Motor Connecting Member Solid Wire Vibration Resistance
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Solution Overview
Problem
Conventional motor connecting members using stranded wires are prone to breaking due to vibration, leading to swinging and increased device size as a result of the need for wider spacing to prevent contact, which complicates connections between motor windings and terminal blocks.
Innovation Solution
A motor connecting member featuring a terminal, a winding connecting portion, and an extended portion made by plastically deforming a single wire with a circular cross section, bent into a predetermined shape for secure connection between the motor winding and terminal block, reducing vibration-induced stress and preventing detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a stranded wire is used for the connecting wire, then the interconnecting member can be flexibly bent to facilitate connection, but the connecting wire swings due to vibration and is likely to break after long-term use
Solution Approach 1:
The patent changes the physical state of the wire from stranded (flexible but prone to breaking) to solid (rigid but formable). By plastically deforming the solid wire into a predetermined bent shape, the invention achieves both the flexibility needed for connection and the strength needed to resist vibration-induced breaking.
2Reliability
If the connecting wire and members are spaced wide apart to prevent contact, then contact between the connecting wire and members is avoided, but the device size increases
Solution Approach 1:
The patent applies preliminary action by pre-bending the solid wire into a predetermined shape that fits the connection path. This pre-formed shape allows the wire to navigate around obstacles and maintain appropriate spacing from members without requiring excessive clearance, thus preventing contact while minimizing device size.
3Reliability
If a solid wire is plastically deformed into a predetermined shape, then swinging due to vibration is suppressed and connection is facilitated, but the manufacturing process becomes more complex
Solution Approach 1:
The patent segments the connecting member into distinct functional portions: a straight portion for connection, a bent portion for routing, and a connecting portion for attachment. This segmentation allows each portion to be optimized for its specific function while simplifying the overall manufacturing process through modular construction.
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 effectively suppresses swinging due to vibration, facilitates easy connection between motor windings and terminal blocks, and maintains a stable assembly, reducing the risk of breakage and ensuring reliable electrical contact.
Implementation Method 1
the extended portion is made by plastically deforming a single wire having a circular cross section, and is bent in a predetermined shape fitted for connection between an end of the motor winding connected with the winding connecting portion and the terminal block
Data Source
AI summary
A motor connecting member, which connects a motor winding and a terminal block, includes a terminal to be connected to the terminal block, a winding connecting portion to be connected to the motor winding, and an extended portion extending between the terminal and the winding connecting portion. The extended portion is made by plastically deforming a single wire having a circular cross section, and is bent in a predetermined shape fitted for connection between an end of the motor winding connected with the winding connecting portion and the terminal block.