CN107202632A - Vector sensor unit for underwater surveillance net - Google Patents
Vector sensor unit for underwater surveillance net Download PDFInfo
- Publication number
- CN107202632A CN107202632A CN201710432521.8A CN201710432521A CN107202632A CN 107202632 A CN107202632 A CN 107202632A CN 201710432521 A CN201710432521 A CN 201710432521A CN 107202632 A CN107202632 A CN 107202632A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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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
- G01V1/001—Acoustic presence detection
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- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to a kind of vector sensor unit that can under water monitor and be used in net, including vector hydrophone, vector wave detector, and corresponding signal processing module.Vector hydrophone is made up of pressure hydrophone and accelerometer, for receiving underwater sound signal in ocean；Vector wave detector is made up of pressure detector and acceleration detector, the acquisition for completing seabed acoustical signal；Signal processing module has signal amplification, filtering, sampling and communication function, processing and transmission for completing signal.The present invention can simultaneously in Measuring Oceanic the underwater sound and ground acoustical signal, metrical information more enriches, and measurement result is relatively reliable, available for harbour, navigation channel, seashore warning under water, earthquake and tsunami early warning, submarine oil resources exploration, in terms of living marine resources investigation.
Description
Technical field
The present invention relates to a kind of vector sensor unit, specifically one kind can be monitored under water uses in net, can
The vector sensor unit of underwater signal and seabed vibration signal is obtained simultaneously.
Background technology
Underwater surveillance net is generally divided into fixed and mobile by a series of sensor network that probe nodes are constituted under water
Two kinds of formula, is mainly used in military investigation, and the navigation channel at harbour is guarded against, oceanographic observation etc., with very important strategic value.In recent years
Come, although the honest building-up work pushed into the underwater alert system and oceanographic observation network of networking of China, but with foreign countries
Compare, the countermeasure system of networking under water and its operation that China builds also have a certain distance, and the system of structure is predominantly located at
China's offshore or coastal waters, the far-reaching extra large antagonism of shortage, and underwater counterwork networking and maintenance service are single, and deep-sea is hidden
Work capacity is weak, and some restrictions are to be resolved the problem of network center's countermeasure techniques develop under water.
Typical fixed underwater, which monitors net, to be made up of multiple acoustics nodes based on pressure hydrophone, by hydrophone
The noise of direct measurement probe node superjacent waters target.Deep-sea fixed underwater, which monitors net, can utilize far-reaching extra large acoustic propagation
Characteristic, forms the long-range three-dimensional probe communication network in seabed, to submarine target remote probe and a wide range of early warning, it is possible to reference to shifting
Dynamic confrontation node, is detected to operational node under water and platform, is scouted, is positioned.
With continuing to develop for damping noise reduction technology, underwater low-noise acoustic target is more and more, and traditional pressure hydrophone is
The need for underwater monitoring can not being met well.Vector hydrophone is a kind of small volume and the sound with dipole shape directive property connects
Receive device, low frequency (below 1kHz) sound reception excellent performance.Compared with pressure hydrophone, it is in detection range, target identification and determines
It is improved, is widely used at present in the noise testing such as sonar buoy, subsurface buoy field in terms of.Supervise under water
Listen in net, due to being limited by mounting means, vector hydrophone never has to be applied on a large scale.
Although low-frequency sound wave can be propagated in ocean medium and long distance, from off-lying sea into offshore communication process, due to
Acoustic wave energy decay in sea and the reflex in seabed, water body directly affects the work of acoustic sounding node quickly.By
Reflex in seabed, sound field has a big chunk energy projects into seabed medium, and by way of ground sound distally
Propagation, therefore the acquisition and analysis of acoustical signal over the ground, the long-range detection for target have great significance.At present in seabed
Fixedly usually using submarine seismograph (US13109794, ZL201110278604.9) in acoustic detection, although this sensing
Device can obtain the sound pressure information of seabed three-dimensional vibrating information and water body, but this method working time is short, and measurement point is few, therefore
The information content of acquisition is than relatively limited.
