CN102169125B - Device for acquiring acceleration monitoring signal of marine riser - Google Patents
Device for acquiring acceleration monitoring signal of marine riser Download PDFInfo
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- CN102169125B CN102169125B CN 201010616027 CN201010616027A CN102169125B CN 102169125 B CN102169125 B CN 102169125B CN 201010616027 CN201010616027 CN 201010616027 CN 201010616027 A CN201010616027 A CN 201010616027A CN 102169125 B CN102169125 B CN 102169125B
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- data acquisition
- clamper
- acquisition unit
- signal
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Abstract
The invention relates to a device for acquiring an acceleration monitoring signal of a marine riser. The device is characterized by comprising a sealing sleeve, a clamper sleeve, a clamper steel frame, a plurality of clamper steel bands and a data acquisition storage, wherein the data acquisition storage is sealed in the sealing sleeve; the sealing sleeve is arranged in the clamper sleeve; the clamper sleeve is fixedly arranged on a pipeline of the marine riser through the clamper steel frame; and the clamper steel frame is bound on the pipeline through the plurality of clamper steel bands, so that the clamper sleeve is fastened integrally with the pipeline. In the device, the data acquisition storage is sealed in the sealing sleeve and arranged in the clamper sleeve, and the clamper sleeve is fixedly arranged on the pipeline of the marine riser through the clamper steel frame and the plurality of clamper steel bands, so that the clamper sleeve is fastened integrally with the pipeline. By adopting the device, an acceleration signal of the marine riser can be effectively acquired. The device can be widely applied to the signal acquisition of the marine underwater riser.
Description
Technical field
The present invention relates to a kind of signal pickup assembly, particularly about a kind of device for acquiring acceleration monitoring signal of marine riser.
Background technology
The general data collector has A/D conversion and acquisition function, namely analog signal conversion is become digital signal, and signal is connected with PC by interface.Because the difference of collection signal type, data acquisition unit need to dispose special signal conditioner and could work.At present, the data acquisition unit that directly connects acceleration transducer is considerably less, and the acceleration collection of marine riser needs long off-line monitoring, stores a large amount of image data.Existing data acquisition unit scarcely has data storage function, but it is less perhaps to have the memory function storage capacity, still can't satisfy the acceleration demand of marine riser.Signal frequency during the acceleration normal condition of marine riser is low, amplitude is little, but when particular surroundings, vibration frequency is fast, amplitude is large, and therefore, required frequency acquisition needs change according to the actual environment condition.The frequency of existing data acquisition is often preseted by capture program, can not revise in the gatherer process.In addition, the collection of marine riser movable information also faces the sealing problem of acceleration sensor and harvester.
Summary of the invention
For the problems referred to above, the purpose of this invention is to provide a kind of device for acquiring acceleration monitoring signal of marine riser that can effectively gather acceleration signal.
For achieving the above object, the present invention takes following technical scheme: a kind of device for acquiring acceleration monitoring signal of marine riser is characterized in that: it comprises a seal sleeve, a clamper sleeve, a clamper steelframe, some clamper steel bands and a data acquisition storer; Described data acquisition storer is sealed in the described seal sleeve, and described seal sleeve is arranged in the described clamper sleeve; Described clamper sleeve is installed on the pipeline of marine riser by described clamper steelframe, and described clamper steelframe is bundled on the described pipeline by some described clamper steel bands, and described clamper sleeve and described fixing pipeline are integral.
Described data acquisition storer comprises a data acquisition unit base plate, more than one 3-axis acceleration sensor plate, a power conversion board, a data acquisition unit top board, a keypad and a SD storage card; Described power conversion board becomes the required supply voltage of described data acquisition storer with the voltage transitions of extraneous power supply, is described data acquisition unit base plate and the power supply of 3-axis acceleration sensor plate; The described pipeline acceleration transducer signals that described 3-axis acceleration sensor plate will collect is inputted in the described data acquisition unit base plate and is processed, and described data acquisition unit base plate and described data acquisition unit top board and keypad carry out information interaction; Be provided with the described SD storage card for storage acceleration signal image data on the described data acquisition unit base plate.
Described data acquisition unit base plate comprises two four-way signal condition modules, an analog switch, a programmable gain amplifier, a low-pass filter and analog to digital converters, described 3-axis acceleration sensor plate is inputted the acceleration signal that collects in each described signal condition module, and each described signal condition module is controlled its work by described analog switch; Each described signal condition module after described programmable gain amplifier, low-pass filter and analog to digital converter degree of will speed up signal are processed, is sent to respectively in described data acquisition storer top board and the keypad after the acceleration signal that receives is processed successively.
