Vehicle Display Mounting Layout for Left-Right Cabin Integration
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Solution Overview
Problem
Vehicle-mounted display units face complexity in design and manufacturing due to different mounting directions and are susceptible to electromagnetic interference and heat issues, which can lead to safety hazards during excessive loading conditions.
Innovation Solution
A vehicle-mounted display system with a display cover and housing featuring two geometric configurations, an electromagnetic shielding element, a heat sink, and a reference point system for mounting, which includes a display frame with cooling fins and insulating means to address electromagnetic interference and heat dissipation, and a retention strap for safety during crashes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display unit is designed with two geometric configurations to accommodate both left and right hand driving positions, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The mounting bracket is designed with a universal structure that can accommodate both left-hand and right-hand driving positions through a single standardized interface. The bracket includes adjustable mounting ears and standardized fastening holes that allow the same component to be installed on either side of the vehicle without requiring separate specialized parts for each configuration.
Solution Approach 2:
The display unit is divided into modular segments including a standardized mounting bracket, adjustable positioning components, and separable housing sections. This segmentation allows the mounting interface to remain consistent while enabling flexible positioning adjustments for different driving configurations without complicating the overall assembly.
2Power
If the ECU generates electromagnetic radiation, then the processing power is improved, but electromagnetic interference with other electronics increases
Solution Approach 1:
An electromagnetic shielding layer is introduced as an intermediary between the ECU and surrounding electronics. This shielding layer, positioned within the housing near the ECU, acts as a mediator that blocks electromagnetic radiation while allowing the ECU to operate at full processing power without interfering with other vehicle electronic systems.
Solution Approach 2:
A thin electromagnetic shielding film is applied to the ECU housing and internal mounting surfaces. This flexible shielding film provides effective electromagnetic radiation protection while maintaining the compact form factor and thermal characteristics of the original ECU design, allowing high processing power without excessive interference.
3Temperature
If a heat sink is added to cool the ECU, then the temperature control is improved, but the device complexity increases
Solution Approach 1:
The heat sink is merged with the existing mounting bracket structure, combining the mechanical support function with the thermal management function in a single integrated component. This eliminates the need for separate cooling apparatus while providing effective heat dissipation for the ECU, maintaining simplicity in the overall device design.
Solution Approach 2:
Thermal management features are applied locally at the ECU mounting position rather than requiring system-wide cooling. The mounting bracket includes localized heat dissipation elements such as finned sections or thermally conductive pathways positioned specifically where the ECU contacts the bracket, providing targeted cooling without adding complex global thermal management systems.
4Reliability
If the display receives excessive force during a crash, then the safety is compromised, but the mounting structure becomes more complex
Solution Approach 1:
The mounting bracket incorporates yieldable mounting elements and energy-absorbing features designed to deform in controlled ways during impact events. These beforehand cushioning elements, such as flexible mounting tabs or frangible fasteners, are built into the standard mounting structure to absorb crash forces and prevent the display from becoming a safety hazard, without requiring complex external safety systems.
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 simplifies the design and manufacturing of vehicle-mounted displays by accommodating both left and right-hand driving positions, reduces electromagnetic interference, enhances heat dissipation, and ensures the display's stability and safety during crashes.
Implementation Method 1
a heat sink mounted proximate to the ECU to provide cooling for the ECU
Implementation Method 2
at least one cooling fin to provide heat dissipation for the system
Implementation Method 3
an electromagnetic shield (EMC) adjacent to the ECU... The shielding element is an electromagnetic shield (EMC) to reduce radiation and electrical interference to and from the ECU
Data Source
Figure 1
Figure 2
Figure 3a
AI summary
The present disclosure refers to a vehicle mounted display unit (100) comprising a display frame (146); a display (148) attached to the display frame (146); an electronic control unit (ECU) (112) attached to the display frame (146); and a display adaptor (104) attached to the display frame (146) and acting as an attachment component; and at least one wire harness (108) characterized in that the vehicle mounted display unit comprises a display cover (140) and a display housing (142), wherein the display cover (140) and the at least one wiring harness (108) have two geometric configurations, one for the vehicle mounted display unit to be position left from the driver or passenger and one to be position right from the driver or passenger.