CN206270298U - A kind of seabed sediment acoustics in site measurement and synchronous sampling device - Google Patents
A kind of seabed sediment acoustics in site measurement and synchronous sampling device Download PDFInfo
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- CN206270298U CN206270298U CN201621409252.0U CN201621409252U CN206270298U CN 206270298 U CN206270298 U CN 206270298U CN 201621409252 U CN201621409252 U CN 201621409252U CN 206270298 U CN206270298 U CN 206270298U
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Abstract
The utility model discloses a kind of seabed sediment acoustics in site measurement and synchronous sampling device.The device includes deck display and control unit and undersea detection unit two parts, two parts by coaxial cable or optoelectronic composite cable be powered with communication, realize real-time condition display and remote control of the deck display and control unit to undersea detection unit.The device with one-stop operation, can synchronously complete the acoustic in-situ measurement and sampling operation of bottom sediment；Also, the sediment acoustics in site measurement of the device, can be applicable two kinds of work patterns of cross measure and longitudinal direction measurement.The utility model is applied to the acoustic in-situ measurement and deposit sampling of bottom sediment, can accurately obtain the acoustic characteristic data and sediment sample of same erect-position, improves the reliability and precision of seabed sediment acoustics characteristic research.
Description
Technical field
The utility model belongs to oceanographic survey and sea habitata detection technical field, and in particular to a kind of seabed sediment acoustics are former
Position measurement and synchronous sampling device.
Background technology
Bottom sediment is the interface of ocean water body and seabed directly contact, is also human knowledge, detection and exploitation profit
The object faced first with seabed.The material property of bottom sediment is environments such as subsea monitoring, seabed resources exploitation and ocean
The importance of engineering.Measured and sampling by carrying out acoustic in-situ to bottom sediment, be the one kind for recognizing feature of sediment
Important means, its original state characteristic for maintaining deposit to greatest extent, certainty of measurement is higher.The physical attribute of bottom sediment
Closely related with acoustic feature, can be based on acoustic in-situ detection sediment acoustics parameter carries out the inverting of physical attribute.At present,
Carrying out the pattern of sediment acoustics in site measurement has two kinds, and a kind of pattern is acoustic transducer to installation, carrying out lateral deposition
Thing acoustic characteristic is measured；Another pattern is longitudinally mounted acoustic transducer, carries out vertical direction sediment acoustics feature measurement；
Both of which respectively has feature, and cross measure carries out acoustic measurement, the main pin of longitudinal direction measurement mainly for the deposit of certain layer position
Deposit to different layers position carries out acoustic measurement.At present, the bottom sediment in-situ measurement device for using both at home and abroad can only enter
The single transversely or longitudinally measurement of row, measurement efficiency is relatively low, is primarily present following problem：(1) it is only capable of carrying out single transverse direction
Or longitudinal direction measurement, it is less efficient；(2) can not synchronize deposit sampling, be unfavorable for carry out deposit parameters,acoustic with
The correlation analysis research of physical parameter.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of seabed sediment acoustics in site measurement
With synchronous sampling device, the utility model integrated level is high, easy for installation without additional drive system, simple to operate, while having horizontal stroke
To with the two kinds of measurement patterns in longitudinal direction, and deposit sampled functions can be synchronously completed, can Reusability.
The purpose of this utility model is achieved through the following technical solutions：A kind of seabed sediment acoustics in site measurement
With synchronous sampling device, including deck display and control unit and undersea detection unit, deck display and control unit is by coaxial cable or light
Photoelectric compound cable connects undersea detection unit；The undersea detection unit includes hexagon support, and the lower section of hexagon support is distinguished
Shaft is sampled by positioning pin connection acoustic emission shaft, acoustic receiver shaft and deposit, hexagon support top is fixed vertical
To transmitting transducer；At least two are installed in the acoustic emission shaft and laterally emits transducer, in the acoustic receiver shaft
Receive transducer is installed, transducer, longitudinal transmitting transducer and receive transducer is laterally emitted in the same plane.
Further, the top of load-bearing suspension centre, load-bearing suspension centre and hexagon support is set on the top board of the hexagon support
Plate constitutes suspension centre turning protection device.
