Connector Conductive Housing With Elastic Gap Bridging for EMC
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Solution Overview
Problem
Conventional conductive housings for connectors often have gaps between terminal pins, which affect electromagnetic compatibility (EMC) regardless of whether the housing is plugged into a printed circuit board (PCB), leading to unreliable contact and compatibility issues.
Innovation Solution
A conductive housing with integrated terminal connection portions, terminal pins, and conductive elastic pieces that cover gaps between the terminal pins, forming an interference fit with the PCB, enhancing EMC and ensuring reliable contact through elasticity and common grounding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If gaps are left between terminal pins for ease of manufacturing and assembly, then manufacturing complexity is reduced, but electromagnetic compatibility deteriorates
Solution Approach 1:
A conductive elastic piece is introduced as an intermediary element between adjacent terminal pins to bridge the gaps. This elastic piece makes contact with both terminal pins, creating an electrical connection that eliminates the harmful electromagnetic effect of the gap while maintaining the manufacturing simplicity of having spaced terminal pins.
Solution Approach 2:
The conductive elastic piece functions as a flexible conductor that can deform to make contact with adjacent terminal pins. Its elastic nature allows it to bridge gaps reliably while accommodating manufacturing tolerances and assembly variations, thus maintaining electromagnetic compatibility without compromising ease of manufacture.
2Object-affected harmful factors
If conductive elastic pieces are added to cover gaps for improving EMC, then electromagnetic compatibility is improved, but device complexity increases
Solution Approach 1:
The conductive elastic piece integrates multiple functions into a single component: it provides electromagnetic shielding by bridging gaps between terminal pins, establishes electrical connections, and provides mechanical support. This merging of functions improves EMC without proportionally increasing device complexity.
Solution Approach 2:
The conductive elastic piece serves multiple purposes simultaneously: it acts as an electromagnetic shield, an electrical conductor, and a mechanical element that can deform to accommodate tolerances. This multi-functionality allows a single component to address EMC issues without requiring multiple separate elements, thus limiting the increase in device complexity.
3Ease of manufacture
If terminal connection portions are spaced apart for manufacturing simplicity, then ease of manufacture is maintained, but reliability of electromagnetic shielding deteriorates
Solution Approach 1:
The conductive elastic piece is designed to be dynamically deformable, allowing it to adapt to manufacturing tolerances and assembly variations. Its elastic nature enables it to reliably bridge gaps between terminal pins even when spacing varies, thus maintaining electromagnetic shielding reliability without requiring precision manufacturing.
Solution Approach 2:
The conductive elastic piece is self-adjusting through its elastic deformation, automatically adapting to the actual spacing between terminal pins during assembly. This self-service capability ensures reliable electromagnetic shielding without requiring precise pre-manufacturing of gap dimensions, maintaining both ease of manufacture and reliability.
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 solution significantly improves electromagnetic compatibility, ensures reliable and repeatable plugging with the PCB, and simplifies the manufacturing process while reducing defects and costs.
Implementation Method 1
at least one conductive elastic piece, one of which being connected between the two adjacent terminal connection portions to at least partially cover the gap between the two adjacent terminal connection portions
Implementation Method 2
The conductive elastic piece has elasticity, can be in interference fit with the printed circuit board to achieve reliable contact and repeatable plugging, and the conductive housing has a simple manufacturing process
Data Source
AI summary
The disclosure relates to a conductive housing for the connector and a connector comprising the conductive housing. The conductive housing comprises a plurality of side surfaces, at least one of which comprising a plurality of terminal connection portions spaced apart from one another at an edge portion of the side surface, and a gap being formed between two adjacent terminal connection portions; and a plurality of terminal pins, each of which being connected to the respective terminal connection portion. The conductive housing further comprises at least one conductive elastic piece, one of which being connected between the two adjacent terminal connection portions to at least partially cover the gap between the two adjacent terminal connection portions. By means of such arrangement, the conductive elastic piece covers most areas between the terminal pins so as to enhance electromagnetic compatibility.