Self-generating electricity super capacitor energy-storing power supply

Abstract

The invention provides a self-generation super capacitor energy storage power supply, belonging to the energy storage power supply technical field. The invention consists of a hand generator, a full-wave rectifier circuit, a charging control circuit, an energy storage capacitor module and an output voltage stabilizer circuit. The invention is characterized in that the output voltage of the hand generator is taken as the input voltage of the charging control circuit after being rectified by the full-wave rectifier circuit; the input voltage of the charging control circuit is the DC voltage which is changed in the range of 7V-60V; the charging control circuit has an over-voltage alarming function; the energy storage capacitor module consists of a super capacitor and a protection circuit; the output voltage stabilizer circuit is connected behind the energy storage capacitor module; when the voltage of the energy storage capacitor module is reduced from rated value to 0.3V, the output voltage can still keep stable. The invention has the advantages that the range of the input voltage is wide and the output voltage is stable; the power loss is little and the working efficiency is high; the invention can stably discharge for a long time after being charged fast with large current and is a green environmental protective power supply.

Description

technical field [0001] The invention belongs to the technical field of energy storage power supplies, and in particular provides a self-generating supercapacitor energy storage power supply. Background technique [0002] Clean energy and convenient charging are the needs of everyone in modern society. The Ni-MH and lithium batteries widely used at present will cause environmental pollution, and their common disadvantage is that the charging times are small and the charging time is long. With the development of supercapacitor technology, the capacity of a single capacitor can reach more than 2000F, charging for 10 seconds to a few minutes can reach more than 95% of the rated capacity, and the number of charge and discharge cycles can reach 500,000 times. The raw material composition and production of its products , use, storage and dismantling processes are not polluted. Therefore, designing a supercapacitor energy storage power supply with wide input voltage range, stable ...

AI Technical Summary

Problems solved by technology

[0004] 1. The charging voltage range is narrow and the efficiency of the charging circuit is low

Because the capacitor voltage is low, the step-down circuit loses most of the power when using AC input

[0005] 2. The capacitance of the capacitor used for energy storage is small, and the stored energy is too little to be used as a practical power supply

[0006] 3. There is no output voltage stabilization circuit, the capacitor voltage is directly used as the output voltage, and the capacitor voltage drops rapidly with time during discharge, so it cannot provide a stable voltage to the load

[0007] 4. The efficiency of the output voltage regulator circuit is low

The voltage regulator circuit consumes a lot of power, a large part of the energy stored in the capacitor is wasted inside the power supply, and the output efficiency of the power supply is very low

[0008] 5. No power status indication

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