Boost charging device and method, storage medium and vehicle

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Boost charging device and method, storage medium and vehicle

Freier Zugriff

XIA ZHULIANG / YU HAO / YAO QING / HONG YEYU / ZHAO XIAOKUN / OUYANG BIN

The invention provides a boost charging device and method, a storage medium and a vehicle, and the boost charging device comprises a DC charging interface, a three-phase inverter, a first diode, a second diode, a clutch device, a drive motor and a DC bus capacitor. The first diode is used for enabling current to flow to the power battery only from the three-phase inverter, and the output end of the three-phase inverter is connected with the driving motor; when the power supply voltage of the direct current charging pile is smaller than the charging voltage of the power battery, the clutch device is disengaged, and the three-phase inverter is used for controlling the driving motor to accelerate in a first stage and controlling the driving motor to decelerate in a second stage after the first stage, so that the voltage of the direct current bus capacitor reaches the charging voltage of the power battery in the second stage. And the power battery is charged based on the one-way conductivity of the first diode. According to the invention, boost charging can be realized, in addition, no extra inductor needs to be added, and the problem of jittering can be avoided in the charging process.

本申请提供一种升压充电装置、方法、存储介质和车辆，其中，升压充电装置包括：直流充电接口、三相逆变器、第一二极管、第二二极管、离合装置、驱动电机和直流母线电容；第一二极管用于使电流只能从三相逆变器流向动力电池，三相逆变器的输出端与驱动电机连接；当直流充电桩的供电电压小于动力电池的充电电压时，离合装置脱开，三相逆变器用于在第一阶段控制驱动电机加速，并在第一阶段之后的第二阶段，控制驱动电机减速，使直流母线电容的电压在第二阶段达到动力电池的充电电压，并基于第一二极管的单向导通性向动力电池充电。本申请能够实现升压充电，此外，本申请不需要加入额外的电感，且在充电过程中，能够避免抖动问题。

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Titel :

Boost charging device and method, storage medium and vehicle

Weitere Titelangaben:

升压充电装置、方法、存储介质和车辆

Beteiligte:

XIA ZHULIANG (Autor:in) / YU HAO (Autor:in) / YAO QING (Autor:in) / HONG YEYU (Autor:in) / ZHAO XIAOKUN (Autor:in) / OUYANG BIN (Autor:in)

Erscheinungsdatum :

2023-12-29

Medientyp :

Patent

Format :

Elektronische Ressource

Sprache :

Chinesisch

Klassifikation :

IPC:

B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen

Boost charging device and method, storage medium and vehicle

Boost charging device and method, storage medium and vehicle

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