DC Charging Distribution Unit With Power Sharing for Flexible Wiring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional DC charging systems lack flexibility in adapting to changing power outlet needs, with 'all-in-one' and 'split-system' configurations requiring extensive wiring and complex switch matrices, limiting scalability and efficiency.
Innovation Solution
A DC charging distribution unit with a primary-side terminal, secondary-side DC vehicle connection terminal, and a current distributor that allows for vehicle-charging and power-sharing configurations, enabling modular and flexible power distribution through switch assemblies and power converters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional all-in-one or split-system DC charging configurations are used, then power distribution is established, but wiring complexity and system rigidity increase
Solution Approach 1:
The system divides the charging infrastructure into modular distribution units that can be independently configured and connected. Each distribution unit handles a specific subset of power outlets, allowing the system to be scaled and reconfigured by adding or removing individual units rather than redesigning the entire wiring system.
Solution Approach 2:
The switch matrix within each distribution unit enables dynamic reconfiguration of power connections. The system can adaptively route power to different outlets based on real-time demands, allowing flexible adaptation to changing charging needs without physical rewiring.
2Adaptability or versatility
If conventional switch matrices are used for power allocation, then power distribution is achieved, but system flexibility and scalability are reduced
Solution Approach 1:
The overall switch matrix is segmented into multiple smaller switch matrices distributed across different distribution units. This segmentation allows each unit to independently manage its local power allocation, providing flexibility while reducing the complexity of any single control unit.
Solution Approach 2:
Each distribution unit is designed with universal functionality to handle multiple power outlets and support various charging configurations. The standardized interface and modular design allow the same unit type to serve different purposes depending on how it is connected and configured within the system.
3Adaptability or versatility
If modular distribution units are implemented, then flexibility and scalability are improved, but device complexity increases
Solution Approach 1:
The system is divided into standardized modular distribution units that can be replicated and combined. While the total number of units increases, each unit maintains simple internal architecture, and the overall system complexity is managed through standardized interfaces and configuration protocols.
Solution Approach 2:
Multiple distribution units can be combined to form a unified charging system. The units work together through standardized communication and power interfaces, allowing the system to achieve high flexibility and scalability while each individual unit remains relatively simple in design.
Data Source
AI summary
A DC charging distribution unit includes a first primary-side terminal for receiving a first input current from a power unit, a secondary-side DC vehicle connection terminal connectible to a vehicle for providing a vehicle charging current, a first secondary-side power sharing terminal connectible to another DC charging distribution unit for providing a sharing current to the other DC charging distribution unit, and a current distributor operably selected between a vehicle-charging configuration and a power-sharing configuration.A DC charging system includes at least one power unit including at least one power terminal and at least a first and second distribution unit. The distribution units are each spaced apart from the power unit by at least a first distance. The neighboring distribution units are spaced from each other by a second distance and are connected to one another at their secondary-side power sharing terminals and are electrically connected, to the power unit.