CN106644029A - Multi-functional self-contained hydrophone suitable for deep water and control method - Google Patents

Multi-functional self-contained hydrophone suitable for deep water and control method Download PDF

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Publication number
CN106644029A
CN106644029A CN201710085898.0A CN201710085898A CN106644029A CN 106644029 A CN106644029 A CN 106644029A CN 201710085898 A CN201710085898 A CN 201710085898A CN 106644029 A CN106644029 A CN 106644029A
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China
Prior art keywords
hydrophone
cable
storage
mode
deep water
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Pending
Application number
CN201710085898.0A
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Chinese (zh)
Inventor
张光普
付进
王燕
綦俊峰
王晋晋
王逸林
袁佳斌
邹男
渠畅
刘恺忻
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Harbin Engineering University
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Harbin Engineering University
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Application filed by Harbin Engineering University filed Critical Harbin Engineering University
Priority to CN201710085898.0A priority Critical patent/CN106644029A/en
Publication of CN106644029A publication Critical patent/CN106644029A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring characteristics of vibrations by using a detector in a fluid

Abstract

The invention provides a multi-functional self-contained hydrophone suitable for deep water and a control method. The multi-functional self-contained hydrophone suitable comprises a scalar hydrophone, an electronic compartment, a battery compartment, a protective cover, a communication cable and display control software used in cooperation. The scalar hydrophone receives an acoustic signal, converts the acoustic signal into an electrical signal, and sends the electrical signal to the electronic compartment. The electronic compartment and the battery compartment are separated. The comprises two operating modes including a cable-free mode and a cable mode. In the cable-free mode, the scalar hydrophone is powered by the battery compartment, a time-keeping start storage mode and a depth-keeping start storage mode can be selected, and the stored information includes acoustic information, time and depth information. In the cable mode, the scalar hydrophone is powered by a DC stabilized power supply via a cable, a display control software on a PC controls start and storage, and data can be exported in real time to facilitate field data acquisition and analysis. The self-contained hydrophone has preset sampling rate, operating bandwidth, gain and start time, a programmable storage information encoding protocol, and a maximum underwater working depth of 1000 meters.

