CN103399360A - Cable detector test device - Google Patents
Cable detector test device Download PDFInfo
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- CN103399360A CN103399360A CN2013103116024A CN201310311602A CN103399360A CN 103399360 A CN103399360 A CN 103399360A CN 2013103116024 A CN2013103116024 A CN 2013103116024A CN 201310311602 A CN201310311602 A CN 201310311602A CN 103399360 A CN103399360 A CN 103399360A
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Abstract
The invention discloses a cable detector test device and relates to the field of cable maintenance. The cable detector test device comprises a power supply control module, and an interface circuit, a communication circuit, an analog-digital conversion circuit and an input circuit, which are connected in sequence; the input circuit is used for connecting with a cable detector, receiving an inputted waveform signal, and obtaining an analog signal; the analog-digital conversion circuit is used for converting the analog signal outputted by the input circuit into a serial digital signal; the communication circuit is used for carrying out serial-parallel conversion and sampling processing on the serial digital signal outputted by the analog-digital conversion circuit and obtaining a parallel digital signal; the interface circuit is used for outputting the parallel digital signal outputted by the communication circuit to a cable test system; and the power supply control module is used for supplying electric energy to the modules. The cable detector test device can independently test one working channel. The maintenance of other working channels is not affected in the test process, and the cable maintenance progress is greatly accelerated.
Description
Technical field
The present invention relates to the 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 of acquiring seismic data.Its feature: be every section SSAS(working cable of cable design) 150 meters long, comprise 6 digital units (FDU), each digital units (FDU) is controlled 12 working paths, the 1st road is that (wherein 8 wave detectors are this working path wave detectors to 9 wave detectors, on the 2nd position, wave detector is the 8th, the 12 roads wave detector of epimere cable), the 12nd road is 7 wave detectors in parallel, and other road is 8 wave detectors in parallel.The data of cable wave detector collection must be transferred to Cable Testing System (that is to say that Cable Testing System carrys out management cable by FDU) by FDU.150 meters long cables are placed on worktable while overhauling, and in certain working path, certain wave detector is changed rear working path and must be carried out the test of wave detector electric property.After certain one out of order working path found out of order wave detector to change by the cable maintenance personnel in the past, can only reconnect on cable and test, in test process because powering up (365 volts of direct currents), the maintenance of other working paths can only suspend, maintenance job is loaded down with trivial details like this, inefficiency, thus the cable maintenance progress greatly affected.
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, comprise energy supply control module and the interface circuit that is connected successively, communicating circuit, analog to digital conversion circuit, input circuit;
Described input circuit, for the cable wave detector, being connected, receive the waveform signal of input, obtains simulating signal;
Analog-digital conversion circuit as described is serial digital signal for the described analog signal conversion by described input circuit output;
Described communicating circuit, go here and there and conversion and sampling processing for the described serial digital signal by analog-digital conversion circuit as described output, obtains parallel digital signal;
Described interface circuit, export Cable Testing System to for the described parallel digital signal by described communicating circuit output;
Described energy supply control module, be used to modules that electric energy is provided.
Further, described proving installation also comprises filtering circuit, and described input circuit is connected with analog-digital conversion circuit as described by described filtering circuit, and described filtering circuit carries out the filtering and noise reduction processing for the simulating signal to described input circuit output.
Further, described proving installation also comprises storer, and described storer is connected with described communicating circuit, the information that produces for store configuration information and test process.
Further, described configuration information comprises following one or multinomial: cable number, cable count word cell sequence number, checking parameter information, gain compensation parameters.
Further, the information that produces in described test process comprises following one or multinomial: serial digital signal, parallel digital signal, clock signal, the verification factor.
Further, described proving installation also comprises measuring signal generator, and described measuring signal generator is connected with described communicating circuit;
Described interface circuit, also be used to receiving the configuration information of Cable Testing System output, and by the described communicating circuit of described configuration information output;
Described communicating circuit, also, for according to the described configuration information in described interface circuit output ground, generate the test signal parameter information;
Described measuring signal generator, generate sinusoidal wave test signal for the described test signal parameter information according to described communicating circuit output, and export described sinusoidal wave test signal to described input circuit.
Further, described proving installation also comprises multiway analog switch, and described multiway analog switch is arranged on the link between input circuit and filtering circuit, and described multiway analog switch makes only has a road signal to input to described filtering circuit.
Further, described method of testing comprises:
Receive the waveform signal of input, obtain simulating signal;
By described analog signal conversion, it is 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 simulating signal to described input circuit output is carried out the filtering and noise reduction processing.
Further, the waveform signal of input is sinusoidal wave test signal.
The present invention can access cable Seismic Detector device and form the test data loop when working cable keeps in repair arbitrarily together, Cable Testing System just can reach by cable Seismic Detector device and carry out any purpose together of management cable like this.Reached the Cable Testing System purpose of a certain working path of test separately.In test process, do not affect the maintenance of other working paths, maintenance job efficiency like this is high, thereby has greatly improved the cable maintenance progress.
