Electronic equipment cooling liquid supply system and method based on phase change capsule heat storage temperature control

Abstract

The invention discloses an electronic equipment cooling liquid supply system and method based on phase change capsule heat storage temperature control. The liquid supply system comprises a heat exchanger, a phase change device, a liquid pump and a liquid pipeline, wherein the heat exchanger is used for realizing heat exchange between cooling liquid and cooling air, and the phase change device is used for storing heat and controlling the temperature of the cooling liquid. The liquid pump is used for providing power for cooling liquid circulation flow, and the liquid pipeline is used for communicating the liquid pump, the heat exchanger and the phase change device to form a liquid flow loop. A phase change capsule is packaged in the phase change device, and when the temperature of the cooling liquid rises to the phase change temperature of the phase change capsule, the phase change capsule absorbs heat and is converted from a solid state into a liquid state to cool the cooling liquid; and when the temperature of the cooling liquid is lower than the phase change temperature of the phase change capsule, the phase change capsule releases heat and is converted into a solid state from a liquid state. The liquid supply system can provide environment control liquid supply capacity and can adjust the temperature of supplied liquid when the temperature of cooling air is too high or no cooling air exists.

Description

Technical field[0001]The invention relates to the technical field of electronic equipment cooling, and in particular to a cooling liquid supply system and method for electronic equipment based on phase change capsule heat storage and temperature control.Background technique[0002]Cooling liquid supply system is widely used in civil and military fields, especially in the field of avionics cooling. The avionics cooling liquid supply system needs to meet the requirements of resistance to harsh environmental conditions, high-power heat dissipation, system maintenance-free and high heat exchange performance. The adaptability of the cooling system to the complex use environment is a factor that needs to be considered in system design. .[0003]Usually the avionics cooling system relies on the ram air provided by the aircraft as the cold source during flight. The use environment scenarios faced are: 1. Short-term high temperature environment brought by complex flight conditions; 2. Short-term...

AI Technical Summary

Problems solved by technology

In view of the characteristics of the above use environment scenarios, the traditional electronic equipment cooling liquid supply system has the following problems: 1. When the cooling air has a short-term high temperature under complex flight conditions, the cooling system cannot provide the cooling liquid that meets the requirements, and the electronic equipment has to withstand short-term The temperature shock brought by the high-temperature liquid supply affects the life of the equipment; 2. When the ground works for a short time, the aircraft cannot provide cooling air that meets the requirements, and the cooling system cannot work normally. It is necessary to connect special ground support equipment to dissipate heat and maintain the electronic equipment. Complicated and costly procedures

[0004] There are precedents for the application of phase-change capsules. In the patent CN106654318A, it is mainly used for heat preservation of fuel cells, which cannot achieve rapid heat dissipation in high-power heat dissipation scenarios; CN106143048B is used in bus radiation air-conditioning systems, and the functional fluid of phase-change capsules needs to be replaced regularly. The scene is limited; CN106089264B is used in the field of antifreeze and heat preservation of concrete tunnels, and is not suitable for heat dissipation of electronic equipment

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