Coaxial Connector Assembly With Connection Detection for High-Speed Data
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Solution Overview
Problem
Traditional car wiring is inadequate for high-speed data transmission required in advanced vehicle systems like driver-assist and autonomous driving, as it fails to support high data rates while maintaining signal integrity and environmental protection.
Innovation Solution
A connector assembly that connects high-speed cable segments, featuring attachment features for stable positioning, quick attachment/detachment, and internal routing for flexible cable placement, using dielectric or metal bodies with conductors to ensure reliable high-speed data transmission and environmental sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If traditional cable designs are used, then the structure is simple and easy to manufacture, but the data transfer rate cannot support high-speed transmission requirements
Solution Approach 1:
The cable assembly is divided into multiple cable segments (first cable segment, second cable segment) that can be independently manufactured and then connected through connector assemblies, allowing high-speed transmission capability while maintaining manufacturing simplicity through modular construction
Solution Approach 2:
The connector assembly is nested within the cable assembly structure, with the connector housing containing the detection system, latching mechanism, and contact elements, creating a compact integrated unit that achieves high functionality without proportionally increasing overall complexity
2Reliability
If traditional cable designs are used, then the manufacturing cost is low, but signal integrity cannot be maintained at high data rates
Solution Approach 1:
A detection system with detection elements and circuitry provides feedback about the connection status between cable segments, enabling verification of proper mating and signal integrity, which maintains reliability while the feedback mechanism is integrated into the existing connector structure
Solution Approach 2:
The latching mechanism performs preliminary action by securing the connector housing before full electrical contact is established, ensuring mechanical stability and signal integrity from the moment of connection while following a predetermined engagement sequence
3Speed
If connector assembly is added to support high-speed transmission, then data transmission capability is improved, but the device complexity increases
Solution Approach 1:
The connector assembly performs multiple functions simultaneously: it provides mechanical connection between cable segments, establishes electrical contacts for high-speed data transmission, enables detection of connection status, and provides environmental sealing, all within a single integrated structure that doesn't proportionally increase complexity
Solution Approach 2:
The detection system is merged with the connector assembly structure, with detection elements integrated into the connector housing and circuitry combined with the latching mechanism, eliminating the need for separate detection components and reducing overall device complexity
4Measurement precision
If detection system is integrated into connector assembly, then connection status monitoring is improved, but manufacturing complexity increases
Solution Approach 1:
The detection system is segmented into separate detection elements and circuitry components that can be manufactured independently and then assembled into the connector housing, improving measurement precision through specialized components while maintaining ease of manufacture through modular assembly processes
Data Source
AI summary
A cable assembly includes a first cable and a second cable that is arranged co-axial to the first cable. Proximal ends of the first and second cables are provided with a connector assembly. The connector assembly from each proximal end is adapted to connect with one another, or a pair of receptacle ports located within a PCB, the PCB being disposed alongside the co-axially arranged first and second cables.