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Relay interface circuit of computer PWM fan

Relay interface circuit of computer PWM fan

The relay interface circuit of the computer PWM fan uses the established drive circuit and socket of the hardware monitoring circuit pulse width modulation ( PWM ) fan on the computer motherboard, and connects the working power of the PWM fan socket on the computer motherboard with the input ( control ) loop of the relay to…

Nov 19, 2018
How to protect the automobile transmission-heat sink is very important

How to protect the automobile transmission-heat sink is very important

Today, one of the most common choices consumers need to make about the transmission system is to choose a manual or automatic transmission. Drivers are more likely to choose manual transmissions, but automatic transmissions are increasingly popular because of their convenience. The automatic transmission is one…

Nov 16, 2018
Practical dustproof computer fan

Practical dustproof computer fan

The dustproof computer fan comprises a fan shell, a rotor, a stator, a fan seat, a rotating shaft and a circuit board, wherein fan blades are arranged outside the fan shell, a mirror base is arranged at the top of the fan shell, the stator is fixedly connected inside the fan shell, and the fan seat is connected at the bottom of the fan shell…

Nov 15, 2018
Taiwans Three Giant AC Cooling Fan SJ 1225

Taiwans Three Giant AC Cooling Fan SJ 1225

I am a member of Taiwans big family of three AC cooling fans.My name is SJ 1225. The following are my relevant parameters:foot inch:120 x 120 x 25 mm frame:aluminum ADC-12 bearing:oil bearing double ball bearing electric pressure:AC 110 v, 220 v, 380 v, 44…

Nov 14, 2018
Computer heat sink with hidden fan

Computer heat sink with hidden fan

This is a computer heat dissipation rack with a hidden fan, including a storage rack and a heat dissipation plate, wherein a induction lamp is arranged above the inner wall of the storage rack, the surface of one side of the storage rack is rotationally connected with a sound through a rotating shaft, and a USB interface is arranged at one side of the sound, and the storage rack…

Nov 13, 2018
Automatic regulating device for reducing noise of computer fan

Automatic regulating device for reducing noise of computer fan

This is an automatic adjusting device capable of reducing computer fan noise, which is provided with a circuit board containing a fan control circuit so that the circuit board can be vertically inserted behind a power transistor heat sink on a computer power supply and a preset thermistor is placed in…

Nov 12, 2018
Detailed Explanation of Overvoltage Protection Circuit of Computer Cooling Fan

Detailed Explanation of Overvoltage Protection Circuit of Computer Cooling Fan

For computer cooling fans, the rated voltage exists, but in practice, it cannot be fully guaranteed to work at the rated voltage, which is a range near the rated voltage and generally requires 15 %. When the voltage is higher than + 15 %, it is " overvoltage" and needs to be reminded…

Nov 09, 2018
Selection of Cooling Fan for Charging Pile

Selection of Cooling Fan for Charging Pile

With the development of new energy vehicles, the charging piles of its supporting facilities have also flourished. The charging pile functions like a tanker in a gas station, can be fixed on the ground or wall, and can be installed in public buildings, shopping malls and public parking lots…

Nov 08, 2018
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