When summer comes, we worry about how to beat the heat. So when it comes to heat-relieving appliances, air conditioners and electric fans are the first to bear the brunt. Recently, we have been talking about air conditioners. Today, let’s talk about electric fans. What is your impression of an electric fan?
No matter you are tall or short, fat or thin, electric fans generally look like this. Have you ever seen an electric fan like the one below?
Oh my God! What about the fan blades? ! Where did the fan blades go? !
Why are bladeless electric fans so popular?
Nothing more than the following two points. First of all, it changes the inherent impression left by traditional electric fans and eliminates the fan blades, which coincides with people's curiosity about new things. It can definitely be called a taste artifact. Secondly, it is very safe, especially for families with babies. They no longer have to worry about the danger caused by the baby's little claws accidentally poking into the fan's grille. Of course, it also has the advantages of easy cleaning, gentle wind, etc.
When I was eager to go to Taobao to buy a bladeless electric fan, I suddenly discovered that they are all called bladeless fans, but the prices are very different. An unknown brand sells for 128 yuan, and a branded one sells for 599. Yuan, well-known brands actually sold for 3,990 yuan. The price difference is staggering.
Details make classics. Processing technology is very important
The editor has always believed in the saying that details make classics, and the same applies to bladeless fans. It feels thin, rough at the corners, and has burrs on the edges. Not to mention the effectiveness of such a bladeless fan, just thinking about looking at it every day makes me feel sick. Don't say that the editor is picky, because the lack of detail processing reflects the lack of qualifications of the manufacturer and the quality of the mold is not up to standard.
So when choosing a bladeless fan, you must observe the details, whether the surface is flat, whether the paint is smooth, whether there are scratches, whether it is strong, and whether the color is uniform. These seemingly inconspicuous small details are often the key to the product. The most direct manifestation of quality.
The key to good quality depends on the motor
As beautiful as the surface is, the soul must be beautiful as well, and bladeless fans are no exception. High-quality bladeless fans will use brushless ones with good quality and high prices. motor. In order to save costs, inferior products tend to use cheap brushed motors. Not only does this kind of motor have a short lifespan, but it is also prone to overheating and making a lot of noise during operation.
The method to identify the type of motor is very simple. There will be black fine particles in the gaps between the air outlets of bladeless fans using brushed motors. You can still smell the toner when you turn the wind speed to maximum.
Safe and unsafe wires have the final say
National standards say that the internal copper wire cross-sectional area of ??wires used by bladeless fans must reach 0.5 square millimeters, but cost reduction is the king. From the perspective of small copycat factories, this is not cost-effective, so most of the internal copper wire cross-sectional areas of the wires used in the bladeless fans they produce do not meet the standard, and some even only have 0.125 square millimeters. This will increase the heating of the resistor, which can lead to accidents such as fires.
This is what it looks like with or without an electric fan
We ordinary people may not be so sensitive to intellectual property rights, but many small copycat factories not only have the problem of plagiarizing patents; There are hidden dangers in many aspects. In the mild case, it is difficult to use or disable, and in severe cases, it may cause a series of safety accidents such as fires. In the hot summer, who wants the electric fan to cause another problem? Therefore, when choosing a bladeless fan, you should choose a brand with a patent certificate! The Chineng brand innovated and launched its own bladeless fan based on the patent published by Shibaura Electric Co., Ltd. in Tokyo, Japan in 2011. And has obtained various appearance patent certificates and other patent qualifications, making the brand trustworthy.