To detect disconnection of an on-vehicle power network in a short time without interrupting power supply even when a vehicle is traveling.SOLUTION: A power distribution device to which power is supplied through two or more paths by a power trunk line and that supplies power to a vehicle load, includes: a current detection element for detecting a current of the power trunk line; and an inspection current control unit for controlling an amount of current flowing through a path other than the vehicle load according to an operation state of the vehicle load.SELECTED DRAWING: Figure 1A
【課題】車両が走行中でも電源供給を遮断せずに車載電力ネットワークの断線を短時間で検出する。【解決手段】電力幹線による2以上の経路で電力が供給され、車両負荷に電力を供給する電力分配装置であって、前記電力幹線の電流を検出する電流検出素子と、前記車両負荷の動作状態に応じて前記車両負荷以外の経路に流れる電流量を制御する検査電流制御部とを備える。【選択図】図1A
POWER DISTRIBUTION DEVICE AND DISCONNECTION DETERMINATION METHOD
電力分配装置、及び断線判定方法
20.09.2024
Patent
Elektronische Ressource
Japanisch
IPC: | H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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 / H04B TRANSMISSION , Übertragung |
POWER SUPPLY DEVICE AND DISCONNECTION DETECTION METHOD
Europäisches Patentamt | 2023
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