In-Wall Power Switch Gesture Control for IoT Interaction

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Solution Overview

Problem

In-wall power switches lack advanced control mechanisms and communication capabilities to efficiently manage and interact with IoT devices, limiting their functionality and user experience.

Innovation Solution

A smart power switch with integrated processors, microphones, capacitive touch sensors, and communication technologies like Bluetooth low energy and ZigBee, enabling voice command recognition, gesture control, and seamless integration with IoT systems for enhanced control and monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If traditional mechanical switches are used, then device simplicity is maintained, but control functionality and user interaction capabilities are limited

Engineering Contradiction:
Improvecontrol functionalityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical switch mechanisms with non-contact sensing technologies including capacitive touch sensors, acoustic sensors, and optical sensors. This substitution enables gesture-based control and voice commands without mechanical moving parts, thereby enhancing control functionality while managing device complexity through electronic rather than mechanical means

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The power switch device integrates multiple functions including gesture recognition, voice command processing, wireless communication (Bluetooth, Wi-Fi), and traditional power control. This multi-functionality approach allows a single device to serve as both a conventional switch and a smart control interface, improving adaptability while consolidating rather than increasing overall system complexity

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

2Adaptability or versatility

If in-wall devices lack communication capabilities, then device simplicity is maintained, but ability to interact with IoT devices is limited

Engineering Contradiction:
Improvecommunication capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent incorporates wireless communication modules (Bluetooth low energy, Wi-Fi) as intermediary components that enable the power switch to communicate with IoT devices, smartphones, and cloud services. These communication interfaces act as mediators between the simple in-wall device and the complex IoT ecosystem, providing connectivity without requiring complex integration throughout the entire system

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The device includes pre-configured communication protocols and connectivity features that are built-in during manufacturing. This preliminary setup allows the device to immediately interact with IoT ecosystems upon installation, eliminating the need for complex user-side configuration and reducing the perceived complexity for end users

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If physical contact interfaces are used, then ease of manufacture is maintained, but user interaction experience is limited

Engineering Contradiction:
Improveuser interactionVSAvoidease of manufacture
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The patent replaces physical contact interfaces with non-contact sensing mechanisms including capacitive sensors that detect hand proximity and gestures, acoustic sensors for voice commands, and optical sensors for motion detection. These substitutions improve user interaction by enabling touchless control while the sensors themselves are standard electronic components that maintain ease of manufacture through conventional PCB integration

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 smart power switch provides intuitive voice and gesture control, improved user interaction, and efficient management of IoT devices, enhancing power management and user experience while integrating with various IoT systems.

Implementation Method 1

a capacitive touch sensor configured to detect a non-contact gesture

Methodology Applied
Scientific EffectCapacitance: Capacitance

Implementation Method 2

a passive infrared sensor disposed behind the Fresnel lens

Methodology Applied
Scientific EffectInfrared radiation: Infrared Radiation

Implementation Method 3

a Fresnel lens disposed between the non-contact gesture and the passive infrared sensor

Methodology Applied
Scientific EffectRefraction: Refraction

Data Source

PatentEP3729650B1Gesture control for in-wall device
Publication Date: 2024.06.12 HUBBELL INC
  • EP3729650B1 patent drawingFigure 1
  • EP3729650B1 patent drawingFigure 2
  • EP3729650B1 patent drawingFigure 3

AI summary

A method for controlling operation of a power switch includes obtaining, by one or more processors of a power switch, data indicative of one or more non-contact gestures. The method includes determining, by the one or more processors, a control action based at least in part on the data indicative of the one or more non-contact gestures. The method includes implementing, by the one or more processors, the control action.