Description

The multi-functional self-tolerant hydrophone used suitable for deep water and control method
Technical field
The present invention relates to a kind of hydrophone, more particularly to a kind of multi-functional self-tolerant water used suitable for deep water Listen device.
Background technology
China is the big country that borders on the sea, and Ocean Development Technology has very important status.With China's economic activity with More and more closely, energy strategy, fish production also gradually by coastal waters activity have turned to deep-sea ocean to world's contact, in deep sea waters Mineral reserve, marine resources gradually emerge in the people visual field.Therefore, the deep, acquisition of pelagic environment element information and prediction for Become more and more important for the development of marine acoustics research.
Self-tolerant hydrophone is a autonomous admission and the equipment for storing acoustic information, can be in unattended ocean ring Work for a long time in border.The characteristics of its convenient and efficient, can meet various use demands, become ambient sea noise research, sea The indispensable important tool of scientific research field such as foreign sound layer analysis, geoacoustic inversion, underwater acoustic channel characteristic research.At present, The self-tolerant hydrophone that each R&D institution of China is used is essentially from external company and enterprise.The like product of China with Compare and there is a certain distance, await innovating and improve.
It is poor to there is endurance at present external and domestic self-tolerant hydrophone, stream time length can not adjust, Running parameter can not be adjusted, working method underaction the problems such as.
The content of the invention
It is an object of the invention to provide one kind can synchronously obtain different deep in the range of deep water large scale under deep sea condition The multi-functional self-tolerant hydrophone used suitable for deep water of the underwater acoustic information of degree distribution.The present invention also aims to provide one Plant the control method of the multi-functional self-tolerant hydrophone used suitable for deep water.
The multi-functional self-tolerant hydrophone used suitable for deep water of the present invention:Including scalar hydrophone, electronic compartment, battery Cabin, protective cover and supporting display and control software,
The scalar hydrophone is used to pick up acoustic signal, is translated into the signal of telecommunication, bandwidth of operation be 0.1Hz~ 160KHz;
Described electronic compartment is the stainless steel structure of resistance to deep-water pressure, and internal electronic equipment is by signal condition unit and control Unit constitute, the signal condition unit by prime operational amplifier, variable gain control circuit, bandwidth tunable filter, after Level operational amplifier and optical coupling isolation circuit composition, filtering that prime operational amplifier, variable gain control circuit, bandwidth are adjustable Device, rear class operational amplifier are used for the analogue signal to collecting and nurse one's health, and optical coupling isolation circuit is used for breadboardin end Isolated with digital end, described control unit includes collection memory element and unit on duty, the collection memory element includes Sample rate is adjustable analog change-over circuit, low-power scm and peripheral circuit and memory module, sample rate adjustable low-noise mould/ Number change-over circuit is used to that the analogue signal for collecting to be converted to into digital signal and low-power scm is sent to, and the collection is deposited Storage unit is responsible for completing gathering, stores, control protocol parsing and performing and be equipped with ether using low-power scm as main control chip Network interface, the unit on duty includes attended circuit, pressure transducer and with temperature compensation functional clock chip, and attended circuit is used for The power supply to signal condition unit and collection memory element is controlled, pressure transducer is used for determining device place depth information;
The battery flat is resistance to deep water pressure watertight structure;
Described protective cover is used to protect the fixation of scalar hydrophone and electronic compartment and battery flat, and with suspension ring;
Described supports the use display and control software, for complete parameter default, function setting, controlling of sampling and data display with Analysis.
The present invention's also includes that GPS, Beidou receiver communication connect suitable for the multi-functional self-tolerant hydrophone that deep water is used Mouth and RS232 communication interfaces, interface is drawn by underwater electrical connector, and the display and control software that supports the use is configured with GPS, the Big Dipper Standard communication protocol, for storing the positional information of job site.
The memory module of the multi-functional self-tolerant hydrophone used suitable for deep water of the present invention is USB flash disk, on electronic compartment top End is provided with watertight cover, and USB flash disk is placed in watertight cover.
The control method of the multi-functional self-tolerant hydrophone used suitable for deep water of the present invention is:Possess untethered and have cable Two kinds of mode of operations, under untethered mode of operation, are powered by battery flat, there is two kinds of startup storage modes of timing and depthkeeping, timing Startup is to carry out acoustic data storage according to the duration of storage opening time point set in advance and storage;It is foundation that depthkeeping starts The working method of storage is opened in the output of depth under water set in advance and combination pressure sensor, in the case where there is cable mode of operation, By cable direct-flow voltage regulation source or transformer-supplied, using supporting aobvious control interface Jing netting twine control work, complete storage and open Dynamic and stopping, parameter setting, mode of operation selection, data transfer and display and data analysiss work.
