Summary of the invention
In view of this, the object of the invention is to propose a kind of well-control blowout prevention device switch valve remote control being applicable to drilling well site, when there is gas blowout accident to solve, field technician can only be relied on merely to make a gesture and to transmit various passes well information, and when surrounding environment influence sight line, cause operational staff to judge by accident and cause closing well not thorough, closing well is delayed, slow, even failed problem.
There is a basic understanding some aspects in order to the embodiment to disclosure, shown below is simple summary.This summarized section is not extensive overview, neither determine key/critical component or describe the protection domain of these embodiments.Its sole purpose presents some concepts by simple form, in this, as the preamble of following detailed description.
Technical scheme is, be applicable to a well-control blowout prevention device switch valve remote control for drilling well site, comprise the ZigBee data transmission module be connected with driller station center host, corresponding diverse location well-control blowout prevention device switch valve from machine, the 2nd ZigBee data transmission module that is connected from machine with described well-control blowout prevention device switch valve; A described ZigBee data transmission module comprises the first data transmission blocks and the first data reception module, described first data transmission blocks is used for sending corresponding control signal according to the button actions of described driller station center host, and described first data reception module is for receiving the valve switch signal sent by described 2nd ZigBee data transmission module; Described well-control blowout prevention device switch valve comprises master controller, solenoid valve module and switch valve state detection module from machine; Described master controller starts described solenoid valve module when being used in working order, and process the described valve switch signal that described switch valve state detection module detects, described solenoid valve module is used for performing corresponding action according to described control signal, and described switch valve state detection module is for monitoring valve switch signal; Described 2nd ZigBee data transmission module comprises the second data transmission blocks and the second data reception module, the control signal that described second data reception module sends for receiving described first data transmission blocks, and notifying described master controller, described second data transmission blocks is for sending the described valve switch signal after by described master controller process.
Wherein, solenoid valve module comprises control relay circuit and two automatically controlled two-position-five-way solenoid valve, and described control relay circuit is used for according to described control signal, controls the charged situation of described two automatically controlled two-position-five-way solenoid valve.
Further, the valve handle axle of described switch valve state detection module and described two automatically controlled two-position-five-way solenoid valve is positioned at same plane, is provided with moved in coaxial iron plate, and posts magnetisable material with the described parallel side of valve handle axle.
Further, described switch valve state detection module comprises Hall-type proximity switch and single-chip microcomputer IO connects
Mouth circuit, described Hall-type proximity switch, for gathering the information of described magnetisable material at moved in coaxial iron plate, sends on-off model, and described single-chip microcomputer I/O interface circuit for receiving described on-off model, and is read in described master controller.
In some optional embodiments, described solenoid valve module performs corresponding action according to described control signal and comprises the unlatching of valve, closedown and stopping.
In some optional embodiments, described switch valve remote control also comprises for described well-control blowout prevention device is opened
Close the temperature adjusting module of valve from machine companion heat.
Wherein, described temperature adjusting module comprises temperature pick up, temperature collection circuit, electric boiling plate and temperature control circuit; Described temperature pick up is for gathering external temperature information, and described temperature collection circuit is used for described temperature information to read in described master controller; Described electric boiling plate is used for providing institute's calorific requirement for circuit board surrounding environment, and described temperature control circuit is for controlling switching on and off of described electric boiling plate.
In some optional embodiments, described switch valve remote control also comprises the power module that whole system provides supply of electric power, the direct current two-way that the alternating voltage of 220V is converted to 24V and 5V by described power module exports, and is respectively sensor and master controller is powered.
Wherein, described power module also comprises backup battery submodule, for during power-off for whole system provides electric power, described backup battery module is lithium battery.
The beneficial effect that the present invention brings: without the need to by external force, according to switch valve handle travel position, stable control source of the gas, switching the break-make of blowhole and venthole controller, effectively reliably ensure that well-control blowout prevention device switch valve is to arriving commitment positions, and, the design of hommization makes the status information of controlled valve can be sent to the computer display interface of driller's operating console in real time, realize the accurate remote control of well-control blowout prevention device switch valve, structure is simple, more intelligent.
