CN107966735A - A kind of sonic source device based on underwater movable platform - Google Patents
A kind of sonic source device based on underwater movable platform Download PDFInfo
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- CN107966735A CN107966735A CN201711445428.7A CN201711445428A CN107966735A CN 107966735 A CN107966735 A CN 107966735A CN 201711445428 A CN201711445428 A CN 201711445428A CN 107966735 A CN107966735 A CN 107966735A
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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
- G01V1/3861—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas control of source arrays, e.g. for far field control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/10—Aspects of acoustic signal generation or detection
- G01V2210/12—Signal generation
- G01V2210/129—Source location
- G01V2210/1297—Sea bed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/61—Analysis by combining or comparing a seismic data set with other data
- G01V2210/616—Data from specific type of measurement
- G01V2210/6161—Seismic or acoustic, e.g. land or sea measurements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Oceanography (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Power Engineering (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of sonic source device based on underwater movable platform, the sonic source device includes external hanging type sound source cabin, carry mechanism and multi-electrode emission array mechanism；The external hanging type sound source cabin is fixed on the underwater movable platform by the way that the carry mechanism is plug-in；The external hanging type sound source cabin is also connected with the multi-electrode emission array mechanism；Acoustic energy is converted into by quick release after the electric energy in the external hanging type sound source cabin is transferred to the multi-electrode emission array mechanism, excites sound wave.Compared with prior art, sonic source device provided by the invention, when carrying out seismic survey operation in deep-sea marine site, since sound source near Sea Bottom pulls, compared to sea sound source, significantly decay of the big depth seawater to sound wave (particularly high frequency sound wave) is avoided, seismic survey resolution ratio is improved, adds stratum penetration depth.
Description
Technical field
The present invention relates to geophysical exploration technique for investigation field, more particularly to a kind of sound based on underwater movable platform
Source device.
Background technology
Conventional marine seismic exploration is typically to pull source emission battle array research vessel in sea, the sound wave of source emission
Received, gather by hydrophone array after sub-bottom reflection after seawater is propagated, then analyzed by further calculating, into figure
Judge seabottom geology situation.When this routine marine seismic exploration mode works in deep-sea marine site, since seawater is (special to sound wave
High frequency sound wave) significantly decay, cause detection resolution and penetration depth of the conventional offshore earthquake equipment to deep-sea stratum
Reduce.
The content of the invention
The object of the present invention is to provide a kind of sonic source device based on underwater movable platform, it is possible to increase deep-sea marine site ocean
Seismic survey resolution ratio and stratum penetration depth.
To achieve the above object, the present invention provides following scheme：
A kind of sonic source device based on underwater movable platform, the sonic source device are connected with the underwater movable platform；Institute
Stating sonic source device includes external hanging type sound source cabin, carry mechanism and multi-electrode emission array mechanism；The external hanging type sound source cabin leads to
Cross that the carry mechanism is plug-in to be fixed on the underwater movable platform；Also launch with the multi-electrode in the external hanging type sound source cabin
Array mechanism connects.
Optionally, the sonic source device further includes high-voltage transmission cable；The external hanging type sound source cabin is passed by the high pressure
Transmission cable is connected with the multi-electrode emission array mechanism；The high-voltage transmission cable includes at least high potential electric wire and zero potential
Two electric wires of electric wire.
Optionally, the sonic source device further includes afterbody drag body；The afterbody drag body is Z-type or the company of L-type
Extension bar；Described connecting rod one end is fixedly connected with the afterbody of the underwater movable platform, the other end of the connecting rod with it is described
High-voltage transmission cable mounts；The afterbody drag body is used for the high pressure during bearing the underwater movable platform navigation and passes
The towing pulling force of transmission cable and the multi-electrode emission array mechanism.