Described keypad adopts RS232 serial ports and described data acquisition unit base plate to carry out information interaction.
The sample frequency of described data acquisition storer can be regulated in 0.5～10Khz scope.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is sealed in the data acquisition storer in the seal sleeve owing to adopting, and place in the clamper sleeve, the clamper sleeve is installed on the pipeline of marine riser by clamper steelframe and some clamper steel bands, so that clamper sleeve and fixing pipeline are integral.Therefore, the present invention can gather the marine riser acceleration signal effectively.2, the present invention is owing to be provided with the SD storage card on the data acquisition unit base plate of data acquisition storer, and its memory capacity is large, and storage speed is fast, can satisfy the demand of the acceleration signal collection of marine riser.3, the present invention is owing to be provided with the signal condition module of two four-ways on the data acquisition unit base plate of data acquisition storer, and each signal condition module is controlled its work by analog switch, therefore can be so that the data acquisition storer is realized eight passages to be gathered simultaneously, and its sample frequency is adjustable in 0.5～10Khz scope.The present invention can be widely used in the signals collecting application of ocean water lower standing tube.
Description of drawings
Fig. 1 is one-piece construction synoptic diagram of the present invention;
Fig. 2 is data acquisition memory construction synoptic diagram of the present invention.
Embodiment
Be described in detail of the present invention below in conjunction with drawings and Examples.
As shown in Figure 1, the present invention includes a seal sleeve 1, a clamper sleeve 2, a clamper steelframe 3, some clamper steel bands 4 and a data acquisition storer (not shown).The data acquisition storer is sealed in the seal sleeve 1, and seal sleeve 1 is arranged in the clamper sleeve 2.Clamper sleeve 2 is installed on the pipeline 5 of marine riser by clamper steelframe 3, and clamper steelframe 3 is bundled on the pipeline 5 by some clamper steel bands 4, makes clamper sleeve 2 and pipeline 5 be tightened to one.And then realize by the acceleration signal that is arranged on the data acquisition storer Real-time Collection marine riser in the clamper sleeve 2.
As shown in Figure 2, in above-described embodiment, the data acquisition storer comprises a data acquisition unit base plate 6, a 3-axis acceleration sensor plate 7, a power conversion board 8, a data acquisition unit top board 9, a keypad 10 and a SD storage card 11.Power conversion board 8 becomes the required supply voltage of data acquisition storer with the voltage transitions of extraneous power supply, is data acquisition unit base plate 6 and 7 power supplies of 3-axis acceleration sensor plate.3-axis acceleration sensor plate 7 will be processed in the pipeline 5 acceleration transducer signals input data acquisition unit base plate 6 that collect, and carries out information interaction by data acquisition unit base plate 6 and data acquisition unit top board 9 and keypad 10.Wherein, also be provided with SD storage card 11 on the data acquisition unit base plate 6, be used for the acceleration signal image data of storage data acquisition unit base plate 6.
In above-described embodiment, keypad 10 adopts RS232 serial ports and data acquisition unit base plate 6 to carry out information interaction.
As shown in Figure 2, data acquisition unit base plate 6 comprises two four-way signal condition modules 12, an analog switch 13, a programmable gain amplifier 14, a low-pass filter 15 and an analog to digital converter 16,3-axis acceleration sensor plate 7 is inputted the acceleration signal that collects in each signal condition module 12, and each signal condition module 12 is by analog switch 13 its work of control.After each signal condition module 12 is carried out the processing such as denoising, filtering with the acceleration signal that receives, successively after programmable gain amplifier 14, low-pass filter 15 and analog to digital converter 16 degree of will speed up signals are processed, be sent to respectively in data acquisition storer top board 9 and the keypad 10 again.
In above-described embodiment, 12 work of two four-way signal condition modules of analog switch 13 controls are arranged, can realize that eight passages gather the acceleration signal of pipeline 5 simultaneously, so that the sample frequency of data acquisition storer can be regulated in 0.5～10Khz scope.
In the various embodiments described above, the collection file generated rule of data acquisition storer is: the data acquisition storer calculates the corresponding document size automatically according to the information such as quantity that the sampling in the configuration file begins relative time and sampling end relative time, sampling interval, sampling number and plug-in 3-axis acceleration sensor plate 7, is kept additional space at SD storage card 11 before starting sampling; Encrypt and gather 10% amount that file is pressed total sampling time, the density that gathers a secondary data according to per second keeps data.If adopt the mode starting outfit sampling of instant sampling, the data acquisition storer will give according to 180 days maximum operating time the document retaining space.
The various embodiments described above only are used for explanation the present invention; the structure of each parts, size, setting position and shape all can change to some extent; on the basis of technical solution of the present invention; all improvement and equivalents of individual component being carried out according to the principle of the invention all should not got rid of outside protection scope of the present invention.
