CN110737025A - submerged buoy underwater acoustic treatment device and system - Google Patents
submerged buoy underwater acoustic treatment device and system Download PDFInfo
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- CN110737025A CN110737025A CN201911031103.3A CN201911031103A CN110737025A CN 110737025 A CN110737025 A CN 110737025A CN 201911031103 A CN201911031103 A CN 201911031103A CN 110737025 A CN110737025 A CN 110737025A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
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Abstract
The invention relates to the technical field of underwater acoustic signal detection, and particularly discloses an submersible buoy underwater acoustic processing device which comprises a control module, a processing module, a power supply module, an acquisition module and a storage module, wherein the control module is used for establishing communication connection with an upper computer and controlling the work of the power supply module and the processing module according to a control instruction of the upper computer, the power supply module is used for supplying power for the work of the control module and the work of the processing module, the acquisition module is used for performing analog-to-digital conversion on acoustic signals, the processing module is used for performing parameter configuration on the acquisition module and the storage module according to the control instruction, can control the work of the acquisition module and the storage module and realize the processing of the acoustic signals in various data forms, and the storage module is used for storing data processed by the processing module into various data forms.
Description
Technical Field
The invention relates to the technical field of underwater acoustic signal detection, in particular to submerged buoy underwater acoustic processing devices and a submerged buoy underwater acoustic processing system comprising the same.
Background
The submarine buoy underwater acoustic system has the advantages of good concealment, strong independent function capability, long-term stable operation and the like, and can realize underwater networking through an underwater acoustic communication interface, so that the submarine buoy underwater acoustic system is currently applied to ocean exploration in mode.
The traditional underwater buoy underwater acoustic processing circuit has the following defects:
(1) the data storage space is small: the power supply of the subsurface buoy system mainly depends on a lithium battery in the subsurface buoy system for power supply, the electric energy storage of the lithium battery is limited, in order to improve the continuous working time of the subsurface buoy system, the design of a circuit system must adopt a low-power-consumption scheme design, a low-power-consumption storage scheme is selected on a storage medium, a TF card or a CF card is selected as the storage medium, and the maximum storage capacity is 256 GB;
(2) storage data sheet for reducing system power consumption, the traditional underwater buoy system mainly adopts the scheme of FPGA (field programmable array) + MCU (microcontroller), the FPGA is mainly responsible for carrying out analog-to-digital conversion on analog array element domain signals conditioned by a receiving transducer, and then transmitting the converted digital signals to the MCU for processing and storage, and because the MCU has weak signal processing capability and does not have the function of carrying out multi-array element real-time beam forming processing, the traditional underwater buoy underwater sound processing circuit only stores original array element domain data.
(3) Weak signal processing capability: the traditional underwater acoustic processing circuit of the submerged buoy adopts a low-power-consumption processing scheme of FPGA + MCU, so that the processing of narrow-band beam forming, broadband beam forming, line spectrum detection, MVDR self-adaptive beam forming and the like on the underwater acoustic processing circuit of the submerged buoy is not provided.
(4) The debugging means is single , the program can not be updated on line, the transmitted underwater sound processing circuit of the submerged buoy is installed in the electronic cabin of the submerged buoy, the function is verified by detaching the memory card in the underwater sound processing circuit of the submerged buoy and reading the memory card by a PC machine during debugging, when the program needs to be updated, the electronic cabin needs to be detached, and the program can be updated only after the FPGA and the MCU downloader are connected with the FPGA chip and the MCU chip.
(5) The working mode is single , the traditional submerged buoy system mainly works in a mode of presetting timing and setting tasks, the working mode has no underwater acoustic communication interface, the submerged buoy system can work inefficiently in a certain period of time, the collected and stored data are invalid, the whole submerged buoy system works inefficiently, and the electric energy waste and the data storage space waste of the lithium battery are caused.
Disclosure of Invention
The invention aims to at least solve technical problems in the prior art, and provides a submersible buoy underwater acoustic treatment device and a submersible buoy underwater acoustic treatment system comprising the submersible buoy underwater acoustic treatment device, so as to solve the problems in the prior art.
