Flat Screen Support for Vehicle Simulators
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Solution Overview
Problem
The existing fixing methods for flat screens in vehicle simulators, particularly those using LCD or plasma technology, are inadequate due to insufficient rigidity and sensitivity to vibrations, and require adjustable positioning to maintain image quality and prevent light disturbances from external sources.
Innovation Solution
A device with a support structure and screen support featuring a frame with lateral wings, adjustable connections, and a rear support with wedging means, along with an optical connection and retractable indexing fingers for secure and adjustable positioning of the screen relative to the simulator and observation device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If LCD or plasma flat screens are used to replace cathode-ray screens, then the screen mass is reduced and sensitivity to vibrations increases, but the screen fixing rigidity becomes insufficient
Solution Approach 1:
The support structure is divided into multiple components: a rear support for fixing to the simulator, a front frame positioned in front of the screen, lateral wings extending from the frame, and adjustable connection means linking these elements. This segmentation allows each component to perform a specific function while collectively providing the necessary rigidity and adaptability.
Solution Approach 2:
The connection means between the front frame and rear support are made adjustable to accommodate different screen thicknesses. This dynamic adaptability ensures that the support structure maintains optimal rigidity and positioning for various screen types while compensating for the reduced mass and increased vibration sensitivity of flat screens.
2Ease of manufacture
If standard fixing means are used to attach screens to the simulator, then the installation is simple, but the fixing rigidity is insufficient for flat screens
Solution Approach 1:
The support structure is divided into multiple components: a rear support for fixing to the simulator, a front frame positioned in front of the screen, lateral wings extending from the frame, and adjustable connection means linking these elements. This segmentation allows each component to perform a specific function while collectively providing the necessary rigidity and adaptability.
Solution Approach 2:
The device combines multiple support elements (rear support, front frame, lateral wings, and connection means) into an integrated assembly that works together to provide both secure attachment to the simulator and rigid support for the screen, overcoming the limitations of simple standard fixing means.
3Illumination intensity
If the screen is positioned closer to the observation opening, then visibility is improved and light loss is reduced, but image deformation occurs
Solution Approach 1:
The connection means between the front frame and rear support are made adjustable to accommodate different screen thicknesses and positioning requirements. This dynamic adaptability allows precise adjustment of the screen position relative to the observation opening, optimizing both visibility and image quality.
Solution Approach 2:
The adjustable positioning mechanism allows for fine-tuning of the screen position to achieve optimal image quality and visibility, effectively providing a feedback-based adjustment system that compensates for variations in screen type and installation conditions.
4Manufacturing precision
If the screen is positioned at a greater distance from the observation opening, then image quality improves, but light diffusion is reduced and external light disturbances increase
Solution Approach 1:
The connection means between the front frame and rear support are made adjustable to accommodate different screen thicknesses and positioning requirements. This dynamic adaptability allows precise adjustment of the screen position relative to the observation opening, optimizing both visibility and image quality.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The device has a screen support for rigidly maintaining a flat screen (4). The support is fixed on a carrier structure (1) to position the screen to face to an observation device (14) e.g. optical tunnel, integrated to a simulator. The support has a frame (3) with lateral blades (6) extending on sides of the screen. A rear support (7) is fixed on the rear of the screen according to a fixation mode. Horizontal oblong holes and screws provide connection between the frame and the support (7) to allow the screen support to adapt to various thickness of the screen.