CN110789670B - An acoustic submersible system for deep sea - Google Patents

Abstract

The invention relates to the technical fields of underwater communication and underwater acoustic submersible signal acoustic transmission and processing, and marine acoustic instruments and equipment, in particular to an acoustic submersible system for deep sea, the system comprising: a basic module and a function expansion module; Each unit in the module is plugged into a plurality of general interfaces on the basic module; the basic module is used for deep sea water tightness and pressure resistance, low power consumption underwater duty, system status monitoring and providing a plurality of general interfaces; the The function expansion module is used to complete the acquisition and recording of multi-channel underwater acoustic signals in the deep sea, the reception and processing of underwater acoustic signals, and the timely transmission of underwater acoustic signals to be transmitted. Based on the basic module, by selecting different functional expansion modules to meet various usage needs, to achieve the purpose of one standard and multiple uses. The system overcomes the limitation that the current acoustic submersible buoys are highly specialized, and at the same time improves the utilization rate of each unit of the submersible buoy, and reduces the maintenance and guarantee difficulty of the test equipment.

Description

An acoustic submersible system for deep sea

technical field

The invention belongs to the technical fields of underwater communication and underwater acoustic submersible signal acoustic transmission and processing, and marine acoustic instruments and equipment, and in particular relates to an acoustic submerged beacon system for deep sea.

Background technique

The marine acoustic submersible can carry a variety of acoustic measurement and marine environment sensing equipment. After being deployed in the deep sea, it can work autonomously underwater, and carry out long-term and fixed-point underwater acoustic signal acquisition, recording, processing and underwater acoustic signal transmission relatively concealed. , as well as continuous, multi-level synchronous marine environment measurement, is an important equipment to carry out marine acoustic technology research. The deep-sea acoustic submersible device has the characteristics of complex system, diverse use requirements, many types of sensing equipment, advanced technology and not easy to be damaged. It has been widely used in marine scientific investigation and research, marine military and other aspects.

In view of the diversification of the use requirements of marine acoustic submersibles, the acoustic submersibles currently used in the research of marine acoustics technology are highly specialized. Generally, a design method of one standard and one use is adopted. According to specific application requirements, a customized designed cabin is adopted. Control electronics and wet end components in contact with seawater. For various types of acoustic submersibles and different application requirements, on the one hand, the general module of acoustic submersibles is not fully utilized, which greatly increases the hardware cost. Difficulty in use and operation and maintenance.

SUMMARY OF THE INVENTION

The purpose of the present invention is that, in order to solve the above-mentioned defects of the existing marine acoustic submerged buoys, the present invention proposes an acoustic submersible buoy system for the deep sea, which can achieve multiple uses for one standard, and can be used for water in the deep sea environment. Acoustic physics research, ocean survey, underwater acoustic detection, communication, navigation and positioning, and national marine security and many other researches; the system overcomes the limitations of the current acoustic submersible buoy, which is highly specialized, improves the utilization rate of each unit in the acoustic submersible buoy system, and reduces the It is difficult to maintain and guarantee the acoustic submerged buoy system.

In order to achieve the above purpose, the present invention provides an acoustic submersible buoy system for deep sea, the system includes: a basic module and a function extension module; each unit in the function extension module is plugged and connected to a plurality of general interfaces on the basic module. superior;

The basic module is used for deep sea water tightness and pressure resistance, low power consumption underwater duty, system status monitoring and providing multiple general interfaces;

The function expansion module is used to complete the acquisition and recording of multi-channel underwater acoustic signals in the deep sea, the reception and processing of underwater acoustic signals, and the timely transmission of underwater acoustic signals to be transmitted.

As one of the improvements of the above technical solutions, the basic module further includes: a main control processor, an interface unit, a weak current power supply unit, a watertight and mechanical structure unit;

The main control processor is used to complete the low-power underwater duty, system state monitoring and control of the universal submersible platform;

The interface unit is used to provide a plurality of general interfaces, and realize 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 to provide power management and control, and provide weak-current power to 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 structural unit is used to provide deep sea water tightness and pressure resistance.

As one of the improvements of the above technical solutions, the main control processor includes: a first processing unit, a second processing unit and a storage unit;

The first processing unit is used to complete the low-power underwater duty and underwater energy supply of the universal submersible platform;

The second processing unit is used to monitor and control the state of the system;

The storage unit is used for storing on-time transmission parameters.

