CN206627477U - Low-and high-frequency sediment parameter measurement instrument - Google Patents
Low-and high-frequency sediment parameter measurement instrument Download PDFInfo
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- CN206627477U CN206627477U CN201720195232.6U CN201720195232U CN206627477U CN 206627477 U CN206627477 U CN 206627477U CN 201720195232 U CN201720195232 U CN 201720195232U CN 206627477 U CN206627477 U CN 206627477U
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Abstract
The utility model discloses a kind of low-and high-frequency sediment parameter measurement instrument, including measuring instrument body and host computer, the top of the measuring instrument body is provided with release binding mechanism, and the bottom of measuring instrument body is provided with pressure switch, underwater sound acoustic velocity measutement module, reflecting plate, high frequency transceiver transducer and low frequency transceiver transducer；Processor circuit plate module, wire and velocity sensor are provided with measuring instrument body, data storage cell is provided with processor circuit plate module, pressure switch, underwater sound acoustic velocity measutement module, high frequency transceiver transducer, low frequency transceiver transducer and velocity sensor are connected by wire with processor circuit plate module respectively, data storage cell completes data transfer by wireline cable or radio communication with host computer, and host computer internal memory contains ground acoustic model storehouse.The continuity of gathered data can be realized using the utility model, improves the accuracy of measurement.
Description
Technical field
The utility model belongs to sediment Research of Acoustic technical field, more particularly to a kind of low-and high-frequency sediment
Parameter measurement instrument.
Background technology
In the means for the various detection oceans that the mankind have grasped, acoustic method is still one and most effectively detects hand
Section.The lower boundary that seabed is propagated in the seawater as sound wave, the influence to sound field is huge, therefore, understands and obtains sediment
Acoustic characteristic be solve underwateracoustic propagation problem key factor.
Current more methods using remote sensing obtain the topography and geomorphology and sediment parameter in seabed, but remote sensing technology obtains
Data be historical data, the data not measured in real time are significant and convincingness.Currently to the real-time survey of sediment parameter
Amount is usually to use submarine sampling, and is measured in laboratory, and lab measurements are then adapted to in-site measurement value
Method.The sample length of wherein submarine sampling is usually no more than 30cm, and is typically obtained using gravity core, and as much as possible
Reduce error caused by sampling disturbance.There are many shortcomings in this method measured in real time, for example, the company in seabed can not be obtained
Continuous data, the data of discrete point can only be obtained；Sample is easily washed away by seawater and loses original appearance, while is lost original
Pressure, the environmental condition such as temperature；This method wastes time and energy, and is limited by sea conditions, (the Ru Huagang when sediment is very hard
Rock and basalt substrate) it is not easy to obtain sample.
As can be seen here, prior art is up for further improving.
Utility model content
The utility model is to avoid above-mentioned the shortcomings of the prior art part, there is provided a kind of low-and high-frequency sediment ginseng
Number measuring instrument, to realize the continuity of gathered data, improves the accuracy of measurement.
Technical scheme is used by the utility model：
Low-and high-frequency sediment parameter measurement instrument, including measuring instrument body and host computer, the top of the measuring instrument body
Release binding mechanism is provided with, the bottom of measuring instrument body is provided with pressure switch, underwater sound acoustic velocity measutement module, reflecting plate, height
Frequency transceiver transducer and low frequency transceiver transducer, underwater sound acoustic velocity measutement module are used to launch and receive sound wave, instead
Penetrate plate be used for reflect from underwater sound acoustic velocity measutement module sound wave, high frequency transceiver transducer is for launching high frequency sound wave and connect
High frequency sound wave of the reflection from substrate is received, low frequency transceiver transducer is used to launch low-frequency sound wave and receives reflection from the low of substrate
Frequency sound wave；Processor circuit plate module, wire and velocity sensor are provided with measuring instrument body, in processor circuit plate module
It is provided with data storage cell, pressure switch, underwater sound acoustic velocity measutement module, high frequency transceiver transducer, low frequency transceiver
Transducer and velocity sensor are connected by wire with processor circuit plate module respectively, and data storage cell passes through wired line
Cable or radio communication complete data transfer with host computer, and host computer internal memory contains ground acoustic model storehouse.
