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Does the power adapter have radiation?
time2006/11/01
- The power adapter is heat radiation, not the heat generated by electromagnetic radiation. The power adapter has good radiation isolation inside and does not produce so-called radiation.
Radiation is a hidden pollution that affects our health all the time. Many people have certain concerns about the radiation problem of the power adapter. Although the power adapter sometimes generates heat and is directly connected to the 220V power grid, this heat is generated by thermal radiation instead of electromagnetic radiation. heat. Nowadays, many high-quality power adapters use good radiation isolation inside, so basically no so-called radiation is generated.
The essence of electromagnetic radiation is that the change of the space electric field causes the particles to emit protons.
Although electromagnetic radiation has always existed, it has been discovered by humans in the past 100 years. Previously, humans only knew that there was electromagnetic induction, but it was not thought that in the process of this induction phenomenon, matter would still be excited and emit energy. Electromagnetic radiation does not harm the human body. This means that the voltage does not harm the human body, but the current generated by it will hurt people. Radiation is only a kind of fluctuation. But this fluctuation causes some physical particles to react when passing through the body or the air. Now consider the nature of this reaction.
How the energy field causes positive charge generation, in fact, too much energy causes the positive charge imbalance inside the particle. Because there are too many punctual points, there is a part of the charge overflow, which is proton. Once a proton overflows, it has its own electrical energy, and the former material becomes a radiation. The excitation of such electromagnetic waves requires a certain amount of energy to assist.
Digital circuits are the murderers of radiation
A lot of digital points are related to the clock signal. There is a certain fluctuation in this kind of signal. For example, when the computer is used, the CPU's main frequency is actually a symbolic reflection. It is inevitable that the digital circuit operates in the state of the clock to oscillate back and forth to generate electromagnetic radiation. This is also the reason why mobile phones or desktop computers generate radiation.
The radiation generated by the charger is mostly circuit thermal radiation.
The radiation generated by the charger is often the heat radiation of the circuit. This kind of radiation can now be felt. For example, people near the stove can feel the heat. This radiation is harmless to the human body.