Charging device and method of operating the charging device

The charging device addresses the issue of space and efficiency by using a three-phase input and two-pole AC voltage system with half-bridges and switching elements to convert DC to AC, achieving compact and efficient power management with enhanced safety and flexibility.

JP2025521821AActive Publication Date: 2025-07-10ROBERT BOSCH GMBH
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Patent Information

Application Number
JP2024577215
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2022-06-28
Filing Date
2023-04-25
Publication Date
2025-07-10
Estimated Expiration
2043-04-25

AI Technical Summary

Technical Problem

Existing charging devices in vehicles are bulky and require multiple voltage converters, occupying significant space and needing improvements for efficiency and compactness.

Method used

A charging device with a three-phase input terminal unit, PFC stage, and two-pole AC voltage terminal, utilizing half-bridges and switching elements to convert DC voltage to adjustable AC voltage, enabling efficient and compact power management.

Benefits of technology

The solution provides a compact and efficient charging system that can supply multiple voltages, protect against overloads and short circuits, and simplify circuit topology, reducing space requirements and enhancing safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

A charging device for a vehicle, the charging device (500) including an input terminal unit (100) for connecting a single-phase or three-phase AC voltage on the input side, a PFC stage (200) for providing a DC voltage to an intermediate terminal (300), and a two-pole AC voltage terminal (400) for providing an AC voltage.
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Citation Information

Patent Citations

  • Configurable charging device and procedure for configuring the charging device

    DE102018207290A1

  • Configurable AC charging device

    DE102018208264A1

  • Power storage system, and control device of vehicle mounted with power storage system

    JP2013110912A

  • Electric power supply device, vehicle with the same, and control method for electric power supply device

    JP2013240241A

  • Power storage system

    JP2014087243A