CN106908134A - A kind of deep-sea sound collecting apparatus and method - Google Patents
A kind of deep-sea sound collecting apparatus and method Download PDFInfo
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- CN106908134A CN106908134A CN201611192957.6A CN201611192957A CN106908134A CN 106908134 A CN106908134 A CN 106908134A CN 201611192957 A CN201611192957 A CN 201611192957A CN 106908134 A CN106908134 A CN 106908134A
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- watertight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of deep-sea sound collecting apparatus and method.The device includes pressure-resistant watertight compartment, transducer mounting bracket, seabed pedestal harmony release；Pressure-resistant watertight compartment and transducer mounting bracket are each attached on the pedestal of seabed, and by anchor chain fixed-link seabed pedestal, pouring weight is fixed in the release end of acoustic releaser to acoustic releaser by anchor chain；Encapsulation high accuracy real-time clock, battery and its management system, data storage cell, controller, digital signal processing unit, analog digital converting unit, low frequency signal pretreatment unit, intermediate-freuqncy signal pretreatment unit, high-frequency signal pretreatment unit in pressure-resistant watertight compartment.Present invention can be suitably applied to the record of the various frequency range sound waves in deep-sea, suitable for the acoustic signals that synchronous acquisition is propagated by water body and seabed two media, the acoustic response that the activity of recordable seabottom geology, water body activity and biological activity are produced, has a wide range of applications in oceanographic survey with research.
Description
Technical field
The present invention relates to marine technology field, and in particular to a kind of deep-sea sound collecting apparatus and method.
Background technology
Ocean area takes up an area sphere area more than 70%, and ocean change profound influence the earth, affects environment for human survival.
And the sea water advanced deep-sea ocean more than 3000 meters account for the ocean gross area about 89%, seabottom geology activity, water body activity and
The activity such as biology is the importance of deep-sea research, and these activities can produce the acoustic signals of different qualities, by record analysis
These acoustic signals are studied, is to recognize earth's internal structure, geologic feature and the important means using deep-sea resources.Current people
Class for the understanding at deep-sea or extremely limited, particularly to deep seafloor geological activity, water body activity and biological activity etc.
Understanding it is also extremely limited.
Existing deep-sea detecting method mainly using simple target Detection Techniques, be generally walk to navigate water body measurement, near Sea Bottom
The modes such as investigation etc., main applied acoustics mapping, optical imagery, sensor characteristics measurement, and specifically designed for seismic monitoring
The technologies such as OBS.Comprehensive monitoring cannot be carried out for seabottom geology activity, water body activity and biological activity etc., it is difficult to synchronous note
The voice signal of multi-frequency is recorded, is unfavorable for carrying out correlation analysis.
The content of the invention
The purpose of the present invention is to overcome defect present on existing seabed movement monitoring technology, there is provided a kind of deep-sea sound wave is adopted
Acquisition means and method, for seabottom geology activity, water body activity and biological activity produce sound wave the characteristics of, using low frequency,
Three frequency range all directional hydrophones of intermediate frequency and high frequency and signal processing system realize the various vibration acoustic records in seabed.
The purpose of the present invention is achieved through the following technical solutions：A kind of deep-sea sound collecting device, the device bag
Include pressure-resistant watertight compartment, transducer mounting bracket, seabed pedestal harmony release；The pressure-resistant watertight compartment and transducer mounting bracket are equal
It is fixed on the pedestal of seabed, the acoustic releaser is led to by anchor chain fixed-link seabed pedestal, the release end of acoustic releaser
Cross anchor chain and fix pouring weight；Encapsulation high accuracy real-time clock, battery and its management system, data storage list in the pressure-resistant watertight compartment
Unit, controller, digital signal processing unit, analog digital converting unit, low frequency signal pretreatment unit, intermediate-freuqncy signal pretreatment
Unit, high-frequency signal pretreatment unit, the data storage cell, digital signal processing unit and analog digital converting unit are equal
It is connected with controller, the pressure-resistant watertight compartment surface sets the first watertight seat, the second watertight seat and the 3rd watertight seat；The transducing
Low frequency omni-directional hydrophone, intermediate frequency all directional hydrophone and high frequency all directional hydrophone are installed on device mounting bracket；The low frequency omni-directional water is listened
Device connects the first watertight seat, the other end connection low frequency signal pretreatment unit of the first watertight seat, the intermediate frequency by watertight cable
All directional hydrophone connects the second watertight seat by watertight cable, and the other end of the second watertight seat connects intermediate-freuqncy signal pretreatment unit,
The high frequency all directional hydrophone connects the 3rd watertight seat by watertight cable, and the other end connection high-frequency signal of the 3rd watertight seat is located in advance
Reason unit；The low frequency signal pretreatment unit, intermediate-freuqncy signal pretreatment unit, high-frequency signal pretreatment unit difference connection mode
Intend low frequency, intermediate frequency, the high frequency interfaces of digital conversion unit；The high accuracy real-time clock is controller, data storage cell, numeral
Signal processing unit, analog digital converting unit provide high accurate clock signal, and battery and its management system are whole device confession
Electricity.
Further, the device also includes buoyant device, and the buoyant device is the ball float or solid being connected with seabed pedestal
It is scheduled on the buoyancy plate on the pedestal of seabed.
Further, the frequency of the low frequency omni-directional hydrophone is 5Hz~200Hz, the frequency of the intermediate frequency all directional hydrophone
Rate is 1kHz~100kHz, and the frequency of the high frequency all directional hydrophone is 500kHz~10MHz.
Further, the pressure-resistant watertight compartment, transducer mounting bracket, seabed pedestal harmony release use sea water resistance
Corrode and with the material of anti-halobios adhersion coating.
Further, hydrophone includes two parts, and a part is coupled with seabed, and another part is synchronously adopted in water body
The acoustic signals of the activity of collection seabottom geology, water body activity and biological activity, are conducive to analyzing various geological activities with biology work
Correlation between dynamic.
A kind of deep-sea sound collecting method, specially：Work is opened before lower water, is delivered into predetermined seabed position using weight
Put, start the acoustic signals such as the activity of collection seabottom geology, water body activity and biological activity, after working after a while, profit
Broken off relations with acoustic releaser and weight, retracting device.
Beneficial effects of the present invention：Present invention can be suitably applied to the record of the various frequency range sound waves in deep-sea, it is adaptable to synchronous acquisition
The acoustic signals propagated by water body and seabed two media, can record seabottom geology activity, water body activity and biological activity
The acoustic response of generation, has a wide range of applications in oceanographic survey with research.Apparatus of the present invention fulfil assignment after task, can be with
Smoothly reclaim, after loading new pouring weight, dispensing can be repeated and used.Apparatus of the present invention have detachability, can be complete in operation
Into dismounting, be conducive to the transport of equipment and safeguard.
