CN104071305B - Tuna tracking float acoustic anti-theft device - Google Patents
Tuna tracking float acoustic anti-theft device Download PDFInfo
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- CN104071305B CN104071305B CN201410328305.5A CN201410328305A CN104071305B CN 104071305 B CN104071305 B CN 104071305B CN 201410328305 A CN201410328305 A CN 201410328305A CN 104071305 B CN104071305 B CN 104071305B
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- buoy
- theft device
- tuna
- signal
- tracking
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- 238000000605 extraction Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000003909 pattern recognition Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The invention discloses a tuna tracking float acoustic anti-theft device. A tracking float is used for fixing driftwood used for tuna seine catching. The tracking float is a satellite tracking floating float, and is composed of a satellite transceiver, a GPS, a fathometer used for probing fish schools, a temperature sensor, a magnetic switch, a solar cell panel and or a storage battery and a solid shell. The acoustic anti-theft device is arranged in the tracking float and is provided with a hydrophone used for monitoring noise under water, the output end of the hydrophone is sequentially connected with a signal amplifier, a band-pass filter, an A/D converter and a DSP micro processor, and the DSP micro processor carries out feature extraction and goal recognition on the noise under water according to a stored underwater noise sound feature library and a mode recognition library of a conventional ship engine.
Description
Technical field
The invention belongs to sea fishery technical field, follow the tracks of buoy acoustics anti-theft device particularly to a kind of tuna.
Background technology
With the day by day raising of modern society's living standard, the mankind increasingly pay attention to health, and tuna is as one
Plant nutrition, the aquatic food of health enjoys favor.Different waters, the fishing style of variety classes tuna are not quite similar, and utilize
Driftwood attracting purse seine fishing is one of tuna fishing operation mode, and principle is to fix buoy with driftwood, and buoy timing is passed through
Satellite sends the related letter such as the position at driftwood place, fishing feelings, utc time, temperature, electricity to operation ship or catch control center
Breath, so that operation ship or catch control center determine whether to be worth carrying out fishing operation.It can be seen that buoy is tuna seine fishing for
The key equipment of operating type, the buoy due to using both at home and abroad at present does not all have effective anti-theft device, stolen and loss
Situation happens occasionally, and result not only causes float device economic loss it is important that operation ship or catch control center cannot be accurate
Really understand the more specific location information of buoy (driftwood), lead to not carry out effective fishing operation.Therefore how to ensure the peace of buoy
Complete work, be the premise that effective operation fished for by tuna seine, in order to prevent buoy stolen with run off it is necessary to a kind of row it
Effectively anti-theft technique device, improves accuracy and the effectiveness that tuna seine is fished for.
Content of the invention
It is an object of the invention to provide a kind of tuna follows the tracks of buoy acoustics anti-theft device, in preventing tuna seine from fishing for
Tracking buoy be tampered.
The technical scheme is that, a kind of tuna follows the tracks of buoy acoustics anti-theft device, described tracking buoy be used for
The driftwood that tuna seine is fished for is fixed,
Described tracking buoy is satellite tracked drifter, can be used for ocean surface kinetics as Lagrangian buoy,
Described buoy of following the tracks of is by satellite transceiver, gps, the echo depth sounder for detecting fish school, temperature sensor, magnetic
Switch, solar panel and/or accumulator and solid shell composition,
Described acoustics anti-theft device is placed in described tracking buoy, and described acoustics anti-theft device has hydrophone,
For monitoring underwater noise,
The output of described hydrophone is sequentially connected signal amplifier, band filter, a/d transducer and dsp microprocessor,
Described dsp microprocessor is according to noise sound feature database and pattern recognition storehouse under the normal shipboard engine water of storage under water
Noise carries out feature extraction and target recognition, when finding to have incoherent ship near tracking buoy, immediately passes through buoy
Itself satellite communication function sends alarm signal to operation ship or catch control center in time, is simultaneously emitted by chimes of doom.
Described buoy of following the tracks of is arranged in the inner space being formed by basin shape housing and arc transparent cover, described shell
Body carries out watertight process with the fixing position of described transparent cover with o shape sealing ring,
Housing inner bottom part center is provided with transducer, and housing bottom surrounding is bottom wooden pillar, wooden of bottom
Rechargeable battery is arranged on frame, control circuit board is located at the top of rechargeable battery, and top wooden pillar is by transparent cover and shell
The space of body separates,
Solar panel is located at sky formed below with transparent cover above the wooden pillar of top with signal transmitting and receiving module
Interior, described solar panel is fixed on the wooden pillar of top by multiple pillars,
The electronic device of the electronic device of described acoustics anti-theft device and tracking buoy is installed in described control circuit board
On.
Described dsp microprocessor is as follows for the signal processing step obtaining from hydrophone:
A1, initializes noise signal,
A2, obtains a feature from signal characteristic storehouse；
A3, obtains a pattern in from pattern storehouse；
A4, the feature according to obtaining in signal library carries out feature extraction to noise signal；
A5, carries out target recognition according to the pattern obtaining in library to the signal characteristic extracting；
A6, if it find that there being signal characteristic to be related, then sends alarm signal and terminates the judgement of this Noise Identification, no
Then turn execution step a3, traversal mode storehouse is terminated until library；
A7, turns execution step a2, and traversal feature database terminates until feature database.
