Patent ID: 8150570

Claim:
An auto management system for an air filter used in a battery pack having at least one cell and a case accommodating each of the cells so that there is secured an air flow passage between the neighboring cells and provided with an air inlet at one side thereof and an air outlet at the other side thereof, the system comprising: an air filter detachably mounted outside the case housing of the battery pack at the air inlet; a blowing fan provided to one of the air inlet and the air outlet; a flux sensor mounted at one of the air inlet and the air outlet to which the blowing fan is not equipped and detecting an air flow introduced into the case or discharged from the case; a control unit connected to the cells of the battery pack, the blowing fan and the flux sensor, respectively, measuring currents, voltages and temperatures of the respective cells and electrically controlling the blowing fan and the flux sensor; and a notifying means connected to the control unit and notifying an operator or user of a non-mounted state or replacement time of the air filter, wherein the auto management system further comprises a temperature sensor electrically connected to the control unit and arranged adjacent to the flux sensor, and wherein the air inlet is provided to one of the main body and the cover of the case.