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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
shaft
transducer
acoustic
hexagon support
detection unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621409252.0U
Other languages
Chinese (zh)
Inventor
陶春辉
张国堙
周建平
邓显明
蔡巍
徐巍军
金肖兵
吴震宇
刘宜胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Second Institute of Oceanography SOA
Original Assignee
Second Institute of Oceanography SOA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Second Institute of Oceanography SOA filed Critical Second Institute of Oceanography SOA
Priority to CN201621409252.0U priority Critical patent/CN206270298U/en
Application granted granted Critical
Publication of CN206270298U publication Critical patent/CN206270298U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)

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

A kind of seabed sediment acoustics in site measurement and synchronous sampling device
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.
CN201621409252.0U 2016-12-21 2016-12-21 A kind of seabed sediment acoustics in site measurement and synchronous sampling device Active CN206270298U (en)

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
CN201621409252.0U Active CN206270298U (en) 2016-12-21 2016-12-21 A kind of seabed sediment acoustics in site measurement and synchronous sampling device

Country Status (1)

Country Link
CN (1) CN206270298U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106645421B (en) A kind of seabed sediment acoustics in situ measurement and synchronous sampling device and method
CN108106965B (en) Device and method for in-situ synchronous measurement of acoustic and physical parameters of submarine sediment
US10352152B2 (en) Acoustic calipering and analysis of annulus materials
WO2018209838A1 (en) System for detecting hydrates near seafloor
US7394257B2 (en) Modular downhole tool system
CN104101896B (en) Pile bottom cave sonar detection device and method
CN206056580U (en) A kind of hydrometric cableway surveys husky device automatically
US10838097B2 (en) Borehole size determination downhole
CN106382972A (en) Single hole underground water level monitoring method and real-time monitoring device
CN206270298U (en) A kind of seabed sediment acoustics in site measurement and synchronous sampling device
CN201884023U (en) Drill deposit thickness ultrasonic measurement system
CN115826033A (en) Karst geology detection method and system based on elastic wave imaging
CN202402023U (en) Exploring tube system for underground wireless well logging during drilling
CN109322660A (en) A kind of main stress direction measurement-while-drilling system signal exciting bank of level
CN205785207U (en) A kind of novel measurement sea floor sampling depth device
CN111350545A (en) Mine dynamic disaster system and method based on multi-dimensional monitoring
CN102830050B (en) A kind of shaking test system determining hydraulic conductivity tensor of fractured rock mass
WO2008130888B1 (en) Depth measurement by distributed sensors
CN202330235U (en) Steady flow pumping test equipment for online full-hole continuous detection
CN207675586U (en) A kind of seabed sediment acoustics and physical parameter in-situ synchronization measuring device
US20230026857A1 (en) Subsurface property estimation in a seismic survey area with sparse well logs
US20170350235A1 (en) Acoustic source identification apparatus, systems, and methods
CN102383784A (en) Storage-type leaking layer position integrated measuring instrument
CN106200455A (en) A kind of signal playback device and method measured for VSP during drilling
CN113534181B (en) Method for rapidly measuring three-dimensional structure and dimension of drilled-through dry karst cave at bottom of pile foundation by utilizing laser flight time

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant