Flush-Integrated Vehicle Display With Elastic Tolerance Compensation
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Solution Overview
Problem
Existing display units for electric vehicles are susceptible to movement and environmental influences, leading to reduced visibility and functionality due to dirt, water, and dust accumulation.
Innovation Solution
The display unit is integrated flush with the frame surface, using an elastic intermediate layer to compensate for manufacturing and assembly tolerances, and features a sealed connection socket and sound transducer protected from environmental influences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the display unit is integrated into the frame surface, then the resistance to water, dust and dirt is improved, but the manufacturing precision and assembly tolerance requirements increase
Solution Approach 1:
An intermediate layer is introduced between the display unit and the frame surface. This intermediary component absorbs assembly tolerances and enables flush integration without requiring high precision manufacturing, while still achieving the desired resistance to water, dust and dirt.
Solution Approach 2:
The intermediate layer's properties (thickness, elasticity, material composition) are optimized to compensate for manufacturing variations. By adjusting these parameters, the system achieves both flush integration and tolerance compensation, resolving the contradiction between precision requirements and environmental resistance.
2Object-affected harmful factors
If the display unit surface is made flush with the frame, then the accumulation of water, dust and dirt is reduced, but the visibility and readability of the display may be compromised
Solution Approach 1:
The intermediate layer is designed with spatially varying properties: it is transparent or translucent in the display area to maintain visibility, while providing sealing and flush integration in the surrounding areas. This local differentiation resolves the contradiction between environmental resistance and display readability.
3Ease of manufacture
If an intermediate layer is used to compensate for tolerances, then the ease of assembly is improved, but the device complexity increases
Solution Approach 1:
The intermediate layer serves multiple functions simultaneously: it compensates for assembly tolerances, provides sealing against water and dust, enables flush integration, and may provide mechanical bonding. By combining these functions in a single component, the system achieves ease of assembly without proportionally increasing complexity.
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
Ensures the display unit remains functional and readable despite exposure to weather and dirt, with reliable acoustic feedback, maintaining high visibility and durability.
Implementation Method 1
an intermediate layer arranged between the display unit and the frame
Data Source
AI summary
A vehicle driven by an electric motor, in particular a one-wheeler or two-wheeler driven by an electric motor has a frame. A display unit for interaction of a rider with the vehicle driven by an electric motor is provided in a surface of the frame. A surface of the display unit is integrated flush with the surface of the frame such that a plane is formed by an intermediate layer arranged between the display unit and the frame.