Handheld tool and method for measuring mytilus coruscus gould

A thick-shelled mussel, hand-held technology, is applied in the field of marine biological protection and scientific utilization, and can solve the problem that sexually mature groups cannot be effectively replenished, wild resources of thick-shelled mussels are destroyed, and thick-shelled mussels vary in size. problems, to avoid the loss of instruments, to improve the efficiency of collection and capture, and to be easy to carry.

Inactive Publication Date: 2017-01-04
NINGBO ACAD OF OCEAN & FISHERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the local fishermen mainly collect thick-shelled mussels by diving at present, and there is a problem: when diving, the thick-shelled mussels caught are of different sizes, and many small individuals are caught. , resulting in the lack of effective replenishment of sexually mature groups, which has caused great damage to the wild resources of thick-shelled mussels. How to quickly and efficiently allow harvesters to distinguish the individual size of the harvested objects has becom

Method used

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  • Handheld tool and method for measuring mytilus coruscus gould
  • Handheld tool and method for measuring mytilus coruscus gould
  • Handheld tool and method for measuring mytilus coruscus gould

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] 1. Select 10 thick-shelled mussels and measure them in the laboratory. The actual and measured values ​​of different mussels are shown in Table 1.

[0056] 2. Place 10 thick-shelled mussels on the operating table in turn, measure the shell length of each mussel with a vernier caliper, and record the measured shell length data in Table 1.

[0057] 3. Hold the measuring handle and hang the handle horizontally above the operating table. A vertical steel ruler is used to measure the distance between the handle and the operating table, and the distance between the sonar excitation ring of the handle and the operating table is kept at 40cm.

[0058] 4. Turn on the power of the handle, press the measuring distance switch, the screen shows that the distance between the handle and the console varies between 38cm and 43cm (due to the dual factors of hand shaking and measurement error). Keeping the same height, transfer the handle over the mussels to be tested. Operate the switc...

Embodiment 2

[0062] 1. Select the dense distribution area of ​​wild underwater thick-shell mussels.

[0063] 2. Hold the measuring handle and make the handle parallel to the surface of the area to be measured. In the thick shell mussel distribution area, place a steel ruler vertically to measure the distance between the handle and the thick shell mussel area, so that the distance between the sonar transceiver device of the handle, the micro camera and the thick shell mussel distribution area is kept at about 50cm .

[0064] 3. Turn on the power of the handle, press the light switch, the four light bulbs on the back of the handle are all on, and the light is focused on the surface of the thick-shell mussel distribution area.

[0065] 4. Press the measuring distance switch, and the screen will display that the distance between the handle and the console varies between 46 and 53 cm. Keeping the same height, transfer the handle over the mussels to be tested. Operate the switch for measuring...

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Abstract

The invention discloses a handheld tool and a method for measuring mytilus coruscus gould. A measuring body is arranged on the upper portion of the integrally T-shaped handheld tool, and a handle is arranged on the lower portion of the handheld tool and is fixedly connected with the measuring body. The handheld tool is characterized in that an LED display screen is arranged on the front surface of a main shell, four bulbs are arranged at four corners of the back surface of the main shell, a miniature camera is arranged in the center of the back surface of the main shell, a sonar receiving and transmitting device is further mounted on the back surface of the main shell, and the miniature camera is positioned in the center of the sonar receiving and transmitting device; a size measuring switch, a distance measuring switch, a light switch and an automatic monitoring switch are arranged on the front surface of a handle shell, a power switch is arranged in a side surface of the handle shell, and a battery charging hole is formed in the bottom of the handle shell; a lithium battery and a computer chip are arranged inside the handle. The handheld tool and the method have the advantages that the sizes of the underwater mytilus coruscus gould can be efficiently measured by the aid of the handheld tool, and the handheld tool can be used as an auxiliary tool for investigating and evaluating the mytilus coruscus gould in natural environments; the sizes of the mytilus coruscus gould can be easily, accurately and effectively measured by the aid of the handheld tool.

Description

technical field [0001] The invention relates to a tool and a method for measuring mussels, in particular to a hand-held tool and a method for measuring thick-shelled mussels, and belongs to the technical field of marine life protection and scientific utilization. Background technique [0002] Thick-shelled mussels are unique marine economic bivalves in the East China Sea region of my country. In nature, they are mainly distributed in Japan, North Korea and my country's Yellow Sea, East China Sea and Taiwan. Its taxonomic status belongs to the bivalves of molluscs. It is commonly known as mussels, sea reds, and shell vegetables, and it is also known as "Mrs. Donghai". Thick-shelled mussels are large in size, soft in texture, delicious in taste, and rich in polypeptides. They are one of the important dishes on the table of coastal residents and therefore also an important species caught by local fishermen. The natural distribution of the thick-shelled mussel is quite special....

Claims

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Application Information

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IPC IPC(8): G01B11/00G01D11/28G01S15/08
CPCG01B11/00G01D11/28G01S15/08
Inventor 郑丹张乐焦海峰严小军王剑萍尤仲杰
Owner NINGBO ACAD OF OCEAN & FISHERY
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