CN108037534A - A kind of underwater sound array apparatus based on underwater movable platform - Google Patents
A kind of underwater sound array apparatus based on underwater movable platform Download PDFInfo
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- CN108037534A CN108037534A CN201711445422.XA CN201711445422A CN108037534A CN 108037534 A CN108037534 A CN 108037534A CN 201711445422 A CN201711445422 A CN 201711445422A CN 108037534 A CN108037534 A CN 108037534A
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- underwater
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- data transmission
- movable platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3843—Deployment of seismic devices, e.g. of streamers
- G01V1/3852—Deployment of seismic devices, e.g. of streamers to the seabed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3817—Positioning of seismic devices
- G01V1/3835—Positioning of seismic devices measuring position, e.g. by GPS or acoustically
Abstract
The present invention discloses a kind of underwater sound array apparatus based on underwater movable platform, and the underwater sound array apparatus is connected with the underwater movable platform；The underwater sound array apparatus includes：Plug-in self-tolerant collection cabin, multichannel hydrophone linear array and carry mechanism；The plug-in self-tolerant collection cabin is fixed on the underwater movable platform by the way that the carry mechanism is plug-in；The plug-in self-tolerant collection cabin is connected with the underwater movable platform, and the plug-in self-tolerant collection cabin is also connected with the multichannel hydrophone linear array.When device of the present invention carries out seismic survey operation in deep-sea marine site, significantly decay of the big depth seawater to sound wave is avoided, improves seismic survey resolution ratio, increases stratum penetration depth.When device of the present invention is applied to marine acoustics investigation, the seabed for easily controlling underwater movable platform to navigate by water and being moved to other position is static again, saves the recycling of underwater sound array and the time laid again, improves work efficiency.
Description
Technical field
The present invention relates to geophysical exploration, marine acoustics technique for investigation field, more particularly to one kind based on underwater mobile
The underwater sound array apparatus of platform.
Background technology
Conventional marine seismic exploration is typically to pull hydrophone towed array in sea, receives the earthquake through sub-bottom reflection
Ripple, further judges seabottom geology situation by being calculated fetched data, into figure to analyze.This common seismic detection
When mode works in deep-sea marine site, due to significantly decay of the seawater to sound wave (particularly high frequency sound wave), common seismic equipment
Detection resolution and penetration depth to deep-sea stratum reduce.
Conventional marine acoustics investigation typically uses subsurface buoy mode and one or more hydrophone arrays is laid in seabed, receives
By seabed or surface scattering and through water body propagate acoustic signal, further by being calculated fetched data, Cheng Tu
Come underwater sound propagation rule of analyzing and researching.This routine marine acoustics investigation method in different places, it is necessary to repeatedly lay, recycle and dive
Mark, work efficiency are low.
The content of the invention
The object of the present invention is to provide a kind of underwater sound array apparatus based on underwater movable platform, is differentiated with improving detection
Rate, penetration depth and work efficiency.
To achieve the above object, the present invention provides a kind of underwater sound array apparatus based on underwater movable platform, the underwater sound
Array apparatus is connected with the underwater movable platform；The underwater sound array apparatus includes：Plug-in self-tolerant collection cabin, multichannel water
Listen device linear array and carry mechanism；The plug-in self-tolerant collection cabin by the carry mechanism it is plug-in be fixed on it is described underwater
On mobile platform；The plug-in self-tolerant collection cabin is connected with the underwater movable platform, and the plug-in self-tolerant collection cabin is also
It is connected with the multichannel hydrophone linear array.
Optionally, the underwater sound array apparatus further includes：Attachment mechanisms, are connected with the multichannel hydrophone linear array；
The attachment mechanisms include drag parachute and buoyant mass；The drag parachute is used to make the multichannel hydrophone linear array navigate under water
Attitude stabilization is run during row operation；The buoyant mass is used for the positive buoyancy for making the multichannel hydrophone linear array that Microsoft be presented.
