How does a bladeless fan work: device and principle of operation of the device

Which manufacturer and type is better to choose: TOP-3

Among the above models, some can be distinguished as the best. They have improved technical characteristics, so the price is higher than other devices.

Of the floor models, the DYSON AMO8 fan attracts attention. It has increased data compared to other devices in this series.

For example, it consumes 15% less electricity, but the air stream is more powerful and uniform. Quickly cools the air in the room. The price is 24579 rubles.
The compact and stable ORION OR DS01 is an excellent budget desktop fan model. High-quality plastic, the ability to turn and tilt with a slight movement, the absence of vibration are the undoubted advantages of this device. The price is 2222 rubles.
DYSON AMO6 30 is a high quality model. The devices of the English manufacturer are in the top line of the popularity rating. Low noise level, low power consumption, remote control with the possibility of settings - all these advantages cause a high cost. The price is 24990 rubles.

Principle of operation

Table fans are devices for creating a comfortable microclimate in the room. Modern models have a speed switch, blade rotation and tilt angle. Desktop fans can be adjusted to blow a specific area. All devices are quite compact and easy to operate. There are devices that are made in the original style solution. Thanks to this, the room becomes more interesting and colorful. Design features of desktop devices:

• support leg;
• engine;
• cord with plug;
• Control block;
• blades with protective covers.

Additional functions

When choosing a floor fan, you will find that almost all models are equipped with various additional options. They greatly facilitate the management and make the operation of climate equipment more comfortable.

The most common features:

1. Remote control.With it, you can turn the device on and off, switch operating modes.
2. LCD display. The display with up-to-date information simplifies operation and setup of work.
3. Timer. Can set the fan running time. It is especially important during falling asleep for automatic shutdown so that it does not work all night.
4. Control via Wi-Fi and Bluetooth. With this option, you can control the device from a computer or smartphone.
5. Ionization. It saturates the air with negative ions, the air is cleared of microbes, it becomes easier to breathe.
6. Air humidification. With the help of the built-in ultrasonic evaporator, it increases the humidity in the room.
7. Motion Sensor. Turns the fan on when someone enters the room and turns it off when the room is empty.

Before choosing a floor fan, you need to know its specific characteristics. Below are recommendations based on which you can choose the parameters suitable for cooling your home.

The characteristic that affects the area and intensity of blowing is indicated for axial devices. Choose a fan with blades with a diameter of 10 to 16 centimeters.

Power

This parameter directly depends on the size of the refrigerated room. For a small room up to 20 sq. m, a fan with a power of 40-60 W is suitable, for a room larger than 20 sq. m need power from 60 to 140 watts.

air strike

This characteristic is not always indicated by the manufacturer, as it is believed that it is unimportant. It depends on the diameter of the blades and power, and affects the rate of ventilation of the entire room.

If an air impact of 5 meters is specified, then the maximum distance from the fan at which its operation will be felt will be 5 meters.

Air exchange

This performance it varies from 100 to 3000 cu. m/hour. With its help, knowing the volume of the ventilated room, you can calculate how many air changes can occur.

Different rooms have different norms for the number of air changes. To calculate the required air exchange, you need to multiply the volume of the room by the rate of the number of air changes per hour.

Average rates:

• bedroom - 3;
• living quarters - 3-6;
• kitchen - 15;
• toilet - 6-10;
• bathroom - 7;
• garage - 8.

Airflow area

This characteristic also indicates the performance of the fan. Maximum up to 50 sq. m. But it is better to focus on air exchange.

Tilt and swivel

The tilt angle is responsible for turning the working mechanism up and down and can reach 180 degrees.

The angle of rotation is responsible for the rotation of the working mechanism horizontally and ranges from 90 to 360 degrees.

Most fans have an auto-rotate function - the head with the motor and blades automatically rotates from side to side in a horizontal plane, cooling different parts of the room.

Noise level

The less noise, the more comfortable the fan works. Choose a floor fan with a noise level of 25-30 decibels.

Cheaper models are especially noisy.

Airflow mode

The intensity of the air flow depends on the blowing mode and depends on the number of rotation speeds. They can be from 2 to 8.

Control block

Floor fan control can be touch or mechanical (button). The presence of an information display simplifies operation, showing which mode and functions are enabled at the moment.

With it, you can carry out remote control, which also simplifies its use.