As one of the improvements of the above technical solutions, the watertight and mechanical structural units include: a deep sea tight electronic cabin and a mooring structure;

The watertight electronic cabin is used to install the main control processor, the interface unit, the weak current power supply unit, the watertight and mechanical structural units inside the watertight electronic cabin, and to protect the units inside the cabin to work normally in the harsh environment under the deep sea ;

The mooring structure is a supporting platform to ensure the stability of the watertight electronic cabin and other wet-end equipment in the water position and depth.

As one of the improvements of the above technical solutions, the mooring structure includes: a floating body, a mooring cable, a deep-sea acoustic releaser, and a mooring weight;

The bottom of the floating body is connected to the deep sea tight electronic cabin, and the bottom of the deep sea tight electronic cabin is sequentially connected to the mooring cable, the deep sea acoustic releaser, and the mooring weight.

As one of the improvements of the above technical solutions, the function expansion module further includes: a deep-sea hydrophone array, a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency standard unit, a power amplifier unit, a deep-sea transmitter transducer device and strong power supply unit;

The deep-sea hydrophone array is used to complete the acousto-electrical conversion, pre-amplification and filtering of the multi-channel underwater acoustic signals, obtain the multi-channel analog signals, and transmit the picked-up multi-channel analog signals of each sampling point to the data collection unit;

The data acquisition unit is used for receiving and preprocessing the picked-up multi-channel analog signals of each sampling point for conditioning and AD conversion to obtain the pre-processed multi-channel digital signals for each sampling point;

The data storage unit is used to store and record the preprocessed digital signal of each sampling point;

The clock and signal processing unit is used to encode the on-time transmission parameters pre-stored in the main control processor, obtain the underwater acoustic signal to be transmitted, and send the signal to the power amplifier unit according to the precise frequency source signal provided by the high-precision frequency standard unit. Send a trigger signal and maintain a high-precision working clock;

The high-precision frequency standard unit is used to use the low-power atomic frequency standard to provide high-precision frequency source signals for the clock and signal processing units. tame so that it remains more precise;

The power amplifier unit is used to receive the underwater acoustic signal to be transmitted output by the clock and the signal processing unit, and perform power amplification on the underwater acoustic signal to be transmitted to obtain the amplified underwater acoustic signal to be transmitted; the power amplifier unit simultaneously receives the clock and the trigger signal output by the signal processing unit, when receiving the trigger signal, immediately output the amplified underwater acoustic signal to be transmitted to the deep-sea transmitting transducer;

The deep-sea transmitting transducer is used to realize the conversion of electro-acoustic energy, receive the amplified underwater acoustic signal to be transmitted, convert it into acoustic energy, and radiate it out in seawater;

The high-power power supply unit is used for providing high-power power supply to the power amplifier unit.

As one of the improvements of the above technical solutions, the function expansion module further includes: a host computer unit and a marine instrument and equipment;

The host computer unit is used to connect with the main control processor to realize human-computer interaction;

The marine instrument equipment is used for providing connection interfaces of ADCP, CTD, seabed seismograph, biological sensor and chemical sensor to realize marine environmental information observation.

As one of the improvements of the above technical solutions, the deep-sea hydrophone array includes: a plurality of piezoelectric hydrophone units, and the multi-channel underwater acoustic signals of each sampling point are picked up by the plurality of piezoelectric hydrophone units, Perform acousto-electrical conversion, pre-amplification and filtering on the multi-channel underwater acoustic signals of each sampling point picked up to obtain the multi-channel analog signal of each sampling point, and convert the picked-up multi-channel analog signal of each sampling point. transmitted to the data acquisition unit.

As one of the improvements of the above technical solutions, the high-power power supply unit is a disposable lithium battery or a rechargeable lithium battery.

As one of the improvements of the above technical solutions, the universal submersible platform specifically includes: a floating body, a watertight electronic cabin, a deep-sea acoustic transducer, an array of deep-sea hearing devices, a mooring cable, a floating ball, a deep-sea acoustic releaser, and a mooring system. Weights, marine instruments and equipment; the floating body is located on the sea surface, and the watertight electronic cabins, deep-sea acoustic transducers, deep-sea acoustic arrays, mooring cables, floating balls, deep-sea acoustic releasers, mooring weights, marine equipment.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention proposes an acoustic submersible system for deep sea. Based on the basic module, different functional expansion modules can be selected to meet various usage requirements, so as to achieve the purpose of multi-purpose for one standard. The system overcomes the limitation that the current acoustic submersible buoys are highly specialized, and at the same time improves the utilization rate of each unit of the submersible buoy, and reduces the maintenance and guarantee difficulty of the test equipment.

