How to choose the cooling method for the outdoor cabinet of the communication base station?
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With the intensification of competition in the communication industry, in order to reduce investment costs and operating costs, more and more operators choose outdoor communication equipment cabinets. There are many ways to cool the outdoor communication equipment cabinet. The most common ones are natural cooling, fan cooling, heat exchanger cooling and cabinet air conditioning. How to choose the cooling method of the outdoor cabinet to minimize the impact of high and low temperature environments on the equipment is a problem that operators are very concerned about.
1. Fan cooling
After testing the temperature inside the outdoor cabinet of the communication base station (external ambient temperature 35℃), from the results, the natural cooling without fans, due to solar radiation heat and the poor cooling effect of the closed system, the internal temperature of the system is high, and the average temperature is more than 10℃ higher than the ambient temperature; using fans to exhaust air, the internal air temperature of the system is reduced, and the average temperature is about 5℃ higher than the ambient temperature.
2. Cabinet air conditioner
The temperature inside the battery cabinet was tested under the air conditioning cooling mode of the communication base station outdoor cabinet (external ambient temperature 50℃). From the results, when the ambient temperature is 50℃, the average temperature of the battery surface is about 35℃, which can achieve a temperature reduction of about 15℃, with a relatively good cooling effect.
3. Heat exchanger cooling
The effect is the same as fan cooling.
The cabinet has a good sealing effect by using heat exchanger cooling and air conditioner cooling, and the protection level can reach IP55. In the case of harsh external environment, heat exchanger cooling or air conditioner cooling should be used.
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