CN206269914U - A kind of deep-sea sound collecting device - Google Patents
A kind of deep-sea sound collecting device Download PDFInfo
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- CN206269914U CN206269914U CN201621409795.2U CN201621409795U CN206269914U CN 206269914 U CN206269914 U CN 206269914U CN 201621409795 U CN201621409795 U CN 201621409795U CN 206269914 U CN206269914 U CN 206269914U
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Abstract
The utility model discloses a kind of deep-sea sound collecting device.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.The utility model is applicable 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 utility model is related 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 this utility model is to overcome defect present on existing seabed movement monitoring technology, there is provided a kind of deep-sea sound
Ripple harvester, for seabottom geology activity, water body activity and biological activity produce sound wave the characteristics of, using low frequency, in
Frequency and three frequency range all directional hydrophones of high frequency and signal processing system realize the various vibration acoustic records in seabed.
The purpose of this utility model is achieved through the following technical solutions:A kind of deep-sea sound collecting device, the dress
Put including pressure-resistant watertight compartment, transducer mounting bracket, seabed pedestal harmony release;The pressure-resistant watertight compartment and transducer are installed
Frame is each attached on the pedestal of seabed, and the acoustic releaser is by anchor chain fixed-link seabed pedestal, the release of acoustic releaser
Pouring weight is fixed in end by anchor chain;Encapsulation high accuracy real-time clock, battery and its management system, data storage in the pressure-resistant watertight compartment
Unit, controller, digital signal processing unit, analog digital converting unit, low frequency signal pretreatment unit, intermediate-freuqncy signal are located in advance
Reason unit, high-frequency signal pretreatment unit, the data storage cell, digital signal processing unit and analog digital converting unit
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;It is described to change
Low frequency omni-directional hydrophone, intermediate frequency all directional hydrophone and high frequency all directional hydrophone can be installed on device mounting bracket;The low frequency omni-directional water
Listen device by watertight cable connect the first watertight seat, the first watertight seat the other end connection low frequency signal pretreatment unit, it is described in
Frequency all directional hydrophone connects the second watertight seat by watertight cable, and the other end connection intermediate-freuqncy signal pretreatment of the second watertight seat is single
Unit, the high frequency all directional hydrophone connects the 3rd watertight seat, the other end connection high-frequency signal of the 3rd watertight seat by watertight cable
Pretreatment unit;The low frequency signal pretreatment unit, intermediate-freuqncy signal pretreatment unit, high-frequency signal pretreatment unit connect respectively
Connect low frequency, intermediate frequency, the high frequency interfaces of analog digital converting unit;The high accuracy real-time clock be controller, data storage cell,
Digital signal processing unit, analog digital converting unit provide high accurate clock signal, and battery and its management system are whole dress
Put power supply.
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, low frequency omni-directional hydrophone, intermediate frequency all directional hydrophone and high frequency all directional hydrophone include 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.
The beneficial effects of the utility model:The utility model is applicable to the record of the various frequency range sound waves in deep-sea, it is adaptable to
The acoustic signals that synchronous acquisition is propagated by water body and seabed two media, can record seabottom geology activity, water body activity and
The acoustic response that biological activity is produced, has a wide range of applications in oceanographic survey with research.The utility model device completes to make
After industry task, can smoothly reclaim, after loading new pouring weight, dispensing can be repeated and used.The utility model device has removable
Unloading property, can aboard ship install connection and complete, and 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
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, carries out clear, complete description, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all belongs to
In the scope of the utility model protection.
As shown in figure 1, the utility model provides a kind of deep-sea sound collecting device, including: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 each attached to sea
In bottom susceptor 18, by anchor chain fixed-link seabed pedestal 18, seabed pedestal 18 couples good the acoustic releaser 19 with seabed
It is good, reclaimed after completing deep-sea sound collecting device work;Pouring weight is fixed in the release end of acoustic releaser 19 by anchor chain;It is described resistance to
Encapsulation high accuracy real-time clock 1, battery and its management system 2, data storage cell 3, controller 4, numeral letter in pressure watertight compartment 13
Number processing unit 5, analog digital converting unit 6, low frequency signal pretreatment unit 7, intermediate-freuqncy signal pretreatment unit 8, high frequency letter
Number pretreatment unit 9, the data storage cell 3, digital signal processing unit 5 and analog digital converting unit 6 with control
Device 4 is connected, and controller 4 data signal is given digital signal processing unit 5 first and processed, then by Digital Signal Processing
Signal after the treatment of unit 5 is stored in data storage cell 3;The first watertight of the surface of pressure-resistant watertight compartment 13 setting seat 10,
Second watertight seat 11 and the 3rd watertight seat 12;Low frequency omni-directional hydrophone 14, intermediate frequency omnidirectional is installed on the transducer mounting bracket 17
Hydrophone 15 and high frequency all directional hydrophone 16, its deadweight of transducer mount 17 with seabed good coupling, and hydrophone so that protect
Hold in water body;The low frequency omni-directional hydrophone 14 by watertight cable connect the first watertight seat 10, the first watertight seat 10 it is another
End connects low frequency signal pretreatment unit 7, and the intermediate frequency all directional hydrophone 15 connects the second watertight seat 11, second by watertight cable
The other end connection intermediate-freuqncy signal pretreatment unit 8 of watertight seat 11, the high frequency all directional hydrophone 16 connects the by watertight cable
Three watertights seat 12, the other end connection high-frequency signal pretreatment unit 9 of the 3rd watertight seat 12;The low frequency signal pretreatment unit
7th, intermediate-freuqncy signal pretreatment unit 8, high-frequency signal pretreatment unit 9 connect respectively analog digital converting unit 6 low frequency, in
Frequently, high frequency interfaces;The high accuracy real-time clock 1 is controller 4, data storage cell 3, digital signal processing unit 5, simulation number
The offer high accurate clock signal of word converting unit 6, battery and its management system 2 are powered for whole device.Work is opened before lower water
Make, delivered into predetermined sub-sea location using weight, start the sound wave letters such as the activity of collection seabed, water body activity and biological activity
Number, after working after a while, being broken off relations using acoustic releaser and weight, device is returned after floating up to sea by natural buoyancy
Receiving apparatus.
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, low frequency omni-directional hydrophone, intermediate frequency all directional hydrophone and high frequency all directional hydrophone include 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.
The deep-sea sound collecting device that the utility model is provided can around round-the-clock monitoring for a long time multiple frequency ranges sea
Bottom sound, can intercept, record storage submarine earthquake, nearly all sound of the generation such as geological activity and mankind's activity.
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.
Claims (4)
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 low frequency omni-directional hydrophone (14),
Intermediate frequency all directional hydrophone (15) and high frequency all directional hydrophone (16) include two parts, and a part is coupled with seabed, another portion
Divide in water body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621409795.2U CN206269914U (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621409795.2U CN206269914U (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting device |
Publications (1)
Publication Number | Publication Date |
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CN206269914U true CN206269914U (en) | 2017-06-20 |
Family
ID=59047111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621409795.2U Active CN206269914U (en) | 2016-12-21 | 2016-12-21 | A kind of deep-sea sound collecting device |
Country Status (1)
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CN (1) | CN206269914U (en) |
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2016
- 2016-12-21 CN CN201621409795.2U patent/CN206269914U/en active Active
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