Plug Connector Thinner Profile via Segmented Power Wires
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Solution Overview
Problem
USB Type-C plug connectors face challenges with heat dissipation and increased height due to the need for larger power wires for efficient electricity transmission, resulting in poor heat dissipation and a thicker overall design.
Innovation Solution
The design includes two power terminals connected via a second soldering portion with a wider width, allowing for thinner power wires and improved heat dissipation, along with a mating slot and soldering portions arranged to accommodate multiple power wires effectively, while maintaining a thinner profile.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a single large-diameter power wire is used for electricity transmission, then the electricity transmission capability is improved, but the heat dissipation effect deteriorates and the overall height of the plug connector increases
Solution Approach 1:
The patent divides the single large-diameter power wire into multiple thinner power wires (at least two power wires connected to the second soldering portion). This segmentation maintains the total current transmission capability while increasing the surface area for heat dissipation, and reducing the height required for wire arrangement in the height direction
2Power
If a single large-diameter power wire is used for electricity transmission, then the electricity transmission capability is improved, but the overall height of the plug connector increases
Solution Approach 1:
The patent segments the power transmission function across multiple thinner wires arranged in the left-right direction on the second soldering portion, rather than using a single thick wire that would require more height. This allows the connector to maintain a thinner profile while achieving the required power transmission capability
Solution Approach 2:
The patent transitions from vertical arrangement (height direction) to horizontal arrangement (left-right direction) of power wires. The second soldering portion is designed with sufficient width to accommodate multiple power wires side by side, moving the arrangement to the left-right dimension and freeing up height space
3Temperature
If multiple power wires are arranged side by side on the second soldering portion, then the heat dissipation effect is improved, but the width requirement of the second soldering portion increases
Solution Approach 1:
The patent concentrates the width requirement locally at the second soldering portion, which is designed with sufficient width to accommodate multiple power wires. The rest of the connector structure maintains its original dimensions, so the increased width is localized and does not affect the overall compactness of the connector
Data Source
AI summary
A plug connector includes an insulating body, two power terminals arranged on the insulating body, and a cable having at least two power wires. A mating portion is provided at a front end of the insulating body. The mating portion is recessed with a mating slot from front to back. The mating slot has a first width in a left-right direction. Each power terminal has at least one contacting portion protruding and extending into the mating slot. The two power terminals are conducted and are provided with a second soldering portion. The second soldering portion has a second width in the left-right direction, which is greater than one third of the first width. The at least two power wires are connected to the second soldering portion.