FFC Junction Assembly for Power, Signal, and Data Breakouts
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Solution Overview
Problem
The integration of flat flexible cables (FFCs) into existing wiring environments, particularly in automotive applications, faces challenges in forming quick and robust junctions with multiple components, requiring efficient systems and methods for break-out and umbilical connections.
Innovation Solution
A junction device comprising a housing, power, signal, and data contact assemblies, which includes input, output, and breakout connections for FFCs, allowing for electrical interconnection and reconfiguration of power, signal, and data channels, with breakout connections adaptable to various components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If FFCs are integrated into existing wiring environments with multiple components, then the wiring harness can support complex applications and high-volume production, but the process of forming junctions and break-out connections becomes time-consuming and complex
Solution Approach 1:
The patent combines multiple FFC connections (input, output, and breakout connections) into a single integrated junction device. The device housing contains multiple contact assemblies that simultaneously establish electrical connections between multiple FFCs, eliminating the need to form separate junctions for each connection point and significantly reducing assembly time
Solution Approach 2:
The junction device is designed with universal applicability to handle power, signal, and data FFC connections through standardized contact assemblies. The device can accommodate different FFC configurations and breakout patterns while maintaining a consistent interface, making it suitable for various complex wiring applications without requiring custom solutions for each scenario
2Adaptability or versatility
If multiple breakout connections are formed to various components from backbone harnesses, then the wiring system can interface with hundreds of components, but the complexity of the connection system increases significantly
Solution Approach 1:
The junction device segments the connection system into distinct functional modules: power contact assembly, signal contact assembly, and data contact assembly. Each assembly handles specific types of connections independently, allowing for organized management of multiple breakout connections while reducing overall system complexity through functional separation
Solution Approach 2:
The junction device acts as an intermediary between backbone FFCs and numerous component connections. It provides a standardized intermediate interface that simplifies the connection architecture by converting complex multi-point connections into manageable modular units, reducing the overall complexity of interfacing with hundreds of components
Data Source
AI summary
A junction device for flat flexible cables (FFCs) includes a device housing, a power contact, a signal contact assembly, and a data contact assembly. The power contact defines an input power FFC connection, an output power FFC connection, and a breakout power FFC connection, with the input, output and breakout FFC connections being electrically interconnected. The signal contact assembly defines an input signal FFC connection, an output signal FFC connection, and a breakout signal FFC connection. The signal contact assembly is adapted to output a signal to the breakout signal FFC connection indicative of a signal received at the input signal FFC connection. The data contact assembly includes an input data FFC connection, an output data FFC connection, and a breakout data FFC connection. The data contact assembly is adapted to output a data signal received at the input FFC connection from the output FFC connection and the breakout FFC connection.