CN103875576A - Bait feeding method for a bait feeding machine - Google Patents
Bait feeding method for a bait feeding machine Download PDFInfo
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- CN103875576A CN103875576A CN201410071879.9A CN201410071879A CN103875576A CN 103875576 A CN103875576 A CN 103875576A CN 201410071879 A CN201410071879 A CN 201410071879A CN 103875576 A CN103875576 A CN 103875576A
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- bait
- wave height
- throwing
- feeding fish
- bait throwing
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Abstract
The invention relates to the field of breeding of aquatic products, in particular to a bait feeding method for a bait feeding machine. The bait feeding quantity is adjusted by measuring the height of water ripples in real time. By using the bait feeding method, baits can be sufficiently utilized; and most of fishes can eat the baits.
Description
Technical field
The present invention relates to aquaculture field, relate in particular to a kind of bait-throwing method of device for feeding fish bait.
Background technology
Mostly traditional aquaculture is to adopt artificial bait throwing in, although adopt the method for artificial bait throwing in can reach bait throwing in demand, people's labour intensity is large, and efficiency is low, has not met the demand for development of the offshore cage culture growing up gradually.Along with the growing performance requirement to device for feeding fish bait of offshore cage culture technology is also more and more higher, present device for feeding fish bait can only be realized bait throwing at regular time and quantity, but this bait throwing in mode has certain blindness, no matter fish gathering what state bait in official hour is thrown in always, but the shoal of fish assembles and needs certain hour on the one hand, and in the time that the shoal of fish gathers together, the possible bait throwing in time has finished, some fish is eaten less than bait, be unfavorable for the growth of fish; On the other hand, but do not have fish to eat because some bait is thrown in always, make bait can drop to net cage outside, the shoal of fish just eats less than these bait like this, has caused unnecessary waste, increases aquaculture cost, and pollutes to marine environment.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can make bait be fully used and most of fish can be had the bait-throwing method of the device for feeding fish bait of bait.
The technical solution adopted in the present invention is: a kind of bait-throwing method of device for feeding fish bait, and it comprises the following steps:
(1), take the side image of waters, device for feeding fish bait below water surface ripple before bait throwing in by being arranged on industrial camera on device for feeding fish bait, utilize the wave height of water surface ripple in related software measurement image, extract the obvious multiple wave height of feature, multiple wave height are averaged and obtained basic wave height Δ Z
0;
(2), reach after the bait throwing in time point of setting, device for feeding fish bait is thrown in a small amount of foundation bait M in official hour section t in waters below device for feeding fish bait
1and take in real time the image of waters, device for feeding fish bait below water surface ripple by industrial camera simultaneously, and the water surface ripple wave height in measurement image, each shooting is measured and all can be obtained multiple wave height, multiple wave height that shooting obtains are at every turn averaged and obtained mean wave height, i the mean wave height that in the T time, i shooting measures averaged and obtained measuring wave height Z
j, will measure wave height Z
jwith basic wave height Δ Z
0relatively obtain wave height variation delta Z
j, then according to bait throwing in time t and Δ Z
jintegration obtains bait throwing in variation delta M
j, described bait throwing in variation delta M
jalong with wave height variation delta Z
jchange large and become large, wherein bait throwing in time period t is greater than shooting time section T;
(3), after the bait throwing in t time according to the bait throwing in variation delta M calculating in step (2)
jcontinue in waters below device for feeding fish bait, to throw in bait M in official hour section t
j+1=M
1+ Δ M
j, then continue meter according to step (2) and calculate bait variation delta M next time
j+1, then continue according to this same way bait throwing in, until the bait throwing in variable quantity that meter calculates trends towards zero, device for feeding fish bait quits work, and continues to wait for the arrival of setting bait throwing in time point.