Brief description of the drawings
Fig. 1 is deep-sea sound collecting device composition frame chart；
In figure：1st, high accuracy real-time clock；2nd, battery and its management system；3rd, data storage cell；4th, controller；5th, numeral
Signal processing unit；6th, analog digital converting unit；7th, low frequency signal pretreatment unit；8th, intermediate-freuqncy signal pretreatment unit；9、
High-frequency signal pretreatment unit；10th, the first watertight seat；11st, the second watertight seat；12nd, the 3rd watertight seat；13rd, pressure-resistant watertight compartment；
14th, low frequency omni-directional hydrophone；15th, intermediate frequency all directional hydrophone；16th, high frequency all directional hydrophone；17th, transducer mounting bracket；18th, seabed
Pedestal；19th, acoustic releaser.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the present invention provides a kind of deep-sea sound collecting device, including：Pressure-resistant watertight compartment 13, transducer is installed
Frame 17, seabed pedestal 18 and acoustic releaser 19；The pressure-resistant watertight compartment 13 and transducer mounting bracket 17 are each attached to Submarine Basic
On seat 18, the acoustic releaser 19 is by anchor chain fixed-link seabed pedestal 18, and seabed pedestal 18 is coupled well with seabed, complete
Reclaimed after into deep-sea sound collecting device work；Pouring weight is fixed in the release end of acoustic releaser 19 by anchor chain；The pressure-resistant water
Encapsulated at high accuracy real-time clock 1, battery and its management system 2, data storage cell 3, controller 4, data signal in close cabin 13
Reason unit 5, analog digital converting unit 6, low frequency signal pretreatment unit 7, intermediate-freuqncy signal pretreatment unit 8, high-frequency signal are pre-
Processing unit 9, the data storage cell 3, digital signal processing unit 5 and analog digital converting unit 6 connect with controller 4
Connect, controller 4 data signal is given digital signal processing unit 5 first and processed, then by digital signal processing unit 5
Signal after treatment is stored in data storage cell 3；The surface of pressure-resistant watertight compartment 13 sets the first watertight the 10, second water of seat
The watertight of close seat 11 and the 3rd seat 12；Low frequency omni-directional hydrophone 14, intermediate frequency all directional hydrophone is installed on the transducer mounting bracket 17
15 and high frequency all directional hydrophone 16, transducer mount 17 its conduct oneself with dignity cause with seabed good coupling, and hydrophone is maintained at water
In body；The low frequency omni-directional hydrophone 14 connects the first watertight seat 10, the other end connection of the first watertight seat 10 by watertight cable
Low frequency signal pretreatment unit 7, the intermediate frequency all directional hydrophone 15 connects the second watertight seat 11, the second watertight seat by watertight cable
11 other end connection intermediate-freuqncy signal pretreatment unit 8, the high frequency all directional hydrophone 16 connects the 3rd watertight by watertight cable
Seat 12, the other end connection high-frequency signal pretreatment unit 9 of the 3rd watertight seat 12；The low frequency signal pretreatment unit 7, intermediate frequency
Signal Pretreatment unit 8, high-frequency signal pretreatment unit 9 connect low frequency, intermediate frequency, the high frequency of analog digital converting unit 6 respectively
Interface；The high accuracy real-time clock 1 is controller 4, data storage cell 3, digital signal processing unit 5, Analog-digital Converter
The offer high accurate clock signal of unit 6, battery and its management system 2 are powered for whole device.
Further, the device also includes buoyant device, the buoyant device be the ball float that is connected with seabed pedestal 18 or
It is fixed on the buoyancy plate on seabed pedestal 18.
Further, the frequency of the low frequency omni-directional hydrophone 14 is 5Hz~200Hz, the intermediate frequency all directional hydrophone 15
Frequency be 1kHz~100kHz, the frequency of the high frequency all directional hydrophone 16 is 500kHz~10MHz.
Further, the pressure-resistant watertight compartment 13, transducer mounting bracket 17, seabed pedestal 18 and acoustic releaser 19 are adopted
With seawater corrosion resistance and have anti-halobios adhersion coating material.
Further, hydrophone includes two parts, and a part is coupled with seabed, and another part is synchronously adopted in water body
The acoustic signals of the activity of collection seabottom geology, water body activity and biological activity, are conducive to analyzing various geological activities with biology work
Correlation between dynamic.
The deep-sea sound collecting device that the present invention is provided can around round-the-clock monitoring for a long time multiple frequency ranges seabed sound
Sound, can intercept, record storage submarine earthquake, nearly all sound of the generation such as geological activity and mankind's activity.
The present invention also provides a kind of deep-sea sound collecting method, specially：Work is opened before lower water, is delivered using weight
Enter predetermined sub-sea location, start the acoustic signals such as the activity of collection seabed, water body activity and biological activity, through work after a while
After work, broken off relations using acoustic releaser and weight, retracting device.
