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Device for side-mounting wireless trawl hydrophones

A technology of hydrophone and trawling, which is applied in transportation and packaging, underwater operation equipment, ships, etc. It can solve the problems of high cost, waste of time, and problems with installation angles, and achieve convenient maintenance, cost reduction, and simple installation Effect

Active Publication Date: 2018-05-29
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This brings a lot of inconvenience to ship owners and scientific research units, generates a lot of cost, and wastes a lot of time
[0005] Moreover, after the hydrophone is fixed in this way and the ship is launched into the water, once there is a problem with the installation angle of the hydrophone or the instrument is damaged, the ship must be re-docked for adjustment, repair, replacement, or disassembly.

Method used

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  • Device for side-mounting wireless trawl hydrophones
  • Device for side-mounting wireless trawl hydrophones

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0028] according to figure 1 , figure 2 The shown device for side-mounted wireless network hydrophone includes a hydrophone cover 1, a steel rod 2, a steel rod hoop 3, a hull fixed base 5 fixed above the waterline L2 of the ship, and a fixed base-steel The connecting piece 4 between the rods.

[0029] The hydrophone cover 1 is used for installing the hydrophone, and plays the role of protection and diversion. The steel rod 2 is divided into two steel rod sections, the hydrophone cover 1 is welded to the bottom end of the first section of the steel rod section, and the first section of the steel rod section passes through the steel rod hoop 3 and the second section of the steel rod section. Connect and fix the angle. The steel rod hoop 3 is fixed by screws and nuts, and screws and pins are used to prevent the two steel rod segments from being...

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Abstract

The invention relates to a device for side installation of a wireless trawling hydrophone. The device comprises a hydrophone cover, and also includes a steel rod, the hydrophone cover is fixed at the bottom of the steel rod, the steel rod is equipped with at least two ship body fixed bases, and the fixed bases are fixedly connected to the steel rod through a connecting piece. According to the invention, an underway ship has no need for docking during installation of a wireless trawling monitoring system hydrophone (underwater part), and the angle of the hydrophone can be adjusted randomly to meet good communication with a sensor on a net. For a rentable test ship, the installation is very simple before test, and disassembly is also convenient and fast at the end. Hydrophone maintenance is also very convenient. Therefore, the efficiency of installation, disassembly and maintenance is greatly improved, and the cost is reduced.

Description

technical field [0001] The invention relates to ship hull accessories, in particular to a device for installing hydrophones. Background technique [0002] The wireless trawl monitoring system can provide a wealth of information on nets, including: 1. The depth and height of the fishing net, the expansion between the upper and lower nets, the angle, the water temperature, and the distance from the lower net to the seabed; 2. The main and auxiliary net plates Depth, angle, distance information between main and auxiliary (horizontal expansion), water temperature, the distance from the screen to the ship; 3. The depth, angle of the left and right screen wings, horizontal expansion of the screen wings, water temperature, and the distance from the screen wing to the ship; 4 . Whether the net bag is full of fish; 5. The angle of the selective device, the longitudinal and lateral speed of the fishing net to the water; 7. Early warning for obstacles that may cause the net to break; 8...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63C11/52
CPCB63C11/52
Inventor 张禹张勋王永进周爱忠嵇峰蒋科技郁岳峰
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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