Socket Connector Elastic Shielding Sheets Signal Stability
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Solution Overview
Problem
Existing socket connectors for medical instruments scratch the plug surface during frequent operations, require complex surface processing for effective contact, and can compromise the stability of ultrasonic signal transmission due to direct force transfer to the circuit board.
Innovation Solution
A socket connector design featuring a metal shield plate with stepped through-slots and elastic shielding sheets that snap into openings, allowing the sheets to contact the plug's inner surface for shielding without scratching and distributing the plug-in/pull-out force to the metal shield plate, thereby stabilizing ultrasonic signal transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If elastic shielding sheets are fixed on the metal shield plate by riveting or soldering, then the shielding effect is improved, but the manufacturing complexity and process time increase
Solution Approach 1:
The patent uses elastic shielding sheets that can be deformed and bent to fit around the plug shell, providing effective shielding without requiring complex fixed structures. The elasticity of the sheets allows them to conform to the plug surface while maintaining shielding effectiveness, eliminating the need for riveting or soldering processes.
Solution Approach 2:
The patent extracts the fixation function from the shielding sheet assembly by using the elasticity of the sheets themselves to provide both shielding and secure positioning. The elastic sheets are designed to be inserted into slots on the metal shield plate, where their elasticity provides both the shielding function and the mechanical retention, separating the shielding function from the fixation function while using a single component to achieve both.
2Reliability
If elastic shielding sheets contact the outer surface of the plug shell, then electrical contact is achieved, but the plug surface gets scratched during frequent operations
Solution Approach 1:
Instead of having the elastic shielding sheets contact the outer surface of the plug shell, the patent inverts the arrangement so that the sheets contact the inner surface of the plug shell. The elastic sheets are positioned to touch the inner surface where the plug is inserted, providing electrical contact through the plug's inner surface rather than scratching the outer surface. This inversion of the contact location eliminates the harmful scratching effect while maintaining electrical connectivity.
3Device complexity
If the plug-in force is directly transferred to the probe circuit board via the probe socket, then the connector structure is simple, but the circuit board life is shortened
Solution Approach 1:
The patent introduces the metal shield plate as an intermediary component between the plug and the probe circuit board. The elastic shielding sheets are mounted on this metal shield plate, which acts as a mediator to distribute and absorb the mechanical forces during plug-in and pull-out operations. The metal shield plate with its elastic sheets provides a compliant interface that protects the fragile circuit board from direct force transfer, extending its service life while maintaining a relatively simple connector structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution simplifies mounting and surface processing, prevents plug surface scratching, and enhances the stability of ultrasonic signal transmission by ensuring the force is transferred through the metal shield plate, extending the life of the circuit board.
Implementation Method 1
elastic shielding sheets, each elastic shielding sheet having an end snapped into the openings toward inside of the shield shell, and having a portion protruding from the openings toward outside of the shield shell so that the portion of each elastic shielding sheet contacts with the inner surface of the shell of a plug
Data Source
AI summary
A socket connector comprises a circuit board with a socket part mounted on the outside thereof; a socket shield part; a metal shield plate with a through-slot, on the outside of which the socket shield part is mounted; a shield shell with openings on the wall thereof, forming into a shield chamber for fitting a plug and arranged on the socket shield part; and elastic shielding sheets, snapped into the openings and protruding outwards from the openings, wherein the socket part is inserted into the shield chamber formed by the shield shell through the through-slot of the metal shield plate. The elastic shielding sheets can be easily mounted since they are snapped into the shield shell; due to protruding outwards, the elastic shielding sheets come into contact with the inner surface of the shell of the plug to enable shield when the plug is inserted, so that the surface of the shell of the plug will not be scratched; due to the providing of the metal shield plate, the partial shield around the socket part can achieved, resulting in that the stability of the transmission of the ultrasonic signal is secured.