GF92251B1-000U-AC9

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DC fans are one of the major components of today\'s electrical systems. They are used in a variety of applications and are capable of providing both cooling and ventilation to many electronic components, as well as providing a higher level of efficiency. One example of these fan types are the GF92251B1-000U-AC9 DC fans – and this article will be covering their application field and working principle.

Application Field

The GF92251B1-000U-AC9 DC fan is designed to be used in various applications, such as home automation, medical, medical equipment, telecommunication, industrial control, office automation, portable electronics, automotive, and aviation. It is also used in audio-video equipment and defence power system.

The product range of this DC fan is offered in four different sizes and three different voltage ratings. The size of the fan is 92 x 92 x 38mm and the voltage rating is 5, 12 and 24 volts. This allows for both larger and smaller devices to be powered by the same fan, depending on the specific application.

The air delivery of GF92251B1-000U-AC9 is 16.48/13.50/10.20 CFM (Cubic Foot per Minute) and its static pressure is 0.242/0.256/0.275 inH2O (inches of water). It also has a noise level of 27/29/36 dBA and an operating temperature range of -20℃~70℃ (or -4°F ~ + 158°F). This range of air delivery and pressure allows the fan to be used in a variety of applications without having to worry about the noise level or the cooling of the device.

Working Principle

The working principle of the GF92251B1-000U-AC9 is based on DC motors. The motor is composed of three parts, namely, the electrical current supplied by the source, the rotor and the stator. The rotor is connected to the stator via a magnet and is responsible for the rotation of the fan blades.

In order to start the motor, the power source is connected to the stator in two ways; either a voltage is applied directly to the motor or a current is fed through the stator. Depending on the type of current used, the RPM of the fan can be adjusted. Once the fan is in motion, it will create a vacuum inside its housing, which in turn will draw air in from the surrounding environment.

The GF92251B1-000U-AC9 DC fan use an enclosure to house the fan blades and the motor. The enclosure is made from materials such as aluminium, plastic or steel which provides the necessary protection against dust and other particles. In order to maximise the performance of the fan, the enclosure is insulated to prevent the heat generated by the motor from radiating outwards.

The DC fans are also equipped with a forward-curved impeller which helps in increasing the air delivery and static pressure. Furthermore, the impeller also helps in reducing the motor\'s power consumption and makes it quieter. Additionally, a control circuit is used to regulate the speed of the fan, allowing for increased performance and efficiency.

Conclusion

The GF92251B1-000U-AC9 DC fan is suitable for a wide range of applications and is capable of providing both cooling and ventilation to many electronic components. Its size, air delivery, and pressure make it versatile and useful in different applications. Additionally, the motor and fan blades of this model are insulated to further improve efficiency and performance.

The specific data is subject to PDF, and the above content is for reference