The low-and high-frequency sediment parameter measurement instrument is recovery type low-and high-frequency sediment parameter measurement instrument, the recovery type
Low-and high-frequency sediment parameter measurement instrument includes ship and the spooling gear being arranged on ship, and the release binding mechanism passes through
Hawser is connected with spooling gear.
The low-and high-frequency sediment parameter measurement instrument is deserted low-and high-frequency sediment parameter measurement instrument, and this is deserted
Low-and high-frequency sediment parameter measurement instrument includes floating body, and floating body is connected with release binding mechanism, and data are provided with the floating body
Memory module, data memory module and processor circuit plate module communicate to connect, and data memory module by wireline cable with
Host computer completes data transfer.
Battery module is additionally provided with the measuring instrument body, the processor circuit plate module is connected with battery module.
The bottom of the measuring instrument body is additionally provided with polylith skirtboard.
The release binding mechanism includes the release, motor and the underwater acoustic transducer that are sequentially connected, motor respectively with release
Device, underwater acoustic transducer are connected, and underwater acoustic transducer is connected with processor circuit plate module, the action of motor control release.
The top of the measuring instrument body is additionally provided with external cabling mouth, and external cabling mouth passes through wire and processor circuit
Plate module is connected, and measuring instrument body completes the order between host computer or the transmission of data by external cabling port transmission.
Bluetooth module is additionally provided with the measuring instrument body, bluetooth module passes through wire and the processor circuit template die
Block is connected, and measuring instrument body completes the order between host computer or the biography of data by bluetooth module wireless communication transmission
It is defeated.
Ground acoustic model storehouse in the host computer includes Hamilton viscoelastic modes, Biot-stoll models,
Buckingham VGS models and Chotiros-Isakson BICSQS models.
By adopting the above-described technical solution, having the beneficial effect that acquired by the utility model：
1st, each parameter of sediment in tested marine site can be measured in real time using the utility model, overcome traditional remote sensing
The shortcomings that measurement and collection sediment sample method and deficiency, can obtain the continuous data in seabed, obtain continuous data,
Reliability is high.
2nd, the measuring instrument body in the utility model can both calculate the base of sediment in real time according to the data measured
This parameter, the data collected can also be imported in host computer the analysis and processing for carrying out data, obtained at careful analysis
Manage result and more vivid visual image result.
3rd, the utility model occupation mode is flexible and changeable, can use recovery type or use deserted, Ke Yiman
The various demands of sufficient different application.
4th, the utility model uses two kinds of communication functions, to meet the needs of different.In recovery type occupation mode, both may be used
So that by there is cable connection, the transmission of data and order can also be carried out by bluetooth connection host computer and measuring instrument body；Throwing
When abandoning formula occupation mode, measuring instrument body can cable connects measuring instrument body and floating body carries out data transmission by having.This practicality
New communication function fully meet it is various under the conditions of use demand.
5th, the host computer in the utility model is powerful, can utilize existing ground acoustic mode according to the data that measurement obtains
Type carries out the analysis and processing of data, can also be according to actual conditions from the analysis for editing ground acoustic model or formula progress data
Reason, finally export man-machine interface interactivity preferably visualization result.
Brief description of the drawings
Fig. 1 is the structure diagram of measuring instrument body in the utility model.
Fig. 2 is the structure letter of recovery type low-and high-frequency sediment parameter measurement instrument (removing host computer) in the utility model
Figure.
Fig. 3 is the structure letter of deserted low-and high-frequency sediment parameter measurement instrument (removing host computer) in the utility model
Figure.
Fig. 4 is that sediment parameter is measured using the low-and high-frequency sediment parameter measurement instrument in the utility model
Schematic diagram.
