CN110789670B - Acoustic submerged buoy system for deep sea - Google Patents
Acoustic submerged buoy system for deep sea Download PDFInfo
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- CN110789670B CN110789670B CN201910962765.6A CN201910962765A CN110789670B CN 110789670 B CN110789670 B CN 110789670B CN 201910962765 A CN201910962765 A CN 201910962765A CN 110789670 B CN110789670 B CN 110789670B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/04—Fixations or other anchoring arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/24—Buoys container type, i.e. having provision for the storage of material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention relates to the technical field of underwater communication, underwater acoustic subsurface buoy signal acoustic transmission and processing and marine acoustic instrument equipment, in particular to an acoustic subsurface buoy system for deep sea, which comprises: a base module and a function extension module; each unit in the function expansion module is plugged in a plurality of universal interfaces arranged on the basic module; the basic module is used for deep sea watertight pressure resistance, low power consumption underwater duty, system state monitoring and providing a plurality of universal interfaces; the function expansion module is used for completing the acquisition and recording of multi-channel underwater acoustic signals in deep sea, the receiving and processing of the underwater acoustic signals and the punctual transmission of the underwater acoustic signals to be transmitted. Based on the basic module, various use requirements are met by selecting different function expansion modules, and the purpose of one standard and multiple purposes is achieved. The system overcomes the limitation of strong specificity of the current acoustic submerged buoy, improves the utilization rate of each unit of the submerged buoy, and reduces the maintenance and guarantee difficulty of test equipment.
Description
Technical Field
The invention belongs to the technical field of underwater communication, underwater acoustic subsurface buoy signal acoustic transmission and processing and marine acoustic instrument equipment, and particularly relates to an acoustic subsurface buoy system for deep sea.
Background
The marine acoustic submerged buoy can carry various acoustic measurement and marine environment sensing devices, works autonomously underwater after being arranged in a deep sea area, carries out long-term fixed-point underwater acoustic signal acquisition, recording and processing and underwater acoustic signal emission in a relatively concealed manner, and is continuous and multi-layer synchronous marine environment measurement, thereby being important equipment for developing marine acoustic technology research. The deep sea acoustic submerged buoy device has the characteristics of complex system, various use requirements, various types of sensing equipment, advanced technology and difficult damage, and is widely applied to the aspects of marine scientific investigation and research, marine military and the like.
In view of the diversification of the use requirements of the marine acoustic submerged buoy, the acoustic submerged buoy applied to the marine acoustic technology research at present has strong specificity, a design method for one buoy and one use is generally adopted, and a customized design of an in-cabin control electronic system and a wet end part contacted with seawater is adopted according to the specific application requirements. For various types of acoustic submerged buoy with different application requirements, on one hand, the acoustic submerged buoy universal module is not fully utilized, hardware cost is greatly increased, on the other hand, different acoustic submerged buoy characteristics are different, operation requirements are different, and difficulty in use and operation maintenance is increased.
Disclosure of Invention
The invention aims to solve the defects of the existing marine acoustic submerged buoy, and provides an acoustic submerged buoy system for deep sea, which can be multipurpose and is used for underwater sound physical research, marine investigation, underwater sound detection, communication, navigation positioning, national marine safety and the like in deep sea environment; the system overcomes the limitation of strong specificity of the current acoustic submerged buoy, improves the utilization rate of each unit in the acoustic submerged buoy system, and reduces the maintenance and guarantee difficulty of the acoustic submerged buoy system.
In order to achieve the above object, the present invention provides an acoustic submerged buoy system for deep sea, the system comprising: a base module and a function extension module; each unit in the function expansion module is plugged in a plurality of universal interfaces arranged on the basic module;
the basic module is used for deep sea watertight pressure resistance, low power consumption underwater duty, system state monitoring and providing a plurality of universal interfaces;
the function expansion module is used for completing the acquisition and recording of multi-channel underwater acoustic signals in deep sea, the receiving and processing of the underwater acoustic signals and the punctual transmission of the underwater acoustic signals to be transmitted.
