Ignition Resistor Structure for Moisture and Static Protection
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Solution Overview
Problem
Ignition resistors are vulnerable to humidity and static electricity, leading to ineffective ignition due to chemical reactions with external vapors and sulfur gas, and require precise resistance values which are difficult to maintain.
Innovation Solution
A moisture-resistant protective gel layer covers the ignition circuit, and anti-static layers are disposed on both sides of the ignition circuit, enhancing its anti-moisture and anti-static capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the narrow channel is used to achieve low resistance ignition, then the ignition efficiency is improved, but the vulnerability to humidity and static electricity increases
Solution Approach 1:
A protective gel layer is introduced as an intermediary substance between the narrow channel ignition structure and the external environment. This gel layer acts as a barrier that prevents harmful substances (humidity, sulfur gas) from contacting the narrow channel while allowing the ignition function to operate normally through the gel material.
Solution Approach 2:
The protective gel layer serves as a sacrificial protective element that can be easily replaced. Rather than protecting the entire ignition resistor structure complexly, a simple gel layer is used that can degrade or be replaced without affecting the core ignition structure, thus resolving the contradiction between reliability and environmental vulnerability.
2Manufacturing precision
If the narrow channel structure is used to achieve precise resistance values, then the ignition control is improved, but the chemical reactions with external vapors cause ineffectiveness
Solution Approach 1:
The protective gel layer functions as an intermediary barrier that isolates the precision-engineered narrow channel from external chemical environments. This allows the narrow channel to maintain its precise resistance characteristics without being contaminated by sulfur gas or other external vapors that would cause chemical reactions and render the ignition ineffective.
Solution Approach 2:
The protective gel creates an inert protective environment around the narrow channel ignition structure. This gel barrier prevents direct contact between the sensitive narrow channel and reactive external substances, effectively creating a chemically inert zone that preserves both the precision resistance values and the ignition effectiveness.
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 improves the ignition resistor's humidity resistance and anti-static properties, ensuring reliable operation by preventing chemical reactions and maintaining accurate resistance values.
Implementation Method 1
a layer of highly moisture-resistant protective gels is used to cover the ignition circuit
Implementation Method 2
conductive layers are disposed on both sides of the ignition circuit. That leads to eliminate static electricity
Data Source
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AI summary
An ignition resistor comprises a substrate, two antistatic layers, an ignition structure and a protective layer. The ignition structure is attached to the upper surface of the substrate through an adhesive layer, wherein the ignition structure includes two electrode portions and an ignition portion, the two electrode portions are respectively connected to two opposite ends of the ignition portion. The two antistatic layers are respectively disposed on the opposite sides of the ignition portion and the upper surface of the substrate between the two electrode portions, and the protective layer covers the ignition portion.