Scalable Cockpit Controller Interfaces for Head-Unit Upgrades
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Solution Overview
Problem
The challenge of replacing a head-unit in a vehicle infotainment system often requires extensive and costly modifications due to the lack of standardization in interfaces, leading to the loss of user preferences and the need for replacing the entire infotainment system, while the cockpit domain controller lacks sufficient ports for accommodating additional subsystems, necessitating either replacement or complex coupling with extension devices.
Innovation Solution
A scalable connectivity architecture for the cockpit domain controller that integrates a modular interface and computing modules, allowing seamless head-unit exchange with data transfer and user settings preservation, and flexible expansion of subsystem connections without increasing the controller's footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a greater number of ports are added to the cockpit domain controller to accommodate additional subsystems, then the connectivity and adaptability are improved, but the circuit board space and housing size increase, violating packaging constraints
Solution Approach 1:
The patent segments the connector interface into multiple independent connector units, each capable of establishing separate communication channels. This allows the system to provide multiple ports for enhanced connectivity without requiring a single large connector, thereby maintaining compact circuit board space while achieving improved adaptability and versatility for accommodating additional subsystems
Solution Approach 2:
The patent implements a universal connector interface design where each connector unit can support multiple communication protocols and subsystem types. This multi-functional approach allows a limited number of physical ports to serve multiple purposes, enabling the system to accommodate various subsystems including audio, video, navigation, and driver assistance systems without increasing the overall footprint
2Adaptability or versatility
If a greater number of ports are added to the cockpit domain controller to accommodate additional subsystems, then the connectivity and adaptability are improved, but the housing size increases, violating packaging constraints
Solution Approach 1:
The patent divides the connector interface into multiple compact connector units that can be densely arranged on the circuit board. This segmentation allows the housing to maintain a compact size while providing multiple communication ports, as each connector unit occupies minimal space and can be positioned efficiently within the available housing volume
Solution Approach 2:
The patent utilizes three-dimensional space optimization by arranging connector units in a compact configuration that maximizes vertical and lateral space utilization. This dimensional optimization allows multiple ports to be integrated into the housing without increasing its external dimensions, thereby maintaining compact packaging while achieving enhanced connectivity
3Adaptability or versatility
If head-unit replacement is performed without standardized interfaces, then customization flexibility is improved, but modification cost and complexity increase significantly
Solution Approach 1:
The patent implements standardized connector interfaces that are universally compatible across different head-unit models and configurations. This standardization allows custom head-units to be integrated without requiring extensive modification work, as the universal connectors provide consistent electrical and mechanical interfaces, thereby reducing modification costs while preserving customization flexibility
Solution Approach 2:
The patent pre-configures the connector interfaces with standardized pin assignments and communication protocols during the design phase. This preliminary standardization enables seamless integration of replacement head-units, as the interfaces are already prepared to accommodate various configurations without requiring costly post-installation modifications or custom wiring harnesses
Data Source
AI summary
Embodiments are disclosed for a system for coupling with at least one vehicle cable for communication with components of an infotainment system. In one example, the system includes a housing and a domain controller with hardware components enclosed within the housing. The system may further include a first connector interface arranged at a first side of the housing, the first connector interface including all connections for the domain controller.