Connector With Orthogonal Contacts And Deformed Ground Shield
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Solution Overview
Problem
Connectors with pairs of contacts for high-speed and low-speed signal transmission experience crosstalk issues due to noise interference from low-speed signal transmission contacts affecting high-speed signal transmission characteristics.
Innovation Solution
A connector design with first and second pairs of contacts aligned orthogonally, where the first pair includes a deformed portion partially separated from the second pair to minimize noise influence, housed within an insulating resin structure with a metal mid-plate and waterproof features to enhance signal integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If ground contact with bent portion is disposed between high-speed and low-speed signal contacts to narrow alignment pitch, then connector miniaturization is achieved, but crosstalk occurs between low-speed and high-speed signal contacts
Solution Approach 1:
The connector is divided into distinct modules: high-speed signal transmission module, low-speed signal transmission module, and ground contact module. This segmentation isolates the low-speed signal contacts from the high-speed signal contacts, preventing crosstalk while maintaining miniaturization. The bent portion of the ground contact further segments the electromagnetic field between the two signal types.
Solution Approach 2:
The ground contact with bent portion acts as an intermediary element between high-speed and low-speed signal contacts. The bent portion creates an electromagnetic shield that mediates the interaction between the two signal types, blocking noise transmission while allowing both signal types to coexist in a compact arrangement.
2Length of moving object
If low-speed signal contacts are placed adjacent to high-speed signal contacts, then alignment pitch is reduced, but noise from low-speed contacts affects high-speed signal transmission
Solution Approach 1:
The ground contact's bent portion extends in the vertical dimension (fitting direction) rather than only in the horizontal alignment direction. This three-dimensional configuration creates electromagnetic shielding in the vertical dimension, effectively isolating high-speed and low-speed signals while maintaining compact horizontal alignment pitch.
Solution Approach 2:
The ground contact structure is locally modified with a bent portion specifically at the position between high-speed and low-speed signal contacts. This localized structural change creates targeted electromagnetic shielding only where needed, maintaining signal transmission quality without affecting overall connector dimensions.
Data Source
AI summary
A connector includes a plurality of contacts having a first pair of contacts and a second pair of contacts, and a housing configured to hold the plurality of contacts, the plurality of contacts each including a contact portion to be in contact with a contact of a mating connector, a connection portion to be connected to a connection target object, and a held portion disposed between the contact portion and the connection portion and embedded in the housing, the first pair of contacts each including, in the held portion, a deformed portion partially separated from the second pair of contacts.