Embedded EV Charging Socket for Stable Wall-Mounted Installation
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Solution Overview
Problem
Conventional electric vehicle charging devices face issues such as accidental falling, space occupancy, difficulty in installation, exposure to environmental elements, and low compatibility due to specific AC and USB output ports, leading to high design costs and reduced durability.
Innovation Solution
A socket-type charging device embedded in a wall socket box, featuring a power port, connection port, controller, and reset switch, which prevents falling and enhances compatibility by allowing various charging cable types, while reducing size and installation costs through miniaturization and simplified design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the charging device is installed externally on the wall, then it is easy to install and access, but it is prone to falling off due to external forces such as collision and pulling
Solution Approach 1:
The charging device is segmented into a wall-mounted base unit and a detachable charging head. The base unit is embedded in the wall to provide stable mounting, while the charging head can be detached for cleaning or replacement, resolving the contradiction between stability and maintenance accessibility.
Solution Approach 2:
The charging device transitions from a surface-mounted external box to an embedded wall socket design. By moving the main body into the wall dimension, the device gains structural stability while reducing external exposure to forces that could cause falling.
2Object-affected harmful factors
If the charging device is made bulky to increase protection specifications, then it becomes more waterproof and dustproof, but it occupies more space and has higher design cost
Solution Approach 1:
The charging components are nested within the wall cavity rather than protruding outward. The socket box is embedded in the wall, with only the essential connection port exposed, dramatically reducing the external footprint while maintaining full protective functionality within the wall structure.
Solution Approach 2:
The protective housing functions are extracted from the external visible portion and integrated into the wall embedding structure. The wall itself provides the protective enclosure, eliminating the need for a bulky external protective shell.
3Adaptability or versatility
If the charging device uses specific AC and USB output ports, then it provides dedicated charging functionality, but compatibility between various brands is low
Solution Approach 1:
The socket box is designed with universal compatibility to accommodate multiple types of charging cables and connectors. Rather than providing separate dedicated ports for each cable type, the embedded socket structure can adapt to various charging standards, enabling one device to serve multiple functions and brands.
4Reliability
If the charging device is exposed to wind, sun, and rain outdoors, then it must be made highly waterproof and dustproof, but this increases the device size and weight
Solution Approach 1:
The protective functions are merged with the wall structure itself. The wall provides the waterproof and dustproof enclosure, eliminating the need for a separate heavy protective housing. The charging device becomes an integral part of the wall rather than an external addition requiring its own protection systems.
Data Source
AI summary
A socket-type charging device is disposed in an accommodation space of a socket box, and the socket box is embedded in a wall. The socket-type charging device includes a power port, a connection port, a controller, and a reset switch. The power port is coupled to a power wire through the socket box. The connection port connects a charging cable of charging and discharging an electric vehicle. The controller confirms an operating mode of charging and discharging the electric vehicle by the socket-type charging device.