The cross flow cooling fan impeller is multi blade type. The shape is long cylindrical, with front multi wing blades. When the impeller rotates, the air flow enters the blade column from where the impeller is opened. The volute is discharged from the blade column on the other side through the impeller to form the working air flow. This is a brief introduction and working principle of the cross flow fan. Next, let's understand the characteristics and application fields of the lower cross flow fan.

Features of cross flow fan:

1. The cross flow cooling fan uses a long barrel fan impeller to work, and the diameter of the barrel fan blades is relatively large. Because of the large diameter, on the basis of ensuring the overall air circulation, a relatively low speed can be used to reduce the noise caused by high-speed operation.

2. The cross flow fan blades have been carefully designed to make the distance between the blades disorderly, presenting a situation of "unequal spacing". This irregular distance phenomenon can make the audio produced by the wind wheel and the air irregular, thus becoming a piece of wind noise rather than a noise concentrated on a certain audio segment. Obviously, this broadband noise is close to the state of nature, so it will not sound so upset.

3. Considering that the whole blade of cross flow fan is not in a straight line, but is sagging in the middle. If inferior materials are used to manufacture the fan blades, although it can help enterprises reduce costs, obvious deformation is likely to occur. In this case, it can be imagined that the noise of drooping fan blades during high-speed operation is terrible, and will also lead to extremely obvious vibration.

There are many types of cross flow fans on the market, such as DC cross flow fans and AC cross flow fans. Cross flow cooling fans are also widely used in air purifiers, wine coolers, fireplaces, refrigerators, solariums, subways, combine harvesters and other equipment.

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