Disclosed herein is an overcharge protection apparatus with minimized power consumption. An overcharge protection apparatus with minimized power consumption according to an embodiment includes a switching unit (SW1) for controlling supply of voltage detected in a battery cell depending on an ignition-on or off state of a vehicle, and an overcharge prevention circuit (102, ZD) for, when the battery cell ("cell") is overcharged based on the voltage of the battery cell output from the switching unit, turning off a main relay (RL3), thus interrupting supply of power to a battery module, so that the voltage of the battery cell is detected only in an ignition-on state of a vehicle and power consumption is minimized, thus preventing the lifespan of a battery from being shortened by reducing a voltage difference between cells. Fig. 1
OVERCHARGE PROTECTION APPARATUS WITH MINIMIZED POWER CONSUMPTION
ÜBERLADUNGSSCHUTZVORRICHTUNG MIT MINIMIERTEM LEISTUNGSVERBRAUCH
APPAREIL DE PROTECTION CONTRE LES SURCHARGES AVEC MINIMISATION DE LA CONSOMMATION D'ÉNERGIE
2019-03-13
Patent
Elektronische Ressource
Englisch
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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