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RU-2861403-C2 - SERVER COOLING SYSTEM

RU2861403C2RU 2861403 C2RU2861403 C2RU 2861403C2RU-2861403-C2

Abstract

FIELD: chemistry. SUBSTANCE: invention relates to server cooling systems. Before cooling the servers with a cooling liquid, a control device controls the cooling mode of the heat exchanger for the cooling liquid in accordance with the temperature difference of the cooling liquid entering and exiting the heat exchanger, thus, the cooling liquid can be cooled by a plate heat exchanger, cooled by a cooling tower, or simultaneously by a plate heat exchanger and a cooling tower, which maintains the temperature of the cooling liquid entering the server within a certain required range. EFFECT: increasing the heat dissipation efficiency of the cooling liquid. 8 cl, 4 dwg

Inventors

  • Hu, Hangkong
  • ZHU, Hongshan
  • HUANG, SHAOMING
  • ZENG, HONGBO
  • HAO, MINGLIANG
  • XIAO, SHENGQIANG
  • RUAN, Chunlang
  • ZHENG, PENGFEI
  • PENG, Yurong
  • LI, FENGJIE

Dates

Publication Date
20260505
Application Date
20230727
Priority Date
20220830

Claims (20)

  1. 1. A server cooling system (1000), wherein the server cooling system (1000) comprises:
  2. a flow divider (1020) comprising a first inlet (1021) for liquid and a plurality of first outlet openings (1022) for liquid, wherein the first outlet openings (1022) for liquid are configured to connect to the inlet openings (1011) for liquid of the server, respectively;
  3. a heat exchange device (1030) comprising a second inlet (1031) for liquid and a second outlet (1032) for liquid, wherein the second inlet (1031) for liquid is configured to be connected to the outlet (1012) for liquid of the server, and wherein the second outlet (1032) for liquid is connected to the first inlet (1021) for liquid via a pipeline;
  4. a first temperature sensor (1040) located in the pipeline between the second inlet (1031) for liquid and the outlet (1012) for liquid of the server and configured to determine the temperature of the cooling liquid entering the heat exchange device (1030);
  5. a second temperature sensor (1050) located in the pipeline between the second liquid outlet (1032) and the first liquid inlet (1021) and configured to determine the temperature of the coolant flowing out of the heat exchange device (1030);
  6. a control device (1060) connected to a first temperature sensor (1040), a second temperature sensor (1050) and a heat exchange device (1030), wherein the control device (1060) is configured to receive a temperature determined by the first temperature sensor (1040) and a temperature determined by the second temperature sensor (1050); and
  7. a circulation pump (1220) located in the pipeline between the outlet opening (1012) for the server liquid and the second inlet opening (1031) for the liquid;
  8. wherein the heat exchange device (1030) comprises:
  9. a plate heat exchanger (1033) comprising a second inlet (1031) for liquid and a second outlet (1032) for liquid;
  10. a first electric three-way valve (1034) located in the pipeline between the first temperature sensor (1040) and the second inlet (1031) for liquid;
  11. a coolant outlet pipe (1035), wherein one end of the coolant outlet pipe (1035) is connected to the liquid outlet of the first electric three-way valve (1034), and the other end of the coolant outlet pipe (1035) is connected to the pipe between the second liquid outlet (1032) and the second temperature sensor (1050);
  12. wherein the control device (1060) is configured to control the opening of the first electric three-way valve (1034) in accordance with the temperature determined by the first temperature sensor (1040) and the temperature determined by the second temperature sensor (1050);
  13. wherein the heat exchange device (1030) comprises:
  14. a tower cooler (1036) comprising a fan, a control device (1060) configured to control the rotation speed of the fan of the tower cooler (1036) in accordance with the temperature detected by the first temperature sensor (1040) and the temperature detected by the second temperature sensor (1050);
  15. wherein the control device (1060) is further configured to control the cooling mode of the heat exchange device (1030) for cooling the coolant in accordance with the temperature difference between the temperature detected by the first temperature sensor (1040) and the temperature detected by the second temperature sensor (1050), and wherein the cooling mode includes cooling by a plate heat exchanger (1033), cooling by a tower cooler (1036) and simultaneous cooling by the plate heat exchanger (1033) and the tower cooler (1036);
  16. wherein the server cooling system (1000) additionally comprises:
  17. a third electric three-way valve (1250), wherein the liquid inlet of the third electric three-way valve (1250) is connected to the circulation pump (1220) via a pipeline, wherein one liquid outlet of the third electric three-way valve (1250) is connected to the liquid inlet of the first electric three-way valve (1034) via a pipeline, and the other liquid outlet of the third electric three-way valve (1250) is connected to the second liquid inlet (1031) of the tower cooler (1036) via a pipeline.
  18. 2. The system (1000) according to paragraph 1, characterized in that the server cooling system (1000) additionally comprises:
  19. a pipeline (1070) for adding liquid, comprising a liquid make-up pump (1071), an external interface (1072) and a pipeline (1073) for connecting the liquid make-up pump (1071) and the external interface (1072), wherein the pipeline (1070) for adding liquid is configured to add cooling liquid to the server cooling system (1000);
  20. a container (1080) for a coolant, comprising a first port (1081) for filling the liquid and a port (1082) for draining the liquid, wherein the first port (1081) for filling the liquid communicates with a pipeline (1078) at the liquid drain end of the liquid make-up pump (1071) via a first pipeline (1090), and the port (1082) for draining the liquid communicates with a pipeline (1077) between the end of the liquid inlet of the liquid make-up pump (1071) and the external interface (1072) via a second pipeline (1110);

