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[Do you know about heat dissipation] matters needing attention for temperature-controlled cooling fans

Release time:

2019-07-31

Nowadays, more and more places are used for cooling fans, and the places where temperature-controlled cooling fans are used are gradually increasing, but what are the things that temperature-controlled cooling fans should pay attention to, do you know! First of all, let's take a look at the principle of temperature control cooling fan: according to the increase of heat around the fan, the speed of the fan itself is increased, and the air flow (exhaust volume) is increased at the same time. It uses a thermistor to detect the temperature, and a sensor mounted on the fan hub can detect the temperature passing through the fan. In this configuration, the fan must be installed correctly. When the fan is installed, the thermistor sensor can be sensed by a special connection line.

NowCooling fan More and more places are used, and the use of temperature-controlled cooling fans is gradually increasing, but what are the matters needing attention of temperature-controlled cooling fans, do you know!
First of all, let's take a look at the principle of temperature control cooling fan: according to the increase of heat around the fan, the speed of the fan itself is increased, and the air flow (exhaust volume) is increased at the same time. It uses a thermistor to detect the temperature, and a sensor mounted on the fan hub can detect the temperature passing through the fan. In this configuration, the fan must be installed correctly. When the fan is installed, the thermistor sensor can be sensed by a special connection line.
The operation of the fan varies with the heat. At a slower speed, the fan will produce less noise and consume less energy. In most design requirements, the air temperature is usually lower than the maximum design temperature value after the fan is running for several hours. Under normal circumstances, a low-speed cooling fan can sufficiently complete its work.
We should also take into account several factors when choosing and installing cooling fans:
First, the temperature-controlled cooling fan must be able to provide sufficient exhaust volume (ie speed). The hot air in the cooling device at high temperatures, when the temperature of the hot air is relatively low or the hot air flow is relatively small, it is reversed. Work.
Second, when installing the sensor, you must choose the correct position to ensure that it can be placed in the appropriate position. As far as possible, the sensor can be directly clamped on the surface to be dissipated. In operation, the temperature control of the fan, if the heating temperature is high, the regulator will feel faster speed, and at a lower temperature, at a lower speed, in the middle of these higher and lower, the fan speed will be almost no change in temperature. The temperature changes slowly, when the fan, the fan speed change is slow, will not suddenly change the fan speed and noise. The reaction time depends on the length of the sensor and its thermal sensitivity.
The above is the attention of the temperature control cooling fan. Shenzhen Jiangshanlai Electronic Technology Co., Ltd. is a large-scale enterprise specializing in the customization, research and development, manufacturing, sales and service of DC brushless motors, DC cooling fans, DC brushless fans, DC bracket fans, pressurized cooling fans, micro cooling fans, DC blowers, and non-standard fans, DC fan wholesale manufacturers and DC fan suppliers. Products sell well in Guangdong, Shenzhen, Guangzhou, Dongguan, Fujian, Zhejiang, Jiangsu and other places.
If there is a need, you can consult us.

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