Wireless Power Transmission Device User Interface Structure
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Solution Overview
Problem
Current wireless charging technologies for vehicles with high-voltage batteries lack an interface between the wireless power transmission device and the user, as well as a communication protocol for wireless data communication between the power transmission and reception modules, which hinders efficient charging operations.
Innovation Solution
A wireless power transmission device that includes a power transmitting module, a power receiving module, and a user interface module, which controls the position of the vehicle and the power modules to align the transmitting and receiving coils for efficient power transfer, and a matching assistance module to automatically move the vehicle for precise alignment, along with a display unit to show charging progress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless power transmission is implemented without a user interface module, then the system structure remains simple, but the user cannot easily control or monitor the charging process
Solution Approach 1:
A user interface module is introduced as an intermediary component between the user and the wireless power transmission system. This module includes display units, input interfaces, and communication interfaces that enable users to control and monitor charging operations without complicating the core power transmission mechanism. The interface module acts as a mediator that handles user interactions and system feedback.
Solution Approach 2:
The user interface module is designed to perform multiple functions including displaying charging status, receiving user commands, communicating with external devices, and controlling power transmission parameters. By consolidating these diverse functions into a single modular interface unit, the system achieves ease of operation without proportionally increasing overall complexity.
2Reliability
If coil alignment is performed manually without automation, then the device structure remains simple, but the power transmission efficiency is reduced due to misalignment
Solution Approach 1:
A feedback mechanism is implemented where the system continuously monitors the alignment status between transmitting and receiving coils using position detection sensors. The user interface module receives alignment status information and provides real-time feedback to the user through display units, enabling manual adjustment while ensuring optimal power transmission efficiency through informed alignment decisions.
Solution Approach 2:
The system incorporates automatic alignment assistance where the matching assistance module autonomously adjusts vehicle position or coil orientation based on detected misalignment. This self-service capability improves power transmission efficiency by automatically correcting alignment issues without requiring complex manual intervention systems.
3Productivity
If communication protocol between power modules is not defined, then the system remains flexible, but data communication between modules cannot be performed efficiently
Solution Approach 1:
The communication protocol is segmented into distinct layers and message types, with specific protocols defined for different communication scenarios such as charging status reporting, control command transmission, and error handling. This segmentation allows efficient data communication between power modules while maintaining flexibility for future extensions without requiring a complete protocol redesign.
Solution Approach 2:
The communication system dynamically adjusts transmission parameters such as data rate, packet size, and error correction levels based on the operational state and communication requirements. This parameter adaptation enables efficient data communication across varying conditions while avoiding the need for overly complex fixed-protocol structures.
Data Source
AI summary
A wireless power transmission device may include a power transmitting module installed outside a vehicle for transmitting power, a power receiving module installed on the vehicle for receiving power from the power transmitting module, and a user interface module configured to control a position of the vehicle and the power transmitting and receiving modules so as to transmit power from the power transmitting module to the power receiving module.