CN102678101A - Voltage/current program-controlled display device of logging system - Google Patents
Voltage/current program-controlled display device of logging system Download PDFInfo
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- CN102678101A CN102678101A CN2011100644293A CN201110064429A CN102678101A CN 102678101 A CN102678101 A CN 102678101A CN 2011100644293 A CN2011100644293 A CN 2011100644293A CN 201110064429 A CN201110064429 A CN 201110064429A CN 102678101 A CN102678101 A CN 102678101A
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Abstract
The invention relates to a voltage/current program-controlled display device of a logging system, which comprises a control cabinet of a program-controlled power supply and a voltage regulating device, the control cabinet of a program-controlled power supply is provided with a data acquisition board, a liquid crystal display screen and a master control unit PC104, the liquid crystal display screen is used for displaying the information of the program-controlled power supply, and further carrying out switching between manual voltage regulation and automatic voltage regulation according to the information; the master control unit PC104 carries out interaction with a logging host through the Ethernet, and after receiving command signals sent from the logging host, carries out communication with the program-controlled power supply and the data acquisition board so as to carry out power up control and voltage/current data acquisition, thereby adjusting the amplitude of the output voltage; the analog input end of the program-controlled power supply is directly controlled through a manually-operated knob so as to carry out the manual voltage regulation; and the voltage regulating device is provided with a boosting module for boosting the voltage outputted by the program-controlled power supply and directly outputting the boosted voltage to a logging cable. Through adoption of the structure above, the intelligentization of a power box is realized.
Description
Technical field
The present invention relates to the program control display unit of a kind of logging system electric current and voltage, in more detail, relate to the above ground portion in the geophysical log system, be used for electric current and voltage and boost, control, measure and show.
Background technology
Well logging is through the overall process of reservoir exploration and exploitation; Well-log information is geologic feature and reservoir, the payzone character of understanding oil-gas reservoir; Divide oil, gas, water layer and Water Flooding Layer, oil-water well production is calculating oil and gas reserves or residual recoverable reserves dynamically and the technology status of well; Formulate and the adjustment development plan, take well stimulation, prolongation oil-water well application life and raising recovery ratio etc. that foundation is provided.
For many years, the complete imaging logging equipment of the low and middle-end that China uses relies on external import, at present; The equipment of these purchases is serious aging, presses for update, for example; Imaging at the year ends 2009 equipment has reached 122 covers, and existing 80% import imaging equipment needs further upgrading.In addition, offshore company bottles up high-end logging equipment, and high-end well logging service only is provided, and does not sell high-end logging equipment.In recent years, have only Halliburton Company still to sell the imaging logging equipment of low and middle-end, but product used and the coverage receives strict restriction, can not on the service market, form competition with the manufacturing company of equipment to China.Therefore, the market demand of domestic high-end logging equipment continues to amplify.
Electric power system in the existing logging system above ground portion adopts power supply to be input to step-up transformer, arrives adjustable transformer again, outputs on the logging cable at last.This traditional approach, power-efficient is low, adopts the simulation manual control mode, and equipment volume is big, and weight is big, is unfavorable for the miniaturization and the modularization of system.
Summary of the invention
The present invention is based on the problem points that exists in the above-mentioned prior art and proposes; Its purpose is to provide a kind of logging system electric current and voltage program control display unit; Can on display interface, demonstrate information such as voltage and current that the user is concerned about, frequency, and can cooperate other hardware device to realize the reliable protection function.
One aspect of the present invention relates to a kind of control cabinet of logging system programmable power supply; Output power to programmable power supply is controlled; Comprise: liquid crystal touch screen, master control set PC104 and data acquisition board; Wherein said data acquisition board comprises signal transducer, single-chip microcomputer, electric current and voltage sensor, and communicates through serial ports COM4 and master control set PC104; The information of said screen displaying programmable power supply, and carry out manually the selection switching regulated with automatic voltage according to this information; Said master control set PC104 carries out alternately through Ethernet and well logging main frame; Communicate with said programmable power supply and said data acquisition board after the command signal of reception from the well logging main frame; Adding the data acquisition of electric control and electric current and voltage, thus the adjustment output voltage amplitude; Through manually operated knob directly the analog input of the said programmable power supply of control bring in and carry out said manual voltage-regulation.
In the control cabinet of above-mentioned logging system programmable power supply, said liquid crystal touch screen is equipped with embedded X P, to carry out man-machine interaction.
In the control cabinet of above-mentioned logging system programmable power supply, said liquid crystal touch screen shows below information, and this information comprises: the state of said programmable power supply, electric current and voltage information, pressure are provided with the logger information before protection voltage and current information, the well logging.
