Monitoring system for stern gantry structure of large-scale ocean trawler

A trawler, monitoring system technology, applied in fishing boats, measuring forces, measuring devices, etc.

Inactive Publication Date: 2019-02-15
DALIAN MARITIME UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] The research of Hou Chao from Wuhan University of Technology is mainly used in the structural monitoring of container ships, and the structural characteristics of container shi...

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  • Monitoring system for stern gantry structure of large-scale ocean trawler
  • Monitoring system for stern gantry structure of large-scale ocean trawler
  • Monitoring system for stern gantry structure of large-scale ocean trawler

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Embodiment Construction

[0049] The technical solutions of the present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

[0050] A large-scale ocean-going trawler stern mast structure monitoring system, the system includes five subsystems: sensor system, information collection and processing system, information communication and transmission system, information analysis and monitoring system, and intelligent stowage system, each subsystem is specific as follows:

[0051] (1) Sensor system

[0052] The sensor system includes an optical fiber grating strain sensor, an optical fiber splicing box and an optical cable reel box; there are at least seven optical fiber grating strain sensors, which are respectively arranged at: the middle part of the crossbeam on the top of the tailgate frame, which is marked as C measuring point; the main column on the starboard side The middle part is marked as measuring point A5; the middle part of the starboard...

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Abstract

The invention provides a monitoring system for the stern gantry structure of a large-scale ocean trawler, which belongs to the field of ship structure monitoring. The system comprises a sensor system,an information acquisition and processing system, an information communication and transmission system, an information analysis and monitoring system, and an intelligent loading system. A fiber grating strain sensor in the sensor system collects structural strain data of the stern gantry. A fiber grating demodulator in the information acquisition and processing system converts a wavelength signalof a reflected light wave into an electrical signal. An information analysis computer in the information analysis and monitoring system analyzes the data through software with a damage diagnosis function, determines the location of the damage, identifies the damage degree, and evaluates the health status of the structure. The intelligent loading system can use the data of the information analysisand monitoring system to calculate ship stability, ship strength and structural stress. The system reasonably combines the loading system and the monitoring of the stern gantry structure of large-scale ocean trawler, and intuitively displays the force of the tailgate.

Description

technical field [0001] The invention belongs to the field of ship structure monitoring, and in particular relates to a stern mast structure monitoring system of an ocean-going fishing vessel capable of feeding back data to a stowage system and providing necessary decision-making for reasonable and logical formulation of a stowage scheme. Background technique [0002] The large-scale ocean-going trawler stern mast structure monitoring system is based on the knowledge base of the performance calculation model and specifications of the ocean-going fishing vessel in real time, and continuously checks the stress indicators such as the stability, strength, and trim of the vessel, and refers to the ship’s Real-time status (such as navigation, loading, unloading, etc.) and other implementation conditions are analyzed and expected, and the data is fed back to the automatic stowage system to provide the necessary basis for the reasonable and logical formulation of the stowage plan. At...

Claims

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Application Information

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IPC IPC(8): G01B11/16G01L1/24B63B35/16
CPCB63B35/16G01B11/165G01L1/242
Inventor 史国友杜嘉立杨家轩王庆武李伟峰马麟王玉闯
Owner DALIAN MARITIME UNIVERSITY
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