Charging method and device, electronic equipment and storage medium

The invention provides a charging method and device, electronic equipment and a storage medium, a charging system comprises a molten iron transportation carrier, charging equipment and a ground management and control platform, and the method comprises the steps that when the molten iron transportation carrier reaches a preset charging position and is electrically connected with the charging equipment located at the preset charging position, the charging equipment is electrically connected with the ground management and control platform; the ground management and control platform receives the type of the power receiving unit which is uploaded by the molten iron transportation carrier and is electrically connected with the molten iron transportation carrier; the ground management and control platform compares the operation task type of the molten iron transportation carrier with the type of the electrically connected power receiving unit and determines the power supply voltage level; and the ground management a