulated as pumping unit controller behind the PLC by integrated each functional module, make that the structure of controller is more simple.And, be encapsulated as job stability and antijamming capability that PLC can also improve controller.
As shown in figure 10, be encapsulated as the pumping unit controller behind the PLC, the function that can finish each interface of pumping unit controller by digital input/output port and the analog input output port of plc.
A kind of oil pumper control method also is provided in the embodiment of the invention, has comprised:
The digital signal that the sensor-lodging interface sends and, the teleinstruction that the teleinstruction interface sends; The sampled signal that described sensor signal interface receiving sensor collects, and the analog signal conversion of inciting somebody to action wherein is a digital signal;
In the present embodiment, use single-chip microcomputer to be connected with each interface as control center, receiving data information or teleinstruction, in the embodiment of the invention, described sensor can be the sensor that obtains the stroke position signal, described sensor is sent to sensor signal interface with the stroke position signal of the simulating signal that collects, and sensor signal interface generates the digital signal of stroke position by analog to digital conversion.After these digital signals are sent in the single-chip microcomputer, carry out logical operation, generate control signal by the single-chip microcomputer internal preset program;
Because digital signal can be used as the foundation of adjusting the oil pumper running status as equipment running status data message in the present oil pumper.So, after single-chip microcomputer gets access to digital signal, can generate control signal according to described digital signal, the state of oil pumper is adjusted.Thereby realize the automatic control of oil pumper.Such as, when sensor acquisition stroke position signal,, then can obtain the current jig frequency of oil pumper according to horse head in the time interval that arrives same position if be as the criterion with the position signalling of gathering horse head.The program of single-chip microcomputer by being written in advance, can set the maximal value of jig frequency, when jig frequency during greater than maximal value, generation is used for the frequency change control signal of control of conversion device running status, after the Frequency Converter Control interface obtains frequency change control signal, send frequency change control signal with the control of conversion device, reduce the jig frequency of oil pumper by the frequency conversion coefficient that changes frequency converter.Thereby make oil pumper be adjusted to predetermined running status automatically.Thereby realized the auto-control of oil pumper.
In embodiments of the present invention, single-chip microcomputer can also be by the instruction of teleinstruction interface receiving remote; Generate control signal according to teleinstruction then; Then by equipment running status in the control interface control oil pumper.
In the embodiment of the invention, teleinstruction can be sent by host computer, and described host computer can be a computing machine that is used to manage concentratedly and control a plurality of oil pumping controllers.Host computer can send teleinstruction by the single-chip microcomputer of various communication modes such as network in each oil pumping controller, or receives the data message that single-chip microcomputer sends by the data message transmission interface; Because digital signal can be used as the foundation of adjusting the oil pumper running status as equipment running status data message in the present oil pumper.So, by the expert system that is provided with in the host computer, to data message can store, statistics and analysis etc.Thereby can be according to the real-time data of oil pumper equipment, or, service data according to each period of storing is assessed the down-hole situation of equipment or present oil well, and then generates the teleinstruction that corresponding oil pumper is adjusted running status, and instruction is sent to the teleinstruction interface.After single-chip microcomputer connect and receives teleinstruction via the teleinstruction interface, the difference according to instruction can generate control signal corresponding, the control corresponding apparatus.Such as, can send frequency change control signal to the Frequency Converter Control interface.
Method in the embodiment of the invention not only makes oil pumper can adjust the stroke of oil pumper, jig frequency timely and the speed of up-down stroke is set respectively.Improve the produce oil efficient of oil pumper thus, saved the energy.And, health information by the each side of equipment in a plurality of sensor acquisition oil pumpers, and these information are sent in the host computer, thereby realized long-range, real-time equipment operation condition monitoring, not only can improve the probability of pinpointing the problems in advance, reduced the probability of device damage, and, also can pinpoint the problems timely even break down, thereby can fix a breakdown faster, reduce influence and loss that fault causes production effectively.
