Universal Inductive Charger Adapter with Configurable Connector
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Solution Overview
Problem
Existing inductive charging systems require device-specific receivers, limiting their adaptability to different portable electronic devices and minimizing their benefits when devices without custom-made receivers need to be charged.
Innovation Solution
A universal inductive charging system that connects to devices via standard ports like USB, using a charging attachment with a configurable connector and embedded charging circuit for charge control, overcharge protection, and temperature monitoring, allowing power and data transfer, and featuring a 'pass-through' option for external power sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If device-specific receivers are used for inductive charging, then charging efficiency is improved, but adaptability to different devices deteriorates
Solution Approach 1:
The charging attachment is designed with a universal connector that can connect to multiple device types through standard ports (USB, audio jack, etc.), eliminating the need for device-specific receivers. The attachment includes a configurable connector with multiple contact configurations that can adapt to different device interfaces, achieving both charging efficiency and broad adaptability
Solution Approach 2:
The charging attachment serves as an intermediary device between the inductive charging pad and the target device. It contains an inductive receiver coil that couples with the charging pad's transmitter coil, and a connector that interfaces with the device's standard port. This intermediary approach maintains charging efficiency while enabling compatibility with various devices through standard interfaces
2Reliability
If custom-made receivers are required for each device, then charging performance is improved, but device complexity increases
Solution Approach 1:
The inductive receiving functionality is extracted from the device itself and placed into a separate charging attachment. This allows the device to remain simple while the attachment handles the complex inductive charging circuitry, receiver coil, and multiple connector configurations. The device only needs a standard port, avoiding the need for custom-made receivers with integrated inductive coils
3Ease of operation
If wireless inductive charging is implemented, then ease of operation is improved, but adaptability to devices without custom receivers deteriorates
Solution Approach 1:
The charging attachment is designed as a universal solution that works with any device having a standard port (USB, audio jack, etc.). It maintains the ease of wireless inductive charging operation while expanding adaptability to devices without custom receivers by using standard interfaces and a configurable connector that can accommodate multiple device types
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
Enables efficient charging of various rechargeable batteries across different devices without the need for custom receivers, providing adaptable and versatile charging solutions while ensuring safety and data compatibility.
Implementation Method 1
a secondary inductor for receiving the AC signal from the primary inductor by means of magnetic induction
Data Source
AI summary
An inductive charger adapter element includes a housing, a coil comprising electrically conductive material, the coil contained within the housing, the coil configured to inductively couple to an external primary coil; and a connector supported on the housing, the connector coupled to the coil and configured to couple the inductive charger adapter element to a port provided on a device, the connector including a first pair of conductors for providing power and charging current to a battery in the device.