CN202033035U - Conduction type inner wave measuring system - Google Patents
Conduction type inner wave measuring system Download PDFInfo
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- CN202033035U CN202033035U CN2011200732995U CN201120073299U CN202033035U CN 202033035 U CN202033035 U CN 202033035U CN 2011200732995 U CN2011200732995 U CN 2011200732995U CN 201120073299 U CN201120073299 U CN 201120073299U CN 202033035 U CN202033035 U CN 202033035U
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Abstract
The utility model relates to a conduction type inner wave measuring system, which is characterized by comprising a micro conduction sensor array used for detecting changes in conductivity in a flow field. The output end of the micro conduction sensor array is sequentially connected with a range switch, an amplifier, a conductivity/density converter, an analog/digital converter, a computer, and a real-time inner wave form display window; the range switch is used for automatically adjusting gains of the amplifier according to conductivity signals of the micro conduction sensor array; and the conductivity/density converter is used for conductivity signals of liquid into density signals, the density signals are further converted into digital signals by the analog/digital converter to be input into the computer, a complete real-time inner wave form is obtained through analysis and processing of inner wave signals by real-time processing software in the computer, and the complete real-time inner wave form is finally input into the real-time inner wave form display window to be displayed. The utility model has the advantages that the system has long recording time, high resolution, good synchronization and high reliability and is suitable for real-time measurement and analysis of inner waves in different density layers in tanks with different density layers.
Description
Technical field
The utility model relates to a kind of measuring system, particularly the conductivity type internal wave measuring system of analyzing about ripple real-time online measuring in a kind of high resolving power that can carry out on the room and time.
Background technology
In actual ocean, the temperature of seawater, salinity and density change the internal wave of ocean of sail body and offshore engineering structure safe operation in the water that can exert an influence thus with space and time.The stratified flow experimental tank is the major equipment of research internal wave of ocean characteristic, and wherein the simulation of interior wave-wave shape and measurement are the major technique conditions of research that experimentizes.For ripple test in the present widely used density stratification gutter channel, acquisition is one of gordian technique that realizes test with the interior ripple information of ocean structure object model load and motion related synchronization.The wave measurement technology mainly contains schlieren method and temperature method at present breadboard: the former utilizes schlieren photograph to obtain interior wave-wave graphic data after treatment, belongs to the off-line measurement mode; The latter adopts array of temperature sensor collecting temperature data, obtains temperature field feature over time, can be implemented in the synchro measure of line.Adopt above-mentioned technology can obtain to a certain extent in the information of wave-wave shape, as the interior wave-wave shape of each timing node, isothermal time history or the like.But because sample is limited, ripple and existed and lacks writing time and problem such as the aftertreatment workload is big from producing the complete procedure that disappears in schlieren method was difficult to obtain, and this method belongs to the off-line measurement mode, can not with other physical quantity synchro measures; The temperature rule only limits to the thermal stratification tank and uses, and exists resolution lower, problems such as signal lag.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides the conductivity type internal wave measuring system that the ripple real-time online measuring is analyzed in a kind of high resolving power that can carry out on the room and time.
For achieving the above object, the utility model is taked following technical scheme: a kind of conductivity type internal wave measuring system, it is characterized in that: it comprises that one is used for surveying the miniature conductivity sensor array that flow field internal conductance rate changes, and described miniature conductivity sensor array output end connects the real-time display window of wave-wave shape in a range switch, an amplifier, one conductivity/density converter, an A/D converter, the computing machine and successively; Described range switch is adjusted described Amplifier Gain automatically according to the conductivity signal of described miniature conductivity sensor array; Described conductivity/density converter is converted to density signal with the conductivity signal of liquid, further density signal is converted to digital signal by described A/D converter then and imports described computing machine, and, import the described interior real-time display window of wave-wave shape at last and show by the complete in real time interior wave-wave shape of interior ripple signal real-time processing software analyzing and processing acquisition in the described computing machine.