As an improvement of the above technical solution, the base module further includes: the system comprises a main control processor, an interface unit, a weak current power supply unit and a watertight and mechanical structure unit;
the main control processor is used for finishing low-power-consumption underwater duty, system state monitoring and control of the universal submerged buoy platform;
the interface unit is used for providing a plurality of universal interfaces and realizing the interface connection of each unit of the main control processor, the weak current power supply unit, the watertight and mechanical structure unit and the function expansion module;
the weak current power supply unit is used for providing power supply management and control and providing a weak current power supply for each unit of the main control processor, the interface unit and the function expansion module; the weak current power supply unit adopts a disposable lithium battery or a rechargeable lithium battery;
the watertight and mechanical structure unit is used for providing deep sea watertight pressure resistance.
As an improvement of the above technical solution, the master processor includes: the device comprises a first processing unit, a second processing unit and a storage unit;
the first processing unit is used for finishing low-power-consumption underwater duty and underwater energy supply of the universal submerged buoy platform;
the second processing unit is used for monitoring and controlling the system state;
the storage unit is used for storing the punctual emission parameters.
As an improvement of the above technical solution, the watertight and mechanical structure unit comprises: a deep sea watertight electronic cabin and a mooring structure;
the watertight electronic cabin is used for installing the main control processor, the interface unit, the weak current power supply unit and the watertight and mechanical structure unit inside the watertight electronic cabin and protecting each unit inside the cabin from normally working in a severe environment under deep sea;
the mooring structure is a supporting platform for ensuring the stability of the positions and the depths of the watertight electronic cabin and other wet-end equipment in water.
As an improvement of the above technical solution, the mooring structure includes: the device comprises a floating body, a mooring cable, a deep sea acoustic releaser and an anchor mooring weight block;
the lower part of the floating body is connected with a deep sea watertight electronic cabin, and the lower part of the deep sea watertight electronic cabin is sequentially connected with a mooring cable, a deep sea acoustic releaser and an anchor mooring weight.
As an improvement of the above technical solution, the function extension module further includes: the device comprises a deep sea hydrophone array, a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency scale unit, a power amplification unit, a deep sea transmitting transducer and a strong electric power supply unit;
the deep sea hydrophone array is used for completing sound-electricity conversion, pre-amplification and filtering of multi-channel underwater sound signals to obtain multi-channel analog signals, and transmitting the multi-channel analog signals of each picked sampling point to the data acquisition unit;
the data acquisition unit is used for receiving and preprocessing the picked multi-channel analog signals of each sampling point by conditioning and AD conversion to obtain preprocessed multi-channel digital signals of each sampling point;
the data storage unit is used for storing and recording the preprocessed digital signals of each sampling point;
the clock and signal processing unit is used for coding punctual transmitting parameters stored in the main control processor in advance, acquiring underwater acoustic signals to be transmitted, sending trigger signals to the power amplification unit according to precise frequency source signals provided by the high-precision frequency standard unit, and maintaining a high-precision working clock;
the high-precision frequency standard unit is used for providing a high-precision frequency source signal for the clock and the signal processing unit by adopting a low-power-consumption atomic frequency standard, and can taminate the high-precision frequency standard unit by accessing a rubidium clock system on shore so as to keep higher precision;
the power amplification unit is used for receiving the underwater sound signal to be transmitted output by the clock and signal processing unit, and performing power amplification on the underwater sound signal to be transmitted to obtain an amplified underwater sound signal to be transmitted; the power amplification unit receives the clock and the trigger signal output by the signal processing unit at the same time, and immediately outputs the amplified underwater sound signal to be transmitted to the deep sea transmitting transducer after receiving the trigger signal;
the deep sea transmitting transducer is used for realizing the conversion of electroacoustic energy, receiving the amplified underwater acoustic signal to be transmitted, converting the amplified underwater acoustic signal into acoustic energy and radiating the acoustic energy in seawater;
and the strong power supply unit is used for providing a strong power supply for the power amplification unit.
