Patent ID: 11894526
Assignee: BEIJING INSTITUTE OF TECHNOLOGY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 2:
3. The smart battery of claim 1, wherein the intelligent chip comprises: a Hall current processing unit, a composite sensing modulation and demodulation unit and a central processing unit; wherein
the Hall current processing unit is electrically connected with the Hall current sensor; the composite sensing modulation and demodulation unit is electrically connected with the composite sensor; the Hall current processing unit and the composite sensing modulation and demodulation unit are both electrically connected with the central processing unit; and
the Hall current processing unit is configured to demodulate a sensing signal obtained by the Hall current sensor to obtain the current of the smart battery; the composite sensing modulation and demodulation unit is configured to demodulate a change of a central wavelength of the fiber Bragg grating to obtain the pressure of the core of the smart battery and to demodulate a virtual voltage signal obtained by the thin-film temperature sensor to obtain the temperature of the core of the smart battery; the central processing unit is loaded with a battery working state management algorithm for determining the battery working state and a multi-dimensional safety signal warning logic algorithm; and the central processing unit determines the working state and a safety state of the smart battery according to signals obtained by the Hall current processing unit and the composite sensing modulation and demodulation unit.