The parameter is default to be referred to entering before water conservancy project makees, by supporting aobvious control interface to sample rate, bandwidth of operation, be System gain, starting time, storage duration and startup depth running parameter are configured.
The present invention is a kind of new suitable for deep water conditions, low-power consumption, Crestor by by underwater sound signal acquisition and recording, developing When, electronic compartment and battery flat are separated, parameter can be arranged and untethered and have the switchable self-tolerant hydrophone of cable.Realize deep sea condition Under, the synchronous underwater acoustic information for obtaining different depth distribution in the range of deep water large scale.The invention has the characteristics that:
1. possess untethered and there are two kinds of mode of operations of cable:Under untethered mode of operation, powered by battery flat, have timing and determine Deep two kinds of startups storage mode, start by set date is to carry out acoustics according to the duration of storage opening time point set in advance and storage Data storage.It is according to depth under water set in advance that depthkeeping starts and the work for storing is opened in the output of combination pressure sensor Mode.In the case where there is cable mode of operation, by cable direct-flow voltage regulation source or transformer-supplied, control staff can utilize supporting aobvious control Interface Jing netting twines control the work of the device, can complete storage and start and stopping, parameter setting, mode of operation selection, data biography Defeated and display and data analysiss work.
2. can preset parameter:Can preset parameter refer to the device enter water conservancy project make before, can be by supporting aobvious control interface The running parameters such as sample rate, bandwidth of operation, system gain, starting time, storage duration, startup depth are configured;
3. device is configured with GPS, Beidou receiver communication interface:The device is configured with RS232 communication interfaces, and interface passes through Underwater electrical connector is drawn.Software is configured with GPS, Big Dipper standard communication protocol, can be used to store the positional information of job site;
4. the coding protocol of PLC technology storage information:User can according to demand adjust coding protocol form, be available for depositing The information of storage includes:Time, acoustic data, depth, position, work sample rate etc..Storage medium is USB flash disk, and it is placed in electronic compartment Under the watertight cover of top, watertight cover can be opened after measurement end-of-job and extracts USB flash disk derivation and processing data, it is convenient and swift.
Description of the drawings
Fig. 1 is a kind of multi-functional self-tolerant hydrophone structure schematic diagram used suitable for deep water of the application;
Fig. 2 is a kind of electronic compartment of multi-functional self-tolerant hydrophone used suitable for deep water of the application, in battery flat Portion's structural representation;
Fig. 3 is a kind of untethered of multi-functional self-tolerant hydrophone used suitable for deep water of the application, has cable Working mould Formula schematic diagram;
Fig. 4 is that a kind of communication cable connected mode of multi-functional self-tolerant hydrophone used suitable for deep water of the application is shown It is intended to.
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings.
With reference to Fig. 1, the present invention's includes suitable for the multi-functional self-tolerant hydrophone that deep water is used:Scalar hydrophone 1, electricity Sub- cabin, battery flat 3 and protective cover 5 are constituted, and electronic compartment carries watertight cover 4.
The scalar hydrophone is used to pick up acoustic signal, the signal of telecommunication is translated into, from 8105 type water of BK companies Device is listened, its bandwidth of operation is 0.1Hz~160KHz, working depth more than 1000 meters;
The electronic compartment is used for holding electronic equipment.Electronic equipment includes signal condition unit, collection memory element and value Class's unit.Signal processing unit is by prime operational amplifier, variable gain control circuit, bandwidth tunable filter, rear class computing Amplifier, optical coupling isolation circuit composition.Acquisition control unit is by low-power consumption MCU, low noise sample rate is adjustable, and analog/digital conversion is electric Road, USB flash disk composition.Unit on duty is made up of ultra low-power microcontroller, clock chip, pressure transducer and attended circuit;
The battery flat is resistance to deep water pressure watertight structure, and the battery flat of this device is divided into several specifications, can be according to being worth under water The demand kept configures corresponding battery flat;
Described protective cover is used to protect the fixation of scalar hydrophone and electronic compartment and battery flat, and is easy to suspension ring Lay;
In the electronic compartment of the multi-functional self-tolerant hydrophone used suitable for deep water that Fig. 2 is provided for the application, battery flat Portion's structural representation.Described device electronic compartment internal structure includes:Signal condition unit, collection memory element and unit on duty. Described device battery flat internal structure includes:Battery unit.In addition the device also includes matching used display and control software;