As shown in figure 11, in another embodiment of the present invention, also provide a kind of oil pumper control system, comprise embodiment illustrated in fig. 1 described in pumping unit controller, also comprise: host computer 7, sensor 6 and frequency converter 9; Described host computer 7 is used for generating teleinstruction according to the data message that data message transmission interface 4 sends, and described teleinstruction is sent to teleinstruction interface 4; Described sensor 6 can be respectively applied for and gather real-time stroke position information, motor power (output) signal, DC bus-bar voltage signal, electric energy feedback actuating signal, load force signal and the temperature signal that comprises oil pumper in service for a plurality of; Described frequency converter is used to control the running frequency of motor of oil extractor.
In embodiments of the present invention, a plurality of sensors 6 are by gathering the real-time stroke position information that comprises oil pumper in service respectively, the motor power (output) signal, the DC bus-bar voltage signal, electric energy feedback actuating signal, load force signal and temperature signal etc., by gathering a plurality of equipment running status information in the well on the beam, not only can be for pumping unit controller being provided the more information foundation, and, by with comprehensive equipment running status message pick-up to single-chip microcomputer 1, and then be sent in the host computer 7, thereby make used for oil extractor in remote monitoring by the various device running state information that data message transmission interface 4 will be converted to data message, the data of management and control are according to complete more comprehensively.
In another embodiment of the present invention, basic structure is to embodiment illustrated in fig. 11 similar substantially, and in addition, the invention process also is provided with and also comprises a plurality of A.C. contactors and thermostat;
Control interface also comprises the electrical control interface; Control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets; The electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.A.C. contactor is located between described frequency converter and the described motor, and in the described motor feed circuit.
Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
By setting the start-stop time point of frequency converter, thereby oil pumper is worked under the time period of setting, the operating frequency set.Thereby realized the flexible control of oil pumper.In addition, by being provided with the frequency converter failure reset signal, can in the frequency converter operation irregularity,, frequency converter fix a breakdown by being carried out reset operation.
Described thermostat comprises temperature sensor, Air cooler and heating resistor; Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
In embodiments of the present invention, temperature control device can be made up of heating resistor and fan, thereby can heat up to pumping unit controller and pumping unit controller is implemented wind cooling temperature lowering by heating resistor.Thereby guarantee that pumping unit controller can move normally in the environment of severe cold or high temperature.
Owing in actual applications, sometimes need the circuit such as equipment such as frequency converter or motor in the well on the beam is implemented to disconnect or be communicated with operation.For this reason, in embodiments of the present invention, pumping unit controller also is provided with the electrical control interface; Send electrical control signal by the A.C. contactor in being arranged on the circuit that need carry out make-break operation, thus the break-make of control related circuit.Concrete, can between frequency converter and described motor, be provided with A.C. contactor, thereby can realize switching frequency converter.In addition, can also in described motor feed circuit, be provided with described A.C. contactor, thereby can realize switching motor.
Described pumping unit controller also comprises electrical control interface and the temperature control interface that is connected with single-chip microcomputer; The electrical control interface is used for sending electrical control signal to the A.C. contactor of electric circuit; The temperature control interface is used for sending to temperature controlling instruments the temperature control interface of temperature control signals.Described temperature control device comprises Air cooler and heating resistor; Described A.C. contactor is located between described frequency converter and the described motor, and in the described motor feed circuit.
In another embodiment of the present invention, basic structure is similar to the aforementioned embodiment, and on this basis, can also comprise the local control module that is used for sending to described oil pumping controller local instruction; Described pumping unit controller is provided with local control interface.
Since sometimes also need oil pumper is controlled at the scene of oil well, for this reason, in embodiments of the present invention, also be provided with local control interface for pumping unit controller, can pass through local opertaing device, send local instruction, thereby realize field control oil pumper equipment to single-chip microcomputer.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a pumping unit controller is characterized in that, comprises single-chip microcomputer, the sensor signal interface that is connected with described single-chip microcomputer, teleinstruction interface, data message transmission interface and control interface, wherein:
Described control interface comprises the Frequency Converter Control interface that is used to send frequency change control signal;
Described sensor signal interface is used for the sampled signal that receiving sensor collects, and analog signal conversion wherein is digital signal and sends;
Described single-chip microcomputer is used for: receive the teleinstruction that described digital signal and teleinstruction interface send, generate control signal or data message according to described digital signal, carry the control signal that is used for control of conversion device running status according to described teleinstruction generation, and described frequency change control signal and data message are offered described Frequency Converter Control interface and data message transmission interface respectively.
