Vibration energy collection device

Abstract

The invention discloses a vibration energy collection device which comprises a vibration mechanical energy conversion device and a collection device. The vibration mechanical energy conversion device comprises a permanent magnet group, an upper iron core, a lower iron core, a fixed middle shaft, a coil, a spring piece, a winding support and a shell. The permanent magnet group is formed by superposing two magnets, adjacent magnet surfaces have the same polarity, a magnetic conductive gasket is arranged between the adjacent magnet surfaces, the permanent magnet group is fixed between the upper and lower iron cores, and the permanent magnet group and the upper and lower iron cores are positioned and fastened by the fixed middle shaft. A groove is formed in the outer surface of a wire mold, a conductive coil is arranged in the groove, the wire mold is fixed on the winding support, and a fixing cover and upper and lower bottom covers are arranged above and below the shell respectively. The collection device comprises a rectifying circuit, a voltage stabilizing circuit and an energy storage unit, and the collection device is placed in the shell. Vibration mechanical energy in the environment is converted into electric energy, stable direct-current voltage is output, a traditional battery power supply mode can be replaced, the trouble of frequent battery replacement is avoided, environmental pollution is reduced, use is convenient, and maintenance is not needed.

Description

technical field [0001] This patent relates to the technical field of self-power generation, and relates to a vibration energy collection device. Background technique [0002] With the rapid development of electronic technology in recent years, the power consumption of wireless communication is getting lower and lower, which provides a good application scenario for energy harvesting. Sustainable wireless sensor networks are widely used due to the two key driving technologies behind them, namely energy harvesting and energy management. But there is still a very serious problem, that is, how to ensure the power supply of these wireless sensing units. The more popular practice in traditional industries is to use batteries. However, batteries are bulky and have a limited lifespan, making them difficult to replace on a regular basis. For thousands of wireless sensor nodes randomly scattered in the natural environment, it is almost impossible to replace the batteries regularly, ...

AI Technical Summary

Problems solved by technology

However, batteries are bulky and have a limited lifespan, making them difficult to replace regularly

For thousands of wireless sensor nodes randomly scattered in the natural environment, it is almost impossible to replace the battery regularly, and the battery contains heavy metals, and improper disposal of waste batteries is likely to cause serious environmental pollution

Therefore, the use of traditional batteries can no longer meet the development requirements of wireless sensor networks.

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