What is the difference between UV Sterilizer lamp and ordinary fluorescent lamps?
- Categories:UV Sterilizer lamp
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- Time of issue:2022-03-30 16:53
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(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 wavelength of 253.7nm ultraviolet rays can play a good sterilization effect.
What is 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 wavelength of 253.7nm ultraviolet rays can play a good sterilization effect.
- Categories:UV Sterilizer lamp
- Author:
- Origin:
- Time of issue:2022-03-30 16:53
- Views:
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 wavelength of 253.7nm ultraviolet rays can play a good sterilization effect. The absorption spectrum of light waves by cells is regular, and cells have a large absorption of ultraviolet rays with a wavelength of 250~270nm. So what is the effect of these ultraviolet rays absorbed by cells on cells? It can act on the genetic material of the cell, that is, DNA, which will have a photochemical effect on the cell. The energy of the ultraviolet photon is absorbed by the base pairs in the DNA of the cell, which will cause a large amount of genetic material in the cell to occur. This is the same as the canceration of cells when a person is irradiated with x-rays. Ultraviolet radiation will cause the bacteria to die immediately or be unable to reproduce offspring. Under this effect, the purpose of sterilization can be achieved.
Although the principle of UV Sterilizer lamp is the same as that of fluorescent lamps and energy-saving lamps, the materials used are different. Ordinary fluorescent lamps use ordinary glass, but such materials cannot transmit ultraviolet rays with a wavelength of 253.7nm, so ultraviolet rays Germicidal lamps cannot use ordinary glass. So what material should be used to make the ultraviolet rays transmit more? That is quartz glass. This material has a very high ultraviolet transmittance, which can reach 90%. Therefore, quartz glass is the material for germicidal lamps. The thermal expansion coefficient is very different from that of ordinary glass, so the sealing method of UV Sterilizer lamp cannot use the highly automated round sealing method used in the manufacture of ordinary fluorescent lamps. The price of UV germicidal lamps is higher than that of ordinary energy-saving lamps.
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