Wherein,
1st, measuring instrument body 2, external cabling mouth 3, wire 4, release binding mechanism 5, motor 6, underwater acoustic transducer
7th, processor circuit plate module 8, battery module 9, underwater sound acoustic velocity measutement module 10, reflecting plate 11, bluetooth communication module
12nd, pressure switch 13, high frequency transceiver transducer 14, low frequency transceiver transducer 15, skirtboard 16, spooling gear
17th, hawser 18, fixed pulley 19, wheel disc 20, fixed support 21, floating body 22, data memory module
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the utility model
It is not limited to these embodiments.
As shown in figure 1, low-and high-frequency sediment parameter measurement instrument, including measuring instrument body 1 and host computer, the measuring instrument
The top of body 1 is provided with release binding mechanism 4.It is described release binding mechanism 4 include be sequentially connected release, motor 5 and
Underwater acoustic transducer 6, motor 5 are connected with release, underwater acoustic transducer 6 respectively, underwater acoustic transducer 6 and following processor circuit template dies
Block 7 is connected, the action of the control release device of motor 5.
The bottom of the measuring instrument body 1 is provided with pressure switch 12, underwater sound acoustic velocity measutement module 9, reflecting plate 10, high frequency
Transceiver transducer 13 and low frequency transceiver transducer 14, underwater sound acoustic velocity measutement module 9 are used to launch and receive sound wave,
Reflecting plate 10 is used to reflect the sound wave from underwater sound acoustic velocity measutement module 9, and high frequency transceiver transducer 13 is used to launch high frequency
Sound wave simultaneously receives high frequency sound wave of the reflection from substrate, and low frequency transceiver ring energy device 14 is used to launch low-frequency sound wave and receives reflection
From the low-frequency sound wave of substrate.
The high frequency transceiver transducer 13 is in same height with low frequency transceiver transducer 14 on locus
Opening position is spent, i.e., both are equal apart from the vertical range of each layer substrate in seabed.
Processor circuit plate module 7, wire 3 and velocity sensor, processor circuit are provided with the measuring instrument body 1
Data storage cell, pressure switch 12, underwater sound acoustic velocity measutement module 9, high frequency transceiver transducer are provided with plate module 7
13rd, low frequency transceiver transducer 14 and velocity sensor are connected by wire 3 with processor circuit plate module 7 respectively, number
Data transfer is completed with host computer by wireline cable or radio communication according to memory cell.
Battery module 8, the processor circuit plate module 7 and the phase of battery module 8 are additionally provided with the measuring instrument body 1
Even.
The top of the measuring instrument body 1 is additionally provided with external cabling mouth 2, and external cabling mouth 2 passes through wire 3 and processor
Circuit board module 7 is connected, and measuring instrument body 1 is transmitted order or data between host computer by external cabling mouth 2
Transmission.
In addition, being additionally provided with bluetooth module 11 in the measuring instrument body 1, bluetooth module 11 passes through wire 3 and the place
Manage device circuit board module 7 to be connected, measuring instrument body 1 is transmitted order or number between host computer by bluetooth module 11
According to transmission.
The bottom of the measuring instrument body 1 is additionally provided with polylith skirtboard 15, to ensure the center of gravity of whole measuring instrument body 1
Downwards.
The host computer internal memory contains ground acoustic model storehouse.Ground acoustic model storehouse in the host computer includes Hamilton viscoelastics
Model, Biot-stoll models, Buckingham VGS models and Chotiros-Isakson BICSQS models.
On the earth's crust in seabed, the sedimentary of one layer or the non-nodule state of multilayer, seawater and submarine sedimentary strata are covered with
Interface shows, generally, shallow sea continental shelf belongs to the high velocity of sound there is a seabed interface according to existing historical data
Seabed (the substrate velocity of sound>Sound velocity in seawater), absmal deposit layer belongs to fast seabed (the substrate velocity of sound in a low voice<Sound velocity in seawater).
