CN103399360B - A kind of cable Seismic Detector device - Google Patents
A kind of cable Seismic Detector device Download PDFInfo
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- CN103399360B CN103399360B CN201310311602.4A CN201310311602A CN103399360B CN 103399360 B CN103399360 B CN 103399360B CN 201310311602 A CN201310311602 A CN 201310311602A CN 103399360 B CN103399360 B CN 103399360B
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Abstract
A kind of cable Seismic Detector device, relates to cable maintenance field, comprises energy supply control module and the interface circuit being connected successively, communicating circuit, analog to digital conversion circuit, input circuit; Described input circuit, for being connected with cable wave detector, receives the waveform signal of input, obtains analog signal; Analog-digital conversion circuit as described, for being converted to serial digital signal by the described analog signal of described input circuit output; Described communicating circuit, for the described serial digital signal of analog-digital conversion circuit as described output is gone here and there and conversion and sampling processing, obtains parallel digital signal; Described interface circuit, for exporting the described parallel digital signal of described communicating circuit output to Cable Testing System; Described energy supply control module, is used to modules that electric energy is provided. The present invention can test separately a certain working path. In test process, do not affect the maintenance of other working paths, greatly improved cable maintenance progress.
Description
Technical field
The present invention relates to cable maintenance field, relate in particular to a kind of cable Seismic Detector device.
Background technology
Offshore seismic exploration SENTINEL cable is the electronic equipment for acquiring seismic data. Its spyPoint: every section of SSAS(working cable of cable design) be 150 meters long, comprise 6 digital units (FDU),Each digital units (FDU) is controlled 12 working paths, and the 1st road is (wherein 8 inspections of 9 wave detectorsRipple device is this working path wave detector, and on the 2nd position, wave detector is the detection of the 8th, epimere cable 12 roadDevice), 12 road is 7 wave detectors in parallel, other road is 8 wave detectors in parallel. Cable wave detector is adoptedThe data of collection must be transferred to Cable Testing System by FDU and (that is to say that Cable Testing System passes throughFDU carrys out management cable). When 150 meters of long cables are placed on and overhaul on workbench, certain working pathIn certain wave detector change rear working path and must carry out the test of wave detector electric property. In the past a certainAfter the out of order working path in road finds out of order wave detector to change by cable maintenance personnel, Zhi NengchongNewly be connected on cable and test, in test process because powering up (365 volts of direct currents), other workThe maintenance in road can only suspend, and maintenance work is loaded down with trivial details like this, inefficiency, thus greatly affect cable maintenanceProgress.
Summary of the invention
In order to improve the maintenance efficiency of cable, the present invention proposes a kind of cable Seismic Detector device.
In order to solve the problems of the technologies described above, the invention provides a kind of cable Seismic Detector device, compriseEnergy supply control module and the interface circuit being connected successively, communicating circuit, analog to digital conversion circuit, input circuit;
Described input circuit, for being connected with cable wave detector, receives the waveform signal of input, obtains mouldAnalog signal;
Analog-digital conversion circuit as described, for being converted to string by the described analog signal of described input circuit outputRow data signal;
Described communicating circuit, for carrying out the described serial digital signal of analog-digital conversion circuit as described outputString conversion and sampling processing, obtain parallel digital signal;
Described interface circuit, for exporting the described parallel digital signal of described communicating circuit output to electricityCable test system;
Described energy supply control module, is used to modules that electric energy is provided.
Further, described testing arrangement also comprises filter circuit, and described input circuit is by described filteringCircuit is connected with analog-digital conversion circuit as described, and described filter circuit is for the mould to described input circuit outputAnalog signal carries out filtering and noise reduction processing.
Further, described testing arrangement also comprises memory, described memory and described communicating circuit phaseConnect the information producing for store configuration information and test process.
Further, described configuration information comprises following one or multinomial: cable number, cable numeralUnit sequence number, checking parameter information, gain compensation parameters.