Optionally, the underwater sound array apparatus further includes：Afterbody drag body；The afterbody drag body is Z-type or L-type
Connecting rod；Described connecting rod one end is fixedly connected with the afterbody of the underwater movable platform, the other end of the connecting rod with
The multichannel hydrophone linear array mounting；The afterbody drag body is used for the multichannel hydrophone during bearing to navigate by water
The towing pulling force of linear array.
Optionally, the multichannel hydrophone linear array includes：Leading cable, preceding elastic mechanism, n data acquisition device, n
+ 1 data transmission device, rear elastic mechanism；
The leading cable is connected with the preceding elastic mechanism, the preceding elastic mechanism and first data transmission device
Connection, the n+1 data transmission devices are set with the n digital acquisition device spaced series, and (n+1)th data passes
Defeated device is connected with the rear elastic mechanism；Wherein n is the integer more than or equal to 1.
Optionally, the digital acquisition device includes：The digital acquisition device includes：Multiple data acquisition process machines
Structure, p hydrophone road, q hydrophone；P is the integer more than or equal to 1, and q is the integer more than or equal to 1；
Each hydrophone is used to seismic signal being converted into earthquake simulation signal；
Each hydrophone road is used to place multiple hydrophones, and receives the earthquake simulation that each hydrophone is sent
Signal；
Each data acquisition process mechanism is connected with multiple hydrophone roads respectively, for each hydrophone road
The multiple earthquake simulation signals sent are nursed one's health and changed, and obtain seismic data.
Optionally, the n+1 data transmission devices are sequentially connected in series by electric wire, and current data transmission device is used
In sending the control instruction received to next data transmission device；Current data transmission device is additionally operable to receive next
The seismic data of a data transmission device transmission, the multiple data acquisition process machines being connected with the current data transmission device
The seismic data of structure collection.
Optionally, the plug-in self-tolerant collection cabin is the housing of sealing；The plug-in self-tolerant collection cabin includes：Data
Collecting unit, battery pack, data storage array, platform interface；
The data acquisition unit is connected with first data transmission device, and the data acquisition unit is used to obtain
The seismic data that first data transmission device is sent, and dissection process is carried out to the seismic data；The data are adopted
Collection unit is additionally operable to send control instruction to first data transmission device；
The data storage array is connected with the data acquisition unit, and the data storage array is adopted for storing data
The data obtained after collection unit collection dissection process；
The battery pack is connected with the data acquisition unit, and the battery pack is used to provide to the data acquisition unit
Electric energy；
The platform interface is used to connect the underwater movable platform and the data acquisition unit.
Optionally, the data acquisition unit includes：Microprocessor module, Logic control module, data transmission interface mould
Block, random access memory, built in test module, Clock management module, power management module, ethernet interface module, storage
Management module；
The Clock management module is used to ensure that the time is accurate；
The built in test module is used to each system is carried out to monitor and test in real time；
The data transmission interface module is used to connect first data transmission device, realizes data transfer；
The ethernet interface module is used for the control device for connecting upper level, realizes data transfer；
The power management module is connected with the battery pack, and the power management module is used to carry out the battery pack
Management, avoids the battery pack from overcharging and cross and puts, improve the service life of the battery pack；
The Logic control module respectively with the Clock management module, the built in test module, the data transfer
Interface module, ethernet interface module connection；The Logic control module is used to pass the data transmission interface module
The seismic data sent carries out dissection process；The Logic control module is additionally operable to send the control instruction to next described
Data transmission device；
The memory management module is connected with the Logic control module, the data storage array respectively, the storage
Management module is used to manage what is obtained after the Logic control module is sent to the dissection process of data storage array storage
Data；
The microprocessor module respectively with the Logic control module, power management module, described underwater mobile
Platform connects；The microprocessor module is used to receive the data obtained after the dissection process that the Logic control module is sent,
And the data obtained after the dissection process are sent to the underwater movable platform in real time；The microprocessor module is additionally operable to
Interval, sample rate, record length will be used to be sent to Logic control module；
The random access memory is connected with the microprocessor module, and the random access memory is used to lift institute
State microprocessor module processing speed.
