Utility-type solar energy power supply apparatus

Abstract

The invention relates to a solar energy power supply apparatus formed by a portable case body, a solar energy photovoltaic cell panel arranged on the front and back surface of the case body, an automatic charge-discharge control circuit including a direct current- direct current (DC-DC) voltage transforming circuit and a direct current-alternating current (DC-AC) transforming circuit, a liquid crystal display (LCD) arranged on the surrounding frame of the case body, a voltage output interface for notebook computer, a USB output interface used for power supply or charging for digital electronic products, an AC 220V output socket, a DC emergency charging input interface, an automobile storage battery charging output interface, and a convenient setting combination hub specially used for lamp-post of high-efficient energy-saving light formed by a collapsible supporting rod which serves the purpose of a lamp-post and a LED lamp holder. The invention has advantages of high power supply capability, wide applicability, strong practicality, safety and reliability and can satisfy the normal power supply of basic electricity utilization in communication, business and daily life in no AC 220V power-supply environment, and the invention is especially suitable for high illumination needed for earthquake relief work in remote mountain area, travelling and dark environment.

Description

technical field [0001] The invention relates to a solar energy utilization device, in particular to a practical solar power supply device which is powered by a solar photovoltaic battery panel and stores energy, and is convenient to be used in an environment without AC power supply. Background technique [0002] Solar energy is an inexhaustible and inexhaustible renewable energy source for human beings, and it is also a clean energy source that does not cause any environmental pollution. How to use solar energy more effectively and benefit mankind has become the most attention-grabbing topic in the world today. and one of the most dynamic research topics. Known solar energy power supply devices are generally composed of a photovoltaic solar panel with the function of collecting sunlight energy and converting sunlight energy into electrical energy, a storage battery with the function of storing electrical energy, and a photovoltaic solar panel, a storage battery and an operat...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of weak load capacity, large working limitations and poor convenience of use commonly found in existing solar power supply devices, which are not suitable for use in field environments without 220V AC power supply, and provide A practical solar power supply device with strong load capacity, convenient use and wide application range, which can comprehensively meet the safe power supply or charging requirements of notebook computers, digital electronic products and household appliances

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