Principle of electric blanket

Electric blankets can be said to play an extremely important role in people's lives, especially in very cold weather, many people will rely on them particularly. Every household is indispensable to it. Now many people have started to use electric blankets. It has gradually entered people's daily lives. Many people have a special liking for electric blankets. It has also accompanied many families through many days.

Many families are always worried about whether a problem will suddenly occur when using electric blankets. There are too many counterfeit brands on the market now, and many people hesitate when buying them. However, as long as we know how to be good, there will not be too many problems. Every time we buy, we should take a closer look at all the packaging and some effective information of the product.

Usually, electric blankets are mainly composed of heating elements, base core, fabric, power cord, junction box (the part connecting the heating element and the power cord), control switch (or thermostat), etc. The main structure of the electric blanket is to put the heating element on the base fabric, connect the power line, and then sew the heating element and the base fabric with a mask to make the electric blanket. When purchasing, pay attention to the following aspects:

(1) The product must be inspected and approved by the relevant departments or units to ensure product quality. Therefore, you should pay attention to whether the product has a production license number.
(2) There must be a clear and unambiguous sign that should reflect the specifications, manufacturer and necessary instructions of the electric blanket.
(3) The heating area of ​​electric blankets varies depending on their size. Usually divided into single, double or triple electric blankets. Whenever possible, choose a larger electric blanket.
(4) Choose fabrics with good quality whenever possible.
(5) The power for one person should not exceed 60W, and for two people should not exceed 120W.
(6) Power on and check. Put it on the high temperature setting. After about 3 to 5 minutes, touch the middle of the electric blanket with your hand and there should be a temperature rise, proving that the setting is intact. Such as the thermostat is of other type. Corresponding adjustment tests can also be carried out, but the test time is longer.
(7) The power controller of the electric blanket should be complete, smooth, without defects, flexible to use, and have clear switch markings. The power cord used should be a double-sheathed wire.

Therefore, when many families buy this product, they must not be blindly deceived by the false appearance. They should look more, compare more, ask more, and pay close attention to the external trademarks and all factory information. Do not underestimate these problems. If you buy a counterfeit electric blanket due to your negligence, the consequences will be beyond your expectations, and some serious situations may occur that will directly endanger your life.