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What does the lighting efficiency of a headlamp mainly depend on?

News Trade News2021-08-16 18:44:00

There are all kinds of headlamps on the market, and when you buy a headlamp, you must first look at your purpose and needs. Choosing a high-quality headlamp can last for many years. So do you know what the lighting efficiency of a headlamp mainly depends on?

1. Light source: the brightness of any lighting product is mainly determined by the light source, which is commonly known as the light bulb. Generally, the most common light source in outdoor headlamps is an LED or xenon bulb. The main advantage of LED is energy-saving and long life, but the disadvantage is that the brightness is low and the penetration is poor. The main advantages of xenon bulbs are long-range and penetrating solid power, but the disadvantages are relative power consumption and short lamp life. With the rapid advancement of science and technology, LED technology has matured, and high-power LEDs have gradually become the mainstream. The color temperature is also close to 4000K-4500K for xenon bulbs, but the cost is relatively high.

lighting efficiency of a headlamp
2. Circuit design: it isn't very sensible to evaluate the brightness or endurance unilaterally. Theoretically, the same light bulb and the same current magnitude have the same brightness unless there is a problem with the optical cup or lens design. The circuit design mainly determines whether a headlamp is energy-saving and efficient circuit design reduces power consumption. That is to say, the same battery with the same brightness will last longer.

lighting efficiency of a headlamp
3. Material and quality: A high-quality headlamp must use high-quality materials. At present, most high-end headlamps use PC/ABS as the outer shell. The main advantage is that it is strong and impact-resistant. The wall thickness of 0.8MM thickness can exceed the thickness of 1.5MM inferior plastic materials, which significantly reduces the weight of the headlamp. In addition, choose a high-quality headband for selecting headbands, which are elastic and comfortable to absorb sweat and breathability and do not feel dizzy and uncomfortable even if worn for a long time. Therefore, choosing a headlamp should also be based on the quality and convenience of installing the battery.

lighting efficiency of a headlamp
4. Structural design: Besides paying attention to the elements mentioned above when choosing a headlamp, it is also necessary to see whether the structure is reasonable and reliable. Whether it is flexible to adjust the lighting angle up and down when worn on the head, whether the power switch is easy to operate, and whether it is accidentally turned on when put in a backpack are also very important.

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