The specific embodiment provided according to the present invention, the invention discloses following technique effect：
The present invention provides a kind of underwater sound array apparatus based on underwater movable platform, the underwater sound array apparatus and the water
Lower mobile platform connection；The underwater sound array apparatus includes：Plug-in self-tolerant collection cabin, multichannel hydrophone linear array and extension
Mounted mechanism；The plug-in self-tolerant collection cabin is fixed on the underwater movable platform by the way that the carry mechanism is plug-in；It is described
Plug-in self-tolerant collection cabin is connected with the underwater movable platform, and the plug-in self-tolerant collection cabin is also listened with the multichannel water
Device linear array connects.Compared with prior art, the present invention has the following advantages：(1) device of the present invention can be answered easily
For underwater movable platform；(2) when device of the present invention carries out seismic survey operation in deep-sea marine site, since the underwater sound receives battle array
Row near Sea Bottom pulls, and is received compared to sea, avoids big depth seawater significantly declining to sound wave (particularly high frequency sound wave)
Subtract, improve seismic survey resolution ratio, increase stratum penetration depth.(3) when device of the present invention is applied to marine acoustics investigation,
Underwater movable platform can somewhere seabed it is static, after an operating location, in that context it may be convenient to which control is underwater mobile flat
Platform navigate by water and be moved to other position seabed it is static again, save the recycling of underwater sound array and time for laying again, improve
Work efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is underwater sound array apparatus structure diagram of the embodiment of the present invention based on underwater movable platform；
Fig. 2 is underwater sound array apparatus structure diagram of the embodiment of the present invention based on underwater movable platform；
Fig. 3 is data acquisition unit structure diagram of the embodiment of the present invention；
Fig. 4 is multichannel hydrophone linear array structure diagram of the embodiment of the present invention；
Fig. 5 is the data delivery topology structure chart of multichannel hydrophone linear array of the embodiment of the present invention.
Wherein, 1, underwater movable platform, 2, plug-in self-tolerant collection cabin, 201, data acquisition unit, 202, data storage
Array, 203, battery pack, 204, platform interface, 3, carry mechanism, 4, multichannel hydrophone linear array, 401, leading cable, 402,
Preceding elastic mechanism, 403, data transmission device, 404, digital acquisition device, 4041, data acquisition process mechanism, 4042, water listens
Device road, 4043, hydrophone, 405, rear elastic mechanism, 5, afterbody drag body, 6, attachment mechanisms.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The object of the present invention is to provide a kind of underwater sound array apparatus based on underwater movable platform, is differentiated with improving detection
Rate, penetration depth and work efficiency.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is underwater sound array apparatus structure diagram of the embodiment of the present invention based on underwater movable platform；(a) figure in Fig. 1
Structure chart when being navigated by water under water for underwater sound array apparatus, structure chart when (b) is underwater sound array apparatus inactive state in Fig. 1；
As shown in Figure 1, the present invention provides a kind of underwater sound array apparatus based on underwater movable platform, the underwater sound array apparatus with it is described
Underwater movable platform 1 connects；The underwater sound array apparatus includes：Plug-in self-tolerant collection cabin 2, multichannel hydrophone linear array 4
And carry mechanism 3；The plug-in self-tolerant collection cabin 2 by the carry mechanism 3 it is plug-in be fixed on it is described underwater mobile flat
On platform 1；The plug-in self-tolerant collection cabin 2 is connected with the payload interface of the underwater movable platform 1, and the plug-in self-tolerant is adopted
Collection cabin 2 is also connected with the multichannel hydrophone linear array 4.
The plug-in self-tolerant in the present invention gathers to be passed through between cabin 2 and the payload interface of the underwater movable platform 1
Underwater electrical connector connects；Pass through watertight between the plug-in self-tolerant collection cabin 2 and the multichannel hydrophone linear array 4 connection
Connector connects, and underwater electrical connector can bear to be not less than 10mPa deep water static pressures.
