Shared EV Charger Access and Fee Control on Private Land
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Solution Overview
Problem
There is a limitation in securing electric vehicle charging infrastructure for public chargers in urban centers, residential areas, and commercial districts due to high installation costs and regional limitations, necessitating the common use of non-public chargers installed on private land.
Innovation Solution
A charging system and method that incentivizes individuals to share their non-public electric vehicle chargers with the public by using a host terminal, a charging point operator server, and user terminals to manage the sharing, usage fees, and operational modes of the shared chargers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If public chargers are installed in urban centers, residential areas, and commercial districts, then electric vehicle charging infrastructure is improved, but installation costs increase and regional limitations arise
Solution Approach 1:
The charging infrastructure is segmented into public chargers (operated by charging point operators) and shared chargers (installed by individuals on private land). This segmentation allows the system to leverage existing private land resources without requiring expensive new infrastructure installation in every urban area, thereby reducing overall installation costs while improving charging availability.
Solution Approach 2:
The shared charger system serves multiple functions: it provides charging services to the public during non-peak hours, generates additional income for landowners, and supplements the public charging network. This multi-functionality allows the same physical infrastructure to serve both private and public needs, maximizing resource utilization without requiring separate installations.
2Adaptability or versatility
If non-public chargers are shared with the public, then charging infrastructure availability increases, but management complexity increases
Solution Approach 1:
A charging point operator server acts as an intermediary between shared chargers and users. The server handles user authentication, charging session management, fee calculation, and communication between hosts and users. This intermediary layer abstracts the complexity from individual hosts while enabling sophisticated sharing capabilities and public access management.
Solution Approach 2:
The system implements feedback mechanisms where the charging point operator server provides hosts with information about charger usage, revenue generation, and system status. This feedback loop enables automated management decisions and allows hosts to optimize their sharing parameters without manually monitoring complex system states.
3Ease of operation
If non-public chargers are made available to the public, then charging accessibility improves, but fee determination complexity increases
Solution Approach 1:
The fee calculation system operates autonomously through the charging point operator server, which automatically determines usage fees based on pre-established parameters such as charging duration, energy consumed, and host-defined pricing strategies. Users simply initiate charging sessions without manual negotiation, and the system self-calculates and processes payments, eliminating complex human-mediated fee determination.
Data Source
AI summary
An electric vehicle charging system including a host terminal on which a host application that receives instructions on an operating mode of a shared charger and an additional fee for use of the shared charger is installed; and a charging point operator server for calculating a charger usage fee based on a shared charging fee obtaining by adding a predetermined base fee to the additional fee provided from the host terminal, and a usage time of the shared charger by a user. The charging point operator server may receive, from a user terminal of the user, a sharing change request requesting a change of an operating mode of the shared charger to a sharing mode in which the public charger is available to the user, and transmit the sharing change request to the host terminal.