Optionally, the external hanging type sound source cabin is the housing of sealing；Include sound source host module and battery in the housing
Group；
The sound source host module includes central controller, energy capacitance set and is all connected with the central controller
Charhing unit, sample circuit, discharge cell, Phototube Coupling interface, radio network interface, power management module；
The battery pack is connected by the power management module with the central controller；The power management module is used
It is managed in the battery pack, avoids the battery pack from overcharging and cross and put, improve the service life of the battery pack；
The energy capacitance set is all connected with the charhing unit, the sample circuit and the discharge cell；
The discharge cell is connected with the multi-electrode emission array mechanism；
The energy capacitance set is made of multiple pulse storage capacitors；
The sample circuit, for carrying out partial pressure sampling to the voltage of the energy capacitance set, obtains the storage capacitor
The magnitude of voltage of group, and it is sent to the central controller；The sample circuit is the circuit being made of two resistance；
The Phototube Coupling interface, for receiving outer triggering signal；
The radio network interface, institute is sent to for receiving the sound source parameter of user setting, and by the sound source parameter
State central controller；The radio network interface is blue tooth interface or WIFI interface；
The central controller, for according to the sound source parameter, the magnitude of voltage of the energy capacitance set and described outer
Portion's trigger signal, controls the charging and discharging of the energy capacitance set；The central controller for N87C196KD microcontrollers and
The controller of PSD311 peripheral chips composition.
Optionally, the charhing unit includes boosting rectifier charging circuit and charging control circuit；
The central controller is connected by the charging control circuit with the boosting rectifier charging circuit；The boosting
Rectifier charging circuit is also all connected with the energy capacitance set, the battery pack；
The boosting rectifier charging circuit, for carrying out inversion, boosting, rectification to the DC power supply in the battery pack,
Low-voltage dc power supply in the battery pack is transformed to high-voltage DC power supply；The boosting rectifier charging circuit is complete by IGBT
The circuit of bridge circuit and high frequency high voltage transformer composition；The charging control circuit is by two panels 2SD106AI-17 driving chips
The circuit of composition.
Optionally, the discharge cell includes total solids discharge switch and discharge switch control circuit；
The central controller is connected by the discharge switch control circuit with the total solids discharge switch；It is described complete
Solid discharge switch is also all connected with the energy capacitance set, the multi-electrode emission array mechanism；The total solids is put
Electric switch is DNX_PT85QWx45 thyristors.
Optionally, the multi-electrode emission array mechanism includes high-field electrode array, metal framework, entrant sound pressure-resistant cabin, electricity
Electrolyte solution and buoyancy cylindrical structure；
The electrolyte solution is full of in the entrant sound pressure-resistant cabin, and the high-field electrode array, the metal framework are equal
It is immersed in the electrolyte solution；The buoyancy cylindrical structure is two, respectively positioned at the head end of the entrant sound pressure-resistant cabin
And tail end, and be fixedly connected with the entrant sound pressure-resistant cabin；The high-field electrode array is connected with the high potential electric wire, described
Metal framework is connected with zero potential electric wire；
The high-field electrode array is used for the high-voltage potential of the electric discharge as the multi-electrode emission array mechanism, the gold
Belong to the zero potential for the electric discharge that frame is used for as the multi-electrode emission array mechanism, the electrolyte solution is used for described in conduct
Discharge channel between the high-voltage potential and zero potential of multi-electrode emission array mechanism；
The entrant sound pressure-resistant cabin is used to completely cut off deep water high static pressure environment, makes the high-field electrode array and the metal framework
In atmospheric pressure environment；The buoyancy cylindrical structure is used for the weight for offsetting the high-field electrode array and metal framework.
Optionally, the high-field electrode array includes multiple high-voltage discharging electrodes；The electrolyte solution is seawater；It is described
The material of entrant sound pressure-resistant cabin is carbon fibre material；The material of the buoyancy cylindrical structure is glass microballoon buoyant material.
Optionally, shown carry mechanism includes fixing bracket, fixing bolt, beam；By the fixing bracket, described
Fixing bolt and the beam external hanging type sound source is hung out of my cabin the bottom that is fixed on the underwater movable platform or
Flank.
