Panel Mounted Connector Assembly With Integrated Retention Features
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Solution Overview
Problem
Existing panel-mounted electrical connectors face issues such as falling out during installation due to wire bundle weight, requiring temporary retention devices and additional installers, and lack of versatility in handling multiple panel thicknesses, along with needing special tools and large access areas for assembly.
Innovation Solution
A connector assembly with a cap connector featuring an inner shroud, outer flange, and panel retention features that allow tool-less mounting, temporary retention, and secure positioning without requiring large access areas, along with a low-stress hinge design for various materials and vibration stabilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If temporary retention devices are used to prevent connector from falling out, then connector retention is improved, but device complexity and installation time increase
Solution Approach 1:
The connector housing includes integrated retention features (ears, slots, and engagement mechanisms) that automatically secure the connector to the panel during installation without requiring separate temporary retention devices. The design enables the connector to self-retain through its own structural features
Solution Approach 2:
The retention function is merged into the connector housing itself rather than being a separate component. The ears extending from the housing and the corresponding slots in the panel create an integrated retention system that eliminates the need for additional retention devices
2Manufacturing precision
If a second installer is required to place retention device from opposite side of panel, then connector positioning accuracy is improved, but productivity decreases
Solution Approach 1:
The connector design allows a single installer to complete the retention process by themselves. The retention ears and slots work together to automatically position and secure the connector without requiring a second person to assist from the opposite side of the panel
Solution Approach 2:
The retention system is segmented into discrete features (ears, slots, engagement points) that work independently to achieve proper positioning and retention, allowing single-operator installation while maintaining accuracy
3Device complexity
If connectors without temporary retention latches are used, then device complexity is reduced, but connector retention during mating deteriorates
Solution Approach 1:
The connector housing includes integrated retention features (ears, slots, and engagement mechanisms) that automatically secure the connector to the panel during installation without requiring separate temporary retention devices. The design enables the connector to self-retain through its own structural features
Solution Approach 2:
The retention system is designed to be dynamic rather than static, allowing the connector to be easily installed and removed while maintaining secure retention during operation. The engagement features provide sufficient holding force during mating but allow for controlled release when needed
4Manufacturing precision
If panel retention features are designed for single thickness, then manufacturing precision is improved, but adaptability deteriorates
Solution Approach 1:
The panel retention features are designed with adjustable characteristics that allow them to accommodate multiple panel thicknesses. The retention mechanism can adapt to different panel configurations while maintaining secure engagement, making the connector versatile for various applications
Solution Approach 2:
The retention system incorporates dynamic elements that allow adjustment to different panel thicknesses. The features can flex or adjust their position to maintain proper engagement whether the panel is thin or thick, providing both precision and adaptability
5Reliability
If special tools (torque wrench, locking ring, slide-clip) are used for mounting, then connector retention is improved, but ease of operation deteriorates
Solution Approach 1:
The connector design eliminates the need for special tools by incorporating self-retaining features directly into the housing. The retention ears and slots work together to automatically secure the connector without requiring torque wrenches, locking rings, or slide-clips
Solution Approach 2:
The design extracts the retention function from separate tool-based solutions and integrates it directly into the connector housing structure, eliminating the need for external tools and simplifying the installation process
6Reliability
If large access area is required for applying locking ring or slide-clip, then connector retention is improved, but area requirement increases
Solution Approach 1:
The design extracts the retention function from separate tool-based solutions and integrates it directly into the connector housing structure, eliminating the need for external tools and simplifying the installation process
Solution Approach 2:
The retention function is merged into the connector housing itself rather than being a separate component. The ears extending from the housing and the corresponding slots in the panel create an integrated retention system that requires minimal access area
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
A connector assembly for mounting to a panel includes a cap connector having a cap housing, a cap terminal block held in the cap housing and holding a plurality of cap terminals. The cap housing has an inner shroud, an inner flange surrounding the inner shroud and an outer flange extending outward from the inner flange. The inner flange has panel retention features extending therefrom. The inner shroud is loaded through an opening in the panel until the panel retention features engage the panel and temporarily secure the cap housing to the panel between the panel retention features and the outer flange.