Timer

The timer can only come in handy if you go to bed with the fan on and want it to turn itself off after a certain period of time.

In other cases, when you are in the room, the timer is not needed, it makes no sense to set it up, it is easier to turn it on or off with the knobs.

Ionizer

Air ionization is an additional useful feature. The ionizer saturates the air with negative ions and this has a beneficial effect on the well-being of a person.

Humidifier

Combining a fan and a humidifier helps keep the humidity in your home at the right level. The price is much higher because of this, since two are combined in one climatic device.

Certificate

To confirm the quality and compliance with the standards for climatic and electrical equipment, check for a certificate.

Fan without blades

The original device is gradually gaining momentum among users who have already made sure that the unit is working efficiently.

Fan without blades: principle of operation

Based on the appearance of the device, it is not immediately possible to figure out the purpose of its purpose. A fairly simple design effectively transmits a powerful air flow. The movement of air is carried out through the air intake, followed by exit from the opposite side at high speeds. An aerodynamic device is provided to create a low pressure in order to roll out the air flows at the inlet. The built-in turbine is used to quickly change air masses, so the equipment is more efficient than a conventional fan.

This type of device passes approximately 500 liters of air per second, and the supply is evenly distributed throughout the room. The creation of models was based on the principle of operation of aircraft jet engines.

Healthy! Modern units do not take up much space in the room, but at the same time they blow the room with high quality with a uniform air supply. They are easy to use, it is enough to read the instructions to fully understand the principle of operation of the device.

Design

With the help of innovative technologies, the device is produced with various functionalities. The design of different models may vary slightly, however, all instances consist of the following parts:

1. Frame;
2. blowing element;
3. Control Panel.

On the body is the engine responsible for the full operation of the device. The process of drawing in air is carried out through the holes located on the base of the device.

The unit is controlled by a mechanical or electronic method. Most of the models work by remote control.

The control panel is equipped with the following functions:

1. On/off key;
2. Rheostat - provided for speed control;
3. There are additional options depending on the functionality of the device and the manufacturer.

The blowing base is made in a round, oval or any other geometric shape. This part is produced in different sizes, depending on the model of the device.

Applications

It is used in everyday life, in production, has no restrictions and special requirements for use.The absence of blades makes such a device completely safe for health, so it can be installed even in kindergartens, schools, hospitals. The small parameters of the equipment make it possible to operate it in private homes, cottages, and offices.

Healthy! The device can be quite multifunctional and can be used for cooling, heating and even humidifying the air. However, this functionality is available to more expensive models.

Fan Varieties

Bladeless units are of three types, such a division of devices is based on their installation principle:

1. Floor. Placed on the floor surface in any convenient place, it is distinguished by the ability to replace low-power air conditioners. Easy to install and manage. The required power, the speed of blowing and rotation of the body are easily regulated;
2. Desktop. The most popular type of air multiplier, which does not take up much space and goes well with any room interior. Produced in original designs that perfectly dilute the boring everyday life. The height of the unit ranges from 50-55 cm, and the diameter of the ring does not exceed 30 cm. Compact equipment will provide the required climate in small rooms;
3. Mini. Due to their compactness, they are easy to transport to any location. They are the best solution for replacing the air conditioner in cars.

Pros and cons

Every home appliance has its pros and cons. When purchasing such a device, you should know the advantages and disadvantages and choose a device based on these factors.

• stability - the motor is located on a reliable leg, due to which it does not fall;
• high level of safety - in the absence of rotating parts, you can not get hurt;
• productivity - climatic requirements are achieved in a short period of time, and the room is cooled evenly throughout the room;
• original design;
• compactness - it is possible to install in any convenient place;
• economy - consumes little electricity;
• does not dry out the skin;
• practicality in care - easy to clean, because there are no small parts;
• blowing power is adjustable.

• increased noise level, minimum 40 dB;
• quite expensive.

Work procedure

Cooking plastic pipes

We take a piece of PVC pipe with a diameter of 150 mm and trim it, aligning the edges. We mark a fragment about 100 mm long, and make a cut with a miter saw or grinder (angle grinder).

The edges of all nozzles must be sanded to avoid burrs, unevenness and to improve the fit of the edges for adhesive bonding.

The next step is to select a plastic container that will fit snugly on our pipe section. We cut off the bottom of it with a paint knife, and with the help of superglue we fix it on the top of the pipe.

