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2020-04-18

Standard for Floor Test of DC Cooling Fans

Due to the particularity of its products, the industry standard for DC cooling fans is: for cooling fans with outer frames, according to the size of the cooling fans, the single body falls to 30-100CM, with six sides, and freely falls on a 1CM thick board. the cooling fans are partially damaged, but the cooling fans can operate normally, and the electrical performance is qualified.

Standard for Floor Test of DC Cooling Fans

2020-04-11

What are the heat transfer methods of low noise DC fans?

What are the heat transfer methods of low noise DC fans? Low noise DC fan wind pressure and air volume are two relative concepts. Generally speaking, DC cooling fans in the manufacturer's cost-saving considerations, to design the fan's large air volume, it is necessary to sacrifice some wind pressure. If the fan can drive a large amount of air flow, but the wind pressure is small, the wind cannot blow to the bottom of the radiator (this is why some fans have high speed and large air volume, but the heat dissipation effect is not good). On the contrary, large wind pressure often means that the air volume is small, and there is not enough cold air to exchange heat with the heat sink, which will also cause poor heat dissipation effect. The following small series for everyone to share low noise DC fan heat transfer in several ways.

What are the heat transfer methods of low noise DC fans?

2020-04-11

Between DC fan blades and fan?

Between DC fan blades and fan? Fan housing and blades are an essential whole. What are the effects between the two?

Between DC fan blades and fan?

2020-03-14

The method of replacing the cooling fan and the judgment of the speed value

Cooling fan replacement method Cooling fan, the use of more than three years or so, will often be damaged or heat dissipation function damage because of the ash, then we can change a new cooling fan to ensure the normal use of electrical appliances, so how to replace the radiator correctly:

The method of replacing the cooling fan and the judgment of the speed value

2020-03-14

Maintenance and maintenance of cooling fan of household air purifier

Nowadays, household air purifiers are beginning to enter people's lives, but everyone only knows how to use them, but they don't know how to maintain them. Today, the editor of Jingdian Port shares the maintenance and maintenance of the cooling fan of the air purifier. With the improvement of living standards, more and more people begin to pay attention to the home environment, indoor air quality directly affects people's life and work, so it is very important to improve indoor air quality.

Maintenance and maintenance of cooling fan of household air purifier

2020-01-16

Jiangshanlai 2019 End-of-Year Tail Dinner Review

As time goes by and time goes by, every time the Gregorian calendar year leaves the old and welcomes the new, Jiangshan will hold tailteeth on special days. The annual end-of-year dinner has always been the tradition of "Jiangshanlai Electronics Co., Ltd." The annual reunion allows everyone to feel the warm time of reunion with their families early.

Jiangshanlai 2019 End-of-Year Tail Dinner Review

2020-01-15

Composition and Application of DC Fan

Cooling fans can be divided into two categories according to the type of power supply: DC fans and AC fans. However, from the point of view of physical composition, DC fans and AC fans have the same basic composition structure: fan blades, rotor, stator, fan frame and bearing system. What is the structure and function of a DC fan? Details are as follows. 1. Fan frame: support fan motor and guide airflow 2. Fan rotor part: includes fan blades, which are the source of airflow and the axis of the fan. Fan rotor part: used to support the balance fan blades, rotor magnetic ring, permanent magnet, key to push the magnetic level to switch the speed, the outer frame of the magnetic ring and the rotation of the fixed magnetic ring

Composition and Application of DC Fan

2020-01-13

Will the positive and negative poles of the DC cooling fan burn?

When the DC cooling fan has only two positive and negative power cords, the positive and negative wires of the DC cooling fan are connected in reverse during installation. Will the cooling fan cause burning? Please come and have a look at the editor! The DC cooling fan has two positive and negative power cords. When installing the cooling fan, the positive and negative lines are connected in reverse. Does the cooling fan cause burning? Perhaps, this is mainly related to the integrated circuit design of the cooling fan factory. Generally, due to the internal protection design of the two-wire winding drive integrated circuit, the positive and negative power lines are connected in reverse, resulting in a short circuit. At this time, the current of the cooling fan will be much higher than normal, and when the motor

Will the positive and negative poles of the DC cooling fan burn?
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Contact: Mr. Bao
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