In at least one embodiment of the present disclosure, the system comprises a main battery fixedly mounted in the vehicle and configured to be a high voltage battery and supply power to a drive motor driving wheels of the vehicle, the main battery comprising a battery sensor configured to sense current or voltage of the main battery, a lower voltage battery mounted in the vehicle and configured to be a battery of a lower voltage than that of the main battery, a first DC-DC converter electrically connected between the main battery and the lower voltage battery to supply charge power from the main battery to the lower voltage battery and configured to supply power converted from the main battery to at least an electrical device in the vehicle, a second DC-DC converter electrically connected to the main battery to supply charge power thereto, a connector electrically connected to the second DC-DC converter and configured to allow the auxiliary battery to be detachably connected thereto such that the auxiliary battery is capable to supply charge power to the main battery, and a control unit configured to, when a failure of the battery sensor is identified, control the second DC-DC converter to supply the charge power from the auxiliary battery to the main battery based on estimated consumption power of the main battery.
METHOD AND SYSTEM FOR CONTROLLING BATTERY OF VEHICLE, AND VEHICLE THEREOF
2024-05-23
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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