Adopt above method compared with prior art, the present invention has the following advantages: because the dense degree of water surface ripple can reflect the aggregation extent of fish in water, by the ripple situation of the real-time filming surface of industrial camera, then according to the wave height situation of change of the water surface ripple obtaining, obtain the situation of change of daily ration, feeding quantity in whole bait throwing in process, owing to can measure a wave height in each shooting time section, daily ration, feeding quantity in each fixing bait throwing in time period t is to change according to the fish situation of assembling in variation according to the value of the wave height of front one-shot measurement like this, so not only make bait throwing in adjust in real time the bait throwing in science more that makes according to the aggregation extent of the shoal of fish, and bait can not drop to because of not having fish to eat net cage and causes waste outward, and most of fish can be had bait, ensure the normal growth of the shoal of fish.
Brief description of the drawings
Fig. 1 is the flow chart of steps of the bait-throwing method of a kind of device for feeding fish bait of the present invention.
Fig. 2 is the schematic diagram that is related to of bait throwing in time of bait-throwing method of a kind of device for feeding fish bait of the present invention and daily ration, feeding quantity.
The structure diagram of the device for feeding fish bait adopting in the bait-throwing method of Fig. 3 for a kind of device for feeding fish bait of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further, but the present invention is not limited only to following embodiment.
A bait-throwing method for device for feeding fish bait, it comprises the following steps:
(1), approach before bait throwing in time point the side image of taking waters, device for feeding fish bait below water surface ripple before bait throwing in by being arranged on industrial camera on device for feeding fish bait, and the wave height of water surface ripple in measurement image, get the obvious multiple wave height of feature, multiple wave height are averaged and obtained basic wave height Δ Z
0; Described industrial camera is the camera that model that German AVT company produces is CL-400B/C200fps, this industrial camera can look like to obtain according to the water surface moire pattern photographing at every turn multiple wave height of the water surface ripple in figure, then get that wherein feature is obvious, by the average mean wave height of the water surface ripple that has just obtained each shooting of obvious these features wave height, then through repeatedly taking the basic wave height Δ Z that can obtain the water surface ripple before bait throwing in after measurement is averaged again
0.And take and take from the side, can more significantly take like this and obtain water surface moire pattern picture.
(2), reach after the bait throwing in time point of setting, device for feeding fish bait is thrown in a small amount of foundation bait M in official hour section t in waters below device for feeding fish bait
1and take in real time the image of waters, device for feeding fish bait below water surface ripple by industrial camera simultaneously, and the water surface ripple wave height in measurement image, each shooting is measured and all can be obtained multiple wave height, multiple wave height that shooting obtains are at every turn averaged and obtained mean wave height, i the mean wave height that in the T time, i shooting measures averaged and obtained measuring wave height Z
j, will measure wave height Z
jwith basic wave height Δ Z
0relatively obtain wave height variation delta Z
j, then according to bait throwing in time period t and Δ Z
jintegration obtains bait throwing in variation delta M
j, described bait throwing in variation delta M
jalong with the change of wave height variation delta Zj becomes large greatly, wherein bait throwing in time period t is greater than shooting time section T; Set and throw secondary bait every day, at 10 in the morning, once at 4 in afternoon, once the time arrived after 10 of times of setting, and device for feeding fish bait is thrown in a small amount of foundation bait M in official hour t in waters below device for feeding fish bait
1, it is 1 minute that bait throwing in time period t is set herein, after one minute, according to bait throwing in variable quantity, daily ration, feeding quantity is made adjustment, and M
1for 10g, and take in real time by industrial camera the wave height of measuring waters, device for feeding fish bait below water surface ripple simultaneously, average again and obtain measuring wave height Z taking, calculate i mean wave height in the T time
j, will measure wave height Z
jwith basic wave height Z
0relatively obtain wave height variation delta Z
j, setting shooting time section T is herein 10 seconds, 50 seconds, interval, and i is 10 times, then according to t time and wave height variation delta Z
jintegration obtains bait throwing in variation delta M
j,
wherein k is correction factor (influence factor is weather, and the value that the extraneous factors such as wind speed draw k by experiment is between 0.5～1), and setting k is herein 0.6, as shown in Table 1, is the wave height variation delta Z obtaining in each 10 seconds
j.