Described signal condition unit by prime operational amplifier, variable gain control circuit, bandwidth tunable filter, after Level operational amplifier, optical coupling isolation circuit, low noise sample rate is adjustable analog change-over circuit, super low power consuming single chip processor and pressure Sensor.Operational amplifier is used to amplify the ultra-weak electronic signal for receiving.Variable gain control circuit, bandwidth tunable filter and adopt Sample rate is adjustable, and A/D convertor circuit is used to adjust the sample rate of gain, bandwidth and the AD of signal by Single-chip Controlling.A/D convertor circuit For converting analog signals into high-accuracy digital signal.Control unit includes the adjustable analog change-over circuit of sample rate, low-power consumption Single-chip microcomputer and peripheral circuit and memory module.Sample rate adjustable low-noise analog/digital conversion circuit is used for the simulation letter that will be collected Number be converted to digital signal and be sent to MCU.Described collection memory element, as main control chip, is born by a piece of low-power consumption MCU Duty is completed to gather, stored, control protocol parsing and perform and be equipped with Ethernet interface.Pressure transducer is used for determining device and is located deeply Degree, wakes up for depthkeeping and provides relevant parameter.Selected storage medium is USB flash disk, for storing the acoustic information, the time that collect And depth information.From the low-power consumption product MSP432 of TI companies, it adopts low-power consumption 32 based in ARM to low-power scm The microcontroller (MCU) of core, dominant frequency is up to 48MHz.Integrated chip 14 1MSPS analog-digital converters (ADC) at a high speed.Storage is situated between Matter selects 1TB high capacity U discs, it is ensured that the digital to analog converter of this device is in highest 14bit resolution and highest 1MHz sample rate Under conditions of, the data of 166 hours can be stored;
Described unit on duty includes attended circuit, pressure transducer and with temperature compensation functional clock chip.Unit on duty State is kept in constant value and by controlling power supply unit, realize the job control to gathering memory element.Unit on duty can foundation Timing and depthkeeping two ways start collection memory element.The main control chip of unit on duty is that the MSP430F1609 of TI companies is mono- Piece machine.From the ISL12022 chips of low-power consumption, it is internally integrated temperature sensor and crystal oscillator module to real-time clock module, the core Piece has temperature compensation function.Pressure transducer select PTX-1400 types, its pressure limit be 10KPa~60MPa, 4~ The industrial standard output of 20mA, depth capacity can measure about 6000m under water, and precision reaches ± 0.25%FS;
Described supports the use display and control software, for complete the parameter to this device default, function setting, controlling of sampling and Data display and analysis;Wherein running parameter can be arranged, including bandwidth of operation, sample frequency, gain, storage starting time, Storage initial depth, storage duration etc..These parameters can be configured by display and control software.And it is stored in unit on duty In MSP430 single-chip microcomputers, after collection storage work is opened, parameter passes through SPI/I by MSP430 single-chip microcomputers2C interface is transferred to low Power consumption MCU carries out Initialize installation.Display and control software simultaneously can be to being that data encoding protocols to be stored carry out selectivity setting. Alternative data class includes:Acoustic data, depth information, temporal information, positional information, bandwidth of operation and gain etc.. The purpose saved memory space and improve transmission speed can be reached.
Fig. 3 is the working method schematic diagram of the application device, including untethered working method and has two kinds of cable working method, nothing Under cable mode, can be placed in other equipment (such as buoyancy aid 6), work in unmanned state.Powered by battery flat, have timing and Two kinds of startup storage modes of depthkeeping, start by set date is to carry out sound according to the duration of storage opening time point set in advance and storage Learn data storage.It is according to depth under water set in advance that depthkeeping starts and the work for storing is opened in the output of combination pressure sensor Make mode.In the case where there is cable pattern, by cable 7 direct-flow voltage regulation source or transformer-supplied, can hang on workboat 8 and use. The digital signal gathered after conversion by display and control software control data is transmitted in PC 9 by cable, can be completed storage and be started and stop Only, parameter setting, mode of operation selection, data transfer and display and data analysiss work.10 represent weight, 11 representatives in Fig. 3 Target.
Fig. 4 is the communication cable connected mode schematic diagram of the present invention, and electronic compartment and battery flat this end face are furnished with SubConn types and connect Plug-in unit, by patching short cable connection.System power supply interface RS232 interfaces and network interface are reserved with electronic compartment connector. In the case where there is cable working method, data acquisition cable joint is assigned on electronic compartment connector, power supply and data are completed by cable 7 Transmission.The positional information for enrolling data can also be stored by RS232 interfaces simultaneously, be used for post analysis process.

