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 PDFInfo
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- 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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- Prior art keywords
- hydrophone
- cable
- storage
- mode
- deep water
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring 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
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.
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Cited By (5)
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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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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 |
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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 |