Optionally, the sonic source device further includes underwater electrical connector, and the Phototube Coupling interface in the external hanging type sound source cabin leads to
Cross and be connected described in the underwater electrical connector with the payload interface of underwater movable platform, be used for realization the outer triggering signal
Transmission.
The specific embodiment provided according to the present invention, the invention discloses following technique effect：
The present invention provides a kind of sonic source device based on underwater movable platform, the sonic source device includes external hanging type sound source
Cabin, carry mechanism and multi-electrode emission array mechanism；The external hanging type sound source cabin is fixed on by the way that the carry mechanism is plug-in
On the underwater movable platform；The external hanging type sound source cabin is also connected with the multi-electrode emission array mechanism；By by described in
Quick release is converted into acoustic energy, excitation sound after electric energy in external hanging type sound source cabin is transferred to the multi-electrode emission array mechanism
Ripple.Compared with prior art, sonic source device provided by the invention, has the following advantages：(1) sonic source device can be convenient
Applied to underwater movable platform；When the sonic source device carries out seismic survey operation in deep-sea marine site, since sound source near Sea Bottom drags
Drag, compared to sea sound source, avoid significantly decay of the big depth seawater to sound wave (particularly high frequency sound wave), improve ground
Detection resolution is shaken, increases stratum penetration depth.(3) towing of multi-electrode emission array mechanism weakens in underwater research vehicle rear
Vibration and interference of the source emission to the vehicle in underwater movable platform, can launch the sound wave of tall and big sound source level.
In addition, the use of the entrant sound pressure-resistant cabin in multi-electrode emission array mechanism so that sonic source device can be in deep water height
Used under hydrostatic pressure condition, the acoustical signal spectrum of generation is suitable with sound source level that Layer Near The Sea Surface produces, frequency spectrum.
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 the structure diagram of sonic source device of the embodiment of the present invention based on underwater movable platform；
Fig. 2 is the structure diagram of sonic source device of the embodiment of the present invention based on underwater movable platform；
Fig. 3 is the structure diagram in external hanging type sound source cabin of the present invention；
Fig. 4 is the schematic side view of multi-electrode emission array mechanism of the present invention；
Fig. 5 is the elevational schematic view of multi-electrode emission array mechanism of the present invention.
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 sonic source device based on underwater movable platform, it is possible to increase deep-sea marine site ocean
Seismic survey resolution ratio and stratum penetration depth.
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 the structure diagram of sonic source device of the embodiment of the present invention based on underwater movable platform.As shown in Figure 1, this
Invention sonic source device is connected with underwater movable platform 1；The sonic source device includes external hanging type sound source cabin 2, more carry mechanism 3, electricity
Pole emission array mechanism 4 and high-voltage transmission cable 5.
The external hanging type sound source cabin 2 is fixed on the underwater movable platform 1 by the way that the carry mechanism 3 is plug-in；It is described
External hanging type sound source cabin 2 is connected by the high-voltage transmission cable 5 with the multi-electrode emission array mechanism 4；By will be described outer
Quick release is converted into acoustic energy, excitation sound after electric energy in hanging sound source cabin 2 is transferred to the multi-electrode emission array mechanism 4
Ripple.
The sonic source device further includes afterbody drag body 6；The afterbody drag body 6 is the high intensity of Z-type or L-type
Connecting rod；Described connecting rod one end is fixedly connected with the afterbody of the underwater movable platform 1, the other end of the connecting rod and institute
High-voltage transmission cable 5 is stated to mount；The afterbody drag body 6 is used to bear described during the underwater movable platform 1 navigates by water
The towing pulling force of high-voltage transmission cable 5 and the multi-electrode emission array mechanism 4.
The underwater movable platform 1, including polytype underwater research vehicle and payload interface, include but not limited to certainly
Main formula underwater hiding-machine (AUV), remotely pilotless submersible (ROV), underwater glider (Glider).The sonic source device further includes water
Touch plug-in unit, the Phototube Coupling interface in the external hanging type sound source cabin 2 by described in the underwater electrical connector with underwater movable platform 1
Payload interface be connected, be used for realization the transmission of the outer triggering signal；And external hanging type sound source cabin 1 and high-voltage transmission cable
Signal transmission is also carried out using the underwater electrical connector between 5.