The content of the invention
For problem above, the present invention is based on the underwater sound and ground two kinds of remote probe technologies of sound, and proposition is a kind of to be used to supervise under water
The vector sensor unit of net is listened, the unit receives acoustics and vibration signal information simultaneously, using Fusion, real
Remote probe, identification, positioning and the communication of existing submarine target.
In order to solve the above problems, the present invention uses following scheme：
A kind of vector sensor unit for underwater surveillance net, including measured for underwater sound signal vector hydrophone,
The vector wave detector and signal processing module measured for seismic signal, vector hydrophone and the vector wave detector is and signal
The input connection of processing module, the output end of the signal processing module is plugged into box.
It is used as the further improvement of above-mentioned technical proposal：
The signal processing module of multiple vector sensor units constitutes link network by leader cable, at each signal
The signal that reason resume module is crossed is transferred to box of plugging into by leader cable, and last layer network is transferred data to by box of plugging into.
The vector hydrophone irrigates into a neutral positive buoyancy spheroid using epoxy resin, and eight pressure hydrophones are uniform
Spherome surface is inlayed, the symmetrically placed spheroid geometric center of six piezoelectric accelerometer pairwise orthogonals and mutual alignment, which are utilized, installs base
Seat correction is fixed, and pre-amplification circuit and integrated magnetic compass sensor are located at ball interior position on the upper side, and output signal is by soft
Property composite cable output.
The vector wave detector and signal processing module are installed in watertight box using the vulcanization of rubber, are integrated into leader cable
A part；Vector wave detector is contacted with seabed, is listened and is constituted with three capacitance accelerometers by an acoustic pressure water；Vector wave detector
Head is sound transmitting rubber cover, and inside is provided with piezoelectric element and piezoelectric element pedestal, and the electric signal that piezoelectric element is produced passes through double
Twisted wire accesses signal processing module；Three capacitance accelerometers are fixed in installation pedestal mutually orthogonally, and signal passes through signal
Line accesses signal processing module.
Described vector hydrophone realizes flexible suspension using single flexible compound cable.
The other end for the flexible compound cable that described vector hydrophone is used is underwater electrical connector, and wet under water insert can be achieved
Pull out.
The technical effects of the invention are that：
The present invention substitutes pressure hydrophone using vector hydrophone, has higher detection accuracy in terms of low-frequency acquisition；
Vector hydrophone uses the mounting means in anchor system seabed, can be adjusted from bottom height according to the Underwater Acoustic Environment of different waters, with
Obtain optimal detection condition；Present invention introduces ground acoustic detection, strengthen undersea long Effect on Detecting, effectively make up single spy
The deficiency of survey mode；The present invention can be used for sea floor petroleum exploration, submarine acoustic parameter measurement, submarine earthquake and the monitoring of tsunami etc.
Field.
Brief description of the drawings
Fig. 1 is vector sensor unit overall structure diagram
Fig. 2 is vector hydrophone structural representation
Fig. 3 is vector detector structure schematic diagram.
In figure：1st, vector hydrophone；11st, neutral positive buoyancy spheroid；12nd, pressure hydrophone；13rd, piezoelectric accelerometer；14、
Installation pedestal；15th, pre-amplification circuit；16th, flexible compound cable；17th, underwater electrical connector；2nd, vector wave detector；21st, outside watertight
Shell；22nd, sound transmitting rubber layer；23rd, piezoelectric element；24th, twist paired signal line；25th, installation pedestal；26th, capacitance accelerometer；27th, believe
Number line；28th, installation pedestal；3rd, signal processing module；4th, leader cable；5th, plug into box；6th, seabed；7th, sea；31st, conditioning module；
32nd, data acquisition module；33rd, communication module；34th, control module；35th, connector interface.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, vector sensor unit includes a vector hydrophone 1, a vector wave detector 2, and a letter
Number processing module 3, as shown in Figure 1.Underwater electrical connector 17 and signal that vector hydrophone 1 passes through the other end of flexible compound cable 16
Processing module 3 realize machinery with circuit on connection, signal processing module 3 as vector wave detector 2 a part.Multiple vectors
Sensor unit constitutes link network by leader cable 4, and vector sensor unit passes through signal treated in real time during work
Leader cable 4, which is transferred signals to, plugs into box 5, then transfers data to last layer network by box 5 of plugging into.Plug into the conduct of box 5
The power supply of vector sensor unit and information transferring equipment.
