Multidirectional vibration energy harvesting system

Abstract

The invention discloses a multidirectional vibration energy harvesting system, which comprises a plurality of multidirectional vibration energy harvesting units, an energy harvester shell and an energy harvesting circuit, wherein the multidirectional vibration energy harvesting unit completes collection and conversion of vibration energy through a piezoelectric vibrator, a wedge-shaped mass blockand an energy conversion circuit. The energy harvester shell can clamp the multi-directional vibration energy harvesting units through a specific mechanical structure, and an energy management circuitboard in the energy harvester shell can perform energy storage processing on weak current collected by each energy harvesting unit, so that the standard of direct use of power supply and consumptionequipment is achieved. The invention effectively overcomes the limitation that an existing structure is single in energy harvesting direction and low in output voltage.

Description

technical field [0001] The invention relates to the technical field of new energy power generation, in particular to a multi-directional vibration energy harvesting system. Background technique [0002] With the rapid development of social economy, coal mining is becoming more and more "unmanned" and "intelligent", and new words such as "smart mine" and "intelligent fully mechanized mining face" are constantly emerging. On this basis, the wireless monitoring and sensing system suitable for downhole has been greatly developed. Therefore, how to conveniently and reasonably supply power to the wireless sensor system has become an urgent problem to be solved. Based on the complex environment and abundant vibration energy in the underground, various vibration energy harvesting devices have emerged as the times require. However, the traditional unidirectional vibration energy harvesting device is difficult to be widely used in complex environments such as underground coal mines ...

AI Technical Summary

Problems solved by technology

However, the traditional unidirectional vibration energy harvesting device is difficult to be widely used in complex environments such as underground coal mines due to the limitations of single energy harvesting direction and low energy harvesting efficiency.

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