Further, two underwater control electronics storehouses are set in the hexagon support, one as powered communication storehouse, separately
One used as acoustics warehouse.
Further, sound velocimeter, altimeter and underwater camera are installed in the hexagon support.
Further, present apparatus center of gravity is located at hexagon frame bottom；And acoustic emission shaft, acoustic receiver shaft and
Deposit samples shaft and is distributed in equilateral triangle.
Further, the receive transducer is the array being made up of multiple receive transducer primitives, the array insertion sound
Learn in the groove for receiving shaft, the array plane is flushed with groove, and the radiation scope of different receive transducer primitives is covered each by
That is installed on the longitudinal transmitting transducer and acoustic emission shaft installed on hexagon support laterally emits transducer.
Further, acoustic emission shaft, acoustic receiver shaft and deposit sampling shaft bottom are tapered.
Further, acoustic receiver shaft tube wall places temperature sensor；Acoustic emission shaft tube wall places displacement sensing
Device.
The beneficial effects of the utility model are：Acoustic in-situ measurement and deposit sampling are synchronously carried out, is easy to ground acoustic model
Research；Both can carry out laterally emitting reception measurement pattern, it is also possible to carry out longitudinal direction transmitting and receive measurement pattern, various measurements
Pattern, improves measurement efficiency；Powered communication electronics storehouse and acoustics warehouse are two independent pressure-resistant storehouses, reduce power supply and communicate right
The interference of acoustic signal；Using the sound velocimeter for carrying, the sound path in deposit is accurately calculated, improved detection accuracy.
Brief description of the drawings
Fig. 1 is the utility model general structure schematic diagram；
Fig. 2 is display and control unit composition schematic diagram in deck of the present utility model；
Fig. 3 is the schematic perspective view of the utility model undersea detection unit；
Fig. 4 is measuring method flow chart of the present utility model；
In figure：1 is deck display and control unit；101 is display module；102 is communication module；103 is control module；104 are
Power supply module；105 is coaxial cable or optoelectronic composite cable interface；2 is undersea detection unit；201 is load-bearing suspension centre；202 are
Hexagon support；203 is acoustic emission shaft；204 is acoustic receiver shaft；205 is that deposit samples shaft；206 under water
Control electronics storehouse；207 is longitudinal transmitting transducer；208 laterally emit transducer for first；209 laterally emit transducing for second
Device；210 is receive transducer.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model provides a kind of seabed sediment acoustics in site measurement and synchronous sampling device, bag
Include deck display and control unit 1 and undersea detection unit 2, the remote control of deck display and control unit 1 and show undersea detection unit 2 in real time
Job state, undersea detection unit 2 complete acoustic in-situ measurement with deposit sampling.As shown in figure 3, the undersea detection list
Unit 2 includes hexagon support 202, and the lower section of hexagon support 202 is respectively by positioning pin connection acoustic emission shaft 203, sound
Learn and receive shaft 204 and deposit sampling shaft 205, the fixed longitudinal direction transmitting transducer 207 in the top of hexagon support 202；It is described
At least two are installed in acoustic emission shaft 203 and laterally emits transducer, installed in the acoustic receiver shaft 204 and receive transducing
Device 210, especially, laterally emits transducer, longitudinal transmitting transducer 207 with receive transducer 210 in the same plane.
Further, load-bearing suspension centre 201, load-bearing suspension centre 201 and hexagon are set on the top board of the hexagon support 202
The top board of support 202 constitutes suspension centre turning protection device, realize the present apparatus be horizontally mounted above deck, lift by crane after over entry
Function.
Further, two underwater control electronics storehouses 206 are set in the hexagon support 202, and one is used as power supply and leads to
Letter storehouse, another is used as acoustics warehouse, can effectively reduce power supply with the interference communicated to acoustic signal transmitting reception.
Further, sound velocimeter, altimeter and underwater camera are installed in the hexagon support 202.
Further, present apparatus center of gravity is located at the bottom of hexagon support 202 so that during present apparatus vertical lifting, three lances
Bar stress is smaller；And three shafts are distributed in equilateral triangle, seabed is landed steadily, and sea can be inserted under self gravitation effect,
In bottom sediment.