As an improvement of the above technical solution, the function extension module further includes: the system comprises an upper computer unit and marine instrument equipment;
the upper computer unit is used for being connected with the main control processor to realize human-computer interaction;
the marine instrument equipment is used for providing connection interfaces of the ADCP, the CTD, the ocean bottom seismograph, the biological sensor and the chemical sensor, and observing marine environment information.
As an improvement of the above technical solution, the deep sea hydrophone array includes: the piezoelectric hydrophone units pick up the multi-channel underwater sound signals of each sampling point through the piezoelectric hydrophone units, perform sound-electricity conversion, pre-amplification and filtering on the picked multi-channel underwater sound signals of each sampling point to obtain multi-channel analog signals of each sampling point, and transmit the picked multi-channel analog signals of each sampling point to the data acquisition unit.
As one improvement of the technical scheme, the strong electric power supply unit is a disposable lithium battery or a rechargeable lithium battery.
As one of the improvements of the above technical solution, the general submersible buoy platform specifically includes: the device comprises a floating body, a watertight electronic cabin, a deep sea acoustic transducer, a deep sea hydrophone array, a mooring cable, a floating ball, a deep sea acoustic releaser, an anchor system weight block and marine instrument equipment; the floating body is positioned on the sea surface, and a watertight electronic cabin, a deep sea acoustic transducer, a deep sea hydrophone array, a mooring cable, a floating ball, a deep sea acoustic releaser, an anchor system heavy block and marine instrument equipment are sequentially connected below the floating body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides an acoustic submerged buoy system for deep sea, which is based on a basic module and meets various use requirements by selecting different function extension modules, thereby achieving the purpose of one buoy with multiple purposes. The system overcomes the limitation of strong specificity of the current acoustic submerged buoy, improves the utilization rate of each unit of the submerged buoy, and reduces the maintenance and guarantee difficulty of test equipment.
2. The system disclosed by the invention is a comprehensive acoustic subsurface buoy system applicable to deep sea environment, integrates multiple functions of underwater sound signal acquisition and recording, underwater sound signal receiving and processing, to-be-transmitted underwater sound signal punctual transmission, marine environment monitoring, man-machine interaction and the like, and can meet the use requirements of various research fields such as underwater sound physical research, marine investigation, underwater sound detection, communication, navigation positioning, national marine safety and the like.
3. The submerged buoy platform adopts the thought of function modularization and interface standardization, on one hand, the submerged buoy platform is divided into a plurality of basic modules and function extension modules through function segmentation, on the other hand, standardized hardware interfaces and software protocols are adopted among all units, so that the serialized and combined design of the submerged buoy platform is facilitated, and the further transformation and capability upgrading of the system are facilitated.
Drawings
FIG. 1 is a schematic structural view of a submerged buoy platform of an acoustic submerged buoy system for deep sea in accordance with the present invention;
FIG. 2 is a schematic structural diagram of an acoustic submerged buoy system for deep sea in accordance with the present invention;
fig. 3 is a flow chart of the operation of an acoustic submerged buoy system for deep sea of the present invention.
Reference numerals:
1. floating body 2 and watertight electronic cabin
3. Deep sea acoustic transducer 4 and deep sea hydrophone array
5. Mooring cable 6, floating ball
7. Deep sea acoustics releaser 8, anchor system pouring weight
9. Marine instrument device
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
The present invention provides an acoustic submerged buoy system for deep sea, as shown in fig. 2, comprising: a base module and a function extension module; each unit in the function expansion module is plugged in a plurality of universal interfaces on the basic module so as to realize corresponding expansion functions;
the basic module is used for deep sea watertight pressure resistance, low-power-consumption underwater duty, system state monitoring and general interfaces;
wherein the base module further comprises: the system comprises a main control processor, an interface unit, a weak current power supply unit and a watertight and mechanical structure unit;
the main control processor is used for finishing low-power-consumption underwater duty, system state monitoring and control of the universal submerged buoy platform;
specifically, the master processor includes: the device comprises a first processing unit, a second processing unit and a storage unit;
the first processing unit is used for finishing low-power-consumption underwater duty and underwater energy supply of the universal submerged buoy platform;
the second processing unit is used for monitoring and controlling the system state;
the storage unit is used for storing punctual emission parameters, acquisition recording parameters and marine environment detection parameters;
the first processing unit and the second processing unit are both arranged in the low-power MSP430 single chip microcomputer, a plurality of universal interfaces are arranged on the single chip microcomputer, and the single chip microcomputer is respectively connected with interfaces of the interface unit, the weak current power supply unit, the watertight and mechanical structure unit and each unit of the function extension module through the respective universal interfaces and carries out information interaction.
