CN108924493B - Device and method for monitoring vertical distribution of marine fish eggs - Google Patents
Device and method for monitoring vertical distribution of marine fish eggs Download PDFInfo
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- CN108924493B CN108924493B CN201810745403.7A CN201810745403A CN108924493B CN 108924493 B CN108924493 B CN 108924493B CN 201810745403 A CN201810745403 A CN 201810745403A CN 108924493 B CN108924493 B CN 108924493B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- Ocean & Marine Engineering (AREA)
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Abstract
The invention discloses a device and a method for monitoring vertical distribution of marine fish eggs, and aims to provide a device and a method for monitoring vertical distribution of marine fish eggs, which can monitor the vertical distribution of marine fish eggs and effectively improve the effective monitoring area of floating fish eggs in water. The vertical distribution monitoring devices of ocean fish egg is including floating the floating frame on the sea surface, subside to the balancing weight in seabed, the floating frame of suspension in the sea water, the upper end opening of setting on the floating frame, the vertical pipeline is decided to the lower extreme confined, the slip sets up the upper and lower both ends open-ended in deciding vertical pipeline moves vertical pipeline, connect floating frame and move the upper end of vertical pipeline on connect the rope, be located the horizontal pole of deciding vertical pipeline below, connect the vertical connecting rod of horizontal pole and floating frame, connect the lower rope of connecting of horizontal pole and balancing weight, be located the extension spring of deciding vertical pipeline, the vertical suction tube of a plurality of vertical pipeline outsides of being located of monitor that sets up on deciding vertical pipeline's interior bottom surface.
Description
Technical Field
The invention relates to the field of ocean monitoring, in particular to a device for monitoring vertical distribution of ocean fish eggs.
Background
The fish spawning site is a water area for gathering, breeding and breeding fishes and shrimps and is one of the most important physical environmental factors of the fishes. The spawning sites of fishes and shrimps in the ocean are mostly near the mouth of a large river along the coast, for example, the famous Jiangsu Lubin fishery in China is a spawning site of large yellow croaker, small yellow croaker, pomfret, Chinese herring and the like; the Zhejiang boat fishing ground is a spawning ground for hairtail, large yellow croaker, cuttlefish and the like.
The monitoring of the spawning condition of the fishes is one of important means for researching the reproduction and breeding of the fishes and is also an important means for researching fishery resources in a sea area restoration area. One of the current monitoring devices for the spawning situation of fishes is to adopt a camera device or a photographing device to photograph/photograph under water, and to photograph/photograph the fish eggs drifting in the water to monitor fishery resources. The monitoring device is usually formed by fixedly installing a camera device or a photographing device under water to perform fixed-point photographing/photographing, and the photographing effective area is smaller, especially the photographing effective area is smaller in the area with poor seawater transparency.
Disclosure of Invention
The invention aims to provide a device and a method for monitoring the vertical distribution of marine fish eggs, which can monitor the vertical distribution of the marine fish eggs and effectively improve the effective monitoring area of the drifting fish eggs in water.
The technical scheme of the invention is as follows:
a device for monitoring the vertical distribution of marine fish eggs comprises a floating frame floating on the sea, a balancing weight settling to the sea bottom, a floating frame suspending in the sea, a fixed vertical pipeline with a closed lower end and an upper end arranged on the floating frame, a movable vertical pipeline with an upper end and a lower end arranged in the fixed vertical pipeline in a sliding manner, an upper connecting rope connecting the floating frame and the upper end of the movable vertical pipeline, a cross rod positioned below the fixed vertical pipeline, a vertical connecting rod connecting the cross rod and the floating frame, a lower connecting rope connecting the cross rod and the balancing weight, a tension spring positioned in the fixed vertical pipeline, a plurality of vertical suction pipes positioned outside the fixed vertical pipeline, a monitor arranged on the inner bottom surface of the fixed vertical pipeline, an inner connecting rod is arranged in the fixed vertical pipeline and below the movable vertical pipeline, the upper end of the tension spring is connected with the lower end of the movable vertical pipeline, and the lower end of the tension spring is connected with the inner connecting rod; a partition plate is arranged in the fixed vertical pipeline and between the inner connecting rod and the monitor, the partition plate divides an inner cavity of the fixed vertical pipeline into a plurality of observation channels extending up and down, the observation channels correspond to the vertical suction pipes one by one, and a first one-way valve is arranged in an opening at the lower end of the movable vertical pipeline; the upper ends of the vertical suction pipes are positioned at the same height, the upper ends of the vertical suction pipes are communicated with the corresponding observation channels through connecting pipes, the lower ends of the vertical suction pipes are positioned at different heights, the lower ends of the vertical suction pipes are provided with openings, and second one-way valves are arranged in the openings of the lower ends of the vertical suction pipes; the monitor comprises a transparent box body and a camera device arranged in the transparent box body, and a lens of the camera device is arranged upwards.
