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Precautions for Reliability Maintenance of Summer Computer Room
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The hot summer is coming soon, and high temperatures are definitely a challenge for maintaining the computer room. The computer room environment monitoring system, as an indispensable subsystem of the computer room, plays a role in maintaining the safe operation of the computer room (functions usually include temperature alarm, smoke alarm, power outage alarm, water leakage alarm, UPS monitoring, air conditioning monitoring, air conditioning high temperature self start, etc.). The factors that affect the normal operation of the computer room in summer are as follows:
1、 High temperature
Some people may say that my computer room has air conditioning and it doesn't matter if the temperature is high, but if you really think so, you are completely wrong. The temperature is very high in summer, and the outdoor temperature can usually exceed 30 degrees. For example, in Guangzhou, the temperature often exceeds 33 degrees in summer. However, due to the large number of devices operating in the computer room, a huge amount of heat is generated. Under these conditions, the air conditioning system runs under high load almost 24 hours a day. At this time, the air conditioning system is quite fragile and there is a possibility of "strike" at any time. According to the engineers of Sibei, up to 35% of computer room accidents are caused by air conditioning failures. The response to air conditioning failures in summer is to add multiple air conditioning units and rotate them, which can greatly reduce the failure rate of air conditioning. In addition to measures to increase air conditioning units, it is also necessary to provide temperature monitoring and alarm equipment for the computer room air conditioning. Temperature monitoring and alarm equipment should have SMS and telephone notification functions, so that when the computer room air conditioning fails and the temperature is too high, temperature alarm information can be sent out in a timely manner to notify customers for handling.
2、 Power outage
This is also directly related to the previous factor - high temperature. As we all know, in summer, both offices and ordinary households need to turn on air conditioning to cool down, so there will be peak electricity consumption, and some places with insufficient power supply may even cut off power supply. During peak electricity consumption, the voltage will drop, and the power of equipment in the computer room is fixed. Under the same power conditions, the lower limit of voltage must be increased to maintain power stability. An increase in current can cause wires to heat up, or if the current exceeds the limit, it can cause switches to trip. The response to power outages is to configure the computer room with UPS uninterruptible power supply, and choose mature brands of UPS as much as possible to ensure stability and reliability. Choosing a suitable UPS is also important. It is usually necessary to evaluate the maximum power of the equipment in the computer room and leave a certain power margin. For example, if the total power of the electrical equipment in the computer room is 10KW, the maximum power of the UPS should be between 13KW-15KW (with a margin of 30% -50%). In addition to the maximum power of the UPS, another important parameter is the battery life. The ideal state is that the longer the battery life, the better, but this parameter is closely related to the price of the UPS. Long battery life means the use of more batteries, which are consumables with a service life of two or three years for short and five or six years for long. Some areas with frequent power outages or important computer rooms are equipped with diesel engines. When the UPS battery voltage is almost depleted, the diesel generator can be started, so there is no need to worry about long-term power outages. At the same time, computer room power environment monitoring systems such as power outage alarms are equipped to receive power outage alarm information in the computer room in a timely manner.
3、 Thunderstorm
There is a lot of thunder and rain in summer and rainstorm. The machine room needs to take lightning protection measures, install lightning rods, and take lightning protection and surge protection measures for power supply. Compared with thunder and lightning, the damage caused by rainstorm is greater and more common. According to Sibide's observation, in summer, we can often see the basement and garage in the south are flooded. Because many computer rooms are located in basements with low terrain, the large amount of rainwater accumulated on the ground is difficult to disperse, causing it to flow into the basement computer room or even drain into the computer room. As we all know, computer rooms are usually equipped with anti-static floors, and the bottom of the anti-static floor is used for wiring. Therefore, all kinds of wires are under the floor, and only a little water needs to be poured into the computer room to cause damage. The simplest way to prevent the harm of water immersion to equipment in the computer room is to install monitoring devices such as water immersion sensors to achieve leak detection and water immersion alarm functions. After all, we cannot control bad weather, and the renovation of the sewer network is not something that a company can control. What we can do is to detect the danger in a timely manner and then deal with it on site.
In short, the use of computer room monitoring and alarm equipment is a necessary security guarantee, which can timely detect various computer room hazards and effectively ensure the reliable operation of computer room equipment.
Connection diagram of monitoring and alarm equipment in the computer room
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