2. according to the described controller of claim 1, it is characterized in that described sampled signal comprises:
Stroke position signal, DC bus-bar voltage signal, electric energy feedback actuating signal and load force signal.
3. according to the described controller of claim 2, it is characterized in that, also comprise thermostat;
Described thermostat comprises temperature sensor, Air cooler and heating resistor;
Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
4. according to the described controller of claim 3, it is characterized in that described control interface also comprises the electrical control interface; Described control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets;
Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
5. according to the described controller of claim 4, it is characterized in that, also comprise the local control interface that is used to receive local instruction;
Described single-chip microcomputer also is used for generating control signal according to described local instruction.
6. according to the described controller of claim 5, it is characterized in that described teleinstruction interface and data message transmission interface adopt RS232, RS485 or network interface mode; Described sensor signal interface, teleinstruction interface, data message transmission interface, Frequency Converter Control interface, local control interface, temperature control interface and single-chip microcomputer are encapsulated as programmable logic controller (PLC) PLC.
7. an oil pumper control method is characterized in that, comprising:
The teleinstruction that digital signal that the sensor-lodging interface sends and teleinstruction interface send, the simulating signal that described sensor signal interface conversion sensor collects obtains described digital signal;
Generate control signal or data message and transmission according to described digital signal, and, generating control signal according to described teleinstruction and also send, described control signal comprises the frequency change control signal that is used for control of conversion device running status.
8. an oil pumper control system comprises frequency converter, it is characterized in that, the sensor that also comprises host computer, pumping unit controller and be used for the running state information of each parts of oil pumper is sampled, wherein:
Described host computer is used for: receiving data information is to generate remote control commands;
Pumping unit controller is used for: the running state information that receiving sensor collects, and the analog signal conversion of inciting somebody to action wherein is a digital signal, generate control signal or data message and transmission according to described digital signal, and, generate control signal according to described teleinstruction and also send;
Described control signal comprises the frequency change control signal that is used to control described frequency converter running status.
9. described according to Claim 8 control system is characterized in that, also comprises a plurality of A.C. contactors and thermostat;
Described control interface also comprises the electrical control interface; Described control signal comprises the frequency conversion start stop signal that is used for the start and stop of control of conversion device and is used for the frequency converter reset signal that frequency converter resets;
Described electrical control interface is used for sending frequency conversion start stop signal and frequency converter reset signal to the A.C. contactor of electric circuit.
Described A.C. contactor is located between described frequency converter and the described motor, and in the described motor feed circuit.
Described thermostat comprises temperature sensor, Air cooler and heating resistor;
Temperature sensor sends the temperature signal of opening Air cooler or heating resistor at the temperature value of setting.
10. according to the described control system of claim 9, it is characterized in that, also comprise the local control module that is used for sending local instruction to described oil pumping controller; Described pumping unit controller is provided with local control interface.
