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  • 022019-12

    How do you know if a DC fan is good or bad

    1. First see whether the performance of axial flow fan in line with the actual air volume pressure, in line with the actual model, in order to achieve the actual demand for air volume. 2. Bearing parts of the vibration value is not high,...

  • 022019-12

    Explanation of LD function of Cooling Fan

    The function of LD is to output high level alarm signal when the fan speed is below the limit speed, such as 5000RPM of the fan speed standard of a certain specification, and to start alarm when the fan speed is below 70% (that is, below...

  • 022019-12

    What are the advantages of choosing EC FANS

    Now there are a lot of use in life cooling fan, it is also divided into many kinds, AC fan, DC fan, and so on, the choice of EC fans have any advantages, the following to introduce the advantages of EC fans; 1, from the curve, EC...

  • 022019-12

    DIFFERENCE BETWEEN AC and DC fan

    The difference between AC and DC fans the principle of operation of AC FANS: AC Fans because the power frequency fixed 50 Hz or 60 Hz, so the frequency of fixed silicon steel pole changes, so the coil power, the direction is constantly s...

  • 022019-12

    What is the testing method of air-conditioning direct current fan?

    Air Conditioning is very common in daily life, air conditioning DC fans are the most important to air conditioning, so once the problems of air conditioning DC fans are very troublesome, so it is very important to master the detection me...

  • 022019-12

    What is the inspection standard for incoming material of DC FAN

    Many industries need to use DC fans, a company's incoming inspection standard do you know what? To standardize the inspection standard and method of DC fan can make the inspector clear the items to be inspected, the basic knowledge of Fa...

  • 022019-12

    What is the heat transfer method of low noise DC FAN

    The air pressure and the air volume of the cooling fan are two relative concepts. In general, a lot of cooling fan manufacturers will consider the fan from the cost-saving aspect of the wind design, the wind will sacrifice some wind pres...

  • 022019-12

    DC Fan in the operation of factors affecting the speed

    DC FAN is no stranger to many people nowadays. In our daily life, we often come into contact with many customers when choosing DC aircraft The first thing to consider is to ask DC FAN manufacturers quality, product quality, product speci...

  • 022019-12

    Low Noise DC fan

    Low Noise DC fan pressure and air flow are two relative definitions. In general, DC radiator fan in manufacturers to save costs under consideration, to design cooling fan air volume, but also give up some air pressure. If the cooling fan...

  • 022019-12

    Air Purifier Fan axial flow fan or centrifugal fan?

    Currently, there are two main types of fans on the market: Centrifugal fans and axial flow fans, said air purifier, a professor of electrical engineering at the University of California, Berkeley, who was not involved in the study. Axial...

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