The accompanying drawing explanation
Fig. 1 is the structural representation of the cable Seismic Detector device of the embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.It should be noted that, in the situation that do not conflict, the embodiment in the application and the feature in embodiment be combination in any mutually.
As shown in Figure 1, the cable Seismic Detector device of the embodiment of the present invention, comprise energy supply control module and the interface circuit that is connected successively, communicating circuit, analog to digital conversion circuit, input circuit;
Described input circuit, for the cable wave detector, being connected, receive the waveform signal of input, obtains simulating signal;
Analog-digital conversion circuit as described is serial digital signal for the described analog signal conversion by described input circuit output;
Described communicating circuit, go here and there and conversion and sampling processing for the described serial digital signal by analog-digital conversion circuit as described output, obtains parallel digital signal;
Described interface circuit, export Cable Testing System to for the described parallel digital signal by described communicating circuit output;
Described energy supply control module, be 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.From the signal of described proving installation output, it is a parallel digital signal.
Preferably, described input circuit is connected with analog-digital conversion circuit as described by filtering circuit, and described filtering circuit carries out the filtering and noise reduction processing for the simulating signal to described input circuit output.
The effect of filtering circuit is to eliminate high frequency noise, and the alias that produces for preventing from sampling disturbs does initial filtering.
Preferably, described proving installation also comprises storer, and described storer is connected with described communicating circuit, the information that produces for store configuration information and test process.
Storer preferably erasable, rewritable ROM (read-only memory) carrys out the information that produces in store configuration information and test process, and wherein configuration information can comprise following one or multinomial: cable number, cable count word cell sequence number, checking parameter information, gain compensation parameters; The information that produces in test process can comprise following one or multinomial: serial digital signal, parallel digital signal, clock signal, the verification factor.
Preferably, described proving installation also comprises measuring signal generator, and described measuring signal generator is connected with described communicating circuit;
Described interface circuit, also be used to receiving the configuration information of Cable Testing System output, and by the described communicating circuit of described configuration information output;
Described communicating circuit, also, for according to the described configuration information in described interface circuit output ground, generate the test signal parameter information;
Described measuring signal generator, generate sinusoidal wave test signal for the described test signal parameter information according to described communicating circuit output, and export described sinusoidal wave test signal to described input circuit.
Measuring signal generator mainly consists of an A/D converter.Input signal as the internal signal generator of the proving installation of the embodiment of the present invention, the sinusoidal wave test signal of depositing in advance or the sinusoidal wave test signal that is configured by Cable Testing System, the sinusoidal wave test signal that measuring signal generator produces output analog test signal after space A/D conversion is sent to input circuit, usings as described proving installation self check with to the signal source of filtering circuit test.Communicating circuit is responsible for the communication between described proving installation and Cable Testing System.
Preferably, described proving installation also comprises multiway analog switch, and described multiway analog switch is arranged on the link between input circuit and filtering circuit, and described multiway analog switch makes only has a road signal to input to described filtering circuit.
The effect of multiway analog switch (MUX) is that the tested voltage of prime input is selected, and guarantees that the analog to digital conversion circuit that at a time only has a road voltage to enter rear class carries out data-switching.
The embodiment of the present invention also provides a kind of cable Seismic Detector method, comprising:
Receive the waveform signal of input, obtain simulating signal;
By described analog signal conversion, it is 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 simulating signal to described input circuit output is carried out the filtering and noise reduction processing.
The waveform signal of input is sinusoidal wave test signal.
Embodiment
A trigger voltage is provided after energy supply control module powers up, produces 6.3V voltage, supply with the input circuit circuit.Produce 2.7V voltage, supply with FDU analog to digital conversion circuit and subsequent conditioning circuit.Filtering circuit receives the simulating signal of input circuit and eliminates the noise of radio-frequency component, then signal is sent into to analog to digital conversion circuit, analog to digital conversion circuit becomes the analog signal conversion of filtering circuit collection the digital stream signal of 256KHZ, and deliver to communicating circuit, communicating circuit completes from the first order of the next 256KHZ serial digital stream signal of D/A change-over circuit and extracts and process, to the 4KHZ digital signal of one 24 of interface circuit outputs, interface circuit completes shaping, reception and the forwarding work of parallel digital signal.Wherein the clock signal in data is all tightly being followed data-signal on frequency and phase place, thereby has realized data transmission synchronization.
Measuring signal generator adopts the sinusoidal wave test signal of depositing in advance, this digital test signal is with the frequency input test signal generator of 256KHZ, the output analog test signal is sent to input circuit after A/D converter carries out the A/D conversion, usings as described proving installation self check with to the signal source of filtering circuit test.