As an th aspect of the invention, the invention provides a submerged buoy underwater acoustic treatment device, which comprises a control module, a processing module, a power supply module, an acquisition module and a storage module;
the control module is used for establishing communication connection with an upper computer and controlling the work of the power supply module and the processing module according to a control instruction of the upper computer;
the power supply module is used for supplying power for the work of the control module and the processing module;
the acquisition module is used for acquiring acoustic signals and performing analog-to-digital conversion on the acoustic signals;
the processing module is used for configuring parameters of the acquisition module and the storage module according to the control instruction, controlling the acquisition module and the storage module to work and processing the acoustic signals in various data forms;
the storage module is used for storing the data processed by the processing module into a plurality of data forms.
Further , the processing module includes a ZYNQ architecture processor.
, the ZYNQ framework processor comprises an FGPA and an ARM, the FPGA is in communication connection with the ARM, the FPGA is used for controlling the work of the acquisition module and the storage module, and the ARM is used for processing the acoustic signals in various data forms.
, the control module includes a single chip.
Further , the acquisition module includes two analog-to-digital conversion circuits each communicatively coupled to the processing module.
, the underwater buoy underwater acoustic treatment device further comprises:
an Ethernet communication interface disposed on the processing module.
, the underwater buoy underwater acoustic treatment device further comprises:
and the conditioning control module is in communication connection with the processing module.
, the underwater buoy underwater acoustic treatment device further comprises:
a compass interface disposed on the processing module.
, the underwater buoy underwater acoustic treatment device further comprises:
the control module is in communication connection with the upper computer through the underwater sound communication interface.
According to another aspects of the invention, the submerged buoy underwater acoustic treatment system comprises an upper computer and the submerged buoy underwater acoustic treatment device, wherein the upper computer is in communication connection with the submerged buoy underwater acoustic treatment device.
Through the submerged buoy underwater acoustic processing device, the processing module can be used for processing acoustic signals in various data forms, the corresponding storage module can also be used for storing data processed by the processing module into various data forms, so that the problem of a system data storage list in the prior art is solved, in addition, through the arrangement of the power supply module, the continuous working time of the processing module and the control module can be prolonged, the storage module with large storage capacity can be used for realizing data storage, and the problem of small data storage space in the prior art is solved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and constitute a part of this specification, and together with the following detailed description , serve to explain the invention without limiting it.
FIG. 1 is a block diagram of a submersible buoy underwater acoustic treatment device provided by the present invention;
FIG. 2 is a block diagram of an embodiment of a submersible buoy underwater acoustic treatment device provided by the present invention;
FIG. 3 is a diagram of an internal circuit of an AD7768 according to the present invention;
FIG. 4 is a hardware schematic diagram of the PTH08080WAD provided by the present invention;
FIG. 5 is a schematic diagram of a DDR3 termination voltage regulator provided in the present invention;
fig. 6 is a hardware schematic diagram of ADP7118 provided by the present invention;
fig. 7 is a hardware schematic diagram of an ADC reference voltage source provided by the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
For those skilled in the art to better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of the , rather than all embodiments.
Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a series of steps or elements of is not necessarily limited to the expressly listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, submersible buoy underwater acoustic processing devices are provided, and fig. 1 is a block diagram of a submersible buoy underwater acoustic processing device 100 provided according to an embodiment of the present invention, as shown in fig. 1, including a control module 110, a processing module 120, a power supply module 130, an acquisition module 140, and a storage module 150;
the control module 110 is used for establishing communication connection with an upper computer and controlling the work of the power supply module 130 and the processing module 120 according to a control instruction of the upper computer;
the power module 130 is used for providing power supply for the operations of the control module 110 and the processing module 120;
the acquisition module 140 is configured to acquire an acoustic signal and perform analog-to-digital conversion on the acoustic signal;
the processing module 120 is configured to perform parameter configuration on the acquisition module 140 and the storage module 150 according to the control instruction, control the operation of the acquisition module 140 and the storage module 150, and perform processing on the acoustic signal in multiple data forms;
the storage module 150 is configured to store the data processed by the processing module 120 into a plurality of data forms.
Through the submerged buoy underwater acoustic processing device, the processing module can be used for processing acoustic signals in various data forms, the corresponding storage module can also be used for storing data processed by the processing module into various data forms, so that the problem of a system data storage list in the prior art is solved, in addition, through the arrangement of the power supply module, the continuous working time of the processing module and the control module can be prolonged, the storage module with large storage capacity can be used for realizing data storage, and the problem of small data storage space in the prior art is solved.