The utility model is using propagation attenuation of the acoustic propagation in measurement process and passes through experiment or historical data determines
Acoustic propagation decay and substrate composition correspond to form, to calculate analysis sediment parameter, (substrate composition forms and substrate layer
It is thick), and can import data in host computer and utilize existing ripe ground acoustic model or user can be according to actual measurement
The situation in marine site is come to carry out further refinement analysis to sediment and delamination from editor's self-defined ground acoustic model or formula
Processing, and show visual result.Wherein, high frequency transceiver transducer 13 is together with removing low frequency transceiver in measuring instrument
Each part beyond transducer 14 together, mainly carries out accurately measurement (height to several meters of the superiors of deposit in sediment
Frequency is decayed seriously, the main upper strata for measuring sediment layering).Low frequency transceiver transducer 14 removes high frequency together with measuring instrument
Together, substantially measurement is carried out to sediment, and (low cut is slow, and fathom ratio for each part beyond transceiver transducer 13
High frequency is deep).
As shown in Fig. 2 Fig. 2 shows one of embodiment of the present utility model, the low-and high-frequency seabed in the embodiment
Substrate parameter measurement instrument is recovery type low-and high-frequency sediment parameter measurement instrument, the recovery type low-and high-frequency sediment parameter measurement
Instrument includes ship and the spooling gear 16 being arranged on ship, and the release binding mechanism 4 passes through hawser 17 and spooling gear 16
It is connected.
The spooling gear 16 includes hawser 17, fixed pulley 18, wheel disc 19 and for wheel disc 19 to be fixed on ship
Whole spooling gear 16 is fixed on ship by fixed support 20, fixed support 20.Release binding mechanism 4 is connected with hawser 17,
Changed course of the hawser 17 successively through multiple fixed pulleys 18 carries out the folding and unfolding of hawser 17 by wheel disc 19, wheel disc 19 is logical around to wheel disc 19
Cross folding and unfolding hawser 17 and control fathoming for measuring instrument body.
In use, measuring instrument body 1 is connected on ship by spooling gear 16, measuring instrument body 1 is discharged into and leaned on
Near Sea Bottom it is underwater, after pressure switch 12 bears certain pressure under water, pressure switch 12 is opened, measuring instrument body 1 start into
Row measurement, measuring instrument body 1 move with ship, the sediment parameter below surveying vessel ship motion and record data.Survey
After amount terminates, measuring instrument body 1 is withdrawn by spooling gear 16, measuring instrument body 1 is passed through into wire cable or wireless blue tooth
Transmit data, import data in host computer using or be further processed.
As shown in figure 3, Fig. 3 shows another embodiment of the present utility model, the low-and high-frequency seabed in the embodiment
Substrate parameter measurement instrument is deserted low-and high-frequency sediment parameter measurement instrument, the deserted low-and high-frequency sediment parameter measurement
Instrument includes floating body 21, and floating body 21 is connected with release binding mechanism 4, and data memory module 22, data are provided with the floating body 21
Memory module 22 communicates to connect with processor circuit plate module 7, and data memory module 22 is complete with host computer by wireline cable
Into data transfer.
The deserted low-and high-frequency sediment parameter measurement instrument is mainly severe in sea conditions, can not complete measuring instrument sheet
Used during the recovery operation of body 1, measuring instrument body 1 can coordinate floating body 21 to carry out deserted effect.
In use, the floating body 21 with data memory module 22 is connected to measuring instrument body 1 by discharging binding mechanism 4
On, and row data communication is entered by the external cabling mouth 2 of wire cable connection floating body 21 and measuring instrument body 1.In application process,
Directly the measuring instrument body 1 with floating body 21 can be put into the sea area for needing to measure, measuring instrument body 1 sinks,
Pressure switch 12 is opened in the presence of outside static pressure, when velocity sensor detects that the subsidence velocity of measuring instrument body 1 is
When zero, it may be determined that measuring instrument body 1 bottoms out, and measuring instrument body 1 starts measurement and the data for recording completion are passed through into wired line
Cable is transferred in the data memory module 22 of floating body 21, and triggering release binding mechanism 4 discharges floating body 21, floating body 21 after being transmitted
Rise in the presence of buoyancy, and depart from the external cabling mouth 2 on measuring instrument body 1, floating body 21 is risen to after sea, is made
User can set by color eye-catching on floating body 21 (being easily at sea found as red) or on floating body 21 and can dodge
Bright warning lamp is timely salvaged to floating body 21.Floating body 21 can be connected upper by wireline cable after the completion of salvaging
Machine, the data collected are imported in host computer to the analyzing and processing for using or carrying out next step.
