Inductive Phone Holder With Spring Biasing for Transit Charging
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Solution Overview
Problem
Public transport passengers face issues with battery drain on mobile devices during journeys, as they often lack charging cables, and there is a need for efficient charging solutions that can accommodate various phone sizes and provide robustness for public transport environments, while also enabling direct linking of passengers to their seats for e-ticketing and smart ticketing systems.
Innovation Solution
An inductive charging device with a holder featuring biasing members and a robust design to securely hold mobile phones of different sizes, integrated with iBeacon technology for location linking, ensuring easy and secure charging and communication with mobile devices, and a mounting system for secure attachment to public transport seats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a holder with adjustable arms is used to accommodate different phone sizes, then adaptability is improved, but device complexity and robustness deteriorate due to moving parts
Solution Approach 1:
The biasing members (springs) provide dynamic adaptability by automatically adjusting their compression level to accommodate different phone sizes without requiring mechanically adjustable arms. The springs compress to different degrees based on the phone size, providing a simple yet effective adaptation mechanism that maintains robustness.
Solution Approach 2:
The holder structure with biasing members automatically adapts to different phone sizes through the self-adjusting nature of compressed springs. When a phone is placed in the holder, the springs automatically compress to the appropriate level, eliminating the need for user adjustment or complex mechanical mechanisms.
2Reliability
If a robust holder structure is used for public transport environment, then reliability is improved, but adaptability to different phone sizes deteriorates
Solution Approach 1:
The rigid holder structure incorporates dynamic biasing members that allow the robust structure to adapt to different phone sizes. The springs provide the necessary flexibility within the rigid framework, enabling the holder to securely accommodate various phone dimensions while maintaining overall structural robustness for public transport environments.
3Productivity
If cable charging is provided in public transport, then charging capability is improved, but ease of operation deteriorates due to requirement of carrying charging cable
Solution Approach 1:
The patent replaces the mechanical cable connection system with an inductive charging system using electromagnetic fields. The charging pad and mobile phone communicate wirelessly through electromagnetic induction, eliminating the need for physical cable connections and significantly improving ease of operation while maintaining charging capability.
4Adaptability or versatility
If inductive charging pad is made large to accommodate various phones, then adaptability is improved, but device size and mounting complexity worsen
Solution Approach 1:
The biasing members enable a compact charging device design to accommodate various phone sizes by providing automatic mechanical adaptation. Instead of requiring a large charging surface area, the springs compress to different degrees to fit different phone dimensions, allowing a small footprint device to handle various phone sizes effectively.
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
The solution provides reliable, user-friendly inductive charging for various phone sizes, enhances passenger experience by ensuring continuous e-ticketing capabilities, and supports smart seating systems by accurately linking passengers to their occupied seats through iBeacon communication.
Implementation Method 1
inductive charging device for charging a mobile telephone
Implementation Method 2
a plurality of biasing members movable between an extended position and a retracted position, wherein the biasing members are arranged within the holder such that they are moved to the retracted position when the mobile telephone is inserted into the holder and in said retracted position apply an inwardly biasing force to the mobile telephone
Data Source
AI summary
An inductive charging device for charging a mobile telephone within a public transport vehicle comprises a body section that includes an inductive charging device. A holder is provided for holding the mobile telephone in a fixed charging position relative to the inductive charging device. The holder includes a plurality of rigid arms that are fixed in position relative to the main body, and a plurality of biasing members movable between an extended position and a retracted position. The biasing members are arranged within the holder such that they are moved to the retracted position when the mobile telephone is inserted into the holder and in said retracted position apply an inwardly biasing force to the mobile telephone to hold it in the charging position.