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| CN2010102722644A CN101950169A (en) | 2010-09-06 | 2010-09-06 | Pumping unit controller, control method and system |
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| CN2010102722644A CN101950169A (en) | 2010-09-06 | 2010-09-06 | Pumping unit controller, control method and system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707704A (en) * | 2012-07-05 | 2012-10-03 | 黑龙江省亚光城市环境艺术工程有限公司 | Intelligent monitoring device of oil extraction unit |
| WO2013020383A1 (en) * | 2011-08-05 | 2013-02-14 | 三一重型装备有限公司 | Remote controller and engineering machinery applying same |
| CN103047102A (en) * | 2013-01-23 | 2013-04-17 | 邵军 | Pumping system |
| CN103924963A (en) * | 2014-04-25 | 2014-07-16 | 北京必创科技有限公司 | Indicator sampling rate automatic switchover method |
| CN104793571A (en) * | 2014-01-16 | 2015-07-22 | 刘国勇 | Method and device for comprehensive oil pumping well measurement and control |
| CN104898580A (en) * | 2014-03-04 | 2015-09-09 | 沈阳中科奥维科技股份有限公司 | Wireless oil pumping unit controller with three-phase electric acquisition |
| CN107491031A (en) * | 2017-09-21 | 2017-12-19 | 张家港全智电子科技有限公司 | Electromotor remote control system |
| CN117411081A (en) * | 2023-10-17 | 2024-01-16 | 东营市丰润通科技发展有限公司 | Green energy consumption control method, device, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916413A (en) * | 2006-09-05 | 2007-02-21 | 西安交通大学 | Energy saving system of networked measuring and controlling pumping units |
| US20070148007A1 (en) * | 2005-11-29 | 2007-06-28 | Unico, Inc. | Estimation and Control of a Resonant Plant Prone to Stick-Slip Behavior |
| CN201393200Y (en) * | 2009-04-16 | 2010-01-27 | 鞍山新和电气有限公司 | GSM controller of variable-frequency speed control system |
| CN201489358U (en) * | 2009-09-09 | 2010-05-26 | 赵吉安 | Intelligent control system device used for oil extractor in oil field |
| CN201548851U (en) * | 2009-11-24 | 2010-08-11 | 大庆恒通电子有限公司 | Remote monitoring device for oil wells |
-
2010
- 2010-09-06 CN CN2010102722644A patent/CN101950169A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070148007A1 (en) * | 2005-11-29 | 2007-06-28 | Unico, Inc. | Estimation and Control of a Resonant Plant Prone to Stick-Slip Behavior |
| CN1916413A (en) * | 2006-09-05 | 2007-02-21 | 西安交通大学 | Energy saving system of networked measuring and controlling pumping units |
| CN201393200Y (en) * | 2009-04-16 | 2010-01-27 | 鞍山新和电气有限公司 | GSM controller of variable-frequency speed control system |
| CN201489358U (en) * | 2009-09-09 | 2010-05-26 | 赵吉安 | Intelligent control system device used for oil extractor in oil field |
| CN201548851U (en) * | 2009-11-24 | 2010-08-11 | 大庆恒通电子有限公司 | Remote monitoring device for oil wells |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013020383A1 (en) * | 2011-08-05 | 2013-02-14 | 三一重型装备有限公司 | Remote controller and engineering machinery applying same |
| CN102707704A (en) * | 2012-07-05 | 2012-10-03 | 黑龙江省亚光城市环境艺术工程有限公司 | Intelligent monitoring device of oil extraction unit |
| CN103047102A (en) * | 2013-01-23 | 2013-04-17 | 邵军 | Pumping system |
| CN103047102B (en) * | 2013-01-23 | 2016-02-03 | 邵军 | A kind of water-raising system |
| CN104793571A (en) * | 2014-01-16 | 2015-07-22 | 刘国勇 | Method and device for comprehensive oil pumping well measurement and control |
| CN104898580A (en) * | 2014-03-04 | 2015-09-09 | 沈阳中科奥维科技股份有限公司 | Wireless oil pumping unit controller with three-phase electric acquisition |
| CN103924963A (en) * | 2014-04-25 | 2014-07-16 | 北京必创科技有限公司 | Indicator sampling rate automatic switchover method |
| CN107491031A (en) * | 2017-09-21 | 2017-12-19 | 张家港全智电子科技有限公司 | Electromotor remote control system |
| CN117411081A (en) * | 2023-10-17 | 2024-01-16 | 东营市丰润通科技发展有限公司 | Green energy consumption control method, device, equipment and storage medium |
| CN117411081B (en) * | 2023-10-17 | 2024-06-07 | 东营市丰润通科技发展有限公司 | Green energy consumption control method, device, equipment and storage medium |
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Application publication date: 20110119 |