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Device and method for fish enhancement and release outdoor temporary culture and fry number counting

A technology of multiplying, releasing, and counting devices, which is applied in fish farming, agricultural fishing, complex mathematical operations, etc., can solve problems such as low work efficiency, high stress on fish, and cannot be guaranteed, and saves time for fishing. , Increase the survival rate, the effect of low output voltage

Active Publication Date: 2021-01-01
OCEAN UNIV OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

China has organized and carried out the National Fish Release Day on June 6 every year, synchronous multiplication and release, and achieved a good effect of replenishing fishery resources in natural water bodies. However, the current multiplication and release equipment is relatively backward, and the survival rate of released fish fry needs to be improved.
[0003] Breeding and releasing activities are usually carried out in the wild. At present, most of the fry to be released are directly raised in large plastic buckets. The temporary breeding density is high and the water environment is poor, which reduces the survival rate of fish released.
On the one hand, the discharge site lacks power supply facilities. Even if it is connected to the 220V mains through a long wire, there is a large potential safety hazard due to the large amount of water in the discharge site. However, the temporary breeding density of fish fry is high. Oxygen content cannot be guaranteed, which will lead to a decrease in the survival rate of fish released. Therefore, it is urgent to design a set of equipment that is safe to use electricity and can stably supplement the oxygen content of the water body.
In addition, the high temperature of the outdoor release environment in summer will lead to faster metabolism of fish and a decline in water quality. Usually, the staff will put ice cubes directly into the holding water to cool down, but the stress on the fish is greater, and the salinity of the water body changes, so , need a set of holding device that can reduce the temperature of holding water body without changing the salinity of water body
[0004] In the process of breeding and releasing activities, it is necessary to count and count the fry, but most of the traditional counting methods need to manually count the fry to be released out of the water, which will cause great damage to the fish body, low statistical accuracy, and the total length of the fry to be released. Usually less than 5cm, so the counting workload is heavy and the work efficiency is low
In addition, when putting the fish fry in the release and temporary breeding device into the natural water body, the dipping net is often used to catch fish continuously in the plastic vat, and there are many fish that slip through the net, the work efficiency is low, and the mortality rate of the fish fry is high.

Method used

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  • Device and method for fish enhancement and release outdoor temporary culture and fry number counting
  • Device and method for fish enhancement and release outdoor temporary culture and fry number counting
  • Device and method for fish enhancement and release outdoor temporary culture and fry number counting

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Embodiment 1

[0044] This embodiment 1 provides a device for counting the number of seedlings temporarily raised outdoors for fish multiplication and releasing, which is used to provide convenience for the temporary raising and efficient counting of fishes when carrying out fishery multiplication and releasing operations in the wild. Through the mutual cooperation of the temporary raising unit 100 and the counting unit 200, the device realizes the short-term temporary cultivation of the seedlings before multiplication and release, and counts the seedlings to meet the requirement of quantitative multiplication.

[0045]Concretely, a kind of seed number counting device for the outdoor temporary raising of fish multiplication and releasing, comprises temporary raising unit 100 and the counting unit 200 arranged on the temporary raising unit 100, the counting unit 200 and the temporary raising unit 100 are all provided with measuring unit 400 , the measuring unit 400 can be a water level measuri...

Embodiment 2

[0050] What this embodiment is different from Embodiment 1 is that it provides a seed quantity counting device for temporary breeding outside the fish multiplication and release. The measuring unit 400 includes a laser range finder 401 and a float 402. The upper part of the raising unit 100 and the counting unit 200 is used to measure the position change of the float 402, and obtain the water level change value according to the water level change reflected by the float 402. Preferably, the laser range finder 401 can choose Benewake TF-Luna, TF02-Pro, etc., or other models with a resolution better than 0.1mm, and the float 402 is an opaque floating ball, which meets the detection requirements of the laser range finder 401 , to ensure that the laser range finder 401 can obtain water level data.

[0051] Further, in order to ensure that the float 402 is in the detection area of ​​the laser range finder 401, the floating range of the float 402 needs to be limited, for details, ple...

Embodiment 3

[0058] This embodiment is different from the above-mentioned embodiments in that the adjustment unit 600 includes a telescopic part 602 and a clamping part 603, which play a role of clamping. Specifically, the clamping part 603 is made of a flexible material, and includes a plurality of sub-parts 603-1. The outer edge is fixed but the internal sub-parts 603-1 can be separated, so that it has the function of adaptive opening and closing according to needs, so as to realize the function of clamping the rope 403; the telescopic part 602 is an elastic part, which can cooperate with the adjustment of the clamping part 603 degrees of opening and closing. Specifically, the rope 403 passes through the inside of the clamping portion 603, so that the contact state between the sub-parts 603-1 is changed into a separated state. Preferably, the sub-parts 603-1 are fan-shaped, and each sub-part 603-1 forms the clamping part 603 of the circular flexible surface material after contact; Thin...

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Abstract

The invention discloses a device and method for fish enhancement and release outdoor temporary culture and fry number counting. The device comprises a temporary culture unit, a counting unit arrangedon the temporary culture unit and an energy supply unit. The counting unit and the temporary culture unit are each provided with a measuring part, the measuring parts measure water level changes in the counting unit and the temporary culture unit, and the fry number N is obtained through the relation between the water level changes and the fry volume. Solar energy can be used for continuously supplying power to an oxygenating pump, the problem that a fixed power source is lacked on the shore is solved, meanwhile, the output voltage is low, and safety is achieved for enhancement and release personnel; and the height change of the water surface before and after fry adding is measured through laser range finders, the fry number in a release device can be rapidly counted in combination with asmall sample counter, and the fry number acceptance problem is solved.

Description

technical field [0001] The invention belongs to the technical field of fishery multiplication, and in particular relates to a device and method for temporarily raising fish multiplication and releasing outdoors and counting the number of seedlings. Background technique [0002] In order to protect aquatic biological resources, increase the number of fishery resources, protect the marine ecological environment, and improve marine economic benefits, proliferation and release activities have been widely carried out around the world to restore the increasingly depleted fishery resources. China has successively organized the National Fish Release Day on June 6 every year, and simultaneously multiplied and released fish, and achieved a good effect of replenishing fishery resources in natural water bodies. However, the current multiplication and releasing equipment is relatively backward, and the survival rate of released fish fry needs to be improved. [0003] Breeding and releasi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/95A01K61/10G06F17/11
CPCA01K61/95A01K61/10G06F17/11Y02A40/81Y02P60/60
Inventor 佟飞陈丕茂张秀梅袁华荣陈钰祥
Owner OCEAN UNIV OF CHINA