Wherein, the high-voltage transmission cable 5 includes at least two electric wires, and one is high potential electric wire, and another is zero electricity
Position electric wire.
High-voltage transmission cable of the present invention has the effect that：
First, for the high-voltage power transmission that the external hanging type sound source cabin 2 produces to multi-electrode to be launched array mechanism 4.
Second, for pulling multi-electrode transmitting array mechanism 4.
3rd, the mechanical oscillation produced for isolating multi-electrode transmitting array mechanism 4, prevent multi-electrode from launching array structure
Vibration interference underwater movable platform 1 during 4 discharge excitation.
The carry mechanism 3, including fixing bracket, fixing bolt, beam, for external hanging type sound source cabin 2 is firm solid
It is scheduled on bottom or the flank of underwater movable platform 1.
Fig. 2 is the structure diagram of sonic source device of the embodiment of the present invention based on underwater movable platform, as shown in Fig. 2, described
Sonic source device is connected with the underwater movable platform 1；The sonic source device includes external hanging type sound source cabin 2, more carry mechanism 3, electricity
Pole emission array mechanism 4, high-voltage transmission cable 5 and afterbody drag body 6.
The inside of underwater movable platform 1 includes autonomous controller, navigation controller, load controller and payload interface.
Autonomous controller is used to be responsible for performing set navigation planning and perceives environmental parameter, optimizes when environment is unfavorable or re-starts boat
Professional etiquette is drawn；Navigation controller is used to be responsible for control aircraft key element (energy, communication, propulsion, record, navigation) and monitors aircraft
State；Load controller performs load planning, and control load key element (sensor, record, executing agency) simultaneously monitors loaded-up condition.
The shell in external hanging type sound source cabin 2 described in the embodiment of the present invention needs to be fully sealed；The external hanging type sound source cabin 2 is close
The housing of envelope；Include sound source host module 201 and battery pack 202 in the housing；
The sound source host module include central controller and be all connected with the central controller charhing unit,
Discharge cell, Phototube Coupling interface, radio network interface and energy capacitance set.
The multi-electrode emission array mechanism 4 is connected by external hanging type sound source cabin 2 described in the discharge cell.
Fig. 3 is the structure diagram in external hanging type sound source cabin of the present invention, as shown in figure 3, the external hanging type sound source cabin 2 includes sound source
Host module 201 and battery pack 202.
The sound source host module includes central controller, energy capacitance set and is all connected with the central controller
Charhing unit, sample circuit, discharge cell, Phototube Coupling interface, radio network interface and power management module.
The battery pack is connected by the power management module with the central controller；The power management module is used
It is managed in the battery pack, avoids the battery pack from overcharging and cross and put, improve the service life of the battery pack.
The energy capacitance set is all connected with the charhing unit, the sample circuit and the discharge cell.
The discharge cell is connected with the multi-electrode emission array mechanism.
The energy capacitance set is made of multiple pulse storage capacitors.The pulse storage capacitor, can be with quick charge simultaneously
Electric energy is stored, and can be sparked；It can again charge after electric discharge, can spark afterwards；Preferably, it is of the present invention
Pulse storage capacitor, selects high-voltage pulse capacitor, and charging allowable voltage, can be in 0.2ms after fully charged not less than being 4.2kV
Quick and complete electric discharge in time.
The sample circuit, for carrying out partial pressure sampling to the voltage of the energy capacitance set, obtains the storage capacitor
The magnitude of voltage of group, and it is sent to the central controller.The sample circuit is the circuit that is made of two resistance, and two electricity
The resistance value difference of resistance is at least more than 10 times.Preferably, two resistance of sample circuit of the present invention, a resistance are
99 kilo-ohms, another resistance is 1 kilo-ohm, is represented if sampled voltage is 1 volt when capacitance voltage is 1000 volt.