The structure and the working process of the submerged buoy underwater sound processing device improved by the embodiment are described in detail with reference to fig. 2.
As shown in fig. 2, as a specific implementation of the processing module 120, the processing module includes: ZYNQ architecture processor.
, the ZYNQ framework processor comprises an FGPA and an ARM, the FPGA is in communication connection with the ARM, the FPGA is used for controlling the work of the acquisition module and the storage module, and the ARM is used for processing the acoustic signals in various data forms.
Preferably, the ZYNQ-architecture processor may be specifically a ZYNQ-architecture 7020 chip listed in the ZYNQ architecture of XILINX corporation, and is composed of FPGAs of a7 series and an ARM of dual core a9, and the external interface includes functions of an acquisition module, a power supply module, a conditioning board program control gain module, a storage module SD card, a DDR3 module, a compass interface, an underwater acoustic communication interface, a control module, and the like.
Specifically, the ARM end is provided with rich interfaces (gigabit Ethernet, SD card, WLAN, CAN bus, UART, USB, SPI, NAND FLASH, NOR FLASH and the like), the working main frequency CAN reach 800MHZ, the interior of the ARM end is also provided with an FPU (floating point processing unit) which CAN perform simple digital signal processing functions, the ARM end is mainly used for completing multitask management including a working mode of a high-order sound field sensor array, digital signal processing task management, storage configuration, communication control and the like, and the FPGA end is mainly used for completing functions of collection of 12-element sensor information, RS422 communication, program control gain control and the like.
Preferably, the ZYNQ architecture chip adopted in the present embodiment is a ZYNQ architecture 7020-CSG 484I.
It should be understood that the specific circuit structure of the ZYNQ architecture 7020-CSG484I is well known to those skilled in the art and will not be described herein.
As a specific implementation of the control module 110, the control module 110 includes a single chip microcomputer.
Preferably, the control module 110 may adopt a single chip microcomputer with model number MSP 430.
As a specific embodiment of the acquisition module 140, the acquisition module 140 includes two analog-to-digital conversion circuits, each of which is communicatively connected to the processing module.
Specifically, the acquisition module 140 mainly functions to perform analog-to-digital conversion on analog signals output by modulation, and is mainly realized through an ADC module, the ADC is an AD7768 chip of ADI company, the AD7768 chip has 8-channel acquisition and 24-bit resolution, the highest sampling rate of the AD7768 chip is 256kSPS, the dynamic range of the ADC is 108dB, the Total Harmonic Distortion (THD) of the ADC is-120 dB, the peak-to-peak value of an input end of the ADC is a low-power-consumption sampling mode, the power consumption of each channel is about 10mV at a sampling rate of 16kps, in the typical application field is in the field of sonar submersible standard, and therefore, only two AD7768 chips are needed to meet the requirement of the project, and the functional block diagram of the AD7768 is shown in FIG. 3.
As can be seen from fig. 3, the 8-channel analog differential signals at the input end are analog-to-digital converted by the sigma-delta a/D converter, filtered by the low-delay sinc5 filter, and output by the offset and gain phase correction interface and the serial digital signal output module.
It should be noted that, the AD7768 supports two configuration modes, that is, GPIO and SPI, in the acquisition mode configuration, and the analog-to-digital conversion is mainly performed by using an SPI bus protocol. The SPI control interface and the serial data output interface are connected with the I/O of the FPGA of the ZYNQ framework processor.
It should be understood that the peripheral circuit structure of AD7768 is well known to those skilled in the art and will not be described herein.
As a specific embodiment of the power module 130, the main function of the power module 130 is to convert the power provided by the lithium battery into low voltage voltages (1V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V) through the power module so as to provide stable and reliable power for each functional module, and the power module chips used in the acquisition processing module mainly include four power modules, namely PTH08080WAD, TPS51200DRCT, ADP7118ARDZ, and ADA4841-1 YRJZ.
Specifically, fig. 4 shows a hardware schematic diagram module of PTH08080WAD, where PTH08080WAD is module integrated power supplies provided by TI corporation, and integrates power inductors and capacitors, and when in use, a stable output voltage can be obtained only by configuring a high-precision resistor.
