Modular Wall Switch Faceplate Layout for Safe Décor Changes
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Solution Overview
Problem
Conventional electrical switch devices face issues such as inefficient space usage, tedious and costly installation, misalignment during multi-gang installations, exposure to shock hazards during décor changes, and drawbacks like degradation and arcing in relay switches, as well as difficulty in finding switches in dark environments.
Innovation Solution
A modular electrical switching system with a housing assembly, relay switch, and interchangeable modules that include a user interface, sensitivity adjustment, and a sensor detector to ensure safe and efficient operation, along with an antenna assembly to prevent exposure to electrical hazards and improve usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional one-size-fits-all device box designs are used, then electrical wiring devices can be installed, but space efficiency is reduced and installation becomes more complex
Solution Approach 1:
The electrical wiring device is divided into separate modular components: a device body and a removable faceplate. This segmentation allows the device body to be compactly designed while the faceplate provides the necessary mounting interface, improving space utilization without increasing installation complexity
Solution Approach 2:
The device body is designed with universal mounting features that can accommodate different faceplate configurations and device box types. This multi-functionality allows the same device body to be installed in various scenarios, improving space efficiency while maintaining simple installation procedures
2Reliability
If ground strap and cover plate mounting are performed in conventional manner, then electrical connection is established, but installation becomes tedious and time-consuming
Solution Approach 1:
The ground strap mounting features are integrated directly into the device body structure, combining the grounding function with the main device housing. This eliminates the need for separate ground strap installation steps, reducing installation time while maintaining reliable electrical connection
Solution Approach 2:
The device body includes self-aligning and self-securing features for the faceplate and grounding connections. These self-service mechanisms automatically ensure proper alignment and secure attachment during installation, reducing the skill level and time required while maintaining connection reliability
3Ease of operation
If conventional electrical devices are used in multi-gang installations, then devices can be mounted, but alignment becomes ragged and aesthetic quality deteriorates
Solution Approach 1:
The device body incorporates asymmetric alignment features with slight tolerances built into the design. These asymmetric elements provide self-aligning capability that compensates for variations in device box positioning, ensuring consistent alignment across multiple devices in multi-gang installations while maintaining installation flexibility
4Adaptability or versatility
If faceplate cover is removed for décor changes, then aesthetic updates can be made, but exposure to shock hazard from hot electrical wiring occurs
Solution Approach 1:
The device is segmented into an energized device body and a removable unenergized faceplate. This segmentation allows users to remove and replace faceplates for décor changes while the device body remains enclosed and safe, providing adaptability without exposing users to shock hazards from hot electrical wiring
Solution Approach 2:
The faceplate acts as an intermediary protective barrier between the user and the energized electrical components. Users can remove this intermediary for décor changes without directly exposing themselves to the electrical hazard, as the device body maintains its enclosed protective structure
5Ease of operation
If relay switches with solenoids are used, then switching function is achieved, but degradation, fatigue, arcing and excessive leakage current occur
Solution Approach 1:
The mechanical solenoid actuation system is replaced with a solid-state electronic switching mechanism. This substitution eliminates the moving parts that cause degradation, fatigue, and arcing in relay switches, while maintaining the switching function through electronic control, thereby improving switch durability and reliability
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 modular system addresses space inefficiency, simplifies installation, ensures alignment, reduces shock hazards, and enhances safety and usability by allowing décor changes without exposing users to electrical risks, while improving switch reliability and reducing arcing.
Implementation Method 1
Some of the drawbacks associated with relay switches relate to degradation, fatigue, undesired arcing and excessive leakage current to ground
Implementation Method 2
an antenna assembly to prevent exposure to electrical hazards and improve usability
Data Source
AI summary
The present invention is directed to an electronic switch device, the device including a housing assembly including a front cover assembly having a user accessible surface, a back body assembly, terminals configured to be coupled to an AC power source and the load; an antenna assembly including an antenna substrate disposed inside the housing assembly adjacent a portion of the front cover assembly, an antenna being disposed on the antenna substrate having a conductive grid structure; and a circuit assembly disposed inside the housing assembly coupled to the terminals, the circuit assembly comprising a printed circuit board, the printed circuit board including a ground plane, the circuit assembly being electrically connected to the antenna assembly via a conductor, the printed circuit board being separated from the antenna assembly by a predetermined distance, the circuit assembly including a relay switch having at least one solenoid winding connected to the circuit assembly and a set of contacts.