The Phototube Coupling interface, for receiving outer triggering signal.Outer triggering signal can come from underwater research vehicle,
It can be from miscellaneous equipment.TTL electric signals during outer triggering signal, give central control unit after Phototube Coupling.Light
Electric isolution can be to avoid interference and damage of the sound source host module internal high voltages to underwater research vehicle or miscellaneous equipment.
The radio network interface, institute is sent to for receiving the sound source parameter of user setting, and by the sound source parameter
State central controller.The radio network interface is blue tooth interface or WIFI interface, can be connected with computer or mobile phone, necessary
When can also monitor sound source operating status in real time.
The central controller, for according to the sound source parameter, the magnitude of voltage of the energy capacitance set and described outer
Portion's trigger signal, controls the charging and discharging of the energy capacitance set；The central controller for N87C196KD microcontrollers and
The controller of PSD311 peripheral chips composition.
The charhing unit includes boosting rectifier charging circuit and charging control circuit.
The central controller is connected by the charging control circuit with the boosting rectifier charging circuit；The boosting
Rectifier charging circuit is also all connected with the energy capacitance set, the battery pack.
The boosting rectifier charging circuit, for carrying out inversion, boosting, rectification to the DC power supply in the battery pack,
Low-voltage dc power supply in the battery pack is transformed to high-voltage DC power supply.The boosting rectifier charging circuit is complete by IGBT
The circuit of bridge circuit and high frequency high voltage transformer composition.The charging control circuit is by two panels 2SD106AI-17 driving chips
The circuit of composition.The charging control circuit, according to the order of central controller, starts or stops charging
The order transmitted by the central controller, starts or stops the charging control circuit, and then controls institute
State the startup or stopping of boosting rectifier charging circuit.
The discharge cell includes total solids discharge switch and discharge switch control circuit；The central controller passes through institute
Discharge switch control circuit is stated to be connected with the total solids discharge switch；The total solids discharge switch also with the energy storage
Capacitance group, the multi-electrode emission array mechanism are all connected with；The total solids discharge switch, including thyristor and two pole of afterflow
Pipe, thyristor have one-way conduction characteristic, and thyristor coordinates with fly-wheel diode, it is possible to achieve the pulse of energy capacitance set is fast
Speed electric discharge.The discharge switch control circuit, instantaneous large-current is produced when receiving trigger signal, causes turn on thyristors, storage
Can the release of capacitance group electric energy.Preferably, the thyristor is DNX_PT85QWx45 thyristors.
In addition, power management module of the present invention, after being additionally operable to isolate battery voltage, converting, conjunction is produced
The controls such as the direct-current power supply central controller of suitable voltage, charging control circuit, discharge switch control circuit, radio network interface
Circuit processed uses.
Central controller of the present invention, according to the voltage in the excitation energy and energy capacitance set of user setting, control
Charging control circuit start to charge up or complete charge；Outside under triggering pattern, according to received external trigger signal, control electric discharge
ON-OFF control circuit closes total solids discharge switch；Inside under triggering pattern, according to the time interval of user setting, control electric discharge
ON-OFF control circuit closes total solids discharge switch, gathers simultaneously storage system working status.
Fig. 4 is the schematic side view of multi-electrode emission array mechanism of the present invention；Fig. 5 is multi-electrode emission array machine of the present invention
The elevational schematic view of structure.The multi-electrode emission array mechanism 4 includes high-field electrode array 401, metal frame as shown in Figures 4 and 5
Frame 402, entrant sound pressure-resistant cabin 403, with buoyancy cylindrical structure 404 and electrolyte solution.
