LED bulbs are very common in life. LED bulbs have the characteristics of energy saving, health and humanity. Especially in the light-emitting principle, energy saving and environmental protection level, it is beyond traditional lighting products, and has gradually become the mainstream of modern living room lighting culture. Next, to introduce led led lamp bulb and optional cooling method.
LED bulb purchase
1. Look at the lamp beads
As the core component of LED lamps, most of the lamps on the market are single crystal lamp beads or double crystal lamp beads. The performance of double crystal lamp beads is better than that of single crystal lamp beads, and the life is longer than that of single crystal lamp beads. At the same luminous flux, the number of lamp beads generally required to use double crystal lamp beads is significantly less than the number of single crystal lamp beads, which is more conducive to the optimization of the lamp body size.
2. Look at the brightness
If the brightness of the light is too bright, it is easy to damage eyesight, and it will affect the physical and mental health, especially easy to cause children to be lonely and irritable. Therefore, when selecting lamps, you should combine the lighting environment, refer to the product luminous flux index, or pay attention to observe the brightness of the light, so try to choose lamps with sufficient brightness but not dazzling.
3. Look at the color
You can use the colored object on the head to put it under the bulb to do the experiment. From a professional perspective, you can use the color rendering index to buy. Generally, the color rendering index of the lamp is above 80. The higher the color rendering index, the object under the light. The higher the degree of reduction.
4. Look at the heat dissipation material
The heat-dissipating material of the light bulb is preferably made of ceramics, followed by plastic-coated aluminum and plastic again. Therefore, you can choose ceramic material bulbs when buying, and do not consider plastic materials as much as possible to reduce the probability of danger.
5. Look at the light bubble shell
Currently, LED bulbs on the market are mainly made of PC and glass. Among them, glass has a relatively high light transmittance, better light transmission performance, and uniform light emission, which can reduce glare and flare, but the disadvantage is that it is more fragile.
LED bulb cooling method
1. Aluminum heat sink
This is a relatively common way of heat dissipation, using aluminum heat dissipation fins as part of the housing to increase the heat dissipation area.
2. Thermally conductive plastic shell
The plastic shell is filled with thermally conductive materials during injection molding to increase the thermal conductivity and heat dissipation capacity of the plastic shell.
3. Air hydrodynamics heat dissipation
Aerohydrodynamics uses the shape of the lamp housing to create convection air, which is the lowest cost of enhanced heat dissipation.
4. Long-life and high-efficiency fans enhance heat dissipation
Inside the lamp housing, a long-life and high-efficiency fan is used to enhance heat dissipation: low cost and good effect. However, it is more troublesome to change the fan, and it is not suitable for outdoor use. This design is relatively rare.
5. Heat pipe cooling technology
Through heat pipe technology, heat is led from the LED chip to the heat sink fins of the housing.
Editor's summary: I have introduced here about the purchase of led bulbs and the method of heat dissipation of led bulbs. I hope it will be helpful to everyone. If you want to know more related knowledge, you can pay attention to the information on this website.
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