In fig. 4, the input power supply voltage is 12V, which is provided by a lithium battery, and the voltage output of 1V can be obtained after the configuration through a high-precision resistor R22A.
Specifically, fig. 5 shows a hardware design module of the DDR3 termination voltage regulator, and the VTTDDR voltage regulator module is required to be as close to the DDR3 memory chip as possible in the PCB layout.
Specifically, fig. 6 shows a +5V power supply obtained by conversion of the ADP7118 power supply module, which mainly provides power supply voltages for the conditioning board, the preamplifier board, and the I/O conversion driving module.
The ADC module needs to provide accurate VREF reference voltages, which may be provided by high-precision voltage sources ADR444ARZ and AD4841, the hardware design circuit diagram of the reference voltage sources is shown in fig. 7, the output terminal of the ADR444ARZ provides high-precision voltage sources, and the two pieces of AD7768 are driven after being amplified by the ADA 4841.
As a specific embodiment of the storage module 150, the storage module 150 has a main function of completing storage of raw array element domain data, beamforming processing data, and compass sensor data. At present, the storage module mainly has several main modes, i.e., hard disk storage, SD card storage, and FLASH storage, and in view of volume, power consumption, and requirements, the embodiment preferably selects a 512GB SD card of the FLASH corporation as the storage module. In the memory module, a control pin of the memory module is connected with an ARM end of a ZYNQ framework processor, and the I/O of the ARM end is 1.8V, so that a driving conversion chip TXS02612RTWR is required to be converted into 3.3V, and then the SD card is read and written.
It should be understood that the circuit schematic diagram of the memory module is well known to those skilled in the art and will not be described herein.
Specifically, the underwater buoy underwater acoustic treatment device further comprises:
an Ethernet communication interface disposed on the processing module.
It can be understood that the ethernet is mainly convenient for debugging and program software upgrading of the submerged buoy system, analog data at the PC terminal can be transmitted to the DDR3 through the ethernet in the beam forming algorithm verification process, then the data in the DDR3 is read by the ZYNQ architecture processor for beam forming related algorithm processing, and then the processed result is transmitted to the PC through the ethernet for result display, and in addition, remote updating of functions in the ZYNQ architecture processor can also be realized through the ethernet interface. The ethernet transmission in this embodiment is in GMII mode, and is converted by the ethernet MAC chip 88E1116R, and then connected to the ethernet RJ45 interface through a network transformer.
It should be understood that the circuit schematic diagram for ethernet is well known to those skilled in the art and will not be described herein.
Specifically, the underwater buoy underwater acoustic treatment device further comprises:
and the conditioning control module is in communication connection with the processing module.
Specifically, the underwater buoy underwater acoustic treatment device further comprises:
a compass interface disposed on the processing module.
Specifically, the underwater buoy underwater acoustic treatment device further comprises:
the control module is in communication connection with the upper computer through the underwater sound communication interface.
The working principle of the submerged buoy underwater acoustic treatment device improved by the embodiment is as follows:
when the control module 110 receives the underwater acoustic instruction information, the instruction information is analyzed, then a power supply enabling signal is output, a plurality of power supply circuits in the power supply module 130 are controlled to be started according to a default sequence, when the processing module 120 is started, a heartbeat signal of normal work of the processing module 120 is sent to a processor module of the control module through a serial bus, after the control module MSP430 receives the heartbeat signal of the processing module 120, configuration parameters (sampling rate, signal processing mode, storage address and the like) in the underwater buoy system are sent to the processing module 120, after the processing module 120 analyzes the commands, external interfaces such as an ADC (analog to digital converter), an SD (secure digital) card and the like are started to realize normal work of the underwater acoustic processing device, after the control module receives a command for closing the underwater buoy system, the control module MSP430 first sends the command to the processing module 120, and the processing module 120 first closes all the external interfaces, for example, stopping ADC data acquisition, stopping data storage, etc., when the peripheral is completely closed, the processing module 120 sends a response signal indicating that the peripheral is successfully closed to the control module MSP430, and after receiving the response signal, the control module controls the enable pin of the power supply module to stop the power supply output of the submerged buoy system.