Further, longitudinal transmitting transducer 207 constitutes longitudinal direction transmitting and receives mode of operation with receive transducer 210；It is horizontal
Horizontal emission is constituted to transmitting transducer and receive transducer 210 and receive mode of operation, be provided simultaneously with sediment acoustics survey in situ
Two kinds of mode of operations of amount.
Further, the receive transducer 210 is the array being made up of multiple receive transducer primitives, array insertion
In the groove of acoustic receiver shaft 204, the array plane is flushed with groove, and different receive transducer primitives are covered each by hexagon
That is installed on the longitudinal transmitting transducer 207 and acoustic emission shaft 203 installed on support 202 laterally emits transducer.
Further, three shaft bottoms are tapered, so as in effective insertion deposit；In acoustic receiver shaft 204
Tube wall places temperature sensor, can be with the temperature of synchro measure bottom sediment；Displacement is placed in the tube wall of acoustic emission shaft 203
Sensor, can obtain device into the depth in deposit.
Embodiment 1
The seabed sediment acoustics in site measurement of the present embodiment and synchronous sampling device are including deck display and control unit 1 and under water
The two parts of probe unit 2.Deck display and control unit 1 passes through coaxial cable or optoelectronic composite cable for undersea detection unit 2 is powered, and
Communication therebetween is completed, deck display and control unit 1 can in real time show the running status of undersea detection unit 2, and under water
Probe unit 2 carries out remote control；Undersea detection unit 2 in insertion bottom sediment, carries out acoustic in-situ survey using deadweight
Amount, and synchronous acquisition sediment sample.As shown in Fig. 2 deck display and control unit 1 includes display module 101, communication module 102, control
Molding block 103, power supply module 104 and coaxial cable or optoelectronic composite cable interface 105；Wherein, power supply module 104 is to visit under water
Survey unit 2 to power, communication module 102 completes the communication of deck display and control unit 1 and undersea detection unit 2, control module 103 is realized
Remote interaction control to the operation of undersea detection unit 2, display module 101 realizes the real-time of the job state of undersea detection unit 2
Display；Undersea detection unit 2 includes hexagon support 202, and the lower section of hexagon support 202 is respectively by positioning pin connection acoustics
Transmitting shaft 203, acoustic receiver shaft 204 and deposit sampling shaft 205, the fixed longitudinal direction transmitting in the top of hexagon support 202
Transducer 207；Installation first laterally emits transducer 208 and second and laterally emits transducer in the acoustic emission shaft 203
209, receive transducer 210 is installed in the acoustic receiver shaft 204, laterally emit transducer, longitudinal transmitting transducer 207 with
Receive transducer 210 is in the same plane.
Deposit samples shaft 205 as bottom sediment coring apparatus, its sample length and acoustic receiver transducer
Ultimate range it is consistent, to gather the deposit sample of the deck acoustical testing that measurement of comparison can be carried out with acoustic in-situ detection
Product.
The present apparatus insert deposit during, using gravity so that shaft enter deposit in, the present apparatus stabilization after,
The longitudinal transmitting transducer installed using acoustic emission shaft or hexagon frame upper launches sound wave, in acoustic receiver shaft
Receive transducer receive sound wave, complete sediment acoustics in site measurement, synchronous deposits sampling shaft complete deposit sampling.
Carried out than surveying calibration, in raising deposit using the velocity of sound in the velocity of sound, with the water of the measurement device in the water that standard sound velocimeter is surveyed
The precision of acoustic in-situ measurement.
As shown in figure 4, the course of work of the present utility model is：
Step 1：System is installed
1.1 check that the unit part described in confirming is normal；
1.2 assemble deck display and control unit and undersea detection unit respectively；
Step 2：System testing
2.1 use coaxial cable or optoelectronic composite cable, connection deck display and control unit and undersea detection unit；
2.2 according to specific job requirements, are powered and communication test；
Step 3：System lays
3.1 are driven and winch using the gate A of ship, lift by crane undersea detection unit, and cloth is put into water；
Measured in 3.2 deposits.When probe unit gets over 10 meters apart from seabed under water, high speed lowering device so that under water
Probe unit free-falling, in shaft insertion bottom sediment, after shaft stabilization is in deposit, performs survey in deposit
Amount, gathered data；
Measured in 3.3 water.Using with identical measurement parameter in deposit, perform water in measure, gathered data.
