Retractable Wireless Charger Layout for Thin Stable Cable Connection
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Solution Overview
Problem
Existing wireless charging devices with retractable cables face issues of increased thickness, complex structure, poor electrical stability, and short service life due to the integration of wireless charging modules with housing assemblies and the need for additional connecting elements.
Innovation Solution
A lightweight wireless charging device design where the wireless charging module is directly installed on the wheel core, allowing it to rotate synchronously, eliminating the need for housing assembly contact and additional connectors, and utilizing a clockwork spring embedded within the wheel core to reduce thickness and enhance stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the wireless charging module is installed on the housing assembly, then the electrical connection can be achieved, but the overall thickness of the product increases significantly
Solution Approach 1:
The wireless charging module is moved from the housing assembly to the rotating assembly, changing its spatial dimension from a fixed position to a rotating position. This allows the module to rotate synchronously with the wheel core, eliminating the need for additional connecting elements and reducing the overall thickness of the product while maintaining electrical connection reliability.
2Reliability
If additional connecting elements such as adapter plates and connectors are used to connect the wireless charging module, then the electrical connection can be achieved, but the structure becomes more complicated and cost increases
Solution Approach 1:
The wireless charging module is directly integrated with the wheel core in the rotating assembly, merging the charging function with the retractable cable mechanism. This eliminates the need for separate adapter plates, connectors, and sliding rings, significantly simplifying the structure and reducing manufacturing costs while ensuring stable electrical connection.
3Ease of operation
If the clockwork spring cavity is arranged between the bottom housing and the wheel core, then the retractable cable mechanism can function, but the overall thickness of the product increases
Solution Approach 1:
The clockwork spring cavity is nested within the rotating assembly, specifically integrated into the wheel core structure. This nested design allows the clockwork spring to be housed within the existing rotating components, eliminating the need for a separate cavity between the bottom housing and wheel core, thereby reducing the overall thickness of the product.
4Reliability
If steel ball locating structure or track plate with track groove is used to locate the extended data cable, then the cable positioning can be achieved, but the overall structure becomes complicated and thickness increases
Solution Approach 1:
The locating function is extracted from complex mechanical structures (steel balls or track plates) and integrated directly into the wheel core through a locating groove. This simplified design allows the extended data cable to be located effectively without adding structural complexity or increasing product thickness.
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 design results in a more compact, cost-effective, and stable electrical connection with a longer service life, reducing the overall product thickness by half compared to conventional devices.
Implementation Method 1
the clockwork spring is connected with the mounting shaft in the center of the bottom housing and the other end is connected with a rotating element, the wheel core is installed on the rotating element and utilizes the potential energy of the clockwork spring to drive the rotating element to rotate
Data Source
AI summary
The present invention discloses a lightweight wireless charging device with a retractable cable, comprising a housing assembly, a wireless charging module, a retractable cable and a rotating subassembly; the rotating subassembly comprises a wheel core and a clockwork spring, the wireless charging module is directly installed on the wheel core and does not come into contact with the housing assembly; the retractable cable passes through the wheel core and is electrically connected with the wireless charging module. Such design eliminates the need to install a wireless charging module on the housing assembly and allows the wireless charging module to be embedded in the housing assembly, and thus reduces the overall thickness of the product.