CN108271721B - Cruising type purse net fish school distribution detection device and purse net culture device - Google Patents
Cruising type purse net fish school distribution detection device and purse net culture device Download PDFInfo
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- CN108271721B CN108271721B CN201810011897.6A CN201810011897A CN108271721B CN 108271721 B CN108271721 B CN 108271721B CN 201810011897 A CN201810011897 A CN 201810011897A CN 108271721 B CN108271721 B CN 108271721B
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000007667 floating Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 238000009395 breeding Methods 0.000 claims description 14
- 230000001488 breeding effect Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000012258 culturing Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000009360 aquaculture Methods 0.000 description 6
- 244000144974 aquaculture Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Means For Catching Fish (AREA)
Abstract
The invention discloses a cruising type purse net fish school distribution detection device and a purse net culture device, and aims to provide a detection device capable of effectively detecting the fish school distribution condition of each part in the purse net culture device. Formula purse seine fish school distributes detection device cruises, includes: an annular limiting and blocking floating ring floating on the water surface; the floating cylinder floats on the water surface and is positioned in the annular limiting and blocking floating ring, the outer side surface of the floating cylinder is provided with a plurality of suspension springs which are uniformly distributed in the circumferential direction, and the suspension springs extend along the radial direction of the floating cylinder; a cruising driver for driving the buoy to move on the water surface; and a detection device located below the buoy. The purse seine culture device comprises a cruising type purse seine fish school distribution detection device, a culture purse seine, a first sinking purse seine sinker device and a second sinking purse seine sinker device.
Description
Technical Field
The invention relates to the field of purse seine culture, in particular to a cruising type purse seine fish school distribution detection device and a purse seine culture device.
Background
At present, the marine culture mainly focuses on cage culture, raft culture and purse net culture, wherein shallow sea large-scale purse net culture is the expansion of traditional near shore beach purse net culture to the open sea deep water sea area, but the structure of the shallow sea large-scale purse net culture is obviously different from that of the traditional near shore beach purse net engineering, and the shallow sea large-scale purse net culture is one of the important forms of future marine culture.
The large purse net culture device generally comprises a culture purse net, floaters arranged on an upper net line of the culture purse net, sinkers arranged on a lower net line of the culture purse net, seabed piles or anchors, auxiliary facilities of the seabed piles or anchors and the like.
The fish school distribution situation in the purse net cultivation is usually detected through a fish school distribution detector, but the fish school distribution detector applied in the purse net cultivation at present is usually fixed on a certain position of the purse net cultivation device, and the fish school distribution detector fixedly arranged in the purse net cultivation is usually difficult to effectively detect the fish school distribution situation of each part in the purse net cultivation due to the large purse net cultivation range.
On the other hand, in order to ensure that the fishes in the cultivation purse net of the large purse net cultivation device cannot drill out from the net bottom, the lower net line of the cultivation purse net is attached to the seabed surface through the sinker, but the seabed surface is uneven, so that the lower net line of the cultivation purse net is difficult to be well attached to the seabed surface, and particularly when the seabed surface is provided with a protrusion with a hollow structure, a through passageway is formed between the lower net line of the cultivation purse net and the seabed surface, so that the fishes in the cultivation purse net can drill out from the net bottom, and loss is caused.
Disclosure of Invention
The first purpose of the invention is to provide a cruising type purse net fish school distribution detection device, which can effectively detect the fish school distribution situation of each part in the purse net culture device.
The second purpose of the invention is to provide the purse net culture device which can effectively ensure that the lower net line of the culture purse net is attached to the surface of the seabed, and avoid the problem that fishes in the culture purse net are drilled out from the net bottom.
The technical scheme of the invention is as follows:
a cruising type purse seine fish school distribution detection device comprises: an annular limiting and blocking floating ring floating on the water surface; the floating cylinder floats on the water surface and is positioned in the annular limiting and blocking floating ring, the outer side surface of the floating cylinder is provided with a plurality of suspension springs which are uniformly distributed in the circumferential direction, and the suspension springs extend along the radial direction of the floating cylinder; a cruising driver for driving the buoy to move on the water surface; and the detection device is positioned below the buoy and comprises a transparent box body with a closed inner cavity and a fish school distribution detector arranged in the transparent box body.
The formula purse seine shoal of cruising of this scheme distributes detection device can effectually detect the shoal of fish distribution condition of each position in the purse seine breeding device.
Preferably, the cruising driver comprises a horizontal flow guide sleeve arranged on the lower end surface of the buoy and an underwater propeller arranged in the horizontal flow guide sleeve.
