USB 3.0 Connector Detect Pin via Elastic Arm
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Solution Overview
Problem
Conventional USB 3.0 connectors become complex and costly to manufacture due to the need for additional switch terminals for detection functions, increasing power consumption and manufacturing difficulties.
Innovation Solution
An electrical connector design featuring an insulative housing with first and second terminals, including an elastic contacting arm as a detecting pin integrated with a grounding terminal, which eliminates the need for soldering and maintains the detection function without adding complexity or cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If independence switch terminals are added to USB 3.0 connector for detection function, then detection capability is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent combines the detection function with an existing grounding terminal by integrating an elastic contacting arm into the grounding terminal structure. This merging approach allows the connector to perform both grounding and detection functions through a single integrated component, thereby improving detection capability without increasing device complexity or manufacturing cost.
2Reliability
If independence switch terminals are added to USB 3.0 connector for detection function, then detection capability is improved, but manufacturing cost increases
Solution Approach 1:
The detection function is merged with the grounding terminal structure, eliminating the need for separate detection terminals. This reduces the number of components and assembly steps, thereby improving detection capability while reducing manufacturing cost and simplifying the production process.
Solution Approach 2:
The grounding terminal is designed to serve multiple functions: both grounding and detection. By making the grounding terminal multi-functional, the patent improves detection capability without requiring additional specialized components, thus reducing manufacturing cost.
3Reliability
If independence switch terminals are added to USB 3.0 connector for detection function, then detection capability is improved, but power consumption increases
Solution Approach 1:
The detection function is combined with the grounding terminal, allowing the system to use existing electrical pathways for detection purposes. This merging eliminates the need for separate power supply circuits for detection terminals, thereby improving detection capability while reducing overall power consumption.
Data Source
AI summary
An electrical connector includes an insulative housing, a plurality of first and second terminals. The insulative housing includes a rear base portion and a front tongue portion. Each first terminal defines a first retained portion retaining in the insulative housing, a first contacting portion at a second mating surface of the tongue portion, and a first solder portion extending from the insulative housing. Each second terminal defines a second connecting portion retaining in the insulative housing, a second contacting portion at a second mating surface of the tongue portion, and a second solder portion. Wherein one terminal of first terminals located adjacent to a lateral surface of the tongue portion defines an elastic contacting arm integrally extends from the first retained portion. The contacting arm defines an outward-tip projecting outwards from the lateral side of the tongue portion so as to provide a detect pin without any soldering portion.