Adjustable Charging Coil Matching for Multi-Device Wireless Charging
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Solution Overview
Problem
The existing charging apparatuses are inefficient and cumbersome due to the need for multiple devices to accommodate different electronic device types, leading to reduced charging efficiency and increased space occupation, as they often have mismatched coil sizes.
Innovation Solution
A charging apparatus with a housing containing a first charging coil, a device detection module, and a coil adjusting module, which detects the type of device and adjusts the coil size to match the device's coil, enabling efficient charging of various electronic devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple charging apparatuses are used to accommodate different electronic device types, then compatibility with various devices is improved, but space occupation and device complexity increase
Solution Approach 1:
The charging apparatus is designed with a universal charging coil that can charge multiple types of electronic devices (smartphones, tablets, wearables) with different coil sizes through dynamic adjustment, eliminating the need for multiple dedicated charging devices for different device types
Solution Approach 2:
The charging coil's size is made dynamically adjustable through a control module that receives device type information and automatically modifies the coil dimensions to match the detected device, enabling a single apparatus to adapt to various device sizes
2Device complexity
If a single charging apparatus is used to charge multiple electronic devices of different types, then device complexity is reduced, but charging efficiency deteriorates due to coil size mismatch
Solution Approach 1:
The charging coil dynamically adjusts its size based on the detected device type, transforming from a static fixed-size coil to a dynamic adjustable coil that optimizes coupling with the device's charging coil, thereby maintaining high charging efficiency across different device types
Solution Approach 2:
The physical parameter of the charging coil (size/dimensions) is changed based on device type information, allowing the coil to optimize its dimensions for maximum coupling efficiency with different device coils, thus preventing efficiency loss that would occur with a fixed-size coil
3Device complexity
If the charging coil size is fixed, then device complexity is reduced, but adaptability to different device types deteriorates
Solution Approach 1:
The charging coil structure transitions from a fixed static design to a dynamic adjustable design where the coil dimensions can be modified in real-time based on device type detection, enabling compatibility with multiple device types without significantly increasing structural complexity
Solution Approach 2:
The coil size parameter is made variable rather than fixed, allowing the system to optimize the coil dimensions for each device type detected, thereby achieving high adaptability while maintaining relatively simple control through automated parameter adjustment
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution allows for efficient charging of multiple electronic device types with a single apparatus, improving compatibility and reducing space and production costs by dynamically adjusting the coil size to match the device's coil, thereby enhancing charging efficiency.
Implementation Method 1
a first charging coil... configured to adjust a size of the first charging coil... enabling an adjusted size of the first charging coil to match a size of a second charging coil in the to-be-charged device
Data Source
AI summary
A charging apparatus, a charging method, and an electronic device. The charging apparatus includes a housing, a first charging coil, a device detection module, and a coil adjusting module. The first charging coil, the device detection module, and the coil adjusting module are all disposed in the housing. The device detection module is connected to the coil adjusting module and configured to detect a device type of a to-be-charged device placed on an outer surface of the housing to obtain target device type information, and send the target device type information to the coil adjusting module. The coil adjusting module is connected to the first charging coil and configured to adjust a size of the first charging coil based on the target device type information.