The vertical distribution monitoring devices of ocean roe of this scheme can carry out the monitoring of vertical distribution to ocean roe to effectively improve the effective monitoring area to aquatic drift roe.
Preferably, the number of the vertical suction pipes is four, and the cross section of the partition plate is X-shaped.
Preferably, the inner side surface of the fixed vertical pipeline is provided with a limiting block, the limiting block is positioned below the movable vertical pipeline, and the limiting block is positioned above the inner connecting rod.
Preferably, the vertical suction ducts are circumferentially equispaced around the vertical duct.
Preferably, the connecting pipe extends in a radial direction of the fixed vertical pipe.
The invention has the beneficial effects that: can carry out the monitoring of vertical distribution to the ocean roe to effectively improve the effective monitoring area to aquatic drift roe.
Drawings
Fig. 1 is a schematic structural diagram of the device for monitoring the vertical distribution of marine fish eggs.
Fig. 2 is a partial enlarged view of a portion a of fig. 1.
Fig. 3 is a cross-sectional view at B-B in fig. 2.
In the figure:
a floating frame 1;
suspension frame 2
A vertical pipeline 3, a limiting block 3.1 and an observation channel 3.2 are fixed;
a movable vertical pipeline 4 and a first one-way valve 4.1;
an upper connecting rope 5;
the vertical suction pipe 6 is connected with a pipe 6.1 and a second one-way valve 6.0;
a monitor 7, a transparent box 7.1 and a camera device 7.2;
a partition plate 8;
a tension spring 9;
a counterweight 10;
a cross bar 11;
a vertical connecting rod 12;
a lower connecting rope 13;
the inner connecting rod 14.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, a vertical distribution monitoring devices of ocean roe, including floating frame 1 that floats on the sea surface, subside to seabed's balancing weight 10, suspension 2 in the sea water, the upper end opening of setting on the floating frame, lower extreme confined decides vertical pipeline 3, slide the upper and lower both ends open-ended that sets up in deciding vertical pipeline and move vertical pipeline 4, connect floating frame and move the upper connection rope 5 of the upper end of vertical pipeline, be located and decide horizontal pole 11 of vertical pipeline below, connect horizontal pole and vertical connecting rod 12 of floating frame, connect the lower connection rope 13 of horizontal pole and balancing weight, be located and decide the extension spring 9 in the vertical pipeline, the vertical suction tube 6 that a plurality of being located and deciding the vertical pipeline outside of monitor 7 that sets up on deciding the interior bottom surface of vertical pipeline.
As shown in fig. 1 and 2, a first check valve 4.1 is arranged in the lower end opening of the movable vertical pipeline. The first one-way valve allows water in the fixed vertical pipeline to enter the movable vertical pipeline through the first one-way valve.
An inner connecting rod 14 is arranged in the fixed vertical pipeline and below the movable vertical pipeline. The tension spring is positioned between the movable vertical pipeline and the inner connecting rod. The upper end of extension spring is connected with the lower extreme that moves vertical pipeline, and the lower extreme of extension spring is connected with the internal link.
The inner side surface of the fixed vertical pipeline is provided with a limiting block 3.1. The limiting block is positioned below the movable vertical pipeline and above the connecting rod.
As shown in fig. 2 and 3, a partition plate 8 is arranged in the fixed vertical pipeline and between the inner connecting rod and the monitor. The partition board is vertically arranged. The cross section of the clapboard is X-shaped. The inner cavity of the fixed vertical pipeline is divided into four observation channels 3.2 extending up and down by the clapboard. The upper end and the lower end of the observation channel are opened.