The present embodiment is set cable middle part the 6th road wave detector capacitance and is exceeded standard, and finds after the fault wave detector is changed and tests.
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 the test data loop.
Three, by Cable Testing System, the 6th road wave detector (grp6) is tested and realized that test function (electric leakage, common-mode rejection ratio, electric capacity, noise etc.) has reached the Cable Testing System purpose of a certain working path of test separately.
Four, after the 6th road wave detector (grp6) test passes, can recover the original connection of cable.
Claims (10)
1. cable Seismic Detector device, it is characterized in that: described cable Seismic Detector device comprises energy supply control module and the interface circuit that is connected successively, communicating circuit, analog to digital conversion circuit, input circuit;
Described input circuit, for the cable wave detector, being connected, receive the waveform signal of input, obtains simulating signal;
Analog-digital conversion circuit as described is serial digital signal for the described analog signal conversion by described input circuit output;
Described communicating circuit, go here and there and conversion and sampling processing for the described serial digital signal by analog-digital conversion circuit as described output, obtains parallel digital signal;
Described interface circuit, export Cable Testing System to for the described parallel digital signal by described communicating circuit output;
Described energy supply control module, be used to modules that electric energy is provided.
2. proving installation as claimed in claim 1, it is characterized in that: described proving installation also comprises filtering circuit, described input circuit is connected with analog-digital conversion circuit as described by described filtering circuit, and described filtering circuit carries out the filtering and noise reduction processing for the simulating signal to described input circuit output.
3. proving installation as claimed in claim 1, it is characterized in that: described proving installation also comprises storer, described storer is connected with described communicating circuit, the information that produces for store configuration information and test process.
4. proving installation as claimed in claim 3 is characterized in that: described configuration information comprises following one or multinomial: cable number, cable count word cell sequence number, checking parameter information, gain compensation parameters.
5. proving installation as claimed in claim 3 is characterized in that: the information that produces in described test process comprises following one or multinomial: serial digital signal, parallel digital signal, clock signal, the verification factor.
6. proving installation as claimed in claim 1, it is characterized in that: described proving installation also comprises measuring signal generator, described measuring signal generator is connected with described communicating circuit;
Described interface circuit, also be used to receiving the configuration information of Cable Testing System output, and by the described communicating circuit of described configuration information output;
Described communicating circuit, also, for according to the described configuration information in described interface circuit output ground, generate the test signal parameter information;
Described measuring signal generator, generate sinusoidal wave test signal for the described test signal parameter information according to described communicating circuit output, and export described sinusoidal wave test signal to described input circuit.
7. proving installation as claimed in claim 2, it is characterized in that: described proving installation also comprises multiway analog switch, described multiway analog switch is arranged on the link between input circuit and filtering circuit, and described multiway analog switch makes only has a road signal to input to described filtering circuit.
8. cable Seismic Detector method, it is characterized in that: described method of testing comprises:
Receive the waveform signal of input, obtain simulating signal;
By described analog signal conversion, it is 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.
9. proving installation as claimed in claim 8, it is characterized in that: described method of testing also comprises: the simulating signal to described input circuit output is carried out the filtering and noise reduction processing.
10. proving installation as claimed in claim 8, it is characterized in that: the waveform signal of input is sinusoidal wave 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 |
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| 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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| CN103399360A true CN103399360A (en) | 2013-11-20 |
| CN103399360B CN103399360B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917289A (en) * | 2021-12-14 | 2022-01-11 | 中海油田服务股份有限公司 | Solid cable testing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4166270A (en) * | 1978-01-26 | 1979-08-28 | Gulf Research & Development Company | Testing of seismic streamers |
| WO2009055117A2 (en) * | 2007-10-19 | 2009-04-30 | Westerngeco L.L.C. | Determining a characteristic of a seismic sensing module using a processor in the seismic sensing module |
| CN101840008A (en) * | 2009-03-18 | 2010-09-22 | 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 |
| CN102967784A (en) * | 2012-11-26 | 2013-03-13 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
-
2013
- 2013-07-23 CN CN201310311602.4A patent/CN103399360B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4166270A (en) * | 1978-01-26 | 1979-08-28 | Gulf Research & Development Company | Testing of seismic streamers |
| WO2009055117A2 (en) * | 2007-10-19 | 2009-04-30 | Westerngeco L.L.C. | Determining a characteristic of a seismic sensing module using a processor in the seismic sensing module |
| CN101840008A (en) * | 2009-03-18 | 2010-09-22 | 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 |
| CN102967784A (en) * | 2012-11-26 | 2013-03-13 | 中国海洋石油总公司 | Fault detection method and device for digital unit on offshore earthquake exploration cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917289A (en) * | 2021-12-14 | 2022-01-11 | 中海油田服务股份有限公司 | Solid cable testing device and method |
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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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