Electrical Connector Terminal With Attached Strip Connecting Portion
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Solution Overview
Problem
Existing electrical connectors with terminals suffer from a 'wooden pile effect' when transmitting high-frequency signals, leading to reduced fidelity and stability due to gaps between the strip connecting portion and the contact arm, which affects the intensive arrangement and signal transmission quality.
Innovation Solution
The design includes a terminal with a base, a contact arm, and a strip connecting portion where the plate surface of the strip connecting portion is attached to the contact arm, reducing the gap and preventing the 'wooden pile effect, while maintaining the same width and facilitating intensive arrangement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the strip connecting portion is positioned higher than the assembly portion to enable intensive arrangement of terminals, then the terminal width is reduced and intensive arrangement is facilitated, but a large gap is formed between the strip connecting portion and the contact arm, causing the wooden pile effect that degrades high-frequency signal transmission quality
Solution Approach 1:
The patent positions the strip connecting portion in a different vertical dimension (higher level) than the assembly portion, allowing the terminal to maintain a compact horizontal footprint while reducing the horizontal gap between components. This vertical stacking approach enables intensive terminal arrangement without compromising signal transmission quality.
Solution Approach 2:
The strip connecting portion is nested above the assembly portion in a vertical arrangement, with the contact arm extending to connect these components. This nested configuration allows multiple functional elements to occupy overlapping horizontal space, reducing overall terminal width while maintaining proper electrical connections for high-frequency signals.
2Reliability
If the strip connecting portion is positioned at the same level as the assembly portion, then the gap between components is reduced improving signal transmission, but the terminal width increases making intensive arrangement difficult
Solution Approach 1:
Instead of placing the strip connecting portion horizontally adjacent to the assembly portion (which would increase terminal width), the patent positions it in a vertical dimension above the assembly portion. This dimensional transition maintains compact terminal footprint while ensuring adequate connection quality for high-frequency signals.
Solution Approach 2:
The patent applies different spatial arrangements to different parts of the terminal: the contact arm extends horizontally to maintain local connection quality, while the strip connecting portion is positioned vertically above to optimize overall terminal compactness. This localized quality differentiation resolves the contradiction between signal transmission and intensive arrangement.
3Ease of manufacture
If the contact arm is formed by bending and extending from the assembly portion, then the terminal structure is simplified and manufacturing is easier, but a large gap is created between the contact arm and strip connecting portion causing the wooden pile effect
Solution Approach 1:
The contact arm is designed to extend not only horizontally from the assembly portion but also vertically upward to reach the strip connecting portion positioned above. This three-dimensional bending path maintains manufacturing simplicity while reducing the effective gap between components to eliminate the wooden pile effect.
Solution Approach 2:
The contact arm incorporates flexible bending sections that allow it to dynamically adapt its shape during assembly and operation, enabling it to bridge the vertical distance between the assembly portion and the elevated strip connecting portion while maintaining reliable electrical contact for high-frequency signals.
Data Source
AI summary
An electrical connector and a terminal thereof are disclosed. The terminal includes a base for being retained in an accommodating hole of an insulating body, a contact arm formed by bending and extending upward from the base for abutting a chip module, a conducting portion formed by extending from the base for being conductively connected with a circuit board, and a strip connecting portion for being connected with a strip. A plate surface of the strip connecting portion is attached to a plate surface of the contact arm. Since the plate surface of the strip connecting portion is attached to the plate surface of the contact arm, a width of the terminal is not increased, thereby facilitating intensive arrangement of the terminals, reducing a gap between the strip connecting portion and the plate surface of the contact arm, and preventing from the wooden pile effect of the strip connecting portion.