The vertical suction pipes are four, and the vertical suction pipes are uniformly distributed around the circumference of the vertical pipe. The observation channels correspond to the vertical suction pipes one by one.
The upper end of each vertical suction tube is located same height, and the upper end of vertical suction tube is decided vertical pipeline through connecting pipe 6.1 and is linked together, specifically says so, the upper end of vertical suction tube is linked together through connecting pipe and the observation passageway that corresponds. The connecting pipe extends along the radial direction of the fixed vertical pipeline.
The lower ends of the vertical suction pipes are different in height, specifically, the lower end of a first vertical suction pipe in the four vertical suction pipes is lower than the lower end of a second vertical suction pipe, the lower end of the second vertical suction pipe is lower than the lower end of a third vertical suction pipe, and the lower end of the third vertical suction pipe is lower than the lower end of the fourth vertical suction pipe.
The lower end opening of vertical suction tube, and be equipped with second check valve 6.0 in the lower extreme opening of vertical suction tube. The first one-way valve allows the outside seawater to enter the vertical suction pipe through the second one-way valve.
The monitor is located below the partition. Including transparent box 7.1 and camera device 7.2 of setting in the transparent box, and camera device's camera lens sets up upwards. And a battery for providing a power supply for the camera device is also arranged in the transparent box body.
A method for monitoring the vertical distribution of marine fish eggs sequentially comprises the following steps:
firstly, as shown in fig. 1, a vertically distributed monitoring device for marine fish eggs is thrown into a designated sea area, wherein a floating frame floats on the sea surface, and a counterweight settles to the sea bottom;
shooting each observation channel through a camera device;
after the device for monitoring the vertical distribution of the marine fish eggs is thrown into a designated sea area, the floating frame continuously floats up and down by utilizing the fluctuation of sea waves;
in the floating process of the floating frame, the floating frame drives the movable vertical pipeline to move upwards together through the upper connecting rope, and in the moving process of the movable vertical pipeline, the first one-way valve prevents the water in the movable vertical pipeline from flowing downwards, so that the external seawater enters the corresponding observation channel through the second one-way valve, the vertical suction pipe and the connecting pipe;
in the process that the floating frame moves downwards, the movable vertical pipeline moves downwards and resets under the action of the corresponding tension springs, in the process, the first one-way valve is opened, the second one-way valve is closed, and the second one-way valve prevents seawater in the vertical suction pipe from being discharged through the second one-way valve;
therefore, in the process of floating the floating frame each time, a part of external seawater can enter the corresponding observation channel through the second one-way valve, the vertical suction pipe and the connecting pipe, so that the external seawater is continuously pumped into the observation channel at the lower part of the fixed vertical pipeline; so, camera device is through shooing the process to each observation passageway, can shoot the ocean roe of four different degree of depth positions, carry out the monitoring of vertical distribution to the ocean roe (the lower extreme of each vertical suction tube is located highly differently, specifically say, the lower extreme of the first vertical suction tube in four vertical suction tubes is located highly to be less than the lower extreme of the second vertical suction tube and is located highly, the lower extreme of the second vertical suction tube is located highly to be less than the lower extreme of the third vertical suction tube and is located highly to be less than the lower extreme of the fourth vertical suction tube), and in arriving the observation passageway of deciding vertical pipeline lower part through continuous seawater suction with external, can also effectively improve the effective monitoring area to aquatic drift roe.
Secondly, after a period of time (for example 3 weeks or 4 weeks), retrieve the perpendicular distribution monitoring devices of ocean roe, through the shooting process to each observation passageway, obtain the ocean roe of four different depth positions through camera device to carry out the monitoring of perpendicular distribution to ocean roe.
