PROTECTION METHOD AND DEVICE FOR BATTERY PACK OF HYBRID VEHICLE

The present invention relates to the technical field of vehicles, and provides a protection method and device for a battery pack of a hybrid vehicle. The method comprises: receiving a charging request signal at least once, the charging request signal being generated when a hybrid vehicle is in a dormant state and a battery management system determines that a state of charge of a battery pack is less than or equal to a first preset value, wherein the battery management system determines the state of charge of the battery pack at every first preset period of time; in response to the charging request signal, sending an engine starting request to a user, and upon the number of times of sending the engine starting request reaches a preset number of times, controlling the battery management system to stop determining the state of charge of the battery pack at every first preset period of time; and when an engine starting signal is received from the user, controlling an engine to be started to charge the battery pac