At the beginning of the article, let’s talk about the liquid cooling, the effect of liquid cooling, the application of liquid cooling servers, and how to alarm when liquid leakage occurs. First of all, what is liquid cooling? The so-called liquid cooling refers to the use of a certain liquid, such as water, fluorinated liquid, or a special non-conductive oil, to replace air, which is generated by CPU, memory sticks, chipsets, expansion cards and other devices during operation. The heat is taken away.
The effect of liquid cooling: The liquid cooling system uses a pump to circulate the coolant in the heat pipe and dissipate heat. The biggest advantage of liquid cooling is that heat can be transferred to the radiator without increasing the temperature inside the fuselage, instead of using liquid to cool computer accessories.
Another very important advantage of liquid cooling is that the liquid has a large heat capacity and a slow temperature rise, which is beneficial to the computer to ensure that the CPU will not be burned down instantly in the event of an emergency.
Application of liquid-cooled servers: With the rapid development of large data centers such as cloud computing, the rise of machine learning has led to higher and higher power densities in data centers. In data centers where a large number of servers are deployed, the power density of each rack The power density has reached 30kW to 50kW, which has prompted some data center operators to switch to liquid cooling instead of air cooling technology.
When the traditional air-cooling technology is difficult to meet, even when the air conditioner is running at full speed and cannot effectively dissipate heat, this heralds the arrival of the liquid-cooling era. Liquid cooling has also differentiated into two forms-cold plate and immersion.
As mentioned above, liquid-cooled servers will slowly enter people’s sights with their good heat dissipation performance. The server failures caused by liquid-cooled systems are extremely low, which is even worse than traditional air-cooling.
The only risk to worry about is how to prevent water/leakage, because once the coolant leaks, it is likely to cause short circuit or damage to the equipment.
So how to realize the water/leakage alarm?
The best solution is to lay XW1100C along the water pipe near the liquid cooling head of the server. This leakage alarm sensor line is the thinnest leakage detection rope in the industry, with a diameter of only 1.5mm. With super water absorption, 1ML water volume can alarm.
When there is water leakage in the first time, the alarm signal or the alarm phone SMS will be sent out to notify the staff to come to deal with it and no longer worry about the downtime risk caused by liquid cooling water leakage.
It adopts a woven sheath layer, which is suitable for leak detection in a highly clean environment. The maximum working temperature can reach 160℃, and it can also be used in special fields such as military industry and automobiles.
Xiangwei’s liquid-cooled server leak alarm sensor line XW1100C is a safety accessory for liquid-cooled servers independently developed by Xiangwei. With a leakage controller, it can send out an alarm signal in a short period of time for liquid cooling. The server and the data center room where it is located improve safety and reliability!
Wire harness and the surrounding parts shall be even and sufficient distance shall be kept from the heat source,
Considering the protection against electromagnetic interferencee,
Consider assembly technology, maintenance technology,
Grounding wire layout,
Heat dissipation of wire harness and fuse box
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