Wire Harness Fixation for Electromagnetic Absorber Vibration
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Solution Overview
Problem
Conventional wire harnesses with electromagnetic wave absorbing members face vibration issues due to increased size, which can impair the wires when the absorbing members vibrate during vehicle travel.
Innovation Solution
A wire harness design incorporating an electromagnetic wave absorber on the wire's outer circumference, a protector to accommodate the absorber, and a fixing member to securely attach the absorber to the protector, stabilizing it and preventing vibration-induced damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the size of the electromagnetic wave absorbing member increases to reduce larger electromagnetic waves, then the absorbing capability is improved, but the vibration of the absorbing member increases and may impair the wire
Solution Approach 1:
The patent introduces a fixing member as an intermediary element between the electromagnetic wave absorbing member and the wire. This fixing member secures the absorbing member to prevent vibration, thereby protecting the wire from vibration-induced impairment while maintaining the absorbing member's size for effective electromagnetic wave absorption.
Solution Approach 2:
The patent applies preliminary anti-action by using a fixing member to preemptively counteract the vibration that would otherwise occur when the wire passes through the electromagnetic wave absorbing member. This prevents the harmful vibration effect before it can impair the wire.
2Reliability
If the electromagnetic wave absorbing member is made larger to handle larger electromagnetic waves, then the absorption performance is improved, but the device complexity and potential for vibration increase
Solution Approach 1:
The fixing member is a simple intermediary component that adds minimal structural complexity while effectively solving the vibration problem. It provides a straightforward mechanical solution that secures the absorbing member without requiring complex mechanisms.
Solution Approach 2:
The patent segments the wire harness into distinct functional components: the electromagnetic wave absorbing member for absorption, the fixing member for stabilization, and the wire for electrical connection. This segmentation allows each component to perform its specific function efficiently while maintaining overall system simplicity.
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 vibration of the electromagnetic wave absorber and prevents wire impairment by providing a stable fixation system, improving workability and ensuring the absorber's secure attachment.
Implementation Method 1
electromagnetic wave absorbing members that absorb electromagnetic waves (electromagnetic noise) emitted from the wires
Data Source
AI summary
A wire harness including: a wire; an electromagnetic wave absorber provided on an outer circumference of a portion of the wire in a length direction of the wire; a protector that has an accommodation configured to accommodate the wire and accommodate the electromagnetic wave absorber; and a first fixing member configured to fix the electromagnetic wave absorber to the protector.