The wave height variation delta Z that the each T of table one obtained in second
j(k=0.6)
| Shooting time section T(s) | ΔZ j（cm） |
| 0 | 0.0021 |
| 0～10 | 0.3732 |
| 60～70 | 2.0051 |
| 120～130 | 4.1348 |
| 180～190 | 6.4513 |
| 240～250 | 7.6173 |
| 300～310 | 7.8472 |
| 360～370 | 6.4463 |
| 420～430 | 6.3085 |
| 480～490 | 5.7719 |
| 540～550 | 4.0147 |
| 600～610 | 2.7638 |
| 660～670 | 1.5851 |
| 720～730 | 1.0493 |
| 780～790 | 0.4890 |
| 840～850 | 0.0015 |
The value of note: j is 1,2,3......
(3), after the bait throwing in t time, continue in waters below device for feeding fish bait, to throw in bait M in the bait throwing in time period t of regulation
j+1=M
1+ Δ M
j, then continue meter according to step (2) and calculate this bait variation delta M
j+1, then continue according to this same steps bait throwing in, until the bait throwing in variable quantity that meter calculates trends towards zero, device for feeding fish bait quits work, and continues to wait for the arrival of setting bait throwing in time point.Because step (2) has calculated the bait throwing in variation delta M after bait throwing in for the first time
1so, the M of daily ration, feeding quantity for the second time that we just can calculate
2equal foundation bait M
1add bait throwing in variation delta M
1, i.e. M
2=M
1+ Δ M
1, then continue in bait throwing in time period t, to carry out bait throwing according to daily ration, feeding quantity for the second time, within the T time, mean wave height is taken and calculated to industrial camera simultaneously, and then obtain again a bait throwing in variation delta M
2, can obtain so again daily ration, feeding quantity next time, circulation, until the bait throwing in variable quantity that meter calculates trends towards zero, stops bait throwing in so successively.Continuing to wait for the arrival of next bait throwing in time point, as shown in Table 2, is the daily ration, feeding quantity of each same time section t.
The each time period daily ration, feeding quantity of table two
| Time period t (s) | ΔM j(g) | M j+1=M 1+ΔM j（g） |
| 0～60 | 10 | 10 |
| 60～120 | 72.1836≈72 | 82 |
| 120～180 | 148.8528≈149 | 159 |
| 180～240 | 232.2468≈232 | 242 |
| 240～300 | 274.2228≈274 | 284 |
| 300～360 | 282.4992≈282 | 292 |
| 360～420 | 232.0668≈232 | 242 |
| 420～480 | 227.106≈227 | 237 |
| 480～540 | 207.7884≈208 | 218 |
| 540～600 | 144.5292≈145 | 155 |
| 600～660 | 99.4968≈99 | 109 |
| 660～720 | 57.0636≈57 | 67 |
| 720～780 | 37.7748≈38 | 48 |
| 780～840 | 17.604≈18 | 28 |
| 840～900 | 0.054≈0 | 0 |
The value of note: j is 1,2,3.......