The structure of vector hydrophone 1 is as shown in Fig. 2 whole vector hydrophone 1 is irrigating into a neutrality just using epoxy resin
Buoyant spheres 11, to ensure its watertightness and resistance to pressure.Eight pressure hydrophones 12 uniformly inlay spherome surface, and six piezoelectricity add
The symmetrically placed spheroid geometric center of the pairwise orthogonal of speedometer 13, mutual alignment is corrected using installation pedestal 14.Pre-amplification circuit
15 and integrated magnetic compass sensor be located at ball interior position on the upper side, output signal exports by flexible compound cable 16.
Vector wave detector 2 and signal processing module 3 in watertight box 21, are integrated into the one of leader cable 4 using the vulcanization of rubber
Part, as shown in Figure 3.Vector wave detector 2 by an acoustic pressure water listen 22 and three capacitance accelerometers 26 constitute, directly and seabed
6 contacts.The head of vector wave detector 2 is a sound transmitting rubber cover 22, and inside is provided with piezoelectric element 23 and its pedestal 25, pressure
The electric signal that electric device 23 is produced accesses signal processing module by twisted-pair feeder 24.Three capacitance accelerometers 26 are mutually orthogonally
It is fixed in installation pedestal 28, signal accesses signal processing module by signal wire 27.
Signal processing module 3 is used for processing, control and transmission to all the sensors signal in vector units.Vector water is listened
The output signal of device 1 is introduced by connector interface 35, and the output signal of vector wave detector directly passes through line out of watertight box 21
Cable is introduced.Sensor output signal initially enters Signal-regulated kinase 31 and is amplified filtering, and controller 34 is controlled for gain；
Then signal enters data acquisition module 32, signal from analog amount is completed to the conversion of digital quantity, finally by communication module 33
Signal is sent into leader cable 4.
The present invention can carry out effective monitoring to below 1kHz low-frequency noises in ocean and vibration signal, even for 5
The infra-acoustic frequency signal of~20Hz scopes, can also play a significant role.Wherein according to mission requirements, vector hydrophone can be arranged in
The deep-sea of one km or so, makes full use of the acoustic propagation characteristic of deep ocean channel axle, realizes the distant early warning of target, and unidirectional remote
Cheng Tongxin；Or the deep-sea below two kms is arranged in, using reliable acoustic path, realize large-scale underwater stereoscopic detection.Knot
The detection method of ground audio technology is closed, the present invention integrates the underwater sound with vector hydrophone with earthquake with vector wave detector, right
Two kinds of combined signal analyses of sound and vibration in ocean, can obtain more fully underwater information.In order to coordinate the cloth of submarine cable
Put, vector hydrophone uses the mounting means of submarine anchor system, itself orientation is corrected using magnetic compass.
In the construction for monitoring net under water, seabed leader cable laying can be carried out first with autonomous underwater vehicle (UUV), reused
Underwater remote-control submersible (ROV) installs vector hydrophone to corresponding probe node, and is responsible for the maintenance work in later stage.
Embodiment provided above is the better embodiment of the present invention, only illustrates the present invention for convenient, not to this hair
It is bright to make any formal limitation, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and
Without departing from the technical characteristic content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (6)
1. a kind of vector sensor unit for underwater surveillance net, it is characterised in that：Including the arrow measured for underwater sound signal
Measure hydrophone (1), the vector wave detector (2) and signal processing module (3) that are measured for seismic signal, the vector hydrophone
And input of the vector wave detector (2) with signal processing module (3) is connected, the output end of the signal processing module (3) (1)
Plug into box (5).
2. the vector sensor unit according to claim 1 for underwater surveillance net, it is characterised in that：Multiple arrows
The signal processing module (3) of quantity sensor unit constitutes link network by leader cable (4), through each signal processing module (3) place
The signal managed is transferred to box of plugging into (5) by leader cable (4), and last layer network is transferred data to by box of plugging into (5).