In order to above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more embodiment comprises.Explanation below and accompanying drawing describe some illustrative aspects in detail, and its instruction is only some modes in the utilizable various mode of principle of each embodiment.Other benefit and novel features become obvious by considering by reference to the accompanying drawings along with detailed description below, and the disclosed embodiments will comprise all these aspects and theirs is equivalent.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Term used herein " ZigBee " is the low-power consumption territory fidonetFido based on IEEE802.15.4 standard, and the technology specified according to this agreement is the wireless communication technology of a kind of short distance, low-power consumption.
Term used herein " I/O " is the abbreviation of input/output, i.e. input/output port, the function of I/O interface is responsible for realizing central processing unit (CPU, CentralProcessingUnit) by system bus, I/O circuit and ancillary equipment to be linked together.
As shown in Figure 1, be applicable to a well-control blowout prevention device switch valve remote control for drilling well site, comprise the ZigBee data transmission module 102 be connected with driller station center host 101, corresponding diverse location well-control blowout prevention device switch valve from machine 103, the 2nd ZigBee data transmission module 104 that is connected from machine with described well-control blowout prevention device switch valve.
Wherein, a described ZigBee data transmission module 102 comprises the first data transmission blocks 1021 and the first data reception module 1022.During burst blowout situation, by the button actions of described driller station center host 101 relevant position, close corresponding preventer, now a described ZigBee data transmission module 102 sends corresponding control signal according to the button actions of described driller station center host 101.To close log signal, pass log signal distally sends by described first data transmission blocks 1021, multistage route transfer is can be passed through in way, the most at last instruction be sent to assigned address from machine, the well-control blowout prevention device switch valve of namely specifying according to the initial doublet address searching of frame data is from machine 103, by " shaking hands " mechanism, described well-control blowout prevention device switch valve enters duty from machine 103 by armed state, and relay indicating light becomes Chang Liang from extinguishing simultaneously.
Described well-control blowout prevention device switch valve comprises master controller 105, solenoid valve module 106 and switch valve state detection module 107 from machine 103, and described 2nd ZigBee data transmission module 104 comprises the second data transmission blocks 1041 and the second data reception module 1042.
Described master controller 105 can select STC series monolithic, standby at ordinary times, wait for that driller station center host 101 is given an order, when described second data reception module 1042 receives the control signal sent by described first data transmission blocks 1021, as closed log signal, and notify described master controller 105, make described master controller 105 enter duty.Now, described master controller 105 is according to the preventer type of cutting out, and corresponding I/O pin sends low level signal, start described solenoid valve module 106, described solenoid valve module 106 performs corresponding action according to described control signal, such as, for closing log signal, namely carry out closing well action.Meanwhile, described switch valve state detection module 107 starts the status information of Real-time Collection preventer controlled valve, i.e. valve switch signal, and described valve switch signal is sent to described master controller 105.The data flow that described master controller 105 will obtain, i.e. valve switch signal, through judging, recombinating and type conversion, with the form of character array, via Transistor-Transistor Logic level RS 232 circuit, is distally sent by described second data transmission blocks 1041.Multistage route transfer is can be passed through in way, after described first data reception module 1022 Received signal strength, data are sent to the server host computer interface of driller Surveillance center, demonstrate the state of preventer controlled valve intuitively, by configuration software, observe the closing process of valve visual in imagely.
Described driller station center host 101, once receive and reliably close well information, sends the control signal that work stops, and again by " shaking hands " mechanism, make this to return armed state from machine by duty, relay indicating light extinguishes, and wait orders arrival next time.After blowout situation is controlled, the process that drives a well is contrary with closing well process, after driving a well, continues the normal work of drilling well.Configuration software can carry out complete record, preservation and historical data playback to all monitoring informations.
As shown in Fig. 1 to 2, described solenoid valve module 106 comprises control relay circuit 201 and two automatically controlled two-position-five-way solenoid valve 202.Described master controller 105 is according to the preventer type of cutting out, corresponding I/O pin sends low level signal, open described control relay circuit 201, drive corresponding described two automatically controlled two-position-five-way solenoid valve 202 to work, now A end band electricity, B holds dead electricity, open wide blowhole, close venthole, now, compressed air drives valve event by blowhole, valve closing.When driving a well, supporting IO pin sends low level signal, and make described two automatically controlled two-position five-way electromagnetism 202 valve A hold dead electricity, B end band electricity, opens wide venthole, closes blowhole, valve opening.Described solenoid valve module 106 performs corresponding action according to described control signal and comprises the unlatching of valve, closedown and stopping, corresponding closing well, drives a well and stops corresponding actions.
