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English
Views: 0 Author: Site Editor Publish Time: 2026-08-10 Origin: Site
Introduction The smart home market is moving toward a cordless kitchen environment. Small appliances like blenders, scales, and smart mugs are increasingly adopting wireless power technology to eliminate messy cables and improve hygiene by creating fully sealed, waterproof designs.
The Anonymized Case A premium smart kitchen brand was developing a high-speed cordless blender. The design required the base to be completely sealed for easy cleaning, but the initial wireless charging tests showed a charging efficiency of only 70%, causing the base to become uncomfortably warm.
Technical Challenge The primary issue was the distance and misalignment between the transmitter and receiver coils caused by the thick waterproof housing. This gap led to high leakage inductance and energy loss, resulting in slow charging and heat buildup.
The Fuying Solution Fuying Electronics leveraged its expertise in magnetic field optimization to create a custom coil set:
High-Q Design: We engineered a high-Q factor receiver coil using multi-strand Litz wire to minimize AC resistance at high frequencies.
Shielding Optimization: We implemented a custom ferrite shielding sheet to concentrate the magnetic flux, significantly reducing EMI and improving coupling efficiency.
Thermal Stability: The materials were selected to ensure stable performance even at internal temperatures exceeding 85 degrees Celsius.
Results
Efficiency: Charging efficiency was boosted from 70% to 88%, meeting the client's high-performance targets.
Temperature: Surface temperature during charging was reduced by 9 degrees Celsius, ensuring user safety.
Prototyping: Fuying provided verified functional samples within 4 days, accelerating the client's NPI (New Product Introduction) cycle.
Procurement Tip For kitchen appliances, waterproof integrity is key. Work with suppliers who can optimize coil performance through thick non-metallic barriers while maintaining strict thermal control.
