What problems are likely to occur when using a miniature cooling fan?
Category:
Industry Trends
Release time:
2020-08-17
Micro cooling fan Among the common issues encountered during use, noise and system crashes are particularly noticeable. So, what are the main reasons behind the high noise levels of miniature cooling fans? Here, the noise we’re referring to for miniature cooling fans falls into the following two categories:
1. Mechanical noise
2. The sound of the fan's wind
To address the mechanical noise of miniature cooling fans, we need to start with the fan’s materials and assembly. The following are some common causes of excessive fan noise:
1. The induction IC encounters the magnetic strip on the blades of the miniature fan, producing a friction sound.
2. The motor component of the micro-fan—the coil—is rubbing against the fan blades.
3. The assembly structural dimensions are incorrect, causing the bearing to rub against the oil seal.
4. The materials used for the bearing and the shaft core can inherently generate noise.
Quality issue: The device freezes. The motor lead wire of the micro-fan is relatively thin, making it prone to breakage and causing the fan to stop spinning.
Dead spot—For miniature fans operating at low speeds, due to low current and weak torque, and especially if no special design measures have been taken, it’s easy for the fan to experience poor starting performance.
When selecting a supplier, customers should strictly control the above-mentioned factors. If they still can't confirm the quality and place great importance on the quality of micro-fans, choosing a manufacturer that offers micro-fans with safety certifications is also a viable option.
The above are the common issues that may arise when using miniature cooling fans. For more details, please visit our company’s official website!
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Next: A Brief Discussion on the Heat Dissipation Function of DC Cooling Fans
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