Door Mirror Turn Signal and Foot Lamp Integration
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Solution Overview
Problem
Conventional door mirrors lack a unified structure for integrating side turn signal lamps and foot lamps, which limits their ability to provide comprehensive lighting and attention attraction during vehicle operations.
Innovation Solution
A door mirror design where the turn signal lamp and foot lamp are housed together, with their outer lenses positioned adjacent to each other, allowing light from one lamp to be guided to the other, enabling forward and downward light emission during unlocking and turn signal operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If side turn signal lamp and foot lamp are provided separately at door mirror, then each lamp can perform its specific function, but the structure lacks integration and cannot provide comprehensive lighting coverage
Solution Approach 1:
The patent combines the side turn signal lamp and foot lamp into a single integrated housing structure. The housing contains both lamps and positions their outer lenses adjacent to each other, allowing light from one lamp to be guided to the other lens. This merging approach provides comprehensive lighting coverage (illuminating both the area around user's feet and forward area) while maintaining a unified, less complex structure compared to completely separate installations.
2Adaptability or versatility
If outer lenses are positioned adjacent to each other with light guidance, then light can be emitted to multiple areas simultaneously, but the manufacturing precision requirement increases
Solution Approach 1:
The patent uses the housing as an intermediary structure that precisely positions the outer lenses of both lamps adjacent to each other. The housing acts as a mediator that ensures accurate alignment and light guidance between the two lamps, reducing the manufacturing precision burden on the lamps themselves. This intermediary structure facilitates the complex light guidance function while maintaining manufacturability.
3Adaptability or versatility
If lamps are integrated in housing with adjacent outer lenses, then added value is achieved through multi-directional light emission, but the housing design becomes more complex
Solution Approach 1:
The housing is designed to serve multiple functions: it houses both the side turn signal lamp and foot lamp, positions their outer lenses adjacent to each other, and enables light guidance between the two lamps. This multi-functional housing design achieves functional integration (turn signal indication, foot area illumination, and forward area illumination) while consolidating what could be multiple separate components into a single universal structure.
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
Enhances user safety and visibility by illuminating the area around the user's feet and attracting attention from the front when unlocking, while also improving turn signal visibility in dark conditions.
Implementation Method 1
light based on a turning on of one lamp is guided to an outer lens of the other lamp
Implementation Method 2
a foot lamp for lighting up a lower part that is installed in a door mirror
Implementation Method 3
a turn signal lamp for indicating the traveling direction
Data Source
AI summary
A door mirror includes a turn signal lamp for indicating a traveling direction; a foot lamp; and a housing that houses the turn signal lamp and the foot lamp, wherein the turn signal lamp and the foot lamp are provided in the housing such that the turn signal lamp and the foot lamp are provided with outer lenses lying adjacent to each other such that light based on a turning on of one lamp is guided to an outer lens of the other lamp.