2. The system of the present invention is a comprehensive acoustic submersible system that can be applied to the deep-sea environment, integrating underwater acoustic signal acquisition and recording, underwater acoustic signal reception and processing, punctual transmission of underwater acoustic signals to be transmitted, marine environment monitoring, human It can meet the needs of many research fields such as underwater acoustic physics research, ocean survey, underwater acoustic detection, communication, navigation and positioning, and national marine security.

3. The submersible bidding platform adopts the idea of functional modularization and interface standardization. On the one hand, the submersible bidding platform is divided into several basic modules and functional expansion modules through functional segmentation, and on the other hand, standardized hardware interfaces and software are used between units. The protocol is convenient for the serialization and combination design of the submersible bidding platform, and it is also conducive to the further transformation and capability upgrade of the system.

Description of drawings

FIG. 1 is a schematic structural diagram of a submerged buoy platform for a deep-sea acoustic buoy system according to the present invention;

Fig. 2 is a kind of structural schematic diagram of the acoustic submerged buoy system for deep sea of the present invention;

Fig. 3 is a working flow chart of an acoustic submerged buoy system for deep sea according to the present invention.

Reference number:

1. Floating body 2. Watertight electronic cabin

3. Deep-sea acoustic transducer 4. Deep-sea acoustic transducer array

5. Mooring cable 6. Float

7. Deep Sea Acoustic Releaser 8. Mooring Weight

9. Marine equipment

Detailed ways

The present invention will now be further described with reference to the accompanying drawings.

The present invention provides an acoustic submersible buoy system for deep sea. As shown in FIG. 2 , the system includes: a basic module and a function extension module; each unit in the function extension module is plugged into a plurality of general purpose modules that are set on the basic module. interface to realize the corresponding extension function;

The basic module is used for deep sea water tightness and pressure resistance, low power consumption underwater duty, system status monitoring and general interface;

Wherein, the basic module further includes: a main control processor, an interface unit, a weak current power supply unit, a watertight and mechanical structure unit;

The main control processor is used to complete the low-power underwater duty, system state monitoring and control of the universal submersible platform;

Specifically, the main control processor includes: a first processing unit, a second processing unit and a storage unit;

The first processing unit is used to complete the low-power underwater duty and underwater energy supply of the universal submersible platform;

The second processing unit is used to monitor and control the state of the system;

The storage unit is used to store on-time launch parameters, acquisition and recording parameters and marine environment detection parameters;

Wherein, the first processing unit and the second processing unit are both set in the low-power MSP430 single-chip microcomputer, and the single-chip microcomputer is provided with a plurality of general-purpose interfaces, which are respectively connected with the interface unit, the weak-current power supply unit, The interfaces of the watertight and mechanical structural units and each unit of the functional expansion module are connected and exchanged information.

The interface unit is used to provide a plurality of general interfaces and realize the interface connection 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 piece of low-power FPGA. Chip, with RS232, RS485, Ethernet general interface;

The weak current power supply unit is used to provide power management and control, realize the on-off of the weak current power supply, and provide 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 rechargeable lithium battery;

The watertight and mechanical structural unit is used to provide deep sea water tightness and pressure resistance.

Specifically, the watertight and mechanical structural units include: a deep sea tight electronic cabin 2 and a mooring structure;

The watertight electronic cabin 2 is used to install the main control processor, the interface unit, the weak current power supply unit, the watertight and mechanical structural units inside the watertight electronic cabin, and to protect the units located inside the cabin from normal in the harsh environment under the deep sea. Work; the structure of the deep sea airtight electronic cabin is a cylindrical or spherical structure according to the pressure-resistant environment and the installation requirements of the dry end equipment; the shell material of the deep sea airtight electronic cabin is made of titanium alloy with good corrosion resistance and high strength or Made of stainless steel. The electronic equipment includes: 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 standard unit, a power amplifier unit and a strong current power supply unit.

The mooring structure is a supporting platform to ensure the stability of the watertight electronic cabin 2 and other wet-end equipment in water position and depth. Through reasonable buoyancy design, the mooring structure can keep each component of the universal submersible platform relatively stable in the environment of wind, wave, tide and current.

Wherein, the mooring structure includes: a floating body 1, a mooring cable 5, a deep-sea acoustic releaser 7, and a mooring weight 8;

The bottom of the floating body 1 is connected to the deep sea tight electronic cabin 2 , and the bottom of the deep sea tight electronic cabin 2 is sequentially connected to the mooring cable 5 , the deep sea acoustic release 7 , and the mooring weight 8 .

The function expansion module is used to complete the acquisition and recording of multi-channel underwater acoustic signals in the deep sea, the reception and processing of underwater acoustic signals, the timely transmission of underwater acoustic signals to be transmitted, the monitoring of marine environment and human-computer interaction.

