String-Shaped Magnet With Alternating Polarity Segments
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Solution Overview
Problem
Conventional string-shaped magnets with continuous magnetic polarities along their longitudinal direction generate magnetic lines only in a small area, limiting the penetration of magnetism into the body and reducing treatment effectiveness when used as magnetic treatment devices.
Innovation Solution
A string-shaped magnet with a flexible synthetic resin strand body containing magnetic powder and alternating magnetic parts with opposite polarities, allowing field lines to be generated across a wide area, and equipped with fasteners for easy wear around the body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a string-shaped magnet with continuous magnetic polarities along its longitudinal direction is used, then the structure is simple and continuous, but magnetic lines are generated only in a small area and magnetism cannot penetrate thoroughly into the body
Solution Approach 1:
The string-shaped magnet is divided into multiple magnetic parts along its longitudinal direction, with each part having a specific polarity. Adjacent magnetic parts have opposite polarities (north-south alternation), creating multiple magnetic field regions. This segmentation transforms the continuous magnetic structure into discrete alternating polarity segments, enabling magnetic lines to extend across the entire longitudinal direction and penetrate the body more effectively.
2Adaptability or versatility
If permanent magnets are used as magnetic treatment devices, then magnetic treatment function is achieved, but a magnetism capsule (housing) is needed which increases cost and reduces design flexibility
Solution Approach 1:
The magnet uses a composite structure combining a flexible strand body made of synthetic resin with magnetic powder dispersed within it. This composite material approach eliminates the need for separate magnetism capsules while maintaining magnetic treatment functionality. The flexible strand body itself serves as both the structural support and the magnetic element carrier, reducing overall device complexity and increasing design flexibility.
3Ease of manufacture
If a flexible strand body containing magnetic powder is used, then cost is reduced and design flexibility is improved, but magnetic lines are generated only in a small area reducing treatment effect
Solution Approach 1:
The flexible strand body is magnetized to create alternating magnetic parts with opposite polarities along its longitudinal direction. This segmentation creates multiple magnetic field regions that extend across the entire length of the strand, transforming it from a single-polarity continuous structure to a multi-polarity segmented structure. This enables comprehensive magnetic field coverage for effective body penetration while maintaining the cost-effective flexible strand body 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 alternating polarities of the magnetic parts enable field lines to effectively penetrate and act on wide areas of the body, enhancing the treatment effect by improving magnetism penetration and flexibility in design.
Implementation Method 1
polarities of the magnetic parts that are adjacent to each other are opposite to each other... generate field lines between the adjacent magnetic parts across a wide area
Data Source
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AI summary
Provided is a string-shaped magnet in which first magnetic parts 3 and second magnetic parts 4 are arranged alternately in series along a longitudinal direction of a flexible strand body 2 made of synthetic resin and containing a magnetic powder, each of the first magnetic parts 3 having a planar polar boundary surface 3a, each of the second magnetic parts 4 having a polar boundary surface 4a substantially in the same plane as the polar boundary surface 3a of the first magnetic part 3 and has magnetic polarities opposite to those of the first magnetic part 3.