Waterproof Electrical Connector With Internal Capping Body
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Solution Overview
Problem
Conventional electrical connectors are prone to moisture ingress due to their design, leading to compromised electrical functions, and existing waterproof solutions increase the size of the connectors, which is undesirable for miniaturization.
Innovation Solution
An electrical connector design featuring a first shell with discontinuous portions, an insulated housing, conductive terminal sets, a capping body made of plastic, and a sealing body that prevents moisture entry without external waterproof structures, maintaining a slim and lightweight form factor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a waterproof casing is added to cover the electrical connector, then waterproofing performance is improved, but the size of the electrical connector increases
Solution Approach 1:
The patent applies nesting by placing the capping body inside the electrical connector housing rather than as an external cover. The capping body is positioned within the receiving space, nested among the conductive terminals and insulated housing, thereby providing waterproofing without increasing the external dimensions of the connector.
Solution Approach 2:
The capping body is designed as a thin plastic sheet or film that can conform to the internal space of the connector. This thin-film approach provides effective waterproof coverage over the discontinuous portions while occupying minimal volume, avoiding the bulkiness of traditional rigid waterproof casings.
2Ease of manufacture
If discontinuous portions are formed on the first shell for structural design, then ease of manufacture is improved, but moisture resistance deteriorates
Solution Approach 1:
The patent extracts the waterproofing function from the main shell structure by adding a separate capping body element. The capping body is a distinct component that can be manufactured independently and then attached to seal the discontinuous portions, allowing the shell to maintain its easy-to-manufacture discontinuous design while gaining moisture resistance.
Solution Approach 2:
The capping body acts as an intermediary element between the discontinuous portions of the shell and the internal components. It mediates the contradiction by providing a sealing function that prevents moisture ingress through the discontinuous portions without requiring changes to the shell's easy-to-manufacture structure.
Data Source
AI summary
An electrical connector is provided, which includes: a first housing having a discontinuous portion, an insulating main body received in the first housing, a shielding piece disposed in the insulating main body, two conductive terminal sets disposed on the insulating main body, a capping body covering the discontinuous portion, and a sealing body coupled with the first housing. By the design of the capping body, water vapor or moisture cannot seep through the discontinuous portion to enter the first housing.