The electrolyte solution, and the high-field electrode array 401, the metal are full of in the entrant sound pressure-resistant cabin 403
Frame 402 is immersed in the electrolyte solution；The buoyancy cylindrical structure 404 is two, respectively positioned at the entrant sound
The head end and tail end of pressure-resistant cabin 403, and be fixedly connected with the entrant sound pressure-resistant cabin 403；The high-field electrode array 401, gold
Belong to frame 402 with high-voltage transmission cable 5 to be connected, the high-field electrode array 401 is connected with the high potential electric wire, described
Metal framework 402 is connected with zero potential electric wire；Multi-electrode of the present invention launches array 4, when complete in sound source host module 201
During solid discharge switch closure, the electric energy of energy capacitance set storage passes through high-field electrode array 401 and 402 fast quick-release of metal framework
Put.The electric energy of quick release is converted into acoustic energy, excites sound wave.
The high-field electrode array 401 is used for the high-voltage potential of the electric discharge as the multi-electrode emission array mechanism 4, institute
The zero potential for the electric discharge that metal framework 401 is used for as the multi-electrode emission array mechanism 4 is stated, the electrolyte solution is used for
As the discharge channel between the high-voltage potential and zero potential of the multi-electrode emission array mechanism 4.
Entrant sound pressure-resistant cabin 403 is used to completely cut off deep water high static pressure environment, makes at high-field electrode array 401 and metal framework 402
In atmospheric pressure environment.Under atmospheric pressure environment, high-field electrode array 401 and 402 electroacoustic conversion performance of metal framework are more applicable for sea
Foreign seismic prospecting.Preferably, entrant sound pressure-resistant cabin 403 may operate in 2000m depth of water high static pressure environment；The buoyancy cylinder knot
Structure 404 is used for the weight for offsetting the high-field electrode array 401 and metal framework 402 so that multi-electrode transmitting array mechanism 4 is whole
Approximate neutral buoyancy is presented in body.The buoyancy cylindrical structure 404 uses glass microballoon buoyant material.
The high-field electrode array 401 includes multiple high-voltage discharging electrodes；The electrolyte solution is seawater.
Entrant sound pressure-resistant cabin 403 had not only had sealing compressive property, but also had good sound translative performance.Entrant sound pressure-resistant cabin 403 makes
Made of carbon fibre material.
Embodiment one：
The specific works step of sonic source device provided by the invention based on underwater movable platform is as follows：
(1) research vessel reaches set working sea area.
(2) user sets the excitation energy of sound source host module by radio network interface (blue tooth interface or WIFI interface)
The running parameters such as amount, operating mode, excitation interval, operating schedule, sound source host module is set and works in internal trigger work
Pattern, test equipment are in normal operating conditions.
(3) by external hanging type sound source cabin, dived by carry mechanism carry in autonomous underwater on device (AUV).
(4) multi-electrode emission array mechanism is installed on AUV afterbodys by afterbody drag body, and passes through high-voltage transmission electricity
Cable is connected with external hanging type sound source cabin.
(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) designated depth is reached, sound source is started to work, according to set excitation interval transmitting sound wave (artificial source's seismic wave).
(7) after the sound wave of transmitting is reflected by stratum, received by the multichannel hydrophone linear array being connected with AUV equipment；
Multichannel hydrophone linear array can be vertical linear array subsurface buoy or towing in investigation quarter earthquake towed cable, or
Person is towing in the earthquake towed cable of AUV afterbodys.
(8) after working, sound source host module is closed, and order AUV returns to the water surface and reaches near research vessel.
(9) AUV and its multi-electrode emission array are recycled to investigation boat deck.
(10) charge for AUV and external hanging type sound source cabin battery pack, preparation next stage lays work.
Embodiment two：
The following specific works step of specific works step of sonic source device provided by the invention based on underwater movable platform
It is as follows：
(1) research vessel reaches set working sea area.
(2) user sets excitation energy, the work of sound source host module by radio network interface (bluetooth or WIFI)
The running parameters such as pattern, excitation interval, operating schedule, sound source host module is set and works in external trigger operating mode, is surveyed
Examination equipment is in normal operating conditions.
(3) by external hanging type sound source cabin, dived by carry mechanism carry in autonomous underwater on device (AUV).