The interface unit is used for providing a plurality of universal interfaces and realizing the interface connection of each unit of the main control processor, the weak current power supply unit, the watertight and mechanical structure unit and the function expansion module; the interface unit is a low-power-consumption FPGA chip and is provided with universal interfaces of RS232, RS485 and Ethernet;
the weak current power supply unit is used for providing power supply management and control, realizing the on-off of a weak current power supply and providing the weak current power supply for each unit of the main control processor, the interface unit and the function expansion module; the weak current power supply unit adopts a disposable lithium battery or a rechargeable lithium battery;
the watertight and mechanical structure unit is used for providing deep sea watertight pressure resistance.
In particular, the watertight and mechanical structural unit comprises: a deep sea watertight electronic cabin 2 and a mooring structure;
the watertight electronic cabin 2 is used for installing the main control processor, the interface unit, the weak current power supply unit, the watertight and mechanical structure unit inside the watertight electronic cabin and protecting each unit inside the cabin from working normally in a severe environment under deep sea; the structure of the deep sea watertight electronic cabin adopts a cylindrical or spherical structure according to the pressure-resistant environment and the installation requirement of dry-end equipment; the shell material of the deep sea watertight electronic cabin is made of titanium alloy or stainless steel material with good corrosion resistance and high strength. The electronic device includes: the system comprises a main control processor, an interface unit, a weak current power supply unit, a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency scale unit, a power amplifier unit and a strong current power supply unit.
The mooring structure is a supporting platform for ensuring the stable position and depth of the watertight electronic cabin 2 and other wet-end equipment in water. Through reasonable buoyancy design, the mooring structure can enable all components of the universal submerged buoy platform to keep relatively stable in position in wind, wave, tide and flow environments.
Wherein the mooring structure comprises: the device comprises a floating body 1, a mooring cable 5, a deep sea acoustic releaser 7 and an anchor mooring weight 8;
the lower part of the floating body 1 is connected with a deep sea watertight electronic cabin 2, and the lower part of the deep sea watertight electronic cabin 2 is sequentially connected with a mooring cable 5, a deep sea acoustic releaser 7 and an anchor mooring weight 8.
The function expansion module is used for completing the acquisition and recording of multi-channel underwater acoustic signals in deep sea, the receiving and processing of the underwater acoustic signals, the punctual emission of the underwater acoustic signals to be emitted, the monitoring of marine environment and the man-machine interaction.
Specifically, as shown in fig. 2, the function extension module further includes: the device comprises a deep sea hydrophone array 4, a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency scale unit, a power amplification unit, a deep sea transmitting transducer and a strong electric power supply unit;
the deep sea hydrophone array 4 is used for completing sound-electricity conversion, pre-amplification and filtering of multi-channel underwater acoustic signals to obtain multi-channel analog signals, and transmitting the multi-channel analog signals of each picked sampling point to the data acquisition unit; specifically, the deep sea hydrophone array 4 includes: the piezoelectric hydrophone units are used for picking up the multi-channel underwater sound signals of each sampling point, performing sound-electricity conversion, pre-amplification and filtering on the picked multi-channel underwater sound signals of each sampling point to obtain multi-channel analog signals of each sampling point, and transmitting the picked multi-channel analog signals of each sampling point to the data acquisition unit;
the data acquisition unit is used for receiving and preprocessing the picked multi-channel analog signals of each sampling point by conditioning and AD conversion to obtain preprocessed multi-channel digital signals of each sampling point;
the data storage unit is used for storing and recording the preprocessed digital signals of each sampling point; the data storage unit comprises a plurality of solid state disks, and a plurality of paths of digital signals of each sampling point are stored and recorded in each solid state disk according to a time sequence and are recovered to the shore for analysis and processing of test data; each solid state disk in the data storage unit stores a plurality of digital signals of a first sampling point, then stores a plurality of paths of digital signals of a second sampling point according to the acquisition time sequence, and so on until the first solid state disk is fully stored, then automatically switches to the second solid state disk to continue to store according to the acquisition time sequence until the second solid state disk is fully stored, and so on.
