Thermoelectric energy acquisition system for ocean optical fiber sensing network

Abstract

According to the thermoelectric energy acquisition system for the ocean optical fiber sensing network, the TEG thermoelectric module is installed in a chassis or a part with large temperature difference of the device, so that the temperature difference between the interior and the exterior of the device is converted into a power supply through the TEG thermoelectric module; and the energy is converted into a power supply suitable for the optical fiber wireless sensor network by using an efficient energy collection circuit and a step-up and step-down module, and then the power supply is supplied to related parts, so that the functions of collecting and utilizing the heat energy dissipated when the optical fiber wireless sensor network works and improving the cruising ability of equipment are realized. The device is applied to the field of ocean optical fiber sensing detection, the cruising ability of an instrument is effectively improved, the energy utilization efficiency is improved, and the problem of observation interruption caused by frequent battery replacement is effectively solved. According to the invention, the huge temperature difference between the inside and outside of the ocean bottom seismograph is used for power supply supplement, the huge temperature difference between the inside and outside of the device is effectively utilized, the cruising ability of the device is improved, and the device is especially suitable for being used under the ocean bottom condition.

Description

technical field [0001] The invention belongs to the technical field of thermoelectric energy collection, and in particular relates to a thermoelectric energy collection system used in a marine optical fiber sensor network. Background technique [0002] In recent years, countries all over the world are also strengthening research on the development of marine resources, marine environment detection and other topics. In these years of research, the introduction of optical fiber sensing technology has successfully solved the problems of sensor life and environmental noise interference in submarine seismic detection, but the limited capacity of the battery is still an important factor affecting the life of the submarine seismic detection node instrument. [0003] Energy harvesting technology can utilize energy generated in the environment, and its application in optical fiber sensing networks can increase its endurance when detecting submarine earthquakes. In the submarine seism...

AI Technical Summary

Problems solved by technology

Although many wireless sensing systems equipped with thermal energy harvesting devices have been proposed and have even been applied in practical engineering, these are almost all electrical sensing networks, which cannot be stably and reliably detected in harsh environments. For optical fiber The problem of energy harvesting for wireless sensor networks is poorly studied, especially in harsh deep-sea environments

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