Interactive smart tablets have greatly facilitated our study and work, but as the saying goes, "Golden No Foot Red", as it becomes a multi-media teaching choice for more and more teachers, its radiation level has also attracted increasing attention.
The possible health effects of interactive smart tablets are mainly the electromagnetic radiation generated during work. Pollution caused by excessive electromagnetic radiation has become one of the pollution identified by the World Health Organization. It unconsciously affects human body functions. If you use unqualified multimedia teaching equipment, your eyes will feel dry and cause vision loss and dizziness. This is an intuitive manifestation of excessive electromagnetic radiation.
It is precisely because of the health hazards of electromagnetic radiation pollution that some people talk about "radiation" discoloration. In fact, the existence of radiation in space is very normal. For example, solar activity and cosmic rays will bring radiation, but it will not cause discomfort to the human body. A concept to be distinguished here is the normal radiation effect and excessive radiation. Only excessive radiation will affect human health.
If the company's products have quality assurance and meet the national standards for electromagnetic radiation levels, then we need not panic at all.
Electromagnetic radiation and power have a positive correlation, so reducing the overall power consumption of the device is one of the ways to effectively control the level of electromagnetic radiation. Some companies in the industry have solved the above problems well. For example, brands such as Shiwo use pluggable built-in modular computers, which greatly improves product life and function, and also reduces the overall power consumption from 200W to about 60W. A large number of external cables reduce the radiation level by more than 50%. An upcoming ultra-thin product from Sivo has been able to control standby power consumption at 0.3W, and external cables have also been greatly reduced. This also means that the level of radiation control in the interactive smart tablet industry is about to enter a new stage.
On the other hand, it is necessary to adopt appropriate technical means to shield radiation. Only by conducting a full range of technical research on each module of the interactive smart tablet can it reduce the radiation level and ensure product safety. Taking the most outstanding domestic product of radiation protection technology, Shiwo, for example, Shiwo products use soft switching technology, modulation frequency control technology, component layout and routing optimization technology in power modules; in motherboard modules, use The layout of components and layout optimization, grounding technology, and capacitor decoupling are included; in the whole machine module, the product radiation is reduced by adding a magnetic ring and a shield. The use of such a complete set of advanced technical means has greatly reduced the radiation level of the product.
At present, the overall radiation level of the interactive smart tablet depends on the implementation of the national 3C mandatory certification standard. The most reliable one to check the radiation level is the EMC Electromagnetic Radiation Laboratory, which will set up a series of harsh tests to "assess" the radiation level of the product. However, due to its huge investment (single laboratory needs to invest close to 20 million yuan), the industry deployment rate is not high. Only Vision Technology has built its own EMC laboratory and designed its Shiva products according to EU standards. It is believed that the control of electromagnetic radiation in the later period will get more and more attention from manufacturers.
Visually speaking, the 65-inch interactive smart tablet product, after undergoing comprehensive technical processing, its radiation level will not be higher than an ordinary household TV. Therefore, users do not need to worry about products that have undergone strict control of radiation standards. With the example and promotion of a group of advanced manufacturers in the industry, the overall industry standards will continue to improve, ensuring that all users enjoy multimedia brought by technology in a healthy environment. teaching.
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