The clock and signal processing unit is used for coding punctual transmitting parameters stored in the main control processor in advance, acquiring underwater acoustic signals to be transmitted, sending trigger signals to the power amplification unit according to precise frequency source signals provided by the high-precision frequency standard unit, and maintaining a high-precision working clock;
the high-precision frequency standard unit is used for providing a high-precision frequency source signal for the clock and the signal processing unit by adopting a low-power-consumption atomic frequency standard, and can taminate the high-precision frequency standard unit by accessing a rubidium clock system on shore so as to keep higher precision;
the power amplification unit is used for receiving the underwater sound signal to be transmitted output by the clock and signal processing unit, and performing power amplification on the underwater sound signal to be transmitted to obtain an amplified underwater sound signal to be transmitted; the power amplification unit receives the clock and the trigger signal output by the signal processing unit at the same time, and immediately outputs the amplified underwater sound signal to be transmitted to the deep sea transmitting transducer after receiving the trigger signal;
the deep sea transmitting transducer is used for realizing the conversion of electroacoustic energy, receiving the amplified underwater acoustic signal to be transmitted, converting the amplified underwater acoustic signal into acoustic energy and radiating the acoustic energy in seawater.
The function expansion module also comprises an upper computer unit which is used for being connected with the main control processor to realize human-computer interaction;
the function extension module also comprises marine instrument equipment, and the marine instrument equipment is used for providing connection interfaces of the ADCP, the CTD, the ocean bottom seismograph, the biosensor and the chemical sensor, realizing the connection of the ADCP, the CTD, the ocean bottom seismograph, the biosensor and the chemical sensor, and carrying out multifunctional and multi-parameter marine environment information observation.
As shown in fig. 1, the general submerged buoy platform specifically includes: the device comprises a floating body 1, a watertight electronic cabin 2, a deep sea acoustic transducer 3, a deep sea hydrophone array 4, a mooring cable 5, a floating ball 6, a deep sea acoustic releaser 7, an anchor system weight 8 and marine instrument equipment 9;
the top of the deep sea general acoustic submerged buoy platform is provided with a floating body 1; the lower part of the floating body 1 is connected with the watertight electronic cabin 2 through a Kevlar; the deep sea acoustic transducer 3, the deep sea hydrophone array 4, the mooring cable 5, the floating ball 6, the deep sea acoustic releaser 7, the anchor weight 8 and the marine instrument equipment 9 are sequentially connected through a Kevlar rope.
The invention provides an acoustic submerged buoy system for deep sea, which is a universal acoustic submerged buoy system applied to deep sea environment, namely, the same submerged buoy platform can meet various use requirements by selecting different units in a function extension module on the basis of a basic module, thereby achieving the purpose of one buoy having multiple purposes and embodying the universality of the system.
The invention provides a deep sea general acoustic submerged buoy platform which is a comprehensive acoustic submerged buoy system applicable to deep sea environment. If all units in the function extension module are selected and matched by the system, different functions of multi-channel underwater sound signal acquisition and recording, underwater sound signal receiving and processing, underwater sound signal punctual emission, marine environment monitoring and man-machine interaction can be integrated into a whole, and the comprehensive requirements of marine observation and marine test research on acoustic subsurface buoy are met; if only one or more extended functions are needed, one or more different units can be selected to realize the customization requirement, and the comprehensiveness of the system is reflected. For example,
the underwater acoustic signal acquisition and recording are realized by selectively matching a deep sea hydrophone array, a data acquisition unit and a data storage unit;
receiving and processing underwater acoustic signals are realized by selectively matching a deep sea hydrophone array 4 and a clock and signal processing unit;
through the matching of a clock and a signal processing unit, a high-precision frequency scale, an energy converter and a power amplifier unit, the punctual transmission of underwater acoustic signals is realized;
the man-machine interaction function is realized by selecting and matching the upper computer unit:
the marine environment monitoring function is realized by matching marine instruments and equipment.
