CN203116736U - Ocean observation flow velocity wave instrument - Google Patents
Ocean observation flow velocity wave instrument Download PDFInfo
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- CN203116736U CN203116736U CN 201320088425 CN201320088425U CN203116736U CN 203116736 U CN203116736 U CN 203116736U CN 201320088425 CN201320088425 CN 201320088425 CN 201320088425 U CN201320088425 U CN 201320088425U CN 203116736 U CN203116736 U CN 203116736U
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- transducer
- flow velocity
- wave signals
- acoustic signals
- echo signal
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Abstract
The utility model disclose an ocean observation flow velocity wave instrument, which comprises a first energy converter, at least three second energy converters, an emitter, a receiver, and a signal processor. According to the utility model, the first energy converter and the second energy converter respectively emit first sound wave signals and second sound wave signals respectively, and receive first back wave signals of the first sound wave signals and second back wave signals of the second sound wave signals; then the receiver magnifies the first back wave signals and the second back wave signals; and the signal processor processes the first back wave signals to obtain suspended silt density, and the second back wave signals to obtain wave height, period, and direction of the sea surface wave, and water flow velocity. Therefore, functions of an acoustic Doppler current profiler (ADCP), an acoustic backscatter suspended silt instrument (ABS), a wave gauge, and other instruments are integrated, so as to avoid the problems that the occupied space is large when a plurality of instruments work at the same time, and the interface data processing is cumbersome.
Description
Technical field
The utility model relates to for the oceanographic observation flow velocity wave instrument of measuring ocean current profile flow velocity, wave of the sea data, seawater suspension bed sediment concentration.
Background technology
It is the greatest factor that influences disasteies such as Global climate change and formation floods and droughts that the motion of ocean water body and the steam that takes place on the sea exchange, thus must constantly monitor OCEAN-CURRENT VARIATION, in order to grasp natural Changing Pattern at any time.Oil and gas development, Jian Gang, transportation, marine resources development activities such as seabed mineral exploitation also need to be grasped the secular variation rule of ocean current, to reduce construction costs, ensure offshore operation safety.The real-time measurement of ocean current and forecast are the keys that obtains marine Activities capsule information.
Wave is a kind of important ocean wave phenomenon, is one of ocean dynamics important component part, is the important step in the researchs such as seawater movement, the mixing of extra large gas and small scale ocean-atmosphere interaction.Study of sea wave has actual demand widely, and from security standpoint, all are marine movable closely related for it and marine transportation, marine oil, sea fishery, oceanographic engineering and military activity etc.; On the science angle, great scientific research project relationship such as it and the exchange of extra large gas, carbon cycle is tight.For safety, carry out the marine engineering construction economically, as oil drilling platform, must calculate wave to the acting force of various marine structures and analyze the vibration of deep water structure.
The increase of ocean development activity causes marine pollution aggravation, simultaneously because the destruction of forest, and the loss of water and soil, rivers bring a large amount of silt and pollutant again.In the construction of harbor work, navigation channel, water conservancy and all kinds of coastal ocean engineerings, silt migration and alluvial are one and are related to engineering key of success problem in the water.The rule of silt migration and alluvial is the prerequisite of effectively carrying out the comprehensive regulation in the correct grasp water.
Acoustic method is present unique three-dimensional flow and the flow direction that can measure different water layers under the condition of interference flowing field not continuously, in real time with for a long time, measure wave height, cycle and the direction of wave of the sea, measure the vertical distribution of suspended contaminant in the water and process over time thereof.At present, adopt acoustic method to what ocean current flow velocity, wave of the sea, water suspension were measured the outstanding husky measuring instrument (ABS) of scattering behind Doppler's acoustics fluid velocity profile instrument (ADCP), acoustics corrugated tracked instrument or ADCP wave firmware, the acoustics to be arranged respectively, each instrument is measured each physical quantity in the seawater respectively.Because the needs of acoustic measurement method, each appliance requires is arranged apart, needs volume spaced apart, shared just very big each other.In addition, the external communication interface of each instrument is also not exclusively the same, and data recording and transmission need have special equipment to handle, and have increased difficulty and the complexity handled.
Summary of the invention
The problem that the utility model solves is to need many instrument combination to measure the problem of ocean current profile flow velocity, wave of the sea data, seawater suspension bed sediment concentration.
For addressing the above problem, the utility model discloses a kind of oceanographic observation flow velocity wave instrument, and this wave instrument comprises transmitter, first transducer, at least three second transducers, receiver and signal processors.Described transmitter generation transmits and is used for measuring second of seawater velocity for first of measurement suspension bed sediment concentration and transmits.Described first transducer changes described first, and to transmit be first acoustic signals, receives also that each water layer reflects this first acoustic signals and the first echo signal that produces.Described at least three second transducers evenly distribute around first transducer, each second transducer departs from 10 °～30 ° of described first transducers, changing described second, to transmit be second acoustic signals, receives also that each water layer reflects this second acoustic signals and the second echo signal that produces.Described receiver amplifies described first echo signal or second echo signal.The first echo signal that described signal processor processes is amplified and obtain the concentration of suspension bed sediment is handled the second echo signal that amplifies and is obtained flow velocity and the sea wave data of seawater.
Alternatively, described first transducer is launched this first acoustic signals towards vertical direction, and the quantity of described second transducer is three and evenly distributes and be 120 ° with first transducer around described first transducer.
Alternatively, described first transducer is launched this first acoustic signals towards vertical direction, and the quantity of described second transducer is four and evenly distributes and constitute the Janus configuration around described first transducer.
Alternatively, described oceanographic observation flow velocity wave instrument also comprises barricade, and this barricade is arranged between the transmitter and receiver.
Compared with prior art, the utlity model has following advantage:
1, the utility model comprises first transducer, at least three second transducers, transmitter, receiver and signal processor, launch first acoustic signals and second acoustic signals respectively by first transducer and second transducer, also receive the first echo signal of first acoustic signals and the second echo signal of second acoustic signals, and amplify the first echo signal that is amplified by signal processor processes behind described first echo signal and the second echo signal and obtain the concentration of suspension bed sediment by receiver, the second echo signal that handle to amplify and obtain the wave height of wave of the sea, cycle and direction and flow rate of water flow, integrated Doppler's acoustics fluid velocity profile instrument (ADCP), the outstanding husky measuring instrument (ABS) of scattering behind the acoustics, the function of wave gauge instruments such as (Wave Gauge), need not measure these parameters respectively by multiple devices, and then, avoided a plurality of instruments shared volume of working simultaneously big, the loaded down with trivial details problem that interface data is handled.
2, owing to be provided with barricade, like this, guarantee not exist between the transmitter and receiver interference, guarantee measuring accuracy.
Description of drawings
Fig. 1 is the front elevation of the oceanographic observation flow velocity wave instrument of first embodiment;
Fig. 2 is the vertical view of oceanographic observation flow velocity wave instrument shown in Figure 1;
Fig. 3 is the vertical view of the oceanographic observation flow velocity wave instrument of second embodiment.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, being reached purpose and effect, described in detail below in conjunction with embodiment and conjunction with figs..
