Aromatic Liquid Crystal Polyester Resin Insulation for High Voltage
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Solution Overview
Problem
Conventional resin compounds used in electronic parts fail to maintain sufficient electrical insulating properties when subjected to high voltages, leading to reduced arc resistance and potential destruction of the parts.
Innovation Solution
An electric transformer insulating film comprising a wholly aromatic liquid crystalline polyester resin compound with specific inorganic fillers, including mica, talc, and glass fibers, which enhances electrical insulating properties, heat resistance, and mechanical strength, preventing arc discharge in high-voltage applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional resin compounds are used in high-voltage electronic parts, then the parts can be manufactured, but the electrical insulating properties are insufficient leading to reduced arc resistance
Solution Approach 1:
The patent applies composite materials by combining wholly aromatic liquid crystalline polyester resin with specific inorganic fillers (mica, talc, glass fibers) to create a resin compound with enhanced electrical insulating properties and arc resistance suitable for high-voltage applications
Solution Approach 2:
The patent changes the physical and chemical parameters of the resin compound by controlling the content ranges of different inorganic fillers (mica: 10-40 wt%, talc: 10-40 wt%, glass fibers: 5-30 wt%) to optimize electrical insulating properties and arc resistance
2Reliability
If inorganic fillers are added to improve electrical insulating properties, then arc resistance increases, but the resin compound complexity increases
Solution Approach 1:
The patent manages composition complexity by defining specific content ranges for each inorganic filler component, transforming a complex multi-component system into a controlled formulation with optimized performance
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 film exhibits excellent electrical insulating properties, heat resistance, and mechanical strength, ensuring the integrity of electronic parts under high-voltage conditions by maintaining arc resistance and preventing damage.
Implementation Method 1
a first inorganic filler having a surface resistivity of 10^13 to 10^15 Ω/□
Data Source
AI summary
Provided is a wholly aromatic liquid crystalline polyester resin compound having excellent electrical insulating properties, heat resistance, and mechanical strength du e to the inclusion of an inorganic filler having low electrical conductivity, high heat resis tance, and high mechanical strength.