Preferably, the suspension spring is horizontally disposed.
The utility model provides a purse seine breeding device, includes breeds the purse seine, breeds the purse seine and includes net head line, net head line down and be located net clothing between net head line and the net head line down, still includes the formula purse seine fish school detection device that cruises, and formula purse seine fish school distribution detection device that cruises includes: the annular limiting and blocking floating ring floats on the water surface, is positioned in the cultivation purse net, is connected with the upper net rope and extends along the upper net rope; the floating cylinder floats on the water surface and is positioned in the annular limiting and blocking floating ring, the outer side surface of the floating cylinder is provided with a plurality of suspension springs which are uniformly distributed in the circumferential direction, and the suspension springs extend along the radial direction of the floating cylinder; a cruising driver for driving the buoy to move on the water surface; and the detection device is positioned below the buoy and comprises a transparent box body with a closed inner cavity and a fish school distribution detector arranged in the transparent box body.
Preferably, the first-path sinking purse net sinking device comprises a first iron chain which is arranged on the lower net line and extends along the lower net line; the second sinking purse seine sinker device comprises a plurality of air bags, a water pressure trigger exhaust valve arranged on the strip-shaped air bags, a strip-shaped connecting net positioned on the inner side of the breeding purse seine, a second iron chain arranged on the strip-shaped connecting net and a plurality of distance control rods distributed in sequence along the length direction of the first iron chain, wherein the strip-shaped connecting net comprises a first net head line extending along the length direction of the lower net head line, a second net head line extending along the length direction of the lower net head line and a connecting net sheet connecting the first net head line and the second net head line, the first net head line is connected with the lower net head line, the second iron chain extends along the length direction of the lower net head line, the distance control rods are positioned on the inner side of the breeding purse seine, one end of each distance control rod is hinged on the first iron chain or connected with the first iron chain through a connecting rope, and the other end of each distance control rod is connected with the second net head line; the air bags are connected with the second net rope and are distributed along the second net rope at equal intervals.
The lower net head of the culture purse net can be effectively attached to the surface of the seabed by the structure, and the problem that fishes in the culture purse net are drilled out from the net bottom is avoided.
Preferably, the water pressure triggering exhaust valve comprises a main cylinder body and a valve sleeve which are positioned on the outer side of the air bag, an exhaust pipe which is used for connecting the inner cavity of the main cylinder body with the inner cavity of the air bag, a cylinder piston which is arranged in the main cylinder body in a sliding manner and a valve sleeve piston which is arranged in the valve sleeve in a sliding manner, the exhaust pipe is connected with the air bag in a sealing manner, the inner diameter of the main cylinder body is larger than that of the valve sleeve, a communication hole is formed in the first end of the main cylinder body, the second end of the main cylinder body is communicated with one end of the valve sleeve, and a pre-; when the cylinder piston abuts on the first end of the main cylinder: the exhaust pipe is located between the cylinder piston and the second end of the main cylinder.
As preferred, be equipped with annular stopper in the main cylinder body, the cylinder body piston is located between the first end of annular stopper and main cylinder body, when the cylinder body piston supports on annular stopper: the exhaust pipe is located between the cylinder piston and the first end of the main cylinder.
The invention has the beneficial effects that:
firstly, the fish school distribution condition of each position in the purse net breeding device can be effectively detected.
Secondly, the lower net head of the cultivation purse net can be effectively ensured to be attached to the surface of the seabed, and the problem that fishes in the cultivation purse net are drilled out from the net bottom is avoided.
Drawings
Fig. 1 is a plan view of a cruising type seine fish school distribution detection apparatus according to embodiment 1 of the present invention.
Fig. 2 is a schematic view of a partial cross-sectional structure at a-a in fig. 1.
Fig. 3 is a schematic structural diagram of a cruising type seine fish school distribution detection device applied to a seine culture device in embodiment 1 of the invention.
Fig. 4 is a schematic structural view of the seine-culturing apparatus of embodiment 2 of the present invention before sinking to the seabed.
Fig. 5 is a partially enlarged view at B in fig. 4.
Fig. 6 is a schematic structural diagram of the purse net culture device of embodiment 2 of the invention after sinking to the seabed.
