CN2658758Y - Automatic detecting device for comprehensive well log instrument - Google Patents
Automatic detecting device for comprehensive well log instrument Download PDFInfo
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- CN2658758Y CN2658758Y CN 03265560 CN03265560U CN2658758Y CN 2658758 Y CN2658758 Y CN 2658758Y CN 03265560 CN03265560 CN 03265560 CN 03265560 U CN03265560 U CN 03265560U CN 2658758 Y CN2658758 Y CN 2658758Y
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Abstract
The utility model relates to an automatic detection device for a compound logging meter, mainly resolves the problem that the compound logging meter can not be automatically detected for the signal processing course, and is characterized in that the automatic detection device is provided with a CPU, a signal source generator and a signal receiver. The analog signals, which are emitted by the signal source generator, of the sensor of the geographic logging meter are input in tested compound logging meter under the control of the CPU. The measurement signals output by the tested compound logging meter are received by the signal receiver, and sent to the CPU for the comparison with the analog signals of the sensor of the compound logging meter. The utility model closes the history that the processing course of the signals of the compound logging meter is detected without an automatic diction device; and has the advantages of a quick detection and a precise performance; also can be widely used in the field of detecting the compound logging instrument.
Description
Technical field:
The utility model relates to a kind of comprehensive logging instrument automatic detection device that is used to detect the comprehensive logging instrument signal processing.
Background technology:
Comprehensive logging instrument is a kind of special professional surveying instrument, effects such as drilling well monitoring, oil and gas resource evaluation, formation evaluation when it brings into play really in the oil gas drilling process, therefore comprehensive logging instrument must detect before manufacturing is dispatched from the factory, and in use must carry out periodic check to guarantee the accuracy of its measurement.At present, do not have complete logging equipment pick-up unit both at home and abroad, generally the way of Cai Yonging is that instrument is carried out the part calibrating, as partly utilizing the calibrating gas sample to examine and determine to the chromatograph in the comprehensive logging instrument, the simple calibration equipment calibrating of Sensor section utilization, and to the still planless pick-up unit of the correctness of signal processing in the comprehensive logging instrument.
The utility model content:
In order to solve this problem that prior art can't automatically detect signal processing in the comprehensive logging instrument, the invention provides a kind of automatic detection device that is used to detect the comprehensive logging instrument signal processing, this kind pick-up unit has the characteristics of detection systemization, robotization.
The technical solution of the utility model is: a kind of automatic detection device that is used to detect compound logging instrument signal processing, comprise: signal source generator, signal receiver, central controller, output device, described central controller has CPU, and this CPU is programmed;
Described signal source generator is made of current signal source generator, voltage signal source generator, single pulse signal source generator, dipulse signal source generator;
Under the control of described central controller, import detected comprehensive logging instrument by the geological logging Instrument sensor simulating signal that described signal source generator sent, described signal receiver receives the measuring-signal by tested comprehensive logging instrument output, and this measuring-signal is transferred into described central controller and described geological logging Instrument sensor simulating signal compares.
Described comprehensive logging instrument automatic detection device is characterized in that described central controller comprises digital-to-analog amount transition card, pulse generation/numbered card.
Described automatic detection device as shown in Figure 2, its current signal source generator comprises precision operational-amplifier IC1, isolated gate FET T1-1, transistor T1-2, resistance R 1, the normal phase input end of described operational amplifier is connected in the voltage output end of described digital-to-analog amount transition card by resistance, the inverting input of described operational amplifier is connected in the emitter of described transistor, the source electrode of described isolated gate FET is connected in the output terminal of described operational amplifier, the grid of described isolated gate FET is connected in the base stage of described transistor, the drain electrode of described isolated gate FET is connected with the collector of described transistor, the analog voltage signal of the digital signal that described central controller sends output after described digital-to-analog amount transition card conversion is through described precision operational-amplifier, isolated gate FET, the transistor conversion is followed, by producing current signal output after the described resistance feedback.
Described automatic detection device its voltage signal source generator as shown in Figure 3 comprises divider resistance RP2, protective resistance, operational amplifier IC2, is directly exported by described operational amplifier after the described divider resistance dividing potential drop of analog voltage signal process of output after the described digital-to-analog amount transition card conversion by the digital signal that described central controller sends.
Described automatic detection device its single pulse signal source generator as shown in Figure 4 comprises reverser IC3, optocoupler PH3, by the pulse signal of described pulse generation/numbered card output after described operational amplifier carries out level conversion and power amplification, drive optocoupler, optocoupler output is exported as the single pulse signal source.