Underwater sound array apparatus of the present invention further includes：Attachment mechanisms 6, are connected with the multichannel hydrophone linear array 4；
The attachment mechanisms 6 include drag parachute and buoyant mass；The drag parachute is used to make the multichannel hydrophone linear array 4 under water
Attitude stabilization is run when navigating by water operation；The buoyant mass is used to make the multichannel hydrophone linear array 4 that top-uping for Microsoft be presented
Power.
For the present invention when underwater movable platform 1 navigates by water operation under water, multichannel hydrophone linear array 4 is towed in underwater
1 afterbody of mobile platform, in order to make 4 attitude stabilization of multichannel hydrophone linear array, is installed in 4 afterbody of multichannel hydrophone linear array
Drag parachute, drag parachute are connected with rear elastic mechanism 405, specifically refer to (a) in (a) and Fig. 4 in Fig. 1.
The present invention is when that underwater movable platform 1 can sit bottom in seabed is static, or when hovering in a certain depth of water position, due to
The overall positive buoyancy that Microsoft is presented of multichannel hydrophone linear array 4, and then nearly vertical configuration is presented in multichannel hydrophone linear array 4
State, is specifically referred to (b) in (b) and Fig. 4 in Fig. 1.
Underwater sound array apparatus of the present invention further includes：Afterbody drag body 5；The afterbody drag body 5 is Z-type or L
The connecting rod of type；Described connecting rod one end is fixedly connected with the afterbody of the underwater movable platform 1, the other end of the connecting rod
Mounted with the multichannel hydrophone linear array 4；The afterbody drag body 5 is used for the multichannel water during bearing to navigate by water
Listen the towing pulling force of device linear array 4.
Underwater movable platform 1 of the present invention includes polytype underwater research vehicle, includes but not limited to autonomous type water
Diving device (AUV), remotely pilotless submersible (ROV), underwater glider (Glider).
Autonomous controller, navigation controller, load controller, load are further included inside underwater movable platform 1 of the present invention
Lotus interface.Autonomous controller is responsible for performing set navigation and plans and perceive environmental parameter, when environment is unfavorable optimization or again into
Row navigation planning；Navigation controller is responsible for controlling aircraft key element (energy, communication, propulsion, record, navigation) and monitors aircraft
State；Payload interface is responsible for being connected with load；Load controller perform load planning, control load key element (sensor, record,
Executing agency) and monitor loaded-up condition.
Fig. 4 is multichannel hydrophone linear array structure diagram of the embodiment of the present invention；(a) is horizontal array knot in wherein Fig. 4
Structure schematic diagram, (b) are vertical array structure diagram, and Fig. 5 is the data transfer of multichannel hydrophone linear array of the embodiment of the present invention
Topology diagram；As shown in fig. 4-5, multichannel hydrophone linear array 4 of the present invention includes：Leading cable 401, preceding elastic machine
Structure 402, n data acquisition device 404, n+1 data transmission device 403, rear elastic mechanism 405；The leading cable 401 and institute
Elastic mechanism 402 connects before stating, and the preceding elastic mechanism 402 is connected with first data transmission device 403, n+1 institute
State data transmission device 403 and n 404 spaced series of digital acquisition device to set, (n+1)th data transmission device
403 are connected with the rear elastic mechanism 405；Wherein n is the integer more than or equal to 1.
Leading cable 401 of the present invention plays draw；The preceding elastic mechanism 402 is used to isolate underwater movable platform
1 mechanical oscillation produced；Data acquisition device 404 is used to obtain seismic data；Elastic mechanism 405 is made an uproar for isolated tail afterwards
Sound.
The n+1 of the present invention data transmission devices 403 are sequentially connected in series by electric wire, current data transmission device
403 are used to send the control instruction received to next data transmission device 403；Current data transmission device 403 is also
For receiving seismic data that next data transmission device 403 sends, being connected with the data transmission device 403 currently
The seismic data that multiple data acquisition process mechanisms 4041 gather.