In the control cabinet of above-mentioned logging system programmable power supply, said programmable power supply comprises 2 tunnel AC powers and No. 1 dc source; Every road AC power has a program control relay switch, and the control instruction that receives the well logging main frame powers up and close the control of electricity.
Another aspect of the present invention relates to the program control display unit of a kind of logging system electric current and voltage, comprising: the control cabinet of aforesaid programmable power supply; And voltage adjusting device, have boost module, the voltage of said programmable power supply output is boosted and directly outputs on the logging cable.
In the program control display unit of above-mentioned logging system electric current and voltage, the output of the main alternation depressor of said boost module is divided into two groups, and every group has 1/3 tap, 1/2 tap and 2/3 tap, and auxilliary alternation depressor is output as one group, has 1/2 tap.
In the program control display unit of above-mentioned logging system electric current and voltage, the main alternation depressor of said boost module is connected in parallel, and step-up ratio is 250:700, and power is 600W, and operating frequency is 50～400Hz; The auxilliary alternation depressor of said boost module is connected in series, and step-up ratio is 250:350, and power is 1200W, and operating frequency is 50～400Hz.
The invention effect
The present invention has realized the intellectuality of power supply box, through the touch operation of giant-screen through adopting said structure; Be provided for convenient man-machine interaction intuitively; Directly control the analog input end of programmable power supply (elgar power supply) through being easy to manually operated knob, can realize the direct control of programmable power supply output need not as in the past; Need on power supply box, carry out complicated button operation, it has more operability.
Description of drawings
Fig. 1 illustrates the structure chart of the program control display unit of logging system electric current and voltage of the present invention.
The specific embodiment
The program control display unit of this electric current and voltage is the ac voltage power supply case that the confession logger system-specific of one was measured and controlled to collection.Shown in accompanying drawing 1, the program control display unit of logging system electric current and voltage of the present invention comprises: control cabinet and programmable power supply, and this control cabinet has: according to the difference of service item, show the touch-screen at different interfaces; Touch screen controller; Inverter; Carry out adding the master control set PC104 of the data acquisition of electric control and electric current and voltage alternately through Ethernet and well logging main frame; And data acquisition board, comprise signal transducer, single-chip microcomputer, electric current and voltage sensor etc., communicate through serial ports COM4 and master control set PC104.
In this embodiment, constitute display unit by embedded hardware system and touch-screen, wherein system adopts XPE operating system, with all being transplanted in the hardware system with showing about the algorithm of power supply at present, realizes centralized Control.Its advantage is that hardware reliability is high, is not easy to crash, working procedure is few, the nervous situation of resource can not occur.In the past, show and adopt charactron to carry out usually that display interface was more single, different service items can't be taken into account simultaneously.And used touch-screen in the control cabinet of the present invention, can show different interfaces according to the difference of service item; Especially solved the main frame shortcoming of display power supply information for a long time; Because the touch-screen self characteristics has reduced the design of hardware button, has simplified the power supply box design.
In this embodiment, the demonstration of master control set PC104 is realized that by one 6.4 cun liquid crystal display it can show the main down-hole cable end voltage and current of handing over; Auxilliary ground voltage and the electric current handed over, operating frequency, protection voltage; Protective current; Power Supply Monitoring information such as protection power etc., the order of above-mentioned Power Supply Monitoring information and well logging main frame through Ethernet with carrying out exchanges data through this master control set PC104, this master control set PC104 in real time with data acquisition board in single-chip microcomputer communicate through RS232.
In this embodiment, owing to be provided with touch-screen,, be provided for convenient man-machine interaction intuitively through the touch operation of giant-screen, realized the intellectuality of power supply box.Wherein, System is realized by two parts; Good man computer interface and extraneous ability to communicate are by Implementation of Embedded System, and the break-make of the power supply of bottom, permission, measurement, relay switch, the bottom hardware support of cable measurement automatically, by the high chip microcontroller of reliability.Embedded system is selected embedded X P for use, is easy to programming, makes things convenient for INTERFACE DESIGN and algorithm to transplant.In addition, manual function realizes manual voltage-regulation function by the knob that is easy to control, and this knob is directly controlled the analog input end of programmable power supply, can realize the direct control to programmable power supply output, gets rid of all and uses the button operation on the programmable power supply case.
Before the well logging beginning; After the well logging engineer starts power supply box and well logging PC; The well logging engineer starts the well logging that is positioned on the PC and powers up program; PC will send order to the master control set PC104 on the power supply box through Ethernet, and master control set PC104 will carry out communication adds electric control and electric current and voltage with completion data acquisition with the microprocessor on the data acquisition board in programmable power supply and the control cabinet after receiving order.The voltage of programmable power supply output after the step-up transformer in the process power supply box boosts, directly outputs on the logging cable; Reduced the adjustable transformer link, promoted efficient, in addition; Through the control of the master control set PC104 in control cabinet programmable power supply, reach the purpose of adjustment output voltage amplitude.
