Is it okay to keep the charger plugged into the power supply?
2022-08-10 Views：34
How many people like to stay in bed and play with the phone? Often put the phone on the pillow charging before going to bed? Charging while playing? A charge to charge a night? I believe that as long as there is a cell phone people, have done and these things. Lying in bed playing with the phone is nothing, at most is late, insomnia, myopia, hair loss ...... these are clearly predictable and within our tolerance of the consequences.
What about the bad phone charging habits? Is there any harm? Today we will come back to the careful science of cell phone charging those things, so that we can play the phone more at ease.
One, the source of cell phone charging accidents
It is important to figure this out first. Often we will see a variety of cell phone charging explosion news, the parties are either playing with the phone while charging was blown up, or in their sleep by the bedside charging cell phone chargers blown up. So, the elders around the painstaking admonition to young people, do not play with the phone while charging, do not charge the phone all night, dangerous.
But in fact, most charging accidents occur because of the use of substandard chargers, so the first step in charging safety: the use of regular manufacturers of chargers.
Use the original charger of the phone is the most worry-free, of course, if the phone manufacturer randomly do not give away or individuals want to buy a few more spare, you can also choose the well-known third-party digital brand charger.
Second, the phone can be charged all night？
Answer: Yes, but do not advocate.
Nowadays, cell phones have a perfect power management program, when the phone is fully charged will stop continuing to power the lithium battery. Moreover, qualified chargers have a safety protection circuit to prevent overcharging, after the battery is fully charged, the charger will start the protection function to automatically stop charging, or reduce the charging current to a small range, that is, "trickle charging" state.
Under the double protection, the probability of accidents is extremely low. Personal safety is not a concern, but the battery has been kept fully charged state, the phone battery health is not necessarily a good thing.
The lithium battery used in cell phones has a "less food more meals" charging characteristics, a small number of charges than a one-time full can keep the battery in a healthy state for a long time, cell phones often maintain 30%-80% power can make the battery more durable.
Third, the phone can be charged while playing？
Answer: Yes, but do not advocate.
The phone can be charged and played at the same time, but the battery will only have a state, either charging or discharging.
When the phone and the battery are in the charging state, the source of power for both is the power supply, just like plugging in the power adapter with a laptop is the same. So, playing while charging is no different from normal charging. But need to pay attention to the temperature change of the phone, itself we charge alone or play alone when the phone battery will have heat, if both at the same time, the heat will be superimposed.
General lithium batteries have a tolerable operating temperature range, continuous high temperature may lead to a decrease in battery capacity, lightly cause internal short circuit or rupture of the battery shell, or lead to leakage, spontaneous combustion and other accidents.
Of course, the phone will have a temperature protection mechanism, the battery heating will be within the control, but we better not entrust personal safety to the phone, the use of the process, feel the temperature is too high, immediately stop charging or use.
Fourth, play while charging, charging all night at the bedside, there is a radiation hazard？
Answer: There is radiation, but no harm.
First of all, the radiation generated by cell phones is a non-ionizing radiation that is almost harmless to humans, the size of the radiation is mainly related to the transmission and reception of signals, generally bad signal, radiation will be enhanced, for example, in the elevator room and other closed environments, and whether charging is not very relevant.
Secondly, even if the radiation increases, there is no need to worry about the harm, as long as the phone is certified by the authority of 3C, the radiation will not exceed the provisions of the national safety standards for radiation sources. Instead of worrying about radiation, it is better to care more about playing with cell phones too excited insomnia leading to rough skin, endocrine disruption and other problems.
Five, the charger has been plugged in the socket without unplugging can?
Answer: Yes, but it is not recommended.
Many people have more than one charger at home, cell phones, tablets, laptops ...... casually are three or four to start. Every day to charge, after pulling this pull that, a bunch of lines around and around, so some people simply have been plugged in, when used directly connected to the device.
There are two hidden dangers here.
1. If it is a poor quality charger, has been plugged in the socket, their own heat serious, coupled with high indoor temperatures, easy to trigger spontaneous combustion and self-explosion.
2. If the charger is plugged into the socket for a long time, there will be micro-current passing through all the time, causing heat, which will easily cause the electronic components to age and shorten the life of the charger.
Now let's summarize, a big principle of cell phone charging safety: use the original charger or third-party digital brand chargers certified by the authority.
Finally we are giving you three tips.
1. Stop charging immediately when your phone gets hot. 2.
2. Try not to play while charging and charge all night. 3.
3. Do not leave the charger plugged into a power outlet for a long time.
The principles must be observed, the recommendations can be adopted as appropriate, and hopefully can help more people.
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