PROBLEM TO BE SOLVED: To provide a device to protect a relay circuit inside a charging device by sensing occurrence of a charging interruption element such as a short circuit or ground fault during vehicle charging.SOLUTION: A vehicle charging device is connected between an external power source and a vehicle and provides power for vehicle charging. The vehicle charging device includes: a sensing unit sensing whether a current to be provided to the vehicle is in a normal range; a relay unit selectively cutting off a current passing through the sensing unit from being supplied to a vehicle side; a bypass unit connected to the relay unit in parallel and selectively configuring a bypass circuit for the current passing through the sensing unit; and a controller controlling operations of the bypass unit and relay unit according to a current value measured through the sensing unit.SELECTED DRAWING: Figure 2
【課題】車両充電中に短絡や地絡のような充電妨害要素の発生を感知して充電装置内部のリレー回路を保護する装置を提供する。【解決手段】車両を充電するための電力を供給するために外部電源と車両との間に連結される車両充電装置であって、車両に供給される電流の正常範囲の可否を感知するための感知部と、感知部を通過した電流が車両側に供給されることを選択的に遮断するリレー部と、リレー部と並列に連結されて感知部を通過した電流に対するバイパス回路を選択的に形成するバイパス部と、感知部を介して測定される電流値に応じてバイパス部とリレー部の動作を制御する制御部と、を含む。【選択図】図2
VEHICLE CHARGING DEVICE AND METHOD FOR PROTECTING INTERNAL CIRCUIT OF DEVICE
車両充電装置及び装置の内部回路の保護方法
23.09.2016
Patent
Elektronische Ressource
Japanisch
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