The deep sea general acoustic submerged buoy platform adopts a modularized thought and consists of a basic module and a function expansion module. The units are functionally independent and have respective standardized interfaces. On one hand, the basic function of the bottom layer of the deep sea general acoustic submerged buoy platform is realized through the basic module, on the other hand, the units in the corresponding function expansion modules can be selectively matched and directly spliced with the units in the basic function module to realize one or more expansion functions, so that the use requirement of the specific acoustic submerged buoy is met. In addition, additional other functional units with standard interfaces can be customized according to special use requirements subsequently, and function expansion is further realized on the basis of the basic module and the existing function expansion module.
As shown in fig. 1, the top of the deep sea general acoustic submerged buoy platform is a floating body 1, and the lower part of the deep sea general acoustic submerged buoy platform is connected with a watertight electronic cabin 2 through a Kevlar; the lower part of the watertight electronic cabin is provided with a transducer 3 and a deep sea hydrophone array 4. The deep sea hydrophone array is provided with a mooring cable 5, a floating ball 6, an acoustic releaser 7 and an anchor system weight 8 downwards. Marine instrumentation 9 may also be provided near the float 1, the watertight electronics pod 2 and on the mooring lines 5 for different functional extensions.
As shown in fig. 3, the function extension module needs to perform plug-in judgment, reading of working mode parameters, and executing corresponding tasks according to commands of the upper computer or working parameters.
The data acquisition unit, the power amplifier unit, other marine instrument equipment and the upper computer unit have a plug-and-play function, and after the data acquisition unit, the power amplifier unit, other marine instrument equipment and the upper computer unit are communicated with an electrical interface of the acoustic submerged buoy system, the main control processor can judge whether to access the corresponding unit according to the handshake signals and set the working mode mark corresponding to the corresponding unit;
the main control processor reads working parameters of corresponding modes stored in the main control processor according to the set working mode marks; the working parameters can also be sent to the main control processor through the command of the upper computer; the upper computer instructions include: the method comprises the following steps of detecting the state of an acoustic submerged buoy system, resetting faults, powering off each power supply, giving time to a main control processor, keeping time, uploading the time of the main control processor, domesticating a high-precision frequency scale unit, configuring parameters of the submerged buoy system, issuing and uploading parameters of each working mode; the working parameters of each working mode comprise: collecting and recording parameters (sampling rate, channel number, collecting and recording mode, collecting starting time, collecting times, working time interval), punctual transmitting parameters (transmitting starting time, transmitting waveform coding parameters, transmitting time interval, transmitting times), marine environment monitoring parameters (monitoring parameters, monitoring starting time, monitoring times and monitoring time interval);
finally, the main control processor responds and executes according to the received upper computer command; meanwhile, the main control processor judges whether the task is plugged or not and whether the task starting time is reached or not according to the read working mode parameters, and executes corresponding working tasks.