In the figure:
an annular restriction barrier float ring 1 a;
a float bowl 2 a;
a suspension spring 3 a;
a horizontal flow guide sleeve 4 a;
an underwater propeller 5 a;
a transparent case 6 a;
a fish school distribution detector 7 a;
1, a breeding purse seine 1, 1.1 of an upper net line, 1.2 of a netting and 1.3 of a lower net line;
a first iron chain 2;
the second sinking bottom purse net sinker device 3 comprises a strip-shaped connecting net 3.1, a first net 3.11, a second net 3.12, a connecting net 3.13, a second iron chain 3.2, a distance control rod 3.3, a water pressure trigger exhaust valve 3.4, a main cylinder 3.41, a cylinder piston 3.42, a communication hole 3.43, an exhaust pipe 3.44, a valve sleeve 3.45, a valve sleeve piston 3.46, a pre-tightening compression spring 3.47, an annular limiting block 3.48 and an airbag 3.5.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
example 1: as shown in fig. 1, a cruising type seine fish school distribution detecting device includes: the ring-shaped restriction floating on the water surface blocks the floating ring 1a, the buoy 2a, a cruise drive for driving the buoy to move on the water surface, and a detection device located below the buoy.
The buoy floats on the water surface and is positioned in the annular limiting and blocking floating ring. The cross section of the buoy is circular. The outer side surface of the float bowl is provided with a plurality of suspension springs 3a which are uniformly distributed in the circumferential direction, and the suspension springs extend along the radial direction of the float bowl. The suspension spring is horizontally arranged.
As shown in fig. 2, the cruising driver includes a horizontal flow guide sleeve 4a disposed on the lower end surface of the pontoon, and an underwater propeller 5a disposed in the horizontal flow guide sleeve.
The detection device comprises a transparent box body 6a with a closed inner cavity and a fish school distribution detector 7a arranged in the transparent box body.
As shown in fig. 3, the cruising type seine fish school distribution detection device of the embodiment is specifically used in the seine culture device as follows:
the cultivation purse seine 1 of the purse seine cultivation device comprises an upper net line 1.1, a lower net line and a netting 1.2 positioned between the upper net line and the lower net line.
The annular limiting and blocking floating ring is positioned in the breeding purse net and is connected with the upper net rope, and the annular limiting and blocking floating ring extends along the upper net rope;
it distributes detection device and removes on the surface of water of aquaculture purse seine to drive formula purse seine fish school through underwater propulsor, is close to the net head line of aquaculture purse seine when the flotation pontoon to block when floating ring through suspension spring striking annular restriction, formula purse seine fish school distributes detection device and will rotate cruising in the effect of suspension spring, thereby change formula purse seine fish school and distribute detection device's moving direction cruises, make formula purse seine fish school distribute detection device and make unordered removal on the surface of water of aquaculture purse seine, thereby detect the fish school distribution condition that detects each position in the purse seine culture device.
Example 2: as shown in fig. 4, a seine aquaculture device includes a cruising seine fish school distribution detection device, an aquaculture seine 1, a first bottom sinking seine sinker device and a second bottom sinking seine sinker device 3.
The cultivation purse seine comprises an upper net line 1.1, a lower net line 1.3, a netting 1.2 positioned between the upper net line and the lower net line and a buoyancy device connected with the upper net line.
Referring to embodiment 1, the annular restriction blocking floating ring of the cruising type purse net fish school distribution detection device is located in the breeding purse net, the annular restriction blocking floating ring is connected with the net head line, and the annular restriction blocking floating ring extends along the net head line.
The first path sinking bottom purse net sinker device comprises a first iron chain 2 which is arranged on the lower net line and extends along the lower net line.
The second sinking purse seine sinker device comprises a plurality of air bags 3.5, a water pressure trigger exhaust valve 3.4 arranged on the air bags, a strip-shaped connecting net 3.1 positioned on the inner side of the breeding purse seine, a second iron chain 3.2 arranged on the strip-shaped connecting net and a plurality of distance control rods 3.3 which are sequentially distributed at equal intervals along the length direction of the first iron chain.
The elongated connecting net comprises a first net 3.11 extending along the length direction of the lower net, a second net 3.12 extending along the length direction of the lower net and a connecting net piece 3.13 connecting the first net and the second net. The first net headrope is connected with the lower net headrope.
The second iron chain is arranged on the connecting net piece. The second iron chain extends along the length direction of the lower net line, and the second iron chain is close to the second net line.
The length of the distance control rod is 2-3 meters, and the length of the distance control rod in the embodiment is 2.6 meters. The distance control rod is positioned at the inner side of the culture purse net. One end of the distance control rod is hinged on the first iron chain or is connected with the first iron chain through a connecting rope. The other end of the distance control rod is connected with the second net rope.