(4) multi-electrode emission array mechanism is installed on AUV afterbodys by afterbody drag body, and passes through high-voltage transmission electricity
Cable is connected with external hanging type sound source cabin.
(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) the miscellaneous equipment output TTL that designated depth, AUV output TTL start pulse signals, or AUV are carried is reached to touch
Send out pulse signal, triggering sound source host transmitting sound wave (artificial source's seismic wave).
(7) after the sound wave of transmitting is reflected by stratum, received by the multichannel hydrophone linear array being connected with AUV；It is more logical
Road hydrophone linear array can be vertical linear array subsurface buoy or towing in investigation quarter earthquake towed cable, either
Pull in the earthquake towed cable of AUV afterbodys.
(8) after working, sound source Host Shutdown, order AUV returns to the water surface and reaches near research vessel.
(9) AUV and its multi-electrode emission array are recycled to investigation boat deck.
(10) charge for AUV and external hanging type sound source cabin battery pack, preparation next stage lays work.
Compared with prior art, the sonic source device provided by the invention based on underwater movable platform has the beneficial effect that：(1)
Sonic source device of the present invention can be conveniently applied to underwater movable platform；(2) sonic source device of the present invention is in deep-sea sea
When domain carries out seismic survey operation, since sound source near Sea Bottom pulls, compared to sea sound source, big depth seawater is avoided to sound wave
The significantly decay of (particularly high frequency sound wave), improves seismic survey resolution ratio, adds stratum penetration depth.(3) it is more electric
Pole emission array mechanism is pulled in underwater research vehicle rear, reduces vibration and interference of the source emission to vehicle, Ke Yifa
Penetrate the sound wave of tall and big sound source level.(4) use of entrant sound pressure-resistant cabin so that equipment can use under the conditions of deep water high static pressure, production
Raw acoustical signal spectrum is suitable with sound source level that Layer Near The Sea Surface produces, frequency spectrum.
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 (10)
1. a kind of sonic source device based on underwater movable platform, it is characterised in that the sonic source device and the underwater movement are flat
Platform connects；The sonic source device includes external hanging type sound source cabin, carry mechanism and multi-electrode emission array mechanism；The external hanging type
Sound source cabin is fixed on the underwater movable platform by the way that the carry mechanism is plug-in；The external hanging type sound source cabin also with it is described more
Electrode emission array mechanism connects.
2. sonic source device according to claim 1, it is characterised in that the sonic source device further includes high-voltage transmission cable；
The external hanging type sound source cabin is connected by the high-voltage transmission cable with the multi-electrode emission array mechanism；The high-voltage transmission
Cable includes at least two electric wires of high potential electric wire and zero potential electric wire.
3. sonic source device according to claim 2, it is characterised in that the sonic source device 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 afterbody of the underwater movable platform are fixed
Connection, the other end of the connecting rod are mounted with the high-voltage transmission cable；The afterbody drag body is used to bear the water
The high-voltage transmission cable and the towing pulling force of the multi-electrode emission array mechanism during lower mobile platform navigation.
4. sonic source device according to claim 1, it is characterised in that the external hanging type sound source cabin is the housing of sealing；Institute
Stating in housing includes sound source host module and battery pack；
The sound source host module includes central controller, energy capacitance set and the charging being all connected with the central controller
Unit, sample circuit, discharge cell, Phototube Coupling interface, radio network interface, power management module；
The battery pack is connected by the power management module with the central controller；The power management module be used for pair
The battery pack is managed, and is avoided the battery pack from overcharging and cross and is put, improves the service life of the battery pack；
The energy capacitance set is all connected with the charhing unit, the sample circuit and the discharge cell；
The discharge cell is connected with the multi-electrode emission array mechanism；
The energy capacitance set is made of multiple pulse storage capacitors；
The sample circuit, for carrying out partial pressure sampling to the voltage of the energy capacitance set, obtains the energy capacitance set
Magnitude of voltage, and it is sent to the central controller；The sample circuit is the circuit being made of two resistance；
The Phototube Coupling interface, for receiving outer triggering signal；
The radio network interface, for receiving the sound source parameter of user setting, and by the sound source parameter be sent to it is described in
Entreat controller；The radio network interface is blue tooth interface or WIFI interface；
The central controller, for being touched according to the sound source parameter, the magnitude of voltage of the energy capacitance set and the outside
Signal, control the charging and discharging of the energy capacitance set；The central controller is N87C196KD microcontrollers and PSD311
The controller of peripheral chip composition.