As shown in fig. 3, after the main control processor of the system starts to operate, the plugging determination of each unit in the common function extension module is first performed. The method comprises the steps that handshake signals of different units are sequentially responded to judge whether a data acquisition unit, a power amplification unit, other ocean instrument equipment and an upper computer unit are plugged; if one or more function expansion modules are plugged, the corresponding working mode marks are set in sequence. And then reading the parameters of each working mode. And sequentially judging whether the acquisition recording mode mark is set, whether the punctual emission mode mark is set, whether the marine environment monitoring mode is set, whether the human-computer interaction mode mark is set, and if one mark or a plurality of marks are set, reading corresponding prestored working mode parameters or a command of reading the human-computer interaction mode from a storage unit of the main control processor in sequence and clearing the mark. And finally, sequentially judging whether the acquisition and recording time is up, whether the punctual emission time is up, whether the marine environment monitoring time is up and whether an upper computer instruction is received according to the acquired working mode parameters or the human-computer interaction command, and if so, executing a corresponding task according to the previously acquired working mode parameters or the human-computer interaction command. And then circularly executing the plug-in judgment of each function expansion module, the reading of each working mode parameter and the execution of tasks according to each working parameter or human-computer interaction command.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. An acoustic submerged buoy system for use in deep sea, the system comprising: a base module and a function extension module; each unit in the function expansion module is plugged in a plurality of universal interfaces arranged on the basic module;
the basic module is used for deep sea watertight pressure resistance, low power consumption underwater duty, system state monitoring and providing a plurality of universal interfaces;
the base module further comprises: the system comprises a main control processor, an interface unit, a weak current power supply unit and a watertight and mechanical structure unit;
the main control processor is used for finishing low-power-consumption underwater duty, system state monitoring and control of the universal submerged buoy platform;
the interface unit is used for providing a plurality of universal interfaces and realizing the interface connection of each unit of the main control processor, the weak current power supply unit, the watertight and mechanical structure unit and the function expansion module;
the weak current power supply unit is used for providing power supply management and control and providing a weak current power supply for each unit of the main control processor, the interface unit and the function expansion module; the weak current power supply unit adopts a disposable lithium battery or a rechargeable lithium battery;
the watertight and mechanical structure unit is used for providing deep sea watertight pressure resistance;
the function expansion module is used for completing the acquisition and recording of multi-channel underwater acoustic signals in deep sea, the receiving and processing of the underwater acoustic signals and the punctual transmission of the underwater acoustic signals to be transmitted.
2. An acoustic submerged buoy system for deep sea as claimed in claim 1, characterized in that said master processor comprises: the device comprises a first processing unit, a second processing unit and a storage unit;
the first processing unit is used for finishing low-power-consumption underwater duty and underwater energy supply of the universal submerged buoy platform;
the second processing unit is used for monitoring and controlling the system state;
the storage unit is used for storing the punctual emission parameters.
3. An acoustic submerged buoy system for deep sea as claimed in claim 1, characterized in that said watertight and mechanical structural unit comprises: a deep sea watertight electronic cabin (2) and a mooring structure;
the watertight electronic cabin (2) is used for installing the main control processor, the interface unit, the weak current power supply unit, the watertight and mechanical structure unit inside the watertight electronic cabin and protecting each unit inside the cabin from normally working in severe environment under deep sea;
the mooring structure is a supporting platform for ensuring the stable position and depth of the watertight electronic cabin (2) and other wet-end equipment in water.
4. An acoustic submersible system for deep sea according to claim 3, wherein the mooring structure comprises: the device comprises a floating body (1), a mooring cable (5), a deep sea acoustic releaser (7) and an anchor system weight block (8);
the deep sea watertight electronic cabin (2) is connected to the lower portion of the floating body (1), and the mooring cable (5), the deep sea acoustic releaser (7) and the anchor system weight block (8) are sequentially connected to the lower portion of the deep sea watertight electronic cabin (2).
