PROBLEM TO BE SOLVED: To provide an auxiliary power unit for vehicle that comprises a power storage device which is grounded and connected to a main power supply of a vehicle, and that can supply electric power continuously to an electrical accessory upon demand even if wiring connecting the power storage device and the electrical accessory to each other short-circuits.SOLUTION: An auxiliary power unit 10 for vehicle comprises: a power storage device 21 which is grounded and connected to a main power supply 3 of a vehicle; wiring lines 4c, 4d which connect nodes 21a, 21b provided at both end parts of the power storage device 21 and an electric load 5 of an electrical accessory to each other; and a current limiting part 22 which is connected in series between a ground point Gr of the power storage device 21 and a ground point-side node of the power storage device 21.SELECTED DRAWING: Figure 2
【課題】接地され且つ車両の主電源に接続された蓄電装置を備えた車両用補助電源装置であって、蓄電装置と電装品とを接続する配線にショートが生じた場合でも、要求に応じて電装品に引き続き電力を供給できる車両用補助電源装置を提供する。【解決手段】車両用補助電源装置10は、接地され且つ車両の主電源3に接続された蓄電装置21と、蓄電装置21の両端部に設けられたノード21a,21bと電装品の電気負荷5とを接続する配線4c,4dと、蓄電装置21の接地点Grと蓄電装置21の接地点側ノードとの間に直列に接続された電流制限部22とを備える。【選択図】図2
AUXILIARY POWER UNIT FOR VEHICLE
車両用補助電源装置
2018-05-10
Patent
Electronic Resource
Japanese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |