Early warning method, device and equipment for short circuit in battery and storage medium

• Main Authors: ZHENG YING, YU CHENG, LAI HUANHUAN, LI ZONGHUA, LI DONGJIANG
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PERFORMING OPERATIONS; PHYSICS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; TESTING; TRANSPORTING; VEHICLES IN GENERAL

The invention relates to a battery internal short circuit early warning method, device and equipment and a storage medium, and relates to the technical field of vehicles. The method comprises the steps of obtaining basic parameters of a battery pack in a target vehicle, and determining a target state of the battery pack based on the basic parameters; based on the basic parameters of the battery pack and a target preset algorithm, determining target parameters of each battery monomer when the battery pack is in a target state; and sending early warning information based on the target parameter when the battery pack is in the target state. Therefore, the early warning information can be sent out based on the target parameters when the battery pack is in different target states, and the technical problems that when the internal short circuit state of the battery can only be judged based on the internal short circuit parameters when the battery pack is in one state, the judgment of the internal short circuit stat