The invention relates to a pre-charging device based on a vehicle-mounted DCDC and a vehicle comprising the pre-charging device based on the vehicle-mounted DCDC. According to one aspect of the invention, the pre-charging device based on the vehicle-mounted DCDC comprises a current doubling module which is connected to the primary side of a transformer and comprises a first power switch and a current detection unit; and the rectification module is connected between the secondary side of the transformer and the bus capacitor, and the first power switch is switched on or switched off in response to the current detected by the current detection unit.
本发明涉及一种基于车载DCDC的预充电装置及包括所述基于车载DCDC的预充电装置的车辆。按照本发明一个方面的基于车载DCDC的预充电装置包括倍流模块,其连接于变压器原边并且包括第一功率开关和电流检测单元;以及整流模块,其连接于变压器副边与母线电容之间,其中,所述第一功率开关响应于所述电流检测单元检测的电流而导通或断开。
Pre-charging device based on vehicle-mounted DCDC and vehicle
基于车载DCDC的预充电装置及车辆
2022-07-29
Patent
Electronic Resource
Chinese
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
DCDC converter, vehicle-mounted charging device, vehicle-mounted charging system and vehicle
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