See also Fig. 1 and Fig. 2, the oceanographic observation flow velocity wave instrument of first embodiment comprises transmitter 1, first transducer 2, four second transducers 3, receiver 4 and signal processors 5.Described transmitter 1 is installed on the Stainless Steel Shell 6, and generation transmits and is used for measuring second of seawater velocity for first of measurement suspension bed sediment concentration and transmits.Described first transmits and second to transmit be voltage signal in the present embodiment.Described first transducer 2 is installed on the transducer head 7 that is positioned on the described Stainless Steel Shell 6, (Stainless Steel Shell 6 and transducer head 7 constitutes framed structures) conversion described first transmits is first acoustic signals, and launches this first acoustic signals towards vertical direction.In the present embodiment, this first acoustic signals sine pulse signal that is 500kHz.Because first acoustic signals of first transducer, 2 emissions is propagated at vertical direction, so, flow velocity wave instrument in the vertical direction of the present utility model can not have blocking of object, when described first acoustic signals is launched straight up, can not have object to block on the vertical direction.Described first acoustic signals is used for measuring the concentration of suspension bed sediment, and suspension bed sediment concentration is not only relevant with echo strength, and is also relevant with the size of on-the-spot silt diameter, so will obtain suspension bed sediment concentration, must carry out the demarcation of on-the-spot silt diameter.After described first acoustic signals of emission finished, first transducer 2 received that each water layer reflects this first acoustic signals and the first echo signal that produces.Described receiver 4 amplifies first echo signal.Described signal processor 5 is handled the first echo signal that amplifies and is obtained the concentration of suspension bed sediment, signal processor 5 is handled the first echo signal that amplifies can adopt prior art, such prior art can be: earlier the first echo signal that amplifies is sampled, then, corresponding relation by echo strength and suspension bed sediment concentration, by on-site proving, just can obtain each water layer suspension bed sediment concentration again.
Please continue to consult Fig. 1 and Fig. 2, described second transducer 3 evenly distributes and constitutes Janus around first transducer 2 and disposes, and like this, the projection of second acoustic signals in surface level of four second transducers 3 is mutually 90 °.The angle [alpha] that each second transducer 3 departs from described first transducer 2 is 10 °～30 °, such as 10 °, 11 °, 13 °, 15 °, 16 °, 18 °, 20 °, 22 °, 24 °, 25 °, 27 °, 29 ° or 30 °, it is second acoustic signals that each second transducer, 3 conversion described second transmits, and launch second acoustic signals to the sea, in the present embodiment, be that emission 300kHz is by the sine pulse signal of pseudo-random code modulation, emission receives the second echo signal by different water layer scatterings after finishing again.Described receiver 4 amplifies this second echo signal.The second echo signal of 5 pairs of these amplifications of described signal processor carries out the complex covariance computing, obtains the Doppler frequency deviation of different water layers, obtains the flow rate of water flow of different water layers; Then, the echo time of four wave beams by four second transducers 3 or the flow velocity of each layer current just can obtain sea wave data by surface tracking method or flow velocity cell matrix method, and sea wave data comprises wave height, cycle and the direction of wave of the sea.
In sum, the utility model can obtain wave height, cycle and direction, flow rate of water flow and the suspension bed sediment concentration of wave of the sea by an equipment, so, the function of the outstanding husky measuring instrument (ABS) of scattering, wave gauge instruments such as (Wave Gauge) behind Doppler's acoustics fluid velocity profile instrument (ADCP), the acoustics that this oceanographic observation flow velocity wave instrument is integrated, need not measure these parameters respectively by multiple devices, and then, avoided a plurality of instruments shared volume of working simultaneously big, the loaded down with trivial details problem that interface data is handled.
Please continue to consult Fig. 1, oceanographic observation flow velocity wave instrument of the present utility model also comprises barricade 8, power brick 9 and power processor 10, this barricade 8 is arranged between transmitter 1 and the receiver 4 and transmitter 1 and receiver 4 is separated, like this, because there is not the precision of disturbing and guaranteeing to measure in the shielding action of barricade 8 between transmitter 1 and the receiver 4.Described power brick 9 is the power supply of the utility model wave instrument.Described power processor 10 can be adjusted the output voltage of power brick 9, and then transmitter 1 can produce first of different amplitudes and transmit and second transmit.
See also Fig. 3, the utility model also discloses another kind of oceanographic observation flow velocity wave instrument, this wave instrument is compared with the wave instrument of first embodiment: the quantity of second transducer 3 is three, evenly distribute and be 120 ° with first transducer 2 around described first transducer 2, the wave instrument of this kind mode also has the advantage of the wave instrument of first embodiment, and unique difference is that precision is lower than the wave instrument of first embodiment.
