PROBLEM TO BE SOLVED: To provide an electric power supply device capable of restraining discharging of a battery for an auxiliary machine even if electric equipment is automatically started.SOLUTION: An electric power supply device 1 supplies electric power to a fog lamp 2 which is supplied with electric power from a battery 7 for an auxiliary machine and is automatically lighted when a relationship between a quantity of mist around a vehicle and a vehicle speed satisfies a lighting condition. The electric power supply device 1 comprises a DCDC converter 6 for generating electric power by stepping-down a high voltage battery 8 and supplying the electric power to the fog lamp 2, a mist quantity acquisition unit 3a for acquiring the quantity of mist around the vehicle using a humidity detected by a humidity sensor 30 and a temperature detected by a temperature sensor 31, a vehicle speed sensor 40 for detecting a vehicle speed, and an electric power control unit 4b for by making the DCDC converter 6 generate the electric power for the fog lamp 2 when the relationship between the quantity of mist and the vehicle speed satisfies a lighting preparation condition which is less strict than the lighting condition.SELECTED DRAWING: Figure 1
【課題】電装品が自動的に起動されたとしても補機用バッテリの放電を抑制することが可能な電力供給装置を提供する。【解決手段】電力供給装置1は、補機用バッテリ7から電力が供給され、車両の周辺の霧量と車速との関係が点灯条件を満たした場合に自動的に点灯されるフォグランプ2に電力を供給する。この電力供給装置1は、高電圧バッテリ8を降圧して電力を生成し、フォグランプ2に電力を供給するDCDCコンバータ6と、湿度センサ30で検出された湿度と温度センサ31で検出された温度を用いて車両の周辺の霧量を取得する霧量取得部3aと、車速を検出する車速センサ40と、霧量と車速との関係が点灯条件より緩和された点灯準備条件を満たした場合にDCDCコンバータ6にフォグランプ2用の電力を生成させる電力制御部4bとを備える。【選択図】 図1
ELECTRIC POWER SUPPLY DEVICE
電力供給装置
04.10.2018
Patent
Elektronische Ressource
Japanisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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