Modular Load Control Backplate for Safe Switch Upgrades

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Solution Overview

Problem

Existing electrical wiring systems in buildings are difficult and costly to modify, and the replacement or alteration of electrical outlets or switches connected to a mains power source often requires professional intervention due to safety concerns and uncertainty about proper wiring configurations.

Innovation Solution

A modular control unit system that includes a backplate with recessed electrical contacts and a device control assembly that can be removably coupled to the backplate, allowing for interchangeable functionality without modifying the existing electrical connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing electrical wiring systems are modified to upgrade or replace outlets or switches, then functionality can be improved, but the process becomes difficult and costly requiring professional intervention

Engineering Contradiction:
Improvefunctionality upgradeVSAvoidinstallation ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The device is divided into separate modular components: a control assembly that can be removed and replaced independently from the backplate and electrical connections. This segmentation allows users to swap functionality without modifying the fixed wiring infrastructure, eliminating the need for professional electrical work while enabling functional upgrades.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The backplate serves as a universal interface that can accommodate different control assemblies with various functionalities (e.g., dimmer, switch, smart control). This multi-functionality approach allows users to upgrade their electrical system capabilities by simply changing the control assembly rather than rewiring, making the system adaptable without increasing installation complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If electrical outlets or switches are replaced or altered, then safety concerns and uncertainty about proper wiring configurations arise, but professional intervention is required

Engineering Contradiction:
ImprovesafetyVSAvoidwiring complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

By separating the control assembly from the electrical connection interface (backplate), the patent eliminates the need for users to handle complex wiring. The backplate remains permanently installed with fixed connections, while only the removable control assembly needs to be swapped. This segmentation reduces wiring complexity to a simple plug-and-play interface, improving safety for consumer-level installations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The backplate acts as an intermediary component that provides a standardized, pre-configured electrical interface between the fixed wiring system and the removable control assemblies. This mediator eliminates the need for users to directly connect wires to control devices, reducing wiring complexity and safety risks while maintaining reliable electrical connections through the standardized backplate interface.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12333815B2User-upgradeable load control
Publication Date: 2025.06.17 DEAKO INC
  • US12333815B2 patent drawing
  • US12333815B2 patent drawing
  • US12333815B2 patent drawing

AI summary

A system is disclosed. The system may include a modular control unit configured to control power to at least one load device. The modular control unit may include a backplate with a recess that includes a set of backplate electrical contacts. The system may also include a contact element configured to receive the power. The system may also include at least one device control assembly configured to be removably coupled to the backplate. The device control assembly may include a set of device control assembly electrical contacts configured to electrically couple with the set of backplate electrical contacts of the backplate when the at least one device control assembly is coupled to the backplate and configured to electrically decouple from the set of backplate electrical contacts when the at least one device control assembly is decoupled from the backplate.