Vehicle Interior Trim Module With Integrated Touch and Proximity Sensing
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Solution Overview
Problem
Conventional switches in vehicle interior trims require a separate mounting process, making the production time-consuming and difficult to implement individual or demand-oriented functions, while touch-sensitive screens are awkwardly integrated and hard to operate.
Innovation Solution
A functional module comprising a flexible substrate layer, a touch-sensitive detection layer, and a decorative layer with integrated illumination, allowing for seamless integration of electronic functions into vehicle interior trims, eliminating the need for separate switches and enhancing user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional switches are incorporated in a panel, then the functions can be implemented, but the production process becomes time-consuming and individual functions are difficult to implement
Solution Approach 1:
The patent merges the switch functions directly into the interior trim panel by integrating touch-sensitive screens and proximity sensors into the decorative layer. This eliminates the need for separate mounting processes for conventional switches, allowing individual user functions to be implemented without increasing production time.
Solution Approach 2:
The interior trim panel is designed with multi-functional capabilities by incorporating various detection layers (touch-sensitive, proximity-sensitive) that can serve different user needs. The same panel structure can provide multiple functions such as audio control, climate control, and information display, enabling demand-oriented functions for individual users.
2Ease of operation
If touch-sensitive screens are incorporated into an interior trim, then conventional switches can be replaced, but the integration becomes awkward and difficult
Solution Approach 1:
The patent uses flexible detection layers that can be integrated into the interior trim panel structure. The touch-sensitive and proximity-sensitive layers are designed as thin films that conform to the panel geometry, making integration straightforward and eliminating the awkwardness associated with rigid screen incorporation.
Solution Approach 2:
The interior trim is constructed as a composite structure with multiple layers including the decorative layer, detection layers, and substrate. This composite design allows the touch-sensitive screens to be seamlessly integrated into the trim panel, combining aesthetic appearance with functional capabilities while simplifying the manufacturing process.
3Adaptability or versatility
If touch-sensitive screens are used, then conventional switches are replaced, but it becomes difficult for users to notice or operate all functions
Solution Approach 1:
The patent incorporates haptic feedback mechanisms that provide tactile vibrations when users interact with the touch-sensitive screen. This mechanical feedback helps users notice and locate different functions on the screen, making operation easier despite the absence of physical switches.
Solution Approach 2:
The detection layers are designed to change color or emit light in response to user approach or touch. This visual feedback mechanism helps users notice different functions and understand their operational status, improving ease of operation while maintaining the integrated design.
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
Simplifies and accelerates the production process, improves operating comfort by integrating electronic functions directly into the interior trim, and enables easy realization of individual user functions without the need for conventional switches.
Implementation Method 1
The at least one detection layer may comprise or be at least one approach and/or touch sensor, in particular a capacitive sensor
Implementation Method 2
The at least one detection layer may comprise or be at least one approach and/or touch sensor, in particular a capacitive sensor and/or resistance sensor
Implementation Method 3
The at least one detection layer may comprise or be at least one approach and/or touch sensor, in particular a capacitive sensor and/or resistance sensor and/or piezoelectric sensor
Data Source
AI summary
A functional module for a vehicle interior trim has a substrate layer, at least one detection layer, which is arranged above the substrate layer and is designed to generate a signal on the approach, such as the proximity and/or touch of a user, and a decorative layer, which is arranged above the detection layer. An interior trim and a motor vehicle have at least one such functional module.