Waterproof Electrical Receptacle Connector With Seamless Metallic Shell
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Solution Overview
Problem
Existing USB connectors face issues with crosstalk and electromagnetic interference at higher transmission speeds, leading to structural weaknesses and increased repair costs, especially when used in underwater applications.
Innovation Solution
A waterproof electrical receptacle connector design featuring a metallic shell with protrusions and an insertion module, including conductive sheets for shielding, which allows for dual orientation and a seamless contact to reduce interference and enhance structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If shielding members are provided to suppress crosstalk and electromagnetic interference, then shielding performance is improved, but device complexity increases and manufacturing becomes more difficult
Solution Approach 1:
The patent combines the shielding function with the metallic shell structure itself, making the shell serve dual purposes as both structural component and electromagnetic shield. This integration eliminates the need for separate shielding members, reducing component count and simplifying manufacturing while maintaining effective EMI protection.
Solution Approach 2:
The metallic shell is designed to perform multiple functions simultaneously: providing structural support, enabling mechanical connection through protrusions, and offering electromagnetic shielding. This multi-functionality reduces the overall complexity of the connector by eliminating dedicated shielding components.
2Object-affected harmful factors
If multiple fixtures are inserted into the connector to provide shielding, then shielding performance is improved, but structural strength is reduced due to cracks
Solution Approach 1:
The shielding function is merged into the integral metallic shell structure with seamless protrusions, eliminating the need for multiple separate fixtures. This integration maintains structural integrity and strength while providing effective shielding against crosstalk and electromagnetic interference.
3Object-affected harmful factors
If the connector has cracks for insertion of shielding fixtures, then shielding is improved, but waterproof performance deteriorates
Solution Approach 1:
The shielding structure is merged into the seamless metallic shell with integral protrusions, eliminating cracks and openings that would compromise waterproofing. The design maintains both EMI shielding effectiveness and water resistance simultaneously.
Solution Approach 2:
The metallic shell is designed as a seamless, continuous structure that acts as both a protective barrier against water and an electromagnetic shield, eliminating the need for separate fixtures that would create openings.
4Object-affected harmful factors
If separate shielding components are added to the connector, then shielding performance is improved, but manufacturing cost increases
Solution Approach 1:
The shielding function is combined with the metallic shell structure, eliminating the need for separate shielding components. This integration simplifies manufacturing processes and reduces overall production costs while maintaining effective radiofrequency interference protection.
Data Source
AI summary
An electrical receptacle connector includes a metallic shell and one or more insertion modules. The metallic shell includes two first walls, two second walls, and several protrusions. The walls form an insertion space. The protrusions are extending toward the insertion space from the first walls, and the protrusions are integrally formed on the first walls seamlessly. The insertion module includes an insulated housing, first receptacle terminals, second receptacle terminals, and a grounding plate between the first receptacle terminals and the second receptacle terminals. When the electrical receptacle connector is mated with an electrical plug connector, the protrusions are in contact with a metallic shell of the electrical plug connector. Because the walls of the metallic shell are seamless, the connector assembly of the plug and receptacle can be waterproof. Moreover, the contacts between the protrusions and the electrical plug connector reduce the electromagnetic interferences and the radiofrequency interferences.