As shown in Figures 1 to 3, the valve handle axle place Plane Installation of described solenoid valve module 106 has described switch valve state detection module 107, and described switch valve state detection module 107 comprises Hall-type proximity switch 301 and single-chip microcomputer I/O interface circuit 302.Install moved in coaxial iron plate with the parallel side of described valve handle axle, and post magnetisable material, three Hall-type proximity switches 301 are installed at iron plate rear, respectively " closing well, drive a well, stop " three positions of corresponding valve.After entering duty, described Hall-type proximity switch 301 starts to gather the information of described magnetisable material at moved in coaxial iron plate, send on-off model, by described single-chip microcomputer I/O interface circuit 302 Real-time Obtaining, described I/O interface circuit 302 adopts 120K resistance to be pulled to high level, with matched sensors internal resistance.When compressed gas-driven valve in blowhole is to " closing well " position, the Hall-type proximity switch 301 afterbody indicator lamp Chang Liang at moved in coaxial iron plate rear, described in juxtaposition, single-chip microcomputer I/O interface circuit 302 corresponding I/O pin is high level, namely described single-chip microcomputer I/O interface circuit receives on-off model, and the on-off model collected is read in described master controller 105.Described master controller 105 sends corresponding information via serial ports, points out valve closing, reliable closing well.Accordingly, when driving a well, in venthole, compressed gas-driven valve is to " driving a well " position, determines to drive a well complete, continues the normal work of drilling well.
In some optional embodiments, as shown in figs. 1 and 4, described switch valve remote control also comprises temperature
Regulation and control module 108.In winter, for ensureing that slave devices normally runs, being furnished with for described well-control blowout prevention device switch valve accompanies hot device from machine 103, when temperature is lower than preset lower limit, can heating device being started.
Wherein, described temperature adjusting module 108 comprises temperature pick up 401, temperature collection circuit 402, electric boiling plate 403 and temperature control circuit 404.Described temperature pick up 401 can select DS18B20 temperature sensor chip Real-time Collection temperature information, and single bus data, by 4.7K pull-up resistor, is read in described master controller 105 by described temperature collection circuit 402 chronologically.Through Data Analysis process, judge that whether temperature value is lower than setting value lower limit, once lower than this numerical value, the corresponding I/O port of described master controller 105 sends low level, opens solid-state relay, starts described temperature control circuit 404.Now, described electric boiling plate 403 accesses 220V alternating current loop, for circuit board surrounding environment provides institute's calorific requirement, guarantees that data acquisition is normal.When temperature acquisition numerical value is prescribed a time limit higher than in setting value, close described temperature control circuit 404, described electric boiling plate 403 disconnects with 220V alternating current, ensures that circuit board ambient temperature is adjustable controlled thus.
In some optional embodiments, as shown in Figure 1, also comprise the power module 109 for supply of electric power, the direct current two-way that the alternating voltage of 220V is converted to 24V and 5V by described power module 109 exports, and is respectively sensor and master controller is powered.Meanwhile, there are 380V alternating current overvoltage protection and short-circuit protection circuit in described power module 109 inside.
In some optional embodiments, as shown in Figure 1, described power module comprises backup battery submodule 110, for during power-off for whole system provides electric power, described backup battery submodule 110 is lithium battery, when 220V alternating current normally accesses, can be standby lithium cell charging, once 220V alternating current disconnects, switch to backup battery in 0 second and power.According to the volume calculation of battery, this system adopts low energy-consumption electronic device to design completely, can run the time of about one week, after switching on power, can continue as lithium cell charging.
The present invention can be arranged on original manual-operated emergent treatment system, and can and deposit, non-interference.After installation, original manual-operated emergent treatment system and native system can play a role simultaneously, ensure absolute safety.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; other are any do not deviate from Spirit Essence of the present invention and principle under the change made; modify; substitute, combination, simplify; all should be the substitute mode of equivalence, all should be included in protection scope of the present invention.