Which brand of eye protection desk lamp is better?
With the development of science and technology, more and more new products appear, which protect people's health more intimately, and the eye protection table lamp is one of them. Today's children have a heavy learning burden. If children complete their homework under artificial light sources for a long time every day, their eyes are prone to symptoms such as soreness, pain, tearing, and more serious vision loss. So compared to ordinary desk lamps, what is the magical place of eye protection desk lamp that can protect eyesight more? What brand of eye protection desk lamp is better? Let's take a look at it together.
What brand of eye protection table lamp is better? First of all, we need to understand why the eye protection lamp is more eye-friendly than ordinary table lamps. When an ordinary desk lamp works normally under an AC current of 50 Hz, it will flash about 100 times per second. The human vision is insensitive to flickering more than 40 times per second, but it does not mean that it has no effect. People are extremely prone to myopia after being under the lamp for a long time and not paying attention to eye hygiene. The principle of the eye protection lamp is to increase the electrical frequency of 50 Hz to 40,000 to 55,000 Hz, and the flickering frequency of the corresponding desk lamp per second will be greatly reduced, and some may even drop to zero, thus protecting eyesight. Features.
In addition to this point, the color rendering of eye protection lamps is better than that of ordinary lamps, and the light color is close to natural, which protects eyesight more. High-quality eye-protection table lamps generally have sufficient wire cross-sectional area and insulation layer thickness for power cords and internal electronic wires. In order to achieve better safety, high-quality eye-protection table lamps generally have a minimum distance between the positive and negative poles of the circuit board greater than 2.5MM. There is an overcurrent protection device, and the lamp switch meets the national requirements. The eye protection table lamp is better, which is also related to the excellent performance of these safety performances.
When choosing which brand of eye protection desk lamp is better, you should also pay attention to the following points:
1. Check whether the lamp has stroboscopic, and use the camera function of the mobile phone to see the lamp. If the light is stable, there is no stroboscopic, and it has a certain eye protection effect. If the light flickers, it's strobe, and it can't be cheap.
2. The lamp radiation from the stands. Eye protection lamps without radiation will be marked in stores or online stores, and professional electromagnetic radiation testers will be provided to test. Then there's light.
The most popular recently is the tri-color lamp, which emits soft light and is closer to natural light. It is recommended to buy this kind of table lamp with three primary color lamps. Finally, it also depends on whether the lamp has perfect after-sales service and how long the warranty is.
