Energy-saving mobile power supply based on solar energy

Abstract

The invention discloses an energy-saving mobile power supply based on solar energy. The energy-saving mobile power supply comprises a charging interface circuit, a main controller, a power supply battery pack and an output interface circuit, and also comprises a solar energy conversion circuit and a voltage stabilizing circuit. The voltage stabilizing circuit comprises first and second resistors, first to third capacitors, and a voltage stabilizer. An input end of the voltage stabilizing circuit is respectively connected to one end of the first capacitor and one end of the first resistor. The other end of the first capacitor is grounded, and the other end of the first resistor is connected to an input end of the voltage stabilizer and one end of the second capacitor. A ground end of the voltage stabilizer is connected to the second resistor and then grounded, and the other end of the second capacitor is grounded. An output end of the voltage stabilizer is connected to the third capacitor to act as an output end of the voltage stabilizing circuit. According to the invention, the energy-saving mobile power supply based on the solar energy can realize the energy collection and conversion, is conducive to sustaining the energy of the power supply battery pack and prolonging the service life of the battery pack, and further improves the charging and voltage stabilizing effects.

Description

technical field [0001] The invention relates to an energy-saving mobile power supply based on solar energy, belonging to the technical field of mobile power supplies. Background technique [0002] A mobile power supply is a portable charger that integrates power supply and charging functions, and can charge mobile phones and other digital devices anytime, anywhere or standby power. Generally, lithium batteries or dry batteries are used as power storage units, which are convenient and quick to use. [0003] The core component of the mobile power supply mainly has two parts, one is the medium for storing electricity, and the other is the medium for converting other energy into electricity. Therefore, the quality of the battery can be used as one of the important criteria to measure the quality of mobile power. There are three commonly used mobile power batteries: polymer lithium batteries, 18650 lithium batteries, and AAA Ni-MH batteries. Among them, polymer lithium-ion bat...

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, provide an energy-saving mobile power supply based on solar energy, and solve the problem that the existing mobile power supply cannot accurately achieve voltage stabilization when the charging interface is connected to an external power supply, and cannot At the same time, the problem of using solar energy to collect and convert it into electrical energy

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