A described miniature conductivity sensor array output end calibrating installation in parallel, described calibrating installation is used for standard density liquid measuring system being checked before and after test.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, therefore the utility model can survey the variation of flow field internal conductance rate delicately owing to adopted miniature conductivity sensor array.2, the utility model can change with flow field density and carry out the automatic switchover of range owing to adopted the range automatic switching method, therefore raising effectively measuring accuracy.3, the utility model has been owing to adopted bus transfer, and the technical scheme that computer stored is handled not only realized the real-time online measuring of interior ripple, and writing time is long, and the big I of sample of signal is selected arbitrarily, so has guaranteed the integrality of interior wave-wave shape.4, the utility model can be checked system with standard density liquid before and after test at a miniature conductivity sensor array output end calibrating installation in parallel, has guaranteed the reliability and stability of interior wave measurement.As mentioned above, the utlity model has writing time long, resolution is high, synchronism reaches the reliability advantages of higher well, is applicable to the real-time Measurement and analysis of ripple in the different densities layer in the various density stratification tanks.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1, the utility model comprises a miniature conductivity sensor array 1, and miniature conductivity sensor array 1 output terminal connects the real-time display window 7 of wave-wave shape in a range switch 2, an amplifier 3, one conductivity/density converter 4, an A/D converter 5, the computing machine 6 and successively.Miniature conductivity sensor array 2 can be surveyed the variation of flow field internal conductance rate delicately.Range switch 2 is adjusted the gain of amplifier 3 automatically according to the conductivity signal of miniature conductivity sensor array 1.Conductivity/density converter 4 can be converted to density signal with the conductivity signal of liquid, further density signal is converted to digital signal input computing machine 6 by A/D converter 5 then, and by the complete in real time interior wave-wave shape of interior ripple signal real-time processing software analyzing and processing acquisition in the computing machine 6, the interior real-time display window 7 of wave-wave shape of input at last shows.
In the foregoing description, all right calibrating installation 8 in parallel of miniature conductivity sensor array 1 output terminal can be checked measuring system with standard density liquid before and after test, has improved the reliability of test effectively.
Principle of work of the present utility model is: when ripple is tested in carrying out the density stratification gutter channel, at first adopt calibrating installation 8 usefulness standard density liquid that measuring system is checked, with the reliability of checking system; Then miniature conductivity sensor array 1 is positioned in the density stratification gutter channel, in producing in the density stratification gutter channel during ripple, the density of inside, flow field can change, and the conductivity of inside micro conductivity sensor array 1 each position, flow field also changes thereupon simultaneously; The signal characteristic of the real-time collection analysis conductivity of measuring system, thereby the details of ripple in obtaining; Check the stability of checking measurements system with 8 pairs of measuring systems of calibrating installation more at last.
The utility model only describes with the foregoing description; the structure of each parts, the position is set and connects and 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 (2)
1. conductivity type internal wave measuring system, it is characterized in that: it comprises that one is used for surveying the miniature conductivity sensor array that flow field internal conductance rate changes, and described miniature conductivity sensor array output end connects the real-time display window of wave-wave shape in a range switch, an amplifier, one conductivity/density converter, an A/D converter, the computing machine and successively; Described range switch is adjusted described Amplifier Gain automatically according to the conductivity signal of described miniature conductivity sensor array; Described conductivity/density converter is converted to density signal with the conductivity signal of liquid, further density signal is converted to digital signal by described A/D converter then and imports described computing machine, and, import the described interior real-time display window of wave-wave shape at last and show by the complete in real time interior wave-wave shape of interior ripple signal real-time processing software analyzing and processing acquisition in the described computing machine.
2. conductivity type internal wave measuring system as claimed in claim 1 is characterized in that: a described miniature conductivity sensor array output end calibrating installation in parallel, described calibrating installation is used for standard density liquid measuring system being checked before and after test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200732995U CN202033035U (en) | 2011-03-18 | 2011-03-18 | Conduction type inner wave measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200732995U CN202033035U (en) | 2011-03-18 | 2011-03-18 | Conduction type inner wave measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033035U true CN202033035U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200732995U Expired - Lifetime CN202033035U (en) | 2011-03-18 | 2011-03-18 | Conduction type inner wave measuring system |
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| Country | Link |
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| CN (1) | CN202033035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175425A (en) * | 2011-03-18 | 2011-09-07 | 中国海洋石油总公司 | Electric conduction-type internal wave measurement system |
-
2011
- 2011-03-18 CN CN2011200732995U patent/CN202033035U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175425A (en) * | 2011-03-18 | 2011-09-07 | 中国海洋石油总公司 | Electric conduction-type internal wave measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Shanghai Jiao Tong University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Shanghai Jiao Tong University |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Shanghai Jiao Tong University Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Shanghai Jiao Tong University |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111109 |
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| CX01 | Expiry of patent term |