CN102169125A - 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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- CN102169125A CN102169125A CN2010106160275A CN201010616027A CN102169125A CN 102169125 A CN102169125 A CN 102169125A CN 2010106160275 A CN2010106160275 A CN 2010106160275A CN 201010616027 A CN201010616027 A CN 201010616027A CN 102169125 A CN102169125 A CN 102169125A
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- data acquisition
- clamper
- sleeve
- acquisition unit
- marine riser
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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 marine riser acceleration monitoring signal pickup assembly.
Background technology
The general data collector has A/D conversion and acquisition function, promptly analog signal conversion is become digital signal, and signal is connected with PC by interface.Because the difference of acquired signal type, data acquisition unit need 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 big, and therefore, required frequency acquisition needs change according to the actual environment condition.The frequency of existing data acquisition is often preestablished 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
At the problems referred to above, the purpose of this invention is to provide a kind of marine riser acceleration monitoring signal pickup assembly that can effectively gather acceleration signal.
For achieving the above object, the present invention takes following technical scheme: a kind of marine riser acceleration monitoring signal pickup assembly 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, makes described clamper sleeve and described pipeline be tightened to one.
Described data acquisition storer comprises a data acquisition unit base plate, more than one 3-axis acceleration sensor plate, a power source conversion plate, a data acquisition unit top board, a keypad and a SD storage card; Described power source conversion plate 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 imported in the described data acquisition unit base plate and is handled, and described data acquisition unit base plate and described data acquisition unit top board and keypad carry out information interaction; Described data acquisition unit base plate is provided with the described SD storage card that is used to store the acceleration signal image data.
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 imported 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 Processing, is sent to respectively in described data acquisition storer top board and the keypad after the acceleration signal that receives is handled 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, makes clamper sleeve and pipeline be tightened to one.Therefore, the present invention can gather the marine riser acceleration signal effectively.2, the present invention can satisfy the demand of the acceleration signal collection of marine riser because the data acquisition unit base plate of data acquisition storer is provided with the SD storage card, and its memory capacity is big, and storage speed is fast.3, the present invention is because the data acquisition unit base plate of data acquisition storer is provided with the signal condition module of two four-ways, 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 an one-piece construction synoptic diagram of the present invention;
Fig. 2 is a 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 gathering the acceleration signal of marine riser in real time by being arranged on clamper sleeve 2 interior data acquisition storeies.
As shown in Figure 2, in the foregoing description, the data acquisition storer comprises a data acquisition unit base plate 6, a 3-axis acceleration sensor plate 7, a power source conversion plate 8, a data acquisition unit top board 9, a keypad 10 and a SD storage card 11.Power source conversion plate 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 handled 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 to store the acceleration signal image data of data acquisition unit base plate 6.
In the foregoing description, 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 imported 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 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 signal Processing, be sent to respectively in data acquisition storer top board 9 and the keypad 10 again.
In the foregoing description, 12 work of two four-way signal condition modules of analog switch 13 control are arranged, can realize that eight passages gather the acceleration signal of pipeline 5 simultaneously, make the sample frequency of data acquisition storer in 0.5～10Khz scope, to regulate.
In the various embodiments described above, the collection file create-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 corresponding space before starting sampling on SD storage card 11; Encrypt and gather 10% amount that file is pressed total sampling time, gather the density retention data of a secondary data according to per second.If adopt the mode starting outfit sampling of instant sampling, the data acquisition storer will give the document retaining space according to 180 days maximum operating time.
The various embodiments described above only are used to illustrate the present invention; the structure of each parts, size, the position is set 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. marine riser acceleration monitoring signal pickup assembly, 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, makes described clamper sleeve and described pipeline be tightened to one.
2. a kind of marine riser acceleration monitoring signal pickup assembly as claimed in claim 1 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 source conversion plate, a data acquisition unit top board, a keypad and a SD storage card; Described power source conversion plate 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 imported in the described data acquisition unit base plate and is handled, and described data acquisition unit base plate and described data acquisition unit top board and keypad carry out information interaction; Described data acquisition unit base plate is provided with the described SD storage card that is used to store the acceleration signal image data.
3. a kind of marine riser acceleration monitoring signal pickup assembly 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 imported 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 Processing, is sent to respectively in described data acquisition storer top board and the keypad after the acceleration signal that receives is handled successively.
4. as claim 2 or 3 described a kind of marine riser acceleration monitoring signal pickup assemblies, it is characterized in that: described keypad adopts RS232 serial ports and described data acquisition unit base plate to carry out information interaction.
5. as claim 1 or 2 or 3 described a kind of marine riser acceleration monitoring signal pickup assemblies, 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 marine riser acceleration monitoring signal pickup assembly 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN102169125A true CN102169125A (en) | 2011-08-31 |
| CN102169125B 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 (4)
| 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 |
| 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 (4)
| 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 |
| CN202033383U (en) * | 2010-12-30 | 2011-11-09 | 中国海洋石油总公司 | Marine riser acceleration monitoring signal acquisition device |
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| Publication number | Publication date |
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| CN102169125B (en) | 2013-05-29 |
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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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