5. The acoustic submerged buoy system for deep sea of claim 1, wherein the function extension module further comprises: the device comprises a deep sea hydrophone array (4), a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency scale unit, a power amplifier unit, a deep sea transmitting transducer and a strong electric power supply unit;
the deep sea hydrophone array (4) is used for completing sound-electricity conversion, pre-amplification and filtering of multi-channel underwater sound signals to obtain multi-channel analog signals, and transmitting the multi-channel analog signals of each picked sampling point to the data acquisition unit;
the data acquisition unit is used for receiving and preprocessing the picked multi-channel analog signals of each sampling point by conditioning and AD conversion to obtain preprocessed multi-channel digital signals of each sampling point;
the data storage unit is used for storing and recording the preprocessed digital signals of each sampling point;
the clock and signal processing unit is used for coding punctual transmitting parameters stored in the main control processor in advance, acquiring underwater acoustic signals to be transmitted, sending trigger signals to the power amplification unit according to precise frequency source signals provided by the high-precision frequency standard unit, and maintaining a high-precision working clock;
the high-precision frequency standard unit is used for providing a high-precision frequency source signal for the clock and the signal processing unit by adopting a low-power-consumption atomic frequency standard, and can taminate the high-precision frequency standard unit by accessing a rubidium clock system on shore so as to keep higher precision;
the power amplification unit is used for receiving the underwater sound signal to be transmitted output by the clock and signal processing unit, and performing power amplification on the underwater sound signal to be transmitted to obtain an amplified underwater sound signal to be transmitted; the power amplification unit receives the clock and the trigger signal output by the signal processing unit at the same time, and immediately outputs the amplified underwater sound signal to be transmitted to the deep sea transmitting transducer after receiving the trigger signal;
the deep sea transmitting transducer is used for realizing the conversion of electroacoustic energy, receiving the amplified underwater acoustic signal to be transmitted, converting the amplified underwater acoustic signal into acoustic energy and radiating the acoustic energy in seawater;
and the strong power supply unit is used for providing a strong power supply for the power amplification unit.
6. An acoustic submerged buoy system for deep sea as claimed in claim 5, characterized in that the function extension module further comprises: the system comprises an upper computer unit and marine instrument equipment;
the upper computer unit is used for being connected with the main control processor to realize human-computer interaction;
the marine instrument equipment is used for providing connection interfaces of the ADCP, the CTD, the ocean bottom seismograph, the biological sensor and the chemical sensor, and observing marine environment information.
7. An acoustic submerged buoy system for deep sea according to claim 5, characterized in that the deep sea hydrophone array (4) comprises: the piezoelectric hydrophone units pick up the multi-channel underwater sound signals of each sampling point through the piezoelectric hydrophone units, perform sound-electricity conversion, pre-amplification and filtering on the picked multi-channel underwater sound signals of each sampling point to obtain multi-channel analog signals of each sampling point, and transmit the picked multi-channel analog signals of each sampling point to the data acquisition unit.
8. An acoustic submerged buoy system for deep sea as claimed in claim 5, characterized in that said strong electric power unit is a disposable lithium battery or a rechargeable lithium battery.
9. An acoustic submerged buoy system for deep sea as claimed in claim 1 or 2, characterized in that the universal submerged buoy platform comprises: the device comprises a floating body (1), a watertight electronic cabin (2), a deep sea acoustic transducer (3), a deep sea hydrophone array (4), a mooring cable (5), a floating ball (6), a deep sea acoustic releaser (7), an anchor system weight (8) and marine instrument equipment (9); the floating body (1) is positioned on the sea surface, and a watertight electronic cabin (2), a deep sea acoustic transducer (3), a deep sea hydrophone array (4), a mooring cable (5), a floating ball (6), a deep sea acoustic releaser (7), an anchor system heavy block (8) and marine instrument equipment (9) are sequentially connected below the floating body.
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| CN111780852B (en) * | 2020-05-22 | 2022-04-08 | 中国船舶重工集团公司第七一五研究所 | Device and method for measuring deep sea performance of low-frequency transducer in real time |
| CN113148017A (en) * | 2021-05-13 | 2021-07-23 | 中科长城海洋信息系统有限公司 | Attitude adjusting device and method and submerged buoy system |
| CN114275101A (en) * | 2022-01-05 | 2022-04-05 | 中国人民解放军海军工程大学 | Positioning system of submarine optical cable diving buoy |
| CN117930326B (en) * | 2024-03-22 | 2024-07-30 | 西北工业大学青岛研究院 | Transmission type underwater acoustic detection system based on distributed submerged buoy and application method thereof |
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| CN103759717B (en) * | 2014-01-22 | 2016-04-20 | 中国科学院半导体研究所 | A kind of optical fiber temperature deep diving mark continuous measurement system |
| CN106568496A (en) * | 2016-11-09 | 2017-04-19 | 哈尔滨工程大学 | Real-time transmission multivariate vector hydrophone array subsurface buoy system |
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