Server cooling system and a degassing apparatus and a cooling distribution unit thereof

Abstract

A server cooling system and its degassing device and working fluid distribution unit are disclosed. The server cooling system includes a liquid cooling device and a degassing device. The degassing device includes a heater, a radiator, and a liquid-gas separator. The heater is connected to the radiator, and the liquid-gas separator is connected to the radiator and the liquid cooling device. The working fluid distribution unit includes a heat exchanger, a working fluid reservoir connected to the heat exchanger, a fluid propeller connected to the working fluid reservoir, a heater connected to the fluid propeller, a radiator connected to the heater, a liquid-gas separator connected to the radiator, and a filter connected to the liquid-gas separator.

Claims

1. A server cooling system, comprising: A liquid cooling device; And a degassing device, comprising: a heater; a radiator connected to the heater; and a liquid-gas separator connected to the radiator and the liquid cooling device.

2. The server cooling system as described in claim 1, wherein, The heater is configured to heat a working fluid to output a heated fluid, the heated fluid having a first temperature higher than a working temperature of the working fluid; the radiator is configured to condense the heated fluid to output a cooled fluid, the cooled fluid having a second temperature lower than the working temperature; and the liquid-gas separator is configured to perform liquid-gas separation on the cooled fluid to output a degassed fluid and a gas, the liquid-gas separator outputting the degassed fluid to the liquid cooling device.

3. The server cooling system as described in claim 2, wherein the first temperature is about 2°C to 10°C higher than the operating temperature, and the second temperature is about 1°C to 5°C lower than the operating temperature.

4. The server cooling system as described in claim 2, wherein the liquid-gas separator comprises: A spiral guide plate is configured to generate a spiral centrifugal motion of the heat dissipation fluid to separate the heat dissipation fluid into the gas and the degassing fluid; a gas check valve is configured to output the gas separated from the heat dissipation fluid; and a liquid separator is configured to separate the degassing fluid and the gas.

5. The server cooling system as claimed in claim 2, wherein the liquid cooling device is configured with a plurality of working units, each working unit having a housing configured to house at least one heat-dissipating element; the liquid cooling device further includes at least one cold plate configured to be thermally coupled to the at least one heat-dissipating element; the degassing device further includes a fluid thruster and a filter, the fluid thruster drawing out the working fluid within the at least one cold plate to output a propelled fluid; the heater heating the propelled fluid to output the heated fluid; and the filter filtering the degassing fluid to output a filtered fluid to the at least one cold plate.

6. The server cooling system as claimed in claim 2, wherein the liquid cooling device is configured with a plurality of working units, each working unit having a hermetically sealed enclosure configured to house at least one heat-dissipating element; the liquid cooling device further includes at least one boiling aid module configured to thermally couple with the at least one heat-dissipating element; the degassing device further includes a fluid thruster and a filter, the fluid thruster drawing out the working fluid from the hermetically sealed enclosure of each working unit to output a propelled fluid; the heater heating the propelled fluid to output the heated fluid; and the filter filtering the degassing fluid to output a filtered fluid to the hermetically sealed enclosure.

7. The server cooling system as described in claim 1, wherein the liquid cooling device comprises: An immersion cooling chamber is configured to contain a working fluid and at least one electronic device at least partially immersed in the working fluid. The immersion cooling chamber has a liquid phase space and a gas phase space, the liquid phase space being connected to a liquid-gas separator; and a pressure balancing device connected to the gas phase space and configured to maintain a pressure in the immersion cooling chamber within a predetermined pressure range.

8. The server cooling system as claimed in claim 7, wherein the total volume of the gas phase space and the liquid phase space is a first volume, and the pressure balancing device has a gas volume that is 1% to 30% of the first volume.

9. The server cooling system as described in claim 7, further comprising: A fluid thruster is configured to extract the working fluid from the immersion cooling tank to output a propelled fluid; A filter is configured to filter the propelled fluid to output a filtered fluid; a heater receives and heats the filtered fluid to output a heated fluid having a first temperature higher than the operating temperature of the working fluid; a radiator condenses the heated fluid to output a cooling fluid; a liquid-gas separator separates the cooling fluid into a degassed fluid and a gas, and the liquid-gas separator outputs the degassed fluid to the immersion cooling tank.

10. The server cooling system as described in claim 1, further comprising a working fluid storage tank, wherein the degassing device further comprises: A fluid thruster is connected to the working fluid storage tank; And a filter connected to the liquid-gas separator.

11. The server cooling system of claim 10, wherein the working fluid reservoir is configured to store a working fluid; the fluid thruster is configured to draw the working fluid from the working fluid reservoir to output a propelled fluid; the heater receives and heats the propelled fluid to output a heated fluid having a first temperature higher than an operating temperature of the working fluid; the radiator condenses the heated fluid to output a cooling fluid having a second temperature lower than the operating temperature; the liquid-gas separator performs liquid-gas separation on the cooling fluid to output a degassed fluid and a gas, respectively; and the filter is configured to filter the degassed fluid to output a filtered fluid to the liquid cooling device.

