Ethernet Connector Insertion Detection Using Bridged Voltage Pins
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Solution Overview
Problem
Existing Ethernet connectors lack the ability to accurately detect whether a connector is fully inserted.
Innovation Solution
A connector detection device comprising a shell, circuit device, pin module, and metal sheet, where the pin module includes first and second detection pins and a metal sheet that form a short or open circuit based on insertion, allowing for precise detection of connector insertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a connector is inserted into an Ethernet connector, then the connection between devices is established, but the connector cannot detect whether it is fully inserted
Solution Approach 1:
The patent introduces a metal sheet as an intermediary detection element that bridges the detection pins and the connector body. The metal sheet makes contact with the first and second detection pins to form a closed circuit, enabling indirect detection of insertion status without requiring direct contact between detection pins and connector components
Solution Approach 2:
The patent replaces complex mechanical detection mechanisms with an electrical circuit-based detection system. By using voltage level changes in the circuit (from high to low) to indicate insertion status, the system achieves precise detection without mechanical wear or complex moving parts
2Measurement precision
If detection pins are added to the connector, then insertion detection capability is provided, but the device complexity increases
Solution Approach 1:
The metal sheet serves multiple functions: it acts as both a detection element (contacting detection pins to indicate insertion) and a structural component (positioned within the connector housing). This multi-functionality reduces the need for separate dedicated detection components, thereby limiting complexity increase
Solution Approach 2:
The detection pins are positioned at specific locations (first detection pin at one end, second detection pin at the other end of the metal sheet) to optimize detection accuracy. The localized placement of detection elements rather than distributed throughout the connector minimizes structural complexity while maintaining detection precision
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 device accurately determines if a connector is fully inserted by utilizing the structural configuration of the detection pins and metal sheet, ensuring reliable detection without interfering with signal transmission pins.
Implementation Method 1
when the metal sheet contacts the first detection pin and the second detection pin, the metal sheet, the first detection pin, and the second detection pin form a short circuit, so that the first detection pin and the second detection pin are both at a low voltage level
Implementation Method 2
when the metal sheet is separated from the first detection pin and the second detection pin, the metal sheet, the first detection pin, and the second detection pin form an open circuit, so that the first detection pin is at a low voltage level and the second detection pin is at a high voltage level
Data Source
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AI summary
A connector detection device includes a shell, a circuit device, a pin module and a metal sheet. The circuit device includes a ground circuit and a high voltage circuit, the ground circuit provides a low voltage level, and the high voltage circuit provides a high voltage level. The pin module includes a first detection pin, coupled to the ground circuit, and a second detection pin, coupled to the high-voltage circuit. When the metal sheet contacts the first and the second detection pins, a short circuit is formed, so that both the first and the second detection pins are at a low voltage level. When the metal sheet is separated from the first and the second detection pins, an open circuit is formed, so that the first detection pin is at a low voltage level and the second detection pin is at a high voltage level.