Digital acquisition device 404 of the present invention includes：The digital acquisition device 404 includes：At multiple data acquisitions
Manage mechanism 4041, p hydrophone road 4042, q hydrophone 4043；P is the integer more than or equal to 1, and q is whole more than or equal to 1
Number；Each hydrophone 4043 is used to seismic signal being converted into earthquake simulation signal；Each hydrophone road 4042 is used to put
Multiple hydrophones 4043 are put, and receive the earthquake simulation signal that each hydrophone 4043 is sent；Multiple hydrophones 4043
Connect in parallel or series；Each data acquisition process mechanism 4041 is connected with multiple hydrophone roads 4042 respectively, is used for
The multiple earthquake simulation signals sent to each hydrophone road 4042 are nursed one's health and changed, and obtain seismic data.
Filling buoyant material in the inside of multichannel hydrophone linear array 4 of the present invention, buoyant material can be liquid, glue
Body, solid.
Plug-in self-tolerant collection cabin 2 of the present invention is the housing of sealing；The plug-in self-tolerant collection cabin 2 includes：Number
According to collecting unit 201, battery pack 203, data storage array 202, platform interface 204；The data acquisition unit 201 and first
A data transmission device 403 connects, and the data acquisition unit 201 is used to obtain first data transmission device
403 seismic datas sent, and dissection process is carried out to the seismic data；The data acquisition unit 201 is additionally operable to
One data transmission device 403 sends control instruction；The data storage array 202 and the data acquisition unit 201
Connection, the data storage array 202 are used to store the data obtained after the collection dissection process of data acquisition unit 201；It is described
Battery pack 203 is connected with the data acquisition unit 201, and the battery pack 203 is used to provide to the data acquisition unit 201
Electric energy；The platform interface 204 is used to connect the underwater movable platform 1 and the data acquisition unit 201.
Data storage array 202 of the present invention, can be SD card, hard disk or other devices.
Fig. 3 is data acquisition unit structure diagram of the embodiment of the present invention, as shown in figure 3, data acquisition list of the present invention
Member 201 includes：Microprocessor module, Logic control module, data transmission interface module, random access memory, built in test
Module, Clock management module, power management module, ethernet interface module, memory management module.
Clock management module of the present invention is used to ensure that the time is accurate；Specifically, ensure the time of collection seismic data
Accurately；The Clock management module for High Precision Crystal Oscillator or is used as clock source by the use of atomic clock.
The built in test module is used to each system is carried out to monitor and test in real time；Each system includes power-supply system, deposits
Storage system, communication system, task order system.
Data transmission interface module of the present invention connects first data transmission device 403, is used for realization data
Transmission；The data transmission interface inside modules are embedded in the transport protocol identical with data transmission device 403.
Ethernet interface module of the present invention is used for the control device for connecting upper level, is used for realization data and control is ordered
The transmission of order.
Power management module of the present invention, is managed battery pack 203, avoids battery pack 203 from overcharging and cross and puts, carries
High 203 service life of battery pack；The voltage to battery pack 203 is isolated, is converted at the same time, produces the low-voltage direct of suitable voltage
Power supply 201 control circuit of supply data acquisition unit uses.
Logic control module of the present invention respectively with the Clock management module, the built in test module, the number
According to coffret module, the ethernet interface module, the Logic control module, the storage management module connection；It is described to patrol
Collect control module and receive the seismic data of the data transmission interface module transmission, and the seismic data is carried out at parsing
Reason, the data obtained after dissection process are sent to microprocessor module in real time, also sent in real time by memory management module to
Data storage array 202 stores.The dissection process includes data check, rearrangement, the identifying processing work of part control information；
The Logic control module is additionally operable to send the control instruction to next data transmission device 403.
Memory management module of the present invention is connected with the Logic control module, the data storage array 202 respectively,
The memory management module is sent to the parsing of the data storage array 202 storage for managing the Logic control module
The data obtained after reason；The memory management module includes high speed storage array and its array management circuit.