Embodiment 1
The deep-sea sound collecting device of the present embodiment includes pressure-resistant watertight compartment 13, transducer mounting bracket 17 and acoustic releaser
19, the transducer mounting bracket 17 fixedly mounts the hydrophone that three groups of different frequency ranges are responded by stainless steel hoop：Low frequency omni-directional
Hydrophone 14, intermediate frequency all directional hydrophone 15 and high frequency all directional hydrophone 17.Three groups of hydrophones are respectively by the first watertight seat of 8 cores
10th, the second watertight seat 11 and the 3rd watertight seat 12 connect watertight cable and access in pressure-resistant watertight compartment 13 at electronic system signal
Reason.
The inside of pressure-resistant watertight compartment 13 by building block system aluminum frame install acoustic telecommunication number process, storage circuit plate and battery and its
Management system 2, acoustic telecommunication number treatment mainly includes 4 passage 5Hz~200Hz low frequency signals pretreatment circuit-board card, 4 passages
1kHz~100kHz intermediate-freuqncy signals pre-process circuit-board card and 4 passages 500kHz~10MHz high-frequency signals pretreatment circuit-board card,
Pretreated multigroup acoustic telecommunication number is converted into multichannel digital signal through multi-channel high-speed analog digital converting unit 6 again,
Data signal is connected to the controller board of embedded-type ARM 11, the controller board of embedded-type ARM 11 by band shielding data signal cable
Signal packet synchronization is sent to Digital Signal Processing dsp board card again, while by the sound wave after DSP digital filterings, denoising
Collection data signal is stored in high speed digital memory FLASH3 according to WAV forms by DMA channel.
By the independent clock signal of high accuracy real-time clock 1 in the digitlization of sound collecting signal, DSP treatment and storing process
System synchronization is provided.The polymer Li-ion battery bag of 100AH capacity and the battery management system of fixed installation constitute battery
And its management system 2, it is positive pole (red), negative pole (black) 3mm to system power supply cable2High temperature silver-jacketed wire, 30mm long.Fill
Electrical cables are positive pole (red), negative pole (black) 2mm2High temperature silver-jacketed wire, 50mm long.
Transducer mounting bracket 17 and pressure-resistant watertight compartment 13 are fixedly installed togather by stainless steel metal frame, stainless steel metal
Polylith square buoyancy material is installed, stainless steel metal frame is by anchor chain fixed-link acoustic releaser 19, acoustic releaser on frame
19 release was worked hard in glove with anchor chain and fixed cement pouring weight.
Embodiment 2
The deep-sea sound collecting method of the present embodiment, comprises the following steps：
Step 1：Device is connected and debugging
1.1 check device all parts whether firmly, without breakage；
The 1.2 pressure-resistant watertight compartments of connection, transducer mount, acoustic releaser, pouring weight；
Step 2：Device is delivered
2.1 find out flat placement area in ship quarter deck, and device sequence is put；
2.2 before predetermined placement position is reached, and opening device when ship towage to precalculated position, quickly delivers pouring weight,
So that device freely falling body is to predetermined operation position；
Step 3：Device operation
After device delivers water, that is, start operation gathered data, data storage is in FLASH；
Step 4：Device is reclaimed
After through operation after a while, acoustic releaser, acoustic releaser are sent commands to by deck control unit
After being broken off relations with pouring weight, device is reclaimed after floating up to sea by natural buoyancy.
Sound collecting device in deep-sea of the invention can be pinpointed by water surface ship and be thrown into formula to seabed and lay, it is also possible to be walked
Boat formula is thrown and is carried, and recovery can be by, to underwater emission acoustic releaser release command, allowing underwater releaser unhook water in boat deck
Mud pouring weight, sea is floated to by the stainless steel frame for installing buoyancy material by deep-sea sound collecting device band, realizes that deep-sea sound wave is adopted
Acquisition means are reclaimed and fetch the seabed sound collecting of storage, realize monitoring seabed activity sound collecting.