Described automatic detection device its dipulse signal source generator as shown in Figure 5 comprises d type flip flop IC4-1, d type flip flop IC4-2 reverser IC4-3, reverser IC4-4, reverser IC4-5, optocoupler PH4-1, optocoupler PH4-2, by the pulse signal of described pulse generation/numbered card output through reverser IC4-3, the inverse output terminal output back of reverser IC4-4 is as the clock signal of described d type flip flop IC4-1, this pulse signal is imported as the clock signal of described d type flip flop IC4-2 through the inverse output terminal output back of reverser IC4-5 simultaneously, the reset terminal R4-2 short circuit of the reset terminal R4-1 of described d type flip flop IC4-1 and described d type flip flop IC4-2, the input end D4-1 of described d type flip flop IC4-1 links to each other with its inverse output terminal Q4-1F, the forward output terminal Q4-1 of described d type flip flop IC4-1 will latch the input end D4-2 that the pulse signal of exporting the back is delivered to described optocoupler PH4-1 and described d type flip flop IC4-2 respectively, the forward output terminal Q4-2 of described d type flip flop IC4-1 will latch the pulse signal of exporting the back by described d type flip flop IC4-2 and be sent to described optocoupler PH4-2, the inverse output terminal Q4-2F of described d type flip flop IC4-2 is unsettled, described d type flip flop IC4-1, its set end of IC4-2 S4-1, set end S4-2 all is connected to earth potential.Described d type flip flop IC4-1, IC4-2 constitute 2 frequency dividing circuits, because the effect of phase inverter, two d type flip flops trigger different constantly, described d type flip flop IC4-1 is triggered by the monopulse rising edge, described d type flip flop IC4-2 is triggered by the monopulse negative edge, and two photodiodes of described optocoupler PH4-1, optocoupler PH4-2 are respectively as the output terminal of two-way pulse.
The utlity model has following beneficial effect: the automatic detection device involved in the present invention compound logging instrument signal processing that is through with does not have the history of automatic detection device, it both can detect the logging equipment that newly dispatches from the factory, and guaranteed that the precision of logging equipment satisfies field requirement; Can provide standard signal with maintenance before boring and maintenance, the hidden danger of fixing a breakdown of in time pinpointing the problems again for the compound logging instrument in using.
Description of drawings:
Accompanying drawing 1 is that device of the present utility model constitutes synoptic diagram;
Accompanying drawing 2 is current signal source circuit schematic diagrams of the present utility model;
Accompanying drawing 3 is voltage signal source circuit schematic diagrams of the present utility model;
Accompanying drawing 4 is single pulse signal source circuit schematic diagrams of the present utility model;
Accompanying drawing 5 is dipulse signal source circuit schematic diagrams of the present utility model;
Accompanying drawing 6 is configuration bus figure of the present utility model;
Accompanying drawing 7 is dipulse design oscillograms of the present utility model.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
The comprehensive logging instrument automatic detection device is that the Intellectualized metering that can finish signal imitation, test control and error testing result output automatically detects verification system.This device is made up of the central controller with CPU, signal source generating circuit, signal receiving circuit, output device etc. as shown in FIG., and the overall system block diagram as shown in Figure 1.Wherein, the central controller with CPU is mainly finished signal generation, Data Receiving, data analysis, function such as output test result.This central controller has added digital-to-analog transition card, pulse generation/numbered card, I/O control card, network card etc. again under the situation of basic configuration; Signal source circuit is made up of electric current, voltage, pulsing circuit and gating circuit; Signal receiving circuit is made up of network interface card and hub; Output device can be made up of the Epson color inkjet printer, finishes the output of examining report and detection data.The detailed structure bus is seen shown in Figure 6.
In order to make the accurately signal that produced of analog synthesis well logging instrument sensor of the technical program, at first to comprehensive logging instrument electric current, voltage interface signal, comprise sensor, isolator, carried out detail analysis, and isolator has been carried out relevant Function detection.
It is the ABSORPTION CURRENT source that the explanation of current signal testing result, current signal source require, and current value range is 0mA～20mA, and therefore 0～20mA signal source is designed to absorption constant current source, to simulate its corresponding sensor-signal.
As shown in Figure 2, control voltage by the output of digital-to-analog transition card is followed through accurate amplifier IC1, isolated gate FET T1-1, triode T1-2 conversion, after resistance R 1 feedback, the voltage signal of digital-to-analog transition card output is become current signal output, and this current signal is an ABSORPTION CURRENT.Because isolated gate FET T1-1 is a voltage controlled element, its drive current is zero substantially.By fine setting to resistance R 1 resistance, can finely tune output current, resistance R 1 can be chosen 250 Ω precision resistances.
