PROBLEM TO BE SOLVED: To provide a technique related to a power converter for an electric automobile, the technique for protecting a transformer from a collision shock at a collision, the transformer included in a power circuit used for driving a discharge circuit for a smoothing capacitor.SOLUTION: A power converter includes: a capacitor (a capacitor element 62) for smoothing a current of a DC power supply; a discharge circuit (a sub-circuit board 65); a transformer 34; and a capacitor case 61. The discharge circuit discharges the capacitor when a collision is detected. The transformer converts power stored in the capacitor into power for driving; The capacitor case 61, made of plastic, houses the capacitor. The transformer 34 is surrounded by walls 61c disposed vertically on a lower surface of the case 61 that houses the capacitor.SELECTED DRAWING: Figure 4
【課題】本明細書は、電気自動車用の電力変換器に関し、衝突時に平滑化コンデンサの放電回路を駆動するための電源回路に含まれるトランスを衝突の衝撃から保護する技術を提供する。【解決手段】電力変換器は、直流電源の電流を平滑化するためのコンデンサ(コンデンサ素子62)と、放電回路(サブ基板65)と、トランス34と、コンデンサケース61を備える。放電回路は、衝突検知時にコンデンサを放電する。トランスは、コンデンサに蓄えられた電力を放電回路の駆動用電力に変換する。コンデンサケース61は、樹脂で作られており、コンデンサを収容する。トランス34は、コンデンサを収容するケース61の下面に立設されている壁61cに囲まれている。【選択図】図4
POWER CONVERTER FOR ELECTRIC AUTOMOBILE
電気自動車用の電力変換器
2016-05-30
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
Power converter of electric automobile and control method of power converter
European Patent Office | 2023
|Electric automobile power distribution system and electric automobile
European Patent Office | 2022
|POWER RECEPTION CIRCUIT FOR ELECTRIC AUTOMOBILE AND ELECTRIC AUTOMOBILE
European Patent Office | 2024
|Hybrid power assembly for electric automobile and electric automobile
European Patent Office | 2024
|Power supply system for electric automobile and electric automobile
European Patent Office | 2021
|