Joke Collection Website - Bulletin headlines - Are electric toys dangerous? What is the principle of electric toys?
Are electric toys dangerous? What is the principle of electric toys?
Are electric toys dangerous?
This kind of "electric human" toy is usually disguised as chewing gum, ballpoint pen, chocolate, toy pistol and other daily necessities, but it will discharge at the moment when people touch it, which makes people feel electrocuted.
It is reported that bosses who sell "electric toys" are afraid to try these rechargeable toys themselves, so they don't know how powerful these toys are, but these toys usually sell well because they are relatively novel.
Although the English words of Dianren are written on the outer packaging of these products, there is no Chinese logo such as trade name, factory name, address, production date, etc., and there is no electricity quantity.
It is reported that the instantaneous pulse current of electric toy gun is 88 Hz, and the voltage is as high as 600 volts, while the normal lighting voltage is only 200 volts.
The salesman said that these "trick-or-treating" toys were bought only when the store knew that the children had this demand. He can't provide purchase channels, certificates, etc.
In addition, there are no warning signs such as "danger of being charged" or "not suitable for children aged X" on the dice and packaging.
The person in charge of the local industrial and commercial office said that foreign professionals had done experiments before, and a toy similar to chewing gum could generate a maximum voltage of 120 volts, far exceeding the national voltage of 36 volts in safe voltage.
Although this short-lived direct current is not fatal, it is enough to paralyze people. Children's physical development is incomplete, and contact with stimulating toys with voltage higher than 36 volts is easy to cause psychological shadow, which is very unfavorable to physical, psychological and physical health.
Some heart patients and children are advised to avoid using these toys to prevent unnecessary injuries.
What is the principle of electric toys?
The DC-DC converter is DC-DC conversion, which can convert the voltage of the battery; The principle is that the direct current of the battery is converted into pulsating voltage by electronic switch, and then boosted by transformer;
Have a dedicated DC-DC chip; The size of the patch package can be about two grains of rice, and the high-frequency transformer can also be very small;
The other one is made of piezoelectric material, just like the one in the lighter.
What electric toys are there?
Key chains, chewing gum, pistols, pens and other items.
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