Then we take a pipe with a diameter of 125mm, and cut off a pipe 90mm long from it.

The next will be a pipe with a diameter of 90mm, which we also cut, like the previous two. This is the base of our fan. The length of the segment is 120-130mm.

Basic plastic parts are ready. You can check how they will be combined with each other by placing them in their places.

The fan frame sits perpendicularly on the base, so the 90mm nozzle needs to be slightly prepared by cutting its edge according to the frame circumference. We mark it with a pencil, you can cut it with a jigsaw or the same grinder.

Irregularities in a curved cut can be smoothed out with sandpaper, removing burrs at the same time.

Using a crown cutter with a diameter of 50-60mm, a drill or a screwdriver, we make a through hole in the middle of the largest branch pipe. It will allow airflow to pass through the base into our frame. We fix our base on superglue.

In order to close the fan frame, consisting of two pipe sections of different diameters, a plug is glued on the smaller of them from one end. We make it from a sheet of plexiglass or blue plexiglass.

Marking first a large circle, and then a smaller one, cut off the plug ring.

Now it can be put on superglue to the smaller nozzle of the frame.

Using white spray paint and duct tape as masking tape for the plexiglass, we paint over the plastic parts of our fan.

After the paint has dried, you can glue a piece of LED strip on the larger pipe on the side of the plug. Do not forget to immediately solder the contacts for the LED backlight, and bring them to the base.

We fix both nozzles of our frame with superglue.

The best fan manufacturers - which company to choose

Many home appliance manufacturers have included domestic fans in their product line. This is due to the simplicity of design and the popularity of devices among buyers.

Affordable price and the ability to use most models immediately after purchase allows the fans to keep their positions on the market, despite the introduction of more efficient, but sophisticated climate technology.

High-quality fans worthy of attention are produced by companies:

• Rolsen;
• Maxwell;
• kitfort;
• Bork;
• Vitesse.

The best models, their features, advantages and disadvantages can be found in the rating of the best fans according to owner reviews.

Functions

Ventilation units have a number of additional functions that make the mechanism more efficient and easy to manage:

• Hydration. Allows you to cool the room without drying the air. The device increases the cost of the product, but is good for health.
• Ionization. Purifies the air and restores the balance of negative ions. The ionizer is very useful for children, the elderly and everyone who spends a long time at the computer. It is recommended to use such a device during the period of seasonal diseases.

It is strictly forbidden to use an ionizer:

1. with oncological diseases,
2. elevated body temperature,
3. after operations
4. with bronchial asthma,
5. in heavily dusty areas,
6. in violation of blood circulation in the brain,
7. with hypersensitivity or individual intolerance to ionized air.

• Rotary system. The system allows you to direct the flows in any desired direction.
• Timer. Allows you to program the fan on/off mode.
• Hydrostat. Ventilation device for the bathroom, which is equipped with a humidity sensor. The mechanism turns on automatically when a certain humidity is reached. This parameter allows you to control the humidity level in damp rooms.
• Motion Sensor. Allows you to automatically turn on the ventilation system when a person appears in the room. Shutdown occurs after an interval that is set by the timer.
• Watch. They are located on the main panel of the device.
• Airing.The constant ventilation mode implies the operation of the device at a low speed, providing a minimum air exchange. If the humidity increases, the mode switches to maximum.
• Splash protection. With this parameter, special models of units are produced, which are supposed to be used in rooms where there are constant splashes of water. Splash protection on the device is marked IP*4.
• Check valve. The function is useful when one ventilation system is installed in a room with several rooms. Valves allow you to start the system selectively and block access to some rooms.

The device and operation of a bladeless device

A fan without blades is often called the Dyson fan, or, as he himself called the device, the Air Multiplier after its creator. This original invention is in demand due to the ability to create a uniform air flow and fit perfectly into any interior.

The multiplier looks stylish, and the availability of analogues on the market makes it affordable for a wide range of consumers.

Image gallery

However, the price of such novelties exceeds $300.

Depending on the model, the device itself will also differ. After all, the more functions it can perform, the more buttons will be on the control panel.

The fan without blades consists of the following parts:

• frame;
• control Panel;
• blower.

In the case there is an engine responsible for the operation of the device. Also on this part there are special holes through which air will be drawn in when the multiplier is turned on.

The appearance of the device for all manufacturers may differ significantly, as well as the size, functionality and cost.