Specifically, as shown in FIG. 2 , the function expansion module further includes: a deep-sea hydrophone array 4, a data acquisition unit, a data storage unit, a clock and signal processing unit, a high-precision frequency standard unit, a power amplifier unit, a deep-sea transmitter converter energy device and strong power supply unit;

The deep-sea hydrophone array 4 is used to complete the acousto-electrical conversion, pre-amplification and filtering of the multi-channel underwater acoustic signals, obtain the multi-channel analog signals, and transmit the picked-up multi-channel analog signals of each sampling point to the A data acquisition unit; specifically, the deep-sea hydrophone array 4 includes: a plurality of piezoelectric hydrophone units, and the multi-channel underwater acoustic signals of each sampling point are picked up by the plurality of piezoelectric hydrophone units, and Perform acousto-electrical conversion, pre-amplification and filtering on the multi-channel underwater acoustic signals of each sampling point picked up to obtain the multi-channel analog signal of each sampling point, and transmit the picked-up multi-channel analog signal of each sampling point to the data acquisition unit;

The data acquisition unit is used for receiving and preprocessing the picked-up multi-channel analog signals of each sampling point for conditioning and AD conversion to obtain the pre-processed multi-channel digital signals for each sampling point;

The data storage unit is used to store and record the preprocessed digital signal of each sampling point; the data storage unit includes several solid-state hard disks, and each solid-state hard disk stores and records multiple data of each sampling point in chronological order. channel digital signals, and recover them to the shore for analysis and processing of test data; wherein, each solid-state hard disk in the data storage unit, according to the order of collection time, first stores the additional digital signals of the first sampling point signal, and then store the multi-channel digital signal of the second sampling point, and so on, until the first solid-state drive is full, and then automatically switch to the second solid-state drive and continue to store in the order of acquisition time until the second A solid-state drive is full, and so on.

The clock and signal processing unit is used to encode the on-time transmission parameters pre-stored in the main control processor, obtain the underwater acoustic signal to be transmitted, and send the signal to the power amplifier unit according to the precise frequency source signal provided by the high-precision frequency standard unit. Send a trigger signal and maintain a high-precision working clock;

The high-precision frequency standard unit is used to use the low-power atomic frequency standard to provide high-precision frequency source signals for the clock and signal processing units. tame so that it remains more precise;

The power amplifier unit is used to receive the underwater acoustic signal to be transmitted output by the clock and the signal processing unit, and perform power amplification on the underwater acoustic signal to be transmitted to obtain the amplified underwater acoustic signal to be transmitted; the power amplifier unit simultaneously receives the clock and the trigger signal output by the signal processing unit, when receiving the trigger signal, immediately output the amplified underwater acoustic signal to be transmitted to the deep-sea transmitting transducer;

The deep-sea transmitting transducer is used to realize the conversion of electro-acoustic energy, receive the amplified underwater acoustic signal to be transmitted, convert it into acoustic energy, and radiate it out in seawater.

The function expansion module also includes a host computer unit, the host computer unit is used to connect with the main control processor to realize human-computer interaction;

The function expansion module also includes marine instruments and equipment, which are used to provide connection interfaces for ADCP, CTD, seabed seismometers, biosensors, and chemical sensors, so as to connect ADCP, CTD, seabed seismometers, biosensors, Chemical sensor for multi-functional and multi-parameter marine environmental information observation.

Among them, as shown in FIG. 1 , the general submersible platform specifically includes: 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 transducer Releaser 7, mooring weight 8, marine equipment 9;

The top of the deep-sea general acoustic submersible platform is a floating body 1; the lower part of the floating body 1 is connected to the watertight electronic cabin 2 through a Kevlar rope; the bottom of the floating body 1 is sequentially connected to the deep-sea acoustic transducer 3 and the deep-sea audio device array through a Kevlar rope. 4. Mooring cable 5, floating ball 6, deep-sea acoustic release 7, mooring weight 8, marine equipment 9.

The present invention proposes an acoustic submersible buoy system for deep sea, which is a general-purpose acoustic submersible buoy system applied to the deep sea environment. The unit to meet various needs, to achieve the purpose of multi-purpose, reflects the versatility of the system.

