Intelligent multi-mode charging method of battery charging device

Abstract

The invention provides an intelligent multi-mode charging method of a battery charging device. The method comprises multiple charging steps of judging the state of a battery, conducting the de-vulcanization treatment on the battery, charging the battery in the constant-current / trickle charging mode and the like. Specifically, the method comprises the steps of S1, conducting the power connection detection and sending out an alarm for the empty-load or reverse-connection condition; S2, judging the voltage condition of batteries and conducting the de-vulcanization treatment on aged and vulcanized batteries; S3, charging batteries according to a pre-selected charging mode till the voltages of the batteries to be larger than 12.6 V. the alternative charging modes are composed of at least two modes, namely a first charging mode for charging batteries at a constant voltage of 13.7 V and a second charging mode for charging batteries at a constant voltage of 14.2 V. According to the technical scheme of the invention, the battery charging process can be intelligently monitored, wherein a most appropriate charging voltage and a most appropriate current can be intelligently selected according to the states of batteries. Therefore, batteries are effectively protected. Meanwhile, the condition that batteries are damaged due to the inappropriate charging voltage / current can be avoided. Moreover, the de-vulcanization and re-activation functions for to-be-charged batteries are realized, and aged and vulcanized batteries can be repaired. The service lives of batteries are prolonged.

Description

technical field [0001] The invention relates to an intelligent multi-mode charging method for a battery charging device. Background technique [0002] With the development of new energy technology, battery vehicles, electric vehicles and electric vehicles will be popularized. The batteries assembled on these new energy vehicles will be scrapped after 1 to 2 years of use due to the salinization of lead sulfate. Specifically, lead-acid During the electrochemical reaction process of battery charge and discharge, lead sulfide crystals will be produced on the surface of the plate at the same time, and continue to be produced or increased, which greatly hinders the normal electrochemical reaction of the battery. Because discarded batteries contain toxic and harmful elements and heavy metal compounds, they will cause great pollution to the environment, and some batteries are not completely unusable. They need specific charging treatment to reactivate their electrical properties to ...

AI Technical Summary

Problems solved by technology

[0002] With the development of new energy technology, battery vehicles, electric vehicles and electric vehicles will be popularized. The batteries assembled on these new energy vehicles will be scrapped after 1 to 2 years of use due to the salinization of lead sulfate. Specifically, lead-acid During the electrochemical reaction of battery charge and discharge, lead sulfide crystals will be produced on the surface of the plate at the same time, and continue to be produced or increased, which greatly hinders the normal electrochemical reaction of the battery

Because discarded batteries contain toxic and harmful elements and heavy metal compounds, they will cause great pollution to the environment, and some batteries are not completely unusable. They need specific charging treatment to reactivate their electrical properties to continue use, if this part of the battery is discarded without activation, it will cause a waste of resources

[0003] For consumers, we do not have rich knowledge of charging technology, nor can we know whether the battery and charging device can be effectively matched, but simply connect the battery to the charging device

However, the existing battery charging devices are generally non-intelligent, and can only charge the battery according to the preset program, voltage and current, and cannot adjust the charging voltage and current according to the actual situation of the battery, and cannot give an alarm for the reverse connection of the battery , it is easy to directly damage the battery and directly shorten the normal service life of the battery

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