CN202033383U - Marine riser acceleration monitoring signal acquisition device - Google Patents
Marine riser acceleration monitoring signal acquisition device Download PDFInfo
- Publication number
- CN202033383U CN202033383U CN 201020691585 CN201020691585U CN202033383U CN 202033383 U CN202033383 U CN 202033383U CN 201020691585 CN201020691585 CN 201020691585 CN 201020691585 U CN201020691585 U CN 201020691585U CN 202033383 U CN202033383 U CN 202033383U
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- China
- Prior art keywords
- data acquisition
- marine riser
- clamper
- acquisition unit
- sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a marine riser acceleration monitoring signal acquisition device, which comprises a seal sleeve, a clamp sleeve, a clamp steel frame, a plurality of clamp steel strips and a data acquisition storage unit. The data acquisition storage unit is sealed in the seal sleeve, the seal sleeve is arranged in the clamp sleeve, the clamp sleeve is fixedly arranged on a pipeline of a marine riser through the clamp steel frame, and the clamp steel frame is bound on the pipeline through the clamp steel strips so that the clamp sleeve and the pipeline are fastened integrally. Since the data acquisition storage unit is sealed in the seal sleeve and arranged in the clamp sleeve which is fixedly arranged on the pipeline of the marine riser through the clamp steel frame and the clamp steel strips, the clamp sleeve and the pipeline are fastened integrally. The marine riser acceleration monitoring signal acquisition device can be used for effectively acquiring acceleration signals of the marine riser, and can be widely applied to signal acquisition of submarine risers.
Description
Technical field
The utility model 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 utility model provides a kind of marine riser acceleration monitoring signal pickup assembly that can effectively gather acceleration signal.
For achieving the above object, the utility model is taked 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 utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model 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 utility model can be gathered the marine riser acceleration signal effectively.2, the utility model 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 utility model 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 utility model 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 utility model;
Fig. 2 is a data acquisition memory construction synoptic diagram of the present utility model.
Embodiment
Be described in detail of the present utility model below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model comprises 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 utility model; the structure of each parts, size, the position is set and shape all can change to some extent; on the basis of technical solutions of the utility model; all improvement and equivalents of individual component being carried out according to the utility model principle all should not got rid of outside protection domain of the present utility model.
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. 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. 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 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 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. marine riser acceleration monitoring signal pickup assembly as claimed in claim 4 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 201020691585 CN202033383U (en) | 2010-12-30 | 2010-12-30 | Marine riser acceleration monitoring signal acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020691585 CN202033383U (en) | 2010-12-30 | 2010-12-30 | Marine riser acceleration monitoring signal acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033383U true CN202033383U (en) | 2011-11-09 |
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ID=44895676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020691585 Expired - Lifetime CN202033383U (en) | 2010-12-30 | 2010-12-30 | Marine riser acceleration monitoring signal acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169125A (en) * | 2010-12-30 | 2011-08-31 | 中国海洋石油总公司 | Device for acquiring acceleration monitoring signal of marine riser |
| WO2016095236A1 (en) * | 2014-12-17 | 2016-06-23 | 苏州宝润电子科技有限公司 | Pipeline structure stress and fatigue monitoring method |
| CN114390040A (en) * | 2021-12-06 | 2022-04-22 | 海洋石油工程股份有限公司 | Method for reading stored data of underwater data collector |
-
2010
- 2010-12-30 CN CN 201020691585 patent/CN202033383U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169125A (en) * | 2010-12-30 | 2011-08-31 | 中国海洋石油总公司 | Device for acquiring acceleration monitoring signal of marine riser |
| WO2016095236A1 (en) * | 2014-12-17 | 2016-06-23 | 苏州宝润电子科技有限公司 | Pipeline structure stress and fatigue monitoring method |
| CN114390040A (en) * | 2021-12-06 | 2022-04-22 | 海洋石油工程股份有限公司 | Method for reading stored data of underwater data collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20130529 |
|
| RGAV | Abandon patent right to avoid regrant |