Further, the information producing in described test process comprises following one or multinomial: serialData signal, parallel digital signal, clock signal, the verification factor.
Further, described testing arrangement also comprises measuring signal generator, described measuring signal generatorBe connected with described communicating circuit;
Described interface circuit, also for receiving the configuration information of Cable Testing System output, and joins described in inciting somebody to actionThe information of putting is exported described communicating circuit;
Described communicating circuit, also for exporting described configuration information according to described interface circuit, generates and surveysTrial signal parameter information;
Described measuring signal generator, for the described test signal parameter of exporting according to described communicating circuitThe sinusoidal wave test signal of Information generation, and export described sinusoidal wave test signal to described input circuit.
Further, described testing arrangement also comprises multiway analog switch, described multiway analog switch settingOn the link between input circuit and filter circuit, described multiway analog switch makes to only have a road signalInput to described filter circuit.
Further, described method of testing comprises:
Receive the waveform signal of input, obtain analog signal;
Described analog signal is converted to serial digital signal;
Described serial digital signal is gone here and there and conversion and sampling processing, obtain parallel digital signal;
Export described parallel digital signal.
Further, described method of testing also comprises: the analog signal to described input circuit output is carried outFiltering and noise reduction processing.
Further, the waveform signal of input is sinusoidal wave test signal.
The present invention can access cable Seismic Detector device structure in the time that working cable keeps in repair arbitrarily togetherBecome test data loop, Cable Testing System just can reach by cable Seismic Detector device and manage like thisThe reason cable object of one arbitrarily. Reach the Cable Testing System object of a certain working path of test separately.In test process, do not affect the maintenance of other working paths, maintenance work efficiency is like this high, thereby greatly improvesCable maintenance progress.
Brief description of the drawings
Fig. 1 is the structural representation of the cable Seismic Detector device of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present inventionDetailed description of the invention be described in further detail. It should be noted that, in the situation that not conflicting,Feature in embodiment and embodiment in the application can be combined mutually.
As shown in Figure 1, the cable Seismic Detector device of the embodiment of the present invention, comprises energy supply control moduleConnected interface circuit, communicating circuit, analog to digital conversion circuit, input circuit successively;
Described input circuit, for being connected with cable wave detector, receives the waveform signal of input, obtains mouldAnalog signal;
Analog-digital conversion circuit as described, for being converted to string by the described analog signal of described input circuit outputRow data signal;
Described communicating circuit, for carrying out the described serial digital signal of analog-digital conversion circuit as described outputString conversion and sampling processing, obtain parallel digital signal;
Described interface circuit, for exporting the described parallel digital signal of described communicating circuit output to electricityCable test system;
Described energy supply control module, is used to modules that electric energy is provided.
Communicating circuit mainly completes from extraction, the filtering of the serial digital signal of analog to digital conversion circuit output.A parallel digital signal from the signal of described testing arrangement output.
Preferably, described input circuit is connected with analog-digital conversion circuit as described by filter circuit, described filterWave circuit is for carrying out filtering and noise reduction processing to the analog signal of described input circuit output.
The effect of filter circuit is to eliminate high frequency noise, for preventing that the alias that sampling produces from disturbing the initial filter of doRipple.
Preferably, described testing arrangement also comprises memory, and described memory is connected with described communicating circuit,Be used for the information that store configuration information and test process produce.
Memory preferably erasable, rewritable read-only storage comes in store configuration information and test processThe information producing, wherein configuration information can comprise following one or multinomial: cable number, cable countWord cell sequence number, checking parameter information, gain compensation parameters; The information producing in test process is passableComprise following one or multinomial: serial digital signal, parallel digital signal, clock signal, verificationThe factor.
