A relay control apparatus according to the present disclosure is for a relay including a contact connected between a positive electrode of a battery and a load; and a coil connected between a relay power terminal and a ground wherein the contact moves to a closed position when the coil is energized. The relay control apparatus includes a coil control switch which is turned on in response to a first switching signal having a voltage level that is equal to or higher than a first threshold voltage in response to a relay on-command; and a relay holding circuit configured to store emergency power using power supplied from the battery.
RELAY CONTROL DEVICE, BATTERY PACK, AND ELECTRIC VEHICLE
RELAISSTEUERUNGSVORRICHTUNG, BATTERIEPACK UND ELEKTROFAHRZEUG
DISPOSITIF DE COMMANDE DE RELAIS, BLOC-BATTERIE, ET VÉHICULE ÉLECTRIQUE
2024-04-24
Patent
Elektronische Ressource
Englisch
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01H Elektrische Schalter , ELECTRIC SWITCHES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / 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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