Microprocessor module of the present invention respectively with the Logic control module, the power management module, underwater fortune
Carry device connection；The microprocessor module is used to receive the data obtained after the dissection process that the Logic control module is sent,
And the data obtained after dissection process are sent to the underwater research vehicle in the underwater movable platform in real time；Micro- place
Reason device module is additionally operable to that Logic control module will be sent to using interval, sample rate, record length；The microprocessor module is
The control core of data acquisition unit 201.
The random access memory is connected with the microprocessor module, and the random access memory is used to lift institute
State microprocessor module processing speed；The random access memory is DDR Double Data Rate synchronous DRAMs.
Data acquisition unit 201 of the present invention, may operate in automatic mode, can also work in controlled mode；When
When working in automatic mode, the parameter such as sampling interval for being set in advance according to user, sample rate, sampling length, with setting
Fixed carries out data Underwater Acoustic Data Acquisition using interval is automatic.When working in controlled mode, underwater movable platform 1 passes through load
Lotus interface is configured and controls to data acquisition unit 201；Specific underwater movable platform 1 can set data acquisition unit
201 using interval, sample rate, parameter, the underwater movable platform 1 such as sampling length can also control data by load controller
The startup and closing of collecting unit 201.
Embodiment one：
Specific works step is as follows：
(1) research vessel reaches set working sea area.
(2) user sets data acquisition unit 201 by the way that network interface is (wired or wireless), sets the sampling interval, adopts
The running parameters such as sample rate, sampling length, data acquisition unit 201 is set and works in automatic operation mode, test equipment is in
Normal operating conditions.
(3) external hanging type is dived on device (AUV) from collection cabin is held by 3 carry of carry mechanism in autonomous underwater.
(4) multichannel hydrophone linear array 4 is installed on AUV afterbodys by afterbody drag body 5, and in external hanging type from
Hold collection cabin to be connected.Install 4 afterbody of multichannel hydrophone linear array additional drag parachute.
(5) AUV running parameters are set, AUV is laid and navigates to sea, AUV according to set running parameter, working depth, work
Line navigates by water.
(6) source emission is artificial source's seismic wave, sound source can be towing in the sound source of research vessel stern or
The sound source that AUV is carried.
(7) multichannel hydrophone linear array 4 is pulled in AUV afterbodys in only horizontality.
(8) ground that the collection of 4 data acquisition device hydrophone of multichannel hydrophone linear array, 4043 passage is reflected by stratum
Seismic wave signal, analog electrical signal is converted to by seismic signal by acoustical signal, then by data transmission device 403 by analog electrical signal
Digital electric signal is converted to, uploads to data acquisition unit 201.Data acquisition unit 201 by multichannel seismic signal storage with
Data storage array 202.
(9) work terminates near post command AUV return water surface arrival research vessels.
(10) AUV and its underwater sound towed array are recycled to investigation boat deck.
(11) unloading of multichannel seismic data is backed up.
(12) charge for AUV and collection cabin battery pack 203, preparation next stage lays work.
Embodiment one is used for marine seismic prospectiong in the present invention, and used sound source is usually air gun sound source, electric spark sound
Source, transducer sound source etc..
Embodiment two：
Specific works step is as follows：
(1) research vessel reaches set working sea area.
(2) user sets data acquisition unit 201 by the way that network interface is (wired or wireless), sets the sampling interval, adopts
The running parameters such as sample rate, sampling length, data acquisition unit 201 is set and works in automatic operation mode, test equipment is in
Normal operating conditions.
(3) external hanging type is dived on device (AUV) from collection cabin is held by 3 carry of carry mechanism in autonomous underwater.
(4) multichannel hydrophone linear array 4 is installed on AUV afterbodys by afterbody drag body 5, and in external hanging type from
Hold collection cabin to be connected.
(5) AUV running parameters are set, AUV is laid and reaches and specify according to set running parameter, navigation to sea, AUV
Position seabed, AUV shut down and are still in seabed.
