Wiper Blade Spoiler Display Device for Visibility and Aging
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Solution Overview
Problem
Existing display devices for wiper blades fail to provide effective and unobtrusive visual cues for environmental and usage-related information, as they are often obscured by the wiper blade's design and do not account for varying exposure to environmental influences, and lack a straightforward method to indicate aging or replacement needs.
Innovation Solution
A display device with a cross-sectional profile matching the wiper blade's spoiler, featuring separate display fields on the inflow and outflow sides for environmental loading and manufacturer information, using materials that change color with time exposure, and a legend that contrasts with the basic material only upon wear, allowing for clear indication of type and replacement part numbers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a display device is fastened on the wiper blade with a supporting bracket system, then environmental loading information can be displayed, but the display field may be overlooked by the vehicle driver due to poor visibility
Solution Approach 1:
The display device is integrated into the spoiler structure, utilizing the three-dimensional form of the spoiler to create display fields on multiple surfaces (front, rear, and side surfaces). This spatial integration ensures that at least one display field is always visible to the driver regardless of the wiper blade position or viewing angle, solving the visibility issue by distributing information across multiple dimensional planes.
2Area of stationary object
If the display device is integrated into the spoiler structure, then large display fields can be implemented, but the wiping function and noise development may be unfavorably influenced
Solution Approach 1:
The spoiler is divided into different functional zones: some areas are optimized for display field integration while other areas maintain their original aerodynamic and wiping functions. The display fields are strategically positioned on surfaces where they provide maximum visibility without interfering with the spoiler's flow management or the wiper blade's contact with the glass.
Solution Approach 2:
The spoiler structure is segmented into multiple independent display fields located on different surfaces (front surface, rear surface, side surfaces). This segmentation allows each display field to be optimized for specific environmental parameters while the overall spoiler structure maintains its functional integrity for wiping and noise reduction.
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 ensures large, unobstructed display fields that do not compromise wiping function or noise, providing clear and timely information on environmental exposure and aging, facilitating easy identification of replacement needs without interfering with the wiper blade's operation.
Implementation Method 1
the display field consists of a basic material or is coated with such a material that changes color with the time loading imposed by the influences from weather or environment
Data Source
AI summary
The invention relates to a display device (38) for a wiper blade (10) made up of a plastic piece with a display field (40, 42, 44) with means (52) for clipping to the wiper blade (10). According to the invention, said device has the same cross-sectional profile as a spoiler (30) for the wiper blade (10) of flat bar construction, wherein the inner profile (50) of the display device (38) matches the outer profile (32, 34, 36) of the spoiler (30).