Aluminum Extruded Inverter Heatsink

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  Inverter will generate a certain amount of power consumption during the operation. Due to the use of different devices, different control methods, and different brands and different specifications of the inverters, the power consumption is also different. The data shows that the power consumption of the inverter is generally 4~5% of its capacity. Among them, the inverter part accounts for about 50%, the rectification and DC circuits account for about 40%, and the control and protection circuit accounts for 5~15%. The 10°C rule states that when the device temperature is lowered by 10°C, the reliability of the device doubles. It can be seen how important it is to deal with the heat dissipation of the inverter, prevent the temperature rising, improve the reliability of the device, thereby prolong the service life of the equipment.

  For the different power of inverter, we need to select different type of heatsinks to cool down the device, Usually we would like to choose heat pipe heatsink or vapor chamber heat sink for the high power inverters, but for some low power inverter devices, aluminum extruded inverter heatsink can meet the thermal requirements, this type of heatsink has lightweight, easy-manufacturing, cost-efficient, etc. benefits. In order to quickly transfer the heat of the internal components of the inverter, achieve the purpose of rapidly reducing the temperature of the internal components of the inverter, and improve the service life of the inverter, how to design an extruded radiator to achieve excellent heat dissipation performance? 

  1. Increase the heat dissipation area of the radiator as much as possible

For example, the heating power of a 5kW inverter is 125W. According to the natural cooling at 60°C, the maximum heat flux density can be 0.05W/cm2, and the heat dissipation area is at least about 0.25m2, to maintain the volume of the heatsink, we have to add more fins and the fins are designed with wrinkles which increase the heat dissipation surface to improve the themral performance.

 2. Shell-radiator tight contact structure

  The inverter shell is aluminum alloy which has good thermal conductivity, using the integral shell structure, the radiator and the shell are directly and closely connected through a large area, and the heat of the components can be directly transferred to the aluminum alloy shell through the radiator, forming a heat dissipation path of device → radiator → shell → air .

  In addition, the heat of the components can be conducted to the shell through the air inside the inverter, and then dissipated to the outside air through the shell. Another heat dissipation path of device→internal air→case→external air is formed.

The structure design of putting the power inductor of the heating device outside to reduce the temperature in the chassis. The inductor is independent and the heat can be dissipated efficiently.

Under such a design, although the temperature of the inverter shell increases, the temperature of the components inside the inverter will decrease faster, thereby ensuring longer service life and normal operation of the components and the inverter.

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Sinda Thermal is a leading thermal manufacturer in China, our factory was founded in 2014, and located in Dongguan city, China, we are offering varieties of heatsinks and other precious metal parts. Our plant possesses 30 sets advanced and high precious CNC machines and stamping machines, also we have many testing and experiment instruments and professional engineering team, so our company can manufacture and provide high quality products with high precision and excellent thermal performance. Sinda Thermal is devoted to a range of heat sinks which are widely used in new power supply, New energy vehicles, Telecommunications, Servers, IGBT, and Madical. All the products accord with Rohs/Reach standard, and the factory is qualified by ISO9001 and ISO14001. Our company has been a partner with many customers for good quality, excellent service and competitive price. Sinda Thermal is a great heat sink manufacturer for the global customers .


FAQ
1. Q: Are you a trading company or manufacturer?
    A: We are a leading heat sink manufacturer, our factory has been founded over 8 years, we are professional and experienced.

2. Q: Can you provide OEM/ODM service?
    A: Yes, OEM/ODM are available.

3. Q: Do you have MOQ limit?
    A: No, we don't set up MOQ, prototype samples are available.

4. Q: What's the lead time of the production?
    A: For prototype samples, the lead time is 1-2 weeks, for mass production, the lead time is 4-6 weeks.

5. Q: Can I visit your factory?
    A: Yes, Welcome to Sinda Thermal.

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