(6) sound source can be the sound wave manually launched, such as hangs or pull in the sound source of research vessel stern；Can also be
Noise source, such as the noise that nearby naval vessel produces.
(7) multichannel hydrophone linear array 4 in AUV afterbodys in only plumbness.
(8) sound that the collection of 4 data acquisition device hydrophone of multichannel hydrophone linear array, 4043 passage is propagated by water body
Signal, analog electrical signal is converted to by acoustical signal, then analog electrical signal is converted to digital telecommunication by data transmission device 403
Number, upload to data acquisition unit 201.Data acquisition unit 201 stores multi channel underwater signal and data storage array
202。
(9) work terminates near post command AUV return water surface arrival research vessels.
(10) AUV and its underwater sound towed array are recycled to investigation boat deck.
(11) multi channel underwater data conversion storage is backed up.
(12) charge for AUV and collection cabin battery pack 203, preparation next stage lays work.
The embodiment of the present invention two is investigated for marine acoustics, and used sound source further includes surrounding in addition to above-mentioned sound source
Noise source caused by the naval vessels such as submarine, is suitable for monitoring, antisubmarine etc..
The present invention has the following advantages：
(1) device of the present invention can be conveniently applied to underwater movable platform 1.
(2) when device of the present invention carries out seismic survey operation in deep-sea marine site, due to underwater sound receiving array near Sea Bottom
Towing, receives compared to sea, avoids significantly decay of the big depth seawater to sound wave (particularly high frequency sound wave), improves
Seismic survey resolution ratio, increases stratum penetration depth.
(3) device of the present invention be applied to marine acoustics investigate when, underwater movable platform 1 can somewhere seabed it is static,
After an operating location, in that context it may be convenient to control underwater movable platform 1 to navigate by water and be moved to the seabed of other position again
It is secondary static, the recycling of underwater sound array and the time laid again are saved, greatly improves work efficiency.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Specific case used herein is set forth the principle of the present invention and embodiment, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In conclusion this specification content is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of underwater sound array apparatus based on underwater movable platform, it is characterised in that the underwater sound array apparatus and the water
Lower mobile platform connection；The underwater sound array apparatus includes：Plug-in self-tolerant collection cabin, multichannel hydrophone linear array and extension
Mounted mechanism；The plug-in self-tolerant collection cabin is fixed on the underwater movable platform by the way that the carry mechanism is plug-in；It is described
Plug-in self-tolerant collection cabin is connected with the underwater movable platform, and the plug-in self-tolerant collection cabin is also listened with the multichannel water
Device linear array connects.
2. underwater sound array apparatus according to claim 1, it is characterised in that the underwater sound array apparatus further includes：Accessory
Mechanism, is connected with the multichannel hydrophone linear array；The attachment mechanisms include drag parachute and buoyant mass；The drag parachute is used
Attitude stabilization is run when the multichannel hydrophone linear array is navigated by water operation under water；The buoyant mass is used to make described more
The positive buoyancy of Microsoft is presented in passage hydrophone linear array.
3. underwater sound array apparatus according to claim 1, it is characterised in that the underwater sound array apparatus further includes：Afterbody
Drag body；The afterbody drag body is Z-type or the connecting rod of L-type；Described connecting rod one end and the underwater movable platform
Afterbody be fixedly connected, the other end of the connecting rod and the multichannel hydrophone linear array mount；The afterbody towing aircraft
Structure is used for the towing pulling force of the multichannel hydrophone linear array during bearing to navigate by water.
4. underwater sound array apparatus according to claim 1, it is characterised in that the multichannel hydrophone linear array includes：
Leading cable, preceding elastic mechanism, n data acquisition device, n+1 data transmission device, rear elastic mechanism；
The leading cable is connected with the preceding elastic mechanism, and the preceding elastic mechanism and first data transmission device connect
Connect, the n+1 data transmission devices are set with the n digital acquisition device spaced series, (n+1)th data transfer
Device is connected with the rear elastic mechanism；Wherein n is the integer more than or equal to 1.
