Heat pipe heat extraction system in high-radiating density machine room

Abstract

The invention provides a heat pipe heat extraction system in a high-radiating density machine room. The heat pipe heat extraction system provides heat extraction for a high-radiating density machine room required to be refrigerated all the year round. The heat pipe heat extraction system of the high-radiating density machine room comprises an indoor unit and an outdoor unit of the machine room, wherein the indoor unit and the outdoor unit are communicated through a gas pipe manifold and a liquid pipe manifold; the indoor unit comprises a plurality of heat pipe heat extraction primary subsystems; each heat pipe heat extraction primary subsystem comprises front and rear back panel heat pipe heat extraction secondary subsystems; and the outdoor unit comprises three-way valves I and II, a natural cold source primary subsystem, a water chilling unit, a water distributor, an intermediate heat exchanger primary subsystem and a water collector. The system is flexibly selected between operating modes of the rear back panel heat pipe heat extraction secondary subsystem and / or the front back panel heat pipe heat extraction secondary subsystem according to the environmental temperature control requirements of the high-radiating density machine room; and moreover, the natural cold source primary subsystem can be flexibly started according to the condition that natural environment can provide a natural cold source, and the water chilling unit is subjected to assisted or alternative refrigeration, so that the power consumption is reduced, and the energy is saved.

Description

technical field [0001] The invention relates to the field of heat removal of heat pipes in high heat dissipation density computer rooms, in particular to a heat pipe heat removal system for high heat dissipation density computer rooms that requires refrigeration throughout the year. Background technique [0002] The integration density of cabinet servers in the computer room is getting higher and higher, and the heat generated by the server is getting higher and higher. In order to ensure that the servers in the high heat dissipation density computer room work at the most suitable ambient temperature, the current heat dissipation methods of the high heat dissipation density computer room are also constantly changing. . [0003] At present, there are two main ways to dissipate heat in a computer room with high heat dissipation density: [0004] One is precise air supply from the precision air conditioner. In this way, air ducts are used in the machine room to direct the cold...

AI Technical Summary

Problems solved by technology

[0004] One is precise air supply from the precision air conditioner. In this way, air ducts are used in the machine room to direct the cold air from the precision air conditioner to the server cabinet. The main advantage is that the cold air is directly directed to the server cabinet, so that the air intake of the server in the cabinet is in an ideal low temperature state. The disadvantage is that the fan needs to use a fan with a large pressure head that can overcome the resistance of the air duct, so the power consumption of the fan is relatively large, and the power consumption of the precision air conditioner is relatively large; The uneven distribution of cooling capacity cannot effectively solve the problem of local hot spots in the computer room. On the other hand, because the air outlet of the server cabinet in the computer room is different from the return air outlet of the precision air conditioner, it is easy to cause the long-distance cabinet exhaust and return air to be unsmooth and make the local environment of the computer room Localized hot spots where the temperature is higher than the set point

[0005] One is to use a water-cooled backplane to replace the point-to-point heat removal of the front and rear door panels of the cabinets in the computer room. This heat removal method effectively solves the problem of local hot spots in the computer room. However, because the chilled water used in the water-cooled backplane is directly introduced into the computer room, the system is designed to prevent water leakage. Complicated, and the complex leak-proof design cannot prevent water from entering the computer room when the system leaks, but only sends an alarm when the water leaks, so this heat removal method has not been adopted on a large scale

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