As shown in fig. 4 and 5, the airbag is connected to the second net, and the airbag is connected to the second net through a connecting line. The air bags are distributed at equal intervals along the second net line. The sum of the buoyancy of each air bag is larger than the gravity of the second sinking purse net sinker device.
The water pressure triggering exhaust valve comprises a main cylinder body 3.41 and a valve sleeve 3.45 which are positioned outside the air bag, an exhaust pipe 3.44 which connects the inner cavity of the main cylinder body and the inner cavity of the air bag, a cylinder piston 3.42 which is arranged in the main cylinder body in a sliding way and a valve sleeve piston 3.46 which is arranged in the valve sleeve in a sliding way. The exhaust pipe is connected with the air bag in a sealing way. The inner diameter of the main cylinder body is larger than that of the valve sleeve. The first end of the main cylinder is provided with a communication hole 3.43. The second end of the main cylinder body is communicated with one end of the valve sleeve. A pre-tightening compression spring 3.47 is arranged in the main cylinder body and between the cylinder piston and the second end of the main cylinder body. An annular limiting block 3.48 is arranged in the main cylinder body, and the cylinder body piston is positioned between the annular limiting block and the first end of the main cylinder body.
When the cylinder piston abuts on the first end of the main cylinder: the exhaust pipe is located between the cylinder piston and the second end of the main cylinder.
When the cylinder body piston is abutted to the annular limiting block: the exhaust pipe is located between the cylinder piston and the first end of the main cylinder.
During sinking of the breeding seine (before sinking to the seabed):
as shown in fig. 4, the breeding purse net sinks under the action of the first iron chain;
the second iron chain and the strip-shaped connecting net float upwards under the buoyancy action of the air bag and are pulled by the distance control rod;
when the first iron chain is close to the seabed, the inner diameter of the main cylinder body is larger than that of the valve sleeve, so that under the action of the water pressure of external seawater, the acting force of the pre-tightening compression spring is overcome, the cylinder body piston moves towards the second end of the main cylinder body until the cylinder body piston abuts against the annular limiting block, and at the moment, the gas in the air bag is gradually discharged through the exhaust pipe, the main cylinder body and the communicating hole.
As shown in fig. 6, after the first iron chain sinks to the seabed, since the first iron chain is a continuous iron chain and can be attached according to the surface of the seabed, the lower net line of the cultivation purse net can be attached to the surface of the seabed, and the problem that fish in the cultivation purse net drills out from the net bottom is avoided;
more importantly: when the first iron chain sinks to the seabed, the gas in the air bag is gradually discharged, and when the gas in the air bag is discharged to a certain degree, the second iron chain sinks under the action of gravity; in the sinking process of the second iron chain, the distance control rod drives the air bag and the second iron chain to rotate downwards in the direction far away from the first iron chain around the first iron chain, so that when the second iron chain sinks to the seabed and is attached to the surface of the seabed, the second iron chain not only can be matched with the strip-shaped connecting net piece to form another blocking line from inside to outside on the surface of the seabed on the inner side of the aquaculture purse net; and can guarantee to have sufficient interval (interval between second iron chain and the first iron chain will be by the length control of distance control pole length) between second iron chain and the first iron chain, if first iron chain subsides when the seabed has hollow out construction's arch or other protruding structures like this, can make the second iron chain can stride across these protruding structures, make these protruding structures be located between second iron chain and the first iron chain (these protruding structures are covered by rectangular shape connecting net), thereby further effectively avoid breeding and will form the passageway of crossing between the bottom of purse seine and the seabed surface, effectively avoid the problem that the fish that breeds in the purse seine drilled out from the net bottom.
Claims (4)
1. A purse seine culture device comprises a culture purse seine, the culture purse seine comprises an upper net head line, a lower net head line and a net arranged between the upper net head line and the lower net head line, and is characterized by also comprising a cruising type purse seine fish group distribution detection device,
cruising formula purse seine shoal distribution detection device includes:
the annular limiting and blocking floating ring floats on the water surface, is positioned in the cultivation purse net and is connected with the upper net rope;
the floating cylinder floats on the water surface and is positioned in the annular limiting and blocking floating ring, the outer side surface of the floating cylinder is provided with a plurality of suspension springs which are uniformly distributed in the circumferential direction, and the suspension springs extend along the radial direction of the floating cylinder;
a cruising driver for driving the buoy to move on the water surface; and
the detection device is positioned below the buoy and comprises a transparent box body with a closed inner cavity and a fish school distribution detector arranged in the transparent box body.
