Passive heat-pipe natural cooling air-conditioning system with auxiliary cold source in machine room, and control method thereof

Abstract

The invention relates to a passive heat-pipe natural cooling air-conditioning system with an auxiliary cold source in a machine room, and a control method thereof. A refrigeration system comprises a heat-pipe circulation system and an auxiliary cold source circulation system; the heat-pipe circulation system comprises a heat-pipe evaporator, a heat-pipe condenser connected with the heat-pipe evaporator and used for cooling a heat-pipe heat exchange medium, and a heat exchange medium pressurization unit connected with the heat-pipe evaporator and the heat-pipe condenser separately, and used forconveying the heat-pipe heat exchange medium cooled by the heat-pipe condenser to the heat-pipe evaporator; the auxiliary cold source circulation system comprises a heat exchanger used for carrying out heat exchange on the heat-pipe heat exchange medium and the auxiliary cold source, and a compressor used for compressing the auxiliary cold source; the cold source inlet of the heat exchanger is connected with the cold source outlet of the compressor, and the cold source outlet of heat exchanger is connected with cold source inlet of the compressor; and the heat exchange medium inlet of the heat exchanger is connected with the outlet of the heat-pipe condenser, and the heat exchange medium outlet of the heat exchanger is connected with the inlet of the heat exchange medium pressurization unit.

Description

technical field [0001] The invention relates to a cold source of refrigeration technology, more specifically, to a passive heat pipe natural cooling machine room air-conditioning system with an auxiliary cold source and a control method thereof. Background technique [0002] With the development of the data center industry and the increasing requirements of the national energy-saving policy, energy-saving development and high-reliability application solutions will be the first choice for green data center construction. At present, traditional cooling solutions are adopted in many data centers, such as air-cooled direct expansion type, chilled water type, and air-cooled dual cold source type. The traditional cooling solution mainly has the following deficiencies: 1. The use of natural cooling sources under low-temperature outdoor conditions is limited, and it is difficult to meet the construction requirements of green and energy-saving computer rooms; There are many safety n...

AI Technical Summary

Problems solved by technology

The traditional cooling solution mainly has the following deficiencies: 1. The use of natural cooling sources under low-temperature outdoor conditions is limited, and it is difficult to meet the construction requirements of green and energy-saving computer rooms; There are many safety nodes to control; 3. In the case of outdoor low temperature, the chilled water coil is easy to freeze and cannot carry out the risk of normal water supply circulation;

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