Marine multi-parameter integrated monitoring system based on micro-nano optical-fiber half coupler and method

A micro-nano optical fiber and monitoring system technology, which is applied in the direction of instruments, measuring devices, and conversion sensor output, to achieve the effect of improving the multi-parameter sensing and multiplexing capabilities of the system

Active Publication Date: 2019-01-25
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is: to design a marine multi-parameter integrated monitoring system based on micro-nano optical fiber half-coupler, the system uses tunable optical switch to realize multi-sensing probe space division multiplexing cascading and sensing demodulation switch, and perform light detection and scanni

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  • Marine multi-parameter integrated monitoring system based on micro-nano optical-fiber half coupler and method
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  • Marine multi-parameter integrated monitoring system based on micro-nano optical-fiber half coupler and method

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Embodiment Construction

[0061] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0062] Such as figure 1 as shown,

[0063] The marine multi-parameter integrated monitoring system based on the micro-nano optical fiber half-coupler of the present invention includes a tunable wavelength scanning light source 1, an optical fiber isolator 2, a 1×4 tunable optical switch 3, a CTD sensor 4, a magnetic field sensor 5, a humidity Sensor 6, harmful gas sensor 7, No. 1 photodetector 8, No. 2 photodetector 9, No. 3 photodetector 10, No. 4 photodetector 11, acquisition card 12 and signal processing computer 13; Wavelength scanning light source 1, optical fiber isolator 2, 1×4 tunable optical switch 3, No. 1 photodetector 8, No. 2 photodetector 9, No. 3 photodetector 10, No. 4 photodetector 11, acquisition card 12 And the signal processing computer 13 is integrated into an integrated dry-end processor by means of modular assembly,...

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Abstract

The invention relates to the fields of marine environment monitoring and optical-fiber sensing technology, and particularly to a marine multi-parameter integrated monitoring system based on a micro-nano optical-fiber half coupler and a method. The monitoring system includes a tunable wavelength scanning light source, an optical-fiber isolator, a 1x4 tunable optical switch, a CTD sensor, a magnetic-field sensor, a humidity sensor ,a harmful-gas sensor, a photodetector No.1, a photodetector No.2, a photodetector No.3, a photodetector No.4, a collection card and a signal processing computer. Thesystem of the invention has the advantages of a simple structure, low costs, high sensitivity, multi-parameter integrated sensing, high integration, convenient deployment, high data compatibility andthe like, and effectively satisfies multi-parameter integrated monitoring and information processing application demand of marine environments. The system is an optical-fiber sensing system, can be convenient for integration with an existing optical-fiber hydrophone system, and then provides a real-time in-situ high-precision marine dynamic environment guarantee.

Description

technical field [0001] The invention relates to the technical field of marine environment monitoring and optical fiber sensing, in particular to a marine multi-parameter integrated monitoring system and method based on a micro-nano optical fiber half-coupler. Background technique [0002] The parameters of various elements of the marine environment directly affect marine-related activities such as marine economic development, marine environmental protection, marine equipment and equipment operation efficiency and safety, and real-time, efficient, rapid, in-situ, large-scale, and continuous monitoring of various marine environmental elements is an important It is a arduous and complicated task, and it is also a necessary ability to develop and manage the ocean. Therefore, the development of marine environmental monitoring technology and the development of related equipment and instruments are the only way to build a marine power. The related work is of great significance and ...

Claims

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Application Information

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IPC IPC(8): G01D5/353
CPCG01D5/35354G01D5/3538G01D5/35396
Inventor 于洋张学亮卞强杨俊波路阳王建飞孟洲
Owner NAT UNIV OF DEFENSE TECH
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