With the maturity of UV-LED curing technology, its application fields have gradually begun to expand, and many industries that originally used mercury lamps have been replaced by UV-LED light sources. Uvled is a kind of light-emitting diode, which can efficiently convert electric energy into light energy. Compared with the traditional uv mercury lamp, it is more environment-friendly, efficient and low in energy consumption, and it is one of the truly sustainable green industrial technologies.
Uvled features:
No infrared rays and ozone are generated.
Traditional mercury lamps produce a wide range of light bands, ranging from infrared rays to ultraviolet rays. The infrared ray has a thermal effect, which can make most molecules resonate when irradiated on the object, and then generate heat, which is easy to damage the heat-sensitive substrate. The uvled is a "cold light source", which can effectively avoid the adverse effects such as shrinkage and deformation of the base material caused by overheating, and has wider adaptability to materials. The reason why mercury lamp produces ozone is that the ultraviolet light emitted by mercury lamp has a wide wavelength range. Ultraviolet light below 240nm can break the double bond of oxygen molecules, so that the generated O atoms combine with oxygen to produce ozone. However, too high ozone concentration will do harm to human body. The uvled used for UV curing emits ultraviolet light with a single wavelength, and it is ultraviolet light with a longer wavelength. Therefore, ozone will not be generated during the curing process, and a good working environment can be maintained. Compared with traditional mercury lamps, it is safer and more environmentally friendly.
Single wavelength, high luminous efficiency and low energy consumption.
Uvled can convert electric energy into light energy with high efficiency, and emits single-band ultraviolet light. The light energy is highly concentrated in a specific ultraviolet band. At present, there are 365nm, 385nm, 395nm and 405nm bands that are mature and applied in the ultraviolet curing market. However, the traditional mercury lamp emits hot mercury vapor in the lamp tube after being electrified, and the emission spectrum of the mercury lamp is very wide, only a small part of which is the ultraviolet band that really plays the role of curing effect. At the same time, the photoelectric conversion efficiency is low and the energy consumption is high.
That is, the point is bright, electronic control.
The mercury lamp needs to be preheated before normal operation, and it needs to be always on in order to keep working efficiency and lamp life. Uvled is different. It can be turned on and off at any time without affecting the service life, and it doesn't need preheating. It can work when the light is turned on, and the output energy can also be set according to the actual demand. Compared with mercury lamp, it is energy-saving and easy to control.
Long service life and low maintenance cost.
The service life of uvled can reach more than 10,000 hours, which is more than ten times that of traditional mercury lamps. Moreover, the light attenuation is very slow, and the service life is not affected by the switching times. Uvlled light source does not contain mercury, and there are no accessories such as lampshade, so it hardly needs to be maintained, which reduces the maintenance cost.
High flexibility in use and small floor space.
Uvled light source can be divided into point light source, line light source and area light source, and the effective irradiation range can be customized according to actual use. The light source is small in size, the irradiation device and related supporting equipment are very compact, and it can also be installed on the production line, and the production efficiency can be greatly improved by setting the parameters.
Fast curing speed.
Uvled is cured by ultraviolet light, which can achieve second-order curing. The curing speed is much faster than the traditional curing speed, which improves the production efficiency.