The fan can be controlled mechanically or electronically using the panel. In most cases, remote control is provided. Many models from various manufacturers are equipped with a remote control that works, on average, at a distance of 3 meters.

The control panel provides:

• on/off button;
• rheostat for speed control;
• other buttons depending on the model of the multiplier and the functions provided by the manufacturer.

The blower has a round or oval shape. Its size depends entirely on the model of the product. This part of the fan can have a clear geometric shape or be in the shape of a heart, an apple, etc.

Air multipliers according to the installation method can be divided into 3 types:

• floor;
• desktop;
• wall.

The first 2 types are portable devices, and the last one is stationary. Often, manufacturers provide 2 options for one model: wall mounting and table mounting. In this case, the fan must be equipped with brackets with dowels.

When hanging the device on the wall, it is important to use the accessories offered by the manufacturer. Otherwise, you may void the warranty.

Dyson fan: principle of operation

Bladeless fans are capable of passing through themselves up to 500 liters of air in 1 second. The outlet stream is evenly distributed, gently enveloping the entire space. During visual inspection, moving parts outside the operating device are not observed. This is what an air multiplier looks like at first glance.

The principle of such an efficient operation of a bladeless fan is the repeated multiplication of the drawn air at the outlet.This is due to the special shape of the blower and the presence of a hollow channel of a special shape inside it.

Among the manufacturers offering their bladeless equipment, the following companies can be noted: Flextron
, SUPRA
(Supra), UNISVET
, Clever and Clean
, Roward
, Dyson
, coolguy
, Aaron
, RENOVA
, Orion
, Bladeless
, Bilux
, MAGNIT
.

The price range of bladeless devices of these companies is from 2,000 to 35,000 rubles or more.

An important characteristic that affects the level of comfort when using a fan is the noise level. It can be 40db, 55db, 60db or more

This is the most important parameter to consider before buying.

When the fan noise is 60 dB or more, a person will become tired after an hour of operation and may have a headache

Manufacturers indicate the noise level of a particular model in the technical specifications. Moreover, this is the limit level, which is achieved when the equipment is operating at maximum speed. For cheap devices, the declared noise level may not correspond to reality.

Step 8 LED Strip

To make the design more attractive and elegant, add a 12V LED strip on the inside of the air outlet at the end where the fiberglass sheet will be glued to the inner air outlet sleeve. The light strip is cut to the required length. The tape has a sticky side and is attached by removing the protective coating from the back of the tape, and then sticks to the PVC body.

When the fan turns on, the LED strip illuminates the back of the air outlet and thus produces a very cool visual effect by spreading blue light.

How does a fan work

The essence of the fan is to move air with the help of curved blades directed in a certain direction. Depending on the engine power, the blades rotate along the axis with the appropriate force, repelling the air flow, and is intended not only for everyday life, but also for cooling various appliances and equipment.

Fan device

There are many types of fans, but almost all of them have the same device. The blades are mounted on a shaft that rotates with an electric drive. The dimensions of the blades and the motor vary according to the purpose of the application. In everyday life, the diameter of the blades usually reaches 40-50 mm, in industry the dimensions can vary from 1 to 3 m. In the process of blowing, the blades capture air and repel it along the axis.

Does the fan cool the air

A household fan does not cool the air, but only creates wind. Even if he works for days, the air in the room will not cool. A person purposefully directs it in his direction in order to feel the breath of the wind. In the heat, increased sweating appears on the body, which takes away excess heat, and the fan simply speeds up this process.

How does the fan switch work?

Devices with motion sensors are more often used in offices. The essence of their work is as follows: a sensor with an infrared eye is located proportionally to the axis, which reacts to movement. As soon as an interference occurs, the drive starts immediately. As a rule, such fans differ from standard ones in price.If you buy a cheap device with a switch-on sensor, then most likely the fan will not work correctly, not always respond to movement and turn off.