5. sonic source device according to claim 4, it is characterised in that the charhing unit includes boosting rectifier charging circuit
And charging control circuit；
The central controller is connected by the charging control circuit with the boosting rectifier charging circuit；The boosting rectification
Charging circuit is also all connected with the energy capacitance set, the battery pack；
The boosting rectifier charging circuit, for carrying out inversion, boosting, rectification to the DC power supply in the battery pack, by institute
The low-voltage dc power supply stated in battery pack is transformed to high-voltage DC power supply；The boosting rectifier charging circuit is by IGBT full-bridges electricity
Road and the circuit of high frequency high voltage transformer composition；The charging control circuit is to be made of two panels 2SD106AI-17 driving chips
Circuit.
6. sonic source device according to claim 4, it is characterised in that the discharge cell include total solids discharge switch and
Discharge switch control circuit；
The central controller is connected by the discharge switch control circuit with the total solids discharge switch；The total solids
Discharge switch is also all connected with the energy capacitance set, the multi-electrode emission array mechanism；The total solids electric discharge is opened
Close as DNX_PT85QWx45 thyristors.
7. sonic source device according to claim 2, it is characterised in that the multi-electrode emission array mechanism includes high-voltage electricity
Pole array, metal framework, entrant sound pressure-resistant cabin, electrolyte solution and buoyancy cylindrical structure；
The electrolyte solution is full of in the entrant sound pressure-resistant cabin, and the high-field electrode array, the metal framework immerse
In in the electrolyte solution；The buoyancy cylindrical structure is two, respectively positioned at the head end and tail of the entrant sound pressure-resistant cabin
End, and be fixedly connected with the entrant sound pressure-resistant cabin；The high-field electrode array is connected with the high potential electric wire, the metal
Frame is connected with zero potential electric wire；
The high-field electrode array is used for the high-voltage potential of the electric discharge as the multi-electrode emission array mechanism, the metal frame
Frame is used for the zero potential of the electric discharge as the multi-electrode emission array mechanism, and the electrolyte solution is used for as described more electric
Discharge channel between the high-voltage potential and zero potential of pole emission array mechanism；
The entrant sound pressure-resistant cabin is used to completely cut off deep water high static pressure environment, is in the high-field electrode array and the metal framework
Atmospheric pressure environment；The buoyancy cylindrical structure is used for the weight for offsetting the high-field electrode array and metal framework.
8. sonic source device according to claim 7, it is characterised in that the high-field electrode array includes multiple electrions
Electrode；The electrolyte solution is seawater；The material of the entrant sound pressure-resistant cabin is carbon fibre material；The buoyancy cylindrical structure
Material be glass microballoon buoyant material.
9. sonic source device according to claim 1, it is characterised in that shown carry mechanism includes fixing bracket, fixed spiral shell
Bolt, beam；The external hanging type sound source is hung admittedly out of my cabin by the fixing bracket, the fixing bolt and the beam
It is scheduled on bottom or the flank of the underwater movable platform.
10. sonic source device according to claim 1, it is characterised in that the sonic source device further includes underwater electrical connector, institute
The Phototube Coupling interface for stating external hanging type sound source cabin passes through the payload interface phase described in the underwater electrical connector with underwater movable platform
Connection, is used for realization the transmission of the outer triggering signal.
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| CN201711445428.7A CN107966735B (en) | 2017-12-27 | 2017-12-27 | Sound source device based on underwater mobile platform |
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