3. the vector sensor unit according to claim 1 for underwater surveillance net, it is characterised in that：The vector water
Device (1) is listened to irrigate into a neutral positive buoyancy spheroid (11) using epoxy resin, eight pressure hydrophones (12) uniformly inlay ball
Body surface face, six symmetrically placed spheroid geometric centers of piezoelectric accelerometer (13) pairwise orthogonal simultaneously utilize installation pedestal in mutual alignment
(14) correction is fixed, and pre-amplification circuit (15) and integrated magnetic compass sensor are located at ball interior position on the upper side, output signal
Exported by flexible compound cable (16).
4. the vector sensor unit according to claim 1 for underwater surveillance net, it is characterised in that：The vector inspection
Ripple device (2) and signal processing module (3) are installed in watertight box (21) using the vulcanization of rubber, are integrated into one of leader cable (4)
Point；Vector wave detector (2) is contacted with seabed, is listened and is constituted with three capacitance accelerometers (26) by an acoustic pressure water；Vector detection
The head of device (2) is sound transmitting rubber cover (22), and inside is provided with piezoelectric element (23) and piezoelectric element pedestal (25), piezoelectric element
(23) electric signal produced accesses signal processing module (3) by twisted-pair feeder (24)；Three capacitance accelerometers (26) are mutually just
It is fixed in installation pedestal (28) with handing over, signal accesses signal processing module (3) by signal wire (27).
5. the vector sensor unit according to claim 1 or 2 for underwater surveillance net, it is characterised in that：Described
Vector hydrophone (1) realizes flexible suspension using single flexible compound cable (16).
6. the vector sensor unit for underwater surveillance net according to claim 1 or 3, it is characterised in that：Described
The other end for the flexible compound cable (16) that vector hydrophone (1) is used is underwater electrical connector (17), and plug wet under water can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432521.8A CN107202632A (en) | 2017-06-09 | 2017-06-09 | Vector sensor unit for underwater surveillance net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710432521.8A CN107202632A (en) | 2017-06-09 | 2017-06-09 | Vector sensor unit for underwater surveillance net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202632A true CN107202632A (en) | 2017-09-26 |
Family
ID=59908248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710432521.8A Pending CN107202632A (en) | 2017-06-09 | 2017-06-09 | Vector sensor unit for underwater surveillance net |
Country Status (1)
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687890A (en) * | 2017-10-20 | 2018-02-13 | 中国计量大学 | Vector microphone with horn structure |
| CN107843917A (en) * | 2017-12-04 | 2018-03-27 | 美钻石油钻采***(上海)有限公司 | A kind of underwater kit antishock device |
| CN108020828A (en) * | 2017-12-27 | 2018-05-11 | 长沙深之瞳信息科技有限公司 | The mounting structure of the single primitive optical fiber vector hydrophone underwater acoustic detection system of miniaturization |
| CN108563176A (en) * | 2018-07-04 | 2018-09-21 | 哈尔滨工业大学 | A kind of buoy micro-system for marine exploration |
| CN109462444A (en) * | 2018-12-05 | 2019-03-12 | 上海交通大学 | A kind of seabed ground sound communication device, system and installation method |
| CN109633546A (en) * | 2018-12-18 | 2019-04-16 | 中国电子科技集团公司第四十九研究所 | A kind of encryption information cluster formula high-fidelity naval target detection device |
| CN109781382A (en) * | 2019-01-30 | 2019-05-21 | 杭州电子科技大学 | It is a kind of to there is cable subsurface buoy internal wave of ocean to monitor system based on vector sensor |
