Motor voltage-boosting charging device, voltage-boosting charging method, apparatus, electronic device, and electric vehicle

By using a motor boost charging device, which utilizes a motor inverter and control unit to control the motor current, the problem of DC charging piles being unable to provide high voltage is solved, thus enabling effective charging of high-voltage power batteries.

CN117681689BActive Publication Date: 2026-07-10GAC AION NEW ENERGY AUTOMOBILE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GAC AION NEW ENERGY AUTOMOBILE CO LTD
Filing Date
2023-12-29
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing DC charging stations cannot provide high voltage and therefore cannot charge high-voltage power batteries.

Method used

The motor boost charging equipment uses a motor inverter and control unit to control the increase and decrease of the motor current, enabling the motor windings to store and release energy, raising the voltage across the capacitor, and ultimately providing high-voltage charging to the battery pack.

Benefits of technology

It achieves compatibility with DC charging piles that cannot provide high voltage, effectively charging the battery pack and meeting the needs of high-voltage power batteries.

✦ Generated by Eureka AI based on patent content.

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    Figure CN117681689B_ABST
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Abstract

The application provides a motor voltage boosting charging device, a voltage boosting charging method and device, an electronic device and an electric vehicle. The motor voltage boosting charging device comprises a motor inverter, a direct current charging interface, motor windings, a first capacitor, a first diode, a second diode, a control switch and a control unit. One end of the control switch is connected with the motor inverter, and the other end is connected with a battery pack. The control unit is connected with the motor inverter and is used for outputting a first control signal and a second control signal to the motor inverter. The first control signal is used for increasing the motor current, and the second control signal is used for reducing the motor current. The application can be compatible with a direct current charging pile that cannot provide a high voltage required by the battery pack, so that the direct current charging pile can charge the battery pack.
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