Preferably, described testing arrangement also comprises measuring signal generator, described measuring signal generator withDescribed communicating circuit is connected;
Described interface circuit, also for receiving the configuration information of Cable Testing System output, and joins described in inciting somebody to actionThe information of putting is exported described communicating circuit;
Described communicating circuit, also for exporting described configuration information according to described interface circuit, generates and surveysTrial signal parameter information;
Described measuring signal generator, for the described test signal parameter of exporting according to described communicating circuitThe sinusoidal wave test signal of Information generation, and export described sinusoidal wave test signal to described input circuit.
Measuring signal generator is mainly made up of an A/D converter. As the test of the embodiment of the present inventionThe input signal of internal signal generator of device is the sinusoidal wave test signal of depositing in advance or by cableThe sinusoidal wave test signal of test system configurations, the sinusoidal wave test signal warp that measuring signal generator producesAfter space A/D conversion, output analog test signal is sent to input circuit, using as described testing arrangement self-inspectionWith the signal source to filter circuit test. Communicating circuit is responsible between described testing arrangement and Cable Testing SystemCommunication.
Preferably, described testing arrangement also comprises multiway analog switch, and described multiway analog switch is arranged onOn link between input circuit and filter circuit, described multiway analog switch makes to only have a road signal defeatedEnter to described filter circuit.
The effect of multiway analog switch (MUX) is prime to be inputted to tested voltage select, and ensuresThe analog to digital conversion circuit that a certain moment only has a road voltage to enter rear class carries out data transaction.
The embodiment of the present invention also provides a kind of cable Seismic Detector method, comprising:
Receive the waveform signal of input, obtain analog signal;
Described analog signal is converted to serial digital signal;
Described serial digital signal is gone here and there and conversion and sampling processing, obtain parallel digital signal;
Export described parallel digital signal.
Described method of testing also comprises: the analog signal to described input circuit output is carried out filtering and noise reduction placeReason.
The waveform signal of input is sinusoidal wave test signal.
Embodiment
A starting resistor is provided after energy supply control module powers up, produces 6.3V voltage, supply with input circuitCircuit. Produce 2.7V voltage, supply with FDU analog to digital conversion circuit and subsequent conditioning circuit. Filter circuit receivesThe analog signal of input circuit is also eliminated the noise of radio-frequency component, then signal is sent into analog to digital conversion circuit,Analog to digital conversion circuit converts the analog signal of filter circuit collection to the digital stream signal of 256KHZ, andDeliver to communicating circuit, communicating circuit completes the 256KHZ serial digital stream signal coming from D/A change-over circuitThe first order extract and process, to the 4KHZ data signal of one 24 of interface circuit outputs, interface electricityRoad completes shaping, reception and the forwarding work of parallel digital signal. Wherein the clock signal in data is frequentlyIn rate and phase place, all tightly follow data-signal, thereby realizing data transmission synchronization.
Measuring signal generator adopts the sinusoidal wave test signal of depositing in advance, this digital test signal withThe frequency input test signal generator of 256KHZ is exported after A/D converter carries out A/D conversionAnalog test signal is sent to input circuit, using what test as described testing arrangement self-inspection with to filter circuitSignal source.
The present embodiment is set cable middle part the 6th road wave detector capacitance and is exceeded standard, and finds fault wave detector and entersRow is tested after changing.
One, cable Seismic Detector device is connected with the 6th road wave detector (grp6).
Two, cable Seismic Detector device interface circuit and Cable Testing System are connected and composed to testData loop.
Three, by Cable Testing System, the 6th road wave detector (grp6) is tested and realized test function(electric leakage, common-mode rejection ratio, electric capacity, noise etc.) have reached the Cable Testing System a certain work of test separatelyThe object of doing.
Four, after the 6th road wave detector (grp6) test passes, can recover the original connection of cable.
Claims (7)
1. a cable Seismic Detector device, is characterized in that: at a certain working path of working cableWhile maintenance, make Cable Testing System can test separately this working path, in test process, do not affect itThe maintenance of its working path, described cable Seismic Detector device comprises energy supply control module and is connected successivelyInterface circuit, communicating circuit, analog to digital conversion circuit, input circuit, memory and measuring signal generator;
Described input circuit, for being connected with cable wave detector, receives the waveform signal of input, obtains mouldAnalog signal;
Analog-digital conversion circuit as described, for being converted to string by the described analog signal of described input circuit outputRow data signal;
Described communicating circuit, for carrying out the described serial digital signal of analog-digital conversion circuit as described outputString conversion and sampling processing, obtain parallel digital signal; Also for according to the output of described interface circuitConfiguration information, generates test signal parameter information;
Described interface circuit, for exporting the described parallel digital signal of described communicating circuit output to electricityCable test system; Also for receiving the configuration information of Cable Testing System output, and by described configuration informationExport described communicating circuit;
Described memory, is connected with described communicating circuit, produces for store configuration information and test processRaw information; Described configuration information comprises following one or multinomial: cable number, cable count word cellSequence number, checking parameter information, gain compensation parameters;
Described measuring signal generator, is connected with described communicating circuit, for defeated according to described communicating circuitThe described test signal parameter information going out generates sinusoidal wave test signal, and by described sinusoidal wave test signalExport described input circuit to;
Described energy supply control module, is used to modules that electric energy is provided.
2. testing arrangement as claimed in claim 1, is characterized in that: described testing arrangement also comprises filterWave circuit, described input circuit is connected with analog-digital conversion circuit as described by described filter circuit, described filterWave circuit is for carrying out filtering and noise reduction processing to the analog signal of described input circuit output.
3. testing arrangement as claimed in claim 1, is characterized in that: in described test process, produceInformation comprises following one or multinomial: serial digital signal, parallel digital signal, clock signal,The verification factor.
4. testing arrangement as claimed in claim 2, is characterized in that: described testing arrangement also comprises manyPath analoging switch, described multiway analog switch is arranged on the link between input circuit and filter circuit,Described multiway analog switch makes to only have a road signal to input to described filter circuit.
5. one kind adopts the cable Seismic Detector side of cable Seismic Detector device as claimed in claim 1Method, is characterized in that: described method of testing comprises:
Receive the waveform signal of input, obtain analog signal;
Described analog signal is converted to serial digital signal;
Described serial digital signal is gone here and there and conversion and sampling processing, obtain parallel digital signal;
Export described parallel digital signal.
6. testing arrangement as claimed in claim 5, is characterized in that: described method of testing also comprises:Analog signal to described input circuit output is carried out filtering and noise reduction processing.
7. testing arrangement as claimed in claim 5, is characterized in that: the waveform signal of input is for sinusoidalRipple test signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311602.4A CN103399360B (en) | 2013-07-23 | 2013-07-23 | A kind of cable Seismic Detector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311602.4A CN103399360B (en) | 2013-07-23 | 2013-07-23 | A kind of cable Seismic Detector device |
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| Publication Number | Publication Date |
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| CN103399360A CN103399360A (en) | 2013-11-20 |
| CN103399360B true CN103399360B (en) | 2016-05-11 |
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| CN201310311602.4A Active CN103399360B (en) | 2013-07-23 | 2013-07-23 | A kind of cable Seismic Detector device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113917289B (en) * | 2021-12-14 | 2022-02-25 | 中海油田服务股份有限公司 | Solid cable testing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4166270A (en) * | 1978-01-26 | 1979-08-28 | Gulf Research & Development Company | Testing of seismic streamers |
| US20110242933A1 (en) * | 2007-10-19 | 2011-10-06 | Francis Maissant | Determining a characteristic of a seismic sensing module using a processor in the seismic sensing module |
| CN101840008B (en) * | 2009-03-18 | 2012-12-12 | 中国石油天然气集团公司 | Multifunctional seismic hydrophone tester |
| CN201740874U (en) * | 2010-06-11 | 2011-02-09 | 国家海洋局第一海洋研究所 | High resolution digital acquisition unit |
| CN102967784B (en) * | 2012-11-26 | 2014-12-03 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
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