Detachable Capacitive Touch Sensor Mounting for Waterproof Switches

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Conventional switches for controlling electrical devices, particularly in domestic environments, are limited by their inability to function in wet or outdoor conditions, require complex installation, and are not easily adaptable to various surface shapes or sizes, posing challenges for public safety and user convenience.

Innovation Solution

A sensor apparatus with a mount and detachable sensor element featuring compressible and expandable connecting elements for secure sealing and capacitive touch sensing, allowing for easy installation in various environments and enabling control of electrical devices through capacitive touch inputs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional switches are used for controlling electrical devices, then the switching function is achieved, but the switches cannot be used in wet or outdoor environments and require complex installation

Engineering Contradiction:
Improveenvironmental adaptabilityVSAvoidinstallation complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The switch system is divided into separate modular components: a waterproof sensor element for touch detection and a separate control unit for signal processing. This segmentation allows the sensor element to be installed in wet or outdoor environments while the control unit can be positioned elsewhere, enhancing environmental adaptability without requiring complex integrated installation procedures

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The sensor element is designed as a universal component that can be installed in various locations including wet areas and outdoor environments. The detachable connection system allows the same sensor element to work with different control units, making the system universally applicable across multiple installation scenarios and environments

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

2Adaptability or versatility

If conventional switches are installed on flat surfaces, then the switching function is achieved, but the switches are limited to specific surface configurations and require templating and cutting

Engineering Contradiction:
Improvesurface adaptabilityVSAvoidinstallation ease
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The mounting mechanism incorporates dynamic adjustment capabilities that allow the sensor element to adapt to different surface configurations. The detachable connection system enables flexible positioning and orientation adjustments during installation, eliminating the need for precise templating and cutting while maintaining proper functional alignment

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The mounting parameters such as position, orientation, and connection depth can be adjusted during installation to match different surface configurations. This parameter flexibility allows the same sensor element to be installed on various surface types without requiring custom fabrication or complex preparation work

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If detachable connection elements are used, then the sensor element can be easily installed and removed, but the connection must provide sufficient sealing and electrical connectivity

Engineering Contradiction:
Improveinstallation easeVSAvoidconnection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The connecting elements are pre-configured with integrated sealing features and alignment guides that automatically engage during the detachment and reattachment process. This preliminary preparation ensures that proper sealing and electrical connectivity are achieved without requiring complex assembly procedures or specialized tools

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The connecting element acts as an intermediary component that provides both mechanical attachment and environmental sealing functions. This intermediate component mediates between the sensor element and mounting structure, ensuring reliable electrical connectivity while maintaining waterproof sealing through its dual-function design

Inventive Principle:
Principle #24Intermediary (Mediator)

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 solution provides a waterproof and versatile switch system that can be installed in diverse environments, offering reliable control of electrical devices with enhanced user convenience and safety, while minimizing installation complexity and accommodating different surface configurations.

Implementation Method 1

compression of the first connecting element in an axial direction causes expansion of the first connecting element in a radial direction

Methodology Applied
Scientific EffectCompression and radial expansion: Poisson's Effect

Implementation Method 2

Each of the first and second connecting elements comprises a compressible and/or expandable body

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Implementation Method 3

The sensor circuit is adapted for capacitive touch sensing and for detecting and/or measuring relative changes and/or durations of electro-static charges present at the sensor probe

Methodology Applied
Scientific EffectCapacitive sensing: Capacitance

Implementation Method 4

the at least one intermediate portion is adapted to diffuse and/or propagate light towards to the sensor element

Methodology Applied
Scientific EffectLight diffusion: Scattering

Data Source

PatentEP3659405B1Sensor system and apparatus
Publication Date: 2024.01.31 TITIAN TECH INC
  • EP3659405B1 patent drawingFigure 1a~1b
  • EP3659405B1 patent drawingFigure 2
  • EP3659405B1 patent drawingFigure 3

AI summary

A sensor apparatus and method of installation, and a system for controlling at least one electrical device and a method of use of such system. The apparatus comprises a mount adapted to be attached to a support and a sensor element adapted to be detachably connected to the mount. The method of installing a sensor apparatus comprises providing a sensor apparatus according to the first aspect of the present invention. The method further comprises the steps of retainably affixing the mount to, or within, the support and detachably connecting the sensor element to the mount. The system for controlling at least one electrical device comprises at least one sensor apparatus, at least one electrical device, and a controller, wherein the at least one sensor apparatus and the at least one electrical device are electrically connected to the controller.