As shown in figure 4, below to being surveyed using the low-and high-frequency sediment parameter in the utility model by taking Tipple Bottom matter as an example
The substantially process of amount instrument measurement sediment parameter illustrates：
One is established as shown in following table by historical data or experimental data, marine field propagation loss TL,
The corresponding table of substrate composition and substrate velocity of sound cpr, each substrate composition in ocean, the historical data or experiment number are determined to follow-up
It is customized from editing according to the situation that can measure marine site according to reality by existing ground acoustic model in host computer or user
Ground acoustic model or formula are analyzed and processed to obtain to sediment composition.
| Bottom type | rho | cpr | cpi | csr | csi | TL |
| Mud | 1.4 | 0.99*Cw | -0.002*Cw | 0.1*cpr | -0.004*Cw | -0.006*Cw |
| It is husky | 2.0 | 1.2*Cw | -0.005*Cw | 0.3*cpr | -0.07*Cw | -0.075*Cw |
| Limestone | 2.4 | 2.7*Cw | -0.004*Cw | 0.6*cpr | -0.003*Cw | -0.007*Cw |
| Basalt | 2.7 | 3.4*Cw | -0.006*Cw | 0.6*cpr | -0.006*Cw | -0.012*Cw |
Certainly, there is density ratio rho (rhos of the propagation loss TL with corresponding substrate composition in above-mentioned corresponding table>0), squeeze
Pressure decay cpi is (meter per second, cpi<0) speed of sound csr (meter per second, csr, are sheared>0, typically<0.6), shearing decay csi
(meter per second, csi<0) corresponding relation between, so as to which after each layer substrate composition is subsequently determined, each layer substrate can be obtained by tabling look-up
Relevant parameter.
Measuring instrument body 1 is put into marine site to be measured, pressure switch 12 is opened in the presence of outside static pressure under water, when
When the subsidence velocity for the measuring instrument body 1 that velocity sensor detects is zero, measuring instrument body 1 starts measurement and record data.
Using time leap technology measurement underwater sound velocity of sound Cw, i.e. matching somebody with somebody using underwater sound acoustic velocity measutement module 9 and reflecting plate 10
Close measurement velocity of sound Cw, calculation formula is：
Wherein, LWater is surveyedThe distance between refer to from underwater sound acoustic velocity measutement module 9 to reflecting plate 10, tWater is surveyedRefer to from the underwater sound
Acoustic velocity measutement module 9 sends sound wave and started to the time for receiving reflecting plate 10 for the first time and reflecting sound wave.
The distance between the upper interface of high and low frequency transceiver transducer and first layer substrate L0 waterCalculating：Because high and low
The distance between upper interface of frequency transceiver transducer and first layer substrate is not very big, so the propagation in the segment distance
Loss is ignored, L0 waterCalculation formula be：
L0 water=(Cw×t0 water)/2
Wherein, CwFor the above-mentioned velocity of sound measured, t0 waterFor high frequency transceiver transducer 13 or low frequency transceiver transducing
Device 14 is from sound wave is sent to the time for receiving the sound wave returned by the upper bound surface launching of first layer substrate for the first time.
