Inductor Winding Structure With Chamfered Wire-Tail Routing
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Solution Overview
Problem
Existing inductor winding structures lack reliability and stability, leading to inconsistent electrical and mechanical properties, which poses challenges in achieving high-performance inductors.
Innovation Solution
A winding structure for an inductor comprising a magnetic core with specifically designed wire-hanging parts and chamfered surfaces, along with a method of manufacturing that involves bending wire tails in a controlled manner to ensure tight attachment and optimal consistency, featuring a magnetic core with a center column, flange, and coil configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional winding structures are used, then manufacturing is simpler, but reliability and stability of electrical and mechanical properties deteriorate
Solution Approach 1:
The magnetic core is segmented into multiple functional parts: center column, flange, and four wire-hanging parts positioned at different locations. This segmentation allows each part to serve specific functions (mechanical support, electrical connection, positioning) thereby improving overall reliability while distributing structural complexity across modular components
Solution Approach 2:
The wire-hanging parts extend in multiple spatial dimensions from the magnetic core (upwards, outwards, sideways), creating a three-dimensional winding structure. This dimensional expansion provides multiple attachment points for wire tails, enhancing mechanical stability and electrical reliability without requiring overly complex planar arrangements
2Stability of the object's composition
If conventional winding structures are used, then manufacturing process is simpler, but structural stability deteriorates
Solution Approach 1:
The magnetic core is pre-formed with four wire-hanging parts at specific positions and orientations before the winding process. This preliminary structural preparation ensures that wire tails can be systematically attached to predetermined locations, improving structural stability while providing clear manufacturing guidance that simplifies the assembly process
Solution Approach 2:
Different regions of the magnetic core are assigned different functional qualities: the center column provides central support, the flange provides base stability, and the four wire-hanging parts provide localized attachment points. This local differentiation of structural qualities enhances overall stability while making the manufacturing process more systematic and easier to control
3Manufacturing precision
If conventional winding structures are used, then manufacturing is easier, but electrical and mechanical property consistency deteriorates
Solution Approach 1:
The magnetic core is divided into standardized wire-hanging parts that can be consistently manufactured and positioned. This segmentation ensures uniform attachment geometry for wire tails across multiple inductors, improving electrical and mechanical property consistency while managing structural complexity through modular repetition
Solution Approach 2:
The wire-hanging parts are positioned asymmetrically at different locations around the magnetic core (front, rear, left, right sides). This asymmetric arrangement optimizes wire routing paths and attachment geometry, ensuring consistent electrical and mechanical properties while the underlying symmetric framework maintains manufacturing simplicity
Data Source
AI summary
A winding structure includes a coil having a wire wrap and two wire tails, and a magnetic core having a center column, a flange, four wire-hanging parts and two bosses; the center column is connected at a top surface of the flange, the first boss is disposed in the middle of a first side of the flange, and the second boss is symmetrical to the first boss; transition surfaces of wire-hanging parts to a bottom surface of the flange are chamfered surfaces; first to fourth sections of the first wire tail are sequentially attached to the first wire-hanging part and the first chamfered surface, the bottom surface of the flange, the third chamfered surface, the third wire-hanging part, and the top surface of the flange; first to fourth sections of the second wire tail are symmetrical to first to fourth sections of the first wire tail, respectively.