YOUR TRUSTED PARtnER FOR
CUSTOM-MADE DC FANS
CCHV Designs, Manufactures and Sells a Full Range of DC Fans in Various Sizes for Different Applications, Especially High Performance DC Fans.
Boost Your Product Performance
with Custom-made DC Fans
Elevate your products with customized DC Fans from CCHV, tailored to your industry’s specific needs. Our full range of DC Fans optimize efficiency in various industries. Our R&D team crafts innovative solutions that keep you ahead of the competition. Experience the difference of partnering with us for custom-made and high-performance DC Fans designed for your success.
Automotivo
Automotivo
Energia Renovável
Energia Renovável
Eletrodomésticos
Eletrodomésticos
Redes
Redes
Casa Inteligente
Casa Inteligente
Casa Inteligente
Casa Inteligente
3D Impressora
3D Impressora
Other Industries
LED Iluminação
LED Iluminação
Complete Fan Design Process
CCHV gets complete products development process from impeller deisgn, motor design, circuit design to reliability tests. Integrating our experienced engineers with accurate simulation softwares and advanced test equipments enable us to develop high performance, low noise and cost-effective DC fans.
CCHV Reliability Tests
CCHV high-performance DC fans, especially designed for the ESS and Networking, undergo the following rigorous 10 reliability tests. From stringent temperature and humidity trials to extended operational and vibration tests, each evaluation is aimed at emulating demanding operational environments. What we bring to you isn’t just a simple DC fan, but a series of strictly implemented reliability tests. Let our tests be the safeguard to your project’s success.
01
Low Temperature On / Off Test
Test Conditions：
- High temperature: 85℃
- Power ON 15S
- Power OFF 15S
- Voltage: Input Max. Voltage
- 10000 Cycles
- Stardard: IEC 60068-2-1
02
High Temperature On / Off Test
Test Conditions：
- High temperature: 85℃
- Power ON 15S
- Power OFF 15S
- Voltage: Input Max. Voltage
- 10000 Cycles
- Stardard: IEC 60068-2-2
03
Temperture
Cycling Test
Test Conditions：
- Low Temperature: -40℃ / 24hours
- High Temperature: +85℃ / 24hours
- Transition Time: 1 hour
- Voltage: Input Max. Voltage
- Cycles: 15 Cycles
- Stardard: IEC 60068-2-14
04
High Temperature & High Humidity Test
Test Conditions：
- High temperature: 85℃
- Humidiy: 85%RH
- Voltage: Input Max. Voltage
- Duration: 240 hours
- Stardard: IEC 60068-2-78
05
Thermal Shock
Test
Test Conditions：
- Low temperature: -40℃ / 30min.
- High Temperature: +85℃ / 30min.
- Transition Time: Less Than 5 minutes
- Voltage: Input Max. Voltage
- Cycles:100 Cycles
- Stardard: IEC 60068-2-14
06
Vibration
Test
Test Conditions：
- Directions: X, Y, Z
- Over all RMS = 3.2 G
- Frequency (HZ) & PSD (G2/HZ): 10 & 0.04; 20 & 0.01; 40 & 0.01; 800 & 0.002; 1000 & 0.002
- Duration: 2 Hours on each Director
- Stardard: IEC 60068-2-64
07
Mechanical Shock Test
Test Conditions：
- Pulse Shape: Half-Sine
- Pead Acceleration: 490m/s2 (Equivalent 50G)
- Duration: 6 minutes
- Direction: X, -X, Y, -Y, Z, -Z
- 3 Shocks for Each Directiion (18 shocks in total)
- Stardard: IEC 60068-2-27
08
Lock Rotor
Test
Test Conditions：
- Test Under 25℃ or Room Temperature
- Coil temperature should be monitored
- Voltage: Input Max. Voltage
- Cover with Cheese Cloth
- Duration: 72 hours
- Perform Dielectric Strength of 700Vac/10sec., and the coil temperature can not exceed 150℃. Otherwise, it's failed.
- Stardard: IEC62368-1
09
Fan Life Experimental Test
Test Conditions：
- High temperature: 85℃
- Humidiy: 85%RH
- Voltage: Input Rated Voltage
- Duration: 1230 hours
- Stardard: IPC9591
10
Electrostatic
Test
Test Conditions：
- Connect ± 8KV
- Air Discharge ± 15KV
- Stardard: IEC 61000-4-2
Environmental Protection
Some parts of DC fans are used for outdoor, facing challenges against harsh enviroment, like dusty, high temperature, high humidity, corrosive, ect.. We understand the importance of environmental protection and offer different IP levels tailored to your unique needs.
IP55
Conformal Coating + PCB Gluing
(Pass 96-Hour Salt Frog Testing)
IP66
Conformal Coating +
Envernizamento completo da PCB
(Pass 10-Day Salt Frog Testing)
IP68
Revestimento completo do estator
(Pass 30-Day Salt Frog Testing)
IP68 Protection Verification
See below how we verify our fan to ensure you are gettting truly IP68 fan from us!
01
IP68 Stator Cross Section -
Full Filled Without Porosity
02
Waterproof Test
03
Dust-Proof Test
04
Salt Fog Test
ASK FOR SUPPORT
Customize DC Fan Solutions for Your Projects:
Get Started Today!
Our experienced engineers get ready to discuss and assist you to find the suitable DC fan solutions for your application.
- 24 Hours Service: +86-13538992575
- Whatsapp: +86-13538992575
- Wechat: +86-13538992575
- Email: [email protected]