In this embodiment; The power of main friendship step-up transformer is 600 watts; The power of auxilliary friendship step-up transformer is 800 ~ 1000 watts; Programmable power supply comprises programmable power supply and 1 dc source of 2 1000 watts, at master control set PC104 operation general switching software, supports independent program control and program control through Ethernet interface.When measuring Leap800 system and Excell2000 system, all be by PSP control power supply.Dc source is through network control, and its output switches to perforation through the cable core distribution and gets core, production logging or power supply box.
Through the program control display unit of this electric current and voltage; Realize the needed power management function of all well logging service items; Comprise 2 tunnel AC powers and No. 1 dc source; Thereby can realize the automation of downhole instrument power supply, comprise: measure automatically cable length, protection voltage and current according to the instrument string regulate automatically, manually and automatic power can select through big touch-screen.In addition, carry out alternately with the well logging main frame through Ethernet, feed back current power supply state, electric current and voltage situation, force to be provided with the protection voltage and current, in the current logger string information of prerequisite power supply source system etc. of logging well.
Moreover the structure of the casing circuit module of this device is following:
1. boost module
(1) surface power supply power analysis
Main alternating current is pressed, and the down-hole cable end needs 250V/60hz, calculates according to transmission mode; Be no more than under the situation of 2A, cable loss is no more than 300V, thus; Ground voltage can not surpass 550V; Electric current is less than 1A in actual the use, and ground voltage is exported less than 400V, so the main power of handing over depressor is less than 400W.
Auxilliary alternating current is pressed, and when using the RFT instrument, has maximum power input.
Peak value down-hole voltage can reach 400V/1.6A, and ground voltage can reach 400+1.6 * 153.3=645V, and its peak power is less than 1200W.
(2) transformer device structure
Main alternation depressor output is divided into two groups, and every group has 1/3 tap, 1/2 tap, 2/3 tap.Auxilliary alternation depressor is output as one group, has 1/2 tap.
The main friendship: parallel connection is used
● step-up ratio 250:700
● power, 600W
● operating frequency 50～400HZ
The auxilliary friendship: series connection is used
● step-up ratio 250:350
● power, 600W * 2
● operating frequency 50～400HZ
(3) function
1. realize the boost function of LEAP800 master's power supply, will import power source voltage and adjust to 700V that power is 600W from 250V.
2. realize the demand of boosting of LEAP800 auxiliary power supply, will import power source voltage and adjust to 700V that power is 1200W from 250V.
3. main hand over and auxilliary friendship all has manual function of supplying power, manually realization is brought in the power supply simulation control of adjusting programmable power supply by potentiometer, and manually or selection automatically can select through the log well push-botton operation of software of ground.
(4) security control
Every road AC power has a programme controlled relay switch, and this relay switch is controlled by the cable order that powers up, closes of ground well logging software; Ground well logging software will power up, close the electricity order and send to the master control set PC104 in the control cabinet through local area ethernet, and master control set PC104 is transmitted to MCU with this order again, the conducting and the shutoff that come control relay by MCU at last.
2. voltage and current measurement
Through the alternating voltage summation current transformer; Conversion is carried out in main friendship and the auxilliary signal of handing over; Control 16 AD then through MCU; Voltage and current after power supply boosted carries out the high speed AC sampling, will lead to hand over the auxilliary frequency component of handing over through the MCU software algorithm then and separate, and obtains effective voltage and current.
In addition, this device has adopted following software:
Logging system power supply software by the MCU firmware of being responsible for data acquisition in the control cabinet, be responsible for control and show with the PC104 power supply software of communication and module three parts that power up in the ground well logging software and form.
1.MCU firmware
The data acquisition circuit plate be used for to main hand over, auxilliary alternating current source manually powers up signals such as voltage-regulation knob signal, down-hole cable end voltage and gathers and handle, and the collection of data acquisition circuit plate and handle after signal be sent to the PC104 flush bonding module through serial ports and supply to show and control.