How cool is a bladeless fan

First, it is silent. How often on a hot July night before you had to toss and turn to the sound of mosquitoes and the rattling of a fan! .. This will not happen with the Dyson: the air is blown gently, without the noise of the motor, the crackling of the blades and the vibration effect. Under it you can sleep peacefully (mosquitoes, alas, does not drive away). Here is a Dyson fan you can put on the nightstand by the bed:

Secondly, it can be used "in the opposite direction" - as a heater. To do this, a heating element is added to the blower, and the drawn air becomes warm. So this is a two-in-one device - for example, this model Dyson Pure Hot+Cool

And not even two in one, but four in one! Because if you additionally add a HEPA filter and an ultrasonic humidifier to the device, then it also becomes an air purifier-humidifier. Such is the MFP for ventilation in the apartment. For example, this model Dyson AM10

With the onset of heat, we think of fans, the simplest and most accessible human inventions for air freshening. The classic design of the fan consists of an engine, on the shaft of which an impeller with many blades is fixed. During the operation of the fan, air is sucked in from its rear side, and passing through the blades with increased speed is pushed forward, creating the effect of cooling and freshness. A conventional fan has a number of disadvantages: noise and vibration from the blades, which collect dust and air pollution.In order to clean them, it is necessary to remove the protective grille. The speed of such fans is regulated in just a few modes, and it can be difficult to adjust the airflow angle at all. The alternative device proposed by us is devoid of these shortcomings. This development was invented by Dyson engineers, presenting an almost revolutionary solution in the field of air ventilation. Thanks to them, the world learned what a bladeless fan is. And today we will collect it at home.

How does a fan work?

Since the drawing of the device is protected by copyright, we will describe the operation of the fan based on the drawings used in this product.

How a bladeless fan works

Explanation for the figure:

• A - holes for air to the turbine.
• B is the turbine engine.
• C - air flows inside the ring.
• D is a ring.

When turned on, the turbine begins to force air into the ring, from where it exits under pressure into a small slot (A in Fig. 5) or small nozzles.

Rice. 5. A - Slot for air outlet; B - ring rotation motor

Some models (for example, Flextron FB1009, KITFORT KT-401, HJ-007, Bork) have a built-in motor (In Fig. 5), which allows you to change the direction of the ring, and, consequently, the air flow. Some manufacturers have provided for the possibility of installing a special aerosol into the design, as a result, the Airmultiplier Dyson (this is how Dyson called his brainchild) additionally acts as an air freshener (part of the Kitfort, Supra, Renova, Vesson model range).

There are bladeless fans with air cooling and heating; such household appliances can be quite classified as full-fledged climate control equipment.

Original devices are produced with a power plant (turbine) with a power of 25 or 40 watts. For Chinese counterparts, this parameter can vary over a wide range. Such a small power is quite enough for up to 500 liters of air per second to pass through the ring (again, this value applies to original products).

Soler & Palau ARTIC-400 CN

Review

I chose it because the fans of the same company (Soler & Palau) in the bathroom and toilet have been working for several years without complaints and problems. First impressions are only positive, at maximum rotation speed it simply blows away while there is no sound from the rotating blades - only air noise.

pros

• Quiet enough
• Powerful
• Reliable
• Quality build

• axial
• power 60 W
• handles 2900 cu. m/hour
• body tilt function
• the ability to rotate the body

conclusions

A bladeless device that strikes the imagination not only by its design, but also by its characteristics, called the "air multiplier", boldly pushes its predecessors on the market. It is rightfully considered a bold step in the evolution of home climate control appliances.

It creates a monotonous illuminating flow that does not cause discomfort, without creating drafts, as is the case with conventional cooling devices. The work of the invention, which turned all the stereotypes about household coolers upside down, is almost imperceptible and unobtrusive. Its main advantages - hygiene and safety, efficiency and range of modes, efficiency and reasonable price make it the best among air coolers.

Looking at it for the first time, it seems that there was magic here, but now you understand that everything is much more prosaic.The technical novelty will save energy, help to endure the heat and decorate the interior. If you want to bring something really interesting to your life, then a bladeless fan will be a worthy choice.

Video: Bladeless fan. Invention.

Conclusions and useful video on the topic

In the following video, Elcom specialists talk about centrifugal fans in an accessible way:

Below is a great example of installing a domestic fan in a bathroom:

Another option for installing a low-power household fan in an apartment:

The classic centrifugal fan is the result of many years of experience in the design and manufacture of ventilation equipment. It is not only an excellent solution for industry, but also the optimal air transport tool for residential and office environments.

Are you thinking about purchasing a centrifugal fan? Or noticed a discrepancy in the disassembled material? Ask your questions, clarify technological aspects in the comments block.

Or maybe you have already installed such a fan in the bathroom? Are you satisfied with his work? Have you chosen the right power of the device for your room? Send a photo of your fan and leave your comments.