Circuit for preventing virtual current of battery in battery charging process of artificial intelligent electric vehicle

Abstract

The invention discloses a circuit for preventing virtual current of a battery in the battery charging process of an artificial intelligent electric vehicle. The circuit comprises a battery electric quantity detection circuit, a power source power supply voltage stabilizing circuit and a phased constant-voltage charging circuit, wherein the battery electric quantity detection circuit is used for reading the potentials of a positive electrode and a negative electrode of the battery tested by an HDGC3912 intelligent battery internal resistance tester via a USB (universal serial bus) interface J1when the battery of the artificial intelligent electric battery is charged; an output signal of the battery electric quantity detection circuit is a three-phase voltage-regulating control signal of the phased type constant-voltage charging circuit, so as to control the phased charging, which is inputted by the power source power supply voltage stabilizing circuit and is received by the phased typeconstant-voltage charging circuit, on the charging voltage of the artificial intelligent electric vehicle; the different voltage states of the battery require different charging voltages; during charging in the first phase, the low-voltage charging is performed, so as to produce the ohmic polarization of the battery in the long-time charging process; during charging in the second phase, the higher-voltage charging is performed, so as to improve the charging efficiency; during charging in the third phase, the low-voltage charging is performed, so as to prevent the virtual current of the battery.

Description

technical field [0001] The invention relates to the technical field of electric vehicle battery charging, in particular to a circuit for preventing battery phantom electricity in artificial intelligence electric vehicle battery charging. Background technique [0002] With the deterioration of the global climate, all mankind is discussing how to deal with climate change. Energy conservation and emission reduction, and finding new energy sources are important ways to reduce environmental damage, and vehicle exhaust is an important factor that aggravates environmental degradation. For this reason, many enterprises and organizations are Develop pollution-free electric vehicles. [0003] At present, non-polluting electric vehicles, that is, artificial intelligence electric vehicle batteries, often have virtual power phenomena when charging, and even battery ohmic polarization, which not only causes virtual power phenomena in the batteries, but also affects the mileage of electric...

AI Technical Summary

Problems solved by technology

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide an anti-battery virtual power circuit in the battery charging of artificial intelligence electric vehicles, which has the characteristics of ingenious design and humanized design, and effectively solves the problem of artificial intelligence electric vehicle batteries. Virtual power phenomenon often occurs during charging, and even the problem of battery ohmic polarization occurs.

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