High Efficiency Piezoelectric Cooling Fan
BackgroundProject BackgroundWith the development of the large-scale integrated circuit technology, the integrated circuit with 100Wpower will have Junction Temperature(JT) higher than 120℃ without a good cooling system. However, when the JT is higher than 85℃, the efficiency will reduce drastically and can't even operate stably.Traditional cooling system is hard to meet the develop of electronic technologyThe power is higher and higher, create problems of JT more than 120℃, electromagnetic interference, can’t work stably in long time and so on.How to solve the problems that traditional cooling system meet?Product DescriptionPiezoelectric flat fanPiezoelectric flat fan used of the converse piezoelectric effect of piezoelectric ceramic. Under the interaction of the drive current, piezoelectric ceramics can produce vibration. The the amplified of the blade,it can form a strong airflow. The strong airflow will directly used for heat dissipation fin.Then there are both certain air volume and air pressure,which can improve heat dissipation effect, and high efficiently to reduce the heat source problem.Detailed ImagesOperating principleSpecificationsSpecifications of Piezo Flat Fan (Dimension can be customized according to the electric device space)ModelDimension(mm)Driving Voltage(V)FrequencyAmplitudeAir flowW1± 0.2L1±1W2±0.2L2±0.2H±0.2(V)(mm)(m/s)YDFS-B±524±51.0YDFS-B±523±51.8YDFS-B±523±53.2YDFS-B±522±54.1AdvantagesSolve the heat dissipation problem of high density heat source in narrow space easily.The width of the fan blade can be as low as 5mm, flexible embedded design, delicate structure, effects on high density heat source directly. Suitable for complex structure, small space heat source device, module and closed the case.Efficiently reduce the temperature rise around 30%.Without electromagnetic interferenceWithout the solenoid coil of traditional electromagnetism fan, piezoelectric flat fan doesn’t produce magnetic field, no electromagnetic interference. Especially suitable for large computers electronic signal processing, communications, military industry and other industries which are sensitive to electromagnetic interference.Operating temperature up to 110℃Piezoelectric flat fan can long time working in 110℃ high temperature environment, suitable for cooling close to the heat source.Low power consumption about 0.1W, cable can supply power.No mechanical rotating, abrasion, less energy consumption, high conversion efficiency. Cable power supply are available, no need of other power supply. In the condition of using electricity savings, can increase the continuous working time, suitable for special occasion, such as the military-industrial.Our TestLow temperature test(refer to GJB150.4 standard)；High temperature test(refer to GJB150.3 standard)；Temperature shock(refer to GJB150.5 standard)；Shock test(refer to HB5830.2-82 standard)；Vibration test(refer to HB5830.5-84 standard)；Damp heat test(refer to GJB150.4 standard)；Salt spray test(refer to GJB150.4 standard).
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