Multi-Standard EV Charging Control for Universal Inlet Compatibility
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Solution Overview
Problem
The development of electric vehicle charging devices is hindered by the need to accommodate various country-specific and manufacturer-specific charging standards, leading to increased costs and time due to the requirement for customized designs and components.
Innovation Solution
A charging control device for electric vehicles that includes a charging inlet, a control module to determine charging modes based on received information, and a charger, which can operate in multiple modes such as combo, CHAdeMO, AC 3-phase, and GB/T modes, using semiconductor switching devices and communication protocols like PLC and CAN to communicate with EVSE and the vehicle's ECU, allowing universal application across different standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If charging devices are customized for different charging standards, then compatibility with specific standards is improved, but device complexity and development costs increase
Solution Approach 1:
The charging device incorporates multiple charging mode support (first charging mode, second charging mode, third charging mode) within a single device architecture. The control module automatically identifies the connected charging standard and switches between different operating modes, eliminating the need for multiple specialized devices while maintaining compatibility with various standards.
Solution Approach 2:
The charging device employs dynamic switching between different charging modes based on real-time detection of the connected charging standard. The control module adjusts operating parameters dynamically according to the identified standard, allowing the device to adapt its characteristics rather than being fixed for a single standard.
2Adaptability or versatility
If charging devices are customized for different charging standards, then compatibility with specific standards is improved, but development time increases
Solution Approach 1:
By designing a universal charging device that supports multiple standards through software control and mode switching, the development time is reduced compared to creating separate customized devices for each standard. The single device architecture with configurable modes accelerates deployment across different charging standards.
Solution Approach 2:
The device changes its operating parameters based on the detected charging standard, allowing a single hardware platform to serve multiple standards. This parameter-based adaptation reduces development time by avoiding the need to develop and test multiple separate device designs.
3Adaptability or versatility
If multiple charging modes are supported, then adaptability to different standards is improved, but control complexity increases
Solution Approach 1:
The control module automatically identifies the connected charging standard and selects the appropriate operating mode without requiring manual intervention or complex external control systems. This self-service capability simplifies the overall control architecture while maintaining support for multiple charging modes.
Solution Approach 2:
The system employs feedback mechanisms where the control module continuously monitors the charging connection and automatically adjusts the operating mode based on the detected standard. This closed-loop control simplifies the management of multiple charging modes by using real-time information to automatically select the appropriate configuration.
Data Source
AI summary
A device for charging an electric vehicle includes a charging inlet for receiving charging information and power from electric vehicle supply equipment (EVSE); a control module for determining a charging mode on the basis of the charging information, and outputting a control signal according to the determined charging mode; and a charging unit for charging a battery of the electric vehicle according to the control signal from the control module.