Power battery, power device and automobile

The utility model discloses a power battery, a power device and an automobile, a battery module is arranged in a heating cavity formed in an electromagnetic coil, and when the battery module needs to be heated, a control module converts battery voltage output by the battery module into alternating c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIN PEIJIANG, ZHANG MING
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a power battery, a power device and an automobile, a battery module is arranged in a heating cavity formed in an electromagnetic coil, and when the battery module needs to be heated, a control module converts battery voltage output by the battery module into alternating current and outputs the alternating current to the electromagnetic coil. When alternating current passes through the electromagnetic coil, an alternating magnetic field is generated in the battery module, so that heat energy is generated in the battery module, and the temperature of the battery module is increased. The heating of the battery module is carried out in the battery module, so that the heating amount can act on the battery module to the maximum extent, and the heating loss is reduced. Besides, the electromagnetic coil surrounds the battery module, so that alternating magnetic lines generated after the electromagnetic coil is electrified by alternating current can uniformly penetrate through the battery m