Claims (5)

1. a kind of multi-functional self-tolerant hydrophone used suitable for deep water, including scalar hydrophone, electronic compartment, battery flat, guarantor Shield and supporting display and control software, is characterized in that:
The scalar hydrophone is used to pick up acoustic signal, is translated into the signal of telecommunication;
Described electronic compartment is the stainless steel structure of resistance to deep-water pressure, and internal electronic equipment is by signal condition unit and control unit Composition, the signal condition unit is by prime operational amplifier, variable gain control circuit, bandwidth tunable filter, rear class fortune Calculate amplifier and optical coupling isolation circuit composition, prime operational amplifier, variable gain control circuit, bandwidth tunable filter, after The analogue signal that level operational amplifier is used for collecting is nursed one's health, and optical coupling isolation circuit is used for breadboardin end and numeral End is isolated, and described control unit includes collection memory element and unit on duty, and the collection memory element includes sample rate Adjustable analog change-over circuit, low-power scm and peripheral circuit and memory module, sample rate adjustable low-noise analog/digital conversion Circuit is used to that the analogue signal for collecting to be converted to into digital signal and low-power scm is sent to, the collection memory element Using low-power scm as main control chip, it is responsible for completing gathering, stores, control protocol parsing and performing and be equipped with Ethernet and connect Mouthful, the unit on duty includes attended circuit, pressure transducer and with temperature compensation functional clock chip, and attended circuit is used to control Power supply to signal condition unit and collection memory element, pressure transducer is used for determining device place depth information;
The battery flat is resistance to deep water pressure watertight structure;
Described protective cover is used to protect the fixation of scalar hydrophone and electronic compartment and battery flat, and with suspension ring;
Described supports the use display and control software, for complete parameter default, function setting, controlling of sampling and data display with point Analysis.
2. the multi-functional self-tolerant hydrophone used suitable for deep water according to claim 1, is characterized in that:Also include GPS, Beidou receiver communication interface and RS232 communication interfaces, interface by underwater electrical connector draw, it is described support the use it is aobvious Control software arrangements have GPS, Big Dipper standard communication protocol, for storing the positional information of job site.
3. the multi-functional self-tolerant hydrophone used suitable for deep water according to claim 1 and 2, is characterized in that:Storage Module is USB flash disk, and electronic compartment top is provided with watertight cover, and USB flash disk is placed in watertight cover.
4. the control method of the multi-functional self-tolerant hydrophone used suitable for deep water described in a kind of claim 1, its feature It is:Possess untethered and there are two kinds of mode of operations of cable, under untethered mode of operation, powered by battery flat, there is two kinds of timing and depthkeeping Start storage mode, start by set date is to carry out acoustic data according to the duration of storage opening time point set in advance and storage to deposit Storage;It is according to depth under water set in advance that depthkeeping starts and the working method for storing is opened in the output of combination pressure sensor, In the case where there is cable mode of operation, by cable direct-flow voltage regulation source or transformer-supplied, using supporting aobvious control interface Jing netting twine controls Work processed, completes storage and starts and stopping, parameter setting, mode of operation selection, data transfer and display and data analysiss work.
5. the control method of the multi-functional self-tolerant hydrophone used suitable for deep water according to claim 4, its feature It is:The parameter is default to be referred to before water conservancy project work is entered, and sample rate, bandwidth of operation, system are increased by supporting aobvious control interface Benefit, starting time, storage duration and startup depth running parameter are configured.
CN201710085898.0A 2017-02-17 2017-02-17 Multi-functional self-contained hydrophone suitable for deep water and control method Pending CN106644029A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN108362369A (en) * 2018-01-25 2018-08-03 国家海洋技术中心 A kind of self-tolerant single channel ocean acoustic signal measurement apparatus having synchronizing function
CN108917911A (en) * 2018-08-20 2018-11-30 南京海精电子技术有限公司 A kind of portable self-tolerant hydrophone
CN109765618A (en) * 2019-01-30 2019-05-17 自然资源部第二海洋研究所 A kind of marine seismic acquisition system and method based on towing cable carrying
CN113485180A (en) * 2021-06-29 2021-10-08 中国人民解放军91550部队 Self-contained multi-channel transient noise measurement system
CN113783258A (en) * 2021-09-07 2021-12-10 哈尔滨工程大学 Intelligent self-contained multi-protocol serial data collector

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CN204854946U (en) * 2015-06-29 2015-12-09 杨明华 Data acquisition and processing system of integrated form ocean subsurface buoy underwater sound signal
CN204854953U (en) * 2015-07-21 2015-12-09 宁波大学 Underwater sound signal record appearance

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CN104764519A (en) * 2015-04-03 2015-07-08 中国人民解放军91388部队 Submerged buoy type acoustic signal acquisition and storage system
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Publication number Priority date Publication date Assignee Title
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CN108917911A (en) * 2018-08-20 2018-11-30 南京海精电子技术有限公司 A kind of portable self-tolerant hydrophone
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CN113485180A (en) * 2021-06-29 2021-10-08 中国人民解放军91550部队 Self-contained multi-channel transient noise measurement system
CN113783258A (en) * 2021-09-07 2021-12-10 哈尔滨工程大学 Intelligent self-contained multi-protocol serial data collector
CN113783258B (en) * 2021-09-07 2024-04-09 哈尔滨工程大学 Intelligent self-contained multi-protocol serial data collector

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Application publication date: 20170510