Speaking of LED lights, the first impression of most citizens is often the colorful lights in the streets, and the Jasper Electric Company on Zhuzhou Road, mastering the cutting-edge technology of LED, the LED lights can be lightly attached, you can attach some In the life supplies, in the water, in the air and in the skin wound inflammation, the bacteria can also kill the wounds, reduce inflammation, relieve acne, relieve itching, and improve air quality and purify drinking water.
Production environment is strict
Recently, the reporter came to Zhuzhou Road, the company that produces LED ultraviolet germicidal lamps. When he entered the company, he saw a worker in the workshop wearing a protective suit. "The special clothes are dust-proof clothes. There should not be too many impurities or particles in the air during the production process, otherwise it will affect the final product performance."
The reporter saw that the lamp only had the size of the fingernail. Through the lamp, you can see that there are some sand-sized chips inside. According to the manager, ultraviolet light belongs to invisible light, which has different functions and effects according to the wavelength range. The illumination of special light source forms a special function of LED light: “The product that was originally produced is called epitaxial wafer, and then processed into bare core and Flip chip, the production of this product through epitaxial growth, cleaning, lithography, electrode fabrication, thinning and polishing, laser dicing, chipping, packaging and testing, etc., in order to make this LED UV germicidal lamp."
According to the microscope, the reporter saw that the bacterial sample after the irradiation of the lamp was also much less than the bacterial sample that was not irradiated with the germicidal lamp.
Small sterilization function USB flash drive can play a big role
The reporter learned that this LED ultraviolet germicidal lamp has been fitted to some products. At this time, the manager took out a small USB flash drive. The reporter saw that there is not much difference between the USB flash drive and the ordinary USB flash drive. However, after taking the USB flash drive hat, I found the peculiarity of this USB flash drive. This USB flash drive suddenly emits blue and purple indicator light. The other two chip light sources are lit, but the light emitted is invisible. Very strange.
Just when the reporter was very surprised, the manager explained the function of this USB flash drive in detail: "This USB flash drive is usually brought to the body. When you eat, you feel that the tableware is not clean, or you think that some office supplies and daily necessities may be inside. There will be a lot of bacteria hidden, which can be sterilized by irradiation, or you can use these ultraviolet rays to test products with anti-counterfeit watermarks (such as counterfeit currency, invoices, and high-grade tobacco and alcohol), all of which can be taken with this USB flash drive. This USB flash drive can last more than 12,000 times, so it can be used for a long time. If it is out of power, it can be plugged into the computer like a USB flash drive. It is very simple and practical."
Sterilization is through ultraviolet radiation
The reporter learned that ultraviolet ray sterilization is to destroy and change the DNA (deoxyribonucleic acid) structure of microorganisms by ultraviolet radiation, so that the bacteria immediately die or can not breed offspring, and achieve the purpose of sterilization. The true bactericidal effect is UVC ultraviolet light, because the C-band ultraviolet ray is easily absorbed by the DNA of the organism, especially the ultraviolet ray of about 253.7 nm is theoretically the best, but the 253 nm ultraviolet ray is difficult to manufacture and the cost is high. The next 280 nanometer is the most cost-effective. Ultraviolet sterilization is a pure physical disinfection method. It has the advantages of simple and convenient, broad spectrum and high efficiency, no secondary pollution, easy management and automation. With the introduction of various new designs of UV lamps, the application range of UV sterilization is constantly expand.
There are also many precautions when using this LED UV germicidal lamp. The environment should be kept clean and there should be no dust or water mist in the air. After scrubbing the floor, wait until the floor is dry before disinfecting with UV light. At the same time, ultraviolet rays have certain damage to human skin mucosa. When using ultraviolet germicidal lamps, attention should be paid to prevention.
Edit: Cedar
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