The voltage signal source circuit schematic diagram as shown in Figure 3.The analog quantity voltage signal that the digital-to-analog transition card is exported is directly exported by operational amplifier IC2 power amplification through bleeder circuit, can change output voltage values by regulating adjustable resistance RP2.Resistance R 2-1, resistance R 2-2, resistance R 2-3 are for preventing that output short-circuit from causing amplifier to damage and being provided with.
Because pulse transducer is a passive device, its pulse is the ABSORPTION CURRENT form, so pulse signal output is designed to the triode output form.In addition, be independent of each other, adopt optocoupler to isolate in order to make each road pulse signal.Single pulse signal forms circuit as shown in Figure 4.Certainly the output terminal at pulse generation/numbered card is equipped with the prefix operation amplifier with power amplification function, after this, through the pulse signal of being exported by pulse generation/numbered card of processing and amplifying after reverser IC3 finishes level conversion, drive optocoupler PH3, the signal that the photodiode of optocoupler PH3 is exported is exported as the single pulse signal source.
Drawworks sensor is output as the ABSORPTION CURRENT pulse signal.When the drawworks sensor forward rotation, pulse A prepulsing B as shown in Figure 7.Dipulse/power pack output current increase is that pulsed frequency increases the increase of advancing the speed of its output current, and output current returns zero after being increased to maximal value by setting value again, then increases again.Its setting value is determined by toggle switch.When the drawworks sensor backward rotation, pulse A hysteresis pulse B.The transducer output current reduces, and along with pulsed frequency increases, its output current reduces speed and increases, and gets back to maximal value after setting value is reduced to zero, and its setting value is determined by toggle switch equally.The above analysis can draw as drawing a conclusion, and when pulse A prepulsing B, output current increases; Otherwise output current reduces.Output current increases or reduces speed and becomes with pulsed frequency.
Dipulse signal source circuit schematic diagram of the present utility model as shown in Figure 5, frequency can be set, and can to simulate that drawworks sensor rotates and reverse be pulse A prepulsing B or hysteresis pulse B.For simplifying programing work and guaranteeing that the dipulse phase place is consistent, adopt monopulse 2 frequency divisions to produce two pulse signals.D type flip flop IC4-1, d type flip flop IC4-2, reverser IC4-3, reverser IC4-4, reverser IC4-5 constitutes 2 frequency dividing circuits, the single pulse signal of pulse generation/numbered card output is as the triggering clock signal of d type flip flop, because the effect of phase inverter, it is different constantly to make two d type flip flops trigger, d type flip flop IC4-1 is triggered by the monopulse rising edge, d type flip flop IC4-2 is triggered by the monopulse negative edge, it is for guaranteeing that pulse waveform that pulse that d type flip flop IC4-2 produces and d type flip flop IC4-1 produce is identical and lag behind the pulse of IC4-1 generation all the time, promptly guaranteeing pulse A prepulsing B all the time as shown in Figure 7 that the forward output terminal Q4-1 of d type flip flop IC4-1 and the data input pin D4-2 of d type flip flop IC4-2 link to each other.LED 1, LED2 be marker pulse A, pulse B pulse condition respectively.
All output signals of the present utility model all by central controller output, finish by the aviation plug-in unit by the output line of detection system, and the signal that detection system receives logging equipment is to finish by the HUB card.
Analog current signal and analog pulse signal are connected to terminal box by cable, are received the interface input end of comprehensive logging instrument again by terminal box.Voltage signal is connected to corresponding terminal box by cable, is connected to corresponding measured position by this terminal box.Expansion interface links to each other with the current expansion plate by signal wire.
The concrete course of work of the present utility model is: various signal source generators carry out work according to the steering order that is pre-stored in the instruction among the CPU and comes from operating personnel under the effect of central controller, produce the analog sensor voltage signal according to setting, the analog sensor current signal, the monopulse current signal, the dipulse current signal is the drawworks sensor signal, after this above-mentioned various signals selectively are sent to the sensor signal input end of tested compound logging instrument as test signal under the effect of central controller, this signal is measured numerical signal through handling the back generation automatically in tested compound logging instrument, after this measurement numerical signal is had the signal receiver reception of mould/number conversion function, received by central controller of the present utility model by the HUB card, compare in this measurement numerical value under the effect of CPU and the actual corresponding analog signal amount that produces by signal source generation circuit afterwards and export by input equipment after drawing error result.
Claims (6)
1, a kind of comprehensive logging instrument automatic detection device comprises signal source generator, signal receiver, central controller, output device, it is characterized in that:
Described central controller has CPU, and this CPU is programmed;
Described signal source generator is made of current signal source generator, voltage signal source generator, single pulse signal source generator, dipulse signal source generator;
Under the control of described central controller, import detected comprehensive logging instrument by the geological logging Instrument sensor simulating signal that described signal source generator sent, described signal receiver receives the measuring-signal by tested comprehensive logging instrument output, and this measuring-signal is transferred into described central controller and described geological logging Instrument sensor simulating signal compares.