Claims (6)
1. device for acquiring acceleration monitoring signal of marine riser, it is characterized in that: it comprises a seal sleeve, a clamper sleeve, a clamper steelframe, some clamper steel bands and a data acquisition storer; Described data acquisition storer is sealed in the described seal sleeve, and described seal sleeve is arranged in the described clamper sleeve; Described clamper sleeve is installed on the pipeline of marine riser by described clamper steelframe, and described clamper steelframe is bundled on the described pipeline by some described clamper steel bands, and described clamper sleeve and described fixing pipeline are integral.
2. a kind of device for acquiring acceleration monitoring signal of marine riser as claimed in claim 1, it is characterized in that: described data acquisition storer comprises a data acquisition unit base plate, more than one 3-axis acceleration sensor plate, a power conversion board, a data acquisition unit top board, a keypad and a SD storage card; Described power conversion board becomes the required supply voltage of described data acquisition storer with the voltage transitions of extraneous power supply, is described data acquisition unit base plate and the power supply of 3-axis acceleration sensor plate; The described pipeline acceleration transducer signals that described 3-axis acceleration sensor plate will collect is inputted in the described data acquisition unit base plate and is processed, and described data acquisition unit base plate and described data acquisition unit top board and keypad carry out information interaction; Be provided with the described SD storage card for storage acceleration signal image data on the described data acquisition unit base plate.
3. a kind of device for acquiring acceleration monitoring signal of marine riser as claimed in claim 2, it is characterized in that: described data acquisition unit base plate comprises two four-way signal condition modules, an analog switch, a programmable gain amplifier, a low-pass filter and analog to digital converters, described 3-axis acceleration sensor plate is inputted the acceleration signal that collects in each described signal condition module, and each described signal condition module is controlled its work by described analog switch; Each described signal condition module after described programmable gain amplifier, low-pass filter and analog to digital converter degree of will speed up signal are processed, is sent to respectively in described data acquisition unit top board and the keypad after the acceleration signal that receives is processed successively.
4. a kind of device for acquiring acceleration monitoring signal of marine riser as claimed in claim 2 or claim 3, it is characterized in that: described keypad adopts RS232 serial ports and described data acquisition unit base plate to carry out information interaction.
5. such as claim 1 or 2 or 3 described a kind of device for acquiring acceleration monitoring signal of marine risers, it is characterized in that: the sample frequency of described data acquisition storer can be regulated in 0.5～10Khz scope.
6. a kind of device for acquiring acceleration monitoring signal of marine riser as claimed in claim 4, it is characterized in that: the sample frequency of described data acquisition storer can be regulated in 0.5～10Khz scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616027 CN102169125B (en) | 2010-12-30 | 2010-12-30 | Device for acquiring acceleration monitoring signal of marine riser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010616027 CN102169125B (en) | 2010-12-30 | 2010-12-30 | Device for acquiring acceleration monitoring signal of marine riser |
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| CN102169125A CN102169125A (en) | 2011-08-31 |
| CN102169125B true CN102169125B (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010616027 Expired - Fee Related CN102169125B (en) | 2010-12-30 | 2010-12-30 | Device for acquiring acceleration monitoring signal of marine riser |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128168A1 (en) * | 1981-07-16 | 1983-02-24 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Method and device for clock-controlled flow-rate measurement using the acceleration pressure method |
| US5821418A (en) * | 1996-04-28 | 1998-10-13 | The United States Of America As Represented By The Secretary Of The Navy | Cooled fixture for high temperature accelerometer measurements |
| CN101571234A (en) * | 2009-06-16 | 2009-11-04 | 北京埃德尔黛威新技术有限公司 | Liquid pressure conduit leak detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033383U (en) * | 2010-12-30 | 2011-11-09 | 中国海洋石油总公司 | Marine riser acceleration monitoring signal acquisition device |
-
2010
- 2010-12-30 CN CN 201010616027 patent/CN102169125B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3128168A1 (en) * | 1981-07-16 | 1983-02-24 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Method and device for clock-controlled flow-rate measurement using the acceleration pressure method |
| US5821418A (en) * | 1996-04-28 | 1998-10-13 | The United States Of America As Represented By The Secretary Of The Navy | Cooled fixture for high temperature accelerometer measurements |
| CN101571234A (en) * | 2009-06-16 | 2009-11-04 | 北京埃德尔黛威新技术有限公司 | Liquid pressure conduit leak detection device |
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| CN102169125A (en) | 2011-08-31 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: China University of Petroleum (Beijing) |
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Granted publication date: 20130529 Termination date: 20151230 |
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