2.PC104 software
The PC104 flush bonding module is applied in the power supply box as an outsourcing part, and the XPE system of Microsoft of a scaled-down version is installed, and powers up running software on it, and it mainly accomplishes demonstration, control and communication function;
Communicate through serial ports COM4 and data acquisition circuit plate; Obtain to it and main to hand over, the voltage of auxilliary alternating current source output, current value, down-hole cable end magnitude of voltage, manually power up the information such as state of adjusting knob output valve and relay; Simultaneously, hand over, assist the output in alternating current source to the order of MCU sending filter break-make to permit the master through this serial ports;
Through COM1 and the main programmable power supply panel of handing over, communicate with the auxilliary programmable power supply panel of handing over through COM2, programmable power supply is carried out the parameter setting and data read;
Communicate through Ethernet interface and ground well logging computer, receive the power off command that powers up of ground well logging computer, power supply parameter and state are sent to ground well logging computer;
The present invention adopts said structure, can realize following technique effect:
Realize the boost function of main power supply, will import power source voltage and adjust to 550V, thereby satisfy the power demands of downhole instrument from 250V;
Realize the demand of boosting of auxiliary power supply, will import power source voltage and adjust to 600V from 250V;
The power of main power supply reaches 1000W, and maximum can be exported the 1.9A electric current;
The power of auxiliary power supply reaches 1000W, and maximum reaches the electric current of 1.5A;
Main power supply and auxiliary power supply have multiple-pole switch control, comprise hand switch, relay switch;
Have accurate measuring system, can measure main the friendship and the auxilliary voltage and current situation of handing over after boosting, can measure the auxilliary frequency of handing over simultaneously, be used to distinguish main the friendship and the auxilliary frequency of handing over;
Function (elgar voltage) with the main friendship of programme-control and input power supply;
Have the manual adjustment master and hand over and assist the function of handing over;
Have good interface information, can show measured voltage and current conditions;
Have the good man-machine interaction ability, be convenient to be used to check.
The above is merely exemplary embodiment of the present invention, rather than is used to limit protection scope of the present invention, and protection scope of the present invention is as the criterion with the protection domain of claims.
Claims (10)
1. the control cabinet of a logging system programmable power supply is controlled the output power of programmable power supply, it is characterized in that,
Comprise: liquid crystal touch screen, master control set PC104 and data acquisition board, wherein
Said data acquisition board comprises signal transducer, single-chip microcomputer, electric current and voltage sensor, and communicates through serial ports COM4 and master control set PC104;
Said liquid crystal touch screen shows the information of programmable power supply, switches according to the selection that this information is carried out manually and automatic voltage is regulated;
Said master control set PC104 carries out alternately through Ethernet and well logging main frame; Communicate with said programmable power supply and said data acquisition board after the command signal of reception from the well logging main frame; Adding the data acquisition of electric control and electric current and voltage, thus the adjustment output voltage amplitude;
Through manually operated knob directly the analog input of the said programmable power supply of control bring in and carry out said manual voltage-regulation.
2. the control cabinet of logging system programmable power supply as claimed in claim 1 is characterized in that,
Said liquid crystal touch screen is equipped with embedded X P, to carry out man-machine interaction.
3. according to claim 1 or claim 2 the control cabinet of logging system programmable power supply is characterized in that,
Said liquid crystal touch screen shows below information, and this information comprises: the state of said programmable power supply, electric current and voltage information, pressure are provided with the logger information before protection voltage and current information, the well logging.
4. according to claim 1 or claim 2 the control cabinet of logging system programmable power supply is characterized in that,
Said programmable power supply comprises 2 tunnel AC powers and No. 1 dc source.
5. the control cabinet of logging system programmable power supply as claimed in claim 4 is characterized in that,
Every road AC power has a program control relay switch, and the control instruction that receives the well logging main frame powers up and close the control of electricity.
6. the program control display unit of logging system electric current and voltage is characterized in that, comprising:
Control cabinet like the described logging system programmable power supply of claim 1～5; With
Voltage adjusting device has boost module, and the voltage of said programmable power supply output is boosted and directly outputs on the logging cable.
7. the program control display unit of logging system electric current and voltage as claimed in claim 6 is characterized in that,
The output of the main alternation depressor of said boost module is divided into two groups, and every group has 1/3 tap, 1/2 tap and 2/3 tap, and auxilliary alternation depressor is output as one group, has 1/2 tap.
8. the program control display unit of logging system electric current and voltage as claimed in claim 6 is characterized in that,
The main alternation depressor of said boost module is connected in parallel, and step-up ratio is 250:700, and power is 600W, and operating frequency is 50～400Hz;
The auxilliary alternation depressor of said boost module is connected in series, and step-up ratio is 250:350, and power is 1200W, and operating frequency is 50～400Hz.
9. like any program control display unit of described logging system electric current and voltage in the claim 6～8, it is characterized in that,
Said master control set PC104 and single-chip microcomputer carry out real-time Communication for Power through RS232.
10. a logging system electric supply installation is characterized in that, comprising:
Power up module;
The master control set supply module is used to accomplish demonstration, the control of master control set and communicates by letter; With
The MCU module is carried out data acquisition and is sent to master control set to show and to control.
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| CN201110064429.3A CN102678101B (en) | 2011-03-17 | 2011-03-17 | Voltage/current program-controlled display device of logging system |
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| CN201110064429.3A CN102678101B (en) | 2011-03-17 | 2011-03-17 | Voltage/current program-controlled display device of logging system |
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