The tuna tracking buoy acoustics anti-theft device pickup scope of the present invention is wide, discrimination is high, warning is timely.This is antitheft
Device can identify apart from the fishery vessel gasoline and diesel engine of 100 meters of buoy or propeller works when produce under water make an uproar
Sound, equipment adopts hydrophone technology, audio signal analysis treatment technology, Feature Extraction Technology, database technology (sound characteristic
Storehouse, pattern recognition storehouse), feature correlation treatment technology, communication alert technology etc., once finding there is uncorrelated ship near buoy
During attempted theft, immediately pass through buoy itself satellite communication function and send alarm signal to operation ship or catch control center in time
Number, it is simultaneously emitted by chimes of doom, operation ship or catch control center can understand such ship information by correlation technique, by correlation
International Maritime Organization (IMO) or direct communication and consultation solve, and are finally reached fishing feelings and follow the tracks of the antitheft effect of buoy.
Brief description
Fig. 1 is the theory diagram of the acoustics anti-theft device of the present invention.
Fig. 2 is the cut-away view of apparatus of the present invention.
Fig. 3 is noise signal process chart in the present invention.
Wherein, 1 buoy supports；2 bottom wooden pillars；3 pillars；4 o shape sealing rings；5 solaodes
Plate；6 transparent cover；7 signal transmitting and receiving modules；8 magnetic switch keys；9 control circuit boards；10 rechargeable batteries；
11 housings；12 hydrophone；13 transducers；14 top wooden pillars.
Specific embodiment
Tuna as shown in Figure 1 follows the tracks of buoy acoustics anti-theft device, and described tracking buoy is caught with for tuna seine
The driftwood dragging for is fixed, and described tracking buoy is satellite tracked drifter, can be used for ocean surface as Lagrangian buoy and move
Mechanics, described tracking buoy is opened by satellite transceiver, gps, the echo depth sounder for detecting fish school, temperature sensor, magnetic
Pass, solar panel and/or accumulator and solid shell composition, described acoustics anti-theft device is placed in described tracking buoy
Interior, described acoustics anti-theft device has hydrophone, for monitoring underwater noise.The output of described hydrophone is sequentially connected signal
Amplifier, band filter, a/d transducer and dsp microprocessor, described dsp microprocessor is according to the normal shipboard storing
Under engine water, noise sound feature database and pattern recognition storehouse carry out feature extraction and target recognition to underwater noise, once finding
There is incoherent ship near when following the tracks of buoy, immediately pass through buoy itself satellite communication function in time to operation ship or fish for control
Center processed sends alarm signal, is simultaneously emitted by chimes of doom.
Using band filter be due to conventional fishery vessel diesel engine and propeller signal frequency (300hz～
Between 8500hz), the bandpass range of therefore band filter is designed as 300hz～8500hz, and band filter filters off outside scope
Signal.
Dsp microprocessor is used for reading the data such as the digital signal after a/d changes, feature database, by software associated extraction
Signal characteristic, then pass through pattern recognition, it is determined whether need to send and see flow process Fig. 3 with warning.Power supply is used for buoy and works
When, fine sky is powered to buoy using solar energy and accumulator in buoy is charged, and overcast and rainy by accumulator, buoy is powered；Non-
With civil power, quick charge can be realized to buoy during work.
As shown in Fig. 2 follow the tracks of buoy being arranged in the inner space being formed by basin shape housing and arc transparent cover, institute
The fixing position stating housing with described transparent cover carries out watertight process with o shape sealing ring, and housing inner bottom part center is provided with to be changed
Energy device, housing bottom surrounding is bottom wooden pillar, arranges rechargeable battery on the wooden pillar of bottom, and control circuit board is located at
The top of rechargeable battery, the space of transparent cover and housing is separated by top wooden pillar, and solar panel is received with signal
Send out module to be located in space formed below with transparent cover above the wooden pillar of top, described solar panel passes through many
Individual pillar is fixed on the wooden pillar of top, the electronic device installing of the electronic device of described acoustics anti-theft device and tracking buoy
On described control circuit board.
As shown in figure 3, dsp microprocessor is as follows for the signal processing step obtaining from hydrophone:
A1, initializes noise signal,
A2, obtains a feature from signal characteristic storehouse；
A3, obtains a pattern in from pattern storehouse；
A4, the feature according to obtaining in signal library carries out feature extraction to noise signal；
A5, carries out target recognition according to the pattern obtaining in library to the signal characteristic extracting；
A6, if it find that there being signal characteristic to be related, then sends alarm signal and terminates the judgement of this Noise Identification, no
Then turn execution step a3, traversal mode storehouse is terminated until library；
A7, turns execution step a2, and traversal feature database terminates until feature database.
