Multi-functional Charger with Detachable Plug and Retractable USB
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing chargers have a large volume, block sockets when plugged in, require multiple data cables for different devices, and are not portable due to their design, making them inconvenient for use and storage.
Innovation Solution
A multi-functional charger with a detachable external charging plug and retractable USB assembly, allowing for charging and data transfer with a single device, compact design, and magnetic connections for easy assembly and cable management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the charger plug is fixed on the charger body, then the connection is stable, but the charger body blocks a large area of the socket and prevents insertion of other plugs
Solution Approach 1:
The charger is divided into separate functional modules: a power adapter portion that plugs into the wall socket, and a USB charging portion with retractable cables. This segmentation allows the socket-plugging part to be compact and non-blocking while maintaining stable electrical connection through modular design.
Solution Approach 2:
The USB charging cables are extracted from the fixed charger body and made retractable, allowing them to be stored inside the charger housing when not in use. This eliminates the need for external cable management and reduces the effective area occupied by the charger.
2Ease of operation
If a long connecting cable is used to connect charger and digital products, then the charging range is extended, but the cable exposes and creates clutter when not in use
Solution Approach 1:
The USB charging cables are nested inside the charger body housing, with retractable mechanisms that allow the cables to be pulled out for charging and automatically retracted when not in use. This nesting principle eliminates cable clutter while maintaining extended charging range.
3Adaptability or versatility
If multiple data cables are carried for different electrical appliances, then compatibility with different devices is achieved, but storage space and potential winding problems increase
Solution Approach 1:
The charger incorporates multiple USB charging ports and supports various USB cable types (micro USB, USB-C, Lightning) within a single device. This multi-functionality design allows one charger to replace multiple device-specific chargers, eliminating the need to carry separate cables for different appliances.
Solution Approach 2:
Multiple charging functions and cable types are merged into a single integrated charger unit. The charger body houses multiple USB ports and retractable cables of different types, combining what would otherwise require separate devices into one unified solution.
4Adaptability or versatility
If the charger structure is designed for functionality, then charging capabilities are comprehensive, but the volume becomes large and carriage becomes difficult
Solution Approach 1:
The charger employs dynamic elements including retractable cables that extend only when needed and a compact folding structure. These dynamic features allow the charger to maintain comprehensive charging capabilities while minimizing its volume during storage and transport.
Data Source
AI summary
The multi-functional charger includes a charger body, circuit board and an external charging plug, wherein the circuit board is arranged in the charger body and electrically connected with the external charging plug; the external charging plug is detachably connected with one end of the charger body and electrically connected with the circuit board through a connecting cable; a containing cavity is formed in the charger body and used for containing the connecting cable; the charger body is further provided with at least one mounting groove, the interiors of all the mounting grooves are respectively and detachably, connected with a functional assembly, and each functional assembly are in electric connection with the circuit board; the functional assembly includes a retractable USB assembly for the cable connection and a charging power assembly for electric energy storage.