The determination of first layer substrate composition：The sound source level intensity sent from high and low frequency transceiver transducer is Xdb, sound
Ripple is from being issued to through first layer substrate upper surface, run into original route after first layer substrate lower surface and return to high and low frequency transmitting-receiving
Integral transducer, the intensity received are Y1Db, then the propagation loss TL in first layer substrate1=(X-Y1)/2, calculate propagation
Lose TL1Afterwards, first layer substrate is determined according to above-mentioned propagation loss TL, substrate composition and the substrate velocity of sound cpr corresponding table
Composition, and obtain the substrate velocity of sound cpr of first layer substrate1 bottom。
Assuming that the propagation loss TL being calculated1For -0.006Cw+ threshold value≤TL1≤-0.006Cw- threshold value, according to above-mentioned
Form can determine that first layer substrate composition is mud, corresponding substrate velocity of sound cpr1 bottomFor 0.99Cw。
The principle that above-mentioned substrate composition determines is：According to sonar equation SL-2TL+TS-NL+DI=DT, wherein, SL is
Sound source level (is launched, therefore known to its intensity) by high and low frequency transceiver transducer, and TS- target strengths (are ignored), NL- noises
Level (ignoring), DI- receive directive property (ignoring), and DT refers to the detection that high and low frequency transceiver transducer n-th receives direct wave
Value.Therefore above-mentioned sonar equation can be reduced to：SL-2TL=DT, so as to obtain
The calculating of first layer substrate thickness：The distance between interface and lower interface are L on first layer substrate1 bottom, i.e. first layer
The thickness of substrate is L1 bottom, in measurement high and low frequency transceiver transducer to the distance at interface under first layer substrate be L0 water+L1 bottom,
Then have：
Wherein, t1 bottomFor high and low frequency transceiver transducer receive from sound wave is sent, pass through first layer substrate to sound wave
Upper interface, to the time for running into interface under first layer substrate and being reflected back high and low frequency transceiver transducer.
The determination of second layer substrate composition：The sound source level intensity sent from high and low frequency transceiver transducer is Xdb, sound
Ripple continues across interface on the second layer from being issued to through first layer substrate upper surface, lower interface, runs into second layer substrate following table
Original route returns to high and low frequency transceiver transducer after face, and the intensity received is Y2Db, the then propagation in second layer substrate
LossCalculate propagation loss TL in the second layer2Afterwards, according to above-mentioned propagation loss TL, substrate composition with
And substrate velocity of sound cpr corresponding table determines the composition of second layer substrate, and obtain the substrate velocity of sound cpr of second layer substrate2 bottoms。
Assuming that the propagation loss TL being calculated2For -0.075Cw+ threshold value≤TL2≤-0.075Cw- threshold value, according to above-mentioned
Form can determine second layer substrate composition for sand, corresponding second layer substrate velocity of sound cpr2 bottomsFor 1.2Cw。
The calculating of second layer substrate thickness：The distance between interface and lower interface are L on second layer substrate2 bottoms, i.e. the second layer
Substrate thickness is L2 bottoms, in measurement high and low frequency transceiver transducer to the distance at interface under second layer substrate be L0 water+L1 bottom+
L2 bottoms, then have：
Wherein, t2 bottomsFor high and low frequency transceiver transducer receive from sound wave is sent, pass through first layer substrate to sound wave
Interface under upper interface, first layer substrate, interface on second layer substrate, run into interface original route under second layer substrate be reflected back it is high,
The time of low frequency transceiver transducer.
