The principle of air conditioning fan
1. It is an electric fan with a water cooling (ice) device. The single-phase shaded-pole asynchronous motor or single-phase permanent magnet synchronous motor drives the water curtain to move up and down slowly and roll, and the single-phase capacitor running motor drives the fan to blow out the cold air with a certain humidity around the water curtain.
2. Because of certain humidity, it also has the effect of purifying the air. The other is to install a water pump in the air-conditioning fan, in which the water pump can cool the air in the water circulation and blow out cold air below the room temperature. The cooling of the air-conditioning fan does not have a compressor, and does not use Freon. The built-in water pump keeps the water circulating in the machine and cools the surrounding air. No matter which type of air-conditioning fan, the actual cooling effect is the same.
Air Conditioning Fan Principle – There are 2 products depending on the way the water evaporates:
Wet mesh electric circulation: when the air blows, the water Evaporation, when water evaporates, it needs to absorb a lot of heat, and the air temperature drops, but the air humidity increases. In summer, the air humidity is already high, which may cause sweat to evaporate.
Special fiber wet curtain paper evaporator: The evaporator is also a kind of partition heat exchange equipment. The low temperature and low pressure liquid refrigerant vaporizes and absorbs heat on one side of the heat transfer wall, so that the medium on the other side of the heat transfer wall is cooled. The medium to be cooled is usually water or air.
Principle of Air Conditioning Fan – Evaporator
1. Evaporator for cooling liquid (water or brine)
◆This kind of evaporator can be divided into horizontal shell and tube evaporator (the refrigerant evaporates outside the tube is full liquid type, and the refrigerant evaporates in the tube is called dry type), and the vertical tube type cold water tank .
2. Evaporator for cooling air
◆One type is the evaporating pipe for natural convection, and the other type is the forced air flow The air cooler, the air cooler used in the cold storage is made into a box type, and the air conditioner used in the air conditioner is usually made into a tube cluster with fins. In this kind of cooler, the refrigerant depends on the pressure difference, the gravity of the liquid or the The pressure head generated by the liquid pump flows in the tube. Because of the cooled medium air, the heat release coefficient on the air side is very low, so the heat transfer coefficient of the evaporator is also very low.
3.Contact evaporator for cooling solid materials
◆Because the air-conditioning fan (cooling fan) does not have a compressor and does not need Freon, it is not in the real sense refrigeration.
How to use an air conditioner fan
1, horizontal placement
The air-conditioning fan should be placed horizontally. Note that it should not be tilted during use. Before use, check whether the power supply of the socket is consistent with the parameters on the fan nameplate.
2, add water frequently
For a new machine or an air-conditioning fan that has been out of use for a long time, it must be filled with clean water before use , You can observe the water level through the water mark to control the amount of water to be added. Before adding water, unplug the power plug to prevent damage to electrical components. The water level to be irrigated can rise to the “highest” position, and do not overfill; , Close the door. When using for refrigeration, pay attention to observe the water mark. When the water level drops close to the “lowest” position, you should add water, otherwise the cooling effect will be lost.
3, frozen ice crystals
Usually the air conditioner fan is equipped with two ice crystals, so that the ice crystals can be replaced to keep the air conditioner continuous To use, freeze one in the refrigerator every night and use the other. The effect is better and more convenient.
4, proper humidification
If you want to use the cooling and humidifying air supply function, you must first fill the water tank with fresh water, After about 1-3 minutes of starting work, the outlet air temperature will be reduced from the ambient temperature to achieve the best effect. When conditions permit, add low-temperature cold water or ice water for better cooling effect. If you add an appropriate amount of spices to the water, it will blow out a fragrant and cool breeze, which will make people feel refreshed and comfortable in the hot summer. Press the Refrigeration Humidifier lightly, the indicator light will be on, and the humidification function will be activated.
5, swing air supply
Air conditioning fans usually have the function of swing air supply. At this time, you only need to press the “wind direction” button once. After the “swing wind” indicator light is on, it will automatically supply air left and right. The air supply angle of the air conditioner fan is 120 degrees. “Once, the “directional wind” indicator light turns on and then stops swinging the directional air supply. At the same time, the upper and lower air supply positions can also be adjusted. For example, by adjusting the direction of the long air guide by hand, the air supply direction can be all down or up, and adjusted to the most ideal position according to your needs.
6. Maintenance
If the air-conditioning fan is no longer in use, the water in the water tank should be drained and returned to normal temperature. Air supply for a period of time, this is mainly to dry the filter part of the machine body, and then cover it with a plastic bag after drying, and seal it for storage.