Claims (5)
1. A device for monitoring the vertical distribution of marine fish eggs is characterized by comprising a floating frame floating on the sea surface, a balancing weight settling to the sea bottom, a floating frame suspending in the sea water, a fixed vertical pipeline with an upper end opening and a lower end being closed, a movable vertical pipeline with an upper end opening and a lower end opening and arranged in the fixed vertical pipeline in a sliding manner, an upper connecting rope connecting the floating frame and the upper end of the movable vertical pipeline, a cross rod positioned below the fixed vertical pipeline, a vertical connecting rod connecting the cross rod and the floating frame, a lower connecting rope connecting the cross rod and the balancing weight, a tension spring positioned in the fixed vertical pipeline, a plurality of vertical suction pipes positioned outside the fixed vertical pipeline, a monitor arranged on the inner bottom surface of the fixed vertical pipeline,
an inner connecting rod is arranged in the fixed vertical pipeline and below the movable vertical pipeline, the upper end of the tension spring is connected with the lower end of the movable vertical pipeline, and the lower end of the tension spring is connected with the inner connecting rod;
a clapboard is arranged in the fixed vertical pipeline and between the inner connecting rod and the monitor, the clapboard divides the inner cavity of the fixed vertical pipeline into a plurality of observation channels extending up and down, the observation channels are in one-to-one correspondence with the vertical suction pipes,
a first one-way valve is arranged in an opening at the lower end of the movable vertical pipeline;
the upper ends of the vertical suction pipes are positioned at the same height, the upper ends of the vertical suction pipes are communicated with the corresponding observation channels through connecting pipes, the lower ends of the vertical suction pipes are positioned at different heights, the lower ends of the vertical suction pipes are provided with openings, and second one-way valves are arranged in the openings of the lower ends of the vertical suction pipes;
the monitor comprises a transparent box body and a camera device arranged in the transparent box body, and a lens of the camera device is arranged upwards.
2. The device as claimed in claim 1, wherein the number of said vertical suction pipes is four, and the cross section of said partition plate is X-shaped.
3. The device for monitoring the vertical distribution of marine fish eggs as claimed in claim 1, wherein the inner side surface of the vertical pipe is provided with a limiting block, the limiting block is positioned below the vertical pipe, and the limiting block is positioned above the inner connecting rod.
4. A device for monitoring the vertical distribution of eggs in a sea, as claimed in claim 1, 2 or 3, wherein said vertical suction pipes are circumferentially equispaced around said vertical pipes.
5. A device for monitoring the vertical distribution of eggs in a sea, according to claim 1, 2 or 3, wherein said connecting tubes extend in the radial direction of said vertical pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745403.7A CN108924493B (en) | 2018-07-09 | 2018-07-09 | Device and method for monitoring vertical distribution of marine fish eggs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745403.7A CN108924493B (en) | 2018-07-09 | 2018-07-09 | Device and method for monitoring vertical distribution of marine fish eggs |
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| CN108924493A CN108924493A (en) | 2018-11-30 |
| CN108924493B true CN108924493B (en) | 2020-10-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109644922B (en) * | 2018-12-06 | 2021-02-19 | 浙江省海洋水产研究所 | Floating type monitoring device for protective area of fish spawning site |
| CN109781726B (en) * | 2018-12-06 | 2021-02-19 | 浙江省海洋水产研究所 | Bottom-sinking type spawning site monitoring equipment |
| CN115158541B (en) * | 2022-08-04 | 2024-04-05 | 自然资源部第二海洋研究所 | Ocean mapping installation device and mapping method |
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| JP2010012396A (en) * | 2008-07-02 | 2010-01-21 | Mitsubishi Heavy Ind Ltd | Apparatus and method for observing surfacing/dissolving behavior of carbon dioxide liquid droplet |
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| CN207317799U (en) * | 2017-09-22 | 2018-05-04 | 杭州楠溪仪器设备有限公司 | Underwater toter and marine exploration device |
| CN108086269B (en) * | 2017-11-21 | 2019-10-29 | 浙江省海洋水产研究所 | A kind of presetting system removing sea pollution by oil device |
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Patent Citations (4)
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|---|---|---|---|---|
| RU2204150C2 (en) * | 2000-11-01 | 2003-05-10 | Зао "Техкомплект" | Receiving-emitting coherent sonar system |
| CN103910049A (en) * | 2012-12-31 | 2014-07-09 | 林建斌 | Onboard seabed shooting device |
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