A coating that significantly increases the heat dissipation efficiency of the heat sink
Revolutionary contribution in the field of heat dissipation
Amazing performance of patented products
Entrusted by well-known companies such as Incotex and Foxconn in Germany, after a year of full research and development, a revolutionary new product was born! EDNano - nano temperature-lowering coating.
Patent acceptance number
What kind of technology is this? What kind of innovation? What kind of product?
In today's world, electronic technology is developing rapidly, its functions are getting stronger and stronger, and its power is getting bigger and bigger. In terms of CPU, it has a power consumption of up to 65 watts. Household appliances, electric power, transportation, aerospace and other industries all attach great importance to heat dissipation.
There are four ways to dissipate heat:
Conductive heat dissipation : The way heat is transferred to a lower temperature object by means of contact. For example, the heat of the CPU is closely adhered to the heat sink through the metal parts encapsulated in the CPU, and the heat is transmitted through the metal parts. Convective heat dissipation : A way of dissipating heat by exchanging heat through air flow. Still speaking to the CPU, the heat dissipation between the CPU heat sink and the air is convection heat dissipation. The function of the fan is to increase the air flow and improve the heat dissipation efficiency. Radiating heat : A form of heat radiation that is transmitted to the lower temperature environment in the form of heat rays. CPU heat sink, a part of the heat is emitted in this way. It can't be seen by the human eye, but it can be detected by means of testing instruments. Evaporative heat dissipation : The way in which the heating element evaporates through the surface of the liquid to dissipate heat. For example, the evaporation of sweat from the human body is an effective way to dissipate heat. In the absence of liquids and the inability to spray liquids, there is no means of evaporative cooling.How to improve heat dissipation efficiency? It is nothing more than improving the efficiency of the above four heat dissipation methods.
How to improve the heat dissipation efficiency?1. Select a material with a high thermal conductivity to make the heat sink:
Choose a material with a higher thermal conductivity to make a heat sink. Commonly used heat dissipation materials are copper and aluminum, depending on the cost and the way the materials are obtained.
2. Improve the conduction efficiency of the contact surface between the heating element and the heat sink; reduce the thermal resistance of the heat conduction path.
How to improve the efficiency of convection cooling? Increase the heat dissipation area. For example, increase the number of fins in the heat sink, and the range of the area has a limit within a limited volume range and material range. Increase the air flow and make full use of the limited area of ​​air. Subject to the limitations of the fan, noise and longevity, energy consumption is a major drawback of the fan. How to improve the efficiency of radiation dissipation? Increase the heat dissipation area. Increase the amount of radiation from the radiator. There is a limit to the increase in surface area. The surface is coated with a high emissivity coating to increase the emissivity of the heat sink. This method is very good, any radiator can be coated with a high emissivity coating to significantly increase the heat dissipation efficiency. How to improve the efficiency of evaporation and heat dissipation? The liquid that can be evaporated in the working range of the spray radiator. For example: the water circulation cooling system of a thermal power plant. The advantage is that the heat dissipation efficiency is obviously improved; the disadvantage is that in some occasions, the use of liquid is restricted. Evaporative cooling is not available in many applications. The surface is coated with a special coating that absorbs moisture from the air, and the vaporized water increases evaporation and heat dissipation. This way is very interesting. It not only avoids the shortage of liquid, but also makes the evaporative heat dissipation widely applicable to any air.Technical points of our products:
Patented technology: After more than a year of hard work, our company successfully applied nanotechnology and developed a special coating. It can significantly improve the heat dissipation efficiency for radiators of any material; Development Intent: For the urgent needs of the heat dissipation field, the analysis: the customer developed a radiator, the material, shape, total heat dissipation surface area, and even the fan settings are basically final. To improve the heat dissipation efficiency, we only start from the following aspects: Exciting the high-energy oscillation of the surface of the component, thereby greatly improving the heat radiation performance, using heat radiation to dissipate heat; exciting the molecular oscillation of the contact surface of the component with the heating element, and improving the thermal conductivity of the contact surface, The thermal resistance is lowered, so that the heat of the heating element can be effectively conducted. Special nano-materials are added to make the surface of the part absorb the moisture in the air, and vaporize the water to give the part evaporation and heat dissipation.Through the three ways a, b, c, the heat dissipation performance of the components is raised to the maximum limit.
Working principle: Applying nanotechnology, exciting the resonance effect of the surface of the radiator, significantly improving the far-infrared emission efficiency, accelerating the rapid dissipation of heat from the surface of the radiator; reducing the thermal resistance of the contact surface between the radiator and the heating element, and improving the heat conduction efficiency. Usage : a. Spraying on the surface of parts requiring heat dissipation by traditional liquid spraying method; b. Applying to the surface of metal parts by electrophoresis (this construction method has low comprehensive cost, large capacity, stable quality, no dead angle of painted parts) ) Price ratio : Due to our EDNano coating, only 12~20um (0.012~0.02mm), the cost is low; because it can significantly improve the heat dissipation efficiency, on the basis of the test, the material usage of the radiator can be reduced, and the heat dissipation can be further reduced. Comprehensive cost. Heat dissipation: The same batch of heat sinks (material: 6063 aluminum alloy, aluminum extrusion type, LED heat sink, model MR16) are anodized and compared with our EDNano coating. Test method: the same semiconductor electric heating block (resistance value: 14.5 ohms), apply regulated DC voltage (11V), the same temperature probe, after power-on, record the temperature rise curve. Compare the temperature difference between the two after 40 minutes (to reach thermal equilibrium). Please see the following table for data: Time Room Temperature 2-B11 2-Oxidation 2-B150:37 28.2 90.6 109.9 92.9
0:38 28.3 90.6 110.0 92.9
0:39 28.4 91.0 110.0 92.8
0:40 28.5 90.9 109.9 92.7
0:41 28.6 91.0 110.0 92.7
0:42 28.6 90.9 109.8 92.9
0:43 28.5 90.8 110.0 92.7
The above test results are for third party (CTI China Testing) test data. Original electronic text, welcome to request.
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