2. The purse net culture device of claim 1, further comprising a first net sinker device, the first net sinker device comprising a first iron chain disposed on and extending along the lower net; and
a second sinking purse seine sinker device which comprises a plurality of air bags, a water pressure trigger exhaust valve arranged on the air bags, a strip-shaped connecting net positioned at the inner side of the breeding purse seine, a second iron chain arranged on the strip-shaped connecting net and a plurality of distance control rods which are sequentially distributed along the length direction of the first iron chain,
the strip-shaped connecting net comprises a first net line extending along the length direction of the lower net line, a second net line extending along the length direction of the lower net line and a connecting net piece connecting the first net line and the second net line, the first net line is connected with the lower net line, the second iron chain extends along the length direction of the lower net line,
the distance control rod is positioned on the inner side of the breeding purse net, one end of the distance control rod is hinged to the first iron chain or is connected with the first iron chain through a connecting rope, and the other end of the distance control rod is connected with the second net head line;
the air bags are connected with the second net rope and are distributed along the second net rope at equal intervals.
3. The purse net culture device of claim 2, wherein the water pressure triggered exhaust valve comprises a main cylinder body and a valve sleeve which are positioned outside the air bag, an exhaust pipe which connects the inner cavity of the main cylinder body with the inner cavity of the air bag, a cylinder piston which is slidably arranged in the main cylinder body and a valve sleeve piston which is slidably arranged in the valve sleeve, the exhaust pipe is hermetically connected with the air bag, the inner diameter of the main cylinder body is larger than that of the valve sleeve, a communication hole is formed in the first end of the main cylinder body, the second end of the main cylinder body is communicated with one end of the valve sleeve, and a pre-tightening compression spring is arranged in the main cylinder body and between the cylinder piston and the second end;
the exhaust pipe is located between the cylinder piston and the second end of the main cylinder when the cylinder piston abuts against the first end of the main cylinder.
4. The seine-culturing apparatus according to claim 3 wherein the main cylinder has an annular stopper therein, the cylinder piston is positioned between the annular stopper and the first end of the main cylinder, and the exhaust pipe is positioned between the cylinder piston and the first end of the main cylinder when the cylinder piston abuts the annular stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011897.6A CN108271721B (en) | 2018-01-05 | 2018-01-05 | Cruising type purse net fish school distribution detection device and purse net culture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011897.6A CN108271721B (en) | 2018-01-05 | 2018-01-05 | Cruising type purse net fish school distribution detection device and purse net culture device |
Publications (2)
| Publication Number | Publication Date |
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| CN108271721A CN108271721A (en) | 2018-07-13 |
| CN108271721B true CN108271721B (en) | 2021-02-02 |
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| CN201810011897.6A Active CN108271721B (en) | 2018-01-05 | 2018-01-05 | Cruising type purse net fish school distribution detection device and purse net culture device |
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| CN111387114B (en) * | 2020-03-04 | 2021-08-24 | 宁波大学科学技术学院 | Submarine system of deep water aquaculture facility |
| CN112514837B (en) * | 2020-11-24 | 2022-12-13 | 浙江省海洋水产研究所 | Surrounding net type marine artificial fish reef net building structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7554884B2 (en) * | 2005-11-04 | 2009-06-30 | Kyo-Yang Park | Simplicity sonic depth finder for fishing |
| EP1983190A1 (en) * | 2007-04-18 | 2008-10-22 | Technology for Ideas | Damper and damping structure for a wave energy conversion device |
| CN203788934U (en) * | 2014-02-26 | 2014-08-27 | 浙江海洋学院 | Marine organism grabbing device |
| CN205620551U (en) * | 2016-04-13 | 2016-10-05 | 福建南安市绿地农业科技有限公司 | Fresh water shoal of fish check out test set |
| CN106443686A (en) * | 2016-10-20 | 2017-02-22 | 上海海洋大学 | Sonar fish shoal detection system |
| CN106577429A (en) * | 2016-12-15 | 2017-04-26 | 浙江海洋大学 | Horizontal suspended-cable large-scale shallow sea purse net |
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Denomination of invention: The utility model relates to a cruising purse seine fish distribution detection device and a purse seine culture device Effective date of registration: 20211111 Granted publication date: 20210202 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Zhoushan Putuo small and micro enterprise franchise sub branch Pledgor: Zhoushan Tianmu Aquatic Technology Co.,Ltd. Registration number: Y2021330002197 |