The deep-sea universal acoustic submersible platform proposed by the invention is a comprehensive acoustic submersible system that can be applied to the deep-sea environment. If the system is equipped with all the units in the function expansion module, it can integrate different functions of multi-channel underwater acoustic signal acquisition and recording, underwater acoustic signal reception and processing, timely transmission of underwater acoustic signals, marine environment monitoring, and human-computer interaction. It can meet the comprehensive needs of marine observation and marine experimental research for acoustic submersible targets; if only one or several extended functions are required, one or several different units can also be selected to achieve customized requirements, which reflects the comprehensiveness of the system. . E.g,

The acquisition and recording of underwater acoustic signals can be realized by matching the deep sea hydrophone array, data acquisition unit and data storage unit;

The underwater acoustic signal reception and processing is realized by matching the deep sea hydrophone array 4, the clock and the signal processing unit;

Through the optional clock and signal processing unit, high-precision frequency standard, transducer and power amplifier unit, the underwater acoustic signal can be transmitted on time;

By matching the host computer unit, the human-computer interaction function can be realized:

By matching marine instruments and equipment, the marine environment monitoring function can be realized.

The deep-sea general acoustic submersible platform adopts the idea of modularization and consists of basic modules and functional expansion modules. Each unit is functionally independent and has its own standardized interface. On the one hand, the basic functions of the deep-sea general acoustic submersible platform are realized through the basic module; An extension function to meet the specific needs of the use of acoustic submersibles. In addition, other functional units with standard interfaces can be customized in the follow-up according to special needs, and further functional expansion can be realized on the basis of the basic module and the existing functional expansion module.

As shown in Figure 1, the top of the deep-sea general acoustic submersible platform is a floating body 1, and its lower part is connected to the watertight electronic cabin 2 through a Kevlar rope; the lower part of the watertight electronic cabin is equipped with a transducer 3 and a deep-sea hearing array 4 . Downwards of the deep sea hydrophone array are the mooring cable 5 , the floating ball 6 , the acoustic release 7 and the mooring weight 8 . In the vicinity of the floating body 1 , the watertight electronic cabin 2 and the mooring cable 5 , marine equipment 9 can also be configured to realize different functional expansion.

As shown in FIG. 3 , in the function expansion module, each unit needs to be judged by plugging, read working mode parameters, and execute corresponding tasks according to commands from the host computer or working parameters.

The data acquisition unit, power amplifier unit, other marine equipment and host computer units have plug-and-play functions. When they are connected with the electrical interface of the acoustic submersible system, the main control processor can determine whether to connect to the above corresponding according to the handshake signal. unit, and at the same time set the working mode flag corresponding to the above corresponding unit;

The main control processor reads the working parameters of the corresponding mode stored in the main control processor according to the set working mode flag; the working parameters can also be sent to the main control processor through the command of the upper computer; the command of the upper computer includes: acoustic diving Standard system status detection, fault recovery, power on and power off of each channel, main control processor timing, uploading main control processor time, high-precision frequency standard unit taming, submersible system parameter configuration, each working mode parameter delivery and Upload; the working parameters of each working mode include: acquisition and recording parameters (sampling rate, number of channels, acquisition and recording mode, start acquisition time, acquisition duration, number of acquisitions, working time interval), on-time transmission parameters (start transmission time, transmission duration, Transmission waveform coding parameters, transmission time interval, transmission times), marine environment monitoring parameters (monitoring parameters, start monitoring time, monitoring duration, monitoring times, monitoring time interval);

Finally, the main control processor responds and executes according to the received command from the host computer; at the same time, the main control processor judges whether it is plugged in and whether the task start time is reached according to the read working mode parameters, and executes the corresponding work task.

As shown in FIG. 3 , after the main control processor of the system starts to run, firstly, the plugging judgment of each unit in the common function expansion module is performed. Determine whether the data acquisition unit, power amplifier unit, other marine equipment and host computer units are plugged in through the handshake signal responses of different units in turn; if one or more function expansion modules have been plugged in, mark the corresponding working mode in sequence Position. Then read the parameters of each working mode. In turn, judge whether the acquisition record mode mark is set, whether the punctual emission mode mark is set, whether the marine environment monitoring mode is set, and whether the human-computer interaction mode mark is set. The storage unit of the main control processor reads the pre-stored corresponding working mode parameters or reads the command of the human-computer interaction mode, and clears the mark. Finally, according to the working mode parameters or human-computer interaction commands obtained above, it is judged whether the acquisition and recording time has arrived, whether the punctual launch time has arrived, whether the marine environment monitoring time has arrived, and whether the upper computer command has been received. Work mode parameters or human-computer interaction commands to perform corresponding tasks. After that, the plug-in judgment of each function expansion module, the reading of each working mode parameter, and the task execution according to each working parameter or human-computer interaction command are performed cyclically again.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that any modification or equivalent replacement of the technical solutions of the present invention will not depart from the spirit and scope of the technical solutions of the present invention, and should be included in the present invention. within the scope of the 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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