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

Claim 0:
1. A smart battery, comprising: a battery shell, layered cells, an embedded multi-source sensor group, an intelligent chip, a positive electrode and a negative electrode; wherein
the layered cells are arranged in the embedded multi-source sensor group; the intelligent chip is arranged between the positive electrode and the negative electrode; the battery shell wraps the embedded multi-source sensor group, the intelligent chip, the positive electrode and the negative electrode, and through holes for receiving the positive electrode, the negative electrode and a data interface of the intelligent chip are formed on the battery shell;
the positive electrode is electrically connected with a positive electrode of the layered cells; the negative electrode is electrically connected with a negative electrode of the layered cells;
the embedded multi-source sensor group is electrically connected with the intelligent chip; the embedded multi-source sensor group is configured to detect a temperature and a pressure of a core of the smart battery and a current inside the smart battery; the intelligent chip is configured to detect a working state of the smart battery in real time according to the temperature and the pressure of the core of the smart battery and the current inside the smart battery;
wherein
the embedded multi-source sensor group comprises a composite sensor and a Hall current sensor; the composite sensor is embedded between the layered cells, and the layered cells are arranged in the Hall current sensor;
the composite sensor comprises a thin-film temperature sensor, a fiber Bragg grating, a first backplane and a second backplane;
the fiber Bragg grating is embedded in the first backplane and the second backplane;
and grooves for receiving the fiber Bragg grating and the thin-film temperature sensor are formed in each of the first backplane and the second backplane;
the thin-film temperature sensor is arranged between the first backplane and the second backplane; and
the fiber Bragg grating and the thin-film temperature sensor are both connected with the intelligent chip; the fiber Bragg grating is configured to detect the pressure of the core of the smart battery; and the thin-film temperature sensor is configured to detect the temperature of the core of the smart battery.