A kind of heat pipe heat sink
A heat pipe heat sink for outdoor production using ,we sprayed a layer of black carbon nanomaterials on the surface of the heat sink, which is mainly used for corrosion protection and thermal radiation effect of the product.
The utility model relates to a high-power 800W heat pipe heat sink for cooling outdoor products.we sprayed a layer of black carbon nanomaterials on the surface of the heat sink, which is mainly used for corrosion protection and thermal radiation effect of the product.
This high-power product is designed by us and is mainly used for heat dissipation of outdoor high-power LED projection lamps. Usually, it will encounter wet weather and rain weather outdoors. If the surface of heat sink is not treated, fins on the surface of heat sink will be corroded soon.Therefore, our engineers coated the surface of the heat sink with a layer of black carbon nanomaterials, which can protect the surface of the heat sink from corrosion. Generally, the salt spray test we did would be more than 500 hours.Of course, the size of our product is very small, about 200x180x100mm.The weight of the product is about 0.8kg.
This product also uses high-power heat pipe to conduct heat. Six heat pipes with a diameter of 9.52 can carry a heat of about 900W, which is why our heat sink can solve 800W. After calculation, we inject a certain proportion of liquid into the heat pipe. The wall thickness of our heat pipe is 1.0mm, and the power of a single heat pipe is 150W.Again, we use soldering paste process, which is a high density fin heat sink that takes away a lot of heat.At the bottom of the heat sink, we use a precise drawing process, which has a very good heat conduction effect. After our test, the flatness is about 0.05.
Our company's customized conditions for heat sink with heat pipes:
1,We can produce 100-1500W heat pipe heat sink by soldering paste welding process;
2. We have a lot of specifications of heat pipes, generally 4, 6.5, 8, 9.5, 10, 12mm diameter heat pipes
3. We generally need to adopt the structure of stamping for the fins of heat sink. Of course, generally speaking, this kind of tooling is about 3000 dollars;
4. Surface treatment: The surface of the heat sink is generally nickel-plated, but can be treated according to customer needs powder or oil spray treatment
5. The material of the heat sink is generally aluminum 1100. When the heat sink needs to cooling chipset of more than 1000W, the bottom of the copper material and fin are needed
6. Processing cycle: 21 days for making sample.