2, comprehensive logging instrument automatic detection device according to claim 1 is characterized in that described central controller comprises digital-to-analog amount transition card, pulse generation/numbered card.
3, comprehensive logging instrument automatic detection device according to claim 2, it is characterized in that: described current signal source generator comprises precision operational-amplifier (IC1), isolated gate FET (T1-1), transistor (T1-2), resistance, the normal phase input end of described operational amplifier is connected in the voltage output end of described digital-to-analog amount transition card by resistance, the inverting input of described operational amplifier is connected in the emitter of described transistor, the source electrode of described isolated gate FET is connected in the output terminal of described operational amplifier, the grid of described isolated gate FET is connected in the base stage of described transistor, the drain electrode of described isolated gate FET is connected with the collector of described transistor, the analog voltage signal of the digital signal that described central controller sends output after described digital-to-analog amount transition card conversion is through described precision operational-amplifier, isolated gate FET, the transistor conversion is followed, by producing current signal output after the described resistance feedback.
4, comprehensive logging instrument automatic detection device according to claim 3; it is characterized in that: described voltage signal source generator comprises divider resistance (RP2), protective resistance, operational amplifier (IC2), is directly exported by described operational amplifier after the described divider resistance dividing potential drop of analog voltage signal process of output after the described digital-to-analog amount transition card conversion by the digital signal that described central controller sends.
5, comprehensive logging instrument automatic detection device according to claim 4, it is characterized in that: described single pulse signal source generator comprises reverser (IC3), optocoupler (PH3), by the pulse signal of described pulse generation/numbered card output after described operational amplifier carries out level conversion and power amplification, drive described optocoupler, described optocoupler output is exported as the single pulse signal source.
6, comprehensive logging instrument automatic detection device according to claim 5, it is characterized in that: described dipulse signal source generator comprises d type flip flop (IC4-1, IC4-2), reverser (IC4-3, IC4-4, IC4-5), optocoupler (PH4-1, PH4-2), by the pulse signal of described pulse generation/numbered card output through described reverser (IC4-3, IC4-5) inverse output terminal output back is as the clock signal of described d type flip flop (IC4-1), this pulse signal is imported as the clock signal of described d type flip flop (IC4-2) after the inverse output terminal output of described reverser (IC4-4) simultaneously, reset terminal (R4-2) short circuit of the reset terminal (R4-1) of described d type flip flop (IC4-1) and described d type flip flop (IC4-2), the input end (D4-1) of described d type flip flop (IC4-1) links to each other with its inverse output terminal (Q4-1F), the forward output terminal (Q4-1) of described d type flip flop (IC4-1) will latch the input end (D4-2) that the pulse signal of exporting the back is delivered to described optocoupler (PH4-1) and described d type flip flop (IC4-2) respectively, pulse signal after the forward output terminal (Q4-2) of described d type flip flop (IC4-1) will be latched by described d type flip flop (IC4-2) is sent to described optocoupler (PH4-2), described d type flip flop (IC4-1, IC4-2) constitute 2 frequency dividing circuits, because the effect of phase inverter, two d type flip flops trigger different constantly, described d type flip flop (IC4-1) is triggered by the monopulse rising edge, described d type flip flop (IC4-2) is triggered by the monopulse negative edge, described optocoupler (PH4-1, PH4-2) two photodiodes are respectively as the output terminal of two-way pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265560 CN2658758Y (en) | 2003-06-12 | 2003-06-12 | Automatic detecting device for comprehensive well log instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03265560 CN2658758Y (en) | 2003-06-12 | 2003-06-12 | Automatic detecting device for comprehensive well log instrument |
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| CN2658758Y true CN2658758Y (en) | 2004-11-24 |
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| CN 03265560 Expired - Fee Related CN2658758Y (en) | 2003-06-12 | 2003-06-12 | Automatic detecting device for comprehensive well log instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198512A (en) * | 2020-03-12 | 2020-05-26 | 辽宁众联石油天然气有限公司 | Parameter simulator |
| CN117459158A (en) * | 2023-12-21 | 2024-01-26 | 中国石油天然气集团有限公司 | Comprehensive logging instrument signal channel testing system and testing method |
-
2003
- 2003-06-12 CN CN 03265560 patent/CN2658758Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198512A (en) * | 2020-03-12 | 2020-05-26 | 辽宁众联石油天然气有限公司 | Parameter simulator |
| CN117459158A (en) * | 2023-12-21 | 2024-01-26 | 中国石油天然气集团有限公司 | Comprehensive logging instrument signal channel testing system and testing method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041124 Termination date: 20120612 |