The determination of third layer substrate composition：The sound source level intensity sent from high and low frequency transceiver transducer is Xdb, sound
Ripple interface, lower interface on second layer substrate, continues across third layer from being issued to through first layer substrate upper surface, lower interface
Interface on substrate, original route returns to high and low frequency transceiver transducer after running into third layer substrate lower surface, and what is received is strong
Spend for Y3Db, the then propagation loss in third layer substrateCalculate propagation loss in third layer
TL3Afterwards, the composition of third layer substrate is determined according to above-mentioned propagation loss TL, substrate composition and the substrate velocity of sound cpr corresponding table,
And obtain the substrate velocity of sound cpr of third layer substrate3 bottoms。
Assuming that the propagation loss TL being calculated3For -0.007Cw+ threshold value≤TL2≤-0.007Cw- threshold value, according to above-mentioned
Form can determine that third layer substrate composition is limestone, corresponding third layer substrate velocity of sound cpr3 bottomsFor 2.7Cw。
The calculating of third layer substrate thickness：The distance between interface and lower interface are L on third layer substrate3 bottoms, i.e. third layer
Substrate thickness is L3 bottoms, in measurement high and low frequency transceiver transducer to the distance at interface under third layer substrate be L0 water+L1 bottom+
L2 bottoms+L3 bottoms, then have：
Wherein, t3 bottomsFor high and low frequency transceiver transducer receive from sound wave is sent, pass through first layer substrate to sound wave
Interface under upper interface, first layer substrate, interface under interface, second of substrate, interface on third layer substrate on second layer substrate, meet
The time of high and low frequency transceiver transducer is reflected back to interface original route under third layer substrate.
Only the composition of Tipple Bottom matter is determined for said process and thickness is enumerated, certainly, the utility model and not only
The calculating of Tipple Bottom matter is limited only to, can also be four layers, five layers, six layers ... N layers.
The determination of n-th layer substrate composition：The sound source level intensity sent from high and low frequency transceiver transducer is Xdb, sound wave
From being issued to through interface, lower interface ... on first layer substrate upper surface, lower interface, second layer substrate up through n-th layer
Upper interface, original route returns to high and low frequency transceiver transducer after running into n-th layer substrate lower surface, and the intensity received is
YnDb, the then propagation loss in n-th layer substrateCalculate propagation loss
TLnAfterwards, the composition of n-th layer substrate is determined according to above-mentioned propagation loss TL, substrate composition and the substrate velocity of sound cpr corresponding table,
And obtain the substrate velocity of sound cpr of n-th layer substrateN bottoms。
The calculating of n-th layer substrate thickness：The distance between interface and lower interface are L on n-th layer substrateN bottoms, i.e. n-th layer bottom
Matter thickness is LN bottoms, in measurement high and low frequency transceiver transducer to the distance at interface under n-th layer substrate be L0 water+L1 bottom+L2 bottoms
+…+LN bottoms, then have：
Wherein, tN-1 bottomsFor high and low frequency transceiver transducer receive from sound wave is sent, pass through first layer substrate to sound wave
Interface under upper interface, first layer substrate, interface on the N-1 layer substrates of interface ... on second layer substrate, run into N-1 layer substrates
Lower interface original route is reflected back the time of high and low frequency transceiver transducer；tN bottomsReceived for high and low frequency transceiver transducer
From sending sound wave, to sound wave through interface ... on interface under interface, first layer substrate on first layer substrate, second layer substrate
Interface on N layer substrates, run into the time that interface original route under n-th layer substrate is reflected back high and low frequency transceiver transducer.
The part do not addressed in the utility model uses or used for reference prior art and can be achieved.
Specific embodiment described herein is only to spiritual example explanation of the present utility model.This practicality
New person of ordinary skill in the field can make various modifications or supplement or adopt to described specific embodiment
Substituted with similar mode, but without departing from spirit of the present utility model or surmount model defined in appended claims
Enclose.
Claims (9)
1. low-and high-frequency sediment parameter measurement instrument, it is characterised in that including measuring instrument body and host computer, the measuring instrument sheet
The top of body is provided with release binding mechanism, and the bottom of measuring instrument body is provided with pressure switch, underwater sound acoustic velocity measutement module, anti-
Plate, high frequency transceiver transducer and low frequency transceiver transducer are penetrated, underwater sound acoustic velocity measutement module is used to launch and receive
Sound wave, reflecting plate are used to reflect the sound wave from underwater sound acoustic velocity measutement module, and high frequency transceiver transducer is used to launch high frequency
Sound wave simultaneously receives high frequency sound wave of the reflection from seabed different layers substrate, and low frequency transceiver transducer is used to launch low-frequency sound wave simultaneously
Receive low-frequency sound wave of the reflection from seabed different layers substrate；Be provided with measuring instrument body processor circuit plate module, wire and
Velocity sensor, data storage cell, pressure switch, underwater sound acoustic velocity measutement module, height are provided with processor circuit plate module
Frequency transceiver transducer, low frequency transceiver transducer and velocity sensor pass through wire and processor circuit template die respectively
Block is connected, and data storage cell completes data transfer by wireline cable or radio communication with host computer, and host computer internal memory contains
A variety of ground acoustic model.
2. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that low-and high-frequency seabed bottom
Matter parameter measurement instrument is recovery type low-and high-frequency sediment parameter measurement instrument, the recovery type low-and high-frequency sediment parameter measurement instrument
Including ship and the spooling gear being arranged on ship, the release binding mechanism is connected by hawser with spooling gear.
3. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that low-and high-frequency seabed bottom
Matter parameter measurement instrument is deserted low-and high-frequency sediment parameter measurement instrument, the deserted low-and high-frequency sediment parameter measurement instrument
Including floating body, floating body is connected with release binding mechanism, and data memory module, data memory module and place are provided with the floating body
The communication connection of device circuit board module is managed, and data memory module completes data transfer by wireline cable and host computer.
4. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that in the measuring instrument body
Battery module is additionally provided with, the processor circuit plate module is connected with battery module.
5. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that the measuring instrument body
Bottom is additionally provided with polylith skirtboard.
6. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that the release binding mechanism
Including the release, motor and underwater acoustic transducer being sequentially connected, motor is connected with release, underwater acoustic transducer respectively, and the underwater sound changes
Energy device is connected with processor circuit plate module, the action of motor control release.
7. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that the measuring instrument body
Top is additionally provided with external cabling mouth, and external cabling mouth is connected by wire with processor circuit plate module, and measuring instrument body leads to
Cross external cabling port transmission and complete the order between host computer or the transmission of data.
8. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that in the measuring instrument body
Bluetooth module is additionally provided with, bluetooth module is connected by wire with the processor circuit plate module, and measuring instrument body passes through indigo plant
Tooth module wireless communication transmission completes the order between host computer or the transmission of data.
9. low-and high-frequency sediment parameter measurement instrument according to claim 1, it is characterised in that the ground in the host computer
Acoustic model includes Hamilton viscoelastic modes, Biot-stoll models, Buckingham VGS models and Chotiros-
IsaksonBICSQS models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195232.6U CN206627477U (en) | 2017-03-02 | 2017-03-02 | Low-and high-frequency sediment parameter measurement instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195232.6U CN206627477U (en) | 2017-03-02 | 2017-03-02 | Low-and high-frequency sediment parameter measurement instrument |
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| Publication Number | Publication Date |
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| CN206627477U true CN206627477U (en) | 2017-11-10 |
Family
ID=60211733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195232.6U Expired - Fee Related CN206627477U (en) | 2017-03-02 | 2017-03-02 | Low-and high-frequency sediment parameter measurement instrument |
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| Country | Link |
|---|---|
| CN (1) | CN206627477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588797A (en) * | 2020-04-30 | 2021-11-02 | 中国石油化工股份有限公司 | Shaft salt deposition monitoring device and method for gas storage |
| CN115598217A (en) * | 2022-12-13 | 2023-01-13 | 自然资源部第二海洋研究所（Cn） | Device and method for in-situ measurement of low-frequency acoustic characteristics of seabed sediment layer |
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2017
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588797A (en) * | 2020-04-30 | 2021-11-02 | 中国石油化工股份有限公司 | Shaft salt deposition monitoring device and method for gas storage |
| CN115598217A (en) * | 2022-12-13 | 2023-01-13 | 自然资源部第二海洋研究所（Cn） | Device and method for in-situ measurement of low-frequency acoustic characteristics of seabed sediment layer |
| CN115598217B (en) * | 2022-12-13 | 2023-03-31 | 自然资源部第二海洋研究所 | Device and method for in-situ measurement of low-frequency acoustic characteristics of seabed sediment layer |
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