Claims (1)
1. a bait-throwing method for device for feeding fish bait, is characterized in that: it comprises the following steps:
(1), approach before bait throwing in time point the side image of taking waters, device for feeding fish bait below water surface ripple before bait throwing in by being arranged on industrial camera on device for feeding fish bait, and the wave height of water surface ripple in measurement image, get the obvious multiple wave height of feature, multiple wave height are averaged and obtained basic wave height Δ Z
0;
(2), reach after the bait throwing in time point of setting, device for feeding fish bait is thrown in a small amount of foundation bait M in official hour section t in waters below device for feeding fish bait
1and take in real time the image of waters, device for feeding fish bait below water surface ripple by industrial camera simultaneously, and the water surface ripple wave height in measurement image, each shooting is measured and all can be obtained multiple wave height, multiple wave height that shooting obtains are at every turn averaged and obtained mean wave height, i the mean wave height that in shooting time section T, i shooting measures averaged and obtained measuring wave height Z
j, will measure wave height Z
jwith basic wave height Δ Z
0relatively obtain wave height variation delta Z
j, then according to bait throwing in t time and Δ Z
jintegration obtains bait throwing in variation delta M
j, described bait throwing in variation delta M
jalong with wave height variation delta Z
jchange large and become large, wherein bait throwing in time period t is greater than shooting time section T;
(3), after the bait throwing in t time according to the bait throwing in variation delta M calculating in step (2)
jcontinue to throw in bait M to waters below device for feeding fish bait in official hour section t
j+1=M
1+ Δ M
j, then continue meter according to step (2) and calculate this bait variation delta M
j+1, then continue according to this same way bait throwing in, until the bait throwing in variable quantity that meter calculates trends towards zero, device for feeding fish bait quits work, and continues to wait for the arrival of setting bait throwing in time point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410071879.9A CN103875576B (en) | 2014-02-28 | 2014-02-28 | A kind of bait-throwing method of device for feeding fish bait |
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|---|---|---|---|
| CN201410071879.9A CN103875576B (en) | 2014-02-28 | 2014-02-28 | A kind of bait-throwing method of device for feeding fish bait |
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| CN103875576A true CN103875576A (en) | 2014-06-25 |
| CN103875576B CN103875576B (en) | 2015-09-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542411A (en) * | 2014-12-19 | 2015-04-29 | 浙江大学 | Intelligent bait feeding device and method based on image processing technology |
| CN111372060A (en) * | 2020-04-07 | 2020-07-03 | 北京海益同展信息科技有限公司 | Intelligent bait casting method and system and inspection vision device |
| CN113207783A (en) * | 2021-06-22 | 2021-08-06 | 重庆工商大学 | Intelligent feeding system and method for fish culture |
| CN113925007A (en) * | 2021-10-29 | 2022-01-14 | 山东大学 | Gravity type net cage design method based on balance weight and cable distribution evaluation |
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| CN103168735A (en) * | 2013-04-21 | 2013-06-26 | 中国水产科学研究院黑龙江水产研究所 | Fish moving type automatic bait feeding machine and method |
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| CN103399514A (en) * | 2013-08-09 | 2013-11-20 | 广东海洋大学 | Automatic control system and method of deep-sea net cage bait feeding machine |
-
2014
- 2014-02-28 CN CN201410071879.9A patent/CN103875576B/en not_active Expired - Fee Related
Patent Citations (7)
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| US5732655A (en) * | 1996-03-27 | 1998-03-31 | Hitachi, Ltd. | Automatic feeding apparatus for aquatic life, and a method for using same |
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| EP2417851A1 (en) * | 2009-04-07 | 2012-02-15 | Nippon Suisan Kaisha, Ltd. | Feeding method and feeding system for farmed fish |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104542411A (en) * | 2014-12-19 | 2015-04-29 | 浙江大学 | Intelligent bait feeding device and method based on image processing technology |
| CN111372060A (en) * | 2020-04-07 | 2020-07-03 | 北京海益同展信息科技有限公司 | Intelligent bait casting method and system and inspection vision device |
| CN113207783A (en) * | 2021-06-22 | 2021-08-06 | 重庆工商大学 | Intelligent feeding system and method for fish culture |
| CN113207783B (en) * | 2021-06-22 | 2022-08-02 | 重庆工商大学 | Intelligent feeding system and method for fish culture |
| CN113925007A (en) * | 2021-10-29 | 2022-01-14 | 山东大学 | Gravity type net cage design method based on balance weight and cable distribution evaluation |
| CN113925007B (en) * | 2021-10-29 | 2023-10-17 | 山东大学 | Gravity type net cage design method based on balance weight and cable distribution evaluation |
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