| CN109798878A (en) * | 2019-01-30 | 2019-05-24 | 杭州电子科技大学 | Wave monitor in a kind of float type marine based on vector sensor |
| CN109813416A (en) * | 2019-02-19 | 2019-05-28 | 中国人民解放军海军潜艇学院 | A kind of big depth synchronous vibration type vector hydrophone |
| CN112083428A (en) * | 2020-09-02 | 2020-12-15 | 杭州电子科技大学 | Marine internal wave early warning monitoring method based on acoustic vector field processing |
| CN112146703A (en) * | 2020-09-21 | 2020-12-29 | 中国电子科技集团公司第三研究所 | Temperature, pressure and acoustic integrated MEMS (micro-electromechanical systems) underwater sensor and system |
| CN114777907A (en) * | 2022-04-02 | 2022-07-22 | 中国科学院声学研究所 | Near-zero buoyancy hydrophone for underwater mobile platform and system thereof |
| CN115127660A (en) * | 2022-06-23 | 2022-09-30 | 哈尔滨工程大学 | Bottom-sitting type vector sensor for receiving underwater acoustic signals |
| CN115236742A (en) * | 2022-06-30 | 2022-10-25 | 哈尔滨工程大学 | Ice layer acoustic signal pickup device |
| IT202200004850A1 (en) * | 2022-03-14 | 2023-09-14 | Cosmo Carmisciano | Device and method for detecting underwater units |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687890A (en) * | 2017-10-20 | 2018-02-13 | 中国计量大学 | Vector microphone with horn structure |
| CN107843917A (en) * | 2017-12-04 | 2018-03-27 | 美钻石油钻采***(上海)有限公司 | A kind of underwater kit antishock device |
| CN108020828A (en) * | 2017-12-27 | 2018-05-11 | 长沙深之瞳信息科技有限公司 | The mounting structure of the single primitive optical fiber vector hydrophone underwater acoustic detection system of miniaturization |
| CN108563176A (en) * | 2018-07-04 | 2018-09-21 | 哈尔滨工业大学 | A kind of buoy micro-system for marine exploration |
| CN109462444B (en) * | 2018-12-05 | 2020-05-12 | 上海交通大学 | Submarine earth sound communication device, system and installation method |
| CN109462444A (en) * | 2018-12-05 | 2019-03-12 | 上海交通大学 | A kind of seabed ground sound communication device, system and installation method |
| CN109633546A (en) * | 2018-12-18 | 2019-04-16 | 中国电子科技集团公司第四十九研究所 | A kind of encryption information cluster formula high-fidelity naval target detection device |
| CN109781382A (en) * | 2019-01-30 | 2019-05-21 | 杭州电子科技大学 | It is a kind of to there is cable subsurface buoy internal wave of ocean to monitor system based on vector sensor |
| CN109798878A (en) * | 2019-01-30 | 2019-05-24 | 杭州电子科技大学 | Wave monitor in a kind of float type marine based on vector sensor |
| CN109813416A (en) * | 2019-02-19 | 2019-05-28 | 中国人民解放军海军潜艇学院 | A kind of big depth synchronous vibration type vector hydrophone |
| CN112083428A (en) * | 2020-09-02 | 2020-12-15 | 杭州电子科技大学 | Marine internal wave early warning monitoring method based on acoustic vector field processing |
| CN112083428B (en) * | 2020-09-02 | 2023-12-01 | 杭州电子科技大学 | Ocean internal wave early warning and monitoring method based on acoustic vector field processing |
| CN112146703A (en) * | 2020-09-21 | 2020-12-29 | 中国电子科技集团公司第三研究所 | Temperature, pressure and acoustic integrated MEMS (micro-electromechanical systems) underwater sensor and system |
| CN112146703B (en) * | 2020-09-21 | 2022-08-16 | 中国电子科技集团公司第三研究所 | Temperature, pressure and acoustic integrated MEMS (micro-electromechanical systems) underwater sensor and system |
| IT202200004850A1 (en) * | 2022-03-14 | 2023-09-14 | Cosmo Carmisciano | Device and method for detecting underwater units |
| CN114777907A (en) * | 2022-04-02 | 2022-07-22 | 中国科学院声学研究所 | Near-zero buoyancy hydrophone for underwater mobile platform and system thereof |
| CN115127660A (en) * | 2022-06-23 | 2022-09-30 | 哈尔滨工程大学 | Bottom-sitting type vector sensor for receiving underwater acoustic signals |
| CN115236742A (en) * | 2022-06-30 | 2022-10-25 | 哈尔滨工程大学 | Ice layer acoustic signal pickup device |
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