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Cooling fan in everyday use

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Cooling fan in everyday use

Release date:2017-11-04 Author: Click:

Cooling fan is widely used in daily life, inverter, inverter power supply, inverter, inverter, welding machine, cabinet, electrical box, LED display frequency, sparks, packaging machines, computer cases, electric car charger, Medical equipment, equipment and so on。 All designers of motors and electronics that require cooling fans must decide on the amount of airflow needed for cooling a particular system, and the amount of airflow required depends on understanding the system's power consumption and the ability to take away enough heat to prevent the system Overheating occurs。 Facts have shown that the life of the system will be reduced due to lack of cooling system, so designers should also understand that the sales volume and price of the system may decline because the system's service life does not meet the user's expectations。


This phenomenon often occurs in some large-scale power plants, the most serious or even impeller flying accidents;

Cooling fan

Motor fault。 Such as over-current, serious burned motor;


Blade wear. Mainly occurred in the induced draft fan.


Electrical input timing bad grasp or electrical failure, resulting in induced draft fan wear。 This is the most prone to failure of coal-fired power station induced draft fan。


Oil spill, adjust the oil pressure instability. Both affect the regulation of fan performance also threatens the safety of fans;


According to G3 comprehensive reports: The above phenomenon once the cooling fan axial fan used, must stop checking, can not continue the boot operation, otherwise it will cause great damage to the fan, you can check whether it is the first flow Long-term operation of the fan stall conditions, the airflow pressure pulsation amplitude increased significantly, blade resonance damage; fuselage itself is no problem, start designing is reasonable; the hidden dangers of the installation, such as shaft imbalance or connection is not Well, leading to fan vibration, bearings, coupling easy to damage; if these reasons are not, then consider whether the selection of the fan is not appropriate。 Cooling fans are widely used in daily life, inverter, inverter power supply, inverter, inverter, welding machine, cabinet, electrical box, LED display frequency, sparks, packaging machines, computer cases, electric car charger, Medical equipment, equipment and so on。 All designers of motors and electronics that require cooling fans must decide on the amount of airflow needed for cooling a particular system, and the amount of airflow required depends on understanding the system's power consumption and the ability to take away enough heat to prevent the system Overheating occurs。 Facts have shown that the life of the system will be reduced due to lack of cooling system, so designers should also understand that the sales volume and price of the system may decline because the system's service life does not meet the user's expectations。

This phenomenon often occurs in some large-scale power plants, the most serious or even impeller flying accidents;

Motor fault。 Such as over-current, serious burned motor;

Blade wear。 Mainly occurred in the induced draft fan。

Electrical input timing bad grasp or electrical failure, resulting in induced draft fan wear. This is the most prone to failure of coal-fired power station induced draft fan.

Oil spill, adjust the oil pressure instability. Both affect the regulation of fan performance also threatens the safety of fans;

The above phenomenon once the cooling fan axial fan used, must stop checking, can not continue the boot operation, otherwise it will cause great damage to the fan, you can check the flow fan is not long-term stall conditions Under the work of the airflow pressure pulsation amplitude increased significantly, blade resonance damage; fuselage itself is no problem with the body, the starting design is reasonable; the hidden dangers left by the installation, such as shaft imbalance or poor connection, leading to fan vibration Large, bearings, coupling easy to damage; if these reasons are not, then consider whether the selection of the fan is not appropriate.

Article url:http://www.pewhdc.com/en/news/343.html

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