What are the main types of lighting products?
Lighting sources, also known as illumination sources, refer to artificial light sources used for lighting inside and outside buildings. So what types of lighting sources are there? In simple terms, they can generally be divided into three main categories: thermal radiation sources, gas discharge sources, and semiconductor sources.
Release time:
2016-10-12 11:12
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The light source of lamps refers to the artificial light source used for lighting inside and outside buildings. So what types of lamp light sources are there? Simply put, they are generally divided into three main categories: thermal radiation light sources, gas discharge light sources, and semiconductor light sources. As for products, there are more types. What are the main product categories of lamps? Don't worry, the following will explain it for everyone, let's take a look.
Types of lamp light sources:
Thermal radiation light source
Made using the principle of radiation and light emission when an object is heated to high temperatures by electric current. This type of lamp has a simple structure and is easy to use, and can be used when the rated voltage of the bulb is the same as the power supply voltage.
Gas discharge light source
Made using the principle of light emission when electric current passes through gas. This type of lamp has high luminous efficiency, long lifespan, and a variety of light colors.
Semiconductor light source
Includes light emission from phosphors under the action of an electric field, or light emission from semiconductor p-n junctions. This type of lamp is only used in places that require special lighting.
What are the main product categories of lamps?
Incandescent lamp
The incandescent lamp contains a tungsten filament, with a luminous efficiency of 10-15 lm/w, a color temperature of about 2800K, good color rendering, and a rated lifespan of 1000 hours. In China, there are series products ranging from 15w to 1000w of different powers. The lamp holder types include screw type and bayonet type. It is commonly used for general indoor lighting and can also be used for outdoor lighting with lower illumination requirements. Reflector-type incandescent lamps emit light beams directionally, with high light energy utilization, and are generally used in showcases, exhibition halls, and places that require spotlighting.
Halogen tungsten lamp
The halogen tungsten lamp contains a tungsten filament and is filled with a certain amount of iodine and bromine or their compounds. The halogen tungsten lamp utilizes the principle of halogen tungsten cycle chemical reactions, greatly reducing the evaporation of the tungsten filament and the degree of blackening of the bulb. The luminous efficiency and rated lifespan of halogen tungsten lamps are higher than those of incandescent lamps. Halogen tungsten lamps are often made into tubular shapes, are small in size, with power ranging from 35w to 1000w, color temperature from 2700 to 3300k, good color rendering, and a rated lifespan of about 1500 hours, with stable luminous flux. They are mostly used for key indoor lighting.
Fluorescent lamp
Fluorescent lamps are excellent indoor lighting sources, with luminous efficiency significantly higher than that of incandescent lamps, generally ranging from 30 to 60 lm/w, and high-efficiency ones can reach 90 lm/w. The light colors of fluorescent lamps include daylight color, cool white, and warm white. High color rendering fluorescent lamps use tri-color phosphors, with a color rendering index of over 80, and a lifespan of 1500 to 5000 hours. When in use, they should be equipped with corresponding ballasts and starters. High color rendering fluorescent lamps are widely used in lighting for dyeing factories, printing factories, shopping malls, and television studios. The power of straight fluorescent lamps ranges from 6w to 40w, and can reach 125w. These lamps are suitable for lighting in building halls, large stores, and precision machining workshops. To improve lighting performance, specially shaped fluorescent lamps (such as circular fluorescent lamps) can be used as light sources. In indoor lighting, newly created compact energy-saving fluorescent lamps with small volume and high light efficiency are also widely used.
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