Modular Insulation Module for Linear Motor Iron Core
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Solution Overview
Problem
Conventional insulation methods for linear motors require significant manual labor and are inefficient due to the difficulty in properly positioning insulation materials between the iron core and coil windings, leading to potential short circuits.
Innovation Solution
A modular insulation device is created using molded sheet insulation material with a design that matches the iron core's shape, featuring enclosures and slots to securely fit around the teeth, allowing for efficient assembly and prevention of short circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional insulation papers are used manually for each tooth, then insulation between iron core and coil windings is achieved, but enormous human labor is consumed
Solution Approach 1:
Multiple individual insulation papers for each tooth are merged into a single integrated insulation module that covers all teeth simultaneously. The module includes a base plate and multiple partition walls that extend from the base plate to provide insulation for each tooth, replacing the need for manual placement of separate insulation papers for each tooth.
Solution Approach 2:
The insulation module is segmented into multiple functional parts including a base plate and multiple partition walls, each serving specific insulation functions for different teeth. This segmentation allows the module to maintain effective insulation for each individual tooth while being assembled as a single integrated component.
2Reliability
If insulation papers are positioned manually during coil wrapping, then insulation treatment is completed, but malposition occurs due to difficulty in proper positioning
Solution Approach 1:
The insulation module is pre-assembled with all partition walls and insulation structures positioned correctly before the coil winding process. The base plate and partition walls are configured in advance to match the tooth arrangement, ensuring that when the module is installed, the insulation is already in the correct position without requiring manual adjustment during coil wrapping.
Solution Approach 2:
The insulation module serves as an intermediary structure between the iron core and the coil windings. It includes a base plate that contacts the iron core and partition walls that extend to separate the coil windings for adjacent teeth, providing a stable intermediate structure that ensures proper positioning and prevents direct contact between the coil windings and iron core.
3Reliability
If manual insulation treatment is performed for every single tooth, then complete insulation coverage is achieved, but the operation consumes enormous human labor
Solution Approach 1:
Multiple individual insulation operations for each tooth are merged into a single module assembly operation. The insulation module integrates insulation structures for all teeth into one component that can be installed as a single unit, reducing the number of discrete operations required while maintaining complete insulation coverage for each tooth.
Data Source
AI summary
An insulation device for being assembled in a linear motor is primarily made through molding a sheet insulation material into an insulation module with the shape harmonized with the shape of an iron core of a linear motor. Thus, coil wildings can be indirectly wrapped around the iron core with the insulation module positioned intermediately and thereby a linear motor with perfect insulation treatment between the iron and coil windings is achieved.