A Handheld Fan Packed with Multiple Standout Features
Upgraded from a traditional fan to a cooling fan, it now delivers significantly improved battery life and a much higher rotation speed.
Peltier Plate / TEC Cooling Chip
1–199 speed levels
90-degree bend design
4000mAh large-capacity battery
12,000 RPM motor
Real-time digital display screen
Type-C port
Certified: FCC, RoHS, CE
Engineering Challenges, Refined Solutions
These before-and-after comparisons highlight key design and manufacturing challenges identified during development, and how our engineering team refined the structure through optimized materials, processes, and tooling.
Hot-Side Thermal Dissipation Limitation
The cold side of the TEC thermoelectric cooler rapidly decreases in temperature, but insufficient heat dissipation at the hot side causes the cold side temperature to rise quickly, resulting in a short-lived cooling effect.
Manufacturing Process Solutions
Optimize the hot-side heat dissipation structure by integrating a heat-spreading plate/thermal interface material and a properly designed airflow channel on the backside of the TEC cooling module, ensuring efficient hot-side heat removal and stable, continuous cooling at the cold side.
Module Fixation Stability Issue
The customer’s original design relied on a single snap-fit structure to connect the ice-cooling module to the fan body.This fixation method lacked sufficient strength and could loosen during repeated use and vibration.
Structural Reinforcement Solution
We redesigned the connection using a threaded + snap-fit dual fixation structure, significantly improving mechanical strength and long-term stability, ensuring the cooling module remains securely in place during operation.
Initial project discussion and expert review for in-depth evaluation. Design concepts based on customer needs, and estimate costs and timelines. DFM review and custom design services based on customer needs. Develop manufacturing plans and validate them with engineering samples to optimize. Assist with certification feasibility and product certification. Allocate manufacturing resources and coordinate human resources. Coordinate pilot runs, assist mass production launch, optimize processes, and support quality management.From Idea to Product Development Process
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