Claims (3)
1. a kind of tuna follows the tracks of buoy acoustics anti-theft device, and described tracking buoy is solid with the driftwood fished for for tuna seine
It is fixed,
Described tracking buoy is satellite tracked drifter, can be used for ocean surface kinetics as Lagrangian buoy,
Described buoy of following the tracks of is opened by satellite transceiver, gps, the echo depth sounder for detecting fish school, temperature sensor, magnetic
Pass, solar panel and/or accumulator and solid shell composition,
It is characterized in that, described acoustics anti-theft device is placed in described tracking buoy, and described acoustics anti-theft device has
Hydrophone, for monitoring underwater noise,
The output of described hydrophone is sequentially connected signal amplifier, high shear frequencies are 8500hz low sheraing frequency for 300hz
Band filter, a/d transducer and dsp microprocessor, described dsp microprocessor is according to the normal shipboard engine water storing
Lower noise sound feature database and pattern recognition storehouse carry out feature extraction and target recognition to underwater noise, once find have uncorrelated
Ship near follow the tracks of buoy when, immediately pass through buoy itself satellite communication function and send out to operation ship or catch control center in time
Send alarm signal, be simultaneously emitted by chimes of doom.
2. tuna as claimed in claim 1 follows the tracks of buoy acoustics anti-theft device it is characterised in that described tracking buoy quilt
It is arranged in the solid shell being formed by basin shape housing and arc transparent cover, the fixing position of described housing and described transparent cover
Carry out watertight process with o shape sealing ring,
Housing inner bottom part center is provided with transducer, and housing bottom surrounding is bottom wooden pillar, on the wooden pillar of bottom
Setting rechargeable battery, control circuit board is located at the top of rechargeable battery, and top wooden pillar is by transparent cover and housing
Space separates,
Solar panel and satellite transceiver are located in space formed below with transparent cover above the wooden pillar of top, institute
The solar panel stated is fixed on the wooden pillar of top by multiple pillars,
The electronic device of the electronic device of described acoustics anti-theft device and tracking buoy is installed on described control circuit board.
3. tuna as claimed in claim 2 follows the tracks of buoy acoustics anti-theft device it is characterised in that described dsp microprocessor
Device is as follows for the signal processing step obtaining from hydrophone:
A1, initializes noise signal,
A2, obtains a feature from signal characteristic storehouse；
A3, obtains a pattern in from pattern storehouse；
A4, the feature according to obtaining in signal library carries out feature extraction to noise signal；
A5, carries out target recognition according to the pattern obtaining in library to the signal characteristic extracting；
A6, if it find that there being signal characteristic to be related, then sends alarm signal and terminates the judgement of this Noise Identification, otherwise turn
Execution step a3, traversal mode storehouse is terminated until library；
A7, turns execution step a2, and traversal feature database terminates until feature database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328305.5A CN104071305B (en) | 2014-07-10 | 2014-07-10 | Tuna tracking float acoustic anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410328305.5A CN104071305B (en) | 2014-07-10 | 2014-07-10 | Tuna tracking float acoustic anti-theft device |
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| Publication Number | Publication Date |
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| CN104071305A CN104071305A (en) | 2014-10-01 |
| CN104071305B true CN104071305B (en) | 2017-01-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104698438B (en) * | 2015-03-10 | 2017-04-26 | 重庆交通大学 | Detection device and method of moving pebble in river |
| CN105571819B (en) * | 2015-12-11 | 2018-06-08 | 重庆交通大学 | For defeated voice acquisition system, harvester and its method for arranging for moving observation of boulder and cobble |
| CN107831507B (en) * | 2017-10-24 | 2020-05-15 | 中国水产科学研究院渔业机械仪器研究所 | Fishing situation tracking buoy satellite positioning anti-theft device |
| CN110233986A (en) * | 2019-03-18 | 2019-09-13 | 青岛海洋科学与技术国家实验室发展中心 | Buoy shooting control system and method |
| CN111204411B (en) * | 2020-01-18 | 2021-11-16 | 米脂县宇宝北斗农业发展有限公司 | Self-stabilizing satellite signal amplification buoy |
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| AUPO597497A0 (en) * | 1997-04-03 | 1997-05-01 | Fiomarine Investments Pty Ltd | Submersible and retrievable buoy |
| CN1190128C (en) * | 2002-04-28 | 2005-02-23 | 王铁流 | Remote controlled unlocking system for fishing sonar in sea |
| CN201179967Y (en) * | 2008-04-21 | 2009-01-14 | 中国水产科学研究院东海水产研究所 | Losing-proof device for trawl net underwater operation |
| CN202197670U (en) * | 2011-07-28 | 2012-04-25 | 上海海洋大学 | Artificial fish-aggregating device with improved tuna-clustering effect |
| KR101324267B1 (en) * | 2012-02-29 | 2013-11-01 | 안기주 | A anti-theft buoy |
| CN203497134U (en) * | 2013-09-24 | 2014-03-26 | 国家海洋局第二海洋研究所 | Ocean buoy |
| CN203623921U (en) * | 2013-12-10 | 2014-06-04 | 中国水产科学研究院东海水产研究所 | Small drifting type buoy for detecting water quality of inland rivers and lakes |
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