5. underwater sound array apparatus according to claim 4, it is characterised in that the digital acquisition device includes：The number
Word harvester includes：Multiple data acquisition process mechanisms, p hydrophone road, q hydrophone；P is the integer more than or equal to 1,
Q is the integer more than or equal to 1；
Each hydrophone is used to seismic signal being converted into earthquake simulation signal；
Each hydrophone road is used to place multiple hydrophones, and receives the earthquake simulation letter that each hydrophone is sent
Number；
Each data acquisition process mechanism is connected with multiple hydrophone roads respectively, for being sent to each hydrophone road
Multiple earthquake simulation signals nursed one's health and changed, obtain seismic data.
6. underwater sound array apparatus according to claim 5, it is characterised in that the n+1 data transmission devices pass through electricity
Line is sequentially connected in series, and current data transmission device is used to send the control instruction received to next data transfer dress
Put；Current data transmission device be additionally operable to receive the seismic data that next data transmission device sends, with currently described
The seismic data of multiple data acquisition process mechanisms collection of data transmission device connection.
7. underwater sound array apparatus according to claim 4, it is characterised in that the plug-in self-tolerant collection cabin is sealing
Housing；The plug-in self-tolerant collection cabin includes：Data acquisition unit, battery pack, data storage array, platform interface；
The data acquisition unit is connected with first data transmission device, and the data acquisition unit is used to obtain first
The seismic data that a data transmission device is sent, and dissection process is carried out to the seismic data；The data acquisition list
Member is additionally operable to send control instruction to first data transmission device；
The data storage array is connected with the data acquisition unit, and the data storage array is used to store data acquisition list
The data obtained after member collection dissection process；
The battery pack is connected with the data acquisition unit, and the battery pack is used to provide electricity to the data acquisition unit
Energy；
The platform interface is used to connect the underwater movable platform and the data acquisition unit.
8. underwater sound array apparatus according to claim 7, it is characterised in that the data acquisition unit includes：Microprocessor
Device module, Logic control module, data transmission interface module, random access memory, built in test module, Clock management mould
Block, power management module, ethernet interface module, memory management module；
The Clock management module is used to ensure that the time is accurate；
The built in test module is used to each system is carried out to monitor and test in real time；
The data transmission interface module is used to connect first data transmission device, realizes data transfer；
The ethernet interface module is used for the control device for connecting upper level, realizes data transfer；
The power management module is connected with the battery pack, and the power management module is used to carry out pipe to the battery pack
Reason, avoids the battery pack from overcharging and cross and puts, improve the service life of the battery pack；
The Logic control module respectively with the Clock management module, the built in test module, the data transmission interface
Module, ethernet interface module connection；The Logic control module is used for data transmission interface module transmission
Seismic data carries out dissection process；The Logic control module is additionally operable to send the control instruction to next data
Transmitting device；
The memory management module is connected with the Logic control module, the data storage array respectively, the storage management
Module is used to manage the data obtained after the Logic control module is sent to the dissection process of data storage array storage；
The microprocessor module respectively with the Logic control module, the power management module, the underwater movable platform
Connection；The microprocessor module is used to receive the data obtained after the dissection process that the Logic control module is sent, and will
The data obtained after the dissection process are sent to the underwater movable platform in real time；The microprocessor module is additionally operable to adopt
Logic control module is sent to interval, sample rate, record length；
The random access memory is connected with the microprocessor module, and the random access memory is used to be lifted described micro-
Processor module processing speed.
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| CN201711445422.XA CN108037534A (en) | 2017-12-27 | 2017-12-27 | A kind of underwater sound array apparatus based on underwater movable platform |
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| CN111174904B (en) * | 2020-01-13 | 2021-10-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Acoustic holographic test conformal array for underwater noise source separation |
| CN111174904A (en) * | 2020-01-13 | 2020-05-19 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Acoustic holographic test conformal array for underwater noise source separation |
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