Integrated Connector Position Assurance for Secure Cable Seating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cable harness connectors in vehicles often lack a connector position assurance (CPA) device, particularly for LVDS Mini B connectors, which can lead to improper connection and potential electrical issues, as they do not provide a mechanism to ensure the connector is fully seated and securely locked.
Innovation Solution
The integration of a CPA device on the electronic housing, featuring an actuation tab, locking arm, and tongue, which moves from a release to a lock position to engage the cable connector, providing a secondary locking mechanism and ensuring the cable is fully inserted and securely attached, compatible with various cable connectors from different manufacturers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a CPA device is integrated on the electronic housing, then connector position assurance and reliable electrical connections are improved, but device complexity increases
Solution Approach 1:
The CPA device is merged with the electronic housing by integrating the locking arm mechanism directly into the housing structure. The locking arm is movably coupled to the housing and works in conjunction with the retention tab, combining the housing and CPA functions into a single integrated assembly rather than separate components.
Solution Approach 2:
The integrated CPA device on the electronic housing provides multi-functionality by serving both as a structural housing component and as a connector position assurance mechanism. The same housing structure that provides mechanical protection also incorporates the locking arm and actuation tab to ensure proper connector seating, eliminating the need for separate CPA devices.
2Reliability
If a secondary locking mechanism is added to ensure proper connector seating, then connection reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The locking arm is pre-configured in the housing to automatically engage with the connector's locking member upon insertion. The actuation tab is positioned to allow the connector itself to trigger the locking action during the insertion process, ensuring proper seating before final connection is made.
Solution Approach 2:
The connector insertion process itself triggers the locking mechanism. As the connector is pushed into the housing, its locking member automatically engages with the locking arm, and the actuation tab moves to secure the connection. The system performs the locking action automatically without requiring separate manual operations.
Data Source
AI summary
A system for securing a cable assembly to an electronic module. The system comprises a first housing, a connector position assurance device, and a cable. The first housing includes a connector port with a socket and a retention tab. The first housing includes a wall having an outer surface. The connector position assurance device is movably coupled to the first housing. The connector position assurance device includes an actuation tab positioned on the outer surface of the wall and a locking arm extending into the connector port. The cable includes a conductive element and a locking member. The conductive element of the cable is received in the socket of the first housing.