Retractable Vehicle Head-Up Display Plate
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Solution Overview
Problem
Existing head-up display devices for motor vehicles face challenges in readability due to fixed plate positions that do not accommodate varying driver sizes and do not adequately protect optical elements from dust and other adverse conditions, and they require a large insertion volume and obstructive protective covers.
Innovation Solution
A retractable display device with a mobile support system that adjusts the plate's position and inclination using rails and motorized means, allowing the plate to be retracted when not in use and protracted at an adjustable angle for optimal visibility, housed within a compact design that minimizes dashboard intrusion and protects the optical elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the plate is mounted on a fixed support, then the device structure is simple, but the readability is poor for drivers of varying sizes and the optical elements are exposed to dust and adverse conditions
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed plate mounting into a mobile support system. The plate is mounted on a mobile support that can be moved between a resting position and display positions, allowing adjustment of the plate's inclination angle and position to accommodate different driver sizes and improve readability for all users.
Solution Approach 2:
The patent extracts the plate from a fixed mounting structure and separates it onto an independent mobile support. This extraction allows the plate to be retracted when not in use, protecting the optical elements from dust and adverse conditions while reducing the need for large protective covers.
2Object-affected harmful factors
If a pivoting plate mechanism is used to protect the plate, then the plate can be retracted, but the protective cover still obstructs the optical path and requires large insertion volume
Solution Approach 1:
The patent extracts the plate and mobile support from a housing that would require large protective covers. By allowing the plate to be retracted along the rails, the optical elements are protected without requiring a large enclosing housing, thus reducing the insertion volume in the dashboard.
Solution Approach 2:
The patent moves the protection mechanism from a three-dimensional enclosing housing to a linear retraction path along rails. This dimensional change allows the plate to be protected when retracted without requiring a large volume housing, as the protection is achieved through the retraction path rather than an enclosing structure.
3Reliability
If the plate is kept in protracted position during use, then readability is maintained, but the plate and hinges are exposed to dust and adverse impacts
Solution Approach 1:
The patent applies dynamics by implementing a mobile support system that can dynamically transition between retracted and protracted positions. During use, the plate is protracted to maintain readability, but when not in use, it retracts to protect the optical elements from dust and adverse conditions, creating a dynamic protection system.
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 improved readability for drivers of varying sizes by adjusting the plate's position and angle, reduces the need for large protective covers, and maintains an unobstructed optical path while protecting the device from dust and other impacts.
Implementation Method 1
a retractable plate (1) reflecting an item of information generated by a light source (8) toward a user (10), e.g., the driver of the vehicle
Data Source
AI summary
The invention relates to a retractable display device for a motor vehicle comprising a light source (8) for generating a displayable information and a retractable blade (1) for reflecting information towards the vehicle user. Said blade (1) is mounted on a movable support (2) displaceable between a rest position and at least one display position in such a way that said blade (1) is retracted when the movable support (2) is in the rest position and the blade is unfolded when said movable support (2) is in the display position.