Step 4：System is reclaimed
After the completion of 4.1 operations, undersea detection unit to deck is reclaimed；
4.2 dismounting undersea detection units, deposit to cool place at drying after fresh water flush.
Claims (8)
1. a kind of seabed sediment acoustics in site measurement and synchronous sampling device, it is characterised in that including deck display and control unit (1)
With undersea detection unit (2), deck display and control unit (1) is by coaxial cable or optoelectronic composite cable connection undersea detection unit
(2)；The undersea detection unit (2) includes hexagon support (202), and the lower section of hexagon support (202) is respectively by positioning
Pin connection acoustic emission shaft (203), acoustic receiver shaft (204) and deposit sample shaft (205), hexagon support
(202) the fixed longitudinal direction transmitting transducer (207) in top；At least two are installed on the acoustic emission shaft (203) to laterally emit
Transducer, installs receive transducer (210) on the acoustic receiver shaft (204), laterally emit transducer, longitudinal direction transmitting transducing
Device (207) is with receive transducer (210) in the same plane.
2. device according to claim 1, it is characterised in that load-bearing is set on the top board of the hexagon support (202)
Suspension centre (201), load-bearing suspension centre (201) constitutes suspension centre turning protection device with the top board of hexagon support (202).
3. device according to claim 1, it is characterised in that set two in the hexagon support (202) and control under water
Electronics storehouse (206) processed, one as powered communication storehouse, another is used as acoustics warehouse.
4. device according to claim 1, it is characterised in that sound velocimeter, height are installed in the hexagon support (202)
Meter and underwater camera.
5. device according to claim 1, it is characterised in that present apparatus center of gravity is located at hexagon support (202) bottom；And
And acoustic emission shaft (203), acoustic receiver shaft (204) and deposit sample shaft (205) and are distributed in equilateral triangle.
6. device according to claim 1, it is characterised in that the receive transducer (210) is to receive transducings by multiple
The array that device primitive is constituted, in the groove of array insertion acoustic receiver shaft (204), the array plane is flushed with groove, no
With longitudinal transmitting transducer (207) that the radiation scope of receive transducer primitive is covered each by being installed on hexagon support (202)
With in acoustic emission shaft (203) install laterally emit transducer.
7. device according to claim 1, it is characterised in that acoustic emission shaft (203), acoustic receiver shaft (204)
It is tapered with deposit sampling shaft (205) bottom.
8. device according to claim 1, it is characterised in that acoustic receiver shaft (204) tube wall places temperature sensor；
Acoustic emission shaft (203) tube wall places displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409252.0U CN206270298U (en) | 2016-12-21 | 2016-12-21 | A kind of seabed sediment acoustics in site measurement and synchronous sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409252.0U CN206270298U (en) | 2016-12-21 | 2016-12-21 | A kind of seabed sediment acoustics in site measurement and synchronous sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270298U true CN206270298U (en) | 2017-06-20 |
Family
ID=59047162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621409252.0U Active CN206270298U (en) | 2016-12-21 | 2016-12-21 | A kind of seabed sediment acoustics in site measurement and synchronous sampling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530677A (en) * | 2019-10-09 | 2019-12-03 | 自然资源部第二海洋研究所 | A kind of Marine Geology deposit sampling structure |
| CN112557514A (en) * | 2020-12-22 | 2021-03-26 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
-
2016
- 2016-12-21 CN CN201621409252.0U patent/CN206270298U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530677A (en) * | 2019-10-09 | 2019-12-03 | 自然资源部第二海洋研究所 | A kind of Marine Geology deposit sampling structure |
| CN110530677B (en) * | 2019-10-09 | 2021-09-21 | 自然资源部第二海洋研究所 | Marine geological sediment sampling structure |
| CN112557514A (en) * | 2020-12-22 | 2021-03-26 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
| CN112557514B (en) * | 2020-12-22 | 2021-09-21 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
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