12. The server cooling system as described in claim 1, further comprising a working fluid distribution unit, the working fluid distribution unit including: A heat exchanger connected to the liquid cooling device; a working fluid reservoir connected to the heat exchanger; and a fluid propulsion unit connected to the working fluid reservoir and the heater.

13. The server cooling system as claimed in claim 12 further includes a server cabinet including a branch inlet pipe and a branch outlet pipe, the branch inlet pipe having a branch inlet and the branch outlet pipe having a branch outlet; wherein the working fluid distribution unit is connected to the branch outlet pipe and is configured to receive and output a working fluid; a heater configured to heat the working fluid output from the working fluid distribution unit to output a heated fluid, the heated fluid having a first temperature higher than an operating temperature of the working fluid; a radiator configured to condense the heated fluid to output a cooled fluid, the cooled fluid having a second temperature lower than the operating temperature; and a liquid-gas separator configured to perform liquid-gas separation on the cooled fluid to output a degassed fluid and a gas, the liquid-gas separator outputting the degassed fluid to the branch inlet pipe.

14. The server cooling system as claimed in claim 13, wherein the heat exchanger performs heat exchange on the working fluid output from the server rack and outputs a degassed fluid to the working fluid reservoir; the fluid thruster extracts the degassed fluid from the working fluid reservoir to output a propelled fluid, wherein the heater heats the propelled fluid to output the heated fluid.

15. The server cooling system as described in claim 14, wherein the degassing device further comprises: A filter is configured to filter the degassing fluid to output a filtered fluid to the manifold inlet.

16. The server cooling system as claimed in claim 13, wherein the degassing device has a housing, one of the housings having a width of 19 inches or 23 inches, and one of the housings having a height that is a positive integer multiple of 1.75 inches, the housing being disposed in the server rack.

17. A working fluid distribution unit, comprising: A heat exchanger; A working fluid reservoir connected to the heat exchanger; a fluid propulsion unit connected to the working fluid reservoir; A heater connected to the fluid propulsion unit; a radiator connected to the heater; a liquid-gas separator connected to the radiator; and a filter connected to the liquid-gas separator.

18. The working fluid distribution unit as described in claim 17, wherein, The heat exchanger is configured to exchange heat with a working fluid to output a degassed fluid; the working fluid reservoir is configured to store the degassed fluid; the fluid propeller is configured to extract the degassed fluid from the working fluid reservoir to output a propelled fluid; the heater is configured to heat the propelled fluid to output a heated fluid having a first temperature higher than a working temperature of the working fluid; the radiator is configured to condense the heated fluid to output a cooling fluid having a second temperature lower than the working temperature; and the liquid-gas separator is configured to perform liquid-gas separation on the cooling fluid to output a degassed fluid and a gas respectively, the liquid-gas separator outputting the degassed fluid to a liquid cooling device.

19. The working fluid distribution unit as claimed in claim 18, wherein the liquid-gas separator comprises: A spiral guide plate is configured to generate a spiral centrifugal motion of the heat dissipation fluid to separate the heat dissipation fluid into the gas and the degassing fluid; a gas check valve is configured to output the gas separated from the heat dissipation fluid; and a liquid separator is configured to separate the degassing fluid and the gas.

20. The working fluid distribution unit as claimed in claim 17 further includes a housing in which the heat exchanger, the working fluid reservoir, the fluid propulsion unit, the heater, the radiator, the liquid-gas separator, and the filter are housed, wherein one width of the housing is 19 inches or 23 inches and one height of the housing is a positive integer multiple of 1.75 inches.

21. A degassing device, comprising: A heater configured to heat a working fluid to output a heated fluid having a first temperature higher than a working temperature of the working fluid; a radiator configured to condense the heated fluid to output a cooled fluid having a second temperature lower than the working temperature; and a liquid-gas separator configured to perform liquid-gas separation on the cooled fluid to output a degassed fluid and a gas, respectively.

22. The degassing device as described in claim 21 further comprises: A fluid thruster is configured to propel the working fluid to the heater.

23. The degassing device as described in claim 22 further comprises: A filter is configured to filter a propelled fluid output from the fluid thruster and output a filtered fluid, wherein the heater heats the filtered fluid to output the heated fluid.

24. The degassing device as described in claim 21 further comprises: A filter is configured to filter the degassed fluid before output.

25. The degassing device as described in claim 21, further comprising: A housing, in which the heater, the radiator and the liquid-gas separator are housed, wherein one side of the housing has a width of 19 inches or 23 inches and one side of the housing has a height that is a positive integer multiple of 1.75 inches.

26. The degassing apparatus as claimed in claim 21, wherein the liquid-gas separator comprises: A spiral guide plate is configured to generate a spiral centrifugal motion of the heat dissipation fluid to separate the heat dissipation fluid into the gas and the degassing fluid; a gas check valve is configured to output the gas separated from the heat dissipation fluid; and a liquid separator is configured to separate the degassing fluid and the gas.

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