Silent DC Brushless Fan Motor

1.Product Introduction

In an era that pursues ultimate comfort and high efficiency, noise has become a key measure of quality. We proudly introduce our new generation of silent DC brushless fan motors, which are not only a source of power but also a guardian of quiet living and efficient operation.

This product utilizes advanced digital control technology and precise electromagnetic design, fundamentally eliminating the noise and vibration problems of traditional AC motors. Combining the high efficiency, reliability, and long lifespan of brushless DC technology, we have successfully pushed "silent" performance to new heights. Whether for a quiet home environment or industrial equipment with stringent requirements for heat dissipation and reliability, this motor provides quiet yet powerful power support, like a gentle breeze.

Choosing it means choosing a smarter, quieter, and more energy-efficient future.

2. Product Features

1. Ultimate Quietness, Enjoy Tranquility

Innovative Design: Optimized fan blades and electromagnetic design suppress noise generation at its source.

Precision Dynamic Balancing: The rotor system undergoes high-precision dynamic balancing correction to minimize vibration and ensure silky-smooth operation. Real-world performance: Under normal load, operating noise can be as low as below 20 dB(A), comparable to the quiet environment of a library.

2. High efficiency and energy saving, environmentally friendly

DC technology advantages: Compared to traditional AC motors, energy consumption is reduced by up to 30% - 50%.

Wide voltage input: Supports a wide range of DC voltage inputs (e.g., 12V/24V/48V), adaptable to various application scenarios.

3. Ultra-long lifespan, stable and reliable

Brushless structure: No physical brush wear, fundamentally solving the pain point of short lifespan of traditional brushed motors.

High-quality bearings: Uses self-lubricating oil-impregnated bearings, ensuring an ultra-long continuous operating life.

Excellent heat dissipation: Optimized internal heat dissipation path ensures the motor maintains a low temperature even under long-term high-load operation, extending its service life.

 

3. Product Applications
This multi-functional motor is an ideal choice for many fields:

Home appliances: High-end air purifiers, silent circulating fans, air conditioner indoor units, fresh air systems, computer case cooling.

Office Equipment: Projectors, server racks, network switches, silent printers.

Industrial Equipment: Communication base stations, medical equipment (e.g., CT scanners, ventilators), automated machinery, charging piles, security monitoring.

Automotive Electronics: Car cooling fans, car refrigerators.

Smart Home: Smart toilets, clothes racks, built-in kitchen appliances.

 

4.Detailed Parameters

Parameter Item Specifications/Description
Motor Type: Three-phase DC brushless motor
Rated Voltage: DC 12V / 24V / 48V (customizable)
Rated Power: 3W - 50W (optional)
Rated Speed: 1000 - 5000 RPM (adjustable)
Noise Level: < 20 - 30 dB(A) (depending on model and load)
Bearing System: Oil-impregnated bearings

Note: The above are general parameters. Please refer to the official datasheet for specific specifications. Custom development is supported.

 

5. Minimum Order Quantity and Packaging

Minimum Order Quantity (MOQ):

Standard Model: 100 units.

Customized Model: MOQ needs to be assessed based on customization requirements. Please inquire for details.

Packaging Method:

Inner Packaging: Individually packaged in anti-static PE bags or bubble bags.

Outer Packaging: Standard cardboard boxes or export-grade cartons depending on quantity.

Special packaging (such as labeling, color boxes, etc.) can be provided according to customer requirements.

 

6. Frequently Asked Questions (FAQ)

Q1: Can this motor really be completely silent?

A: From a physics perspective, no operating machine can be "absolutely silent." However, through advanced technology, we control the operating noise to around 20 decibels. This sound level is almost "silent" within the range of human hearing and will not interfere with work or rest.

 

Q2: What is the lifespan of the motor?

A: Under normal use under rated conditions, our motors are designed for a lifespan of 30,000 to 50,000 hours or more. Based on continuous operation for 8 hours per day, it can be used for over 10 years. Actual lifespan is affected by operating environment, load, and temperature rise.

 

Q3: Do you support customized services? For example, different voltages, sizes, and interfaces?

A: Yes, we are happy to provide customized services. You can contact us and tell us your specific needs regarding voltage, size, shaft length, wiring sequence, interface type, speed range, etc. Our engineering team will provide you with professional solutions.

 

Q4: How to adjust and control speed?

A: The most common method is PWM speed control. You only need to provide a PWM signal with a variable duty cycle to the motor drive line to achieve precise stepless speed regulation. We also offer voltage-controlled models. Please refer to the product datasheet for detailed wiring and control instructions.

 

Q5: If the motor stops turning, how do I troubleshoot the problem?

A: 1. Check the power supply: Confirm that the supply voltage and current are normal and stable.

2. Check the wiring: Confirm that all wiring is secure and there are no cold solder joints or open circuits.

3. Check the control signal: For PWM speed control models, please confirm that the control signal is input correctly.

4. Manual rotation: With the power off, try gently rotating the fan blades by hand to check for any jamming.

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