Description

This application claims priority to Chinese Patent Application No. 202222298236.0, filed with the National Intellectual Property Administration of China on August 30, 2022, entitled "Server Cooling System", which is hereby incorporated herein by reference in its entirety. Field of technology The present application relates to the field of technology concerning heat removal from a server and, in particular, to a server cooling system. Background of the invention During operation, a server generates a large amount of heat. It must be able to dissipate heat to ensure proper operation. The inventors discovered that current server designs are dispersed, requiring heat dissipation for each server separately. This leads to high production costs, a heavy maintenance workload, and high energy consumption of the server cooling system. The essence of the invention Embodiments of the present application provide a server cooling system that addresses the high production costs, heavy maintenance workload, and high power consumption of existing server cooling systems. A first aspect of the present invention provides a server cooling system, wherein the server cooling system comprises: a flow divider comprising a first liquid inlet and a plurality of first liquid outlets, wherein the first liquid outlets are configured to connect to the liquid inlet openings of the server, respectively; a heat exchange device comprising a second liquid inlet and a second liquid outlet, wherein the second liquid inlet is configured to be connected to the liquid outlet of the server, and the second liquid outlet is connected to the first liquid inlet via a pipeline; a first temperature sensor located in the pipeline between the second liquid inlet and the liquid outlet of the server and configured to determine the temperature of the coolant entering the heat exchange device; a second temperature sensor located in the pipeline between the second liquid outlet and the first liquid inlet and configured to determine the temperature of the coolant flowing out of the heat exchange device; a control device connected to the first temperature sensor, the second temperature sensor and the heat exchange device, wherein the control device is configured to receive the temperature determined by the first temperature sensor and the temperature determined by the second temperature sensor; and a circulation pump located in the pipeline between the server's liquid outlet and the second liquid inlet; in this case, the heat exchange device contains: a plate heat exchanger comprising a second liquid inlet and a second liquid outlet; a first electric three-way valve located in the pipeline between the first temperature sensor and the second liquid inlet; a coolant outlet pipe, wherein one end of the coolant outlet pipe is connected to the liquid outlet of the first electric three-way valve, and the other end of the coolant outlet pipe is connected to the pipe between the second liquid outlet and the second temperature sensor; where the control device is configured to control the opening of the first electric three-way valve in accordance with the temperature detected by the first temperature sensor and the temperature detected by the second temperature sensor; in this case, the heat exchange device contains: a cooling tower comprising a fan, a control device configured to control the rotation speed of the fan of the cooling tower in accordance with a temperature detected by a first temperature sensor and a temperature detected by a second temperature sensor; wherein the control device is further configured to control the cooling mode of the heat exchange device for cooling the cooling liquid in accordance with the temperature difference between the temperature detected by the first temperature sensor and the temperature detected by the second temperature sensor, and wherein the cooling mode includes cooling by a plate heat exchanger, cooling by a tower cooler and simultaneous cooling by a plate heat exchanger and a tower cooler; In this case, the server cooling system additionally contains: a third electric three-way valve, wherein the liquid inlet of the third electric three-way valve is connected to the circulation pump via a pipeline, wherein one liquid outlet of the third electric three-way valve is connected to the liquid inlet of the first electric three-way valve via a pipeline, and the other liquid outlet of the third electric three-way valve is connected to the second liquid inlet of the cooling tower via a pipeline. In a preferred embodiment, the server cooling system further comprises: a liquid addition pipeline comprising a liquid make-up pump, an external interface and a pipeline for connecting the liquid make-up pump and the external interface, wherein the liquid addition pipeline is configured to add coolant to the server cooling system; a coolant container comprising a first liquid filling port and a liquid drain port, wherein the first liquid fil