In summary, compared with the conventional technology, the underwater acoustic processing device of the present embodiment has the following technical effects:
(1) the storage space of the underwater acoustic processing circuit of the submerged buoy is improved, and the storage space of 512GB data volume can be realized by adopting a novel high-speed SD card.
(2) The Linux operating system is operated on the ZYNQ framework platform, and original array element domain data storage, beam domain data storage and compass data storage of the subsurface buoy receiving transducer are stored in different areas of the SD card in real time through multi-task management.
(3) The processor has strong floating point, fixed point processing and parallel computing capabilities, can run an LINUX operating system on a platform, and realizes processing capabilities of multitask management narrow-band beam forming, broadband beam forming, line spectrum detection, MVDR self-adaptive beam forming and the like.
(4) An Ethernet communication interface is reserved and connected to a watertight connector of the subsurface buoy electronic cabin, the functions of subsurface buoy data reading, processing and program network programming updating can be achieved through an external network socket during debugging, and when the underwater buoy electronic cabin is actually used, the watertight connector is plugged through a watertight plug.
(5) An underwater acoustic communication interface is reserved, the analysis of a water removing sound command is realized through a low-power-consumption duty circuit MSP430F149, the output and the working mode of a submerged buoy power supply are configured, and therefore the configuration of a submerged buoy multitask processing mode is realized.
According to another embodiment of the invention, the submerged buoy underwater acoustic treatment system comprises an upper computer and the submerged buoy underwater acoustic treatment device, wherein the upper computer is in communication connection with the submerged buoy underwater acoustic treatment device.
In the submersible buoy underwater acoustic processing system provided by the embodiment, the processing module can be used for processing acoustic signals in various data forms by adopting the submersible buoy underwater acoustic processing device, and the corresponding storage module can also be used for storing data processed by the processing module into various data forms, so that the problem of a system data storage list in the prior art is solved.
It should be understood that the upper machine body may be a control system for underwater sound processing of a submerged buoy.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
- The underwater buoy underwater acoustic processing device of varieties is characterized by comprising a control module, a processing module, a power supply module, an acquisition module and a storage module;the control module is used for establishing communication connection with an upper computer and controlling the work of the power supply module and the processing module according to a control instruction of the upper computer;the power supply module is used for supplying power for the work of the control module and the processing module;the acquisition module is used for acquiring acoustic signals and performing analog-to-digital conversion on the acoustic signals;the processing module is used for configuring parameters of the acquisition module and the storage module according to the control instruction, controlling the acquisition module and the storage module to work and processing the acoustic signals in various data forms;the storage module is used for storing the data processed by the processing module into a plurality of data forms.
- 2. The submersible buoy water sound processing apparatus of claim 1, wherein the processing module includes: ZYNQ architecture processor.
- 3. The submersible buoy water sound processing device of claim 2, wherein the ZYNQ architecture processor includes: the FPGA is used for controlling the acquisition module and the storage module to work, and the ARM is used for processing the acoustic signals in various data forms.
- 4. The submersible buoy water sound processing apparatus of claim 1, wherein the control module includes a single chip microcomputer.
- 5. The submersible buoy water sound processing device of claim 1, wherein the acquisition module includes two analog-to-digital conversion circuits each communicatively connected to the processing module.
- 6. The submersible buoy water sound treatment apparatus of any of claims 1 to 5, further comprising:an Ethernet communication interface disposed on the processing module.
- 7. The submersible buoy water sound treatment apparatus of any of claims 1 to 5, further comprising:and the conditioning control module is in communication connection with the processing module.
- 8. The submersible buoy water sound treatment apparatus of any of claims 1 to 5, further comprising:a compass interface disposed on the processing module.
- 9. The submersible buoy water sound treatment apparatus of any of claims 1 to 5, further comprising:the control module is in communication connection with the upper computer through the underwater sound communication interface.
- 10, a submersible buoy underwater acoustic treatment system, which is characterized in that it comprises an upper computer and a submersible buoy underwater acoustic treatment device as claimed in any of claims 1 to 9, wherein the upper computer is connected with the submersible buoy underwater acoustic treatment device in a communication way.
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| CN112764015A (en) * | 2020-11-24 | 2021-05-07 | 海鹰企业集团有限责任公司 | Sonar target capable of dynamically responding and response method thereof |
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