Multi-functional charger with universal plug interface
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Solution Overview
Problem
Conventional chargers face issues with electrical connections being prone to open circuits or short circuits, and they are inconvenient to assemble, with limited compatibility for different types of plugs, leading to poor user experience.
Innovation Solution
A multi-functional charger design featuring a two-phase mother plug and child plug system with a latching mechanism, conducting members, and a printed circuit board (PCB) for stable electrical connections, allowing easy assembly and compatibility with various plug types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a power plug is electrically connected to the printed circuit board through wires, then electrical connection is achieved, but it is easy to be open circuited or short circuited and inconvenient to be assembled
Solution Approach 1:
The patent replaces the traditional wire-based mechanical electrical connection with a direct PCB-mounted power plug structure. The power plug is integrated onto the PCB through soldering or other electrical connection methods, eliminating the need for separate wire connections. This integration reduces the number of connection points, thereby lowering the risk of open circuits or short circuits while also simplifying the assembly process.
2Adaptability or versatility
If the charger only has one type of plug, then the structure is simple, but it may not able to fit other types of plugs and is inconvenient to use
Solution Approach 1:
The patent designs the charger with a universal power plug structure that can accommodate multiple plug types. The power plug is configured with a standardized interface and adjustable components that allow it to fit different plug configurations (e.g., two-hole, three-hole, ground pins). This multi-functional design enables a single charger to serve multiple purposes without requiring multiple specialized plugs, thereby improving adaptability while maintaining reasonable structural simplicity.
Data Source
AI summary
A multi-functional charger includes an upper housing, a lower housing, a receiving cavity, a PCB, a two-phase mother plug, and a child plug. The receiving cavity is defined between the upper housing and the lower housing. An opening is defined in a side of the upper housing and the lower housing. The PCB is located in the receiving cavity. The multi-functional charger can use conducting member to couple to the PCB, the circuit may be more stability and more safety. It is easy to be assembled, and a various type of child plugs can be coupled to the mother plug. It is also easy to use with good user experience.