Claims (6)
1. a kind of deep-sea sound collecting device, it is characterised in that the device includes pressure-resistant watertight compartment (13), transducer mounting bracket
(17), seabed pedestal (18) and acoustic releaser (19)；The pressure-resistant watertight compartment (13) and transducer mounting bracket (17) are fixed
On seabed pedestal (18), the acoustic releaser (19) is by anchor chain fixed-link seabed pedestal (18), acoustic releaser
(19) pouring weight is fixed in release end by anchor chain；Encapsulation high accuracy real-time clock (1) in the pressure-resistant watertight compartment (13), battery and its
Management system (2), data storage cell (3), controller (4), digital signal processing unit (5), analog digital converting unit
(6), low frequency signal pretreatment unit (7), intermediate-freuqncy signal pretreatment unit (8), high-frequency signal pretreatment unit (9), the number
It is connected with controller (4) according to memory cell (3), digital signal processing unit (5) and analog digital converting unit (6), it is described
Pressure-resistant watertight compartment (13) surface sets the first watertight seat (10), the second watertight seat (11) and the 3rd watertight seat (12)；The transducing
Low frequency omni-directional hydrophone (14), intermediate frequency all directional hydrophone (15) and high frequency all directional hydrophone (16) are installed on device mounting bracket (17)；
The low frequency omni-directional hydrophone (14) connects the first watertight seat (10), the other end connection of the first watertight seat (10) by watertight cable
Low frequency signal pretreatment unit (7), the intermediate frequency all directional hydrophone (15) connects the second watertight seat (11), second by watertight cable
The other end of watertight seat (11) connects intermediate-freuqncy signal pretreatment unit (8), and the high frequency all directional hydrophone (16) is by watertight cable
The 3rd watertight seat (12) is connected, the other end of the 3rd watertight seat (12) connects high-frequency signal pretreatment unit (9)；The low frequency letter
Number pretreatment unit (7), intermediate-freuqncy signal pretreatment unit (8), high-frequency signal pretreatment unit (9) connect simulation numeral and turn respectively
Change low frequency, intermediate frequency, the high frequency interfaces of unit (6)；The high accuracy real-time clock (1) is controller (4), data storage cell (3),
Digital signal processing unit (5), analog digital converting unit (6) provide high accurate clock signal, battery and its management system (2)
For whole device is powered.
2. a kind of deep-sea sound collecting device according to claim 1, it is characterised in that the device is also filled including buoyancy
Put, the buoyant device is the ball float being connected with seabed pedestal (18) or the buoyancy plate being fixed on seabed pedestal (18).
3. a kind of deep-sea sound collecting device according to claim 1, it is characterised in that the low frequency omni-directional hydrophone
(14) frequency is 5Hz~200Hz, and the frequency of the intermediate frequency all directional hydrophone (15) is 1kHz~100kHz, and the high frequency is complete
It is 500kHz~10MHz to the frequency of hydrophone (16).
4. a kind of deep-sea sound collecting device according to claim 1, it is characterised in that the pressure-resistant watertight compartment (13),
Transducer mounting bracket (17), seabed pedestal (18) and acoustic releaser (19) using seawater corrosion resistance and have anti-halobios adhersion
The material of coating.
5. a kind of deep-sea sound collecting device according to claim 1, it is characterised in that hydrophone includes two parts,
A part is coupled with seabed, and another part is in water body, and the activity of synchronous acquisition seabottom geology, water body are movable and biological activity
Acoustic signals, are conducive to analyzing the correlation between various geological activities and biological activity.
6. a kind of method for carrying out deep-sea sound collecting using sound collecting device in deep-sea described in claim 1, it is characterised in that
Work is opened before lower water, is delivered into predetermined sub-sea location using weight, start the activity of collection seabed, water body activity and biology
The acoustic signals such as activity, after working after a while, are broken off relations using acoustic releaser and weight, retracting device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611192957.6A CN106908134A (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611192957.6A CN106908134A (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting apparatus and method |
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| CN106908134A true CN106908134A (en) | 2017-06-30 |
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| CN201611192957.6A Pending CN106908134A (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting apparatus and method |
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| CN108362373A (en) * | 2018-04-27 | 2018-08-03 | 大连理工大学 | A kind of civilian boat underwater radioactivity detection, identificationm, and computation and its working method |
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