Connector Position Assurance Using Electrical Insertion Detection
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Solution Overview
Problem
Existing connector assemblies lack a reliable method to ensure proper insertion, leading to potential security risks due to improper connections, which cannot be visually verified and are prone to failure under vibration or shock.
Innovation Solution
A position assurance apparatus with a conductive sheet and limiting member that electrically connects when the connectors are properly inserted, using a signal circuit to confirm correct alignment and prevent activation if not fully inserted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If connectors are inserted without position assurance, then device complexity is reduced, but reliability deteriorates due to improper insertion risks
Solution Approach 1:
The patent replaces complex mechanical position assurance mechanisms with an electrical detection system. The conductive sheet and signal circuit electrically detect connector insertion status, substituting mechanical interlocks or physical guides with an electrical field-based detection approach, thereby improving reliability without proportionally increasing mechanical complexity
Solution Approach 2:
The conductive sheet acts as an intermediary element between the connector and the detection system. It transfers electrical signals to indicate insertion status, serving as a mediator that enables reliable detection without requiring direct mechanical coupling or complex sensing mechanisms
2Measurement precision
If traditional visual inspection is used to verify insertion, then device complexity is minimized, but measurement precision deteriorates as improper insertion cannot be reliably detected
Solution Approach 1:
The patent replaces visual inspection with an electrical detection system using conductive sheets and signal circuits. This substitution enables precise, objective detection of insertion status through electrical continuity verification, eliminating the imprecision of visual assessment without requiring complex imaging or sensing equipment
Solution Approach 2:
The connector assembly performs self-detection of its own insertion status through the conductive sheet and integrated signal circuit. The system uses its own electrical components to verify proper connection, eliminating the need for external inspection devices or complex detection systems
3Reliability
If no position assurance is provided, then ease of operation is improved as insertion is simpler, but reliability worsens due to vibration and shock causing improper connections
Solution Approach 1:
The patent implements preliminary electrical verification through the conductive sheet and signal circuit before the connector is considered fully operational. This preliminary detection ensures proper insertion is achieved and maintained, preventing subsequent failures due to vibration or shock while keeping the insertion process simple and straightforward
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
Ensures reliable detection of proper connector insertion, reducing the risk of security issues and detection costs compared to traditional methods, while enhancing safety and efficiency.
Implementation Method 1
a conductive sheet comprising a first connecting portion and a second connecting portion electrically connected to each other, wherein the first connecting portion and the second connecting portion are configured to be electrically connected to the signal circuit through the first connector
Data Source
AI summary
A position assurance apparatus, which is used for a connector assembly connected to a signal circuit are provided. The connector assembly comprises a first connector and a second connector, which are connected in pairs, wherein the first connector is connected to the signal circuit, and the second connector is inserted in the first connector. The position assurance apparatus comprises a first connecting portion and a second connecting portion, which are electrically connected to each other. The first connecting portion and the second connecting portion are configured to be electrically connected to the signal circuit by means of the first connector, so as to turn on the signal circuit when the first connector and the second connector are inserted in place.