In above-mentioned first embodiment and second embodiment, first transducer, 2 in the vertical directions are launched first acoustic signals, so, the laying of oceanographic observation flow velocity wave instrument of first embodiment and second embodiment should be vertical with surface level, if out of plumb, the aftertreatment data must utilize attitude sensor to proofread and correct, to guarantee the one-to-one relationship of layering echoed signal and water layer.
Claims (4)
1. oceanographic observation flow velocity wave instrument, it is characterized in that: this wave instrument comprises transmitter, first transducer, at least three second transducers, receiver and signal processors, wherein,
Described transmitter generation transmits and is used for measuring second of seawater velocity for first of measurement suspension bed sediment concentration and transmits;
Described first transducer changes described first, and to transmit be first acoustic signals, receives also that each water layer reflects this first acoustic signals and the first echo signal that produces;
Described at least three second transducers evenly distribute around first transducer, each second transducer departs from 10 °～30 ° of described first transducers, changing described second, to transmit be second acoustic signals, receives also that each water layer reflects this second acoustic signals and the second echo signal that produces;
Described receiver amplifies described first echo signal or second echo signal;
The first echo signal that described signal processor processes is amplified and obtain the concentration of suspension bed sediment is handled the second echo signal that amplifies and is obtained flow velocity and the sea wave data of seawater.
2. oceanographic observation flow velocity wave instrument according to claim 1, it is characterized in that: described first transducer is launched this first acoustic signals towards vertical direction, and the quantity of described second transducer is three and evenly distributes and be 120 ° with first transducer around described first transducer.
3. oceanographic observation flow velocity wave instrument according to claim 1, it is characterized in that: described first transducer is launched this first acoustic signals towards vertical direction, and the quantity of described second transducer is four and evenly distributes and constitute the Janus configuration around described first transducer.
4. according to claim 2 or 3 described oceanographic observation flow velocity wave instrument, it is characterized in that: described oceanographic observation flow velocity wave instrument also comprises barricade, and this barricade is arranged between the transmitter and receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088425 CN203116736U (en) | 2013-02-27 | 2013-02-27 | Ocean observation flow velocity wave instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320088425 CN203116736U (en) | 2013-02-27 | 2013-02-27 | Ocean observation flow velocity wave instrument |
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| CN203116736U true CN203116736U (en) | 2013-08-07 |
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| CN 201320088425 Expired - Fee Related CN203116736U (en) | 2013-02-27 | 2013-02-27 | Ocean observation flow velocity wave instrument |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486487A (en) * | 2015-12-31 | 2016-04-13 | 交通运输部天津水运工程科学研究所 | Wave detection system |
| CN107764248A (en) * | 2017-12-05 | 2018-03-06 | 山东省科学院海洋仪器仪表研究所 | A kind of acoustic wave tide measuring instrument and measuring method |
| CN110850764A (en) * | 2019-11-04 | 2020-02-28 | 南宁师范大学 | Intelligent refined management platform for marine ranching |
| US11333757B2 (en) | 2018-02-02 | 2022-05-17 | Teledyne Instruments, Inc. | Acoustic phased array with reduced beam angle |
-
2013
- 2013-02-27 CN CN 201320088425 patent/CN203116736U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486487A (en) * | 2015-12-31 | 2016-04-13 | 交通运输部天津水运工程科学研究所 | Wave detection system |
| CN107764248A (en) * | 2017-12-05 | 2018-03-06 | 山东省科学院海洋仪器仪表研究所 | A kind of acoustic wave tide measuring instrument and measuring method |
| US11333757B2 (en) | 2018-02-02 | 2022-05-17 | Teledyne Instruments, Inc. | Acoustic phased array with reduced beam angle |
| CN110850764A (en) * | 2019-11-04 | 2020-02-28 | 南宁师范大学 | Intelligent refined management platform for marine ranching |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20150227 |
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| EXPY | Termination of patent right or utility model |