Audio Connector Direct Wire Contact and Pressing Mechanism
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Solution Overview
Problem
Conventional audio connectors experience signal attenuation and noise interference due to indirect electrical connections through intermediary conductors, and are prone to conductive end damage and separation under external forces due to inadequate resistance.
Innovation Solution
An audio connector design featuring a terminal plug with a guide plate for direct electrical connection to the multi-core wire, a wire collecting member to secure the conductive ends, and a pressing member to ensure maximum contact area resistance, along with a casing for electromagnetic interference shielding and a holding unit to prevent wire detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an intermediary conductor is used to connect the multi-core wire to the terminal plug, then the wire can be secured in position, but signal attenuation and noise interference occur
Solution Approach 1:
The patent removes the intermediary conductor from the connection path between the multi-core wire and terminal plug. The conductive ends are directly connected to the terminal plug contacts, eliminating the intermediate connection element that caused signal attenuation and noise interference while maintaining secure positioning through the pressing member and receiving space structure.
2Strength
If the pressing member presses only a small portion of the conductive ends, then the structure is simple, but insufficient resistance to shear stresses and pulling forces results in wire separation
Solution Approach 1:
The patent transitions from pressing only the tip of the conductive ends to pressing the entire surface area of the conductive ends. The receiving space is designed with dimensions that accommodate the full width of the conductive ends, and the pressing member applies force across the entire contact surface, distributing stress evenly and significantly increasing resistance to shear stresses and pulling forces.
3Ease of manufacture
If the conductive ends are exposed for soldering, then ease of manufacture is improved, but the conductive ends become vulnerable to damage
Solution Approach 1:
The patent allows the conductive ends to be exposed during the manufacturing and soldering process for ease of assembly, then subsequently covers them with the wire collecting member and pressing member after soldering is complete. This preliminary exposure followed by protection ensures both manufacturing ease and operational protection.
Data Source
AI summary
An audio connector includes: a body; a terminal plug fixed in position to the body and having a guide plate penetrating the body for supporting and being electrically connected to the conductive ends of a multi-core wire; a wire collecting member disposed inside the body, wherein the wire collecting member and the guide plate collectively define a receiving space for receiving and collecting the conductive ends of the multi-core wire; and a pressing member disposed inside the wire collecting member for pressing the conductive ends of the multi-core wire in conjunction with the guide plate and the wire collecting member, wherein a maximum width of the receiving space is smaller than or equal to that of the pressing surface of the pressing member.