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The difference between UV Sterilizer lamp and ordinary fluorescent lamps

The difference between UV Sterilizer lamp and ordinary fluorescent lamps

(Summary description)The difference between the UV Sterilizer lamp and the ordinary fluorescent lamp is that the germicidal lamp does not need to convert the excited ultraviolet rays into visible light, and the ultraviolet rays with a wavelength of 253.7nm can play a good sterilization effect.

The difference between UV Sterilizer lamp and ordinary fluorescent lamps

(Summary description)The difference between the UV Sterilizer lamp and the ordinary fluorescent lamp is that the germicidal lamp does not need to convert the excited ultraviolet rays into visible light, and the ultraviolet rays with a wavelength of 253.7nm can play a good sterilization effect.

Information

The difference between the UV Sterilizer lamp and the ordinary fluorescent lamp is that the germicidal lamp does not need to convert the excited ultraviolet rays into visible light, and the ultraviolet rays with a wavelength of 253.7nm can play a good sterilization effect. The absorption spectrum of light waves by cells is regular, and cells have a great absorption of ultraviolet rays with a wavelength of 250 to 270 nanometers. So what effect does this absorbed UV light have on the cell? It can act on the cell's genetic material, the DNA, and produce a photochemical effect on the cell. The energy of the UV photons is absorbed by the base pairs in the cell's DNA, causing huge changes in the genetic material within the cell. This is the same as when a person is exposed to X-rays, cells can become cancerous, and UV exposure can cause bacteria to die immediately or be unable to reproduce. Under this effect, the purpose of sterilization can be achieved.

UV Sterilizer lamp

Although the principle of UV Sterilizer lamps is the same as that of fluorescent lamps and energy-saving lamps, the materials used are different. Ordinary glass for ordinary fluorescent lamps cannot penetrate ultraviolet rays with a wavelength of 253.7nm, so ordinary glass cannot be used for UV Sterilizer lamps. So, what material should be used to make ultraviolet rays more transparent? It is a seasonal glass, and the transmittance of ultraviolet rays is very high, which can reach 90%. Therefore, the seasonal glass is the material of the germicidal lamp. Because the performance and thermal expansion coefficient of seasonal glass are very different from ordinary glass, the sealing method of ultraviolet germicidal lamps cannot adopt the circular sealing method with a higher degree of automation used in the manufacture of ordinary fluorescent lamps, but should adopt a higher manufacturing process. Therefore, the price of ultraviolet germicidal lamps on the market is required.

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