SWITCHING CONTROL APPARATUS THAT PERFORMS POWER SWITCHING CONTROL FROM THE MAIN BATTERY PACK TO THE AUXILIARY BATTERY PACK ACCORDING TO THE STATE OF CHARGE OF THE MAIN BATTERY PACK IN A SMALL ELECTRIC VEHICLE AND THE OPERATING METHOD THEREOF

The present invention collects charge state information of a main battery pack used as a driving power source for a small electric vehicle at a preset cycle, determines whether there is a risk of depletion of the main battery pack based on the collected charge state information of the main battery p...

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Bibliographische Detailangaben
Hauptverfasser:	HOON IL CHOI, CHANG HOON JUNG, SUNG SU CHOI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention collects charge state information of a main battery pack used as a driving power source for a small electric vehicle at a preset cycle, determines whether there is a risk of depletion of the main battery pack based on the collected charge state information of the main battery pack, and when it is determined that the main battery pack is at risk of depletion, performs power switching control from the main battery pack to an auxiliary battery pack so that the small electric vehicle receives driving power from the auxiliary battery pack, thereby preventing depletion of the main battery pack. 본 발명은 소형 전동 차량의 구동 전원으로 사용되는 메인 배터리 팩의 충전 상태 정보를 사전 설정된 주기 간격으로 수집하고, 수집된 상기 메인 배터리 팩의 충전 상태 정보를 기초로, 상기 메인 배터리 팩이 방전될 위험이 있는지 여부를 확인하여, 상기 메인 배터리 팩이 방전될 위험이 있는 것으로 확인되면, 상기 소형 전동 차량이 보조 배터리 팩으로부터 구동 전력을 전달받도록 상기 메인 배터리 팩에서 상기 보조 배터리 팩으로의 전원 스위칭 제어를 수행함으로써, 상기 메인 배터리 팩이 방전되는 것을 사전에 방지할 수 있다.