Electronic Housing Flame-Retardant Layer for Battery Explosion Protection
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Solution Overview
Problem
Batteries in electronic devices can explode due to external shocks, pressure, or power system abnormalities, leading to potential fires and combustion of the housing.
Innovation Solution
The housing is designed with a flame retardant layer to mitigate the effects of battery explosions, using a two-component type paint mixed with flame retardant materials to form a laminated structure that delays combustion and acts as a buffer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the housing is made with standard materials to achieve visual luxury and design differentiation, then the aesthetic appearance is improved, but the flame retardancy and safety are worsened
Solution Approach 1:
The housing is constructed using a composite material system consisting of a base polymer layer and a flame retardant layer. The flame retardant layer contains inorganic flame retardant materials (such as aluminum hydroxide, magnesium hydroxide, or boron compounds) dispersed in a polymer matrix, creating a multi-layer composite structure that provides both aesthetic appearance and fire safety properties.
Solution Approach 2:
The flame retardant properties are localized to specific layers of the housing structure. The flame retardant layer is positioned between the decorative outer layer and the battery compartment, providing targeted fire protection where it is most needed (near the battery) while maintaining the visual luxury of the outer surface.
2Reliability
If a flame retardant layer is added to the housing to prevent combustion, then the safety and reliability are improved, but the device complexity and manufacturing difficulty are worsened
Solution Approach 1:
The flame retardant layer is integrated with the housing manufacturing process itself, rather than being added as a separate component. The flame retardant polymer composition is applied and cured to form an integral part of the housing structure, merging the protective function with the structural element.
Solution Approach 2:
The polymer composition parameters are modified to include flame retardant additives and inorganic materials. By changing the chemical composition and physical properties of the polymer material (adding flame retardant compounds, adjusting molecular weight, modifying crosslinking density), the housing gains fire resistance without fundamentally changing the manufacturing process architecture.
3Reliability
If flame retardant materials are incorporated into the housing, then the combustion resistance is improved, but the manufacturing precision and process control are worsened
Solution Approach 1:
The flame retardant properties are built into the housing during the initial manufacturing process. The polymer composition is prepared with flame retardant additives before the housing is formed, and the flame retardant layer is applied and cured as part of the standard manufacturing sequence, ensuring consistent fire protection without requiring post-manufacturing interventions.
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 flame retardant layer enhances the stability and reliability of electronic devices by preventing or delaying housing combustion, thus improving safety and reducing damage from battery explosions.
Implementation Method 1
The flame retardant layer may include a two-component type paint and a flame retardant material... acts as a buffer... delays combustion
Implementation Method 2
The flame retardant layer may include a two-component type paint and a flame retardant material
Data Source
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AI summary
According to one embodiment of the present invention, an electronic device comprises a housing for forming at least one surface, and a flame retardant layer arranged on the housing, wherein the flame retardant layer may comprise a two-component type paint and a flame retardant material. Various other embodiments are possible.