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Besides air conditioners and air conditioner fans, bladeless fans are currently a popular product for many families. Join lassho.edu.vn to learn more about what a bladeless fan is, the operating principle and structure of this fan line!
What is a bladeless fan?
Bladeless fan is an electric fan designed in the form of aerodynamics , in order to create a smooth flow of air without making any noise compared to conventional electric fans. Even, you can hardly see the fan blades when the device is operating.
This is the product of a British engineer named James Dyson introduced in 2009, so the bladeless fan has the English name Dyson Air Multiplier .
Working principle and structure of bladeless fan
The bladeless fan has a very simple structure and operating principle, specifically:
The structure of the bladeless fan consists of two main parts:
- Fan base : includes the cooling motor containing the fan blade.
- Annular : is the area that radiates the wind, oval or round in shape.
The bladeless fan works on the principle of aerodynamics, that is, the airflow will move from an area of high pressure to a place of low pressure to form a cooling airflow.
Specifically, when power is supplied to the device, the motor (about 40W) inside the fan base will operate at high speed to draw air inside. Then, the airflow will be blown through the narrow slit (about 1.3mm wide) located on the annular ring.
Most annular rings are designed with a 16-degree curvature so this makes the airflow blowing through the narrow slit also have a 16-degree inclination. Not only that, this process also causes the area in front of the rim to reduce pressure, and at the same time, causes the air mass behind the annular ring to be strongly sucked with a flow up to 15 times higher than the flow that the engine sucks. gas inside.
Therefore, the airflow generated from the bladeless fan is very strong and quieter than the open-bladed fan we often use.
Pros and cons of bladeless fans
Like other cooling devices, bladeless fans also have their own advantages and disadvantages:
- The design is more luxurious and eye-catching than the traditional bladed fan.
- Reduce fan cleaning.
- Wide viewing angle, as there are some bladeless fan models that can rotate up to 270 degrees.
- Produces strong, even and smooth airflow.
- High safety, minimizing problems when the fan works, suitable for families with young children.
- The bladeless fan can be controlled remotely through the application installed on the phone or tablet.
- Many functions are integrated such as: timer mode, heating function, air filter, …
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- It is difficult to clean the motor inside the fan base during use.
- Having many difficulties in repairing or replacing components when the fan is damaged, you must go to the Service Center to check.
- The selling price is quite high, ranging from 400,000 VND to 21,000.00 VND.
Most searched bladeless fan brands in 2021
Here are the very popular brands in 2021 that lassho.edu.vn has compiled, which will help you when you plan to buy an existing bladeless fan on the market:
Xiaomi bladeless fan
Xiaomi is a Chinese brand, a corporation specializing in manufacturing electronic products such as phones, tablets, smart devices and mobile applications. Xiaomi Corporation was founded on April 6, 2020 and is currently headquartered in Beijing.
Xiaomi’s bladeless fan is highly appreciated for its design and integration of many modern technologies. Not only equipped with many wind modes and can adjust the wind direction flexibly up to 60 degrees, but for high-end Xiaomi bladeless fans, the manufacturer is also equipped with an air filter.
The product is also calculated by the manufacturer to bring the most economical efficiency and smooth operation during the operation period.
Dyson bladeless fan
Dyson is a private company founded on July 8, 1991 in England by James Dyson (the inventor of the bladeless fan). The company specializes in designing and manufacturing household appliances such as heaters, hair dryers, lighting equipment, air purifiers, vacuum cleaners, bladeless fans and even electric vehicles.
Most of Dyson’s bladeless fan products are invested in technology and design. For example, the Dyson Pure Cool air filtration technology (HEPA filter) built into the device is capable of handling dust, bacteria and viruses inside the air, making the atmosphere clean. healthy and safe for health, suitable for families with young children and the elderly.
In addition, the fan can rotate 350 degrees with 10 flexible wind speeds; remote control via iOS and Android mobile devices; including control via smart devices like Amazon Alexa.
Kangaroo bladeless fan
Kangaroo is a Vietnamese brand, currently headquartered in Hanoi, founded in 2003 by two young Vietnamese at that time. Kangaroo Company specializes in the field of household goods, water purification technology, energy equipment, kitchen equipment, … to many other electrical equipment.
If you are Vietnamese, try to choose to use Kangaroo bladeless fans to experience the aerodynamic cooling technology, capable of amplifying the air flow 15 times compared to conventional fans.
The product design is also suitable for Vietnamese users such as the compact design and dust-proof case material. Moreover, the price of the Kangaroo bladeless fan is “very soft”, it is worth a try.
Coex bladeless fan
Coex is a brand under the Korea International Trade Association (KITA), established in March 1979 and currently headquartered in Korea. The main field of this company is to connect businesses together to bring consumers the best products such as home appliances and electronics (oil-free fryers, televisions, bladeless fans, …).
Coex bladeless fan was launched in 2011 with a modern design and integrated many convenient functions. Users can adjust the wind direction up and down according to the vertical plane with stable operating wind speed and no noise.
In addition, the product is also designed with an LCD screen displaying functions such as temperature, timer, fan speed, … and even remote control.
Should I buy a bladeless fan?
Depending on your technology experience needs, you can choose to buy a bladeless fan to feel the wind speed that this device brings compared to the traditional bladed fan and air conditioner fan?
However, if you focus on the issue of cooling efficiency and do not want to change the habit of using the fan so far, it is still best to choose a traditional blade fan, which is easy to repair and replace components every day. broken at home.
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