All-weather power supply system based on natural energy harvesting

Abstract

The invention provides an all-weather power supply system based on natural energy harvesting. The system comprises an energy harvesting module, an energy collection module, a voltage regulation module, a switch matrix, a power management module, a main energy storage module, an auxiliary energy storage module and an output module, wherein the energy harvesting module comprises at least one micro-energy harvesting unit, each micro-energy harvesting unit is connected with an energy collection module after rectification and conversion, the micro-energy harvesting unit is connected with the voltage regulation module for voltage regulation, the output side of the voltage regulation module is connected to the switch matrix, the output side of the switch matrix is alternatively connected with themain energy storage module, the auxiliary energy storage module or the output module, the output module is an output switch, and the power management module is used for management and state monitoring of each module. The system has the advantages that natural energy is used for power generation, micro electric energy harvesting is achieved, the service life is greatly prolonged, the whole life cycle is free of maintenance, and energy is collected to the maximum extent.

Description

technical field [0001] The invention relates to the field of natural energy collection, in particular to an all-weather power supply system based on natural energy collection. Background technique [0002] With the development of the Internet of Things, the application scenarios of sensors are becoming more and more extensive. In one application scenario, dozens of sensors can be placed in different shapes and positions. In order to solve the problem of power consumption of sensors, many existing technologies Powered by batteries. [0003] Battery power supply has the problem of limited battery life. Generally, the battery needs to be replaced every two or three years. However, with the explosion of the number of sensors, the work of replacing batteries has become a major problem that limits the use of sensors. [0004] With the development of micro-energy harvesting technology, there are also solutions to use micro-energy to power devices, but there are a series of problem...

AI Technical Summary

Problems solved by technology

[0003] Battery power supply has the problem of limited battery life. Generally, the battery needs to be replaced every two or three years. However, with the explosion of the number of sensors, the work of replacing batteries has become a major problem that limits the use of sensors.

[0004] With the development of micro-energy harvesting technology, there are also solutions to use micro-energy to power devices, but there are a series of problems such as unstable power supply, still needing to rely on batteries, and short battery life.

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